CN115297415A

CN115297415A - Loudspeaker and damper and application thereof

Info

Publication number: CN115297415A
Application number: CN202210941146.0A
Authority: CN
Inventors: 黄新民
Original assignee: Tang Band Industries Co Ltd
Current assignee: Tang Band Industries Co Ltd
Priority date: 2017-12-31
Filing date: 2017-12-31
Publication date: 2022-11-04
Also published as: CN109996155A

Abstract

The invention discloses a loudspeaker and an elastic wave and application thereof, wherein the elastic wave comprises an elastic wave inner part, an elastic wave outer part and at least two extension arms, and the elastic wave is provided with at least two communicating channels, wherein each extension arm respectively extends between the elastic wave inner part and the elastic wave outer part at intervals in a mode that the inner side of the extension arm of each extension arm is integrally formed in the elastic wave inner part and the outer side of the extension arm of each extension arm is integrally formed in the elastic wave outer part, so that one communicating channel is formed among the elastic wave inner part, the elastic wave outer part and the adjacent extension arms. When the damper is pulled by a voice coil of the loudspeaker to deform upwards or downwards, the damper allows air on the upper part and air on the lower part of the damper to communicate with each other through each communication channel, so that the wind resistance of the damper is reduced, and the efficiency of the loudspeaker is improved.

Description

Loudspeaker and damper and application thereof

Technical Field

The invention relates to the field of sound, in particular to a loudspeaker, and an elastic wave and application thereof.

Background

A speaker is an electro-acoustic conversion device that can reproduce a sound associated with an audio signal in such a manner as to convert the audio signal into an electric signal. Fig. 1A to 1C show a speaker of the prior art, wherein the speaker includes a drum 10P, a suspension 20P, a frame 30P, a voice coil 40P, a magnetic return system 50P, and an integral damper 60P, wherein the frame 30P has a central through hole 31P, the drum 10P is located in the central through hole 31P of the frame 30P, and the inner side and the outer side of the suspension 20P are respectively disposed on the drum 10P and the frame 30P, so as to hold the drum 10P in the central through hole 31P of the frame 30P by the suspension 20P. The voice coil 40P, the magneto-rheological system 50P, and the integral damper 60P are held inside the frame 30P, respectively, and one end portion of the voice coil 40P is provided to the drum paper 10P, the other end portion of the voice coil 40P is coupled to the magneto-rheological system 50P, and the inner side and the outer side of the integral damper 60P are provided to the voice coil 40P and the frame 30P, respectively. When the speaker responds to the input of the audio signal, the magnetic return system 50P can generate an electromagnetic driving force to drive the voice coil 40P to move up and down, so that the voice coil 40P drives the drum paper 10P to synchronously vibrate up and down, and the air is blown by the drum paper 10P to generate sound. In this process, the hanging edge 20P is used to control the stroke of the paper 10P, for example, when the paper 10P is driven by the voice coil 40P to vibrate in the direction of the upper portion shown in fig. 1B, the hanging edge 20P can limit the maximum distance that the paper 10P vibrates upward, and the paper 10P has a tendency to vibrate downward during the upward vibration of the paper 10P driven by the voice coil 40P, and accordingly, when the paper 10P is driven by the voice coil 40P to vibrate in the reverse direction toward the lower portion shown in fig. 1C, the hanging edge 20P can limit the maximum distance that the paper 10P vibrates downward, and the paper 10P has a tendency to vibrate upward during the downward vibration of the paper 10P driven by the voice coil 40P. It should be understood by those skilled in the art that the speaker can generate a better sound quality only if the drum paper 10P is vibrated back and forth along the axial direction of the speaker (for example, the up-down direction shown in fig. 1B and 1C), and the vibration of the drum paper 10P is realized by the movement of the voice coil 40P, that is, the moving direction of the voice coil 40P determines the vibration direction of the drum paper 10P, so that, in order to make the drum paper 10P vibrate back and forth along the axial direction of the speaker, the moving direction of the voice coil 40P needs to be limited to the axial direction of the speaker, which needs to be realized by the integral damper 60P provided between the voice coil 40P and the frame 30P. That is, when the voice coil 40P is driven by the magnet return system 50P to move up and down, the overall damper 60P restricts the moving direction of the voice coil 40P to vibrating back and forth only in the axial direction of the speaker. For example, in the schematic diagrams shown in fig. 1B and 1C, if the voice coil 40P deflects to the left as shown in fig. 1B and 1C during the driving of the voice coil 40P by the magneto-return system 50P, the portion of the overall damper 60P on the left as shown in fig. 1B and 1C will abut against the voice coil 40P, and the portion of the overall damper 60P on the right as shown in fig. 1B and 1C will pull the voice coil 40P to prevent the voice coil 40P from deflecting to the left as shown in fig. 1B and 1C. Accordingly, if the voice coil 40P deflects to the right in fig. 1B and 1C, the portion of the overall damper 60P on the right in fig. 1B and 1C will abut against the voice coil 40P, and the portion of the overall damper 60P on the left in fig. 1B and 1C will pull the voice coil 40P to prevent the voice coil 40P from deflecting to the right in fig. 1B and 1C.

However, the overall damper 60P of the prior art speaker still has a number of drawbacks. The integral damper 60P of the speaker of the prior art is an integral whole, wherein the integral damper 60P is disposed between the voice coil 40P and the frame 30P in such a manner as to surround the voice coil 40P. Referring to fig. 1B, when the voice coil 40P is driven by the magneto-rheological system 50P to move upward, the integral damper 60P is pulled by the voice coil 40P to deform upward; referring to fig. 1C, when the voice coil 40P is driven by the gyromagnetic system 50P to move downward, the integral damper 60P is pulled by the voice coil 40P to deform downward. First, since the integral damper 60P is an integral body, the deformation resistance in the thickness direction of the integral damper 60P is relatively strong, and therefore, when the voice coil 40P pulls the integral damper 60P to deform, a large deformation resistance of the integral damper 60P needs to be overcome, which results in a large power of the magneto-rheological system 50P, otherwise, the electromagnetic driving force generated by the magneto-rheological system 50P cannot smoothly drive the voice coil 40P to move up and down along the axial direction of the speaker, thereby resulting in a low efficiency of the speaker. In addition, since the integral damper 60P is an integral whole, the integral damper 60P has a larger resistance surface, during the process that the voice coil 40P pulls the integral damper 60P to move up and down along the axial direction of the speaker, the integral damper 60P generates a larger wind resistance because of the larger resistance surface, and in order to overcome the larger wind resistance generated by the integral damper 60P, the power of the magnetic return system 50P is also required to be larger. In addition, the overall damper 60P creates a large wind resistance, which also results in poor efficiency of the speaker. The high power of the magnetic return system 50P not only increases the cost of the speaker of the prior art, but also results in a large volume of the speaker of the prior art, which makes the speaker of the prior art unable to be applied to slim electronic devices. However, since the miniaturization of the speaker is an inevitable trend of the development of electronic devices, it is an urgent need in the art to solve the problem of how to miniaturize the speaker while ensuring the sound quality.

Disclosure of Invention

An object of the present invention is to provide a speaker, and an elastic wave and an application thereof, wherein the speaker is particularly suitable for being applied to electronic devices in which lightness and thinness are sought.

An object of the present invention is to provide a speaker, and an acoustic wave and application thereof, in which the size of the speaker can be reduced to facilitate miniaturization of the speaker, thereby making the speaker particularly suitable for being applied to a slimmed electronic device.

It is an object of the present invention to provide a speaker, and damper and application thereof, wherein the speaker has a higher efficiency, which is advantageous for the speaker to provide a better sound quality.

An object of the present invention is to provide a speaker, and an elastic wave and an application thereof, wherein the speaker provides an elastic wave, a deformation resistance of the elastic wave is reduced in a thickness direction of the elastic wave, and the elastic wave has a better elastic recovery capability, so that a low-power magnetic return system can be configured for the speaker, in such a manner that not only a manufacturing cost of the speaker can be reduced, but also a size of the speaker can be reduced to facilitate miniaturization of the speaker.

An object of the present invention is to provide a speaker, and an damper and an application thereof, in which the weight of the damper can be reduced, so that a low-power magnetic return system can be provided for the speaker, and in this way, not only the manufacturing cost of the speaker can be reduced, but also the size of the speaker can be reduced to facilitate the miniaturization of the speaker.

An object of the present invention is to provide a speaker, and an elastic wave and an application thereof, in which the wind resistance is smaller when the elastic wave is pulled to deform, so that a low-power magnetic return system can be provided for the speaker, and in this way, not only the manufacturing cost of the speaker can be reduced, but also the size of the speaker can be reduced, so as to contribute to the miniaturization of the speaker.

An object of the present invention is to provide a speaker, an elastic wave and an application thereof, wherein air on both sides of the elastic wave can be uniformly compressed when the elastic wave is pulled to deform, so as to avoid the undesirable phenomenon of harmonic distortion caused by uneven compressed air, thereby being beneficial to further improving the sound quality of the speaker.

An object of the present invention is to provide a speaker, and a damper and an application thereof, in which air at an upper portion and air at a lower portion of the damper are allowed to communicate with each other when the damper is pulled to be deformed, to reduce wind resistance, and in this way, to contribute to an improvement in efficiency of the speaker.

An object of the present invention is to provide a speaker, and an elastic wave and applications thereof, wherein the elastic wave includes at least two extension arms and at least two communicating channels, wherein the inner side of each extension arm and the outer side of each extension arm are respectively disposed on a voice coil and a frame of the speaker, in such a manner that not only the gravity of the elastic wave can be reduced, but also the elastic recovery capability of the elastic wave can be improved while the deformation resistance capability of the elastic wave is reduced.

An object of the present invention is to provide a speaker, a damper and an application thereof, wherein the damper further includes a damper inner portion and a damper outer portion, an inner side of an extension arm of each extension arm and an outer side of the extension arm are respectively connected to the damper inner portion and the damper outer portion, and by the manner that the damper inner portion of the damper is disposed on the voice coil and the spring outer portion is disposed on the frame, the uniformity of any two adjacent extension arms can be further improved, thereby improving the product yield of the speaker and improving the sound quality of the speaker.

An object of the present invention is to provide a speaker, and an elastic wave and an application thereof, wherein the elastic wave inside, the elastic wave outside and each extension arm of the elastic wave are integrally formed, and in this way, the consistency of the elastic wave can be further ensured, thereby being beneficial to improving the product yield of the speaker and improving the sound quality of the speaker.

According to one aspect of the present invention, there is provided a speaker, comprising:

a vibrating element;

a magnetic return system;

a frame assembly;

a flexible suspension, wherein said flexible suspension is attached to said vibratory element and said frame assembly;

a voice coil, wherein said voice coil is connected to said vibrating element, and said voice coil is coupled to said magneto-rheological system; and

an elastic wave, wherein the elastic wave comprises at least two extension arms and at least two communication channels, wherein each extension arm is respectively arranged on the voice coil and the frame, and one communication channel is formed between two adjacent extension arms.

According to an embodiment of the present invention, each of the extension arms has an extension arm inner side and an extension arm outer side corresponding to the extension arm inner side, wherein each of the extension arms is respectively disposed on the voice coil in a manner that the extension arm inner side is attached to the voice coil, and each of the extension arms is respectively disposed on the frame assembly in a manner that the extension arm outer side is attached to the frame assembly.

According to an embodiment of the present invention, the damper further includes a damper inner portion and a damper outer portion, wherein each of the extension arms extends between the damper inner portion and the damper outer portion in a manner that an extension arm inner side of each of the extension arms is integrally formed in the damper inner portion and an extension arm outer side of each of the extension arms is integrally formed in the damper outer portion, respectively, wherein each of the extension arms is disposed at the voice coil in a manner that the damper inner portion is disposed at the voice coil, and each of the extension arms is disposed at the frame in a manner that the damper outer portion is disposed at the frame, respectively.

According to one embodiment of the present invention, the frame assembly includes a first frame and a second frame mounted to the first frame, wherein the resilient suspension is attached to the first frame and the damper exterior of the damper is disposed on the second frame.

According to an embodiment of the invention, the elastic suspension edge has an inner suspension edge side and an outer suspension edge side corresponding to the inner suspension edge side, wherein the inner suspension edge side of the elastic suspension edge is attached to the vibration element, and the outer suspension edge side of the elastic suspension edge is attached to the first frame.

According to an embodiment of the present invention, the elastic suspension edge has a suspension edge inner side and a suspension edge outer side corresponding to the suspension edge inner side, wherein the suspension edge inner side of the elastic suspension edge is integrally formed with the vibration element, and the suspension edge outer side of the elastic suspension edge is integrally formed with the first frame.

According to one embodiment of the present invention, the distance between any adjacent ones of the extension arms of the bullet wave is equal.

According to one embodiment of the invention, the width dimension of the outside of the extension arm is greater than or equal to the width dimension of the inside of the extension arm.

According to one embodiment of the invention, the number of extension arms of the elastic wave is selected from: two, three, four, five and six.

According to one embodiment of the invention, the extension arm of the bullet wave has a wave-shaped cross section.

According to an embodiment of the present invention, a cross section of the extension arm of the bullet wave has a plurality of peaks and a plurality of valleys, wherein a distance between any two adjacent peaks is equal, and a distance between any two adjacent valleys is equal.

According to an embodiment of the present invention, a cross section of the extension arm of the elastic wave has a plurality of wave crests and a plurality of wave troughs, wherein a distance between any two adjacent wave crests gradually decreases from an outer side of the extension arm to an inner side of the extension arm, and a distance between any two adjacent wave troughs gradually decreases from an outer side of the extension arm to an inner side of the extension arm.

According to one embodiment of the invention, the material of the elastic wave is cloth.

According to another aspect of the present invention, there is further provided an elastic wave including an elastic wave interior, an elastic wave exterior and at least two extension arms, and the elastic wave has at least two communicating channels, wherein each of the extension arms extends between the elastic wave interior and the elastic wave exterior in such a manner that an inner side of the extension arm of each of the extension arms is integrally formed in the elastic wave interior and an outer side of the extension arm of each of the extension arms is integrally formed in the elastic wave exterior, respectively, thereby forming one of the communicating channels between the elastic wave interior, the elastic wave exterior and the adjacent extension arm.

According to one embodiment of the present invention, the distance between any adjacent ones of the extension arms of the elastic wave is equal.

According to one embodiment of the invention, the extension arm of the bullet wave has a wave-shaped cross-section.

According to one embodiment of the present invention, the extension arm of the elastic wave has a cross section having a plurality of peaks and a plurality of valleys, wherein a distance between any two adjacent peaks is equal and a distance between any two adjacent valleys is equal.

According to an embodiment of the present invention, a cross section of the extension arm of the elastic wave has a plurality of wave crests and a plurality of wave troughs, wherein a distance between any two adjacent wave crests gradually decreases from an outer side of the extension arm to an inner side of the extension arm, and a distance between any two adjacent wave troughs gradually decreases from an outer side of the extension arm to the inner side of the extension arm.

According to another aspect of the present invention, the present invention further provides an audio effect reproducing method for a speaker, wherein the audio effect reproducing method comprises the steps of:

(a) When a magnetic return system drives a voice coil to move up and down along the axial direction of the loudspeaker to pull an elastic wave to synchronously deform, allowing the air at the upper part and the air at the lower part of the elastic wave to mutually communicate through at least two communication channels of the elastic wave; and

(b) The voice coil drives a vibration element to reciprocate along the axial direction of the speaker synchronously, thereby reproducing the sound effect.

According to an embodiment of the present invention, a distance between any two adjacent communication channels of the elastic wave is equal.

According to one embodiment of the invention, the number of said communication channels of said elastic wave is selected from: two, three, four, five and six.

According to another aspect of the present invention, the present invention further provides a method for manufacturing an elastic wave, wherein the method comprises the steps of:

(A) Providing a wave forming substrate with at least two notches; and

(B) Suppressing the bullet ripples shaping substrate to make bullet ripples shaping substrate form one and play ripples inside, play ripples outside and two at least extension arms, wherein every extension arm respectively each other interval ground play the ripples inside with play ripples outside between extend, and play ripples shaping substrate every the breach respectively play ripples inside, play ripples outside and adjacent form a intercommunication passageway between the extension arm, in order to make play ripples.

According to an embodiment of the present invention, in the step (a), the notch of the bullet wave shaped base material is formed in such a manner that the bullet wave shaped base material is cut at a predetermined position of the bullet wave shaped base material.

According to one embodiment of the present invention, in the step (B), the undulation forming base material is pressed in a hot press process.

Drawings

Fig. 1A is an exploded schematic view of a prior art speaker.

Fig. 1B and 1C are schematic cross-sectional views of a speaker of the related art.

Fig. 2 is a perspective view of a speaker according to a preferred embodiment of the invention.

Fig. 3 is an exploded view of the speaker according to the above preferred embodiment of the present invention.

Fig. 4 is a schematic view of the internal structure of the speaker according to the above preferred embodiment of the present invention, which is cut along the middle position.

Fig. 5 is an exploded view of a speaker according to a variation of the above preferred embodiment of the present invention.

Fig. 6 is a schematic view of the internal structure of the speaker according to the above preferred embodiment of the present invention, which is cut along the middle position.

Fig. 7 is a perspective view of an elastic wave of the speaker according to the above preferred embodiment of the present invention.

Fig. 8A is a schematic diagram of the internal structure of the loudspeaker according to the above preferred embodiment of the present invention, wherein the damper is cut along the middle position.

Fig. 8B is a schematic diagram of an internal structure of the loudspeaker according to the above preferred embodiment of the present invention, in which an elastic wave is cut along a middle position.

Fig. 9A and 9B are schematic cross-sectional views of the speaker according to the above preferred embodiment of the present invention.

Fig. 10A and 10B are perspective views of an elastic wave of a variant embodiment of the speaker according to the above preferred embodiment of the present invention.

Fig. 11 is a schematic diagram of one of the manufacturing processes of the damper of the speaker according to the above preferred embodiment of the present invention.

Fig. 12 is a schematic diagram of a second manufacturing process of the damper of the speaker according to the above preferred embodiment of the present invention.

Detailed Description

The technical scheme of the invention is specifically as follows according to the contents disclosed in the claims and the specification of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 2 to 4 of the drawings accompanying the present specification, a speaker according to a preferred embodiment of the present invention is disclosed and described in the following description, wherein the speaker includes a frame assembly 10, a suspension 20, a vibration element 30, a voice coil 40, a magnetic return system 50 and a damper 60.

The frame assembly 10 has a central through hole 101, wherein the elastic suspension edge 20 has an inner suspension edge 21 and an outer suspension edge 22 corresponding to the inner suspension edge 21, and the inner suspension edge 21 and the outer suspension edge 22 of the elastic suspension edge 20 are respectively disposed on the vibrating element 30 and the frame assembly 10, so as to hold the vibrating element 30 in the central through hole 101 of the frame assembly 10 by the elastic suspension edge 20. The voice coil 40, the magneto-rheological system 50 and the damper 60 are respectively disposed inside the frame assembly 10, and the voice coil 40 has a high end portion 41 and a low end portion 42 corresponding to the high end portion 41, wherein the high end portion 41 of the voice coil 40 is disposed at the vibrating element 30, and the low end portion 42 of the voice coil 40 is coupled to the magneto-rheological system 50, wherein the damper 60 is disposed between the voice coil 40 and the frame assembly 10.

When the speaker responds to the input of the audio signal, the magnetic return system 50 can generate an electromagnetic driving force for driving the voice coil 40 to move back and forth along the axial direction of the speaker, so that the voice coil 40 can drive the vibration element 30 to vibrate back and forth along the axial direction of the speaker, and sound waves are generated by the vibration element 30 due to the blown air, so that the sound corresponding to the audio signal is reproduced. In this process, the elastic beads 20 serve to limit the stroke of the vibration element 30 and to cause the vibration element 30 to be driven to reciprocally vibrate in the axial direction of the speaker, and the damper 60 serves to maintain the reciprocal vibration direction of the vibration element 30 in the axial direction of the speaker, thereby producing good sound quality by the speaker. In other words, the damper 60 serves to prevent the voice coil 40 from deviating from the axial direction of the speaker when driven by the magnetic return system 50, thereby improving the sound quality of the speaker and ensuring the stability of the speaker when used.

The frame assembly 10 further comprises a first frame 11 and a second frame 12, wherein the first frame 11 is mounted to the second frame 12. The first frame 11 has the center through hole 101, and the suspension outer side 22 of the elastic suspension 20 is disposed on the first frame 11 to hold the vibration element 30 to the center through hole 101 of the first frame 11 by the elastic suspension 20.

It is to be noted that the manner in which the suspended edge inner side 21 of the elastic suspended edge 20 is provided to the vibration element 30 and the suspended edge outer side 22 of the elastic suspended edge 20 is provided to the first frame 11 is not limited in the speaker of the present invention.

For example, in a specific example of the speaker of the present invention, the suspended edge inner side 21 of the elastic suspended edge 20 may be attached to the vibration element 30 by glue or the like, and the suspended edge outer side 22 of the elastic suspended edge 20 may be attached to the first frame 11 by glue or the like, so that the vibration element 30 is held at the center through hole 101 of the first frame 11 by the elastic suspended edge 20.

In another specific example of the speaker of the present invention, the elastic suspended edge 20 may be integrally molded between the first frame 11 and the vibration element 30 to hold the vibration element 30 at the center through hole 101 of the first frame 11 by the elastic suspended edge 20. Specifically, the first frame 11 and the vibration element 30 are put into a molding die in such a manner that the vibration element 30 is held in the central through hole 101 of the first frame 11, and a gap formed between the vibration element 30 and the first frame 11 is communicated with a molding space of the molding die, a fluid-like molding material is added into the molding space of the molding die, and the molding material covers a coupling portion of the first frame 11 and a coupling portion of the vibration element 30, so that the elastic suspended edge 20 integrally coupled to the first frame 11 and the vibration element 30 is formed between the first frame 11 and the vibration element 30 after the molding material is cured and a die-drawing process is performed on the molding die. In other words, the inner suspension edge side 21 of the suspension edge 20 is integrally joined to the vibrating element 30, and the outer suspension edge side 22 of the suspension edge 20 is integrally joined to the first frame 11, so that the vibrating element 30 is held by the suspension edge 20 in the central through hole 101 of the first frame 11, see fig. 4.

The damper 60 includes at least two extension arms 61 and at least two communication channels 610, wherein each extension arm 61 has an extension arm inner side 611 and an extension arm outer side 612 corresponding to the extension arm inner side 611, respectively, wherein the extension arm inner side 611 of each extension arm 61 is disposed on the voice coil 40, respectively, and the extension arm outer side 612 of each extension arm 61 is disposed on the second frame 12 of the frame assembly 10, respectively, such that each extension arm 61 is held between the voice coil 40 and the second frame 12 in a manner that one communication channel 610 is formed between adjacent extension arms 61. For example, in this specific example of the speaker of the present invention, each of the extension arms 61 of the damper 60 is disposed between the voice coil 40 and the second frame 12 in such a manner that the extension arm inside 611 of each of the extension arms 61 is attached to the voice coil 40 and the extension arm outside 612 is attached to the second frame 12.

The damper 60 of the speaker of the present invention includes at least two extension arms 61 independent of each other, and one communication channel 610 is formed between any adjacent extension arms 61 for communicating the upper and lower portions of the damper 60, in such a manner that, on the one hand, the damper 60 is lighter in weight, and, on the other hand, the resistance to deformation of the damper 60 is reduced in the thickness direction of the damper 60, and the damper 60 has better elastic recovery capability, in such a manner that the damper 60 not only can better define the up-down movement direction of the voice coil 40 in the axial direction of the speaker, but also can be provided with the magnetic recovery system 50 of small power for the speaker, which is advantageous in reducing the manufacturing cost of the speaker and reducing the size of the speaker. Further, the efficiency of the speaker can be further improved by forming the damper 60 into the communication passage 610 in such a manner that the damper 60 is allowed to communicate with the air at the upper portion and the air at the lower portion of the damper 60 through each of the communication passages 610 when the damper 60 is pulled by the voice coil 40 to be deformed upwardly or downwardly, thereby reducing the wind resistance of the damper 60, which is particularly important for improving the sound quality of the speaker.

Preferably, the distance between any adjacent extension arms 61 of the damper 60 of the speaker is the same, in this way, the voice coil 40 can be prevented from deviating from the axial direction of the speaker when it is driven by the driving force generated by the magnetic return system 50 to move up and down, thereby ensuring the sound quality of the speaker.

More preferably, the width dimension of the extension arm outer side 612 of each extension arm 61 of the damper 60 is greater than or equal to the width dimension of the extension arm inner side 611, in such a way as to be advantageous to ensure the elastic recovery capability of the damper 60.

In this specific example of the speaker shown in fig. 2 to 4, the damper 60 includes four extension arms 61 and four communicating channels 610, wherein any two of the extension arms 61 opposite to each other are symmetrical to each other about the central axis of the speaker as a symmetry axis, and any two of the communicating channels 610 opposite to each other are symmetrical to each other about the central axis of the speaker as a symmetry axis. Nevertheless, it will be understood by those skilled in the art that the specific example of the damper 60 shown in fig. 2 to 4 including four extension arms 61 and four speakers having the communication channels 610 is merely an example for disclosing and describing the contents and features of the speaker of the present invention, but it should not be construed as limiting the contents and scope of the speaker of the present invention. For example, in another specific example of the speaker of the present invention, the damper 60 may include only two extension arms 61 and two communicating channels 610, wherein the two extension arms 61 are symmetrical to each other with the central axis of the speaker as a symmetry axis, and the two communicating channels 610 are symmetrical to each other with the central axis of the speaker as a symmetry axis. In another specific example of the speaker of the present invention, the damper 60 may include three extension arms 61 and three communicating channels 610, wherein the distance between any two adjacent extension arms 61 is equal, and the distance between any two communicating channels 610 is equal. Of course, it should be understood by those skilled in the art that the number of the extension arms 61 and the communication channels 610 of the damper 60 may be more in other possible examples of the speaker of the present invention, and the speaker of the present invention is not limited in this respect.

Fig. 4 shows the internal structure of the speaker after being cut along the middle position, and in this specific example of the speaker of the present invention, the extension arm 61 of the damper 60 extends in a wave shape between the extension arm inner side 611 and the extension arm outer side 612 to further enhance the elastic restoring ability of the damper 60. That is, the shape of the cross section of the extension arm 61 of the damper 60 taken along the extension direction of the extension arm 61 is a wave shape. However, it should be understood by those skilled in the art that in other possible examples of the speaker of the present invention, the shape of the cross section of the extending arm 61 of the damper 60 taken along the extending direction of the extending arm 61 may be "S" shaped.

In addition, in this specific example of the speaker shown in fig. 4, after the extension arm 61 of the damper 60 is sectioned along the extension direction of the extension arm 61 to form a section, the section of the extension arm 61 has a plurality of peaks and a plurality of valleys, wherein the distance between any two adjacent peaks is equal and the distance between any two adjacent valleys is equal. However, in other possible examples of the speaker of the present invention, the distance between any two adjacent peaks of the extension arm 61 of the damper 60 gradually decreases from the extension arm outer side 612 of the extension arm 61 to the extension arm inner side 611, and the distance between any two adjacent valleys gradually decreases from the extension arm outer side 612 of the extension arm 61 to the extension arm inner side 611.

Referring to fig. 5 to 8A of the drawings accompanying the present specification, a speaker according to another preferred embodiment of the present invention is disclosed and described in the following description, wherein the speaker includes a frame assembly 10A, a resilient suspension 20A, a vibrating element 30A, a voice coil 40A, a magnetic return system 50A and a damper 60A.

The frame assembly 10A includes a first frame 11A, wherein the first frame 11A has a central aperture 101A. The elastic suspended edge 20A has a suspended edge inner side 21A and a suspended edge outer side 22A corresponding to the suspended edge inner side 21A, wherein the suspended edge inner side 21A of the elastic suspended edge 20A is provided to the vibration element 30A, and the suspended edge outer side 22A of the elastic suspended edge 20A is provided to the first frame 11A of the frame assembly 10A, so as to hold the vibration element 30A at the center through hole 101A of the first frame 11A of the frame assembly 10A by the elastic suspended edge 20A.

The frame assembly 10A further includes a second frame 12A, wherein the first frame 11A is mounted to the second frame 12A, wherein the voice coil 40A, the magneto-rheological system 50A and the damper 60A are respectively disposed in a space formed between the first frame 11A and the second frame 12A of the frame assembly 10A, and the voice coil 40A has a high end portion 41A and a low end portion 42A corresponding to the Gao Duanbu a, wherein the high end portion 41A of the voice coil 40A is connected to the vibration element 30A, the first low end portion 42A of the voice coil 40A is coupled to the magneto-rheological system 50A, and the damper 60A is disposed between the voice coil 40A and the second frame 12A of the frame assembly 10A, wherein the damper 60A serves to restrict the voice coil 40A from moving back and forth only in an axial direction of the speaker when driven. In other words, the damper 60A serves to prevent the voice coil 40A from deviating from the axial direction of the speaker when driven by the magnetic return system 50A, thereby improving the sound quality of the speaker and ensuring the stability of the speaker when used.

Specifically, the magnetic return system 50A is capable of generating an electromagnetic driving force for driving the voice coil 40A to and fro along the axial direction of the speaker when the speaker responds to the input of an audio signal, and in this process, the damper 60A is used for limiting the direction of the to and fro movement of the voice coil 40A to only the axial direction of the speaker, while avoiding the voice coil 40A from being deflected during the to and fro movement along the axial direction of the speaker, thereby being advantageous for ensuring the sound quality of the speaker. In the process that the voice coil 40A is driven by the electromagnetic driving force generated by the magnetic return system 50A to move back and forth along the axial direction of the speaker, the voice coil 40A can drive the vibration element 30A to reciprocate along the axial direction of the speaker, and in this process, the elastic suspension 20A is used for limiting the stroke of the vibration element 30A and enabling the vibration element 30A to be driven to reciprocate only along the axial direction of the speaker, so that sound waves are generated by the vibration element 30A in a manner of blowing air, and then the sound corresponding to the audio signal is reproduced.

It is to be noted that the manner in which the suspended edge inner side 21A of the elastic suspended edge 20A is provided to the vibration element 30A and the suspended edge outer side 22A of the elastic suspended edge 20A is provided to the first frame 11A is not limited in the speaker of the present invention.

For example, in a specific example of the speaker of the present invention, the suspended edge inner side 21A of the elastic suspended edge 20A may be attached to the vibrating element 30A by glue or the like, and the suspended edge outer side 22A of the elastic suspended edge 20A may be attached to the first frame 11A by glue or the like, so that the vibrating element 30A is held at the center through hole 101A of the first frame 11A by the elastic suspended edge 20A.

In another specific example of the speaker of the present invention, the elastic suspended edge 20A may be integrally molded between the first frame 11A and the vibration element 30A to hold the vibration element 30A at the center through hole 101A of the first frame 11A by the elastic suspended edge 20A. Specifically, the first frame 11A and the vibration element 30A are put into a molding die in such a manner that the vibration element 30A is held in the central through hole 101A of the first frame 11A, and a gap formed between the vibration element 30A and the first frame 11A is communicated with a molding space of the molding die, a fluid molding material is added into the molding space of the molding die, and the molding material covers a coupling portion of the first frame 11A and a coupling portion of the vibration element 30A, so that the elastic overhang 20A integrally coupled to the first frame 11A and the vibration element 30A is formed between the first frame 11A and the vibration element 30A after the molding material is cured and a die-drawing process is performed on the molding die. In other words, the suspended edge inner side 21A of the elastic suspended edge 20A is integrally joined to the vibration element 30A, and the suspended edge outer side 22A of the elastic suspended edge 20A is integrally joined to the first frame 11A, so that the vibration element 30A is held by the elastic suspended edge 20A at the center through hole 101A of the first frame 11A, refer to fig. 6.

Further, the damper 60A includes a damper inner portion 62A, a damper outer portion 63A, and at least two extension arms 61A integrally extending between the damper inner portion 62A and the damper outer portion 63A, and the damper 60A has at least two communication channels 610A, wherein each of the communication channels 610A is respectively formed between the damper inner portion 62A, the damper outer portion 63A, and the adjacent extension arm 61A. Specifically, each of the extension arms 61A has an extension arm inner side 611A and an extension arm outer side 612A corresponding to the extension arm inner side 611A, respectively, wherein the extension arm inner side 611A of each of the extension arms 61A integrally extends within the damper inner portion 62A, and the extension arm outer side 612A of each of the extension arms 61A integrally extends within the damper outer portion 63A. The damper inner portion 62A of the damper 60A is provided to the voice coil 40A in such a manner that the damper inner portion 62A surrounds the voice coil 40A, and the damper outer portion 63A of the damper 60A is provided to the second frame 12A of the frame assembly 10A, so that the damper 60A is held between the voice coil 40A and the second frame 12A of the frame assembly 10A.

The damper 60A of the speaker of the present invention has at least two of the communication passages 610A for communicating the upper and lower portions of the damper 60A with respect to the overall damper of the speaker of the related art, in such a manner that, on the one hand, the damper 60A is lighter in weight, and, on the other hand, the deformation resistance of the damper 60A is reduced in the thickness direction of the damper 60A, and the damper 60A has better elastic recovery capability, and in such a manner that the damper 60A not only can better define the up-down movement direction of the voice coil 40A in the axial direction of the speaker, but also can configure the magnetic return system 50A of smaller power for the speaker, so as to contribute to reducing the manufacturing cost of the speaker and reducing the size of the speaker. Moreover, in the way that the damper 60A forms the communication channel 610A, in the process that the damper 60A is driven by the voice coil 40A to deform upwards or downwards, the damper 60A allows the air above the damper 60A and the air below the damper 60A to communicate with each other through each communication channel 610A, so that the wind resistance of the damper 60A can be reduced, and the low-power magnetic return system 50A can easily drive the voice coil 40A to move back and forth up and down, thereby being beneficial to improving the efficiency of the speaker and reducing the size of the speaker.

Preferably, the distance between any two adjacent extension arms 61A of the damper 60A of the speaker is the same, in this way, the voice coil 40A can be prevented from deviating from the axial direction of the speaker when it moves up and down by the driving force generated by the magnetic return system 50A, thereby ensuring the sound quality of the speaker. More preferably, the width dimension of the extension arm outer side 612A of each extension arm 61A of the damper 60A is greater than or equal to the width dimension of the extension arm inner side 611A, in such a way as to be advantageous to ensure the elastic recovery capability of the damper 60A. That is, the width dimension of the connection position between the extension arm 61A of the damper 60A and the damper outer 63A is greater than or equal to the width dimension of the connection position between the extension arm 61A of the damper 60A and the damper inner 62A.

In this specific example of the speaker shown in fig. 5 to 8A, the damper 60A includes four extension arms 61A extending between the damper inner portion 62A and the damper outer portion 63A and has four communication passages 610A, wherein any two of the extension arms 61A opposed to each other are symmetrical to each other with the center axis of the speaker as a symmetry axis, and any two of the communication passages 610A opposed to each other are symmetrical to each other with the center axis of the speaker as a symmetry axis. Nevertheless, it will be understood by those skilled in the art that the specific example of the damper 60A shown in fig. 5 to 8A including four extension arms 61A and four speakers having communication channels 610A is merely an example for disclosure and illustration of the contents and features of the speaker of the present invention, but it should not be construed as limiting the contents and scope of the speaker of the present invention. For example, in another specific example of the speaker of the present invention, referring to fig. 10A, the damper 60A may include only three extension arms 61A extending between the damper interior 62A and the damper exterior 63A and three communication channels 610A, wherein the distance between any two extension arms 61A is equal and the distance between any two communication channels 610A is equal. For another example, in another specific example of the speaker of the present invention, referring to fig. 10B, the damper 60A may include five extension arms 61A extending between the damper inner part 62A and the damper outer part 63A and four communication channels 610A, wherein a distance between any two of the extension arms 61A is equal and a distance between any two of the communication channels 610A is equal. Of course, it should be understood by those skilled in the art that the number of the extension arms 61A and the communication channels 610A of the damper 60A may be more in other possible examples of the speaker of the present invention, and the speaker of the present invention is not limited in this respect.

Fig. 6 shows the internal structure of the speaker cut along the middle position, and fig. 8A shows the internal structure of the damper 60A of the speaker cut along the middle position, wherein the extension arm 61A of the damper 60A extends in a wave shape between the damper inner portion 62A and the damper outer portion 63A to further enhance the elastic restorability of the damper 60A. That is, the shape of the cross section of the extension arm 61A of the damper 60A taken along the extension direction of the extension arm 61A is a wave shape, referring to fig. 8A. However, it should be understood by those skilled in the art that, in other possible examples of the speaker of the present invention, the shape of the cross section of the extension arm 61A of the damper 60A taken along the extension direction of the extension arm 61A may also be "S" shaped.

In addition, in this specific example of the damper 60A of the speaker shown in fig. 8A, after the damper 60A is sectioned along the extending direction of the extending arm 61A to form a section, the section of the extending arm 61A has a plurality of peaks and a plurality of valleys, in which the distance between any two adjacent peaks is equal and the distance between any two adjacent valleys is equal. In this specific example of the damper 60A of the speaker shown in fig. 8B, the distance between any two adjacent peaks of the extension arm 61A of the damper 60A gradually decreases from the extension arm outer side 612A of the extension arm 61A toward the extension arm inner side 611A, and the distance between any two adjacent valleys gradually decreases from the extension arm outer side 612A of the extension arm 61A toward the extension arm inner side 611A.

Fig. 9A and 9B show an application state of the speaker in which the voice coil 40A moves upward after being driven by the driving force generated by the magneto-rheological system 50A in the specific example of fig. 9A, and the voice coil 40A moves downward after being driven by the driving force generated by the magneto-rheological system 50A in the specific example of fig. 9B, in this process, since the damper 60A has a plurality of the communicating channels 610A spaced from each other, air on both sides of the damper 60A can be uniformly compressed when the damper 60A is deformed by being pulled by the voice coil 40A, so that a bad phenomenon of harmonic distortion due to uneven compressed air can be avoided, thereby advantageously improving the sound quality of the speaker. Also, the damper 60A allows the air at the upper portion and the air at the lower portion of the damper 60A to communicate with each other through each of the communication passages 610A of the damper 60A, and in this way, the wind resistance of the damper 60A can be reduced, so that even the magnetic return system 50A of small power can smoothly and efficiently drive the voice coil 40A to move back and forth along the axial direction of the speaker, thereby ensuring the sound quality of the speaker.

According to another aspect of the present invention, the present invention further provides an audio effect reproduction method for a speaker, wherein the audio effect reproduction method comprises the steps of:

(a) Allowing the upper air and the lower air of the damper 60A to communicate with each other through at least two communication channels 610A of the damper 60A while a magnet return system 50A drives a voice coil 40A to move up and down along the axial direction of the speaker to pull a damper 60A to deform synchronously; and

(b) The voice coil 40A blows air in such a manner as to bring a vibration element 30A to reciprocate synchronously in the axial direction of the speaker, thereby reproducing sound effects.

Fig. 11 shows a spring forming substrate 200A used to make the spring 60A, wherein the spring forming substrate 200A has at least two indentations 210A. It should be noted that, in one embodiment, each notch 210A may be formed during the process of forming the wave-elastic forming base material 200A, and in another embodiment, each notch 210A is formed after forming the wave-elastic forming base material 200A, for example, after forming the wave-elastic forming base material 200A, the wave-elastic forming base material 200A having at least two notches 210A may be formed by cutting a preset position of the wave-elastic forming base material 200A.

Next, referring to fig. 12, the damper forming substrate 200A may be formed with the damper interior 62A, the damper exterior 63A and each of the extension arms 61A by pressing the damper forming substrate 200A, and each of the notches 210A forms one of the communication channels 610A between the damper interior 62A, the damper exterior 63A and the adjacent extension arm 61A, respectively, to produce the damper 60A. Preferably, in this manufacturing process of the damper 60A shown in fig. 12, the damper forming base material 200A may be pressed by a hot press process, in such a manner that each of the extension arms 61A of the damper 60A may extend between the damper inner portion 62A and the damper outer portion 63A in a wavy shape. It is noted that the cross-sectional shape of the sabot interior 62A of the sabot 60A may be arcuate, or it may be formed by a hot pressing process.

Therefore, according to another aspect of the present invention, the present invention further provides a method for manufacturing an elastic wave, wherein the method comprises the steps of:

(A) Providing a spring wave forming substrate 200A with at least two gaps 210A; and

(B) Pressing the elastic wave forming substrate 200A to enable the elastic wave forming substrate 200A to form an elastic wave inner part 62A, an elastic wave outer part 63A and at least two extension arms 61A, wherein each extension arm 61A extends between the elastic wave inner part 62A and the elastic wave outer part 63A at intervals, and each gap 210A of the elastic wave forming substrate 200A forms a communication channel 610A between the elastic wave inner part 62A, the elastic wave outer part 63A and the adjacent extension arms 61A respectively to obtain the elastic wave 60A.

Preferably, the wave-elastic forming substrate 200A may be a cloth. For example, in one specific example of the present invention, the missile-shaped substrate 200A may be formed by, but not limited to, dipping a fiber cloth into an epoxy resin solution, and after the epoxy resin solution is cured. In addition, generally, the elastic wave forming base material 200A may be received in a roll, and referring to fig. 11, when the elastic wave forming base material 200A needs to be made into the elastic wave 60A, the elastic wave forming base material 200A may be unfolded and cut at a predetermined position.

It will be appreciated by persons skilled in the art that the above embodiments are only examples, wherein features of different embodiments may be combined with each other to obtain embodiments which are easily conceivable in accordance with the disclosure of the invention, but which are not explicitly indicated in the drawings.

It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims

1. A loudspeaker, comprising:

a vibrating element;

a magnetic return system;

a frame assembly;

a flexible suspension, wherein said flexible suspension is connected to said vibratory element and said frame assembly;

and an elastic wave, wherein the elastic wave comprises at least two extension arms and at least two communication channels, each extension arm is respectively arranged on the voice coil and the frame, and one communication channel is formed between two adjacent extension arms.

2. The speaker of claim 1, wherein each of the extension arms has an extension arm inner side and an extension arm outer side corresponding to the extension arm inner side, wherein each of the extension arms is disposed to the voice coil such that the extension arm inner side is attached to the voice coil, and each of the extension arms is disposed to the frame assembly such that the extension arm outer side is attached to the frame assembly.

3. The speaker of claim 1, wherein said damper further comprises a damper interior and a damper exterior, wherein each of said extension arms extends in a spaced relationship between said damper interior and said damper exterior in such a manner that an extension arm interior of each of said extension arms is integrally formed in said damper interior and an extension arm exterior of each of said extension arms is integrally formed in said damper exterior, wherein each of said extension arms is disposed on said voice coil in such a manner that said damper interior is disposed on said voice coil, and each of said extension arms is disposed on said frame in such a manner that said damper exterior is disposed on said frame.

4. The loudspeaker of claim 3, wherein the frame assembly comprises a first frame and a second frame mounted to the first frame, wherein the resilient suspension is attached to the first frame, the damper exterior of the damper being disposed on the second frame.

5. The speaker of claim 4 wherein said elastic suspension has a suspension inside and a suspension outside corresponding to said suspension inside, wherein said suspension inside of said elastic suspension is attached to said vibration element, and said suspension outside of said elastic suspension is attached to said first frame.

6. The speaker of claim 4, wherein the elastic suspension edge has a suspension edge inner side and a suspension edge outer side corresponding to the suspension edge inner side, wherein the suspension edge inner side of the elastic suspension edge is integrally formed with the vibration element, and the suspension edge outer side of the elastic suspension edge is integrally formed with the first frame.

7. The speaker of any one of claims 1 to 6, wherein the extension arm is formed by dipping a fiber cloth into an epoxy solution and subjecting the epoxy solution to a hot pressing process after curing.

8. The loudspeaker of claim 7, wherein the extension arm of the spider is undulating in cross-section.

9. The speaker of claim 7, wherein the cross-section of the extension arm of the damper has a plurality of peaks and a plurality of valleys, wherein the distance between any two adjacent peaks decreases gradually from the outside of the extension arm toward the inside of the extension arm, and the distance between any two adjacent valleys decreases gradually from the outside of the extension arm toward the inside of the extension arm.

10. An elastic wave, comprising an elastic wave interior, an elastic wave exterior and at least two extension arms, wherein the elastic wave has at least two communicating channels, wherein each of the extension arms extends at intervals between the elastic wave interior and the elastic wave exterior in a manner that the extension arm interior of each of the extension arms is integrally formed in the elastic wave interior and the extension arm exterior of each of the extension arms is integrally formed in the elastic wave exterior, thereby forming one of the communicating channels between the elastic wave interior, the elastic wave exterior and the adjacent extension arms.

11. The bullet wave of claim 10, wherein the bullet wave is formed by dipping a fiber cloth into an epoxy resin solution and a hot pressing process after the epoxy resin solution is cured.

12. The elastic wave of claim 10, wherein the cross section of the extension arm of the elastic wave has a plurality of peaks and a plurality of valleys, wherein the distance between any two adjacent peaks gradually decreases from the outside of the extension arm toward the inside of the extension arm, and the distance between any two adjacent valleys gradually decreases from the outside of the extension arm toward the inside of the extension arm.

13. An audio reproduction method for a speaker, the audio reproduction method comprising the steps of:

14. The sound effect reproduction method of claim 13, wherein the elastic waves are formed by dipping the fiber cloth into an epoxy resin solution and performing a hot pressing process after the epoxy resin solution is cured.

15. The sound effect reproduction method according to claim 13, wherein the section of the extension arm of the elastic wave has a plurality of peaks and a plurality of valleys, wherein the distance between any two adjacent peaks gradually decreases from the outside of the extension arm toward the inside of the extension arm, and the distance between any two adjacent valleys gradually decreases from the outside of the extension arm toward the inside of the extension arm.

16. A method of making an elastic wave, the method comprising the steps of:

(A) Providing a wave forming substrate with at least two notches; and

17. The manufacturing method according to claim 16, wherein in the step (a), the undulated base material is received in a roll, and the notch of the undulated base material is formed in such a manner that the undulated base material is cut at a predetermined position of the undulated base material.

18. The manufacturing method according to claim 16, wherein in the step (B), the corrugating base material is pressed in a hot press process.

19. The method of manufacturing according to claim 16, wherein the extension arm of the bullet wave has a wave-shaped cross section.

20. The method of manufacturing according to claim 16, wherein the extension arm of the elastic wave has a cross section having a plurality of peaks and a plurality of valleys, wherein a distance between any two adjacent peaks gradually decreases from the outside of the extension arm toward the inside of the extension arm, and a distance between any two adjacent valleys gradually decreases from the outside of the extension arm toward the inside of the extension arm.

21. The production method according to any one of claims 16 to 20, wherein in the step (a), the missile-shaped base material is formed by dipping a fiber cloth into an epoxy resin solution and after the epoxy resin solution is cured.