CN106162467B - Sound pipeline, loudspeaker assembly and two-side sound-emitting mobile phone - Google Patents
Sound pipeline, loudspeaker assembly and two-side sound-emitting mobile phone Download PDFInfo
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- CN106162467B CN106162467B CN201610782800.2A CN201610782800A CN106162467B CN 106162467 B CN106162467 B CN 106162467B CN 201610782800 A CN201610782800 A CN 201610782800A CN 106162467 B CN106162467 B CN 106162467B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention provides a sound pipeline, a loudspeaker assembly and a double-side sound-emitting mobile phone, wherein the sound pipeline comprises a sound pipeline main body and a sound pipeline control part, a sound cavity is arranged in the sound pipeline main body, a first opening, a second opening and a third opening which are communicated with the sound cavity are arranged on the outer surface of the sound pipeline main body, the first opening is communicated with a sound-emitting hole of a loudspeaker, the second opening is communicated with a sound hole of a positive speaker on electronic equipment, the third opening is communicated with a sound hole of a side speaker on the electronic equipment, and the sound pipeline control part moves on the sound pipeline main body to close the second opening or the third opening. One object of the present invention is to enable a loudspeaker to be switched between an earpiece function and a loud speaker function.
Description
Technical Field
The invention relates to the field of acoustic devices, in particular to an acoustic pipeline, a loudspeaker assembly applying the acoustic pipeline and a double-side sound-emitting mobile phone with the loudspeaker assembly.
Background
The loudspeaker is widely applied to daily production and life of people as a sounding device for electronic equipment such as mobile phones, televisions, computers and the like. Taking a mobile phone or a flat-panel electronic product as an example, the mobile phone or the flat-panel electronic product generally has two speakers, one of which has high sensitivity and good high frequency response and is therefore often used as a loudspeaker (generally called a speaker or a loudspeaker) for playing an incoming call ringtone or music, and the speaker is arranged at the bottom of the mobile phone; the other speaker, which is low in sensitivity and good in low-frequency response and is therefore often used as an earpiece in a call (generally called receiver or earpiece), is arranged on the top of the handset, and the two speakers can cooperate to achieve a stereo effect.
The receiver used as the receiver must adopt a front sounding design, that is, the sound hole of the receiver used for transmitting the sound of the receiver to the outside on the mobile phone must be arranged on the front of the mobile phone, so that the sound hole of the receiver faces the ear of the user when the mobile phone is used, and the speaker used as the external speaker usually adopts a side sounding design due to the limitation of space and the like, that is, the sound hole of the speaker used for transmitting the sound of the speaker to the outside on the end face in the thickness direction of the bottom of the mobile phone must be arranged on the mobile phone. When the stereo effect needs to be realized, the sound difference between the loudspeaker with the side sound-emitting design and the receiver with the front sound-emitting design is large, the sound quality is poor, and the stereo effect is poor. Even if the receiver and the speaker are the same speaker, the stereo effect is not balanced enough due to difficulty in adjusting the sound phase of the receiver and the speaker, and it is also difficult to meet the user's demand.
Disclosure of Invention
An object of the present invention is to provide a new technical solution for an acoustic channel that can switch a speaker between an earpiece function and a loud speaker function.
According to a first aspect of the present invention, there is provided an acoustic duct, comprising a main acoustic duct body and a duct controller, wherein a sound cavity is provided in the main acoustic duct body, and a first opening, a second opening and a third opening are provided on an outer surface of the main acoustic duct body, the first opening communicating with a speaker sound outlet, the second opening communicating with a front speaker sound outlet on an electronic device, the third opening communicating with a side speaker sound outlet on the electronic device, and the duct controller moves on the main acoustic duct body to close the second opening or the third opening.
Optionally, the sound tube main body further comprises a first connecting tube, a second connecting tube and a third connecting tube, wherein the first connecting tube is located between the first opening and the speaker sound outlet hole to communicate the first opening with the speaker sound outlet hole; the second connecting pipeline is positioned between the second opening and the sound hole of the positive loudspeaker so as to communicate the second opening with the sound hole of the positive loudspeaker; the third connecting pipe is located between the third opening and the side speaker sound hole to communicate the third opening with the side speaker sound hole.
Optionally, the first connecting pipe and the third connecting pipe are oppositely arranged.
Optionally, the first connecting pipe, the second connecting pipe and the third connecting pipe are all straight pipes, and a cross section of the acoustic pipe along an extending direction of the second connecting pipe is an inverted T shape.
Optionally, the sound duct control has a curved plate shape that moves along an inner wall of the sound chamber, the third opening is in an open state when the sound duct control closes the second opening, and the second opening is in an open state when the sound duct control closes the third opening.
It is another object of the present invention to provide a speaker assembly.
According to a second aspect of the invention, there is provided a loudspeaker assembly comprising a loudspeaker and an acoustic duct of the invention.
Optionally, a speaker sound outlet of the speaker is welded to the first opening of the sound duct to communicate the sound cavity with the front sound cavity of the speaker.
It is yet another object of the present invention to provide a dual sided voice enabled handset.
According to a third aspect of the present invention, there is provided a two-sided sound emitting handset, including the speaker assembly of the present invention, the front face of the two-sided sound emitting handset is provided with the front speaker sound hole, and one end face in the thickness direction of the two-sided sound emitting handset is provided with the side speaker sound hole.
Optionally, the movement of the acoustic duct control within the acoustic duct is driven by a magnetic force, or the movement of the acoustic duct control within the acoustic duct is driven by an electric motor.
Optionally, the mobile phone further comprises a loudspeaker, and a loudspeaker sound hole is formed in the other end face of the mobile phone with the two sides emitting sound in the thickness direction; the acoustic duct control closes the third opening when the speaker is in use as an earpiece; when the speaker is used as a loudspeaker, the sound duct control member closes the second opening.
The inventors of the present invention have found that in the prior art, there is a problem that the stereo effect of the speaker of the side-view design and the speaker of the front-view design is poor. Therefore, the technical task to be achieved or the technical problems to be solved by the present invention are never thought or anticipated by those skilled in the art, and therefore the present invention is a new technical solution.
The sound duct control part can close the second opening or the third opening of the sound duct main body according to selection, so that the sound hole of the loudspeaker communicated with the first opening of the sound duct main body is communicated with the sound hole of the front speaker or the sound hole of the side speaker of the electronic equipment, and the purpose of switching the loudspeaker between the receiver function and the external playing function is achieved.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic structural view of an acoustic duct according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another perspective of an acoustic duct embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a speaker assembly according to an embodiment of the present invention;
FIG. 4 is an exploded view of a two-sided voice-emitting handset embodiment of the present invention;
FIG. 5 is a cross-sectional view of a dual-sided audio output handset according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of a dual-sided audio output handset according to an embodiment of the present invention.
The figures are labeled as follows:
the sound tube comprises a sound tube main body-1, a sound cavity-11, a first opening-12, a second opening-13, a third opening-14, a first connecting tube-15, a second connecting tube-16, a third connecting tube-17, a sound tube control part-2, a loudspeaker-3, a loudspeaker sound outlet-31, a front sound cavity-32, a mobile phone upper shell-4, a front speaker sound hole-41, a mobile phone lower shell-5, a side speaker sound hole-51 and a horn sound hole-52.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In order to solve the problem of poor stereo effect of a speaker with side-emitting design and a receiver with front-emitting design, the invention firstly provides a sound pipe, as shown in fig. 1 and 2, which comprises a sound pipe main body 1 and a sound pipe control member 2, wherein a sound cavity 11 is arranged in the sound pipe main body 1, a first opening 12, a second opening 13 and a third opening 14 which are communicated with the sound cavity 11 are arranged on the outer surface of the sound pipe main body 1, wherein the first opening 12 is communicated with a speaker sound outlet, the second opening 13 is communicated with a front-emitting speaker sound hole on an electronic device, the third opening 14 is communicated with a side speaker sound hole on the electronic device, the sound pipe control member 2 moves on the sound pipe main body 11 to close the second opening 13 or the third opening 14, the sound pipe control member 2 can move on the outer surface of the sound pipe main body 11 or on the inner wall of the sound cavity 11, the speaker sound outlet refers to a sound outlet of a speaker that can be used as a receiver, the sound outlet of the speaker is communicated with a front cavity of the speaker, the main speaker sound outlet refers to a hole that is used for transmitting sound of the speaker to the outside when the speaker is used for realizing a receiver function, for example, on an electronic device of a mobile phone, the side speaker sound outlet refers to a hole that is used for transmitting sound of the speaker to the outside when the speaker is used for realizing a play-out function, for example, on the electronic device of the mobile phone, the main speaker sound outlet and the side speaker sound outlet on the electronic device are generally arranged in a non-coplanar manner. Of course, it should be clear to those skilled in the art that the above-mentioned speaker is usually arranged at the position of a receiver in an electronic device such as a mobile phone, that is, usually above the screen of the electronic device, and the acoustic performance of the above-mentioned speaker can be flexibly selected according to actual requirements.
The shape of the sound duct body 1 of the present invention can be specifically selected according to actual requirements, for example, the shape of the sound duct body 1 is spherical, square, rectangular parallelepiped or cylindrical, etc., the sizes of the first opening 12, the second opening 13 and the third opening 14 can also be flexibly set according to actual requirements, and it should be noted that the first opening 12 communicated with the sound outlet of the speaker cannot be too small, so as to prevent the sound quality of the sound transmitted from the sound outlet of the speaker from being undesirably changed. Furthermore, as one skilled in the art can easily think, the shape, size and other parameters of the sound cavity 11 will also affect the effect of the sound transmitted from the speaker to the outside, and the skilled person can select the parameters related to the sound cavity 11 according to the requirement.
The sound pipe control part 2 can close the second opening 13 or the third opening 14 according to the requirement, generally, when the electronic equipment is required to realize the receiver function, the sound pipe control part 2 closes the third opening 14, the second opening 13 communicates the sound cavity 11 of the sound pipe main body 1 with the acoustic hole of the acoustic speaker on the electronic equipment, and the sound conducted from the acoustic hole of the acoustic speaker can be transmitted to the outside from the acoustic hole of the acoustic speaker; when the electronic equipment is required to realize the external playing function, the sound pipeline control part 2 closes the second opening 13, at the moment, the third opening 14 communicates the sound cavity 11 of the sound pipeline main body 1 with the side receiver sound hole on the electronic equipment, and sound conducted from the speaker sound outlet hole can be transmitted to the outside from the side speaker sound hole.
Furthermore, the movement of the acoustic duct control member 2 can be achieved in various ways, for example, the acoustic duct control member 2 is driven by magnetic force to move in the acoustic duct, or the acoustic duct control member 2 is driven by an electric motor to move in the acoustic duct, specifically, when the acoustic duct control member 2 is driven by magnetic force, a magnetic source for driving the acoustic duct control member 2 can be arranged, the magnetic source generates a magnetic field when the magnetic source is powered on and disappears when the magnetic field is powered off, and the electronic device powers on or off the magnetic source according to a signal, so as to achieve the movement of the acoustic duct control member 2, wherein the magnetic source can be, for example, a solenoid, a relay, or the like; when the acoustic duct controller 2 is driven by the electric motor, an electric motor for driving the acoustic duct controller 2 may be disposed, and the electronic device may operate or stop the electric motor according to a signal, thereby implementing the movement of the acoustic duct controller 2, but it should be apparent to those skilled in the art that the movement of the acoustic duct controller 2 is not limited to the implementation described above, and any structure or mechanism that can be used to drive the movement of the acoustic duct controller 2 may be used in the present invention. In addition, in order to ensure the smoothness of the movement of the acoustic duct control member 2 on the acoustic duct main body 1, a slide rail or a slide groove for the movement of the acoustic duct control member 2 may be provided on the acoustic duct main body 1; in order to ensure the sealing effect of the acoustic duct control member 2, the edge or surface of the acoustic duct control member 2 may be provided with a flexible material, such as silicone or rubber, and/or a groove that is cooperable with the acoustic duct control member 2 at the end of its movement when the acoustic duct control member 2 is moved to close the second opening 13 or the third opening 14.
The sound duct control part 2 of the sound duct of the present invention can selectively close the second opening 13 or the third opening 14 of the sound duct main body 1, thereby realizing that the sound hole of the speaker communicated with the first opening 12 of the sound duct main body 1 is communicated with the sound hole of the front speaker or the sound hole of the side speaker of the electronic device, so as to achieve the purpose of switching the speaker between the receiver function and the external playing function. When the loudspeaker is used as an external loudspeaker, the loudspeaker can be matched with the loudspeaker together to realize a better stereo effect.
In a specific embodiment of the acoustic duct of the present invention, the acoustic duct body 1 further comprises a first connecting duct 15, a second connecting duct 16 and a third connecting duct 17, wherein the first connecting duct 15 is located between the first opening 12 and the speaker sound outlet to connect the first opening 12 and the speaker sound outlet; the second connecting pipe 16 is positioned between the second opening 13 and the acoustic port of the acoustic front speaker to communicate the second opening 13 with the acoustic port of the acoustic front speaker; the third connecting pipe 17 is located between the third opening 14 and the side speaker sound hole to communicate the third opening 13 with the side speaker sound hole, and shapes and sizes of the first connecting pipe 15, the second connecting pipe 16 and the third connecting pipe 17 can be flexibly set according to actual requirements, for example, the first connecting pipe 15, the second connecting pipe 16 and the third connecting pipe 17 are straight pipes or bent pipes, and the shape and size parameters of the first connecting pipe 15, the second connecting pipe 16 and the third connecting pipe 17 can affect the effect of sound transmitted from the speaker to the outside.
Optionally, the first connecting pipe 15 and the third connecting pipe 16 are oppositely arranged.
In another embodiment of the sound duct of the present invention, the first connecting duct 15, the second connecting duct 16 and the third connecting duct 17 are all straight pipes, and the cross section of the sound duct 1 along the extending direction of the second connecting duct 15 is an inverted T shape (as shown in fig. 2), so that the sound conducting effect of the sound duct is good, which is beneficial to ensuring good sound quality of sound transmitted from the speaker.
In still another embodiment of the sound duct of the present invention, the sound duct controlling member 2 has a curved plate shape moving along the inner wall of the sound chamber 11, the third opening 14 is in an open state when the sound duct controlling member 2 closes the second opening 13, and the second opening 13 is in an open state when the sound duct controlling member 2 closes the third opening 14, in which embodiment, the sound duct controlling member 2 of a curved plate structure moves smoothly, and the sound duct controlling member 2 may extend toward the second opening 13 and the third opening 14, thereby ensuring that the sound chamber 11 has a large volume, which is advantageous for improving the sound quality of sound transmitted from the speaker to the outside.
The invention also provides a loudspeaker assembly comprising a loudspeaker 3 and an acoustic duct of the invention, as shown in figure 3. The typical structure of the loudspeaker of the invention comprises a shell and a loudspeaker monomer, wherein the shell comprises an upper shell and a lower shell which are assembled together to form a cavity for accommodating the loudspeaker monomer, the loudspeaker monomer divides the cavity into a front sound cavity and a rear sound cavity, concretely, the loudspeaker monomer and the upper shell form the front sound cavity, the loudspeaker monomer and the lower shell form the rear sound cavity, the sound outlet of the loudspeaker is communicated with the front sound cavity, the typical structure of the loudspeaker monomer comprises a vibration system, a magnetic circuit system and an auxiliary system, the auxiliary system comprises a shell capable of accommodating a vibration system and a magnetic circuit system, the vibration system comprises a vibrating diaphragm and a vibrating voice coil fixed on one side of the vibrating diaphragm, the vibrating diaphragm comprises a vibrating diaphragm body and a DOME (Dome top) fixed on the vibrating diaphragm body, and the vibrating diaphragm body comprises a fixed part fixed with the shell, a folded ring part which is arranged integrally with the fixed part and protrudes towards the front sound cavity direction, and a plane part positioned in the folded ring part; the magnetic circuit system comprises a magnetic conduction plate, a central magnet and a side magnet which are fixed on the magnetic conduction plate, and a central washer and a side washer which are respectively attached to the surfaces of the central magnet and the side magnet.
In a specific embodiment of the loudspeaker assembly according to the present invention, the loudspeaker sound outlet 31 of the loudspeaker 3 is welded to the first opening 12 of the sound duct to communicate the sound chamber 11 with the front sound chamber 32 of the loudspeaker 3, and the welding is, for example, plastic welding, and it will be readily appreciated by those skilled in the art that the end of the loudspeaker sound outlet 31 facing the first opening 12 may be further provided with a duct for communicating with the first opening 12, which duct should generally have an inner diameter such that the formation of a slit between the loudspeaker sound outlet 31 and the first opening 12 due to the too small inner diameter of the duct is prevented.
As shown in fig. 4 to 6, the present invention further provides a double-sided sound outputting handset, which includes the speaker assembly of the present invention, the front face of the double-sided sound-emitting mobile phone is provided with the sound hole 41 of the positive speaker, one end face of the double-sided sound-emitting mobile phone in the thickness direction is provided with the sound hole 51 of the side speaker, the typical structure of the double-sided sound-emitting mobile phone comprises a mobile phone upper shell 4, a mobile phone lower shell 5 and a loudspeaker, wherein, the upper casing 4 of the mobile phone is a casing on one side of the mobile phone screen of the double-side phonating mobile phone, the lower casing 5 of the mobile phone is a casing on the other side opposite to the upper casing 4 of the mobile phone, the front speaker sound hole 41 is therefore typically located on the handset top case 4, the side speaker sound hole 51 is typically located on the handset bottom case 5, also, the front of a two-sided sound emitting handset refers to the surface of the handset having one side of the handset screen, and further, the front speaker sound hole 41 is generally located above the handset screen.
The speaker of the dual-side phonating mobile phone of the present invention is usually a speaker (also called a speaker module), the speaker may have the same structure as the speaker 3, and the typical structure of the speaker can refer to the description of the typical structure of the speaker 3, which is not repeated herein. One skilled in the art can easily think that the speaker and the speaker of the two-sided sound-emitting handset can be the same structure of the speaker, or the structures of the two can be respectively adjusted according to actual requirements to change the acoustic performance of the speaker and the speaker. When the loudspeaker is used as an external loudspeaker, the loudspeaker can be matched with the loudspeaker together to realize a better stereo effect.
In a specific embodiment of the dual-side sound emitting handset of the present invention, the movement of the sound duct controlling part 2 in the sound duct is driven by magnetic force, or the movement of the sound duct controlling part 2 in the sound duct is driven by an electric motor, more specifically, when the sound duct controlling part 2 is driven by magnetic force, a magnetic force source for driving the sound duct controlling part 2 may be arranged, the magnetic force source generates a magnetic field when the magnetic force source is powered on and disappears when the magnetic field is powered off, the handset powers on or powers off the magnetic force source according to a signal, thereby realizing the movement of the sound duct controlling part 2, and the magnetic force source may be, for example, a solenoid, a relay, or the like; when the acoustic duct controller 2 is driven by the electric motor, an electric motor for driving the acoustic duct controller 2 may be disposed, and the mobile phone may operate or stop the electric motor according to a signal, so as to implement the movement of the acoustic duct controller 2, but it should be clear to those skilled in the art that the movement of the acoustic duct controller 2 is not limited to the above-described manner, and any structure or mechanism that can be used to drive the movement of the acoustic duct controller 2 may be used in the present invention. In the specific operation, a user inputs a use request signal to a Central Processing Unit (CPU) of the mobile phone with two sound emitting sides according to the requirement, and the CPU sends a control signal to enable the sound pipeline control part 2 to move on the sound pipeline main body 1.
In another specific embodiment of the two-sided sound emitting mobile phone of the present invention, the two-sided sound emitting mobile phone further includes a speaker (not shown in the figure), and a speaker sound hole 52 is formed on the other end surface in the thickness direction of the two-sided sound emitting mobile phone; when the speaker 3 is used as an earpiece, the sound duct control 2 closes the third opening 14; when the speaker 3 is used as a loudspeaker, the sound duct controller 2 closes the second opening 13, in particular, the speaker sound hole 52 may be disposed on the lower case 5 of the mobile phone, and the speaker sound hole 52 is disposed corresponding to the side speaker sound hole 51. Of course, the speaker is usually disposed below the mobile phone screen with two sound emitting sides, the speaker is usually disposed above the mobile phone screen, and the number and size of the front speaker sound holes 41, the side speaker sound holes 51, and the speaker sound holes 52 can be set according to actual requirements, for example, the front speaker sound holes 41, the side speaker sound holes 51, and the speaker sound holes 52 are circular holes or square holes arranged linearly.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. An acoustic duct, characterized by comprising an acoustic duct body (1) and an acoustic duct control (2), wherein a sound cavity (11) is provided in the acoustic duct body (1), a first opening (12), a second opening (13) and a third opening (14) which are communicated with the sound cavity (11) are provided on an outer surface of the acoustic duct body (1), wherein the first opening (12) is communicated with a speaker sound outlet, the second opening (13) is communicated with a front speaker sound hole on an electronic device, the third opening (14) is communicated with a side speaker sound hole on the electronic device, the acoustic duct control (2) moves on the acoustic duct body (1) to close the second opening (13) or the third opening (14) to switch a speaker between an earpiece function and a loud speaker function, wherein the speaker sound outlet is the sound outlet of the speaker used as a receiver, the speaker sound outlet with the front chamber intercommunication of speaker, positive loudspeaker sound hole is in when the speaker is used for realizing the earphone function will the sound of speaker propagates to external hole, the side speaker sound hole is in when the speaker is used for realizing the function of putting outward will the sound of speaker propagates to external hole.
2. The sound duct according to claim 1, characterized in that the sound duct body (1) further comprises a first connecting duct (15), a second connecting duct (16) and a third connecting duct (17), wherein the first connecting duct (15) is located between the first opening (12) and the speaker sound outlet hole to communicate the first opening (12) with the speaker sound outlet hole; the second connecting pipe (16) is positioned between the second opening (13) and the acoustic port of the acoustic front speaker to communicate the second opening (13) with the acoustic port of the acoustic front speaker; the third connection pipe (17) is located between the third opening (14) and the side speaker sound hole to communicate the third opening (14) and the side speaker sound hole.
3. The acoustic duct according to claim 2, characterized in that the first connecting duct (15) and the third connecting duct (17) are oppositely disposed.
4. The acoustic duct according to claim 2, characterized in that the first connecting duct (15), the second connecting duct (16) and the third connecting duct (17) are all straight tubular in shape and in that the section of the acoustic duct along the extension of the second connecting duct (16) is of inverted T shape.
5. The acoustic duct according to claim 1, characterized in that the acoustic duct control (2) has a curved plate shape moving along the inner wall of the acoustic chamber (11), the third opening (14) being in an open state when the acoustic duct control (2) closes the second opening (13), the loudspeaker being used as a loudspeak; when the acoustic duct control (2) closes the third opening (14), the second opening (13) is in an open state, the loudspeaker being used as an earpiece.
6. A loudspeaker assembly comprising a loudspeaker (3) and an acoustic duct as claimed in any one of claims 1 to 5.
7. A loudspeaker assembly according to claim 6, wherein the loudspeaker sound outlet aperture (31) of the loudspeaker (3) is welded to the first opening (12) of the sound duct to communicate the sound cavity (11) with the front sound cavity (32) of the loudspeaker (3).
8. A double-sided sound emitting handset characterized by comprising the speaker assembly as set forth in claim 6 or 7, wherein the front face of the double-sided sound emitting handset is provided with the front speaker sound hole (41), and one end face in the thickness direction of the double-sided sound emitting handset is provided with the side speaker sound hole (51).
9. The double-sided sound producing handset according to claim 8, wherein the movement of the acoustic duct control (2) within the acoustic duct is driven by magnetic force or the movement of the acoustic duct control (2) within the acoustic duct is driven by an electric motor.
10. The double-sided sound emitting mobile phone of claim 8, further comprising a speaker, wherein a speaker sound hole (52) is formed in the other end surface of the double-sided sound emitting mobile phone in the thickness direction; -the acoustic duct control (2) closes the third opening (14) when the loudspeaker (3) is used as an earpiece; the acoustic duct control (2) closes the second opening (13) when the loudspeaker (3) is used as a lounge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782800.2A CN106162467B (en) | 2016-08-31 | 2016-08-31 | Sound pipeline, loudspeaker assembly and two-side sound-emitting mobile phone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610782800.2A CN106162467B (en) | 2016-08-31 | 2016-08-31 | Sound pipeline, loudspeaker assembly and two-side sound-emitting mobile phone |
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| CN106162467A CN106162467A (en) | 2016-11-23 |
| CN106162467B true CN106162467B (en) | 2021-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12192699B2 (en) * | 2021-12-29 | 2025-01-07 | Aac Microtech (Changzhou) Co., Ltd. | Electronic terminal with a switching structure |
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