CN106937225B - Horn structure and mobile terminal - Google Patents
Horn structure and mobile terminal Download PDFInfo
- Publication number
- CN106937225B CN106937225B CN201710249260.6A CN201710249260A CN106937225B CN 106937225 B CN106937225 B CN 106937225B CN 201710249260 A CN201710249260 A CN 201710249260A CN 106937225 B CN106937225 B CN 106937225B
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- channel
- frequency band
- band signal
- preset frequency
- panel
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a horn structure and a mobile terminal, comprising: a sound wave separation structure having a cavity; the horn body is arranged in the cavity; the loudspeaker body comprises a basin frame and a vibrating diaphragm fixed on the basin frame, wherein the vibrating diaphragm comprises a first vibrating part, a second vibrating part and a third vibrating part between the first vibrating part and the second vibrating part; the cavity comprises a first channel, a second channel, a third channel and a fourth channel, wherein the first channel is arranged corresponding to the position of the first vibration part and used for radiating a first preset frequency band signal, the second channel is arranged corresponding to the third vibration part and used for radiating a second preset frequency band signal, the third channel is arranged corresponding to the position of the second vibration part and used for radiating the second preset frequency band signal and a third preset frequency band signal, and the fourth channel is used for radiating the third preset frequency band signal; the first vibration portion vibrates under the action of the first preset frequency band signal, the third vibration portion vibrates under the action of the second preset frequency band signal, and the second vibration portion vibrates under the action of the second preset frequency band signal and the third preset frequency band signal.
Description
Technical Field
The invention relates to the technical field of electronic design, in particular to a loudspeaker structure and a mobile terminal.
Background
With the popularization of portable consumer electronics, earphones are widely used in daily life of people, and people seek higher and higher sound quality effect of the earphones. In the existing earphone production process, in order to improve the tone quality effect of the earphone, the structure of the earphone cavity is complex in design, and although the complex cavity structure brings a good sound effect, the complex structure brings the rise of the manufacturing cost.
Disclosure of Invention
The invention aims to provide a loudspeaker structure and a mobile terminal, which are used for solving the problem that the manufacturing cost of an earphone is increased due to the complex cavity structure of the existing earphone.
In order to achieve the above object, the present invention provides a horn structure comprising:
a sound wave separation structure having a cavity;
the horn body is arranged in the cavity;
the loudspeaker body comprises a basin frame and a vibrating diaphragm fixed on the basin frame, wherein the vibrating diaphragm comprises a first vibrating part, a second vibrating part and a third vibrating part arranged between the first vibrating part and the second vibrating part;
the cavity comprises a first channel, a second channel, a third channel and a fourth channel, wherein the first channel is arranged corresponding to the first vibration part and used for radiating a first preset frequency band signal, the second channel is arranged corresponding to the third vibration part and used for radiating a second preset frequency band signal, the third channel is arranged corresponding to the second vibration part and used for radiating the second preset frequency band signal and a third preset frequency band signal, and the fourth channel is used for radiating the third preset frequency band signal;
first vibration portion is in vibration under the effect of first frequency channel signal of predetermineeing, third vibration portion vibrates under the effect of frequency channel signal is predetermine to the second, second vibration portion is in frequency channel signal is predetermine to the second with the vibration under the effect of frequency channel signal is predetermine to the third, the first frequency of predetermineeing the frequency channel signal the frequency of frequency channel signal is predetermine to the second with the frequency of frequency channel signal is predetermine to the third mutually different.
In order to achieve the above object, an embodiment of the present invention further provides a mobile terminal including the speaker structure as described above.
The embodiment of the invention has the following beneficial effects:
according to the technical scheme of the embodiment of the invention, the loudspeaker body is arranged in the cavity of the sound wave separation structure, the first channel for radiating the first preset frequency band signal is arranged at the position of the cavity corresponding to the first vibration part, the second channel for radiating the second preset frequency band signal is arranged at the position of the cavity corresponding to the third vibration part, the third channel for radiating the second preset frequency band signal and the third preset frequency band signal and the fourth channel for radiating the third preset frequency band signal are arranged at the position of the cavity corresponding to the second vibration part, the sound wave signals of different frequency bands can be separated through different channels, and therefore, a tuning engineer can simply and quickly debug the required tone quality effect according to the separated sound wave signals of different frequency bands.
Drawings
Fig. 1 is a schematic structural diagram of a horn structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a first structural schematic of an acoustic wave separation structure according to an embodiment of the present invention;
FIG. 4 is a second structural schematic diagram of an acoustic wave separation structure according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a diaphragm according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, the terms "above", "below", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
An embodiment of the present invention provides a horn structure, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, including: the loudspeaker comprises a sound wave separation structure 1 with a cavity and a loudspeaker body, wherein the loudspeaker body is arranged in the cavity.
As shown in fig. 1 and 2, the speaker body includes a frame 21 and a diaphragm 22 fixed on the frame 21, and the diaphragm 22 includes a first vibrating portion, a second vibrating portion and a third vibrating portion disposed between the first vibrating portion and the second vibrating portion. The three vibrating parts vibrate under the action of sound wave signals of different frequency bands.
As shown in fig. 3, the cavity includes a first channel 11 disposed corresponding to the first vibration portion and configured to radiate a first preset frequency band signal, a second channel 12 disposed corresponding to the third vibration portion and configured to radiate a second preset frequency band signal, a third channel 13 disposed corresponding to the second vibration portion and configured to radiate the second preset frequency band signal and a third preset frequency band signal, and a fourth channel 14 configured to radiate the third preset frequency band signal;
the first vibration portion vibrates under the action of the first preset frequency band signal, the third vibration portion vibrates under the action of the second preset frequency band signal, the second vibration portion vibrates under the action of the second preset frequency band signal and the third preset frequency band signal, and the frequency of the first preset frequency band signal, the frequency of the second preset frequency band signal and the frequency of the third preset frequency band signal are different from each other.
Specifically, the frequency of the first preset frequency band signal is greater than the frequency of the second preset frequency band signal, and the frequency of the second preset signal is greater than the frequency of the third preset frequency band signal. The first predetermined frequency band signal may be a high frequency signal, the second predetermined frequency band signal may be an intermediate frequency signal, and the third predetermined frequency band signal may be a low frequency signal.
In the embodiment of the invention, firstly, high-frequency, intermediate-frequency and low-frequency test signals are respectively fed into the loudspeaker, software (such as kelipple software) is used for analyzing and confirming the working state of the loudspeaker and the effective vibration working area of the diaphragm under the high-frequency (such as 2560Hz-5120Hz), intermediate-frequency (such as 160Hz-1280Hz) and low-frequency (such as 40Hz-80Hz) signals respectively, then determining that the main working areas of the vibration of the diaphragm of the loudspeaker in the three different frequency bands are different, and according to the determined working areas of the diaphragm in the different frequency bands, high-frequency, medium-frequency and low-frequency sound wave radiation channels are arranged at corresponding positions of the sound wave separation structure, so that high-frequency, medium-frequency and low-frequency components are radiated through different channels when the loudspeaker works to a greater extent, therefore, when the tone quality of the earphone is debugged, a tone tuning engineer can simply and quickly debug the required tone quality effect.
Further, as shown in fig. 3, the acoustic wave separation structure 1 includes a panel 15 and a first sidewall 16 formed by extending a peripheral edge of the panel 15 toward a first side of the panel 15, wherein the panel 15 and the first sidewall 16 surround to form the cavity.
The central position of the panel 15 is provided with a first cylindrical structure 17, two connecting arms 18 are arranged on the inner side wall of the first cylindrical structure 17, the two connecting arms 18 are symmetrical about the central axis of the first cylindrical structure 17, the first channel 11 is arranged between the two connecting arms 18, the first cylindrical structure 17 is arranged on the second side of the panel 15, and the second side is the side opposite to the first side. Further, the central axis of the first channel 11 coincides with the central axis of the first cylindrical structure 17. The first passage 11 is cylindrical. Specifically, the first cylindrical structure 17 is disposed on the upper surface of the panel 15, and the speaker body is disposed on the lower surface of the panel 15.
In the embodiment of the present invention, the two connecting arms 18 have the same structure and are symmetrically disposed along the central axis of the first cylindrical structure 17, the first channel 11 is sandwiched between the two connecting arms 18, the first channel 11 is cylindrical, and a first predetermined frequency band signal, such as a high frequency band signal, is radiated through the first channel 11.
In this case, the second channel 12 is a space surrounded by the two connecting arms 18, the first cylindrical structure 17, and the first channel 11, and the intermediate frequency signal can be separated through the second channel 12.
Further, as shown in fig. 4, a part of the edge of the first cylindrical structure 17 away from the upper end surface of the panel 15 extends toward the second side of the panel 15 to form an extension, and the connecting arm 18 is formed by extending two opposite ends of the extension toward the central axis direction of the first cylindrical structure 17. The central axis of the first channel 11 coincides with the central axis of the first cylindrical structure 17, and the lower end surface of the first channel 11 and the upper end surface of the first cylindrical structure 17 are located in the same plane. The upper end surface of the first cylindrical structure 17 here refers to the upper end surface before being extended.
In this case, the second channel 12 includes a first sub-channel 121 and a second sub-channel 122;
the space surrounded by the first cylindrical structure 17, the extension part, the two connecting arms 18 and the first channel 11 is the first sub-channel 121;
the space surrounded by the first cylindrical structure 17, the two connecting arms 18 and the first channel 11 is the second sub-channel 122.
Here, the first sub-channel 121 and the second sub-channel 122 can each radiate a second predetermined frequency band signal, such as an intermediate frequency signal, well.
Further, a third channel 13 and a fourth channel 14 are disposed on the panel 15, and the third channel 13 and the fourth channel 14 are disposed on two opposite sides of the first cylindrical structure 17; the third channel 13 is a first arc-shaped opening on the panel 15, and the middle and low frequency signals can be separated through the third channel 23; the fourth channel 14 is formed by the peripheral edge of a second arcuate opening in said panel 15 extending towards a second side of said panel 15; the end surfaces of the two opposite sides of the fourth channel 14 are in an inner horn shape, that is, the cross section of the fourth channel 14 is in an inner horn shape, and a low-frequency signal can be radiated through the fourth channel 14.
Further, as shown in fig. 5, the diaphragm 22 includes a first arc-shaped structure 221 and two second arc-shaped structures 222 respectively disposed on two opposite sides of the first arc-shaped structure 221;
the middle part of the first arc-shaped structure 221 is the first vibration part, and the other parts of the first arc-shaped structure except the middle part are the third vibration parts, wherein the middle part is the parts which are arranged on two sides of the vertex of the first arc-shaped structure and the distance between the middle part and the vertex is smaller than a preset threshold value; two of the second arc structures 222 are the second vibrating portions.
Specifically, by the loss of the fed test signal, the middle portion of the first arc-shaped structure 221 of the diaphragm is the first vibration portion, and the first vibration portion vibrates under the action of the high-frequency band signal, further, the area in the first arc-shaped structure, which is less than or equal to 1mm from the vertex of the first arc-shaped structure, is the first vibration portion, the portion of the first arc-shaped structure 221, except the first vibration portion, is the third vibration portion, and the third vibration portion vibrates under the action of the intermediate-frequency signal, and the two second arc-shaped structures are the second vibration portions and vibrate under the action of the intermediate-frequency signal.
The sound wave separation structure 1 is made of plastic materials, and is formed by injection molding through a mold, and the earphone diaphragm and the basin frame are assembled together to form a loudspeaker body; and assembling the sound wave separation structure and the loudspeaker body by using the cavity to obtain the loudspeaker structure of the embodiment of the invention. The loudspeaker structure provided by the embodiment of the invention can separate and radiate sound wave components of high frequency, medium frequency and low frequency bands of the loudspeaker during working to a greater extent through the specific channel, and a tuning engineer can directly debug sound wanted by each frequency band according to own needs, so that the loudspeaker structure is simple to operate, and the difficulty in designing and debugging cavity sound is greatly reduced.
Embodiments of the present invention also provide a mobile terminal including the speaker structure as described above.
It should be noted that the mobile terminal is a mobile terminal corresponding to the horn structure, and all implementation manners in the above-mentioned horn structure embodiment are applicable to the embodiment of the mobile terminal, and the same technical effect can be achieved.
The loudspeaker structure and the mobile terminal of the embodiment of the invention have the advantages that the loudspeaker body is arranged in the cavity of the sound wave separation structure, a first channel for radiating a first preset frequency band signal is arranged at the position of the cavity corresponding to the first vibrating part, a second channel for radiating a second preset frequency band signal is arranged in the cavity corresponding to the third vibrating part, a third channel for radiating the second preset frequency band signal and a third preset frequency band signal and a fourth channel for radiating the third preset frequency band signal are arranged in the cavity corresponding to the second vibrating part, sound wave signals of different frequency bands can be separated through different channels, thereby enabling the tuning engineer to simply and quickly debug the required tone quality effect according to the separated sound wave signals of different frequency bands, the loudspeaker structure provided by the embodiment of the invention has a simple structure, greatly reduces the manufacturing cost and has high practicability.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (15)
1. A horn structure, comprising:
a sound wave separation structure having a cavity;
the horn body is arranged in the cavity;
the loudspeaker body comprises a basin frame and a vibrating diaphragm fixed on the basin frame, wherein the vibrating diaphragm comprises a first vibrating part, a second vibrating part and a third vibrating part arranged between the first vibrating part and the second vibrating part;
the cavity comprises a first channel, a second channel, a third channel and a fourth channel, wherein the first channel is arranged corresponding to the first vibration part and used for radiating a first preset frequency band signal, the second channel is arranged corresponding to the third vibration part and used for radiating a second preset frequency band signal, the third channel is arranged corresponding to the second vibration part and used for radiating the second preset frequency band signal and a third preset frequency band signal, and the fourth channel is used for radiating the third preset frequency band signal;
the first vibration part vibrates under the action of the first preset frequency band signal, the third vibration part vibrates under the action of the second preset frequency band signal, the second vibration part vibrates under the action of the second preset frequency band signal and the third preset frequency band signal, and the frequency of the first preset frequency band signal, the frequency of the second preset frequency band signal and the frequency of the third preset frequency band signal are different from each other;
the vibrating diaphragm comprises a first arc-shaped structure and two second arc-shaped structures which are respectively arranged on two opposite sides of the first arc-shaped structure;
the middle part of the first arc-shaped structure is the first vibrating part, and the other parts of the first arc-shaped structure except the middle part are the third vibrating parts, wherein the middle part is the parts which are arranged on two sides of the vertex of the first arc-shaped structure and have a distance with the vertex smaller than a preset threshold value;
the two second arc-shaped structures are the second vibrating portions.
2. The horn structure of claim 1, wherein the frequency of the first predetermined frequency band signal is greater than the frequency of the second predetermined frequency band signal, and the frequency of the second predetermined frequency band signal is greater than the frequency of the third predetermined frequency band signal.
3. The horn structure of claim 1, wherein the acoustic separation structure comprises a panel and a first sidewall extending from a peripheral edge of the panel toward a first side of the panel, the panel and the first sidewall surrounding the cavity.
4. The horn structure of claim 3, wherein the panel has a first cylindrical structure at a central position, the first cylindrical structure has two connecting arms on an inner side wall thereof, the two connecting arms are symmetrical along a central axis of the first cylindrical structure, the first channel is disposed between the two connecting arms, and the first cylindrical structure is disposed on a second side of the panel, the second side being opposite to the first side.
5. The horn structure of claim 4, wherein the second channel is a space enclosed by the two connecting arms, the first cylindrical structure and the first channel.
6. The horn structure of claim 4, wherein the central axis of the first passage coincides with the central axis of the first cylindrical structure.
7. The horn structure of claim 4, wherein the first passage is cylindrical.
8. The horn structure of claim 4, wherein a portion of the edge of the first cylindrical structure away from the upper end surface of the panel extends toward the second side of the panel to form an extension, and the connecting arms are formed by two opposite ends of the extension respectively extending toward the central axis of the first cylindrical structure.
9. The horn structure of claim 8, wherein the second channel comprises a first sub-channel and a second sub-channel;
a space surrounded by the first cylindrical structure, the extension part, the two connecting arms and the first channel is the first sub-channel;
the space formed by the first cylindrical structure, the two connecting arms and the first channel in an enclosing mode is the second sub-channel.
10. The horn structure of claim 4, wherein the third and fourth channels are disposed on the panel, and the third and fourth channels are disposed on opposite sides of the first cylindrical structure.
11. The horn structure of claim 10, wherein the third passageway is a first arcuate opening in the panel.
12. The horn structure of claim 10, wherein the fourth channel is formed by a peripheral edge of a second arcuate opening in the panel extending toward the second side of the panel.
13. The horn structure of claim 12, wherein the end surfaces of the fourth channel on opposite sides thereof are inwardly flared.
14. The horn structure of claim 1, wherein the acoustic separation structure is made of plastic.
15. A mobile terminal, characterized in that it comprises a horn structure according to any of claims 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249260.6A CN106937225B (en) | 2017-04-17 | 2017-04-17 | Horn structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249260.6A CN106937225B (en) | 2017-04-17 | 2017-04-17 | Horn structure and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106937225A CN106937225A (en) | 2017-07-07 |
| CN106937225B true CN106937225B (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710249260.6A Active CN106937225B (en) | 2017-04-17 | 2017-04-17 | Horn structure and mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN106937225B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525913A (en) * | 2019-01-28 | 2019-03-26 | 维沃移动通信有限公司 | A kind of Headphone structure and terminal |
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|---|---|---|---|---|
| CN1109669A (en) * | 1994-03-31 | 1995-10-04 | 李代繁 | Full spectrum electroacoustic enery transducer |
| CN202565444U (en) * | 2012-03-19 | 2012-11-28 | 汤卓勋 | Three-frequency-division coaxial earphone |
| CN104105025A (en) * | 2014-07-02 | 2014-10-15 | 音品电子（深圳）有限公司 | Trumpet structure with integrated active loudspeaker and passive radiator, and sound box |
| CN104244151A (en) * | 2013-06-21 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | Loudspeaker |
| CN105050008A (en) * | 2014-04-19 | 2015-11-11 | 刘彦雄 | Full frequency speaker with parasitic diaphragms |
| CN106303805A (en) * | 2016-08-08 | 2017-01-04 | 上海安费诺永亿通讯电子有限公司 | Broadband sound chamber module |
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2017
- 2017-04-17 CN CN201710249260.6A patent/CN106937225B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109669A (en) * | 1994-03-31 | 1995-10-04 | 李代繁 | Full spectrum electroacoustic enery transducer |
| CN202565444U (en) * | 2012-03-19 | 2012-11-28 | 汤卓勋 | Three-frequency-division coaxial earphone |
| CN104244151A (en) * | 2013-06-21 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | Loudspeaker |
| CN105050008A (en) * | 2014-04-19 | 2015-11-11 | 刘彦雄 | Full frequency speaker with parasitic diaphragms |
| CN104105025A (en) * | 2014-07-02 | 2014-10-15 | 音品电子（深圳）有限公司 | Trumpet structure with integrated active loudspeaker and passive radiator, and sound box |
| CN106303805A (en) * | 2016-08-08 | 2017-01-04 | 上海安费诺永亿通讯电子有限公司 | Broadband sound chamber module |
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| CN106937225A (en) | 2017-07-07 |
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