WO2020000443A1 - 一种扬声器以及移动终端 - Google Patents

一种扬声器以及移动终端 Download PDF

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Publication number
WO2020000443A1
WO2020000443A1 PCT/CN2018/093848 CN2018093848W WO2020000443A1 WO 2020000443 A1 WO2020000443 A1 WO 2020000443A1 CN 2018093848 W CN2018093848 W CN 2018093848W WO 2020000443 A1 WO2020000443 A1 WO 2020000443A1
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WO
WIPO (PCT)
Prior art keywords
core
rear chamber
chamber
speaker
cover plate
Prior art date
Application number
PCT/CN2018/093848
Other languages
English (en)
French (fr)
Inventor
秦仁轩
李诗哲
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BR122021010969-9A priority Critical patent/BR122021010969B1/pt
Priority to BR112020026273-0A priority patent/BR112020026273A2/pt
Priority to PCT/CN2018/093848 priority patent/WO2020000443A1/zh
Priority to EP18924209.2A priority patent/EP3793215B1/en
Priority to CN201880063529.4A priority patent/CN111149371B/zh
Priority to ES18924209T priority patent/ES2943484T3/es
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to US17/256,370 priority patent/US11330363B2/en
Priority to RU2021101290A priority patent/RU2763813C1/ru
Priority to KR1020207037502A priority patent/KR102460785B1/ko
Priority to JP2020567081A priority patent/JP7036406B2/ja
Publication of WO2020000443A1 publication Critical patent/WO2020000443A1/zh
Priority to US17/718,006 priority patent/US11622189B2/en

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Classifications

    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for 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
    • H04R9/022—Cooling arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
    • 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
    • H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms

Definitions

  • the present application relates to the technical field of audio equipment, and in particular, to a speaker and a mobile terminal.
  • FIG. 1 shows a top view of a speaker in the prior art
  • FIG. 2 shows an exploded schematic view of the speaker
  • FIG. 3 shows a cross-sectional view taken along AA in FIG. 1.
  • a cross-sectional view of BB in FIG. 1 is shown.
  • the speaker includes three components, namely, a core 2, an upper cover 3, and a lower cover 4.
  • the upper cover 3 and the lower cover 4 are sealed into a shell 1, and the core 2 is disposed in Inside the housing 1, a front cavity 5 and a rear cavity 6 are formed in the housing 1, wherein the front cavity 5 forms a cavity surrounded by the lower cover 4 and the core 2 unit to form a sound passage, and directly through the sound mouth Connect with the outside world.
  • the back cavity 6 passes through the closed cavity surrounded by the upper cover 3, the inner core 2 and the lower cover 4 to form an air flow circuit inside the cavity.
  • the rear cavity 6 needs a certain volume to meet the performance index F0 & frequency response. As shown in FIGS. 1 and 3, the front cavity 5 and the rear cavity 6 are arranged side by side.
  • a coordinate system XYZ is established, where the XY plane is the placement surface of the speaker, and the Z direction is the thickness direction of the speaker.
  • the front cavity 5 and the rear cavity 6 in the prior art are arranged side by side on the XY plane, thereby causing the entire speaker to occupy a larger area in the mobile terminal.
  • the present application provides a speaker and a mobile terminal, which are used to reduce the area occupied by the speaker in the mobile terminal, thereby improving the space utilization rate in the mobile terminal.
  • a speaker includes a housing and a core.
  • the housing includes a side frame, an upper cover, and a lower cover disposed opposite the upper cover.
  • the cover plate and the lower cover plate are used to block two openings of the side frame.
  • a partition is also provided in the core, and the core is provided between the upper cover plate and the partition.
  • the core and the partition are stacked in the thickness direction of the core; and when the cavity is formed, the core and The partition wall and the side wall of the side frame surround the front chamber, and a sound outlet that communicates with the front chamber is provided on the side wall of the side frame; in addition, the upper cover, the side wall of the inner core, and the side frame of the side frame
  • the first rear chamber is enclosed, and the lower cover plate, the side wall of the side frame and the partition wall surround the second rear chamber.
  • the first rear chamber is in air-conducting communication with the second rear chamber.
  • the first rear chamber, the front chamber, and the second rear chamber are along the thickness direction of the inner core. Cascading settings. Therefore, the space of the entire speaker in the thickness direction of the core is used to set the rear cavity, so as to reduce the area occupied by the entire speaker in the mobile terminal on the premise that the size of the rear cavity meets the requirements.
  • the first rear chamber is arranged around the inner core.
  • the first rear chamber may be a U-shaped or annular chamber.
  • a first through hole is provided, the first through hole communicates the front chamber with the rear chamber, and the hole is covered with a ventilating and water-repellent film layer to achieve ventilation and prevent water from entering the rear chamber.
  • the partition is a thermally conductive partition, such as a metal partition, specifically a partition made of different metal materials such as a copper partition and an aluminum partition, so that the heat in the rear chamber can be passed through the partition. After the board is transmitted to the front chamber, it is emitted, which improves the heat dissipation effect of the entire speaker.
  • the above-mentioned casing may also adopt an integrated structure.
  • the upper cover plate, the lower cover plate, and the side frame are an integrated structure.
  • a step structure for clamping the core is provided on the side frame, and the step structure is provided with a second through hole, and the second through hole conducts air.
  • the first rear chamber and the second rear chamber are communicated, so that the first rear chamber and the second rear chamber form a communicating chamber.
  • the number of the second through holes is two, and the two second through holes are arranged on two sides of the core.
  • the upper cover In order to reduce the size of the speaker in the thickness direction of the core, when the upper cover is provided, the upper cover is provided with a third through hole for receiving the core. When the kernel is installed, this third through hole is nested into the kernel.
  • sound-absorbing particles are arranged in the second rear cavity, and the second through hole is provided with a screen to prevent the sound-absorbing particles from entering the first rear cavity.
  • the screen can be any screen capable of providing a barrier effect, such as a gauze screen and a metal screen.
  • a speaker includes a casing and a core located in the casing, and the casing has a front chamber and a rear chamber.
  • the front chamber is in communication with the outside, and the rear chamber is An isolated cavity, and in order to reduce the space occupied by the entire speaker, when the front cavity and the rear cavity are set, the front cavity and the rear cavity are stacked, specifically in the thickness direction of the core.
  • the front chamber and the rear chamber are at least partially laminated. Therefore, the space of the entire speaker in the thickness direction of the core is used to set the rear cavity, so as to reduce the area occupied by the entire speaker in the mobile terminal on the premise that the size of the rear cavity meets the requirements.
  • the rear chamber When the rear chamber is specifically set, the rear chamber is divided into two parts, namely a first rear chamber and a second rear chamber, and the first rear chamber communicates with the second rear chamber;
  • the first rear chamber and the second rear chamber are provided, the first rear chamber, the front chamber, and the second rear chamber are arranged in a stack along the thickness direction of the inner core. Therefore, the size of the speaker in the thickness direction of the core is used to the maximum, the area occupied by the speaker in the mobile terminal is reduced, and the space utilization rate in the mobile terminal is improved.
  • the first rear chamber is arranged around the inner core.
  • the first rear chamber is arranged around the inner core.
  • the first rear chamber may be a U-shaped or annular chamber.
  • the casing includes a side frame, an upper cover plate, and a lower cover plate opposite to the upper cover plate.
  • the partition wall and the side wall of the side frame surround the front chamber, and a sound outlet that communicates with the front chamber is provided on the side wall of the side frame; the upper cover plate and the inner core;
  • the side wall of the side frame and the side frame of the side frame surround the first rear chamber; the lower cover plate, the side wall of the side frame and the partition wall form the second rear chamber.
  • a first through hole is provided, the first through hole communicates the front chamber with the rear chamber, and the hole is covered with a ventilating and water-repellent film layer to achieve ventilation and prevent water from entering the rear chamber.
  • the partition is a thermally conductive partition, such as a metal partition, specifically a partition made of different metal materials such as a copper partition and an aluminum partition, so that the heat in the rear chamber can be passed through the partition After the board is transmitted to the front chamber, it is emitted, which improves the heat dissipation effect of the entire speaker.
  • a thermally conductive partition such as a metal partition, specifically a partition made of different metal materials such as a copper partition and an aluminum partition
  • the above-mentioned casing may also adopt an integrated structure.
  • the upper cover plate, the lower cover plate, and the side frame are an integrated structure.
  • the upper cover In order to reduce the size of the speaker in the thickness direction of the core, when the upper cover is provided, the upper cover is provided with a third through hole for receiving the core. When the kernel is installed, this third through hole is nested into the kernel.
  • a step structure for clamping the core is provided on the side frame, and the step structure is provided with a second through hole, and the second through hole conducts air. Communicate with the first rear chamber and the second rear chamber.
  • the number of the second through holes is two, and the two speakers are arranged on two sides of the core.
  • sound-absorbing particles are arranged in the second rear chamber.
  • a screen is provided on the second through hole.
  • the screen can be any screen that can play a blocking effect, such as a gauze screen or a metal screen.
  • a mobile terminal includes the speaker according to any one of the foregoing.
  • the speaker is at least partially laminated in a thickness direction of the inner core. Therefore, the space of the entire speaker in the thickness direction of the core is used to set the rear cavity, so as to reduce the area occupied by the entire speaker in the mobile terminal on the premise that the size of the rear cavity meets the requirements.
  • the mobile terminal includes a middle frame, a main board disposed in the middle frame, and a sensor component; wherein,
  • a notch is provided on the main board to avoid the sensor component and the speaker.
  • the speaker is located at the top end inside the middle frame or the bottom end inside the middle frame.
  • FIG. 1 is a schematic structural diagram of a speaker in the prior art
  • FIG. 2 is an exploded schematic view of a speaker in the prior art
  • FIG. 3 is a sectional view at A-A in FIG. 1;
  • FIG. 4 is a sectional view at B-B in FIG. 1;
  • FIG. 5 is a top view of a speaker according to an embodiment of the present application.
  • FIG. 6 is a cross-sectional view at C-C in FIG. 5;
  • FIG. 7 is a cross-sectional view at D-D in FIG. 5;
  • FIG. 8 is an exploded schematic view of a speaker according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of another speaker according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of another speaker according to an embodiment of the present application.
  • FIG. 11 is a cross-sectional view at E-E in FIG. 10;
  • FIG. 12 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of another mobile terminal according to an embodiment of the present application.
  • the speaker is applied inside a mobile terminal, and the mobile terminal may be a common mobile terminal such as a mobile phone, a tablet computer, and a notebook computer. And the speaker can be applied to mobile terminals using single speakers and dual speakers.
  • a coordinate system is established, in which the XY plane is the plane on which the speaker is placed when it is placed in the mobile terminal, and the Z direction is the thickness direction of the speaker and also the thickness direction of the core.
  • the cascading in the embodiments of the present application refers to the fact that two components at least partially overlap, that is, a vertical projection of one component on the placement surface of the other component and another component on the placement surface thereof.
  • the two parts can overlap either partially or completely.
  • the size of the two stacked members is not limited herein.
  • an embodiment of the present application provides a speaker.
  • the speaker includes a casing 10 and a core 20.
  • the casing 10 specifically includes a side frame 12, an upper cover plate 11, and a lower cover plate 13 opposite to the upper cover plate 11.
  • the side frame 12 is a frame-shaped structure with openings at both ends, and the upper cover plate 11 and the lower cover plate 13 respectively cover an opening and surround the casing 10 together with the side frame 12.
  • the side frame 12 shown in FIG. 8 adopts a rectangular frame structure, but it should be understood that the side frame 12 provided in the embodiment of the present application is not limited to a rectangle, and may also adopt other different structures such as a circle and a polygon. In the case 10 shown in FIG. 8, only the rectangular side frame 12 is used as an example for description.
  • the upper cover plate 11 and the lower cover plate 13 are respectively located on both sides of the side frame 12 and block the openings on the side frame 12 to form the casing 10.
  • the upper cover plate 11 and the lower cover plate 13 may be fixedly connected to the side frame 12 through adhesive or other connection methods.
  • the housing is not limited to the structure composed of the above-mentioned components, and an integrated structure may also be adopted.
  • the upper cover plate 11, the lower cover plate 13, and the side frame 12 are integrally formed.
  • a partition plate 14 is provided in the casing 10. As shown in FIG. 8, the partition 14 is fixedly connected to the side wall of the side frame 12. When the core 20 is disposed in the casing 10, the core 20 and the partition 14 are stacked in a direction along the thickness of the core 20, and The core 20 is disposed between the upper cover plate 11 and the partition plate 14.
  • an inner convex side structure 122 is provided on the inner side wall of the side frame 12.
  • the inner wall of the side frame 12 is convex outward to form an annular protrusion, and the stepped structure 122 is formed on the protrusion.
  • the core 20 is placed in the side frame 12, the core 20 is stuck on the step structure 122.
  • the partition 14 is also fixedly connected to the convex structure and is located below the core 20 (taking the speaker placement direction shown in FIG. 6 as a reference direction). As can be seen from FIG. 6 and FIG.
  • a gap is formed between the inner core 20 and the partition plate 14, and the gap is the front chamber 50.
  • the chamber 50 is surrounded by the core 20 and the side walls of the partition 14 and the side frame 12.
  • a sound outlet 123 communicating with the front chamber 50 is provided on the side wall of the side frame 12. The sound emitted by the core 20 is transmitted to the outside along the path of the front cavity 50-outlet. Specifically, reference may be made to the sound wave propagation path shown by the arrowed straight line in FIG. 6.
  • the height of the convex structure provided on the side frame 12 may be limited.
  • the height of the convex structure defines the distance in the Z direction of the core 20 and the partition plate 14, that is, the height of the convex structure is limited.
  • the height of the front chamber 50 is specifically limited.
  • the first rear chamber 30 is surrounded by the upper cover plate 11, the sidewall of the inner core 20 and the sidewall of the side frame 12.
  • the first rear cavity 30 is formed as an annular space.
  • the first rear chamber 30 may also be a U-shaped chamber surrounding the core 20, or may also be two independent spaces juxtaposed, and the two independent spaces are arranged on both sides of the core, or It can also be an annular chamber.
  • FIG. 7 shows a schematic diagram of sound wave flow in the rear cavity.
  • a second through hole 121 is provided on one side of the stepped structure 122, and the second through-hole 121 is in air-conductive communication.
  • the first rear chamber 30 and the second rear chamber 40 are shown in FIG. 7 and FIG.
  • the number of the second through-holes 121 is two, and the two second through-holes 121 are arranged on both sides of the core 20, and during installation, in order to avoid the front chamber 50 When set, the second through hole 121 is also located on both sides of the front chamber 50.
  • the number of the second through holes 121 is multiple, and the plurality of second through holes are arranged in two rows and arranged on both sides of the core 20.
  • the number of the second through holes 121 is one, and one second through hole is disposed around the core 20.
  • FIG. 6 when the first rear chamber 30, the front chamber 50, and the second rear chamber 40 are provided, as shown in FIG. 6, the first rear chamber 30, the front chamber 50, and the second The rear chambers 40 are stacked in the Z direction, and there is a partial overlap between the three.
  • the arrangement of the front chamber and the rear chamber is not limited to the above-mentioned manner, and other manners may also be adopted.
  • FIG. 10 and FIG. 11 another arrangement manner of the rear chamber and the front chamber is shown.
  • FIG. 10 shows another speaker provided by the embodiment of the present application
  • FIG. 11 shows FIG. 10. Sectional view at EE. As can be seen from FIG.
  • the rear chamber 60 adopts an integrated structure, and the front chamber 50 and the rear chamber 60 are separated by the inner core 20, and the rear chamber 60 is located above the inner core 20 (Z upward).
  • the front chamber 50 is located below the core 20, that is, the front chamber 50 is isolated from the rear chamber 60 by the core 20.
  • the rear chamber 60 is isolated from the front chamber 50.
  • FIG. 3 shows the width of the speaker in the prior art in the X direction
  • FIG. 7 shows the speaker provided in the embodiment of the present application in the X direction.
  • the width of the speaker in the prior art mainly includes two sizes, the width of the front cavity 5 and the width of the rear cavity 6.
  • the first The rear chamber 30 is disposed around the inner core 20, and the first rear chamber 30 and the second rear chamber 40 are located on both sides of the front chamber 50, respectively.
  • the space area of the first rear chamber 30 is much smaller than the space area of the second rear chamber 40. Therefore, the width in the X direction is mainly the width of the front chamber 50.
  • the size of the speaker provided in the embodiment of the present application in the X direction is much smaller than that of the speaker in the prior art.
  • the speaker provided in the embodiment of the present application is similar in size to the speaker in the prior art in the Y direction. Therefore, the rear cavity and the front cavity are adopted.
  • the room 50 is partially laminated, the area occupied by the speakers on the XY plane can be greatly reduced, thereby improving the space utilization of the mobile terminal.
  • the upper cover plate 11 in order to reduce the thickness increased in the Z direction, when the upper cover plate 11 is provided, as shown in FIG. 8, the upper cover plate 11 is provided with a third through hole 111 that accommodates the core 20.
  • the third through hole 111 is nested in the kernel 20.
  • the side wall of the third through hole 111 is sealed with the inner core 20 by a sealant or other seals.
  • the sound quality effect of the speaker can also be improved.
  • the speaker when the sound film of the core 20 is vibrated, it is easy to cause resonance in the side wall of the front chamber 50 facing the sound film in the core 20, and in the speaker shown in FIG. 3, its direction
  • the side wall of the sound film is located on the housing 1.
  • the side wall needs to be connected to other components (such as the motherboard or the frame) in the mobile terminal. This will cause the components that fix the speaker to resonate together, which will Noise affects the sound quality of the speaker.
  • a side wall of the front chamber 50 facing the sound film in the speaker is a partition 14, and the partition 14 is divided by the front chamber 50 and the second rear chamber. It is surrounded by 40 and is isolated by the housing 10. Therefore, when the partition 14 is affected by the sound film to generate resonance, it will not cause resonance of components outside the speaker, avoiding noise generated by the speaker when it sounds, thereby improving the speaker Sound quality effect.
  • the front chamber 50 communicates with the outside through the sound outlet 123, and the rear chamber is a relatively closed space.
  • the rear chamber is relatively closed, this will cause the air pressure in the rear chamber to change, which will cause the air pressure on both sides of the sound film to become unbalanced and polarization will occur. It is easy to generate noise and affect the sound quality of the speaker.
  • a first through hole 141 is provided on the partition plate 14. As shown in FIG. 8, the first through hole 141 is a circular through hole.
  • the first through hole 141 can communicate the front chamber 50 and the rear chamber.
  • the first through hole 141 can be used to maintain the pressure in the front chamber 50 and the rear chamber. Balance to avoid polarization of the sound film and improve the sound quality of the speaker.
  • the first through hole 141 is The waterproof and breathable membrane 16 is provided, so that the gas exchange between the front chamber 50 and the rear chamber can be achieved, and the external water vapor can be prevented from entering the rear chamber to adversely affect the entire speaker.
  • the circular first through hole 141 shown in FIG. 8 is only an example, and the first through hole 141 provided in the embodiment of the present application may use holes of different shapes, such as different shapes such as a rectangle and an oval. shape.
  • the front cavity When the speaker is working, heat is inevitably generated.
  • the front cavity When dissipating heat, the front cavity can be directly radiated to the outside through the sound outlet.
  • the rear cavity the rear cavity in the prior art is completely inside the mobile terminal. Its heat dissipation completely relies on the heat dissipation components of the mobile terminal for heat dissipation, resulting in a large loss of power consumption.
  • the front chamber 50 can be used to dissipate the heat. Specifically, when the partition 14 is specifically provided, heat conduction is used.
  • Partitions 14 such as metal partitions, such as: copper partitions, aluminum partitions and other partitions 14 made of different metal materials, so that the heat in the rear chamber can be transmitted to the front chamber 50 through the partition 14 and emitted, The heat dissipation effect of the speaker is improved, and the power consumption of the entire mobile terminal can be reduced.
  • a sound absorbing particle 70 is provided in the second rear chamber 40, thereby reducing the F0 index under the same cavity (F0 refers to the first speaker impedance curve
  • F0 refers to the first speaker impedance curve
  • the frequency corresponding to the maximum value, a smaller F0 will bring better low-frequency sensitivity), which will bring better sound quality, frequency response, and reduction to improve the sound quality of the speaker.
  • the second through hole 121 is provided with a screen 15 for isolation, and the screen 15 may be different
  • the screen 15 made of materials, such as a gauze screen and a metal screen, can be any screen capable of providing a barrier effect.
  • the pore diameter of the screen 15 should be smaller than the diameter of the sound absorbing particles 70 to achieve the effect of isolation.
  • the cavity can meet the structure of reducing the area occupied by the entire speaker in the mobile terminal under the premise of ensuring that the size of the rear cavity meets the requirements, and can be applied to the speaker provided in the embodiment of the present application.
  • the embodiment of the present application further provides a mobile terminal, and the mobile terminal may be a common mobile terminal such as a mobile phone, a tablet computer, and a notebook computer. And the mobile terminal includes any one of the speakers 100 described above.
  • the mobile terminal includes any one of the speakers 100 described above.
  • the mobile terminal includes a speaker 100, a main board 400, and a sensor assembly 200.
  • the above-mentioned components are stacked on the middle frame 300 of the mobile terminal by screws, buckles, or adhesive, and the main board 400 Notches are provided to avoid the sensor assembly 200 and the speaker 100.
  • the stackable area of the middle frame 300 is constant, the available space of each device affects each other.
  • the speaker 100 adopts a chamber stacking method, the space area occupied by the chamber is reduced, and the sensor assembly 200 can be disposed on the central axis of the mobile terminal, and the main board 400 can be enlarged. area.
  • the arrangement manner of the main board 400, the speaker 100, and the sensor assembly 200 is: the sensor assembly 200, the main board 400, and the speaker 100 .
  • this arrangement is adopted, the area occupied by the speaker 100 is reduced, so that the area of the motherboard 400 can be increased, and the space utilization rate in the entire mobile terminal can be improved.
  • FIG. 12 and FIG. 13 show a case where the speaker 100 is located at the top of the mobile terminal.
  • the speaker 100 is located at the bottom of the mobile terminal, the effect of improving the utilization rate of the mobile terminal can also be achieved.
  • FIG. 13 when the speaker 100 is disposed at the bottom of the mobile terminal, the area occupied by the speaker 100 is reduced, so that the area of the motherboard 400 can be increased, and the utilization rate of the space in the mobile terminal can be improved.

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Abstract

本申请提供了一种扬声器以及移动终端，该扬声器包括壳体及位于所述壳体内的内核，所述壳体内具有前腔室和后腔室；其中，前腔室与外部连通，后腔室为一个隔离的腔室，并且为了降低整个扬声器占用的空间面积，在设置前腔室与后腔室时，采用前腔室与后腔室层叠的方式设置，具体为在沿所述内核的厚度方向上，所述前腔室及所述后腔室至少层叠。从而利用整个扬声器在内核厚度方向上的空间来设置后腔室，以满足在保证后腔室大小满足需求的前提下，减少整个扬声器在移动终端内占用的面积。

Description

一种扬声器以及移动终端 技术领域
本申请涉及到音响设备技术领域，尤其涉及到一种扬声器以及移动终端。
背景技术
基于用户生活品质的提高，越来越追求视听的极致享受，这对于手机在有限的空间内如何集成化更优质的SPK，以及双SPK形成立体声，是一个非常迫切的需求。普通手机为一个SPK扬声器(喇叭)+一个REC受话器(听筒)组成。如图1～图4所示，其中，图1示出了现有技术中的扬声器的俯视图，图2示出了扬声器的分解示意图，图3示出了图1中的A-A的剖视图，图4示出了图1中的B-B的剖视图。由图1及图2可以看出，该扬声器包括分别由内核2，上盖3，下盖4三个部件，其中，上盖3及下盖4封合成一个壳体1，内核2设置在了该壳体1内，并且在壳体1内形成了前腔5和后腔6，其中，前腔5通过下盖4与内核2单元围成的腔体，形成发音通路，并通过发音口直接与外界相连。后腔6通过上盖3，内核2与下盖4围成的密闭腔体，形成腔体内部气流回路。后腔6需要一定的体积来满足性能指标F0&频响。如图1及图3所示，前腔5与后腔6并排排列。为了方便描述，建立坐标系XYZ，其中，XY平面为扬声器的放置面，Z方向为扬声器的厚度方向。由图3可以看出，现有技术中的前腔5及后腔6在XY平面上并排排列，从而造成整个扬声器在移动终端内占用的面积较大。
发明内容
本申请提供了一种扬声器以及移动终端，用于降低扬声器在移动终端内占用的面积，进而提高移动终端内的空间利用率。
第一方面，提供了一种扬声器，该扬声器包括一个壳体以及内核；其中，所述壳体包括侧框，上盖板，以及与所述上盖板相对设置的下盖板；其中，上盖板及下盖板用于封堵侧框的两个开口。该内核内还设置了一个隔板，并且，内核设置在了上盖板与隔板之间，其中，沿内核的厚度方向上，内核以及隔板层叠设置；并且在形成腔室时，内核与隔板以及侧框的侧壁围成前腔室，并且侧框的侧壁上设置有与该前腔室连通的出音口；此外，上盖板、内核的侧壁以及侧框的侧壁围成第一后腔室，下盖板、所述侧框的侧壁以及隔板围成第二后腔室，其中，第一后腔室与第二后腔室导气连通。在具体形成前腔室、第一后腔室及第二后腔室中，沿所述内核的厚度方向上，所述第一后腔室、所述前腔室及所述第二后腔室层叠设置。从而利用整个扬声器在内核厚度方向上的空间来设置后腔室，以满足在保证后腔室大小满足需求的前提下，减少整个扬声器在移动终端内占用的面积。
在具体设置第一后腔室时，该第一后腔室环绕内核设置。其中，该第一后腔室可以为U形或环形的腔室。
在扬声器受力产生形变时，会导致后腔室变化，从而带来气压的变化，内核中音 膜两侧的气压失衡，从而出现偏振，使得扬声器产生杂音，为了改善该情况，在隔板上设置一个第一通孔，该第一通孔将前腔室与后腔室连通，并且在该孔上覆盖有通气隔水膜层，以达到可以通气并避免水进入到后腔室。
在具体设置该隔板时，隔板为导热隔板，如金属隔板，具体的可以为铜隔板、铝隔板等不同金属材质制作的隔板，从而可以将后腔室内的热量通过隔板传递到前腔室后散发出去，提高了整个扬声器的散热效果。
上述的壳体还可以采用一体结构，在一个具体的实施方案中，所述上盖板、下盖板及所述侧框为一体结构。
为了使得内核在设置时可以稳固的固定，在所述侧框上设置了用于卡装所述内核的台阶结构，且所述台阶结构设置有第二通孔，所述第二通孔导气连通所述第一后腔室及所述第二后腔室，从而将第一后腔室与第二后腔室形成一个连通的腔室。
在具体设置时，该第二通孔的个数为两个，且所述两个第二通孔分列在所述内核的两侧。
为了减少在扬声器在内核厚度方向上的尺寸，在设置上盖板时，该上盖板上设置有容纳所述内核的第三通孔。在安装内核时，该第三通孔嵌套到内核上。
为了更好的提高扬声器的音质，在第二后腔室内设置了吸音颗粒，且第二通孔上设置有隔网，以避免该吸音颗粒进入到第一后腔室内。该隔网可以为纱网、金属网等任意能够起到阻隔效果的网。
第二方面，提供了一种扬声器，该扬声器包括壳体，以及位于壳体内的内核，并且所述壳体内具有前腔室和后腔室；其中，前腔室与外部连通，后腔室为一个隔离的腔室，并且为了降低整个扬声器占用的空间面积，在设置前腔室与后腔室时，采用前腔室与后腔室层叠的方式设置，具体为在沿所述内核的厚度方向上，所述前腔室及所述后腔室至少部分层叠。从而利用整个扬声器在内核厚度方向上的空间来设置后腔室，以满足在保证后腔室大小满足需求的前提下，减少整个扬声器在移动终端内占用的面积。
在具体设置该后腔室时，将该后腔室划分成了两部分，分别为第一后腔室以及第二后腔室，并且第一后腔室与第二后腔室连通；在具体设置第一后腔室及第二后腔室时，沿所述内核的厚度方向，所述第一后腔室、所述前腔室及所述第二后腔室层叠设置。从而最大限度的利用了扬声器在内核厚度方向上的尺寸，减少扬声器在移动终端内占用的面积，进而提高移动终端内的空间利用率。
其中，第一后腔室环绕内核设置。在具体设置第一后腔室时，该第一后腔室环绕内核设置。其中，该第一后腔室可以为U形或环形的腔室。
在具体形成前腔室及后腔室时，是采用以下结构来形成的，该壳体包括侧框，上盖板，以及与所述上盖板相对设置的下盖板；所述壳体内设置有隔板，所述内核设置在所述上盖板与所述隔板之间；其中，沿所述内核的厚度方向上，所述内核及所述隔板层叠设置；所述内核与所述隔板，以及所述侧框的侧壁围成所述前腔室，所述侧框的侧壁上设置有与所述前腔室连通的出音口；所述上盖板、所述内核的侧壁及所述侧框的侧壁围成所述第一后腔室；所述下盖板、所述侧框的侧壁及所述隔板围成所述第二后腔室。通过上述描述可以看出，该隔板介于前腔室与第二后腔室之间，因此，可以有效的隔绝隔板在扬声器工作时产生的共振给移动终端内其他部件带来的影响。
在扬声器受力产生形变时，会导致后腔室变化，从而带来气压的变化，内核中音膜两侧的气压失衡，从而出现偏振，使得扬声器产生杂音，为了改善该情况，在隔板上设置一个第一通孔，该第一通孔将前腔室与后腔室连通，并且在该孔上覆盖有通气隔水膜层，以达到可以通气并避免水进入到后腔室。
在具体设置该隔板时，隔板为导热隔板，如金属隔板，具体的可以为铜隔板、铝隔板等不同金属材质制作的隔板，从而可以将后腔室内的热量通过隔板传递到前腔室后散发出去，提高了整个扬声器的散热效果。
上述的壳体还可以采用一体结构，在一个具体的实施方案中，所述上盖板、下盖板及所述侧框为一体结构。
为了减少在扬声器在内核厚度方向上的尺寸，在设置上盖板时，该上盖板上设置有容纳所述内核的第三通孔。在安装内核时，该第三通孔嵌套到内核上。
为了使得内核在设置时可以稳固的固定，在所述侧框上设置了用于卡装所述内核的台阶结构，且所述台阶结构设置有第二通孔，所述第二通孔导气连通所述第一后腔室及所述第二后腔室。
在具体设置第二通孔时，所述第二通孔的个数为两个，且所述两个扬声器分列在所述内核的两侧。
为了更好的提高扬声器的音质，在第二后腔室内设置了吸音颗粒。以提高该扬声器的音质效果。且第二通孔上设置了隔网。以及避免该吸音颗粒进入到第一后腔室内，该隔网可以为纱网、金属网等任意能够起到阻隔效果的网。
第三方面，提供了一种移动终端，该移动终端包括上述任一项所述的扬声器。该扬声器在沿所述内核的厚度方向上，所述前腔室及所述后腔室至少部分层叠。从而利用整个扬声器在内核厚度方向上的空间来设置后腔室，以满足在保证后腔室大小满足需求的前提下，减少整个扬声器在移动终端内占用的面积。
该移动终端包括中框，以及设置在所述中框内的主板，还包括传感器组件；其中，
所述主板上设置有避让所述传感器组件及所述扬声器的缺口。
在具体设置该扬声器时，所述扬声器位于所述中框内部顶端或所述中框内部的底端。
附图说明
图1为现有技术中扬声器的结构示意图；
图2为现有技术中扬声器的分解示意图；
图3为图1中A-A处的剖视图；
图4为图1中B-B处的剖视图；
图5为本申请实施例提供的扬声器的俯视图；
图6为图5中C-C处的剖视图；
图7为图5中D-D处的剖视图；
图8为本申请实施例提供的扬声器的分解示意图；
图9为本申请实施例提供的另一种扬声器的结构示意图；
图10为本申请实施例提供的另一种扬声器的结构示意图；
图11为图10中E-E处的剖视图；
图12为本申请实施例提供的移动终端的结构示意图；
图13为本申请实施例提供的另一种移动终端的结构示意图。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述。
为了方便理解本申请实施例提供的扬声器，首先说明一下扬声器应用的场景。该扬声器应用于移动终端内部，该移动终端可以为手机、平板电脑、笔记本电脑等常见的移动终端。并且该扬声器可以应用到采用单扬声器及双扬声器的移动终端中。
为了方便描述本申请实施例中的结构，建立了一个坐标系，其中，XY平面为扬声器设置在移动终端内时的放置面所在的平面，Z方向为扬声器的厚度方向，也是内核的厚度方向。
首先需要说明的是，在本申请实施例中出现的层叠，是指两个部件至少部分重叠，即在其中的一个部件在另一个部件的放置面上的垂直投影与另一个部件在其放置面上的垂直投影至少部分重叠。两个部件之间既可以部分重叠，也可以完全重叠。而对于层叠的两个部件的尺寸在此不进行限定。
如图5所示，本申请实施例提供了一种扬声器，该扬声器包括一个壳体10以及内核20。
一并参考图6～图8，该壳体10具体包括侧框12、上盖板11以及与该上盖板11相对的下盖板13。其中，侧框12为一个两端具有开口的框形结构，并且上盖板11及下盖板13分别覆盖在一个开口并与侧框12一起围成壳体10。在图8中所示的侧框12采用一个长方形的框体结构，但是应当理解的是，本申请实施例提供的侧框12不仅限于长方形，还可以采用其他的圆形、多边形等不同的结构，在图8所示的壳体10中仅以长方形的侧框12为例进行说明。
在设置上盖板11及下盖板13时，上盖板11及下盖板13分别位于侧框12的两侧并封堵侧框12上的开口，以形成壳体10。在上盖板11及下盖板13封堵侧框12的开口时，可以通过粘接胶或者其他的连接方式将上盖板11及下盖板13分别与侧框12固定连接。
可替代的，该壳体不仅限于上述的几个部件组成的结构，还可以采用一体结构，此时，上盖板11、下盖板13及侧框12为一体成型的结构。
继续参考图6～图8，在壳体10内设置了一个隔板14。如图8中所示，该隔板14与侧框12的侧壁固定连接，在内核20设置在壳体10内时，内核20以及隔板14在沿内核20厚度的方向上层叠设置，并且内核20设置在上盖板11与隔板14之间。
一并参考图6～图8，为了固定内核20，该侧框12的内侧壁设置了一个外凸的台阶结构122。在形成该台阶结构122时，侧框12的内壁朝向侧框12内部外凸形成一个环形的凸起，并且在该凸起上形成台阶结构122。在内核20放置到侧框12内时，该内核20卡装在台阶结构122上。此外，在设置上述的隔板14时，该隔板14也与该凸起结构固定连接，并位于内核20的下方(以图6所示的扬声器的放置方向为参考方向)。由图6及图7可以看出，在将内核20与隔板14分别与壳体10固定好后，内核20与隔板14之间间隔一个间隙，该间隙为前腔室50，该前腔室50由内核20与隔板 14及侧框12的侧壁围成。此外，在侧框12的侧壁上还设置了一个与前腔室50连通的出音口123。内核20发出的声沿前腔室50-出音口的路径传播到外界，具体的，可以参考图6中的带箭头的直线所示的声波传播的路径。
在具体限定前腔室50的高度时，可以通过设置在侧框12上的凸起结构的高度进行限定，该凸起结构的高度限定了内核20以及隔板14在Z向上的间距，即限定了前腔室50的高度。
继续参考图6及图7，在内核20设置在壳体10的侧框12内时，内核20的侧壁与侧框12的侧壁之间也存在一个间隙，该间隙形成第一后腔室30，并且该第一后腔室30由上盖板11、内核20的侧壁及侧框12的侧壁围成。在图6及图7所所示的结构中，形成的第一后腔室30为一个环形的空间。可替代的，该第一后腔室30还可以一个环绕内核20的U形的腔室，或者还可以为并列的两个独立的空间，两个独立的空间分列在内核的两侧，或者还可以是一个环形的腔室。
参考图7，在图7中所示的结构中，下盖板13、侧框12的侧壁及隔板14围成第二后腔室40，并且该第二后腔室40与第一后腔室30导气连通并共同组成整个扬声器的后腔室，如图7所示，图7示出了后腔室内声波流动的示意图。为了使得第一后腔室30与第二后腔室40导气连通，如图8中所示，在台阶结构122的一侧设置有第二通孔121，该第二通孔121导气连通第一后腔室30及第二后腔室40。如图7及图8所示，该第二通孔121的个数为两个，且两个第二通孔121分列在内核20的两侧，并且在设置时，为了规避前腔室50，在设置时，该第二通孔121也位于前腔室50的两侧。可替代的，第二通孔121的个数为多个，且多个第二通孔排列成两排并分列在内核20的两侧。或者第二通孔121的个数为一个，且一个第二通孔环绕内核20设置。
通过上述描述可以看出，在设置第一后腔室30、前腔室50及第二后腔室40时，如图6中所示，第一后腔室30、前腔室50及第二后腔室40沿Z方向上层叠，并且三者之间存在部分的重叠。当然在前腔室与后腔室的排列方式不仅限于上述方式，还可以采用其他的方式。可替代的，如图10及图11示出了另外一种后腔室与前腔室的排列方式，图10示出了本申请实施例提供的另一种扬声器，图11示出了图10中E-E处的剖视图。由图11可以看出，后腔室60采用了一个整体结构，并且前腔室50与后腔室60之间通过内核20进行分隔，并且该后腔室60位于内核20的上方(Z向上)，而前腔室50位于了内核20的下方，即通过内核20将前腔室50与后腔室60隔离。在采用该方式时，由于后腔室60与前腔室50隔离。
一并参考图3及图7，其中，图3示出了现有技术中的扬声器在X方向的宽度，图7中示出了本申请实施例提供的本申请实施例提供的扬声器在X方向的宽度；由图3中可以看出，现有技术中的扬声器的宽度主要包括两个尺寸，前腔5的宽度以及后腔6的宽度，而在本申请实施例提供的扬声器中，第一后腔室30环绕内核20设置，且第一后腔室30及第二后腔室40分别位于前腔室50的两侧。并且第一后腔室30的空间面积远远小于第二后腔室40的空间面积。因此，在X方向的宽度主要为前腔室50的宽度。在本申请实施例提供的后腔室与现有技术中的后腔空间相等的前提下，可以看出，本申请实施例提供的扬声器在X方向的尺寸远远小于现有技术中的扬声器在X方向的尺寸。而在Y方向上，如图4及图6可以看出，本申请实施例提供的扬声器与现有技术中的扬声器在Y方向上的尺寸相近似，因此，在采用将后腔室与前腔室50 部分层叠的结构时，可以极大的缩小扬声器在XY平面上占用的面积，进而提高移动终端的空间利用率。
此外，在上述结构中，为了降低在Z向上增加的厚度，在设置上盖板11时，如图8所示，上盖板11上设置有容纳内核20的第三通孔111。在安装内核20时，该第三通孔111嵌套到内核20上。并且通过密封胶或者其他密封件将该第三通孔111的侧壁与内核20密封。一并参考图3及图7，由图3可以看出，现有技术中的内核2在装配在壳体1内时，其与壳体1的顶部还具有一定的间隙。而在图7所示的本申请的实施例中，由于上盖板11嵌套到内核20上，因此，在本申请实施例提供的扬声器中，即使采用了前腔室50与第一后腔室30及第二后腔室40层叠的结构，但是通过上盖板11设置的第三通孔111，可以有效的改善由于三个腔室的层叠给扬声器在Z向上尺寸带来的影响。从而更进一步的改善整个扬声器的尺寸。
在本申请实施例提供扬声器采用上述的几个腔室层叠结构时，除了能够带来上述减少扬声器占用移动终端内面积的效果外，还可以改善扬声器的音质效果。具体的，对于扬声器来说，内核20的音膜在振动时，极易容易引起前腔室50中朝向内核20中音膜的侧壁产生共振，而在图3所示的扬声器中，其朝向音膜的侧壁位于壳体1上，在扬声器固定时，该侧壁需要与移动终端内的其他部件(如主板或者框架等)连接，这就会造成固定扬声器的部件会一起共振，从而造成杂音，影响到扬声器的音质效果。而在本申请实施例的扬声器中，如图6所示，扬声器中前腔室50中朝向音膜的侧壁为隔板14，而该隔板14被前腔室50以及第二后腔室40包围，并且通过壳体10的隔离，因此，在隔板14受到音膜的影响产生共振时，不会引起扬声器外的器件产生共振，避免了扬声器在发声时产生的杂音，进而提高了扬声器的音质效果。
对于本申请实施例提供的几个腔室，如图6、图7及图8所示，前腔室50通过出音口123与外界连通，而后腔室为一个相对封闭的空间，当扬声器受到外力变形时，会导致后腔室空间的变化，由于后腔室相对比较封闭，这就造成后腔室的气压会发生变化，从而造成音膜两侧的气压失衡，出现偏振，在扬声器工作时极易产生杂音，影响扬声器的音质。为了改善上述问题，在一个具体的实施例放那种，在隔板14上设置了一个第一通孔141，如图8中所示，该第一通孔141为一个圆形通孔，通过该第一通孔141可以将前腔室50与后腔室的连通，当后腔室中的气压压力产生变化时，可以通过第一通孔141来保持前腔室50与后腔室内气压的平衡，从而避免音膜出现偏振，改善扬声器的音质效果。此外，由于前腔室50与外界连通，在采用第一通孔141将前腔室50与后腔室连通时，为了避免外界的水汽进入到后腔室中，在该第一通孔141上设置了防水透气膜16，从而既可以达到前腔室50与后腔室之间气体的交换，又避免了外界的水汽进入到后腔室中对整个扬声器造成不良影响。应当理解的是，在图8所示的圆形的第一通孔141仅仅为一个示例，在本申请实施例提供的第一通孔141可以采用不同形状的孔，如长方形、椭圆形等不同形状。
在扬声器工作时，不可避免的会产生热量，在散热时，前腔可以直接通过出音口散发到外界，而对于后腔室来说，现有技术中的后腔室完全处于移动终端内部，其散热完全依靠移动终端的散热部件进行散热，从而造成较大的功耗损失。而在本申请的实施例中，由于采用了腔室层叠的结构，因此，在后腔室散热时，可以借助前腔室50来进行散热，具体的，在具体设置隔板14时，采用导热隔板14，如金属隔板，如： 铜隔板、铝隔板等不同金属材质制作的隔板14，从而可以将后腔室内的热量通过隔板14传递到前腔室50后散发出去，提高了扬声器的散热效果，并且可以降低整个移动终端的功耗。
为了更进一步的提高整个扬声器的音质效果，如图9所示，在第二后腔室40内设置了吸音颗粒70，从而降低同样腔体下的F0指标(F0是指扬声器阻抗曲线第一个极大值对应的频率，更小的F0会带来更好的低频灵敏度)，从而带来更好的音质、频响以及还原度，以提高扬声器的音质。并且在具体设置时，为了避免吸音颗粒70通过第一后腔室30进入到内核20中，在设置时，该第二通孔121上设置了隔网15进行隔离，该隔网15可以为不同材质制作的隔网15，如纱网、金属网等任意能够起到阻隔效果的网。并且该隔网15的孔径应该小于吸音颗粒70的直径，以达到隔离的效果。
应当理解的是，上述列举的仅仅为本申请实施例提供的扬声器的一个示例。任何采用采用前腔室与后腔室层叠的方式设置，具体为在沿内核的厚度方向上，前腔室及后腔室至少部分层叠，以利用整个扬声器在内核厚度方向上的空间来设置后腔室，以满足在保证后腔室大小满足需求的前提下，减少整个扬声器在移动终端内占用的面积的结构，均可应用到本申请实施例提供的扬声器中。
本申请实施例还提供了一种移动终端，该移动终端可以为手机、平面电脑、笔记本电脑等常见的移动终端。并且该移动终端包括上述任一项的扬声器100。通过采用前腔室50及后腔室至少部分层叠的设置方式。从而利用整个扬声器100在内核20厚度方向上的空间来设置后腔室，以满足在保证后腔室大小满足需求的前提下，减少整个扬声器100在移动终端内占用的面积。
如图12所示，该移动终端包括扬声器100、主板400以及传感器组件200；其中，上述几个器件通过螺丝、卡扣或者粘胶等形式堆叠于移动终端的中框300上，并且主板400上设置有避让传感器组件200及扬声器100的缺口。而在中框300可堆叠面积一定的情况下，各器件可用空间是互相影响的。而在本申请实施例中，由于扬声器100通过采用腔室层叠的方式，减少了腔室占用的空间面积，进而可以将传感器组件200设置在移动终端的中轴线上，并且可以增大主板400的面积。
如图13所示，在移动终端中的传感器组件200设置在中框300的一侧时，此时，主板400、扬声器100及传感器组件200的排列方式为：传感器组件200、主板400以及扬声器100。在采用该排列方式时，由于扬声器100占用面积的减少，从而可以增大主板400的面积，提高整个移动终端内的空间利用率。
图12及图13示出了扬声器100位于移动终端顶部的情况，在扬声器100位于移动终端底部时，也可以达到提高移动终端利用率的效果。如图13所示，在扬声器100设置在移动终端的底部时，由于扬声器100占用空间的减少，从而可以提高主板400的面积，进而提高移动终端内空间的利用率。
以上，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (24)

  1. 一种扬声器，其特征在于，包括壳体及内核；
    所述壳体包括侧框，上盖板，以及与所述上盖板相对设置的下盖板；
    所述壳体内设置有隔板，所述内核设置在所述上盖板与所述隔板之间；其中，沿所述内核的厚度方向上，所述内核及所述隔板层叠设置；
    所述内核与所述隔板，以及所述侧框的侧壁围成前腔室，所述侧框的侧壁上设置有与所述前腔室连通的出音口；
    所述上盖板、所述内核的侧壁及所述侧框的侧壁围成第一后腔室；
    所述下盖板、所述侧框的侧壁及所述隔板围成第二后腔室，且所述第一后腔室与所述第二后腔室导气连通；
    沿所述内核的厚度方向上，所述第一后腔室、所述前腔室及所述第二后腔室层叠设置。
  2. 根据权利要求1所述的扬声器，其特征在于，所述第一后腔室环绕所述内核设置。
  3. 根据权利要求2所述的扬声器，其特征在于，所述第一后腔室为U形或环形的腔室。
  4. 根据权利要求1所述的扬声器，其特征在于，所述隔板上设置有第一通孔，所述第一通孔上覆盖有通气隔水膜层。
  5. 根据权利要求1～4任一项所述的扬声器，其特征在于，所述隔板为导热隔板。
  6. 根据权利要求1～5任一项所述的扬声器，其特征在于，所述上盖板、下盖板及所述侧框为一体结构。
  7. 根据权利要求1～6任一项所述的扬声器，其特征在于，所述上盖板上设置有容纳所述内核的第三通孔。
  8. 根据权利要求1～7任一项所述的扬声器，其特征在于，所述侧框上设置有用于卡装所述内核的台阶结构，且所述台阶结构上设置有第二通孔，所述第二通孔导气连通所述第一后腔室及所述第二后腔室。
  9. 根据权利要求8所述的扬声器，其特征在于，所述第二通孔的个数为两个，且所述两个第二通孔分列在所述内核的两侧。
  10. 根据权利要求8或9所述的扬声器，其特征在于，所述第二后腔室内设置有吸音颗粒；所述第二通孔上设置有隔网。
  11. 一种扬声器，包括壳体及位于所述壳体内的内核，其特征在于，所述壳体内具有前腔室和后腔室；在沿所述内核的厚度方向上，所述前腔室及所述后腔室至少部分层叠。
  12. 根据权利要求9所述的扬声器，其特征在于，所述后腔室包括第一后腔室以及第二后腔室，其中，所述第一后腔室与所述第二后腔室导气连通；
    且沿所述内核的厚度方向，所述第一后腔室、所述前腔室及所述第二后腔室层叠设置。
  13. 根据权利要求12所述的扬声器，其特征在于，所述第一后腔室环绕所述内核设置。
  14. 根据权利要求12或13所述的扬声器，其特征在于，所述第一后腔室为U形或环形的腔室。
  15. 根据权利要求11～14任一项所述的扬声器，其特征在于，所述壳体包括侧框，上盖板，以及与所述上盖板相对设置的下盖板；
    所述壳体内设置有隔板，所述内核设置在所述上盖板与所述隔板之间；其中，沿所述内核的厚度方向上，所述内核及所述隔板层叠设置；
    所述内核与所述隔板，以及所述侧框的侧壁围成所述前腔室，所述侧框的侧壁上设置有与所述前腔室连通的出音口；
    所述上盖板、所述内核的侧壁及所述侧框的侧壁围成所述第一后腔室；
    所述下盖板、所述侧框的侧壁及所述隔板围成所述第二后腔室。
  16. 根据权利要求15所述的扬声器，其特征在于，所述隔板上设置有第一通孔，所述第一通孔上覆盖有通气隔水膜层。
  17. 根据权利要求15或16所述的扬声器，其特征在于，所述隔板为导热隔板。
  18. 根据权利要求15～17任一项所述的扬声器，其特征在于，所述上盖板、下盖板及所述侧框为一体结构。
  19. 根据权利要求15～18任一项所述的扬声器，其特征在于，所述上盖板上设置有容纳所述内核的第三通孔。
  20. 根据权利要求15～19任一项所述的扬声器，其特征在于，所述侧框上设置有用于卡装所述内核的台阶结构，且所述台阶结构上设置有第二通孔，所述第二通孔导气连通所述第一后腔室及所述第二后腔室。
  21. 根据权利要求20所述的扬声器，其特征在于，所述第二通孔的个数为两个，且所述两个扬声器分列在所述内核的两侧。
  22. 根据权利要求20或21所述的扬声器，其特征在于，所述第二后腔室内设置有吸音颗粒；所述第二通孔上设置有隔网。
  23. 一种移动终端，其特征在于，包括如权利要求1～10任一项所述扬声器或如权利要求11～22任一项所述的扬声器。
  24. 根据权利要求23所述的移动终端，其特征在于，还包括中框，以及设置在所述中框内的主板，还包括传感器组件；其中，
    所述主板上设置有避让所述传感器组件及所述扬声器的缺口。
PCT/CN2018/093848 2018-06-29 2018-06-29 一种扬声器以及移动终端 WO2020000443A1 (zh)

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