WO2015165315A1 - 应用在终端内部的扬声器模组 - Google Patents

应用在终端内部的扬声器模组 Download PDF

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Publication number
WO2015165315A1
WO2015165315A1 PCT/CN2015/075120 CN2015075120W WO2015165315A1 WO 2015165315 A1 WO2015165315 A1 WO 2015165315A1 CN 2015075120 W CN2015075120 W CN 2015075120W WO 2015165315 A1 WO2015165315 A1 WO 2015165315A1
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WO
WIPO (PCT)
Prior art keywords
module
terminal
speaker
speaker unit
mobile phone
Prior art date
Application number
PCT/CN2015/075120
Other languages
English (en)
French (fr)
Inventor
贾伟
石华
Original Assignee
歌尔声学股份有限公司
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
Application filed by 歌尔声学股份有限公司 filed Critical 歌尔声学股份有限公司
Priority to KR1020167024248A priority Critical patent/KR101827664B1/ko
Priority to US15/306,987 priority patent/US9961423B2/en
Publication of WO2015165315A1 publication Critical patent/WO2015165315A1/zh
Priority to US15/670,678 priority patent/US10149029B2/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • 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
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm 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
    • 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

Definitions

  • the present invention relates to the field of speaker technology, and more particularly to a speaker module applied inside a terminal.
  • the space reserved for the speaker module is getting smaller and smaller.
  • it is generally required to reserve a cavity of a certain size inside the speaker module, resulting in a cavity.
  • the speaker module takes up a certain amount of space in the portable electronic product, thereby making the size of the portable electronic product larger.
  • an object of the present invention is to provide a speaker module applied inside a terminal to solve the problem that the speaker module occupies a large internal space of the terminal.
  • the invention provides a speaker module applied in a terminal, the terminal comprises a terminal shell, and the speaker module is fixedly mounted on the terminal shell;
  • the speaker module includes a speaker unit and a module lower case that houses the fixed speaker unit; the module lower case is fixed on the terminal housing, wherein
  • the enclosed space formed between the speaker unit, the outer wall of the module lower case and the terminal housing is a rear sound chamber.
  • the invention also provides a speaker module applied inside the terminal, the terminal comprising a terminal shell,
  • the speaker module is fixedly mounted on the terminal housing;
  • the speaker module comprises a speaker unit and a module housing for housing the fixed speaker unit;
  • the module housing includes a module upper shell, and a space formed between the speaker unit and the upper shell of the module is a rear sound chamber, wherein
  • a through hole is defined in a predetermined position of the upper casing of the module, and the rear acoustic cavity is electrically connected to the space inside the terminal casing through the through hole.
  • the space available inside the terminal can be converted into a rear sound cavity, thereby increasing the space of the rear sound cavity, and effectively improving the acoustic performance of the speaker module.
  • the invention fully utilizes the internal space of the terminal to realize the thinning of the speaker module and achieves good acoustic performance without changing the internal space of the terminal.
  • the speaker module in the conventional structure is an independent structure, the front sound cavity and the rear sound cavity are separated, the rear sound cavity is sealed, and the rear sound cavity is a structure in the space of the speaker module itself. Since the size of the speaker module is now small, the volume of the rear sound chamber is limited. Therefore, the present invention opens the rear sound chamber to communicate with the cavity in the terminal, so that the cavity in the terminal can also be used as the rear sound chamber. Therefore, the volume of the rear acoustic cavity can be increased, which is advantageous for improving performance. This solution has good acoustic performance in the case of a small module size.
  • FIG. 1 is a block diagram showing an overall structure of a speaker module applied to a terminal according to a first embodiment of the present invention
  • FIG. 2 is a structural diagram of a speaker module according to a first embodiment of the present invention.
  • FIG. 3 is a schematic view showing the assembly of a speaker module applied to a terminal according to a first embodiment of the present invention
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • FIG. 5 is an overall structural diagram of a speaker module applied to a terminal according to a second embodiment of the present invention.
  • FIG. 6 is a structural diagram of a speaker module according to a second embodiment of the present invention.
  • FIG. 7 is a schematic diagram of assembly of a speaker module applied to a terminal according to a second embodiment of the present invention.
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 7.
  • the reference numerals include: mobile phone back case 1, mobile phone case 2, speaker module 3, speaker unit 4, module lower case 5, module upper case 6, sound hole 7, sound output port 8, electrical connection
  • the first sound chamber 10 the rear sound chamber 11, the sealing member 12, the speaker module positioning structure 13, the speaker unit positioning structure 14, the foam 15, and the through hole 16.
  • the present invention achieves good acoustic performance by utilizing the internal space of the terminal without changing the internal space of the terminal. Therefore, the present invention can be applied to all small terminals having a speaker function, and the mobile phone as an example of the terminal will be hereinafter. How to improve the acoustic performance of the speaker module using the internal space of the mobile phone is described in detail in two specific embodiments.
  • FIG. 1 shows the overall structure of a speaker module applied to a terminal according to a first embodiment of the present invention.
  • the present invention provides a speaker module applied to a terminal
  • the terminal includes a terminal housing, and the speaker module 3 is fixedly mounted on the terminal housing;
  • the speaker module 3 includes a speaker unit 4 and a fixed speaker unit.
  • Module 4 lower case 5; wherein, speaker unit 4, module under The enclosed space formed between the outer wall of the casing 5 and the terminal casing is a rear acoustic cavity.
  • the terminal casing includes a mobile phone casing 2 and a mobile phone rear case 1.
  • the mobile phone rear case 1 is fastened to the mobile phone case 2, and the module lower case 5 is fixed on the mobile phone case 2, the speaker unit 4, the module
  • the closed space formed between the inner walls of the lower casing 5 is the front acoustic cavity 10, and the space formed between the upper surface of the speaker unit 4, the outer wall of the module lower casing 5, the casing 2 of the mobile phone 2, and the rear casing 1 of the mobile phone is the rear acoustic cavity 11.
  • the existing speaker module structure comprises a module upper shell and a module lower shell, the module upper shell and the speaker unit form a rear sound cavity, and the rear sound cavity is a structure in the space of the speaker module itself,
  • the speaker module When the speaker module is installed in the interior of the mobile phone, it occupies a certain space inside the mobile phone, which affects the overall size of the mobile phone.
  • the space of the speaker module itself is limited, and the volume of the rear sound cavity is also limited. Therefore, the application provided by the first embodiment of the present invention is provided.
  • the phone case 2 and the back case 1 of the mobile phone are used as the upper case of the module, and the space between the speaker and the speaker unit forms a rear sound cavity, so that the internal space of the mobile phone is not changed. In this case, increase the space of the rear cavity.
  • the speaker module applied in the terminal of the first embodiment of the present invention the module lower case 5 accommodating the speaker unit 4 is a hollow slot type module lower case 5, and one of the module lower case 5
  • the sounding port 8 is arranged on the side wall, and the sounding port 8 is connected with the front sound chamber 10; on one side of the mobile phone casing 2, an sound hole 7 is opened, and the sound hole 7 and the sounding port 8 are correspondingly fitted, in a specific In the embodiment, the sound outlet 8 protrudes from the surface of the side wall of the lower casing 5 of the module.
  • the sound outlet 8 When assembled, the sound outlet 8 is inserted into the sound hole 7 on the outer casing 2 of the mobile phone, and the sound hole 7 is used together with the sound hole 7 4
  • the converted acoustic signal is derived, and the sound outlet 8 and the lower module 5 of the module may be integrally formed, or may be separately formed and then spliced together.
  • the three side walls of the module lower case 5 (excluding the side from which the sound port is opened)
  • the speaker unit positioning structure 14 is disposed on the wall, and the speaker unit 4 can be quickly and effectively fixed on the module lower case 5 through the speaker unit positioning structure 14.
  • the speaker unit positioning structure 14 can be buckled and convex.
  • the speaker unit positioning structure 14 may be integrally formed with the module lower case 5, or may be separately assembled and assembled.
  • the speaker module positioning structure of the fixed speaker module 3 is disposed on the mobile phone casing 2. 13.
  • the speaker module positioning structure 13 can quickly and effectively fix the speaker module 3 on the mobile phone casing 2.
  • the speaker module positioning structure 13 can be in the form of a buckle or a protrusion, and can be integrally formed with the mobile phone casing. Can be glued or otherwise after molding alone The method is fixed on the phone case 2.
  • the speaker unit 4 When assembling the speaker module 3 and the mobile phone, the speaker unit 4 is first mounted on the speaker module 3, and then the assembled speaker module 3 is installed in the mobile phone case 2, and finally the back case 1 and the mobile phone case are attached.
  • the foam 15 is pasted on the speaker unit 4, and the rear case 1 and the outer casing of the mobile phone are attached.
  • the foam 15 When the buckle is engaged, the foam 15 is pressed between the rear case 1 of the mobile phone and the speaker unit 4 to buffer and seal the speaker unit 4.
  • an electrical connector 9 is connected to the edge of the speaker module 3, and is placed on the upper side of the lower casing of the module to provide an electrical signal for the speaker module 3 to drive the speaker module 3 to sound.
  • FIG. 2 is a block diagram showing a structure of a speaker module according to a first embodiment of the present invention.
  • the middle portion of the bottom portion of the module lower case 5 in the speaker module 3 is hollow, and an upward flange is provided at the edge of the hollow portion, so that the speaker unit 4 cannot be attached to the module lower case 5
  • the space formed between the bottom of the module lower case 5 and the speaker unit 4 is the front sound chamber 10.
  • FIG. 3 and 4 are respectively a schematic view showing the assembly of a speaker module applied to the inside of the terminal and a cross-sectional view taken along line A-A of FIG. 3 according to the first embodiment of the present invention.
  • FIG. 3 is a schematic view of the assembly of the unsealed mobile phone rear case 1.
  • the speaker unit 4 and the mode are shown.
  • the space enclosed by the lower case 5 forms a front acoustic cavity 10, and the front acoustic cavity 10 communicates with the sound outlet 8 of the module lower case 5, and the speaker unit 4, the module rear case 5, the mobile phone case 2 and the mobile phone rear case 1 are surrounded.
  • the formed space forms the rear acoustic cavity 11, and the shaded portion in FIG. 3 is shown as the rear acoustic cavity 11.
  • the other components inside the mobile phone casing are not shown in the figure, since the speaker unit 4 is not in contact with the rear case 1 of the mobile phone, the rear case 1 of the mobile phone
  • the space between the speaker unit 4 and the speaker unit 4 is also a rear sound chamber.
  • a sealing member 12 is disposed at a portion of the module lower housing 5 that communicates with the front acoustic chamber 10, and the sealing member 12 is wound around the sound outlet 8 to enable The front and rear acoustic chambers are sealed while the front acoustic chamber 10 and the rear acoustic chamber 11 are separated.
  • the sealing member 12 can be a sealing spring pad, a rubber ring or other sealed device.
  • the above describes the speaker module used in the terminal in detail in the first embodiment of the present invention. It can be seen that the bass effect is better due to the larger volume of the rear sound cavity, and the first embodiment of the present invention fully utilizes the space inside the terminal to make the rear sound cavity. Maximize the volume as much as possible to achieve good acoustic performance at the end.
  • the second embodiment is another speaker module applied in the terminal space.
  • the rear sound chamber of the speaker module communicates with the inner space of the terminal from the side.
  • FIG. 5 and FIG. 6 respectively show the overall structure of a speaker module applied to a terminal and a structural diagram of a speaker module according to a second embodiment of the present invention.
  • the speaker module applied in the terminal is provided in the second embodiment.
  • the terminal includes a terminal housing, and the speaker module 3 is fixedly mounted on the terminal housing.
  • the speaker module 3 includes a speaker unit.
  • the body 4 and the module housing for housing the fixed speaker unit 4, the module housing includes a module upper case 6 and a module lower case 5.
  • the terminal casing comprises a mobile phone casing 2 and a mobile phone rear case 1, the mobile phone rear case 1 is fastened on the mobile phone case 2, and the module lower case 5 is fixed on the mobile phone case 2, the speaker unit 4 and the module
  • the space formed between the lower casings 5 is the front acoustic cavity 10
  • the space formed between the speaker unit 4 and the upper casing 6 of the module is a rear acoustic cavity 11, and a through hole 16 is defined at a predetermined position of the upper casing 6 of the module.
  • the rear acoustic cavity 11 and the space inside the mobile phone (the space formed by the mobile phone case 2 being fastened inside the rear case 1 of the mobile phone) are turned on through the through hole 16.
  • the speaker module is installed inside the mobile phone without removing the upper casing of the module, and a through hole is opened in the side wall of the lower casing 5 of the module, and the rear acoustic cavity 11 is opened.
  • the space inside the mobile phone is connected, and the space available inside the mobile phone is changed into a rear sound cavity, thereby increasing the volume of the rear sound cavity 11 and improving the acoustic performance of the speaker module 3.
  • the second embodiment is more suitable for application in the vertical direction of the mobile phone. The situation (that is, the case where the thickness of the mobile phone is thin).
  • the module housing for accommodating the speaker unit 4 includes a hollow slot type module lower case 5 and a module upper case 6, and a sound outlet 8 is disposed on a side wall of the module lower case 5.
  • the sound outlet 8 is connected to the front sound chamber 10; on one side of the mobile phone casing 2, an sound hole 7 is opened, and the sound hole 7 and the sound output port 8 are correspondingly fitted.
  • the sound output port 8 is convex.
  • the sound outlet 8 is inserted into the sound hole 7 on the outer casing 2 of the mobile phone, and the sound signal converted by the speaker unit 4 is output together with the sound hole 7 to emit sound.
  • the mouth 8 and the lower case 5 of the module may be integrally formed, or may be separately formed and then spliced together.
  • the module upper case 6 is snapped onto the module lower case 5.
  • the three side walls of the module lower case 5 (excluding the opening of the sound port)
  • the speaker unit positioning structure 14 is disposed on the side wall), and the speaker unit 4 can be quickly and effectively fixed to the module lower case 5 through the speaker unit positioning structure 14.
  • the speaker unit positioning structure 14 can be a buckle. In the form of a protrusion or the like, the speaker unit positioning structure 14 may be integrally formed with the module lower case 5, or may be separately assembled and assembled.
  • the speaker module positioning structure of the fixed speaker module 3 is disposed on the mobile phone casing 2. 13.
  • the speaker module positioning structure 13 can quickly and effectively fix the speaker module 3 on the mobile phone casing 2.
  • the speaker module positioning structure 13 can be in the form of a buckle or a protrusion, and can be integrally formed with the mobile phone casing. It can be fixed to the outer casing 2 of the mobile phone by glue or other means after being separately molded.
  • the speaker unit 4 When assembling the speaker module 3 and the mobile phone, the speaker unit 4 is first mounted on the speaker module 3, and then the assembled speaker module 3 is installed in the mobile phone case 2, and finally the back case 1 and the mobile phone case are attached.
  • the foam 15 is bonded above the speaker unit 4, and the mobile phone is attached
  • the foam 15 is pressed between the module upper case 6 and the speaker unit 4 to buffer and seal the speaker unit 4.
  • the electrical connector 9 is connected to the edge of the speaker module 3 to provide an electrical signal to the speaker module 3, and the speaker module 3 is driven to sound.
  • the slot, the neck of the electrical connector 9 passes through the recess from the side wall of the lower casing 5 of the module, thereby reducing the distance between the speaker module 3 and the bottom surface of the lower casing 5 of the module. Therefore, although the module upper shell 6 is added The overall thickness of the module housing is increased, but the overall thickness of the phone can be kept constant.
  • the middle portion of the bottom portion of the lower module 5 of the speaker module 3 is hollow, and an upward flange is provided at the edge of the hollow portion, so that the speaker unit 4 cannot be attached to the lower case 5 of the module.
  • the space formed between the bottom of the module lower case 5 and the speaker unit 4 is the front sound chamber 10.
  • FIG. 7 and 8 are respectively a schematic view showing the assembly of a speaker module applied to a terminal and a cross-sectional view taken along line B-B of FIG. 7 according to a second embodiment of the present invention.
  • FIG. 7 is a schematic view of the assembly of the unsealed mobile phone rear case 1 , as can be seen in conjunction with FIG. 8 , the speaker unit 4
  • the space enclosed by the lower shell of the module forms a front sound chamber 10, and the front sound chamber 10 communicates with the sound outlet 8 of the module lower shell 5, and the space of the speaker unit 4 and the module upper shell 6 surrounds the sound chamber 11 and the rear sound chamber 11 is communicated with the space inside the mobile phone through the through hole 16 (the mobile phone case 2 is fastened to the space formed inside the rear case 1 of the mobile phone), and the shaded portions in FIG. 8 are all included in the rear sound cavity 11, and other components in the terminal are not display.
  • a sealing member 12 is disposed at a portion of the module lower housing 5 that communicates with the front acoustic chamber 10, and the sealing member 12 is wound around the sound outlet 8 to enable The front and rear acoustic chambers are sealed while the front acoustic chamber 10 and the rear acoustic chamber 11 are separated.
  • the sealing member 12 can be a sealing spring pad, a rubber ring or other sealed device.
  • the foregoing embodiment 2 describes in detail another implementation manner of the speaker module applied in the terminal provided by the present invention. It can be seen that since a through hole 16 is formed in the upper casing 6 of the module, the inside of the mobile phone can be utilized. The space is converted into a rear sound cavity, which increases the space of the rear sound cavity, thereby improving the acoustic performance of the speaker module, and also simplifies the assembly difficulty of the speaker module and the terminal, and improves the production efficiency.
  • the space available inside the terminal can be converted into a rear sound cavity, thereby increasing the space of the rear sound cavity, and effectively improving the acoustics of the speaker module.
  • the present invention makes full use of the internal space of the terminal to realize thinning of the speaker module and achieve good acoustic performance without changing the internal space of the terminal.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

本发明提供一种应用在终端内部的扬声器模组，终端包括终端外壳，扬声器模组固定安装在终端内部；扬声器模组包括扬声器单体和收容固定扬声器单体的模组壳体；其中，扬声器单体、模组壳体外壁和终端外壳之间形成的封闭空间为后声腔。利用上述根据本发明提供的应用在终端内部的扬声器模组，能够将终端内部可以利用的空间转化为后声腔，从而增大后声腔的空间，能有效提高扬声器模组的声学性能，因此，本发明在不改变终端内部空间的情况下，充分利用终端内部空间实现扬声器模组的薄型化，并达到良好的声学性能。

Description

应用在终端内部的扬声器模组 技术领域
本发明涉及扬声器技术领域，更为具体地，涉及一种应用在终端内部的扬声器模组。
背景技术
随着社会的进步和科学技术的快速发展，便携式电子产品逐渐兴起，并且以其携带方便、功能全面，能够满足人们上网、通信及娱乐等多方面的需求而倍受欢迎，如手机、ipad等。作为便携式电子产品中重要声学部件的扬声器模组也随之具有广泛的需求。
随着人们对便携式电子产品要求的提高，扬声器模组的声学性能也越来越受到人们的关注。
由于便携式电子产品体积的设计越来越小，留给扬声器模组的空间也越来越小，但是，为了保障良好的声学性能，一般需要在扬声器模组内部预留一定大小的腔体，致使扬声器模组会占用一定的便携式电子产品的空间，从而使便携式电子产品的体积变大。
因此，需要一种新的扬声器模组与便携式电子产品装配的技术方案。
发明内容
鉴于上述问题，本发明的目的是提供一种应用在终端内部的扬声器模组，以解决扬声器模组占用终端内部空间大的问题。
本发明提供的应用在终端内部的扬声器模组，终端包括终端外壳，扬声器模组固定安装在终端外壳上；其中，
扬声器模组包括扬声器单体和收容固定扬声器单体的模组下壳；模组下壳固定在终端外壳上，其中，
扬声器单体、模组下壳外壁和终端外壳之间形成的封闭空间为后声腔。
本发明还提供一种应用在终端内部的扬声器模组，终端包括终端外壳， 扬声器模组固定安装在终端外壳上；其中，
扬声器模组包括扬声器单体和收容固定扬声器单体的模组壳体；
模组壳体包括模组上壳，扬声器单体和模组上壳之间形成的空间为后声腔，其中，
在模组上壳的预定位置开设有通孔，后声腔通过通孔与终端外壳内部的空间导通。
利用上述根据本发明提供的应用在终端内部的扬声器模组，能够将终端内部可以利用的空间转化为后声腔，从而增大后声腔的空间，能有效提高扬声器模组的声学性能，因此，本发明在不改变终端内部空间的情况下，充分利用终端内部空间实现扬声器模组的薄型化，并达到良好的声学性能。
本专利与现有技术的区别主要是：传统结构中扬声器模组是一个独立的结构，前声腔和后声腔分隔开，后声腔密封，后声腔为扬声器模组自身的空间中具有的结构。由于现在扬声器模组的尺寸较小，后声腔体积会受到限制，因此，本发明将后声腔打通，使其与终端中的空腔连通，从而使终端中的空腔也可以被作为后声腔使用，从而可以增大后声腔的体积，有利于提高性能。这种方案在模组尺寸较小的情况下即可具有良好的声学性能。
为了实现上述以及相关目的，本发明的一个或多个方面包括后面将详细说明并在权利要求中特别指出的特征。下面的说明以及附图详细说明了本发明的某些示例性方面。然而，这些方面指示的仅仅是可使用本发明的原理的各种方式中的一些方式。此外，本发明旨在包括所有这些方面以及它们的等同物。
附图说明
通过参考以下结合附图的说明及权利要求书的内容，并且随着对本发明的更全面理解，本发明的其它目的及结果将更加明白及易于理解。在附图中：
图1为根据本发明实施例一的应用在终端内部的扬声器模组的整体结构图；
图2为根据本发明实施例一的扬声器模组的结构图；
图3为根据本发明实施例一的应用在终端内部的扬声器模组的装配示意图；
图4为沿图3中A-A线的剖视图；
图5为根据本发明实施例二的应用在终端内部的扬声器模组的整体结构图；
图6为根据本发明实施例二的扬声器模组的结构图；
图7为根据本发明实施例二的应用在终端内部的扬声器模组的装配示意图；
图8为沿图7中B-B线的剖视图。
在所有附图中相同的标号指示相似或相应的特征或功能。
其中的附图标记包括：手机后壳1、手机外壳2、扬声器模组3、扬声器单体4、模组下壳5、模组上壳6、出声孔7、出声口8、电连接件9、前声腔10、后声腔11、密封件12、扬声器模组定位结构13、扬声器单体定位结构14、泡棉15、通孔16。
具体实施方式
在下面的描述中，出于说明的目的，为了提供对一个或多个实施例的全面理解，阐述了许多具体细节。然而，很明显，也可以在没有这些具体细节的情况下实现这些实施例。在其它例子中，为了便于描述一个或多个实施例，公知的结构和设备以方框图的形式示出。
以下将结合附图对本发明的具体实施例进行详细描述。
本发明通过在不改变终端内部空间的情况下，利用终端内部空间来达到良好的声学性能，因此，本发明可以应用在所有具有扬声功能的小型终端中，下面将采用手机作为终端的示例，以两个具体实施例对扬声器模组如何利用手机内部空间改良声学性能进行详细地说明。
实施例一
图1示出了根据本发明实施例一的应用在终端内部的扬声器模组的整体结构。
如图1所示，本发明提供的应用在终端内部的扬声器模组，该终端包括终端外壳，扬声器模组3固定安装在终端外壳上；扬声器模组3包括扬声器单体4和收容固定扬声器单体4的模组下壳5；其中，扬声器单体4、模组下 壳5外壁和终端外壳之间形成的封闭空间为后声腔。以手机作为终端的示例，终端外壳包括手机外壳2和手机后壳1，手机后壳1扣合在手机外壳2上，模组下壳5固定在手机外壳2上，扬声器单体4、模组下壳5内壁之间形成的封闭空间为前声腔10，扬声器单体4的上表面、模组下壳5的外壁、手机外壳2、手机后壳1之间形成的空间为后声腔11。
需要说明的是，现有的扬声器模组结构包括模组上壳和模组下壳，模组上壳与扬声器单体形成后声腔，后声腔为扬声器模组自身的空间中具有的结构，将扬声器模组安装在手机内部时会占用手机内部一定的空间，影响手机的整体尺寸，同时，扬声器模组本身的空间有限，后声腔体积也会受到限制，所以，本发明实施例一提供的应用在终端内部的扬声器模组，将扣合在一起的手机外壳2与手机后壳1作为模组上壳，并与扬声器单体之间的空间形成后声腔，因此，在不改变手机内部空间的情况下增大后声腔的空间。
另外，本发明实施例一提供的应用在终端内部的扬声器模组，收容扬声器单体4的模组下壳5为一个中空的槽型的模组下壳5，在模组下壳5的一侧壁上设置有出声口8，出声口8与前声腔10连通；在手机外壳2的一侧面开有出声孔7，出声孔7与出声口8对应贴合，在一个具体实施方式中，出声口8凸出于模组下壳5侧壁的表面，在组装时，出声口8插入手机外壳2上的出声孔7，配合出声孔7一起将扬声器单体4转换的声信号导出，出声口8与模组下壳5可以一体成型，也可以分别成型后再拼接在一起。
为了精准地将扬声器单体4固定在模组下壳5上，在本发明实施例一的一个优选实施方式中，在模组下壳5的三个侧壁(不包括开设出声口的侧壁)上设置了扬声器单体定位结构14，通过扬声器单体定位结构14能够快速、有效地将扬声器单体4固定在模组下壳5上，扬声器单体定位结构14可以是卡扣、凸起等形式，该扬声器单体定位结构14可以与模组下壳5一体成型，也可以分别成型后再组装在一起。
同理，为了精准地将扬声器模组3固定在手机外壳2上，在本发明实施例一的另一个优选实施方式中，在手机外壳2上设置有固定扬声器模组3的扬声器模组定位结构13，通过扬声器模组定位结构13能够快速、有效地将扬声器模组3固定在手机外壳2上，扬声器模组定位结构13可以是卡扣、凸起等形式，可以与手机外壳一体成型，也可以在单独成型后通过胶水或者其它 方式固定在手机外壳2上。
在将扬声器模组3与手机组装时，先将扬声器单体4安装在扬声器模组3上，再将组装好的扬声器模组3安装在手机外壳2里，最后将手机后壳1与手机外壳扣合在一起，为了避免扬声器单体4的上表面磕碰到手机后壳1，在一个具体实施方式中，在扬声器单体4的上方粘贴有泡棉15，在将手机后壳1与手机外壳2扣合时，泡棉15被压合在手机后壳1和扬声器单体4之间，对扬声器单体4起到缓冲、密封的作用。当然，也可以根据实际的设计组装需要将泡棉15直接粘结在手机外壳2上对应于扬声器单体4的组装位置。
本发明实施例一在扬声器模组3一侧的边缘位置连接有电连接件9，放置在模组下壳上侧，为扬声器模组3的提供电信号，驱动扬声器模组3发声。
图2示出了根据本发明实施例一的扬声器模组的结构图。
如图2所示，扬声器模组3中的模组下壳5底部中间部分是中空的，在中空部分的边缘位置设有向上的凸缘，使扬声器单体4无法贴在模组下壳5的底部，模组下壳5的底部与扬声器单体4之间形成的空间为前声腔10。
图3和图4分别示出了根据本发明实施例一的应用在终端内部的扬声器模组的装配示意图和沿图3中A-A线的剖视图。
如图3和图4所示，为了更直观的表示扬声器模组与手机的连接结构，图3为未扣合手机后壳1的装配示意图，结合图4可以看出，扬声器单体4与模组下壳5围成的空间形成前声腔10，前声腔10与模组下壳5的出声口8连通，扬声器单体4、模组后壳5、手机外壳2和手机后壳1一起围成的空间形成后声腔11，图3中的阴影部分表示为后声腔11，手机外壳内部的其他零部件图中未显示，由于扬声器单体4并未与手机后壳1接触，手机后壳1与扬声器单体4之间的空间也为后声腔。
由于扬声器模组3的后声腔需要密封，所以在模组下壳5的出声口8与前声腔10连通的部分设置有密封件12，密封件12缠绕在出声口8周圈，能够将前声腔和后声腔密封，同时并能够将前声腔10和后声腔11分离开，密封件12可以为密封弹垫、橡胶圈或者其它密封的装置。
上述详细描述了本发明实施例一的应用在终端内部的扬声器模组，可以看出，由于后声腔体积越大低音效果越好，本发明实施例一充分利用了终端内部的空间，使后声腔的体积尽可能的最大化，达到终端良好的声学性能，
实施例二
实施例二是另一种应用在终端空间内部的扬声器模组，扬声器模组的后声腔从侧面与终端的内部空间连通。
图5和图6分别示出了根据本发明实施例二的应用在终端内部的扬声器模组的整体结构和扬声器模组的结构图。
如图5和图6所示，本实施例二提供的应用在终端内部的扬声器模组，同样地，终端包括终端外壳，扬声器模组3固定安装在终端外壳上；扬声器模组3包括扬声器单体4和收容固定扬声器单体4的模组壳体，模组壳体包括模组上壳6和模组下壳5。以手机作为终端的示例，终端外壳包括手机外壳2和手机后壳1，手机后壳1扣合在手机外壳2上，模组下壳5固定在手机外壳2上，扬声器单体4与模组下壳5之间形成的空间为前声腔10，扬声器单体4与模组上壳6之间形成的空间为后声腔11，在所述模组上壳6的预定位置开设有通孔16，后声腔11与手机内部的空间(手机外壳2扣合在手机后壳1上内部形成的空间)通过通孔16导通。
对比实施例一，本实施例二在不拆掉模组上壳的情况下，将扬声器模组安装在手机内部，通过在模组下壳5的侧壁上开设一个通孔，将后声腔11与手机内部的空间连通，把手机内部可以利用的空间变为后声腔，从而增大后声腔11的体积，提升扬声器模组3的声学性能，实施例二更适合应用在手机竖直方向空间不够的情况(也就是手机厚度较薄的情况)。
另一方面，收容扬声器单体4的模组壳体包括一个中空的槽型的模组下壳5和模组上壳6，在模组下壳5的一侧壁上设置有出声口8，出声口8与前声腔10连通；在手机外壳2的一侧面开有出声孔7，出声孔7与出声口8对应贴合，在一个具体实施方式中，出声口8凸出于模组下壳5侧壁的表面，在组装时，出声口8插入手机外壳2上的出声孔7，配合出声孔7一起将扬声器单体4转换的声信号导出，出声口8与模组下壳5可以一体成型，也可以分别成型后再拼接在一起。
待扬声器单体4安装在模组下壳5后，模组上壳6卡扣在模组下壳5上。
同样，为了精准地将扬声器单体4固定在模组下壳5上，在本发明实施例一的一个优选实施方式中，在模组下壳5的三个侧壁(不包括开设出声口 的侧壁)上设置了扬声器单体定位结构14，通过扬声器单体定位结构14能够快速、有效地将扬声器单体4固定在模组下壳5上，扬声器单体定位结构14可以是卡扣、凸起等形式，该扬声器单体定位结构14可以与模组下壳5一体成型，也可以分别成型后再组装在一起。
同理，为了精准地将扬声器模组3固定在手机外壳2上，在本发明实施例一的另一个优选实施方式中，在手机外壳2上设置有固定扬声器模组3的扬声器模组定位结构13，通过扬声器模组定位结构13能够快速、有效地将扬声器模组3固定在手机外壳2上，扬声器模组定位结构13可以是卡扣、凸起等形式，可以与手机外壳一体成型，也可以在单独成型后通过胶水或者其它方式固定在手机外壳2上。
在将扬声器模组3与手机组装时，先将扬声器单体4安装在扬声器模组3上，再将组装好的扬声器模组3安装在手机外壳2里，最后将手机后壳1与手机外壳扣合在一起，为了避免扬声器单体4的上表面磕碰到模组上壳6，在本发明的另一个具体实施方式中，在扬声器单体4的上方粘结有泡棉15，在将手机后壳1与手机外壳2扣合时，泡棉15被压合在模组上壳6和扬声器单体4之间，对扬声器单体4起到缓冲、密封的作用。当然，也可以根据实际的设计组装需要将泡棉15直接粘结在手机外壳2上对应于扬声器单体4的组装位置。
本发明实施例二在扬声器模组3一侧的边缘位置连接有电连接件9，为扬声器模组3提供电信号，驱动扬声器模组3发声，模组下壳5一侧壁上开有凹槽，电连接件9的颈部通过上述凹槽从模组下壳5侧壁穿出，降低了扬声器模组3与模组下壳5底面的距离，因此，虽然增加的模组上壳6使模组壳体的整体厚度增加，但是手机的整体厚度可以保证不变。
需要说明的是，扬声器模组3中的模组下壳5底部中间部分是中空的，在中空部分的边缘位置设有向上的凸缘，使扬声器单体4无法贴在模组下壳5的底部，模组下壳5的底部与扬声器单体4之间形成的空间为前声腔10。
图7和图8分别示出了根据本发明实施例二的应用在终端内部的扬声器模组的装配示意图和沿图7中B-B线的剖视图。
如图7和图8所示，为了更直观地表示扬声器模组与手机的连接结构，图7为未扣合手机后壳1的装配示意图，结合图8可以看出，扬声器单体4 与模组下壳围成的空间形成前声腔10，前声腔10与模组下壳5的出声口8连通，扬声器单体4与模组上壳6围城的空间形成后声腔11，后声腔11通过通孔16与手机内部的空间连通(手机外壳2扣合在手机后壳1上内部形成的空间)，图8中的阴影部分均包括在后声腔11内，终端中的其他零部件未显示。
由于扬声器模组3的后声腔需要密封，所以在模组下壳5的出声口8与前声腔10连通的部分设置有密封件12，密封件12缠绕在出声口8周圈，能够将前声腔和后声腔密封，同时并能够将前声腔10和后声腔11分离开，密封件12可以为密封弹垫、橡胶圈或者其它密封的装置。
上述实施例二详细描述了本发明提供的应用在终端内部的扬声器模组的另一实现方式，可以看出，由于在模组上壳6开设了一个通孔16，能够把手机内部可以利用的空间转换为后声腔，增大后声腔的空间，从而提高扬声器模组的声学性能，还能够简化扬声器模组与终端的装配难度，提高生产效率。
综上所述，利用上述根据本发明提供的应用在终端内部的扬声器模组，能够将终端内部可以利用的空间转化为后声腔，从而增大后声腔的空间，能有效提高扬声器模组的声学性能，因此，本发明在不改变终端内部空间的情况下，充分利用终端内部空间实现扬声器模组的薄型化，并达到良好的声学性能。
如上参照附图以示例的方式描述了根据本发明提出的应用在终端内部的扬声器模组。但是，本领域技术人员应当理解，对于上述本发明所提出的应用在终端内部的扬声器模组，还可以在不脱离本发明内容的基础上对其中的实现细节做出各种改进。因此，本发明的保护范围应当由所附的权利要求书的内容确定。

Claims (10)

  1. 一种应用在终端内部的扬声器模组，所述终端包括终端外壳，所述扬声器模组固定安装在所述终端外壳上；其中，
    所述扬声器模组包括扬声器单体和收容固定所述扬声器单体的模组下壳；其特征在于，
    所述扬声器单体、所述模组下壳外壁和所述终端外壳之间形成的封闭空间为后声腔。
  2. 如权利要求1所述的应用在终端内部的扬声器模组，其中，
    在所述终端外壳设置有出声孔；
    在所述模组下壳设置有出声口，所述出声口与所述出声孔对应贴合；其中，
    所述模组下壳内壁与所述扬声器单体之间形成的封闭空间为前声腔，所述前声腔与所述出声口连通。
  3. 如权利要求1所述的应用在终端内部的扬声器模组，其中，
    在所述模组下壳设置有定位所述扬声器单体的扬声器单体定位结构。
  4. 如权利要求1所述的应用在终端内部的扬声器模组，其中，
    在所述终端外壳设置有定位所述模组下壳的模组下壳定位结构。
  5. 如权利要求1所述的应用在终端内部的扬声器模组，其中，
    在所述扬声器单体的上方固定有泡棉，所述泡棉贴合在所述终端外壳上。
  6. 一种应用在终端内部的扬声器模组，所述终端包括终端外壳，所述扬声器模组固定安装在所述终端外壳上；其中，
    所述扬声器模组包括扬声器单体和收容固定所述扬声器单体的模组壳体；
    所述模组壳体包括模组上壳，所述扬声器单体和所述模组上壳之间形成 的空间为后声腔，其特征在于，在所述模组上壳开设有通孔，所述后声腔通过所述通孔与所述终端外壳内部的空间导通。
  7. 如权利要求6所述的应用在终端内部的扬声器模组，其中，
    在所述终端外壳设置有出声孔；
    在所述模组下壳设置有出声口，所述出声口与所述出声孔对应贴合；其中，
    所述模组壳体还包括模组下壳，所述模组下壳与所述扬声器单体之间形成的封闭空间为前声腔，所述前声腔与所述出声口连通。
  8. 如权利要求6所述的应用在终端内部的扬声器模组，其中，
    在所述模组下壳设置有定位所述扬声器单体的扬声器单体定位结构。
  9. 如权利要求6所述的应用在终端内部的扬声器模组，其中，
    在所述终端外壳设置有定位所述模组壳体的模组壳体定位结构。
  10. 如权利要求6所述的应用在终端内部的扬声器模组，其中，
    在所述扬声器单体的上方固定有泡棉，所述泡棉贴合在所述模组上壳上。
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