WO2022016955A1 - 电声组件、智能手表以及电子设备 - Google Patents

电声组件、智能手表以及电子设备 Download PDF

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Publication number
WO2022016955A1
WO2022016955A1 PCT/CN2021/092049 CN2021092049W WO2022016955A1 WO 2022016955 A1 WO2022016955 A1 WO 2022016955A1 CN 2021092049 W CN2021092049 W CN 2021092049W WO 2022016955 A1 WO2022016955 A1 WO 2022016955A1
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WO
WIPO (PCT)
Prior art keywords
electro
casing
fixing
side wall
acoustic
Prior art date
Application number
PCT/CN2021/092049
Other languages
English (en)
French (fr)
Inventor
易炜
Original Assignee
Oppo广东移动通信有限公司
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Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2022016955A1 publication Critical patent/WO2022016955A1/zh

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present application relates to the technical field of electronic devices, and in particular, to an electro-acoustic component, a smart watch, and an electronic device.
  • Electronic devices such as smart watches, mobile phones, etc.
  • speakers are generally fixed inside the electronic device housing through brackets, which causes water vapor to easily enter the electronic device housing from the gap between the electronic device housing and the speaker. damage to the circuit structure inside the electronic device housing.
  • the electro-acoustic device includes a casing, a waterproof member, an electro-acoustic device and a fixing member;
  • the casing is provided with a sound outlet;
  • the waterproof member is provided on the the inner side wall of the casing and surrounds the sound outlet hole;
  • the electro-acoustic device is arranged on the side of the waterproof member away from the inner side wall of the casing;
  • the fixing member and the casing are matched with a clip Hold and fix the electroacoustic device.
  • the smart watch includes a watch strap and an electro-acoustic assembly
  • the electro-acoustic assembly includes a casing, a waterproof part, an electro-acoustic device and a fixing part
  • the casing opens There is a sound outlet
  • the waterproof member is arranged on the inner side wall of the casing and surrounds the sound outlet
  • the electro-acoustic device is arranged on the side of the waterproof member away from the inner side wall of the casing
  • the fixing piece cooperates with the casing to clamp and fix the electro-acoustic device; wherein the watch band is connected to the casing.
  • the electronic device includes a display screen, a circuit board, and an electro-acoustic assembly
  • the electro-acoustic assembly includes a casing, a waterproof member, an electro-acoustic device, and a fixing member
  • the casing is provided with a sound outlet
  • the waterproof member is arranged on the inner side wall of the casing and surrounds the sound outlet
  • the electro-acoustic device is arranged on the inner side of the waterproof member away from the casing one side of the wall
  • the fixing piece cooperates with the casing to clamp and fix the electro-acoustic device
  • the display screen and the casing are enclosed to form a accommodating space
  • the circuit board is arranged on the in the accommodating space and electrically connected with the electro-acoustic device.
  • FIG. 1 is a schematic structural diagram of an electro-acoustic assembly in a first embodiment of the present application
  • Fig. 2 is the structural disassembly schematic diagram of the electroacoustic assembly in the embodiment of Fig. 1;
  • Fig. 3 is a partial cross-sectional structural schematic diagram of the electroacoustic assembly along the A-A direction in the embodiment of Fig. 1;
  • FIG. 4 is a schematic structural diagram of an electro-acoustic assembly in a second embodiment of the present application.
  • Fig. 5 is the structural disassembly schematic diagram of the electroacoustic assembly in the embodiment of Fig. 4;
  • Fig. 6 is a partial cross-sectional structural schematic diagram of the electro-acoustic assembly along the B-B direction in the embodiment of Fig. 4;
  • Fig. 7 is the structural representation of the fixing member in the embodiment of Fig. 4;
  • Fig. 8 is a partial structural schematic diagram of the housing in the embodiment of Fig. 4;
  • Fig. 9 is the structural representation when the fixing member and the electroacoustic device cooperate in the embodiment of Fig. 4;
  • FIG. 10 is a schematic structural diagram of an electro-acoustic assembly in some embodiments of the present application.
  • FIG. 11 is a schematic structural diagram of a smart watch in other embodiments of the present application.
  • FIG. 12 is a schematic diagram of a partial structure disassembly of the smart watch in the embodiment of FIG. 11;
  • FIG. 13 is a schematic structural diagram of an electronic device in other embodiments of the present application.
  • FIG. 14 is a schematic structural composition diagram of a mobile terminal device in other embodiments of the present application.
  • the electro-acoustic device includes a casing, a waterproof member, an electro-acoustic device and a fixing member;
  • the casing is provided with a sound outlet;
  • the waterproof member is provided on the the inner side wall of the casing and surrounds the sound outlet hole;
  • the electro-acoustic device is arranged on the side of the waterproof member away from the inner side wall of the casing;
  • the fixing member and the casing are matched with a clip Hold and fix the electroacoustic device.
  • the inner side wall is provided with an annular groove; the waterproof member is filled in the annular groove and has a ring shape to fit with the annular groove.
  • the projection of the annular groove toward the electro-acoustic device is located on the sound exit surface of the electro-acoustic device.
  • the waterproof member protrudes from the annular groove in a direction toward the electro-acoustic device.
  • the fixing member includes a top-holding portion and a fixing portion, the electro-acoustic device is clamped between the inner side wall and the top-holding portion, and the fixing portion is fixedly connected to the housing .
  • the fixing portion is provided with a fixing hole
  • the inner side wall is provided with a positioning groove
  • the fixing hole and the positioning groove cooperate to fixedly connect the fixing member and the housing.
  • the holding portion includes a holding surface and limit surfaces disposed at opposite ends of the holding surface, and an end surface of the electro-acoustic device facing away from the waterproof member is held against the holding surface , the limiting surfaces are clamped on opposite sides of the electro-acoustic device.
  • the waterproof member is integrally formed with the casing.
  • the waterproof member is a silicone ring
  • the electro-acoustic device presses the waterproof member to produce deformation, thereby sealing the gap between the inner side wall of the housing and the electro-acoustic device.
  • the electro-acoustic component further includes a dustproof net, and the dustproof net is arranged on the inner side wall of the casing and covers the sound outlet hole on the casing.
  • the dustproof net is bonded and connected to the inner side wall of the casing.
  • the smart watch includes a watch strap and an electro-acoustic assembly
  • the electro-acoustic assembly includes a casing, a waterproof part, an electro-acoustic device and a fixing part
  • the casing opens There is a sound outlet
  • the waterproof member is arranged on the inner side wall of the casing and surrounds the sound outlet
  • the electro-acoustic device is arranged on the side of the waterproof member away from the inner side wall of the casing
  • the fixing piece cooperates with the casing to clamp and fix the electro-acoustic device; wherein the watch band is connected to the casing.
  • the fixing member includes a top-holding portion and a fixing portion, the electro-acoustic device is clamped between the inner side wall and the top-holding portion, and the fixing portion is fixedly connected to the housing .
  • the fixing portion is provided with a fixing hole
  • the inner side wall is provided with a positioning groove
  • the fixing hole and the positioning groove cooperate to fixedly connect the fixing member and the housing.
  • the fixing portion includes a first fixing portion and a second fixing portion, the first fixing portion is provided with a first fixing hole, and the second fixing portion is provided with a second fixing hole; wherein , the axis line of the first fixing hole is perpendicular to the axis line of the second fixing hole.
  • the inner side wall of the housing is provided with a first positioning slot and a second positioning slot corresponding to the first fixing hole and the second fixing hole respectively; wherein, the first fixing hole The second fixing hole is matched and connected with the second positioning groove in a matched and fixed connection with the first positioning groove.
  • the first positioning groove is formed concavely on the inner side wall of the casing in a direction away from the electro-acoustic device; the inner side wall of the casing is provided with a protrusion in the direction facing the electro-acoustic device block, the second positioning groove is formed on the convex block.
  • the axis of the first positioning groove is parallel to the axis of the first fixing hole
  • the axis of the second positioning groove is parallel to the axis of the second fixing hole String.
  • the smart watch further includes a cover plate, a display screen and a circuit board, the cover plate, the display screen and the casing are surrounded to form an accommodating space, the waterproof member, the The electro-acoustic device, the fixing member and the circuit board are arranged in the accommodating space, and the circuit board is electrically connected to the electro-acoustic device
  • the electronic device includes a display screen, a circuit board, and an electro-acoustic assembly
  • the electro-acoustic assembly includes a casing, a waterproof member, an electro-acoustic device, and a fixing member
  • the casing is provided with a sound outlet
  • the waterproof member is arranged on the inner side wall of the casing and surrounds the sound outlet
  • the electro-acoustic device is arranged on the inner side of the waterproof member away from the casing one side of the wall
  • the fixing piece cooperates with the casing to clamp and fix the electro-acoustic device
  • the display screen and the casing are enclosed to form a accommodating space
  • the circuit board is arranged on the in the accommodating space and electrically connected with the electro-acoustic device.
  • Electric equipment includes, but is not limited to, is configured to be connected via a wired line (eg, via a public switched telephone network (PSTN), digital subscriber line (DSL), digital cable, Direct cable connection, and/or another data connection/network) and/or via (eg, for cellular networks, wireless local area networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters , and/or another communication terminal's) wireless interface to receive/send communication signals.
  • PSTN public switched telephone network
  • DSL digital subscriber line
  • WLAN wireless local area networks
  • a communication terminal arranged to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal” or “mobile terminal”.
  • Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communication System (PCS) terminals that may combine cellular radio telephones with data processing, fax, and data communication capabilities; may include radio telephones, pagers, Internet/Intranet access , a PDA with a web browser, memo pad, calendar, and/or a global positioning system (GPS) receiver; and conventional laptop and/or palm receivers or other electronic devices including radiotelephone transceivers.
  • a mobile phone is an electronic device equipped with a cellular communication module.
  • the embodiment of the present application provides an electro-acoustic assembly to solve the above technical problem.
  • the electro-acoustic component can be applied to electronic devices, which can be tablet computers, mobile phones, e-readers, smart watches, personal computers (Personal Computer, PC), notebook computers, vehicle-mounted devices, Internet TVs, wearable devices, etc. Network-enabled smart devices.
  • the electronic device in the embodiment of the present application takes a smart watch as an example.
  • FIG. 1 is a schematic structural diagram of the electro-acoustic assembly 10 in the first embodiment of the present application
  • FIG. 2 is a structural disassembly schematic diagram of the electro-acoustic assembly 10 in the embodiment of FIG. 1.
  • the electro-acoustic assembly 10 includes a shell The body 11 , the electroacoustic device 12 , the sound cavity bracket 13 and the fixing bracket 14 .
  • the electro-acoustic device 12 is an electronic device that can convert audio electrical signals into sound signals, such as speakers, receivers, speakers, and the like.
  • the shell 11 may be composed of a front shell, a middle frame and a rear shell; alternatively, the shell 11 may be composed of a front shell and a middle frame; alternatively, the shell 11 may be composed of a rear shell and a middle frame; or , the housing 11 may be composed of a middle frame. It should be understood that the specific structural division of the housing 11 is not limited in the embodiment of the present application.
  • the housing 11 is provided with a bracket hole 111
  • the sound cavity bracket 13 is at least partially disposed in the bracket hole 111 and cooperates with the housing 11 to seal against water to prevent water vapor from entering the interior of the housing 11 .
  • the sound cavity bracket 13 is provided with a sound outlet slot 131 , and the sound outlet slot 131 communicates with the bracket hole 111 to emit sound when the electro-acoustic device 12 emits sound.
  • the sound cavity bracket 13 is also provided with a placement slot 132 , the bottom wall of which is communicated with the sound outlet slot 131 , wherein the placement slot 132 is used to place the electro-acoustic device 12 and fix the electro-acoustic device 12 .
  • the electro-acoustic device 12 is adhesively connected to the placement groove 132 of the sound cavity support 13 , for example, the electro-acoustic device 12 can be fixed to the placement groove 132 of the sound cavity support 13 by dispensing glue.
  • the sound outlet surface of the electroacoustic device 12 faces the sound outlet groove 131 , and the sound outlet surface of the electroacoustic device 12 and the placement groove 132 of the sound cavity bracket 13 form a waterproof interface by dispensing glue to prevent water vapor from entering the electroacoustic device 12 .
  • the gap between the sound outlet surface and the placement slot 132 enters the interior of the housing 11 .
  • the fixing bracket 14 is disposed on the side of the electro-acoustic device 12 away from the sound cavity support 13 , and is fixedly connected with the inner side wall of the housing 11 to further clamp and fix the electro-acoustic device 12 and the sound cavity support 13 .
  • the fixing bracket 14 can be fixedly connected to the housing 11 by means of screws or bolts, and at the same time, the electro-acoustic device 12 and the sound cavity bracket 13 can be clamped and fixed by the fixing bracket 14 and the housing 11 .
  • screw holes may be provided in the corresponding positions of the fixing bracket 14 , the sound cavity bracket 13 and the housing 11 , and the fixing bracket 14 , the sound cavity bracket 13 and the housing 11 are further fixed by screws or bolts. connect.
  • the fixing bracket 14 cooperates with the housing 11 to clamp and fix the sound cavity bracket 13
  • the fixing bracket 14 cooperates with the sound cavity bracket 13 to clamp and fix the electroacoustic device 12 .
  • the electro-acoustic device 12 itself has a high waterproof level and is not easily damaged by the entry of external water vapor, but the water vapor easily enters the interior of the casing 11 and damages the circuit structure inside the casing 11, such as the circuit board and the electro-acoustic device 12.
  • the circuit connection structure between them In the embodiment of the present application, a waterproof interface is first formed between the sound outlet surface of the electro-acoustic device 12 and the sound cavity bracket 13 through glue dispensing to prevent water vapor from entering through the gap between the sound outlet surface of the electro-acoustic device 12 and the sound cavity bracket 13 .
  • glue dispensing glue dispensing to prevent water vapor from entering through the gap between the sound outlet surface of the electro-acoustic device 12 and the sound cavity bracket 13 .
  • FIG. 3 is a partial cross-sectional structural diagram of the electroacoustic assembly 10 in the AA direction in the embodiment of FIG. 1.
  • the end of the sound cavity bracket 13 accommodated in the bracket hole 111 is sleeved with a waterproof ring 133.
  • the casing 11 cooperates with pressing the waterproof ring 133 to form a waterproof interface, which can prevent water vapor from entering the interior of the casing 11 through the gap between the sound cavity bracket 13 and the casing.
  • the waterproof ring 133 may be an elastic ring such as a rubber ring, a silicone ring, etc., so as to be deformed when the sound cavity bracket 13 and the casing 11 are pressed together, thereby achieving a waterproof effect.
  • the waterproof ring 133 is sleeved on the end of the sound chamber bracket 13 close to the casing 11, and when the sound chamber bracket 13 is matched with the casing, the waterproof ring 133 abuts against the inner wall of the bracket hole 111, so that the sound A waterproof interface is formed between the outer side of the end of the cavity bracket 13 and the inner side wall of the bracket hole 111 .
  • the waterproof ring 133 is sleeved on the outer circumference of the sound outlet slot 131 , that is, the waterproof ring 133 is arranged on the outer side of the end of the sound cavity bracket 13 and surrounds the sound outlet slot 131 , so that the waterproof ring 133 can be used when the sound cavity bracket 13 is matched with the casing. 133 abuts against the inner wall of the bracket hole 111 and deforms to achieve waterproof effect.
  • a waterproof interface is provided in the gap between the sound outlet surface of the electro-acoustic device and the sound cavity bracket, and a waterproof interface is provided in the gap between the sound cavity bracket and the shell, and multiple waterproof protections are provided. , to avoid water vapor entering the inside of the casing and damaging the circuit structure inside the casing.
  • the applicant has found that the above-mentioned first embodiment needs to rely on a sound cavity bracket to achieve the waterproof effect, which may increase the cost of the electro-acoustic device while achieving a better waterproof effect. Therefore, the applicant has further researched and found that if a better waterproof effect can be achieved without the aid of a sound cavity bracket, the competitiveness of the product is bound to be greatly improved.
  • the second embodiment of the present application also provides an electro-acoustic assembly to cancel the sound cavity bracket in the first embodiment, and at the same time, the electro-acoustic assembly provided by the second embodiment of the present application can achieve a better waterproof effect.
  • FIG. 4 is a schematic structural diagram of the electro-acoustic assembly 20 in the second embodiment of the present application
  • FIG. 5 is a structural disassembly schematic diagram of the electro-acoustic assembly 20 in the embodiment of FIG. 4
  • the electro-acoustic assembly 20 includes a shell body 21 , electro-acoustic device 22 , waterproof part 23 and fixing part 24 .
  • the electro-acoustic device 22 is an electronic device that can convert audio electrical signals into sound signals, such as speakers, receivers, speakers, and the like.
  • the shell 21 may be composed of a front shell, a middle frame and a rear shell; alternatively, the shell 21 may be composed of a front shell and a middle frame; alternatively, the shell 21 may be composed of a rear shell and a middle frame; or , the housing 21 may be composed of a middle frame. It should be understood that the specific structural division of the housing 21 is not limited in the embodiment of the present application.
  • the case 21 is made up of a middle frame as an example for description.
  • the casing 21 is provided with a sound outlet hole 211 , and the sound outlet hole 211 penetrates through the casing 21 , that is, the inner and outer surfaces of the middle frame.
  • the electro-acoustic device 22 is located inside the casing 21, and the sound-out surface of the electro-acoustic device 22 is disposed facing the sound-outlet hole 211, so that when the electro-acoustic device 22 emits sound, the sound can be transmitted to the outside of the casing 21 through the sound-outlet hole 211 .
  • the waterproof member 23 is disposed on the inner side wall of the casing 21 and surrounds the sound outlet hole 211 .
  • the electro-acoustic device 22 is arranged on the side of the waterproof member 23 away from the inner side wall of the casing 21 , and the fixing member 24 cooperates with the casing 21 to clamp and fix the electro-acoustic device 22 , so that the electro-acoustic device 22 squeezes the waterproof member 23 to produce deformation. Further, the gap between the inner side wall of the housing 21 and the electroacoustic device 22 is sealed.
  • the fixing member 24 and the casing 21 are fixedly connected to each other, and cooperate with the casing 21 to clamp and fix the electroacoustic device 22 .
  • the electroacoustic device 22 is clamped between the inner wall of the casing 21 (ie, the inner wall of the casing 21 with the sound outlet 211 ) and the fixing member 24 .
  • a waterproof member 23 is provided between the inner wall of the casing 21 with the sound outlet 211 and the electro-acoustic device 22 , and the waterproof member 23 is disposed around the outer periphery of the sound outlet 211 .
  • the electro-acoustic device 22 When the fixing member 24 is fixedly connected to the casing 21, the electro-acoustic device 22 is clamped and fixed between the inner side wall of the casing 21 (that is, the inner side wall of the casing 21 with the sound outlet 211) and the fixing member 24, and further The waterproof member 23 is squeezed and deformed to seal the gap between the inner wall of the casing 21 and the electroacoustic device 22 to form a waterproof interface between the inner wall of the casing 21 and the electroacoustic device 22 .
  • the waterproof member is arranged on the inner side wall of the casing, and the electro-acoustic device is clamped and fixed by the fixing member and the casing, so that the electro-acoustic device is deformed by pressing the waterproof member, and the casing is sealed.
  • the gap between the inner side wall of the body and the electro-acoustic device forms a waterproof interface between the inner side wall of the casing and the electro-acoustic device, thereby preventing water vapor from entering the casing and damaging the circuit structure inside the casing.
  • the waterproof interface is directly formed by the cooperation of the waterproof member and the electroacoustic device, which simplifies the waterproof interface of the electroacoustic component and reduces the risk of waterproof failure.
  • the electro-acoustic device 22 itself has a high waterproof level and is not easily damaged by the entry of external water vapor, but the water vapor easily enters the interior of the casing 21 and damages the circuit structure inside the casing 21, such as the circuit board and the electro-acoustic device 22.
  • a waterproof interface is provided in the gap between the outer periphery of the end of the sound cavity bracket and the inner wall of the housing bracket hole, which belongs to lateral pressure waterproofing;
  • the embodiment belongs to positive pressure waterproofing by forming a waterproof interface between the inner side wall of the casing and the electro-acoustic device. It should be understood that, to a certain extent, positive pressure waterproofing has certain advantages over lateral pressure waterproofing.
  • FIG. 6 is a partial cross-sectional structural diagram of the electro-acoustic assembly 20 in the BB direction in the embodiment of FIG. 4.
  • the inner side wall of the housing 21 is provided with an annular groove 212, and the annular groove 212 surrounds the outlet.
  • the periphery of the sound hole 211 is provided for accommodating the waterproof member 23 .
  • the annular groove 212 is recessed in the direction away from the electro-acoustic device 22, and the projection toward the direction of the electro-acoustic device 22 is located on the sound outlet surface of the electro-acoustic device 22, so that the electro-acoustic device 22 can fully squeeze the waterproof member 23, thereby making the The waterproof member 23 can completely seal the electro-acoustic device 22 and the inner side wall of the housing 21 .
  • the waterproof member 23 is filled in the annular groove 212 and has a ring shape to fit with the annular groove 212 .
  • the waterproof member 23 is adapted to the shape of the annular groove 212 , so that the waterproof member 23 can fill the annular groove 212 to improve waterproof sealing. Further, the waterproof member 23 protrudes from the annular groove 212 in a direction toward the electroacoustic device 22 .
  • the waterproof member 23 is placed or embedded in the annular groove 212, and the annular groove 212 can play a role in positioning the waterproof member 23, so that the waterproof member 23 is not easy to be in the casing. 21 and the electro-acoustic device 22 are displaced or dropped, thereby further improving the waterproof effect inside the casing 21 and the assembly stability of the electro-acoustic device 22 .
  • the waterproof member 23 can be a silicone ring, the waterproof member 23 is filled in the annular groove 212 and protrudes from the annular groove 212, and the electro-acoustic device 22 squeezes the waterproof member 23 during assembly, so that the waterproof member 23 is deformed, Further, a waterproof interface is formed in the gap between the electroacoustic device 22 and the inner side wall of the casing 21 .
  • the waterproof member 23 may also be an elastic waterproof rubber ring such as a rubber ring or a plastic ring.
  • the waterproof member 23 is integrally formed with the casing 21 .
  • the waterproof member 23 and the casing can be integrally formed by injection molding.
  • the waterproof member 23 may be formed on the casing 21 by dispensing glue. Further, an annular groove 212 is formed on the inner side wall of the casing 21 through a molding process, and then the liquid waterproof glue is completely placed in the annular groove 212 by a glue dispenser, and the waterproof member 23 is formed after the liquid waterproof glue is cured. It can be understood that the liquid waterproof glue may be a liquid colloid such as UV waterproof glue, liquid silica gel or the like.
  • the fixing member 24 cooperates with the casing 21 to clamp and fix the electro-acoustic device 22, so that the electro-acoustic device 22 squeezes the waterproof member 23 to deform, thereby forming a casing.
  • the waterproof interface between the inner side wall of the body and the electro-acoustic device, that is, the sound outlet surface of the electro-acoustic device 22 and the waterproof member 23 are pressed together by interference to form a waterproof interface.
  • FIG. 7 is a schematic structural diagram of the fixing member 24 in the embodiment of FIG. 4 .
  • the fixing member 24 includes a top holding portion 241 and a fixing portion 242 .
  • the top holding part 241 is used for clamping the electroacoustic device 22 in cooperation with the inner side wall of the casing 21 , that is, the electroacoustic device 22 is clamped between the inner side wall of the casing 21 and the top holding part 241 .
  • the fixing portion 242 is disposed on the outer periphery of the top-holding portion 241 and is fixedly connected with the casing 21 .
  • the top holding portion 241 and the fixing portion 242 are integrally formed.
  • the top holding portion 241 and the fixing portion 242 may be separately formed and then fixedly connected together to form the fixing member 24 .
  • the fixing portion 242 is provided at least at one end of the top holding portion 241 for fixed connection with the housing 21 .
  • two fixing portions 242 may be provided, which are respectively located at opposite ends of the top holding portion 241 to form a stable fixing structure with the casing 21 .
  • the inner side wall of the housing 21 is provided with a positioning groove 213
  • the fixing portion 242 is provided with a fixing hole
  • the fixing hole cooperates with the positioning groove 213 to fixedly connect the fixing member 24 and the housing 21 .
  • the fixing hole and the positioning groove 213 are fixedly connected by screws.
  • the fixing portion 24 and the housing 21 may also be fixedly connected by means such as snaps, slides, and the like.
  • FIG. 8 is a partial structural diagram of the housing 21 in the embodiment of FIG. 4 .
  • two fixing portions 242 are provided, which are located at opposite ends of the top holding portion 241 respectively.
  • the fixing portion 242 includes a first fixing portion 2421 and a second fixing portion 2422 , and the first fixing portion 2421 and the second fixing portion 2422 are located on two sides of the fixing member 24 respectively.
  • the first fixing portion 2421 defines a first fixing hole 2431
  • the second fixing portion 2422 defines a second fixing hole 2432 .
  • the inner side wall of the housing 21 is provided with a first positioning groove 2131 and a second positioning groove 2132 corresponding to the first fixing hole 2431 and the second fixing hole 2432 respectively.
  • the first fixing hole 2431 is fixedly connected with the first positioning groove 2131
  • the second fixing hole 2432 is fixedly connected with the second positioning groove 2132 .
  • first fixing hole 2431 and the first positioning groove 2131 are fixedly connected by the first screw 251
  • second fixing hole 2432 and the second positioning groove 2132 are fixedly connected by the second screw 252 as an example.
  • the axis of the first fixing hole 2431 is substantially parallel to the sound exit direction of the sound exit hole 211 (X direction as shown in FIG. 7 or FIG. 8 ), and the axis of the second fixing hole 2432 is substantially perpendicular to The sound exit direction of the sound exit hole 211 , that is, the axis of the second fixing hole 2432 is substantially parallel to the Z direction shown in FIG. 7 or FIG. 8 .
  • the axis of the first fixing hole 2431 is substantially perpendicular to the axis of the second fixing hole 2432 , so as to limit and fix the fixing member 24 in multiple directions.
  • the first positioning groove 2131 is recessed on the inner side wall of the housing 21 in the direction away from the electro-acoustic device 22 , the inner side wall of the housing 21 is provided with a bump 215 in the direction facing the electro-acoustic device 22 , and the second positioning groove 2132 formed on the bumps 215 .
  • the axis of the first positioning groove 2131 is generally parallel to the axis of the first fixing hole 2431
  • the axis of the second positioning groove 2132 is generally parallel to the axis of the second fixing hole 2432 .
  • FIG. 9 is a schematic structural diagram of the fixing member 24 and the electroacoustic device 22 in the embodiment of FIG. Limit surface 2412.
  • the end face of the electro-acoustic device 22 away from the waterproof member 23 is held against the holding surface 2411 , and the limiting surfaces 2412 are clamped on opposite sides of the electro-acoustic device 22 .
  • the supporting surface 2411 is in contact with the end surface of the electroacoustic device 22 away from the waterproof member 23 , so as to abut the electroacoustic device when the fixing member 24 is fixedly connected to the housing 21 . 22 to squeeze the waterproof member 23.
  • FIG. 10 is a schematic structural diagram of the electroacoustic assembly 20 in some embodiments of the present application.
  • the electroacoustic assembly 20 further includes a dustproof net 26 .
  • the dustproof net 26 is disposed on the inner side wall of the casing 21 and covers the sound outlet hole 211 on the casing 21 to prevent dust from entering the inside of the casing 21 from the sound outlet hole 211 .
  • the dustproof net 26 is bonded and connected to the inner side wall of the housing 21 .
  • the dustproof net 26 can be adhered to the inner side wall of the housing 21 by double-sided tape.
  • the waterproof member is arranged on the inner side wall of the casing, and the electro-acoustic device is clamped and fixed by the fixing member and the casing, so that the electro-acoustic device is deformed by pressing the waterproof member, and the casing is sealed.
  • the gap between the inner side wall of the body and the electro-acoustic device forms a waterproof interface between the inner side wall of the casing and the electro-acoustic device, thereby preventing water vapor from entering the casing and damaging the circuit structure inside the casing.
  • the waterproof interface is directly formed by the cooperation of the waterproof member and the electroacoustic device, which simplifies the waterproof interface of the electroacoustic component and reduces the risk of waterproof failure.
  • the waterproof reliability of the electroacoustic device is improved through the positive pressure waterproofing, and the assembly process is relatively simple, the cost is reduced, and the part design is simplified, thereby reducing the manufacturing cost of the whole machine.
  • a waterproof ring is set around the end of the sound cavity bracket, and cooperates with the inner wall of the shell bracket hole to form side pressure waterproofing, which affects the size of the shell bracket hole. Accuracy has certain requirements.
  • a waterproof member on the inner side wall of the casing to cooperate with the electro-acoustic device to form positive pressure waterproofing, the size and energy requirements of the casing are relatively low, and it is easy to process.
  • FIG. 11 is a schematic structural diagram of the smart watch 100 in other embodiments of the present application
  • FIG. 12 is the smart watch in the embodiment of FIG. 11
  • 100 is a partial structural disassembly schematic diagram.
  • the smart watch 100 includes an electro-acoustic assembly 30 and a strap 40 .
  • the electro-acoustic assembly 30 includes a casing 31 , an electro-acoustic device 32 , a waterproof member 33 and a fixing member 34 .
  • the electro-acoustic component 30 may be the electro-acoustic component 10 or the electro-acoustic component 20 in the foregoing embodiments, and the structure of the electro-acoustic component 30 will not be repeated in this embodiment of the present application.
  • the housing 31 of the electro-acoustic component 30 is described by taking the middle frame as an example.
  • the watch strap 40 is connected to the housing 31 of the electro-acoustic assembly 30 so as to be easily worn by the user.
  • the smart watch 100 may further include a cover plate 50 , a display screen 60 and a circuit board 70 .
  • the cover plate 50 , the display screen 60 and the casing 31 are surrounded to form an accommodating space 501 .
  • 34 and the circuit board 70 are arranged in the accommodating space 501 .
  • the circuit board 70 is electrically connected to the electroacoustic device 32 to provide power and control signals for the operation of the electroacoustic device 32 . It can be understood that the circuit board 70 can be a flexible circuit board.
  • the electro-acoustic device is set to be waterproof, so as to prevent water vapor from entering the inside of the smart watch and damage the circuit structure inside the smart watch.
  • FIG. 13 is a schematic structural diagram of an electronic device 300 in other embodiments of the present application.
  • the electronic device 300 may be a tablet computer, a mobile phone, an electronic reader Smart devices with network functions such as devices, smart watches, personal computers (PCs), notebook computers, in-vehicle devices, Internet TVs, and wearable devices.
  • the electronic device 300 includes a display screen 310 , a circuit board 320 and an electro-acoustic assembly.
  • the electro-acoustic assembly includes a housing 331 , an electro-acoustic device 332 , a waterproof member 333 and a fixing member 334 .
  • the electro-acoustic component may be the electro-acoustic component 10 or the electro-acoustic component 20 in the foregoing embodiments, and the structure of the electro-acoustic component will not be repeated in the embodiments of the present application.
  • the case 331 of the electro-acoustic component includes a middle frame and a rear case as an example for description.
  • the display screen 310 and the casing 331 are enclosed to form an accommodating space 311 , and the waterproof member 333 , the electroacoustic device 332 , the fixing member 334 and the circuit board 320 are arranged in the accommodating space 311 and are electrically connected with the electroacoustic device 332 .
  • the electro-acoustic device 332 is disposed on the sound-in side of the sound-outlet hole of the casing 331 corresponding to the sound-outlet hole. It can be understood that the sound input side is the side where the sound enters the sound outlet hole.
  • the sound outlet hole may not only be opened in the middle frame of the casing 331 , but also may be opened in the rear shell of the casing 331 , or in the joint portion of the middle frame and the rear casing. It should be understood that those skilled in the art can flexibly set the opening positions of the sound holes according to the structural layout of the electronic device 300.
  • the electro-acoustic device is provided to be waterproof, so as to prevent water vapor from entering the interior of the electronic device and damage the circuit structure inside the electronic device.
  • FIG. 14 is a schematic structural diagram of a mobile terminal device 900 in other embodiments of the present application.
  • the mobile terminal device 900 may be a mobile phone or a smart watch. , tablet computer, notebook computer, wearable device, etc., the illustration in the embodiment of the present application takes a smart watch as an example.
  • the structure of the mobile terminal device 900 may roughly include an RF circuit 910, a memory 920, an input unit 930, a display unit 940, a sensor 950, an audio circuit 960, a wifi module 970, a processor 980, a power supply 990, and the like.
  • the RF circuit 910 , the memory 920 , the input unit 930 , the display unit 940 , the sensor 950 , the audio circuit 960 and the wifi module 970 are respectively connected to the processor 980 ;
  • the RF circuit 910 is used to send and receive signals; the memory 920 is used to store data instruction information; the input unit 930 is used to input information, which may specifically include a touch panel 931 and other input devices 932 such as operation keys; the display unit 940 is used for
  • the sensor 950 may include a display panel 941, etc.; the sensor 950 includes an infrared sensor, a laser sensor, etc., for detecting user proximity signals, distance signals, etc.; the speaker 961 and the microphone (or the microphone, or the electro-acoustic device in the above embodiment) 962 through the audio circuit 960 is connected to the processor 980 for receiving and sending sound signals; the wifi module 970 is used for receiving and transmitting wifi signals, and the processor 980 is used for processing data information of the mobile terminal device.
  • the electro-acoustic assembly and the electro-acoustic device please refer to the relevant description of the above-mentioned embodiments of the electro-acoustic assembly, which will not be described in detail

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Abstract

本申请提供了一种电声组件，所述电声器件包括壳体、防水件、电声器件以及固定件；所述壳体开设有出音孔；所述防水件设于所述壳体的内侧壁，且环绕于所述出音孔；所述电声器件设于所述防水件背离所述壳体的内侧壁的一侧；所述固定件与所述壳体配合夹持固定所述电声器件。本申请实施例提供的电声组件，通过在壳体的内侧壁设置防水件，以及通过固定件与壳体配合夹持固定电声器件，以使得电声器件挤压防水件产生形变，密封壳体的内侧壁与电声器件之间的间隙，避免水汽进入壳体内部而损坏壳体内部的电路结构。

Description

电声组件、智能手表以及电子设备
本申请要求申请号为202021450507.4的中国专利申请的优先权，其内容通过引用结合在本申请中。
技术领域
本申请涉及电子设备技术领域，具体是涉及一种电声组件、智能手表以及电子设备。
背景技术
电子设备(例如智能手表、手机等)一般通过扬声器进行音频播放，目前，扬声器一般通过支架固定在电子设备壳体内部，导致水汽容易从电子设备壳体与扬声器之间的缝隙进入电子设备壳体的内部，损坏电子设备壳体内部的电路结构。
发明内容
本申请实施例一方面提供了一种电声组件，所述电声器件包括壳体、防水件、电声器件以及固定件；所述壳体开设有出音孔；所述防水件设于所述壳体的内侧壁，且环绕于所述出音孔；所述电声器件设于所述防水件背离所述壳体的内侧壁的一侧；所述固定件与所述壳体配合夹持固定所述电声器件。
本申请实施例另一方面还提供一种智能手表，所述智能手表包括表带以及电声组件，所述电声组件包括壳体、防水件、电声器件以及固定件；所述壳体开设有出音孔；所述防水件设于所述壳体的内侧壁，且环绕于所述出音孔；所述电声器件设于所述防水件背离所述壳体的内侧壁的一侧；所述固定件与所述壳体配合夹持固定所述电声器件；其中，所述表带与所述壳体连接。
本申请实施例又一方面还提供了一种电子设备，所述电子设备包括显示屏、电路板以及电声组件，所述电声组件包括壳体、防水件、电声器件以及固定件；所述壳体开设有出音孔；所述防水件设于所述壳体的内侧壁，且环绕于所述出音孔；所述电声器件设于所述防水件背离所述壳体的内侧壁的一侧；所述固定件与所述壳体配合夹持固定所述电声器件；其中，所述显示屏与所述壳体围设形成一容纳空间，所述电路板设于所述容纳空间内，并与所述电声器件电连接。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请第一实施例中电声组件的结构示意图；
图2是图1实施例中电声组件的结构拆分示意图；
图3是图1实施例中电声组件沿A-A向的部分截面结构示意图；
图4是本申请第二实施例中电声组件的结构示意图；
图5是图4实施例中电声组件的结构拆分示意图；
图6是图4实施例中电声组件沿B-B向的部分截面结构示意图；
图7是图4实施例中固定件的结构示意图；
图8是图4实施例中壳体的部分结构示意图；
图9是图4实施例中固定件与电声器件配合时的结构示意图；
图10是本申请部分实施例中电声组件的结构示意图；
图11是本申请另一些实施例中智能手表的结构示意图；
图12是图11实施例中智能手表的部分结构拆分示意图；
图13是本申请另一些实施例中电子设备的结构示意图；
图14是本申请另一些实施例中移动终端设备的结构组成示意图。
具体实施方式
下面结合附图和实施例，对本申请作进一步的详细描述。特别指 出的是，以下实施例仅用于说明本申请，但不对本申请的范围进行限定。同样的，以下实施例仅为本申请的部分实施例而非全部实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
本申请实施例一方面提供了一种电声组件，所述电声器件包括壳体、防水件、电声器件以及固定件；所述壳体开设有出音孔；所述防水件设于所述壳体的内侧壁，且环绕于所述出音孔；所述电声器件设于所述防水件背离所述壳体的内侧壁的一侧；所述固定件与所述壳体配合夹持固定所述电声器件。
在一些实施例中，所述内侧壁设有环形凹槽；所述防水件填充于所述环形凹槽，且呈环形状以与所述环形凹槽相适配。
在其他实施例中，所述环形凹槽朝向所述电声器件的投影位于所述电声器件的出音面。
在其他实施例中，所述防水件沿朝向所述电声器件的方向凸出于所述环形凹槽。
在其他实施例中，所述固定件包括顶持部和固定部，所述电声器件夹持在所述内侧壁与所述顶持部之间，所述固定部与所述壳体固定连接。
在其他实施例中，所述固定部设有固定孔，所述内侧壁设有定位槽，所述固定孔与所述定位槽配合固定连接所述固定件与所述壳体。
在其他实施例中，所述顶持部包括顶持面以及设于所述顶持面相对两端的限位面，所述电声器件背离所述防水件的端面顶持于所述顶持面，所述限位面夹持于所述电声器件的相对两侧。
在另一些实施例中，所述防水件与所述壳体一体成型。
在其他实施例中，所述防水件为硅胶圈，所述电声器件挤压所述防水件产生形变，进而密封所述壳体的内侧壁与所述电声器件之间的间隙。
在又一些实施例中，所述电声组件还包括防尘网，所述防尘网设于所述壳体的内侧壁，且覆盖于所述壳体上的出音孔。
在其他实施例中，所述防尘网与所述壳体的内侧壁粘接连接。
本申请实施例另一方面还提供一种智能手表，所述智能手表包括表带以及电声组件，所述电声组件包括壳体、防水件、电声器件以及固定件；所述壳体开设有出音孔；所述防水件设于所述壳体的内侧壁，且环绕于所述出音孔；所述电声器件设于所述防水件背离所述壳体的内侧壁的一侧；所述固定件与所述壳体配合夹持固定所述电声器件；其中，所述表带与所述壳体连接。
在一些实施例中，所述固定件包括顶持部和固定部，所述电声器件夹持在所述内侧壁与所述顶持部之间，所述固定部与所述壳体固定连接。
在其他实施例中，所述固定部设有固定孔，所述内侧壁设有定位槽，所述固定孔与所述定位槽配合固定连接所述固定件与所述壳体。
在其他实施例中，所述固定部包括第一固定部和第二固定部，所述第一固定部上开设有第一固定孔，所述第二固定部上开设有第二固定孔；其中，所述第一固定孔的轴心线和所述第二固定孔的轴心线垂直。
在其他实施例中，所述壳体的内侧壁设有分别与所述第一固定孔以及所述第二固定孔对应的第一定位槽和第二定位槽；其中，所述第一固定孔与所述第一定位槽配合连接，所述第二固定孔与所述第二定位槽配合固定连接。
在其他实施例中，所述第一定位槽在所述壳体的内侧壁沿背离所述电声器件的方向凹陷形成；所述壳体的内侧壁朝向所述电声器件的方向设置有凸块，所述第二定位槽形成于所述凸块上。
在其他实施例中，所述第一定位槽的轴心线平行于所述第一固定孔的轴心线，所述第二定位槽的轴心线平行于所述第二固定孔的轴心线。
在另一些实施例中，所述智能手表还包括盖板、显示屏以及电路板，所述盖板、所述显示屏以及所述壳体围设形成一容置空间，所述防水件、所述电声器件、所述固定件以及所述电路板设于所述容置空间内，所述电路板与所述电声器件电连接
本申请实施例又一方面还提供了一种电子设备，所述电子设备包括显示屏、电路板以及电声组件，所述电声组件包括壳体、防水件、电声器件以及固定件；所述壳体开设有出音孔；所述防水件设于所述壳体的内侧壁，且环绕于所述出音孔；所述电声器件设于所述防水件背离所述壳体的内侧壁的一侧；所述固定件与所述壳体配合夹持固定所述电声器件；其中，所述显示屏与所述壳体围设形成一容纳空间，所述电路板设于所述容纳空间内，并与所述电声器件电连接。
作为在此使用的“电子设备”(或简称为“终端”)包括，但不限于被设置成经由有线线路连接(如经由公共交换电话网络(PSTN)、数字用户线路(DSL)、数字电缆、直接电缆连接，以及/或另一数据连接/网络)和/或经由(例如，针对蜂窝网络、无线局域网(WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器，以及/或另一通信终端的)无线接口接收/发送通信信号的装置。被设置成通过无线接口通信的通信终端可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括，但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。手机即为配置有蜂窝通信模块的电子设备。
为解决水汽容易从电子设备壳体与扬声器之间的缝隙进入电子设备壳体的内部的技术问题，本申请实施例提供一种电声组件，以解决上述技术问题。该电声组件可以应用于电子设备，该电子设备可以是平板电脑、手机、电子阅读器、智能手表、个人计算机(Personal Computer，PC)、笔记本电脑、车载设备、网络电视、可穿戴设备等具有网络功能 的智能设备。本申请实施例的电子设备以智能手表为例。
请参阅图1和图2，图1是本申请第一实施例中电声组件10的结构示意图，图2是图1实施例中电声组件10的结构拆分示意图，电声组件10包括壳体11、电声器件12、音腔支架13以及固定支架14。其中，电声器件12是可以将音频电信号转换成声音信号的电子器件，例如扬声器、受话器、喇叭等。
可选的，壳体11可以由前壳、中框以及后壳组成；或者，壳体11可以由前壳和中框组成；又或者，壳体11可以由后壳和中框组成；再或者，壳体11可以由中框组成。应理解，本申请实施例对壳体11的具体结构划分不作限定。
具体而言，壳体11开设有支架孔111，音腔支架13至少部分设于支架孔111内并与壳体11配合密封防水，以避免水汽进入壳体11内部。音腔支架13上开设有出音槽131，该出音槽131与支架孔111连通，以在电声器件12发声时将声音发出。音腔支架13上还设有放置槽132，放置槽132的底壁与出音槽131连通，其中，放置槽132用于放置电声器件12，并对电声器件12进行固定。
优选的，电声器件12与音腔支架13的放置槽132粘接连接，例如，可以通过点胶的方式将电声器件12固定于音腔支架13的放置槽132。电声器件12的出音面正对出音槽131，通过点胶的方式使得电声器件12的出音面与音腔支架13的放置槽132形成防水界面，避免水汽进入电声器件12的出音面与放置槽132之间的缝隙，从而进入壳体11内部。
固定支架14设于电声器件12背离音腔支架13的一侧，并与壳体11的内侧壁固定连接，以进一步夹持固定电声器件12以及音腔支架13。例如，可以通过螺丝或者螺栓连接的方式将固定支架14与壳体11固定连接，同时通过固定支架14与壳体11配合夹持固定电声器件12以及音腔支架13。当然，在其他实施方式中，可以在固定支架14、音腔支架13以及壳体11的相应位置分别开设螺孔，并进一步通过螺丝或者螺栓将固定支架14、音腔支架13以及壳体11固定连接。其中，固定支架14与壳体11配合夹持固定音腔支架13，固定支架14与音腔支架13配 合夹持固定电声器件12。
可以理解的，电声器件12本身具有较高的防水级别，不易被外部水汽进入损坏，但水汽容易进入壳体11内部而损坏壳体11内部的电路结构，如电路板与电声器件12之间的电路连接结构。本申请实施例首先在电声器件12的出音面与音腔支架13之间通过点胶连接形成防水界面，避免水汽通过电声器件12的出音面与音腔支架13之间的缝隙进入壳体11内部。
结合参阅图3，图3是图1实施例中电声组件10沿A-A向的部分截面结构示意图，音腔支架13容纳于支架孔111的端部套设有防水圈133，音腔支架13与壳体11配合挤压防水圈133以形成防水界面，可以避免水汽通过音腔支架13与壳体之间的缝隙进入壳体11内部。防水圈133可以采用诸如橡胶圈、硅胶圈等弹性圈，以在音腔支架13与壳体11配合挤压下产生形变，进而起到防水效果。
具体而言，防水圈133套设于音腔支架13靠近壳体11的端部，并在音腔支架13与壳体配合时，防水圈133抵顶于支架孔111的内侧壁，从而在音腔支架13的端部外侧与支架孔111内侧壁之间形成防水界面。换言之，防水圈133套设于出音槽131的外周，即防水圈133设于音腔支架13的端部外侧并环绕于出音槽131，以在音腔支架13与壳体配合时防水圈133抵顶于支架孔111的内侧壁，并产生形变以实现防水效果。
本申请实施例提供的电声组件，通过在电声器件的出音面与音腔支架之间的缝隙设置防水界面，以及在音腔支架与壳体之间的缝隙设置防水界面，多重防水保护，避免水汽进入壳体内部而损坏壳体内部的电路结构。
申请人研究发现，上述第一实施例实现防水效果需要借助于音腔支架，在能实现较好的防水效果的同时可能会提升电声器件的成本。因此，申请人进一步研究发现，如果不借助音腔支架也能实现较好的防水效果，势必会对提升产品的竞争力有较大的提升。
基于此，本申请第二实施例还提供了一种电声组件，以取消第一实施例中的音腔支架，同时本申请第二实施例提供的电声组件能够实现较 好的防水效果。
请参阅图4和图5，图4是本申请第二实施例中电声组件20的结构示意图，图5是图4实施例中电声组件20的结构拆分示意图，电声组件20包括壳体21、电声器件22、防水件23以及固定件24。其中，电声器件22是可以将音频电信号转换成声音信号的电子器件，例如扬声器、受话器、喇叭等。
可选的，壳体21可以由前壳、中框以及后壳组成；或者，壳体21可以由前壳和中框组成；又或者，壳体21可以由后壳和中框组成；再或者，壳体21可以由中框组成。应理解，本申请实施例对壳体21的具体结构划分不作限定。
在本申请实施例中，以壳体21由中框组成为例进行说明。壳体21开设有出音孔211，该出音孔211贯穿壳体21即中框的内外表面。电声器件22位于壳体21内部，且电声器件22的出音面正对出音孔211设置，以在电声器件22发声时能够通过出音孔211将声音传播到壳体21的外部。防水件23设于壳体21的内侧壁，且环绕于出音孔211。电声器件22设于防水件23背离壳体21的内侧壁的一侧，固定件24与壳体21配合夹持固定电声器件22，以使得电声器件22挤压防水件23产生形变，进而密封壳体21的内侧壁与电声器件22之间的间隙。
具体而言，固定件24与壳体21相互固定连接，并与壳体21配合夹持固定电声器件22。电声器件22被夹持在壳体21的内侧壁(即壳体21开设有出音孔211的内侧壁)和固定件24之间。换言之，壳体21开设有出音孔211的内侧壁与电声器件22之间设有防水件23，且防水件23环绕设置于出音孔211的外周。当固定件24与壳体21固定连接时，电声器件22被夹持固定在壳体21的内侧壁(即壳体21开设有出音孔211的内侧壁)和固定件24之间，进而挤压防水件23使其产生形变，从而密封壳体21的内侧壁与电声器件22之间的间隙，以在壳体21的内侧壁与电声器件22之间形成防水界面。
本申请实施例提供的电声组件，通过在壳体的内侧壁设置防水件，以及通过固定件与壳体配合夹持固定电声器件，以使得电声器件挤压防 水件产生形变，密封壳体的内侧壁与电声器件之间的间隙，进而在壳体的内侧壁与电声器件之间形成防水界面，从而避免水汽进入壳体内部而损坏壳体内部的电路结构。另外，本申请实施例直接通过防水件与电声器件配合形成防水界面，简化电声组件的防水界面，降低防水失效风险。
可以理解的，电声器件22本身具有较高的防水级别，不易被外部水汽进入损坏，但水汽容易进入壳体21内部而损坏壳体21内部的电路结构，如电路板与电声器件22之间的电路连接结构。本申请实施例与第一实施例的区别在于：第一实施例通过在音腔支架的端部外围与壳体支架孔的内侧壁之间的缝隙设置防水界面，属于侧压防水；而本申请实施例通过在壳体的内侧壁与电声器件之间形成防水界面，属于正压防水。应理解，在一定程度上，正压防水相较于侧压防水具有一定的优势。
结合参阅图5和图6，图6是图4实施例中电声组件20沿B-B向的部分截面结构示意图，壳体21的内侧壁设有环形凹槽212，该环形凹槽212环绕于出音孔211的外围设置，且用于容置防水件23。环形凹槽212沿背离电声器件22的方向凹陷形成，且朝向电声器件22方向的投影位于电声器件22的出音面，以使得电声器件22可以全面挤压防水件23，进而使得防水件23可以完全密封电声器件22与壳体21的内侧壁。
防水件23填充于环形凹槽212，且呈环形状以与环形凹槽212相适配。具体的，防水件23与环形凹槽212的形状相适配，以使得防水件23可以填满环形凹槽212，提升防水密封性。进一步地，防水件23沿朝向电声器件22的方向凸出于环形凹槽212。本申请实施例提供的电声组件20装配完成时，防水件23置入或嵌入环形凹槽212内，环形凹槽212能够对防水件23起到定位的作用，使防水件23不易在壳体21与电声器件22之间发生偏位或脱落，从而进一步提高壳体21内部的防水效果以及电声器件22的装配稳固性。
进一步地，防水件23可以为硅胶圈，防水件23填充于环形凹槽212并凸出于环形凹槽212，电声器件22在装配时挤压防水件23，以使得防水件23产生形变，进而在电声器件22与壳体21的内侧壁之间的缝隙形成防水界面。当然，在其他实施方式中，防水件23也可以为橡胶 圈、塑胶圈等弹性防水胶圈。
在本申请部分实施例中，防水件23与壳体21一体成型。具体而言，可以采用注塑成型的方式一体成型防水件23与壳体。
当然，在其他实施方式中，可以通过点胶的方式在壳体21上形成防水件23。进一步地，通过成型工艺在壳体21的内侧壁形成环形凹槽212，然后通过点胶机将液态防水胶整圈点在环形凹槽212内，待液态防水胶固化后即形成防水件23。可以理解的，液态防水胶可以是UV防水胶、液态硅胶等液态胶体。
进一步地，在壳体21内侧壁形成防水件23后，固定件24与壳体21配合夹持固定电声器件22，以使得电声器件22挤压防水件23使其产生形变，进而形成壳体的内侧壁与电声器件之间的防水界面，即电声器件22的出音面与防水件23过盈配合压紧形成防水界面。
其中，固定件24与壳体21固定连接。结合参阅图7，图7是图4实施例中固定件24的结构示意图，固定件24包括顶持部241和固定部242。顶持部241用于与壳体21的内侧壁配合夹持电声器件22，即电声器件22夹持在壳体21的内侧壁与顶持部241之间。固定部242设于顶持部241的外周缘，并与壳体21固定连接。
在部分实施方式中，顶持部241和固定部242一体成型。当然，在其他实施实施方式中，顶持部241和固定部242可以分别单独成型后，固定连接在一起形成固定件24。
可以理解的，固定部242至少设于顶持部241的一端，以用于与壳体21固定连接。例如，固定部242可以设有两个，分别位于顶持部241的相对两端，以与壳体21形成稳定的固定结构。
进一步地，壳体21的内侧壁设有定位槽213，固定部242设有固定孔，固定孔与定位槽213配合固定连接固定件24与壳体21。具体而言，固定孔与定位槽213通过螺丝固定连接。当然，在其他实施方式中，固定部24与壳体21还可以通过诸如卡扣、滑扣等方式固定连接。
结合参阅图8，图8是图4实施例中壳体21的部分结构示意图，在本实施例中，固定部242设有两个，分别位于顶持部241的相对两端。
具体而言，固定部242包括第一固定部2421以及第二固定部2422，第一固定部2421以及第二固定部2422分别位于固定件24的两侧。第一固定部2421上开设有第一固定孔2431，第二固定部2422上开设有第二固定孔2432。壳体21的内侧壁设有分别与第一固定孔2431以及第二固定孔2432对应的第一定位槽2131和第二定位槽2132。其中，第一固定孔2431与第一定位槽2131配合固定连接，第二固定孔2432与第二定位槽2132配合固定连接。
需要说明的是，本申请中的术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”、“第三”的特征可以明示或者隐含地包括至少一个该特征。
在本申请实施例中，以第一固定孔2431与第一定位槽2131通过第一螺丝251固定连接、第二固定孔2432与第二定位槽2132通过第二螺丝252固定连接为例。
其中，第一固定孔2431的轴心线大体上平行于出音孔211的出音方向(如图7或图8所示的X方向)，第二固定孔2432的轴心线大体上垂直于出音孔211的出音方向，即第二固定孔2432的轴心线大体上平行于图7或图8所示的Z方向。换言之，第一固定孔2431的轴心线与第二固定孔2432的轴心线大体上垂直，以在多个方向上对固定件24进行限位固定。
进一步地，第一定位槽2131在壳体21的内侧壁沿背离电声器件22的方向凹陷形成，壳体21的内侧壁朝向电声器件22的方向设置有凸块215，第二定位槽2132形成于凸块215上。第一定位槽2131的轴心线大体上平行于第一固定孔2431的轴心线，第二定位槽2132的轴心线大体上平行于第二固定孔2432的轴心线。
需要说明的是，本申请实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
请参阅图9，图9是图4实施例中固定件24与电声器件22配合时的结构示意图，固定件24的顶持部241包括顶持面2411以及设于顶持面2411相对两端的限位面2412。其中，电声器件22背离防水件23的端面顶持于顶持面2411，限位面2412夹持于电声器件22的相对两侧。
具体而言，在出音孔的出音方向上，顶持面2411与电声器件22背离防水件23的端面接触连接，以在固定件24与壳体21固定连接时抵顶于电声器件22以挤压防水件23。
在本申请部分实施例中，还设置有防尘网以阻挡外部的灰尘进入壳体内部。具体而言，请参阅图10，图10是本申请部分实施例中电声组件20的结构示意图，电声组件20还包括防尘网26。其中，防尘网26设于壳体21的内侧壁，且覆盖于壳体21上的出音孔211，以用于防止灰尘从出音孔211进入壳体21内部。
进一步地，防尘网26与壳体21的内侧壁粘接连接。例如，可以通过双面胶将防尘网26粘接于壳体21的内侧壁。
本申请实施例提供的电声组件，通过在壳体的内侧壁设置防水件，以及通过固定件与壳体配合夹持固定电声器件，以使得电声器件挤压防水件产生形变，密封壳体的内侧壁与电声器件之间的间隙，进而在壳体的内侧壁与电声器件之间形成防水界面，从而避免水汽进入壳体内部而损坏壳体内部的电路结构。另外，本申请实施例直接通过防水件与电声器件配合形成防水界面，简化电声组件的防水界面，降低防水失效风险。同时，通过正压防水提高电声器件的防水可靠性，且组装工艺较为简易，降低成本，简化零件设计，从而降低整机的制造成本。
可以理解的，在本申请的第一实施例中，通过在音腔支架的端部外围套设防水圈，并与壳体支架孔的内侧壁配合形成侧压防水，对壳体支架孔的尺寸精度有一定的要求。在本申请的第二实施例中，通过在壳体的内侧壁设置防水件以与电声器件配合形成正压防水，对壳体的尺寸精力要求相对较低，易于加工。
另外，本申请实施例还提供了一种智能手表，请结合参阅图11和图12，图11是本申请另一些实施例中智能手表100的结构示意图，图 12是图11实施例中智能手表100的部分结构拆分示意图，该智能手表100包括电声组件30以及表带40，电声组件30包括壳体31、电声器件32、防水件33以及固定件34。其中，电声组件30可以为前述实施例中的电声组件10或者电声组件20，本申请实施例对电声组件30的结构不再进行赘述。在本申请实施例中，电声组件30的壳体31以中框为例进行说明。表带40与电声组件30的壳体31连接，以便于用户佩戴。
智能手表100进一步还可以包括盖板50、显示屏60以及电路板70，盖板50、显示屏60以及壳体31围设形成一容置空间501，防水件33、电声器件32、固定件34以及电路板70设于容置空间501内。其中，电路板70与电声器件32电连接，以为电声器件32工作提供电源以及控制信号。可以理解的，电路板70可以为柔性电路板。
本申请实施例提供的智能手表，通过设置电声器件防水，避免水汽进入智能手表内部而损坏智能手表内部的电路结构。
此外，本申请实施例还提供了一种电子设备，请结合参阅图13，图13是本申请另一些实施例中电子设备300的结构示意图，该电子设备300可以是平板电脑、手机、电子阅读器、智能手表、个人计算机(Personal Computer，PC)、笔记本电脑、车载设备、网络电视、可穿戴设备等具有网络功能的智能设备。电子设备300包括显示屏310、电路板320以及电声组件，电声组件包括壳体331、电声器件332、防水件333以及固定件334。其中，电声组件可以为前述实施例中的电声组件10或者电声组件20，本申请实施例对电声组件的结构不再进行赘述。在本申请实施例中，以电声组件的壳体331包括中框和后壳为例进行说明。
进一步地，显示屏310与壳体331围设形成一容纳空间311，防水件333、电声器件332、固定件334以及电路板320设于容纳空间311内，并与电声器件332电连接，以为电声器件332工作提供电源以及控制信号。其中，电声器件332在壳体331的出音孔的入音侧与出音孔对应设置。可以理解的，该入音侧为声音进入出音孔的一侧。当然，在其他实施例中，出音孔不仅可以开设于壳体331的中框，也可以开设于壳体331的后壳，或者开设于中框与后壳的结合部。应理解，本领域技术 人员可以根据电子设备300的结构布局灵活设置出音孔的开设位置。
本申请实施例提供的电子设备，通过设置电声器件防水，避免水汽进入电子设备内部而损坏电子设备内部的电路结构。
进一步地，本申请实施例还提供了一种移动终端设备，请参阅图14，图14是本申请另一些实施例中移动终端设备900的结构组成示意图，该移动终端设备900可以为手机、智能手表、平板电脑、笔记本电脑以及可穿戴设备等，本申请实施例图示以智能手表为例。该移动终端设备900的结构大致上可以包括RF电路910、存储器920、输入单元930、显示单元940、传感器950、音频电路960、wifi模块970、处理器980以及电源990等。其中，RF电路910、存储器920、输入单元930、显示单元940、传感器950、音频电路960以及wifi模块970分别与处理器980连接；电源990用于为整个移动终端设备900提供电能。
具体而言，RF电路910用于接发信号；存储器920用于存储数据指令信息；输入单元930用于输入信息，具体可以包括触控面板931以及操作按键等其他输入设备932；显示单元940则可以包括显示面板941等；传感器950包括红外传感器、激光传感器等，用于检测用户接近信号、距离信号等；扬声器961以及传声器(或者麦克风，或者上述实施例中的电声器件)962通过音频电路960与处理器980连接，用于接发声音信号；wifi模块970则用于接收和发射wifi信号，处理器980用于处理移动终端设备的数据信息。关于电声组件以及电声器件的相关技术特征，请参阅上述电声组件实施例的相关描述，此处不再进行详细介绍。
需要说明的是，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
以上所述仅为本申请的部分实施例，并非因此限制本申请的保护范围，凡是利用本申请说明书及附图内容所作的等效装置或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的 专利保护范围内。

Claims (20)

  1. 一种电声组件，其特征在于，包括：
    壳体，开设有出音孔；
    防水件，设于所述壳体的内侧壁，且环绕于所述出音孔；
    电声器件，设于所述防水件背离所述壳体的内侧壁的一侧；
    固定件，与所述壳体配合夹持固定所述电声器件。
  2. 根据权利要求1所述的电声组件，其特征在于，所述内侧壁设有环形凹槽；所述防水件填充于所述环形凹槽，且呈环形状以与所述环形凹槽相适配。
  3. 根据权利要求2所述的电声器件，其特征在于，所述环形凹槽朝向所述电声器件的投影位于所述电声器件的出音面。
  4. 根据权利要求2所述的电声组件，其特征在于，所述防水件沿朝向所述电声器件的方向凸出于所述环形凹槽。
  5. 根据权利要求1所述的电声组件，其特征在于，所述固定件包括顶持部和固定部，所述电声器件夹持在所述内侧壁与所述顶持部之间，所述固定部与所述壳体固定连接。
  6. 根据权利要求5所述的电声组件，其特征在于，所述固定部设有固定孔，所述内侧壁设有定位槽，所述固定孔与所述定位槽配合固定连接所述固定件与所述壳体。
  7. 根据权利要求5所述的电声组件，其特征在于，所述顶持部包括顶持面以及设于所述顶持面相对两端的限位面，所述电声器件背离所述防水件的端面顶持于所述顶持面，所述限位面夹持于所述电声器件的相对两侧。
  8. 根据权利要求1所述的电声组件，其特征在于，所述防水件与所述壳体一体成型。
  9. 根据权利要求1所述的电声组件，其特征在于，所述防水件为硅胶圈，所述电声器件挤压所述防水件产生形变，进而密封所述壳体的内侧壁与所述电声器件之间的间隙。
  10. 根据权利要求1所述的电声组件，其特征在于，所述电声组件还包括防尘网，所述防尘网设于所述壳体的内侧壁，且覆盖于所述壳体上的出音孔。
  11. 根据权利要求10所述的电声组件，其特征在于，所述防尘网与所述壳体的内侧壁粘接连接。
  12. 一种智能手表，其特征在于，包括：
    表带；以及
    电声组件，所述电声组件包括：
    壳体，开设有出音孔；
    防水件，设于所述壳体的内侧壁，且环绕于所述出音孔；
    电声器件，设于所述防水件背离所述壳体的内侧壁的一侧；
    固定件，与所述壳体配合夹持固定所述电声器件；
    其中，所述表带与所述壳体连接。
  13. 根据权利要求12所述的智能手表，其特征在于，所述固定件包括顶持部和固定部，所述电声器件夹持在所述内侧壁与所述顶持部之间，所述固定部与所述壳体固定连接。
  14. 根据权利要求13所述的智能手表，其特征在于，所述固定部设有固定孔，所述内侧壁设有定位槽，所述固定孔与所述定位槽配合固定连接所述固定件与所述壳体。
  15. 根据权利要求14所述的智能手表，其特征在于，所述固定部包括第一固定部和第二固定部，所述第一固定部上开设有第一固定孔，所述第二固定部上开设有第二固定孔；其中，所述第一固定孔的轴心线和所述第二固定孔的轴心线垂直。
  16. 根据权利要求15所述的智能手表，其特征在于，所述壳体的内侧壁设有分别与所述第一固定孔以及所述第二固定孔对应的第一定位槽和第二定位槽；其中，所述第一固定孔与所述第一定位槽配合连接，所述第二固定孔与所述第二定位槽配合固定连接。
  17. 根据权利要求16所述的智能手表，其特征在于，所述第一定位槽在所述壳体的内侧壁沿背离所述电声器件的方向凹陷形成；所述壳 体的内侧壁朝向所述电声器件的方向设置有凸块，所述第二定位槽形成于所述凸块上。
  18. 根据权利要求17所述智能手表，其特征在于，所述第一定位槽的轴心线平行于所述第一固定孔的轴心线，所述第二定位槽的轴心线平行于所述第二固定孔的轴心线。
  19. 根据权利要求12所述的智能手表，其特征在于，所述智能手表还包括盖板、显示屏以及电路板，所述盖板、所述显示屏以及所述壳体围设形成一容置空间，所述防水件、所述电声器件、所述固定件以及所述电路板设于所述容置空间内，所述电路板与所述电声器件电连接。
  20. 一种电子设备，其特征在于，包括：
    显示屏；
    电路板；以及
    电声组件，所述电声组件包括：
    壳体，开设有出音孔；
    防水件，设于所述壳体的内侧壁，且环绕于所述出音孔；
    电声器件，设于所述防水件背离所述壳体的内侧壁的一侧；
    固定件，与所述壳体配合夹持固定所述电声器件；
    其中，所述显示屏与所述壳体围设形成一容纳空间，所述电路板设于所述容纳空间内，并与所述电声器件电连接。
PCT/CN2021/092049 2020-07-21 2021-05-07 电声组件、智能手表以及电子设备 WO2022016955A1 (zh)

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