CN107690113B - Loudspeaker assembly and mobile terminal - Google Patents

Loudspeaker assembly and mobile terminal Download PDF

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Publication number
CN107690113B
CN107690113B CN201710766801.2A CN201710766801A CN107690113B CN 107690113 B CN107690113 B CN 107690113B CN 201710766801 A CN201710766801 A CN 201710766801A CN 107690113 B CN107690113 B CN 107690113B
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CN
China
Prior art keywords
loudspeaker
water
cavity
speaker
mobile terminal
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CN201710766801.2A
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CN107690113A (en
Inventor
丁火根
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GANZHOU XINGUAN TECHNOLOGY Co.,Ltd.
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Ganzhou Xinguan Technology Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The invention discloses a loudspeaker assembly and a mobile terminal, wherein the loudspeaker assembly comprises a shell, a loudspeaker and a water absorbing piece, a front cavity and a rear cavity which are mutually communicated are arranged in the shell, the front cavity is communicated with the outer space of the shell, the loudspeaker is sealed at the communication position of the front cavity and the rear cavity, the water absorbing piece is arranged in the front cavity, and the loudspeaker is integrally waterproof. The invention solves the technical problem that the sound production effect is poor due to the waterproof structure of the existing loudspeaker.

Description

Loudspeaker assembly and mobile terminal
Technical Field
The invention relates to the technical field of sound output devices of mobile terminals, in particular to a loudspeaker assembly and a mobile terminal.
Background
With the development of communication technology, portable mobile terminals (such as smart phones, tablet computers, and the like) are increasingly widely used, and in the process of daily use of the mobile terminals by users, the mobile terminals inevitably and easily contact water, such as rain, fall into water, and the like. The existing waterproof loudspeaker structure generally realizes the waterproof effect by directly isolating the whole sound-generating element from the outside, so that although the waterproof loudspeaker structure is waterproof, the sound-generating effect of the loudspeaker is seriously influenced, namely the existing loudspeaker has the technical problem that the sound-generating effect is poor due to the waterproof structure.
Disclosure of Invention
The invention mainly aims to provide a loudspeaker assembly and a mobile terminal, and aims to solve the technical problem that the sound production effect is poor due to a waterproof structure of the existing loudspeaker.
In order to achieve the above object, an embodiment of the present invention provides a speaker assembly, where the speaker assembly includes a housing, a speaker, and a water absorbing member, a front cavity and a rear cavity that are communicated with each other are provided in the housing, the front cavity is communicated with an external space of the housing, the speaker is sealed at a communication position of the front cavity and the rear cavity, the water absorbing member is provided in the front cavity, and the speaker is waterproof as a whole.
Optionally, the speaker portion is disposed in a sealed rear cavity with the sound output side of the speaker facing the front cavity.
Optionally, the speaker includes a support and a diaphragm disposed on one side of the support, the diaphragm is disposed on one side of the support facing the front cavity, and one side of the support facing away from the diaphragm is sealed and disposed in the rear cavity.
Optionally, the water absorbing member is attached to a wall of the front cavity, and the water absorbing member is located in a sound emitting direction of the diaphragm.
Optionally, a waterproof net is arranged on one side of the diaphragm facing the front cavity.
Optionally, the surface of the shell is provided with a waterproof layer.
Optionally, a channel communicating an outer space of the housing with the front cavity is formed in the housing, and the channel is disposed on one side of the diaphragm in the sound emitting direction.
Optionally, a plurality of staggered water blocking members are arranged in the channel.
Optionally, a water collecting tank is arranged between the water retaining pieces, and a drain pipe communicated with the outer space of the shell is arranged at the bottom of the water collecting tank.
The invention also provides a mobile terminal which comprises the loudspeaker assembly, and a shell of the loudspeaker assembly is connected with the mobile terminal.
According to the invention, the loudspeaker is arranged in the cavity in the shell, and the loudspeaker divides the cavity in the shell into the sealed rear cavity and the front cavity communicated with the external space, so that the sound emitted by the loudspeaker can pass through the front cavity and be transmitted to the external space of the shell, the phenomenon that the loudspeaker is isolated from the outside and the output sound cannot be transmitted to the outside better due to the fact that the loudspeaker is completely sealed is avoided, and the sound production effect of the loudspeaker is ensured; simultaneously, the speaker is whole waterproof, when the unexpected water of intaking of speaker subassembly or during in-water work, water can get into and be detained in the antechamber, and speaker itself is whole waterproof, if cover a layer waterproof layer (like waterproof membrane, nanometer coating etc.) on the part that the speaker exposes in the antechamber, this waterproof layer keeps apart water, nevertheless does not keep apart the air to under the audio output prerequisite of not influencing the speaker, good waterproof has been carried out to the speaker. Meanwhile, after water enters the proud cavity, a user can swing a carrier (such as a mobile terminal) where the loudspeaker assembly is located, so that a large amount of water entering the proud cavity is thrown out, a considerable part of water drops are remained on the surface of the loudspeaker, a part of residual water also exists in the water absorbing piece arranged in the proud cavity, if the water absorbing piece is not arranged, the water drops can jump on a vibrating diaphragm of the loudspeaker to generate noise when the loudspeaker works, the water drops are difficult to remove or evaporate within 24 hours, after the water absorbing piece is added, when the loudspeaker works, the water drops are pushed to the water absorbing piece under the action of the vibrating diaphragm of the loudspeaker, when the water drops contact the water absorbing piece, the water drops are absorbed by the water absorbing piece, the loudspeaker returns to a normal working state, and due to the working of the loudspeaker, air in the proud cavity is pushed to carry out air convection and exchange with the external space, so that the evaporation of the water on the inner core of the proud cavity is accelerated, thereby achieving rapid dehydration and air drying of the speaker assembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of a hardware structure of an alternative mobile terminal for implementing various embodiments of the present invention;
FIG. 2 is a diagram of a wireless communication device of the mobile terminal of FIG. 1;
fig. 3 is a schematic view showing the overall structure of the speaker assembly of the present invention;
FIG. 4 is a schematic cross-sectional view of one embodiment of the speaker assembly of FIG. 3 in the direction A-A;
FIG. 5 is a schematic cross-sectional view of another embodiment of the speaker assembly of FIG. 3 in the A-A direction;
fig. 6 is a partially enlarged schematic view of a portion a in fig. 5.
Description of the drawing reference numerals:
reference numerals Name (R) Reference numerals Name (R)
1 Outer casing 2 Water absorbing member
3 Loudspeaker 31 Vibrating diaphragm
4 Front cavity 5 Rear cavity
6 Channel 61 Water retaining piece
62 Water collecting tank 63 Drain pipe
H Water (W)
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the Radio Frequency unit 101 may be configured to receive and transmit signals during a message transmission or call, specifically, receive downlink information of a base station and then process the received downlink information to the processor 110, and transmit uplink data to the base station, in General, the Radio Frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like, and in addition, the Radio Frequency unit 101 may further communicate with a network and other devices through wireless communication, and the wireless communication may use any communication standard or protocol, including, but not limited to, GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access ), TD-SCDMA (Synchronous Time Division Multiple Access, Code Division Multiple Access, Time Division Multiple Access, etc., TDD — Time Division Multiple Access, L Time Division Multiple Access, etc.
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a liquid Crystal Display (L acquired Crystal Display, L CD), an Organic light-Emitting Diode (O L ED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs and various data, and the memory 109 may be a computer storage medium, and the memory 109 stores the mobile terminal operation response program of the present invention. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Such as processor 110, executing mobile terminal operation response programs in memory 109 to implement the steps of various embodiments of the mobile terminal operation response method of the present invention.
Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, the communication Network system is L TE system of universal mobile telecommunications technology, and the L TE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and charging functions Entity) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although L TE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to L TE system, but also applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the speaker assembly and the mobile terminal.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be connected through one or more intervening components or through an interaction between two components, unless expressly defined otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a loudspeaker assembly, in one embodiment of the loudspeaker assembly, referring to fig. 3 and 4, the loudspeaker assembly 10 comprises a shell 1, a loudspeaker 3 and a water absorbing piece 2, a front cavity 4 and a rear cavity 5 which are communicated with each other are arranged inside the shell 1, the front cavity 4 is communicated with the external space of the shell 1, the loudspeaker 3 is sealed at the communication position of the front cavity 4 and the rear cavity 5, the water absorbing piece 2 is arranged in the front cavity, and the whole loudspeaker is waterproof.
The speaker assembly 10 of the present embodiment can be disposed in a mobile terminal, referring to fig. 3, the housing 1 can be a square, circular, polygonal, or other shape structure, and the shape structure of the housing 1 can be determined according to an installation space structure for installing the housing in the mobile terminal, for example, if the installation space structure for installing the speaker assembly in the mobile terminal is a flat square space structure, the shape of the housing 1 is a corresponding flat square block body to be adapted to the flat square space structure. After the speaker assembly 10 is installed inside the mobile terminal, the speaker is electrically connected to the mobile terminal circuit board to receive the audio signal triggered by the mobile terminal processor and output a corresponding sound.
Front chamber 4 and rear chamber 5 that communicate each other are seted up to the inside of shell 1, and speaker 3 just in time seals the intercommunication department of locating front chamber 4 and rear chamber 5, and speaker 3 carries out totally enclosed shutoff to the intercommunication department of front chamber 4 and rear chamber 5 promptly, that is to say that speaker 3 divides into front chamber 4 and rear chamber 5 with the inside cavity of shell 1, and front chamber 4 is the same with the external world (the exterior space of shell 1 promptly), and rear chamber 5 then is in totally enclosed state. Alternatively, the speaker 3 and the housing 1 are sealed by dispensing, the communication part of the front cavity 4 and the rear cavity 5 (i.e., the housing 1) is bonded to the speaker 3 by dispensing with a dispenser, and after the speaker 3 is bonded to the communication part of the front cavity 4 and the rear cavity 5, the speaker 3 and the housing 1 are ultrasonically sealed by ultrasonic bonding. It should be explained that ultrasonic bonding is to place the material to be bonded between the horn of the ultrasonic generator and the roller, and due to the pressure and vibration generated during the process, mechanical pressure is generated between the material molecules, and heat is released to soften and bond the material at the joint.
The loudspeaker assembly 10 further comprises a water absorbing member 2 with strong hydrophilicity and water storage capacity, the water absorbing member 2 is arranged in the front cavity 4, and the water absorbing member 2 can be attached to the wall of the front cavity 4; optionally, the water absorbing member 2 is disposed in the sound emitting direction of the speaker 3, when water drops remain on the speaker 3, when the speaker 3 is in operation, water is prevented from being retained in the speaker 3 or the front chamber 4 due to vibration of the speaker 3 to vibrate the water drops toward the water absorbing member 2, and water is adsorbed on the water absorbing member 2 in time, so that water is concentrated and evaporated in the front chamber 4. The water absorbing member 2 may be a sponge, a sound absorbing cotton, a water absorbing resin, an absorbing synthetic material member, etc., and the water absorbing member 2 should have strong water absorption and water storage properties.
In the embodiment, the loudspeaker is arranged in the cavity in the shell, and the loudspeaker divides the cavity in the shell into the sealed rear cavity and the front cavity communicated with the external space, so that the sound emitted by the loudspeaker can pass through the front cavity and be transmitted to the external space of the shell, the phenomenon that the loudspeaker is isolated from the outside and the output sound cannot be transmitted to the outside better due to the fact that the loudspeaker is completely sealed is avoided, and the sound production effect of the loudspeaker is ensured; simultaneously, the speaker is whole waterproof, when the unexpected water of intaking of speaker subassembly or during in-water work, water can get into and be detained in the antechamber, and speaker itself is whole waterproof, if cover a layer waterproof layer (like waterproof membrane, nanometer coating etc.) on the part that the speaker exposes in the antechamber, this waterproof layer keeps apart water, nevertheless does not keep apart the air to under the audio output prerequisite of not influencing the speaker, good waterproof has been carried out to the speaker. Meanwhile, after water enters the proud cavity, a user can swing a carrier (such as a mobile terminal) where the loudspeaker assembly is located, so that a large amount of water entering the proud cavity is thrown out, a considerable part of water drops are remained on the surface of the loudspeaker, a part of residual water also exists in the water absorbing piece arranged in the proud cavity, if the water absorbing piece is not arranged, the water drops can jump on a vibrating diaphragm of the loudspeaker to generate noise when the loudspeaker works, the water drops are difficult to remove or evaporate within 24 hours, after the water absorbing piece is added, when the loudspeaker works, the water drops are pushed to the water absorbing piece under the action of the vibrating diaphragm of the loudspeaker, when the water drops contact the water absorbing piece, the water drops are absorbed by the water absorbing piece, the loudspeaker returns to a normal working state, and due to the working of the loudspeaker, air in the proud cavity is pushed to carry out air convection and exchange with the external space, so that the evaporation of the water on the inner core of the proud cavity is accelerated, thereby achieving rapid dehydration and air drying of the speaker assembly.
Further, with reference to fig. 3 and 4, in another embodiment of the loudspeaker assembly of the present invention, the loudspeaker, 3, is partially disposed in a sealed rear chamber 5, with the sound output side of the loudspeaker 3 facing the front chamber 4.
The part of speaker 3 sets up in sealed rear chamber 5, thereby the sound that speaker 3 sent towards 5 one ends in rear chamber will be sealed in rear chamber 5, can't spread into in front chamber 4, thereby avoid speaker 3 to carry out mutual interference towards the first sound source of 4 one ends in front chamber and the second sound source of speaker 3 towards 5 one ends in rear chamber, specifically, the phase place of first sound source and second sound source is approximate to in the opposite, if the second sound source does not seal in rear chamber 5, the sound of first sound source and second sound source output will offset, seriously influence the audio of speaker 3 output sound.
Alternatively, referring to fig. 4, the loudspeaker 3 includes a support (not shown), and a diaphragm 31 disposed on one side of the support, wherein the diaphragm 31 is disposed on one side of the support facing the front cavity 4, and one side of the support facing away from the diaphragm 31 is enclosed in the rear cavity 5.
The mountable is equipped with vibrating diaphragm 31 on top layer on speaker 3's the support, set up in vibrating diaphragm 31 towards the inboard voice coil loudspeaker voice coil of speaker, one side orientation antechamber 4 of vibrating diaphragm 31 is installed to speaker 3 such as magnet, speaker 3 deviates from one side of vibrating diaphragm 31 and seals to set up in back chamber 5, the part that the support deviates from one side of vibrating diaphragm 31 promptly sets up in back chamber 5, thereby the phenomenon of sound interference appears in the first sound source of vibrating diaphragm 31 side output and the second sound source of deviating from vibrating diaphragm 31 one side output is avoided, the sound output audio of speaker 3 has been guaranteed.
Alternatively, referring to fig. 4, the water absorbing member 2 is attached to the wall of the front cavity 4, and the water absorbing member 2 is located in the sound emitting direction of the diaphragm 31. The water absorbing part 2 can be adhered and attached on the cavity wall of the front cavity 4, the water absorbing part 2 is positioned in the sound emitting direction of the vibrating diaphragm 31, for example, the water absorbing member 2 is a plate-shaped water absorbing material member, the water absorbing member 2 may be located in the sound emitting direction of the diaphragm 31 and may be parallel to the diaphragm 31, and when the speaker 3 operates, water droplets retained on the diaphragm 31, the water drops splash to the water absorbing piece 2 along with the sound emitting direction of the vibrating diaphragm 31, so that the water drops can fly to the water absorbing piece 2 more easily, the water drops on the vibrating diaphragm 31 of the loudspeaker 3 can be cleaned quickly, the loudspeaker can be quickly returned to a normal state, and meanwhile, because the part 2 that absorbs water is located the play sound direction of vibrating diaphragm 31, with air drainage to the part 2 that absorbs water in the antechamber 4, then from antechamber 4 flow to exterior space when vibrating diaphragm 31 goes out the sound, strengthened the convection current of the position that the part 2 that absorbs water is located, improved the evaporation rate of the water that absorbs in the part 2, improved speaker assembly's waterproof ability and quick drainage ability indirectly.
Further, in another embodiment of the speaker assembly of the present invention, a side of the diaphragm facing the front cavity is provided with a waterproof mesh which is waterproof and dustproof, and the waterproof mesh is also a waterproof membrane which is waterproof but can ventilate air, so as to achieve waterproof of the speaker as a whole.
Optionally, the surface of the shell of the loudspeaker assembly is provided with a waterproof layer, so that the loudspeaker assembly is integrally waterproof, water is prevented from being soaked into the rear cavity from the shell or being soaked into the rear cavity through the wall of the front cavity, and the loudspeaker is prevented from being damaged due to water soaking.
Further, on the basis of the above embodiments, referring to fig. 4, the housing 1 is opened with a channel 6 communicating the external space of the housing 1 and the front cavity 4, and the channel 6 is disposed on one side of the sound emitting direction of the diaphragm 31.
The opening direction of the channel 6 (or the extending direction of the channel) is not consistent with the sound emitting direction of the loudspeaker 3, that is, the extending direction of the channel 6 is not parallel to the sound emitting direction of the loudspeaker 3, the channel 6 is arranged on one side of the sound emitting direction of the diaphragm 31, so that air is discharged from the channel 6 when the loudspeaker 3 emits sound, that is, the channel 6 can be opened from the side of the front cavity 4.
Alternatively, referring to fig. 5 and 6, a plurality of staggered water baffles 61 are arranged in the channel 6, and once water enters the front cavity 4, the staggered water baffles 61 are blocked by the water baffles 61, so that accidental water drops and splashed water are prevented from directly entering the front cavity 4, and the waterproof capability of the loudspeaker assembly is improved to a certain extent.
Alternatively, referring to fig. 6, a water collecting groove 62 is formed between the water blocking pieces 61, a drain pipe 63 communicating with the outer space of the housing 1 is opened at the bottom of the water collecting groove 62, and when water is partially blocked by the water blocking pieces 61, a small amount of water is gathered in the water collecting groove 62 between the water blocking pieces 61, and further water is prevented from entering the front chamber 4. Meanwhile, the bottom of the water collecting tank 62 is provided with a drain pipe 63 communicated with the external space, when water is collected in the water collecting tank 62, the water can be quickly drained out of the shell through the drain pipe 63, and the water is prevented from being collected in the water collecting tank 62 and entering the front cavity 4, specifically, the drain pipe 63 can be a square or round drain hole, and the water can be directly drained from the drain hole, or the drain pipe 63 can be a spiral capillary pipe which has a certain adsorption effect on the water in the water collecting tank 62, and a small amount of water retained in the water collecting tank 62 can be thoroughly drained out of the channel 6 under the adsorption of the spiral capillary pipe. Certainly, the drain pipe 63 may be a combination of a drain hole and a spiral capillary pipe, the drain hole may be communicated with the bottom of the water collecting tank 62, the spiral capillary pipe is also communicated with the bottom of the water collecting tank 62, the drain hole is communicated with the external space of the housing 1, and one end of the spiral capillary pipe opposite to the water collecting tank 62 is communicated with the drain hole, so that the drain hole has a function of draining the water collecting tank 62 quickly, and the spiral capillary pipe has a function of thoroughly draining a small amount of water adsorbed in the water collecting tank 62.
Furthermore, after water has entered the front chamber 4 of the speaker assembly 10, the user swings the carrier (e.g. mobile terminal) on which the speaker assembly 10 is located to swing the water out of the channel 6, at this time, the water in the front chamber 4 is swung by the user, and enters the water collecting tank 62 through the water blocking member 61 or is directly swung out of the channel 6, and the water in the water collecting tank 62 is rapidly discharged out of the housing 1 through the water discharge pipe 63.
The invention further provides a mobile terminal which comprises the loudspeaker assembly of any of the embodiments, and a shell of the loudspeaker assembly is connected with the mobile terminal. Specifically, the loudspeaker assembly is arranged inside the mobile terminal, the loudspeaker is electrically connected with a main control board of the mobile terminal, the loudspeaker is arranged in the cavity in the shell, the cavity in the shell is divided into a closed back cavity and a front cavity communicated with an external space by the loudspeaker, sound emitted by the loudspeaker can pass through the front cavity and is transmitted to the external space of the shell, the situation that the loudspeaker is isolated from the outside after the loudspeaker is completely sealed is avoided, the output sound cannot be transmitted to the outside well, and the sound production effect of the loudspeaker is ensured; simultaneously, the speaker is whole waterproof, when the unexpected water of intaking of speaker subassembly or during in-water work, water can get into and be detained in the antechamber, and speaker itself is whole waterproof, if cover a layer waterproof layer (like waterproof membrane, nanometer coating etc.) on the part that the speaker exposes in the antechamber, this waterproof layer keeps apart water, nevertheless does not keep apart the air to under the audio output prerequisite of not influencing the speaker, good waterproof has been carried out to the speaker. Meanwhile, after water enters the proud cavity, a user can swing a carrier (such as a mobile terminal) where the loudspeaker assembly is located, so that a large amount of water entering the proud cavity is thrown out, a considerable part of water drops are remained on the surface of the loudspeaker, a part of residual water also exists in the water absorbing piece arranged in the proud cavity, if the water absorbing piece is not arranged, the water drops can jump on a vibrating diaphragm of the loudspeaker to generate noise when the loudspeaker works, the water drops are difficult to remove or evaporate within 24 hours, after the water absorbing piece is added, when the loudspeaker works, the water drops are pushed to the water absorbing piece under the action of the vibrating diaphragm of the loudspeaker, when the water drops contact the water absorbing piece, the water drops are absorbed by the water absorbing piece, the loudspeaker returns to a normal working state, and due to the working of the loudspeaker, air in the proud cavity is pushed to carry out air convection and exchange with the external space, so that the evaporation of the water on the inner core of the proud cavity is accelerated, thereby realize speaker subassembly's quick dehydration and air-dry to under the waterproof prerequisite of assurance mobile terminal speaker, greatly improved the audio of speaker output sound.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. The utility model provides a loudspeaker assembly, a serial communication port, loudspeaker assembly includes shell, speaker and the piece that absorbs water, inside antechamber and the back cavity that is equipped with mutual intercommunication of shell, the exterior space intercommunication of antechamber and shell is provided with a plurality of staggered arrangement's manger plate piece in the intercommunication passageway, be equipped with the water catch bowl between the manger plate piece, the drain pipe of intercommunication shell exterior space is seted up to the water catch bowl bottom, the intercommunication department of antechamber and back cavity is located in the speaker seal, the piece that absorbs water is located in the antechamber, the speaker is whole waterproof.
2. A loudspeaker assembly according to claim 1, wherein the loudspeaker portion is disposed in a sealed rear chamber with the sound output side of the loudspeaker facing the front chamber.
3. A loudspeaker assembly as claimed in claim 2, characterized in that the loudspeaker comprises a carrier, and a diaphragm arranged on one side of the carrier, which diaphragm is arranged on a side of the carrier facing the front chamber, and a side of the carrier facing away from the diaphragm is arranged enclosed in the rear chamber.
4. A loudspeaker assembly as claimed in claim 3, wherein the absorbing member is attached to a wall of the front cavity, the absorbing member being located in the sound-emanating direction of the diaphragm.
5. A loudspeaker assembly as claimed in claim 3, wherein the side of the diaphragm facing the front chamber is provided with a water-repellent mesh.
6. A loudspeaker assembly according to claim 3, wherein the surfaces of the enclosure are provided with a water barrier.
7. A loudspeaker assembly as claimed in claim 3, wherein the housing is provided with a passage communicating the space outside the housing with the front chamber, said passage being provided on one side of the diaphragm in the sound-emanating direction.
8. A mobile terminal, characterized in that the mobile terminal comprises a speaker assembly according to any of claims 1 to 7, the housing of the speaker assembly being connected to the mobile terminal.
CN201710766801.2A 2017-08-29 2017-08-29 Loudspeaker assembly and mobile terminal Active CN107690113B (en)

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CN202010374370.7A CN111556416A (en) 2017-08-29 2017-08-29 Waterproof mobile terminal adopting loudspeaker assembly
CN202010373596.5A CN111586540A (en) 2017-08-29 2017-08-29 Loudspeaker assembly of mobile terminal

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