CN112291651A

CN112291651A - Loudspeaker assembly structure and terminal

Info

Publication number: CN112291651A
Application number: CN202011140210.2A
Authority: CN
Inventors: 周发兴
Original assignee: Jiekai Communications Shenzhen Co Ltd
Current assignee: JRD Communication Shenzhen Ltd; Jiekai Communications Shenzhen Co Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-01-29

Abstract

The embodiment of the invention provides a loudspeaker assembly structure and a terminal, which comprise a middle frame, a loudspeaker and a loudspeaker support, wherein the middle frame comprises a loudspeaker accommodating part and a sound outlet, a first side surface of the loudspeaker is fixed in the loudspeaker accommodating part, and a second side surface of the loudspeaker is butted with the loudspeaker support. The loudspeaker component structure provided by the embodiment of the invention changes the structure of a loudspeaker BOX in the prior art, and cancels a steel sheet front cover, thereby forming the form of the BOX formed by a bracket and a middle frame, reducing the space occupied by the original steel sheet front cover, further enlarging the volume of a sound cavity, fully playing the performance of the loudspeaker, ensuring that the audio performance of the loudspeaker component structure is better, saving the space in the terminal and ensuring that the structure of the terminal is more compact. According to the embodiment of the invention, the loudspeaker and the terminal are integrally assembled through the matching of the middle frame, the loudspeaker and the loudspeaker bracket, so that the size of the whole machine can be effectively reduced, and the manufacturing cost of a manufacturer is reduced.

Description

Loudspeaker assembly structure and terminal

Technical Field

The invention relates to the technical field of mobile communication, in particular to the technical field of mobile equipment structure design, and specifically relates to a loudspeaker assembly structure and a terminal.

Background

With the development of communication technology, terminals such as smart phones and tablet computers are becoming more and more popular. Each big international known terminal manufacturer competes for the whitish and the field diversification, except meeting the basic requirements of users, brings more comfortable use experience for the users and gradually becomes the deer-by-deer key point of each big terminal manufacturer, and in the structural design of the terminal, how to optimize the design of the sound holes of the loudspeaker so as to reduce the thickness and the cost of the whole machine is a problem to be solved urgently by technical personnel in the field.

In the research and practice process of the prior art, the inventor of the embodiment of the invention finds that the loudspeaker used by a brand mobile phone manufacturer is a modularized product, namely a BOX, most of terminals are designed in a single-horn BOX sound cavity mode at present, and the loudspeaker is supplied by a supplier and directly installed in a complete machine to realize the function of the loudspeaker. However, as the demand for the reduction of the thickness of the mobile phone is increasing, the terminal thickness of the BOX-type sound cavity of the single speaker cannot be designed to be thinner and the required cost is high.

Disclosure of Invention

The embodiment of the invention provides a loudspeaker assembly structure and a terminal, and the structure of the embodiment of the invention can effectively reduce the size of the whole loudspeaker assembly and reduce the manufacturing cost of a manufacturer.

In a first aspect, an embodiment of the present invention provides a speaker assembly structure, where the speaker assembly structure includes: the middle frame comprises a loudspeaker accommodating part and a sound outlet, the first side surface of the loudspeaker is fixed in the loudspeaker accommodating part, and the second side surface of the loudspeaker is in butt joint with the loudspeaker support.

In some embodiments, the speaker bracket forms a speaker assembly structure with the center frame and the speaker through fasteners.

In some embodiments, the first side and the second side are opposing sides.

In some embodiments, the speaker carrier has a steel sheet.

In some embodiments, a seal is provided between the second side of the speaker and the speaker stand.

In some embodiments, the seal is a sealing foam.

In some embodiments, a fastener is disposed between the speaker first side and the speaker receptacle.

In some embodiments, the fixture is a speaker backing adhesive.

In some embodiments, the fastener is a screw.

In a second aspect, an embodiment of the present invention further provides a terminal, where the terminal can include any one of the speaker assembly structures described in the first aspect.

The embodiment of the invention provides a loudspeaker assembly structure and a terminal, which comprise a middle frame, a loudspeaker and a loudspeaker support, wherein the middle frame comprises a loudspeaker accommodating part and a sound outlet, a first side surface of the loudspeaker is fixed in the loudspeaker accommodating part, and a second side surface of the loudspeaker is butted with the loudspeaker support. The loudspeaker assembly structure provided by the embodiment of the invention changes the structure of the loudspeaker BOX in the prior art, two in-mold injection supports are required to be injected into the original loudspeaker BOX, a steel sheet front cover and a steel sheet bottom cover are required to form the loudspeaker BOX, and one steel sheet can be replaced by the middle frame. According to the embodiment of the invention, the loudspeaker and the terminal are integrally assembled through the matching of the middle frame, the loudspeaker and the loudspeaker bracket, so that the size of the whole machine can be effectively reduced, and the manufacturing cost of a manufacturer is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a speaker assembly according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a speaker assembly according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a speaker assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a speaker assembly according to an embodiment of the present invention.

Fig. 5 is a block diagram of a terminal according to an embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed to each other," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The embodiment of the invention provides a loudspeaker assembly structure and a terminal. The speaker assembly structure may be integrated in a terminal, such as a smart phone, a tablet computer, a notebook computer, or a personal computer. The structure of the speaker assembly will be described in detail below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.

Specifically, referring to fig. 1, an embodiment of the present invention provides a speaker assembly structure 1, where the speaker assembly structure 1 includes a middle frame 2, a speaker 3, and a speaker support 4, where the speaker 3 includes a first side surface and a second side surface, and the first side surface and the second side surface are opposite side surfaces. The middle frame 2 comprises a loudspeaker accommodating part 21 and a sound outlet 22, a first side surface of the loudspeaker 3 is fixed in the loudspeaker accommodating part 21, and a second side surface of the loudspeaker is butted with the loudspeaker support 4, wherein a space formed by enclosing the first side surface of the loudspeaker 3 and the middle frame 2 forms a sound cavity, and a space formed by enclosing a part between the second side surface of the loudspeaker 3 and the loudspeaker support 4 forms a sound cavity.

Optionally, in some embodiments, the middle frame 2 is further provided with a circuit board (not shown in the figure), which is located on the middle frame 2 and electrically connected to the speaker 3.

In the embodiment of the present invention, the speaker assembly structure 1 includes a middle frame 2, the middle frame 2 is a supporting body of the speaker support 4 and the circuit board, the speaker 3 is fixed to the middle frame 2, specifically, fixed to the speaker accommodating portion 21 of the terminal middle frame 2 through the first side surface of the speaker 3 and the fixing member, and a space enclosed by the first side surface of the speaker 3 and the middle frame 2 forms a sound cavity. The loudspeaker assembly structure 1 provided by the embodiment of the invention changes the structure of the loudspeaker BOX in the prior art, two in-mold injection supports are required to be injected into the original loudspeaker BOX, a steel sheet front cover and a steel sheet bottom cover are required to form the loudspeaker BOX, and a middle frame can replace one of the steel sheets, so that one steel sheet is omitted in the loudspeaker assembly structure provided by the embodiment of the invention, namely the space occupied by the original steel sheet front cover is reduced, the volume of a sound cavity is further enlarged, the performance of a loudspeaker can be fully exerted, the audio performance of the loudspeaker assembly structure is better, the space in the terminal is further saved, and the structure of the terminal is more compact.

In the embodiment of the invention, the loudspeaker assembly structure 1 comprises a loudspeaker support 4, the loudspeaker support 4 is combined with a front shell assembly, the front shell assembly is a combined assembly of a loudspeaker 3 and a middle frame 2, the second side surface of the loudspeaker 3 is butted with the loudspeaker support 4, and a space formed by partially enclosing the second side surface of the loudspeaker 3 and the loudspeaker support 4 forms a sound cavity, wherein the loudspeaker support 4 is provided with a steel sheet 41, the steel sheet 41 is a pressed steel sheet, and the steel sheet 41 is arranged on the loudspeaker support 4 by an injection molding process. The loudspeaker assembly structure provided by the embodiment of the invention changes the structure of the loudspeaker BOX in the prior art, two in-mold injection supports are required to be injected into the original loudspeaker BOX, a steel sheet front cover and a steel sheet bottom cover are required to form the loudspeaker BOX, one steel sheet is omitted in the loudspeaker assembly structure provided by the embodiment of the invention, and the scheme of only using the steel sheet of the bottom cover is adopted, so that the form of the BOX formed by the supports and the middle frame is formed, namely, the space occupied by the original steel sheet front cover is reduced, the volume of a sound cavity is further enlarged, the performance of the loudspeaker can be fully exerted, the audio performance of the loudspeaker assembly structure is better, the space in the terminal is further saved, and the structure of the terminal is more compact.

As shown in fig. 2, on the basis of any of the above embodiments, the speaker assembly structure 1 according to the embodiment of the present invention further includes a fixing member 5, one side of the fixing member 5 is attached to the middle frame 2, and the other side of the fixing member is attached to the first side surface of the speaker 3, and the first side surface of the speaker 3 and the speaker accommodating portion 21 of the fixing member 5 and the terminal middle frame 2 can be fixed to each other by the fixing member 5, so that a sound cavity is formed in a space enclosed by the first side surface of the speaker 3 and the middle frame 2, optionally, the fixing member 5 may be a speaker back adhesive, and the speaker back adhesive may be in a frame shape or a whole surface shape.

As shown in fig. 3, on the basis of any of the above embodiments, the speaker assembly structure 1 according to the embodiment of the present invention further includes a sealing member 6, one side of the sealing member 6 is abutted to the speaker holder 4, and the other side of the sealing member 6 is abutted to the second side of the speaker 3, so that the second side of the speaker 3 can be abutted to the speaker holder 4 through the sealing member 6, and a space enclosed by a portion between the second side of the speaker 3 and the speaker holder 4 forms a sound cavity. Optionally, the fixing member 6 may be a sealing foam, the sealing foam may be in an L shape with a hollow center, and the specific shape may be set according to the speaker bracket.

Specifically, in the speaker assembly structure 1 according to the embodiment of the present invention, the middle frame 2 further includes a sound outlet 22, and the sound outlet 22 is located right below the speaker accommodating portion 21 and is used for releasing the sound emitted by the speaker 3 to the outside of the terminal. The number of sound outlets 22 is determined by combining the size of the terminal, the arrangement of the speaker 3 and the sound chamber, and other factors. For example, the speaker accommodating portion 21 includes a first speaker accommodating portion and a second speaker accommodating portion, and the sound outlet 22 includes a first sound outlet and a second sound outlet; the first sound outlet is located right below the first loudspeaker accommodating part, and the second sound outlet is located right below the second loudspeaker accommodating part. The number of the speaker accommodating parts 21 and the sound outlets 22 provided in the embodiments of the present invention is not limited to the number of the speaker accommodating parts 21 and the sound outlets 22 described in the entire embodiments, and is only used for the purpose of illustration.

Specifically, the speaker assembly structure provided by the embodiment of the present invention further includes a bottom case, where the bottom case includes a sound emitting area, the sound emitting area is a sound emitting hole arranged in parallel on the bottom case, the sound emitting hole is located right below the sound emitting hole and is used for emitting sound emitted by the speaker out of the terminal, and the setting and number of the sound emitting hole are determined by integrating the size of the terminal, the setting of the speaker and the sound cavity, and other factors, which are not limited herein.

As shown in fig. 4, a speaker assembly structure 1 according to an embodiment of the present invention includes a middle frame 2, a speaker 3, a speaker support 4, a speaker back adhesive 5, a sealing foam 6, a bottom shell 7, and screws 23, where the speaker 3 includes a first side surface and a second side surface, and the first side surface and the second side surface are opposite sides. The middle frame 2 comprises a loudspeaker accommodating part 21 and a sound outlet 22, a first side surface of the loudspeaker 3 is fixed to the loudspeaker accommodating part 21 through a fixing part 5 such as loudspeaker gum, a second side surface of the loudspeaker 3 is in butt joint with the loudspeaker support 4, and a sealing part 6 such as sealing foam is arranged between the second side surface of the loudspeaker 3 and the loudspeaker support 4. The number of the speakers 3 provided in the embodiment of the present invention is not limited to the number of the speakers 3 in the whole scheme, and is only used for illustration in the embodiment of the present invention.

The above is described specifically from the structural entity of the speaker assembly structure, and the following is described from the terminal device to which the speaker assembly structure provided by the embodiment of the present invention can be applied. An embodiment of the present invention further provides a terminal, as shown in fig. 5, which shows a schematic structural diagram of a terminal according to an embodiment of the present invention, where the terminal may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like, and specifically:

as shown in fig. 5, the terminal may include Radio Frequency (RF) circuitry 801, memory 802 including one or more computer-readable storage media, input unit 803, display unit 804, sensor 805, audio circuitry 806, Wireless Fidelity (Wi-Fi) module 807, processor 808 including one or more processing cores, and power supply 809. Those skilled in the art will appreciate that the terminal structure shown in fig. 5 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:

the RF circuit 801 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, receive downlink information from a base station and then send the received downlink information to one or more processors 808 for processing; in addition, data relating to uplink is transmitted to the base station. In general, the RF circuitry 801 includes, but is not limited to, an antenna, at least one Amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 801 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Messaging Service (SMS), and the like.

The memory 802 may be used to store software programs and modules, and the processor 808 may execute various functional applications and data processing by operating the software programs and modules stored in the memory 802. The memory 802 may mainly include a program storage area and a data storage area, wherein the program storage 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 terminal, etc. Further, the memory 802 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. Accordingly, the memory 802 may also include a memory controller to provide the processor 808 and the input unit 803 access to the memory 802. In the embodiment of the invention, when the user control terminal needs to play the sound, the sound can be played through the loudspeaker component structure provided by the embodiment of the invention by calling the application program with the sound playing function in the memory, so that the requirement of the user on sound playing is met.

The input unit 803 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, in a particular embodiment, the input unit 803 may include a touch-sensitive surface as well as other input devices. The touch-sensitive surface, also referred to as a touch display screen or a touch pad, may collect touch operations by a user (e.g., operations by a user on or near the touch-sensitive surface using a finger, a stylus, or any other suitable object or attachment) thereon or nearby, and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface may comprise two parts, a touch detection means 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 808, and can receive and execute commands sent by the processor 808. In addition, touch sensitive surfaces may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 803 may include other input devices in addition to the touch-sensitive surface. In particular, other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.

The display unit 804 may be used to display information input by or provided to a user and various graphical user interfaces of the terminal, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 804 may include a Display panel, and optionally, the Display panel may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch-sensitive surface may overlay the display panel, and when a touch operation is detected on or near the touch-sensitive surface, the touch operation is transmitted to the processor 808 to determine the type of touch event, and the processor 808 then provides a corresponding visual output on the display panel according to the type of touch event.

The terminal may also include at least one sensor 805, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel according to the brightness of ambient light, and a proximity sensor that may turn off the display panel and/or the backlight when the terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the 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 gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal, detailed description is omitted here.

Audio circuitry 806, a speaker, and a microphone may provide an audio interface between the user and the terminal. The audio circuit 806 may transmit the electrical signal converted from the received audio data to a speaker, and convert the electrical signal into an audio signal for output; on the other hand, the microphone converts the collected sound signal into an electric signal, converts the electric signal into audio data after being received by the audio circuit 806, and then outputs the audio data to the processor 808 for processing, and then passes through the RF circuit 801 to be transmitted to, for example, another terminal, or outputs the audio data to the memory 802 for further processing. The audio circuit 806 may also include an earbud jack to provide peripheral headset communication with the terminal. In the embodiment of the present invention, the audio circuit 806 may transmit the electrical signal obtained by converting the received audio data to a speaker, and the audio signal is converted by the speaker and output through the speaker assembly structure provided in the embodiment of the present invention, so as to meet the use requirement of the user.

Wi-Fi belongs to short-distance wireless transmission technology, and the terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through a Wi-Fi module 807, and provides wireless broadband internet access for the user. Although fig. 5 shows the Wi-Fi module 807, it is understood that it does not belong to the essential constitution of the terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.

The processor 808 is a control center of the terminal, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 802 and calling data stored in the memory 802, thereby integrally monitoring the mobile phone. Optionally, processor 808 may include one or more processing cores; preferably, the processor 808 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 808.

The terminal also includes a power supply 809 (e.g., a battery) for powering the various components, which may preferably be logically coupled to the processor 808 via a power management system to manage charging, discharging, and power consumption via the power management system. The power supply 809 may also include one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, or any other component.

Although not shown, the terminal may further include a camera, a bluetooth module, and the like, which will not be described herein. Specifically, in this embodiment, the processor 808 in the terminal loads an executable file corresponding to a process of one or more application programs into the memory 802 according to the following instructions, and the processor 808 runs the application programs stored in the memory 802, thereby implementing various functions.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The speaker assembly structure and the terminal provided by the embodiment of the present invention are described in detail above, and the principle and the embodiment of the present invention are explained in the present document by applying a specific example, and the description of the above embodiment is only used to help understanding the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A speaker assembly structure, characterized in that the speaker assembly structure comprises: the middle frame comprises a loudspeaker accommodating part and a sound outlet, the first side surface of the loudspeaker is fixed in the loudspeaker accommodating part, and the second side surface of the loudspeaker is in butt joint with the loudspeaker support.

2. The speaker assembly structure of claim 1, wherein the speaker bracket forms a speaker assembly structure with the center frame and the speaker by fasteners.

3. The speaker assembly structure of claim 1, wherein the first side and the second side are opposing sides.

4. A loudspeaker assembly structure according to claim 1, wherein the loudspeaker carrier has a steel sheet.

5. A loudspeaker assembly structure according to claim 1, wherein a seal is provided between the second side of the loudspeaker and the loudspeaker support.

6. A loudspeaker assembly structure according to claim 5, wherein the seal is a sealing foam.

7. The speaker assembly structure of claim 1, wherein a fastener is disposed between the speaker first side and the speaker receptacle.

8. A loudspeaker assembly structure according to claim 7, wherein the fixing member is a loudspeaker backing adhesive.

9. A loudspeaker assembly structure according to claim 2, wherein the fasteners are screws.

10. A terminal, characterized in that it comprises a loudspeaker assembly structure according to any of claims 1-9.