CN108566464B - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN108566464B CN108566464B CN201810400226.9A CN201810400226A CN108566464B CN 108566464 B CN108566464 B CN 108566464B CN 201810400226 A CN201810400226 A CN 201810400226A CN 108566464 B CN108566464 B CN 108566464B
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- China
- Prior art keywords
- middle frame
- terminal
- vibration exciter
- rear shell
- mobile terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
- H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the invention provides a mobile terminal, which is applied to the technical field of communication. The mobile terminal includes: a middle frame; the screen assembly is arranged on one side of the middle frame and is connected with the middle frame; the terminal rear shell is arranged on the other side of the middle frame; and the vibration exciter is arranged between the middle frame and the terminal rear shell and is respectively connected with the middle frame and the terminal rear shell. In order to solve the problem that the back of the mobile terminal generates small sound in the prior art, the embodiment of the invention enables the vibration exciter to be directly connected with the middle frame and the terminal rear shell, so that the screen sound generation can be realized, the vibration amplitude of the terminal rear shell can be increased, the sound volume of the terminal rear shell is increased, and the rear shell sound generation is realized.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a mobile terminal.
Background
Most mobile terminals (e.g. mobile phones) on the market today use a receiver as a handset to receive a call, and the sound is conducted out through a hole in the front (usually in the top) of the mobile terminal. However, there are also a few mobile terminals that start to use screen sound generators, i.e. to generate sound by screen vibration. However, both a telephone receiver and a screen sound generator can only listen to sound through the front face of the mobile terminal, and if a user puts the back face of the mobile terminal close to the ear in a hurry to listen to sound, the sound is small and cannot be heard clearly, so that the user misses some voice information, and the use of the mobile terminal by the user is influenced.
Disclosure of Invention
The embodiment of the invention provides a mobile terminal, which aims to solve the problem that the back of the mobile terminal in the prior art is small in sound production.
In order to solve the technical problems, the invention adopts the following technical scheme:
an embodiment of the present invention provides a mobile terminal, including:
a middle frame;
the screen assembly is arranged on one side of the middle frame and is connected with the middle frame;
the terminal rear shell is arranged on the other side of the middle frame;
and the vibration exciter is arranged between the middle frame and the terminal rear shell and is respectively connected with the middle frame and the terminal rear shell.
Further, the vibration exciter is arranged on one side, away from the screen assembly, of the middle frame.
Further, the vibration exciter is screwed or bonded to the middle frame.
Further, the vibration exciter is bonded with the middle frame through double-sided adhesive tape or glue.
Further, the vibration exciter is coupled to an inner surface of the terminal back case.
Further, the vibration exciter is bonded to the inner surface of the terminal rear case by a double-sided tape or glue.
Further, the mobile terminal further includes: the main board is arranged between the middle frame and the terminal rear shell; the main board is arranged on the middle frame, and the vibration exciter is electrically connected with the main board.
Furthermore, a mounting hole is formed in the main board, and the mounting hole penetrates through the main board in the thickness direction of the main board;
wherein, the vibration exciter is arranged in the mounting hole and electrically connected with the mainboard.
In the embodiment of the invention, the vibration exciter is not only directly connected with the middle frame and transmits vibration to the screen component which is in close contact with the middle frame through the middle frame, so that the screen component vibrates and the screen sounds are realized, but also directly connected with the rear shell of the terminal, so that the vibration amplitude of the rear shell of the terminal can be increased, the sound volume of the rear shell of the terminal is increased, and the rear shell sounds are realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
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 some, not all, embodiments of the present 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.
The embodiment of the invention provides a mobile terminal. The mobile terminal includes but is not limited to: the mobile phone, the tablet computer, the notebook computer, the palm computer, the vehicle-mounted terminal, the wearable device, the pedometer and other devices with the display function.
As shown in fig. 1, the mobile terminal includes: a screen assembly 2, a middle frame 1, a vibration exciter 4 and a terminal back case 3, which structures form a sound emitter. The sound generators formed by the screen assembly 2, the middle frame 1, the vibration exciter 4 and the terminal back shell 3 will be described below.
Wherein, the screen assembly 2 is disposed on the front surface of the mobile terminal, and generally includes: the display screen is used for displaying images and the display screen cover plate is used for protecting the display screen. The display screen apron is laid in the front of display screen, plays the guard action to the display screen, prevents that the display screen from taking place to damage because of colliding with. Touch panels are further arranged between the display screens of some screen assemblies 2 and the display screen cover plate so as to realize a touch function. It is understood that the screen assembly 2 may have other structures besides the above-mentioned structure, but the structure is not a feature of the embodiment of the present invention, and therefore, the description thereof is omitted here.
The middle frame 1 is a framework of the mobile terminal, most of devices (such as a main board 5 and a battery) of the mobile terminal are arranged on the middle frame 1, and the middle frame 1 plays a supporting role for the devices. In the embodiment of the invention, the screen assembly 2 is arranged on one side of the middle frame 1 and is connected with the middle frame 1.
The terminal rear shell 3 is arranged on the back of the mobile terminal, protects the back of the mobile terminal and beautifies the appearance of the mobile terminal. In the embodiment of the invention, the terminal rear shell 3 is arranged on the other side of the middle frame 1, and the terminal rear shell 3 is clamped with the edge of the middle frame 1 in a clamping manner. The terminal rear shell 3 is arranged opposite to the screen assembly 2, and the middle frame 1 is positioned between the screen assembly 2 and the terminal rear shell 3.
The vibration exciter 4 is a device for obtaining mechanical vibration by using an electric principle. In the embodiment of the present invention, the vibration exciter 4 is disposed between the middle frame 1 and the terminal rear housing 3, and is connected to the middle frame 1 and the terminal rear housing 3, respectively. Therefore, when the vibration exciter 4 works, the vibration exciter can drive the middle frame 1 to vibrate, so that the vibration is transmitted to the screen assembly 2 which is tightly contacted with the middle frame 1, and the screen assembly 2 pushes air to sound, so that the front sound of the mobile terminal is realized; and the terminal rear shell connected with the terminal rear shell can be directly driven to vibrate, the vibration amplitude of the terminal rear shell 3 is increased, and accordingly air vibration is promoted, larger sound is generated, and the rear shell can make a sound. And because the volume of the sound produced by the terminal rear shell 3 is also larger, the sound produced by the mobile terminal can be obviously heard no matter the terminal rear shell 3 is in a quiet environment or a noisy environment when the terminal rear shell 3 is close to the ears of a human body.
Specifically, as shown in fig. 1, in the embodiment of the present invention, the vibration exciter 4 is disposed on a side of the middle frame 1 away from the screen assembly 2, and is connected to the middle frame 1. The vibration exciter 4 may be disposed at the top end, the middle portion, the bottom end, the edge, and the like of the middle frame 1, and the specific position may be selected according to actual requirements, which is not limited in the embodiment of the present invention. Generally, the vibration exciter 4 and the middle frame 1 can be connected by screwing or bonding, and the connection mode has small influence on vibration transmission and is beneficial to reducing the attenuation in the vibration transmission process.
When the vibration exciter 4 is bonded to the middle frame 1, the chemical properties and curing mode of the first adhesive 6 used need to meet the requirements of the middle frame 1 and the vibration exciter 4 on the reliability environment, and meanwhile, in order to facilitate the detachment of the vibration exciter 4, the first adhesive 6 also needs to have the characteristic of being convenient to detach. Preferably, the first adhesive 6 comprises: double-sided adhesive tape or glue or the like, i.e. the vibration exciter 4 may be attached to the middle frame 1 by means of double-sided adhesive tape or glue. The double-faced adhesive tape and the glue have very small influence on vibration transmission, so that the attenuation of vibration is reduced, and the sound volume of the front sound of the mobile terminal is ensured.
Specifically, as shown in fig. 1, in the embodiment of the present invention, the vibration exciter 4 is attached to the inner surface of the terminal rear case 3, and may be attached by an adhesive means. The chemical property and curing mode of the second adhesive 7 are required to meet the requirements of the reliability environment of the terminal backshell 3 and the vibration exciter 4, and the second adhesive 7 is required to have the characteristic of convenient disassembly for the disassembly of the vibration exciter 4. Preferably, the second adhesive 7 comprises: double-sided adhesive tape or glue or the like, i.e. the vibration exciter 4 may be connected to the terminal back housing 3 by means of double-sided adhesive tape or glue. The double-faced adhesive tape and the glue have very small influence on vibration transmission, so that the attenuation of vibration is reduced, and the sound volume of the back of the mobile terminal is increased.
Further, as shown in fig. 1, the mobile terminal further includes: and a main board 5 disposed between the middle frame 1 and the terminal rear case 3. The main board 5 is disposed on the middle frame 1, and the vibration exciter 4 is electrically connected to the main board 5, so that electric current is conducted from the main board 5 to the vibration exciter 4.
Preferably, as shown in fig. 1, the main board 5 is provided with a mounting hole 501, and the mounting hole 501 penetrates the main board 5 in the thickness direction of the main board 5.
Because among the prior art, some vibration exciters are directly arranged on the mainboard, and the mainboard can cover the vibration exciters, so that the vibration exciters are isolated from the terminal rear shell, under the condition, the vibration exciters only closely contact with the middle frame, but cannot closely contact with the terminal rear shell. Because the vibration exciter does not with terminal backshell direct contact, the terminal backshell also does not contact with mainboard direct contact, can only transmit vibration to terminal backshell 3 through the center, but terminal backshell and center are only marginal position and just have the contact, but for requirements such as waterproof, can add some bubble cotton and sealed glue at marginal position, these have the attenuation effect to the vibration, consequently, when sound reaches the terminal backshell, sound can be very little, when the terminal backshell is pressed close to the human ear, it is difficult to hear the sound that sends from the terminal backshell clearly. In order to solve the technical problem, in the embodiment of the present invention, a mounting hole 501 is formed in the main board 5, and the mounting hole 501 penetrates through the main board 5 in the thickness direction of the main board 5, so that the vibration exciter 4 is disposed in the through mounting hole 501, and can be in close contact with both the middle frame 1 and the terminal rear shell 3 of the main board 5, so that when the vibration exciter 4 vibrates, the terminal rear shell 3 can be directly driven to vibrate, thereby increasing the sound volume of the terminal rear shell 3.
When the vibration exciter 4 is arranged in the above manner, the vibration exciter 4 forms a path with a conductive contact (i.e., a gold finger) on the main board 5 through a pad at the tail end, so that a current is conducted from the main board 5 to the vibration exciter 4.
In order to avoid resonance caused by the vibration exciter 4 driving the main board 5 to vibrate, the embodiment of the present invention is designed such that the hole wall of the mounting hole 501 and the vibration exciter 4 are disposed at an interval and do not contact with each other, that is, a preset distance value greater than 0 is provided between the hole wall of the mounting hole 501 and the vibration exciter 4, that is, the vibration exciter 4 does not contact with the main board 5 (except for the electrical connection position), so as to avoid the risk of resonance.
Here, when the vibration exciter 4 is disposed outside the main board 5 region, it may be connected to the main board 5 through a Flexible Printed Circuit (FPC) so that current is conducted from the main board 5 to the vibration exciter 4.
In summary, in the embodiment of the present invention, the vibration exciter 4 is not only directly connected to the middle frame 1, so that not only can the screen sound be generated, but also the vibration amplitude of the terminal rear shell 3 can be increased, thereby increasing the sound volume of the terminal rear shell 3, realizing the rear shell sound generation, and facilitating the use of the user.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that 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 "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate 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.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. 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 terminal that comprises the element.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (6)
1. A mobile terminal, comprising:
a middle frame (1);
the screen assembly (2) is arranged on one side of the middle frame (1), and the screen assembly (2) is connected with the middle frame (1);
the terminal rear shell (3) is arranged on the other side of the middle frame (1);
set up in center (1) with vibration exciter (4) between terminal backshell (3), vibration exciter (4) respectively with center (1) with terminal backshell (3) are connected, still include: the main board (5) is arranged between the middle frame (1) and the terminal rear shell (3), a mounting hole (501) is formed in the main board (5), and the mounting hole (501) penetrates through the main board (5) in the thickness direction of the main board (5);
the vibration exciter (4) is arranged in the mounting hole (501), one side of the vibration exciter (4) is directly connected with the middle frame (1) and the other side of the vibration exciter is directly connected with the terminal rear shell (3) and electrically connected with the main board (5), and the hole wall of the mounting hole (501) and the vibration exciter (4) are arranged at intervals and are not in contact.
2. Mobile terminal according to claim 1, characterized in that the vibration exciter (4) is screwed or glued to the middle frame (1).
3. A mobile terminal according to claim 2, characterized in that the vibration exciter (4) is glued to the center frame (1) by means of double-sided glue or glue.
4. A mobile terminal according to claim 1, characterized in that the vibration exciter (4) is connected to the inner surface of the terminal back cover (3).
5. Mobile terminal according to claim 1 or 4, characterized in that the vibration exciter (4) is glued to the inner surface of the terminal back cover (3) by means of double-sided glue or glue.
6. A mobile terminal according to claim 1, characterized in that the main board (5) is arranged on the middle frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400226.9A CN108566464B (en) | 2018-04-28 | 2018-04-28 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400226.9A CN108566464B (en) | 2018-04-28 | 2018-04-28 | Mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108566464A CN108566464A (en) | 2018-09-21 |
| CN108566464B true CN108566464B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400226.9A Active CN108566464B (en) | 2018-04-28 | 2018-04-28 | Mobile terminal |
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| CN (1) | CN108566464B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462799B (en) * | 2018-12-29 | 2021-05-25 | 维沃移动通信有限公司 | Audio electric signal conversion assembly, terminal and audio electric signal conversion method |
| CN110177322B (en) * | 2019-05-15 | 2021-01-15 | 瑞声光电科技(常州)有限公司 | Screen sound production exciter and electronic equipment |
| CN110148357B (en) * | 2019-05-22 | 2021-11-02 | 广州国显科技有限公司 | Display sounding panel |
| CN112017529A (en) * | 2019-05-30 | 2020-12-01 | 京东方科技集团股份有限公司 | Display panel buffer structure, display screen module, preparation method of display panel buffer structure and terminal equipment |
| CN113660366A (en) * | 2019-10-25 | 2021-11-16 | Oppo广东移动通信有限公司 | Electronic device and control method of electronic device |
| CN110995894A (en) * | 2019-11-20 | 2020-04-10 | 瑞声科技(新加坡)有限公司 | Screen sounding modular structure with exciter attached to screen and mobile communication terminal |
| CN111147643B (en) * | 2019-12-30 | 2021-05-25 | Oppo广东移动通信有限公司 | Vibration sounding assembly, electronic equipment and assembly method of vibration sounding assembly |
| CN114089590B (en) * | 2020-08-24 | 2023-01-31 | 青岛海信激光显示股份有限公司 | Projection screen and laser projection system |
| CN114025279B (en) * | 2021-11-25 | 2024-03-26 | 京东方科技集团股份有限公司 | Flat plate sounding device and terminal equipment |
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| CN108566464A (en) | 2018-09-21 |
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