WO2020052131A1

WO2020052131A1 - Electronic terminal

Info

Publication number: WO2020052131A1
Application number: PCT/CN2018/120881
Authority: WO
Inventors: 蔡晓东; 马江羽
Original assignee: 歌尔股份有限公司
Priority date: 2018-09-12
Filing date: 2018-12-13
Publication date: 2020-03-19
Also published as: CN108924715A

Abstract

Disclosed is an electronic terminal, comprising: a housing, which is provided with at least two sound outlet holes; at least two sound production devices, which is provided in the housing, each of the sound production devices being provided corresponding to one sound outlet hole; and a sound guide tube structure, communicated with the corresponding sound production device and the sound outlet hole. The technical solution of the present invention can improve sound loudness of the electronic terminal.

Description

Electronic terminal

Technical field

The invention relates to the technical field of electronic terminals, in particular to an electronic terminal.

Background technique

In an existing electronic terminal (such as, but not limited to, a mobile phone, an IPAD, etc.), there is usually only one sound-emitting device inside, and the sound-emitting device communicates with a sound output hole on the housing of the electronic terminal through a sound pipe to lead out sound. However, in the process of sound conducted by the sound emitting device in the sound guide tube, a large volume attenuation is usually generated, resulting in a lower loudness of the electronic terminal and affecting the user experience.

Summary of the Invention

The main object of the present invention is to provide an electronic terminal, which aims to improve the acoustic loudness of the electronic terminal.

To achieve the above objective, the electronic terminal provided by the present invention includes:

Shell with at least two sound outlets;

At least two sound emitting devices are provided in the housing, and each of the sound emitting devices is corresponding to one of the sound outlet holes; and

The sound guide tube structure communicates the corresponding sound emitting device and the sound output hole.

Optionally, the sound guiding tube structure is provided as an integrated sound guiding tube, and at least two sound guiding channels are provided in the sound guiding tube, and one end of each of the sound guiding channels corresponds to a sound emitting device, The other end communicates with the corresponding sound emitting hole.

Optionally, the sound guiding tube structure includes at least two sound guiding tubes, one end of each of the sound guiding tubes corresponds to a sound generating device, and the other end communicates with the corresponding sound emitting hole.

Optionally, the sound generating device is a moving coil sound generating device or an ultrasonic sensor that emits ultrasonic waves.

Optionally, the housing includes a back cover, a frame connected to a periphery of the back cover, and a front case connected to the frame. The back cover is opposite to the front cover, and the at least two sounds A hole is provided in an upper portion of the front case.

Optionally, the housing includes a back cover, a frame connected to a periphery of the back cover, and a front case connected to the frame, and at least two air-permeable gaps are formed between the front case and the frame. The at least two breathable slits are the at least two sound emitting holes.

Optionally, the at least two sound emitting devices are completely the same; or

One of the at least two sounding devices is a low-frequency sounding device, and the other is an intermediate-frequency sounding device or a high-frequency sounding device.

Optionally, the working states of the at least two sound emitting devices can be independently controlled.

Optionally, the number of the sound output holes is two, one of the sound output holes is provided near the left side of the front case, and the other sound output hole is provided near the right side of the front case.

Optionally, the electronic terminal is a mobile phone, and further includes a posture detection device provided in the casing, and both the sound emitting device and the posture detection device are electrically connected to a microprocessor of the electronic terminal. The microprocessor controls the sound emitting device near the left or right side of the front case to emit sound according to the detection result of the attitude detection device.

Optionally, the attitude detection device includes at least one of a tilt sensor, an attitude sensor, and a light-sensitive sensor.

In the technical solution of the present invention, the electronic terminal is equipped with two or more sound emitting devices, and each sound emitting device is correspondingly connected to each sound output hole of the electronic terminal through a sound pipe structure. In this way, multiple sound emitting devices can be used. Work together to compensate for the volume attenuation caused by the sound pipe structure, thereby improving the sound level of the electronic terminal; In addition, because there are two or more sound outlet holes, even if some of the sound outlet holes are blocked, there is still sound The unblocked part of the sound output hole is conducted out, thereby improving the sound reliability of the electronic terminal.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly explain 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 introduced below. Obviously, the drawings in the following description are merely These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on the structure shown in these drawings without paying creative work.

FIG. 1 is a schematic structural diagram of a perspective of an embodiment of an electronic terminal according to the present invention; FIG.

FIG. 2 is a partially enlarged view at A in FIG. 1; FIG.

3 is a schematic perspective view of the electronic terminal in FIG. 1 from another perspective;

4 is a schematic partial perspective view of another embodiment of an electronic terminal according to the present invention;

FIG. 5 is a schematic partial perspective view of another embodiment of an electronic terminal according to the present invention; FIG.

6 is a schematic structural diagram of another embodiment of an electronic terminal according to the present invention;

FIG. 7 is a schematic structural diagram of another embodiment of an electronic terminal according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

标号Label	名称 name	标号Label		名称name
101101	后盖 Back cover	102102	边框 frame
103103	前壳 Front shell	1111	出声孔 Sound hole
2020	发声器件 Sound device	3131	导声管 Sound tube
3232	导声子管Phonon tube	Zh	Zh

The realization of the purpose, functional characteristics and advantages of the present invention will be further explained with reference to the embodiments and the drawings.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back, etc.) in the embodiment of the present invention, the directional indication is only used to explain in a specific posture (as shown in the drawings) (Shown) the relative positional relationship and movement of each component, etc., if the specific posture changes, the directional indicator will change accordingly.

In addition, if there are descriptions related to "first", "second", etc. in the embodiment of the present invention, the descriptions of "first", "second", etc. are only used for description purposes, and cannot be understood as instructions or hints Its relative importance or implicitly indicates the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meanings of "and / or" appearing throughout the text include three side-by-side schemes, taking "A and / or B" as examples, including scheme A, or scheme B, or schemes that A and B meet at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on those that can be realized by a person of ordinary skill in the art. When the combination of technical solutions conflicts or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. It is also not within the protection scope claimed by the present invention.

The invention provides an electronic terminal.

Referring to FIG. 1 to FIG. 3, in an embodiment of the present invention, the electronic terminal includes:

The shell is provided with at least two sound outlet holes 11;

At least two sound emitting devices 20 are disposed in the housing, and each sound emitting device 20 is provided corresponding to a sound output hole 11; and

The sound pipe structure is connected to the corresponding sound emitting device 20 and the sound output hole 11.

Without loss of generality, in this embodiment, each sound output hole 11 may be an integral large hole, and in order to prevent pollutants such as particulate impurities from entering the shell from the sound output hole 11 as an overall large hole sound output hole 11 The middle cover is equipped with a strainer. However, the present design is not limited to this. In other embodiments, each of the sound emitting holes 11 may be formed by a micro hole group.

In the technical solution of the present invention, the electronic terminal is equipped with two or more sound emitting devices 20, and each sound emitting device 20 is correspondingly connected to each sound emitting hole 11 of the electronic terminal through a sound pipe structure. The sound generating device 20 works in concert to compensate for the volume attenuation caused by the sound pipe structure, thereby improving the sound level of the electronic terminal. In addition, since two or more sound outlet holes 11 are configured, even if some of the sound outlet holes 11 are If it is blocked, there may still be a portion of the sound output hole 11 from which the sound is not blocked, thereby improving the sound reliability of the electronic terminal.

Without loss of generality, in this embodiment, the housing of the electronic terminal includes a back cover 101, a bezel 102 connected to the periphery of the back cover, and a front case 103 connected to the bezel 102. The rear cover 101 is opposite to the front case 103. In order to facilitate the user to hear sound during a call, at least two sound outlet holes 11 may be provided on the upper part of the front case 103 (see FIG. 1). This makes the position selection of the sound generating device 20 more convenient.

Alternatively, the sound outlet hole 11 is not provided on the front case 103, but is provided between the bezel 102 and the front case 103. At this time, the case includes a back cover 101, a bezel 102 connected to the periphery of the back cover, and a bezel 102.的 front shell 103. The rear cover 101 is opposite to the front case 103, and at least two ventilation gaps are formed between the front case 103 and the frame 102, and the at least two ventilation gaps are at least two sound outlet holes 11, as shown in FIG. The electronic terminal has two breathable slots as an example). At this time, this structure is more suitable for a full screen structure of an electronic terminal or a device with a high screen ratio.

Further, a ventilation gap is formed between the front case 103 and the frame 102, which may be an avoidance portion formed on the front case 103, so that the escape portion of the front case 103 forms a ventilation gap when combined with the frame 102, or may be formed on the frame 102 Avoidance part, in order to form a breathable gap when the escape part of the frame 102 is combined with the front case 103, it is also possible that both the front case 103 and the bezel 103 have avoidance parts. And the avoiding portion of the frame 103 forms a ventilation gap, as shown in FIG. 7.

Further, the above-mentioned electronic terminal may be a full-screen mobile phone or a mobile phone with a high screen ratio, or an electronic device such as an IPAD, which is not limited in the present invention.

Further, the back cover 101 and the bezel 103 may be an integrally formed structure. At this time, there is no obvious gap structure between the bezel 102 and the back cover 101, which makes the electronic terminal more beautiful. Of course, the back cover 101 and the frame 102 may also be separate structures, which is not limited in the present invention.

In this embodiment, referring to FIG. 3, further, the sound guiding tube structure is provided as an integrated sound guiding tube 31. At least two sound guiding channels (not shown) are provided in the sound guiding tube 31, and each sound guiding One end of the channel corresponds to a sound emitting device 20 and the other end communicates with a corresponding sound output hole 11. It can be understood that by setting the sound pipe structure as a whole sound pipe 31, the sound pipe structure can be assembled with only one installation action, which is beneficial to the improvement of product assembly efficiency.

In this embodiment, optionally, the at least two sound emitting devices 20 are completely the same. In this way, on the one hand, a good loudness improvement effect can be obtained, and on the other hand, it is beneficial for the scale purchase of the sound device 20, which is beneficial to the product cost reduce. However, the present design is not limited to this. In other embodiments, the at least two sound emitting devices 20 may be different, and may have different external dimensions or different sound frequencies. For example, when the electronic terminal includes two sound generating devices 20, the external dimensions are different, as shown in FIG. 4. In particular, one of the at least two sounding devices 20 may be a low-frequency sounding device (whose sound is emphasized on low frequency), and the other may be an intermediate-frequency sounding device (whose sound is focused on middle frequency) or high-frequency The sound emitting device (the sound emitted by the sound pays attention to high frequency). In this way, the sound emitted by the at least two sound emitting devices 20 can be superimposed to obtain the effect of improving the sound quality of the whole machine. Of course, the at least two sound-emitting devices 20 may also be low-frequency sound-emitting devices, or both medium-frequency sound-emitting devices, or both high-frequency sound-emitting devices, which is not limited in the present invention.

Optionally, the sound generating device 20 on the electronic terminal is a moving coil sound generating device. The moving coil sound generating device has high efficiency and is reliable and durable. However, the present design is not limited to this. In other embodiments, the sound emitting device 20 on the electronic terminal may also adopt an ultrasonic sensor or the like that emits an ultrasonic wave, which is not limited in the present invention.

In this embodiment, further, the working states of the at least two sounding devices 20 can be independently controlled; that is, the at least two sounding devices 20 can work simultaneously, or only one of the sounding devices 20 can be controlled to work . It can be understood that a single sounding device 20 can work to save power. When the ambient noise is low and the loudness requirement is not high, or when better sound privacy is required without high loudness, only one of them can be controlled; while working at the same time, You can get higher loudness.

In this embodiment, further, the number of sound emitting holes 11 is two. One sound emitting hole 11 is provided near the left side of the front case 103, and the other sound emitting hole 11 is provided near the right side of the front case 103. , It is beneficial for the electronic device to obtain a good stereo effect.

In this embodiment, further, when the electronic terminal is a mobile phone, it further includes a posture detection device (not shown) provided in the housing, and the posture detection device is used to obtain a user's answering method for a mobile phone call. Without loss of generality, the user's answering methods for mobile phone calls generally include left ear answer and right ear answer. Both the sound generating device 20 and the attitude detection device are electrically connected to the microprocessor of the electronic terminal. In order for the user to obtain a better call effect, the microprocessor of the electronic terminal controls the sound emitting device 20 near the left or right side of the front case 103 to sound according to the detection result of the attitude detection device. Specifically, when the user uses the left ear to answer In this mode, the sound emitting device 20 near the left side of the front case 103 is controlled to emit sound, and when the user uses the right ear answering method, the sound emitting device 20 near the right side of the front case 103 is controlled by the control cabinet to emit sound.

In this embodiment, the attitude detection device generally includes a tilt sensor, which can acquire the inclination of the mobile phone to determine whether the attitude of the mobile phone is tilted left or right. Generally, when the user uses the mobile phone to make a call and the mobile phone is in a left-leaning state, it can be determined that the user uses the left ear to answer; and when the user uses the mobile phone to make a call and the mobile phone is in a right-angle state, it can be determined that the user uses the right ear. Way of answering.

However, the present design is not limited to this. In some other embodiments, the gesture detection device may further include a gesture sensor, and the gesture sensor may directly obtain a movement gesture of the mobile phone, so as to determine whether the attitude of the mobile phone is tilted left or right. In addition, in other embodiments, the attitude detection device may further include a light-sensitive sensor; generally, a light-sensitive sensor is provided on or beside each sound output hole 11. When the light sensor on or next to the sound hole 11 is blocked, the user can be determined to use the left ear answering method; and when the light sensor on or near the sound hole 11 on the right side of the front case 103 is blocked, the user can be determined Use right ear answering method.

Referring to FIG. 5, FIG. 5 is a partial perspective view of another embodiment of an electronic terminal according to the present invention. This embodiment is different from the foregoing embodiment in that in the electronic terminal, the sound tube structure includes at least two sound tube 32, one end of each sound tube 32 corresponds to a sound emitting device 20, and the other end Connect the corresponding sound output hole 11. In this way, the sound pipe structure can also be used to make the sound emitted by each sound emitting device 20 be transmitted to the corresponding sound output hole 11.

The above is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation or direct / indirect use of the description and drawings of the present invention under the inventive concept of the present invention All other related technical fields are included in the patent protection scope of the present invention.

Claims

An electronic terminal, comprising:

Shell with at least two sound outlets;

At least two sound emitting devices are provided in the housing, and each of the sound emitting devices is corresponding to one of the sound outlet holes; and

The sound guide tube structure communicates the corresponding sound emitting device and the sound output hole.
The electronic terminal according to claim 1, wherein the sound guiding tube structure is provided as an integrated sound guiding tube, and the sound guiding tube is provided with at least two sound guiding channels, each of the sound guiding channels One end is connected to a corresponding sound emitting device, and the other end is connected to a corresponding sound emitting hole.
The electronic terminal according to claim 1, wherein the sound guiding tube structure comprises at least two sound guiding tubes, one end of each of the sound guiding tubes correspondingly communicates with one of the sound generating devices, and the other end communicates with correspondingly The sound hole.
The electronic terminal according to claim 1, wherein the sound emitting device is a moving coil sound emitting device or an ultrasonic sensor that emits ultrasonic waves.
The electronic terminal according to claim 1, wherein the housing comprises a back cover, a frame connected to a periphery of the back cover, and a front case connected to the frame, the back cover and the front case Oppositely disposed, the at least two sound outlet holes are provided at an upper portion of the front case.
The electronic terminal according to claim 1, wherein the housing comprises a back cover, a frame connected to a periphery of the back cover, and a front case connected to the frame, between the front case and the frame. At least two breathable slots are formed, and the at least two breathable slots are the at least two sound emitting holes.
The electronic terminal according to claim 5 or 6, wherein the at least two sound emitting devices are identical; or

One of the at least two sounding devices is a low-frequency sounding device, and the other is an intermediate-frequency sounding device or a high-frequency sounding device.
The electronic terminal according to claim 5 or 6, wherein the working states of the at least two sound emitting devices can be independently controlled.
The electronic terminal according to claim 8, wherein the number of the sound emitting holes is two, wherein one of the sound emitting holes is provided near the left side of the front case, and the other sound emitting hole is close The right side of the front shell is provided.
The electronic terminal according to claim 9, wherein the electronic terminal is a mobile phone, and further comprises a posture detection device provided in the casing, and both the sound emitting device and the posture detection device are connected to the The microprocessor of the electronic terminal is electrically connected, and the microprocessor controls the sound generation of the sound emitting device near the left or right side of the front case according to the detection result of the attitude detection device.
The electronic terminal according to claim 10, wherein the attitude detection device comprises at least one of a tilt sensor, an attitude sensor, and a light-sensing sensor.