CN222868942U

CN222868942U - Electronic equipment

Info

Publication number: CN222868942U
Application number: CN202421849062.5U
Authority: CN
Inventors: 秦世军; 冯堃; 张�杰; 岳德刚
Original assignee: Dongguan Huabei Electronic Technology Co Ltd
Current assignee: Dongguan Huabei Electronic Technology Co Ltd
Priority date: 2024-07-31
Filing date: 2024-07-31
Publication date: 2025-05-13
Anticipated expiration: 2034-07-31

Abstract

The present application provides an electronic device, belonging to the field of electronic terminal technology, and the electronic device includes a housing, a display screen, and a sound transmission structure. Among them, the housing has an internal cavity. The display screen is located on the housing, and the display screen has a first surface and a second surface, and the second surface faces the internal cavity. The sound transmission structure includes at least one sound outlet hole, the sound outlet hole is connected to the internal cavity, and the sound outlet hole is located in the gap between the first surface of the display screen and the housing. The remaining gap between the first surface and the housing is sealed by a filler. In this way, the present application can reasonably utilize the internal space of the electronic device and improve the sound output mode of the electronic device. By utilizing the directional characteristics of high frequencies, the mid-to-high frequency sensitivity of the electronic device facing the user is improved, so that the user can obtain a better user experience. In addition, under the condition that the external sound quality of the electronic device is good, the number of tweeter units can be reduced, thereby achieving the purpose of reducing costs.

Description

Electronic equipment

Technical Field

The application relates to the technical field of electronic terminals, in particular to electronic equipment.

Background

With the continuous development of electronic technology, electronic equipment has become an indispensable communication tool for people's life, and electronic equipment is visible everywhere in life, and has greatly improved people's living standard. With the continuous improvement of the use demands of users, the performance requirements of the electronic equipment are also continuously improved.

For products such as tablet computers, users have higher and higher requirements for audio playback effects. The number of loudspeakers used in the product is also increasing and there is a higher demand for subsequent development. Generally, the speaker array adopts a high-low sound combination mode, signals adopt a frequency division design, the electroacoustic performance of the high-low sound speaker unit can be fully exerted, and the power is reasonably controlled.

To ensure the integrity of the product on the side facing the user, the speaker will typically sound in a side-to-side manner, thereby ensuring the stereo effect. However, this approach has less impact on bass unit performance due to better low frequency signal diffractibility. But for the high-frequency signal, the directivity is strong, the attenuation to the screen direction is large, and the use experience of a user is directly affected.

Disclosure of utility model

The application provides electronic equipment, which improves the sound emitting mode of the electronic equipment by reasonably utilizing the internal space of the electronic equipment. And the directivity characteristic of high frequency is utilized, so that the medium-high frequency sensitivity of the electronic equipment in the direction of one side of the electronic equipment facing the user is improved, and the user obtains better use experience. In addition, under the condition of meeting the good effect of the sound reproduction quality of the electronic equipment, the number of the tweeter units can be reduced, thereby achieving the purpose of reducing the cost.

In order to achieve the above object, the present application provides the following technical solutions:

The present application provides an electronic device including:

A housing having an interior cavity;

The display screen is positioned on the shell and provided with a first surface and a second surface, and the second surface faces the inner cavity;

The sound transmission structure comprises at least one sound outlet, the sound outlet is communicated with the internal cavity, and the sound outlet is positioned in a gap between the first surface of the display screen and the shell;

The remaining gap between the first face and the housing is sealed by a filler.

On the basis of the technical scheme, the application can be improved as follows.

In one possible implementation, the number of sound outlet holes is two, each sound outlet hole having a width in the range of 0.15-0.5mm.

In one possible implementation, the sound transmission structure further comprises a speaker and a housing;

the loudspeaker is positioned in the shell, and the loudspeaker and the shell are both positioned in the inner cavity;

the loudspeaker encloses Cheng Chuanyin cavity with at least part of the inner surface of the shell, and the sound transmission cavity is of a closed structure.

In one possible implementation, a sound transmission channel is formed at one end of the shell facing the sound outlet;

the loudspeaker is communicated with the sound outlet through the sound transmission channel;

the width of the sound transmission channel is more than or equal to 0.5mm.

In one possible implementation, the display screen includes two first sides and two second sides;

The two first side parts are oppositely arranged, the two second side parts are oppositely arranged, and the first side parts and the second side parts are vertically arranged;

each first side part and each second side part are connected with the first surface and the second surface of the display screen.

In one possible implementation manner, the two sound outlets are respectively arranged in the middle of the two first side parts, and the two sound outlets are oppositely arranged.

In one possible implementation manner, the two sound outlets are respectively arranged at the upper parts of the two first side parts, and the two sound outlets are oppositely arranged.

In one possible implementation manner, the two sound outlets are respectively arranged at the lower parts of the two first side parts, and the two sound outlets are oppositely arranged.

In one possible implementation manner, the two sound outlets are respectively arranged in the middle of the two second side parts, and the two sound outlets are oppositely arranged.

In one possible implementation, two sound outlets are formed on one of the second side portions, and the two sound outlets are arranged in parallel.

The application provides an electronic device, which comprises a shell, a display screen and a sound transmission structure. Wherein the housing has an internal cavity. The display screen is located on the shell, and the display screen has first face and second face, and the second face is towards inside cavity. The sound transmission structure comprises at least one sound outlet hole, the sound outlet hole is communicated with the internal cavity, and the sound outlet hole is positioned in a gap between the first surface of the display screen and the shell. The remaining gap between the first face and the housing is sealed by a filler. Therefore, the application can reasonably utilize the internal space of the electronic equipment and improve the sound emitting mode of the electronic equipment. And the directivity characteristic of high frequency is utilized, so that the medium-high frequency sensitivity of the electronic equipment in the direction of one side of the electronic equipment facing the user is improved, and the user obtains better use experience. In addition, under the condition of meeting the good effect of the sound reproduction quality of the electronic equipment, the number of the tweeter units can be reduced, thereby achieving the purpose of reducing the cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a partial structural cross-sectional view of an electronic device according to an embodiment of the present application;

FIG. 2 is a partial enlarged view of an electronic device according to an embodiment of the present application;

Fig. 3 is a schematic structural diagram of a sound outlet in an electronic device according to an embodiment of the present application;

Fig. 4 is a schematic structural diagram of another sound hole in an electronic device according to an embodiment of the present application;

Fig. 5 is a schematic structural diagram of another sound hole in an electronic device according to an embodiment of the present application;

Fig. 6 is a schematic structural diagram of another sound hole in an electronic device according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of another sound hole in an electronic device according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of another sound hole in an electronic device according to an embodiment of the present application;

FIG. 9 is a diagram illustrating simulation graphs of different audio modes of an electronic device according to an embodiment of the present application and an electronic device according to a related art;

Fig. 10 is a practical test chart of different audio modes of an electronic device according to an embodiment of the present application and an electronic device in related art.

Reference numerals illustrate:

100-an electronic device;

200-a housing;

210-an internal cavity;

300-a display screen;

310-first side, 320-second side, 330-first side, 340-second side;

400-sound transmission structure;

410-sound outlet hole, 420-loudspeaker, 430-shell, 440-loudspeaker module, 450-sound transmission cavity and 460-sound transmission channel.

Detailed Description

As described in the background, in order to ensure the integrity of the product on the side facing the user, the speaker will typically sound in a manner that will sound on the side of the product, thereby ensuring the stereophonic effect. However, this approach has less impact on bass unit performance due to better low frequency signal diffractibility. But for the high-frequency signal, the directivity is strong, the attenuation to the screen direction is large, and the use experience of a user is directly affected.

Aiming at the technical problems, the embodiment of the application provides electronic equipment which comprises a shell, a display screen and a sound transmission structure. Wherein the housing has an internal cavity. The display screen is located on the shell, and the display screen has first face and second face, and the second face is towards inside cavity. The sound transmission structure comprises at least one sound outlet hole, the sound outlet hole is communicated with the internal cavity, and the sound outlet hole is positioned in a gap between the first surface of the display screen and the shell. The remaining gap between the first face and the housing is sealed by a filler. Therefore, the application can reasonably utilize the internal space of the electronic equipment and improve the sound emitting mode of the electronic equipment. And the directivity characteristic of high frequency is utilized, so that the medium-high frequency sensitivity of the electronic equipment in the direction of one side of the electronic equipment facing the user is improved, and the user obtains better use experience. In addition, under the condition of meeting the good effect of the sound reproduction quality of the electronic equipment, the number of the tweeter units can be reduced, thereby achieving the purpose of reducing the cost.

In order to make the above objects, features and advantages of the embodiments of the present application more comprehensible, the technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the related art, an electronic device may include a housing, a display screen, and a sound transmission structure. Wherein, the shell encloses into inside cavity with the one side of display screen, and the sound transmission structure is arranged in inside cavity. It will be appreciated that the sound delivery structure may include a sound outlet, a sound delivery channel and a speaker unit. The sound hole is offered in the side of casing, and the one end of sound transmission passageway is connected in the speaker unit, and the other end of sound transmission passageway is connected in the sound hole, and the sound wave that the speaker unit sent is followed the sound transmission passageway and is followed sound hole and spread in the shell.

However, the electronic device in the related art may have a problem in actual use that the electronic device has strong directivity for high-frequency signals and has reduced decibel sensitivity, so that attenuation in the direction opposite to the display screen is large, and the use experience of a user is easily affected.

In order to solve the above problems, an embodiment of the present application provides an electronic device, which improves a sound emitting mode of the electronic device by reasonably utilizing an internal space of the electronic device. And the directivity characteristic of high frequency is utilized, so that the medium-high frequency sensitivity of the electronic equipment in the direction of one side of the electronic equipment facing the user is improved, and the user obtains better use experience. In addition, under the condition of meeting the good effect of the sound reproduction quality of the electronic equipment, the number of the tweeter units can be reduced, thereby achieving the purpose of reducing the cost. The following describes a specific structure of an electronic device according to an embodiment of the present application with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present application provides an electronic device 100, it may be understood that the electronic device 100 may be an electronic terminal device such as a mobile phone, a tablet computer, a notebook computer, an intelligent wearable device, or the electronic device 100 may also be a fixed terminal device such as an intelligent television, a router, a server, a switch, etc., which is not limited in this embodiment. In the embodiment of the present application, the electronic device 100 is taken as a tablet computer example. The electronic device 100 may include a housing 200, a display 300, and a sound transmission structure 400. Wherein the housing 200 may have an internal cavity 210. It is understood that the display 300 may be located on the housing 200, and that the peripheral edge of the display 300 may be connected to the housing 200. In one possible implementation, the display 300 may have a first side 310 and a second side 320. Wherein the first side 310 of the display 300 may be disposed toward the user and the second side 320 of the display 300 may be disposed toward the interior cavity 210.

With continued reference to fig. 1, in a specific implementation of this embodiment, the sound delivery structure 400 may include a sound outlet 410. In one possible implementation, the number of the sound outlet holes 410 may be at least one, and the embodiment of the present application is not limited herein with respect to the number of the sound outlet holes 410. In this embodiment of the present application, a narrow gap with a certain width may be designed between the peripheral edge of the display screen 300 and the housing 200, and the sound outlet 410 may be located in the gap between the first surface 310 of the display screen 300 and the housing 200, and the sound outlet 410 may be communicated with the internal cavity 210. Additionally, the remaining gap between the first face 310 and the housing 200 is sealed by a filler. In one possible implementation, the filler may be foam. In this way, the position of the sound outlet 410 is located beside the first face 310 of the display screen 300, and the sound outlet direction can directly face the user, so that the sound can directly reach the user, obtain a larger sound pressure level, and further improve the loudness.

With continued reference to fig. 1, the foregoing embodiments are based on the above embodiment, where in the embodiment of the present application, the number of sound outlets 410 may be two, and the embodiment of the present application is exemplified by two sound outlets 410. In one possible implementation, the width of each sound outlet aperture 410 may range from 0.15-0.5mm. Thus, sound can be smoothly emitted from the sound emitting hole 410. Of course, in other embodiments, the range of the sound outlet 410 may be less than or equal to 0.2mm, so that the integrity of the display screen 300 can be ensured, and the appearance effect of the whole electronic device 100 is not affected.

With continued reference to fig. 1, further, the sound transmission structure 400 may further include a speaker 420 and a housing 430. Wherein speaker 420 may be located in housing 430 such that speaker 420 and housing 430 can form speaker module 440. And speaker module 440 may be located in interior cavity 210 of housing 200. It is understood that the speaker module 440 may be located at one end of the electronic device 100, and that the speaker module 440 can be used to play audio signals. In the embodiment of the present application, the speaker module 440 may be a small-sized high-pitched unit, which serves to reduce the occupation of the internal space of the electronic device 100, and represents the miniaturization trend of the electronic device 100. In one possible implementation, speaker 420 may enclose Cheng Chuanyin cavity 450 with at least a portion of the inner surface of housing 430, and sound transfer cavity 450 may be of closed configuration, with sound transfer cavity 450 being designed to meet the requirements of the standard cavity of speaker 420 unit. Therefore, the directionality of the audio can be effectively improved, so that the tone quality is purer, and the tone quality loss is reduced.

With continued reference to fig. 1, in one possible implementation, an end of the housing 200 facing the sound outlet 410 may be provided with a sound transmission channel 460, so that the speaker 420 can communicate with the sound outlet 410 through the sound transmission channel 460. It will be appreciated that one end of the sound transmission channel 460 is connected to the speaker 420, and the other end of the sound transmission channel 460 is connected to the sound outlet 410. In this way, sound waves emitted from the speaker 420 can radiate to the outside of the housing 200 along the sound transmission channel 460 and through the sound outlet 410. In one possible implementation, the width of the acoustic channel 460 may be greater than or equal to 0.5mm, thereby ensuring the patency of acoustic wave transmission.

With continued reference to fig. 1 and 2, further to the above embodiments, the display screen 300 may include a first side 330 and a second side 340. The number of the first side portions 330 and the second side portions 340 may be two. In the embodiment of the present application, the number of the first side portion 330 and the second side portion 340 is two. The two first side portions 330 are disposed opposite to each other, and accordingly, the two second side portions 340 may be disposed opposite to each other, with the first side portions 330 disposed perpendicular to the second side portions 340. It is understood that each of the first side portions 330 and each of the second side portions 340 may be connected to the first face 310 and the second face 320 of the display 300. In one possible implementation, the first side 330 and the housing 200 may have a narrow gap therebetween, and correspondingly, the second side 340 and the housing 200 may also have a narrow gap therebetween. In this way, the sound outlet 410 may be located on the first side 330 or the second side 340, respectively, so as to achieve different sound outlet positions.

Referring to fig. 3, in the above embodiment, in one possible implementation manner, two sound outlets 410 may be respectively formed in the middle of two first side portions 330, and the two sound outlets 410 may be disposed opposite to each other. Based on the geometric center symmetry of the electronic device 100, in the embodiment of the application, the two sound outlets 410 may be symmetrically arranged, and on the basis of improving the loudness, the electronic device 100 is more attractive from the aspect of appearance.

Referring to fig. 4, in another possible implementation manner, two sound outlets 410 may be respectively formed at upper portions of the two first side portions 330, and the two sound outlets 410 may be disposed opposite to each other. It can be appreciated that in the embodiment of the present application, the two sound outlets 410 may be symmetrically arranged, so that the electronic device 100 is more attractive from the external view of the loudness improvement.

Referring to fig. 5, in another possible implementation manner, two sound outlets 410 may be further formed at lower portions of the two first side portions 330, and the two sound outlets 410 may be disposed opposite to each other. It can be appreciated that in the embodiment of the present application, the two sound outlets 410 may be symmetrically arranged, and the electronic device 100 is also more attractive from the external view of the loudness improvement.

Referring to fig. 6, in another possible implementation manner, two sound outlets 410 may be further formed in the middle of the two second side portions 340, and the two sound outlets 410 may be disposed opposite to each other. It can be appreciated that in the embodiment of the present application, the two sound outlets 410 may be symmetrically arranged, and the electronic device 100 is also more attractive from the external view of the loudness improvement. Of course, in some other embodiments, two sound outlets 410 may be also respectively formed at other portions of the two second side portions 340, and the two sound outlets 410 may be disposed opposite to each other.

Referring to fig. 7 and 8, in another possible implementation manner, two sound outlets 410 may be formed on one of the second side portions 340, and the two sound outlets 410 may be disposed in parallel. It is understood that two sound outlets 410 may be located on one of the second side portions 340, and that two sound outlets 410 may be spaced apart on the same second side portion 340. Of course, in other possible implementations, both of the sound outlets 410 may be located on the other second side 340, and the two sound outlets 410 may be spaced apart on the same second side 340.

It will be appreciated that embodiments of the present application are not limited herein with respect to the location and number of sound outlet holes 410 on the first side 330 or the second side 340.

In the embodiment of the present application, an electronic device in which a sound hole is formed in a side surface of a housing in the related art is exemplarily compared with the electronic device 100 provided in the embodiment of the present application. Under the condition of using the same high-pitched unit and designing the same volume of the standard sound transmission cavity 450, simulation analysis is performed respectively for a mode of forming a sound hole on the side surface of the housing and a mode of forming the sound hole 410 in a narrow slit between the display screen 300 and the housing 200. The simulation result is shown in fig. 9, wherein the solid line part in fig. 9 is the sound emitting mode of the electronic device provided by the application, and the dotted line part is the sound emitting mode of the electronic device in the related art. It can be seen that, in the frequency band of 2-8 khz, the frequency response of the electronic device 100 provided by the embodiment of the application is improved by 2-4 db.

Further, under the same conditions, i.e. using the same treble unit, the same volume of the standard sound transmission cavity 450 is designed, and the actual test is performed in a manner of forming the sound hole on the side surface of the housing and in a manner of forming the sound hole 410 in the narrow slit between the display 300 and the housing 200. The test result is shown in fig. 10, where the solid line part in fig. 10 is the sound emitting mode of the electronic device provided by the present application, and the dotted line part is the sound emitting mode of the electronic device in the related art. It can be seen that in the frequency band above 2KHz, the frequency response of the electronic device 100 provided by the embodiment of the present application is improved by about 3 dB. In summary, the simulation test matches with the result of the actual test, and the sound emitting mode of the electronic device 100 provided by the application can effectively improve the sensitivity of the sound emitting mode of the electronic device in the related art.

In the embodiment of the application, the sound emitting mode of the electronic device 100 is improved by reasonably utilizing the internal space of the electronic device 100. By utilizing the directivity characteristic of high frequency, the medium-high frequency sensitivity of the electronic equipment 100 in the direction of one side of the user is improved, so that the user obtains better use experience. In addition, in the case of satisfying the good effect of the external sound of the electronic device 100, the number of tweeter 420 units can be reduced, thereby achieving the purpose of reducing the cost.

In the embodiment of the present application, the sound outlet 410 is disposed on a surface of the electronic device 100 facing the user, and the size of the sound outlet 410 is smaller than that of the sound outlet in the electronic device in the related art, so that the electronic device 100 provided by the embodiment of the present application has a certain waterproof and dustproof effect under the condition of ensuring the sound loudness.

In this specification, each embodiment or implementation is described in a progressive manner, and each embodiment focuses on a difference from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

It should be noted that references in the specification to "in the detailed description", "in some embodiments", "in this embodiment", "exemplarily", etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, terms should be understood at least in part by use in the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, at least in part depending on the context. Similarly, terms such as "a" or "an" may also be understood to convey a singular usage or a plural usage, depending at least in part on the context.

It should be readily understood that "on," "above," and "above" in this disclosure should be interpreted in the broadest sense so that "on" means not only "directly on something," but also includes the meaning of "on something" with intermediate features or layers therebetween, and "on" or "above" includes the meaning of not only "on something" or "above," but also "above" and may include the meaning of "on something" or "above" with no intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the above embodiments are merely for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present application.

Claims

1. An electronic device, comprising:

a housing having an interior cavity;

A display screen, the display screen is located on the housing, the display screen has a first surface and a second surface, and the second surface faces the internal cavity;

A sound transmission structure, the sound transmission structure comprising at least one sound outlet hole, the sound outlet hole being in communication with the internal cavity, and the sound outlet hole being located in a gap between the first surface of the display screen and the housing;

The remaining gap between the first surface and the housing is sealed by a filling piece.

2 . The electronic device according to claim 1 , wherein the number of the sound outlet holes is two, and the width of each of the sound outlet holes is in the range of 0.15-0.5 mm.

3. The electronic device according to claim 2, wherein the sound transmission structure further comprises: a speaker and a housing;

The speaker is located in the shell, and the speaker and the shell are both located in the internal cavity;

The speaker and at least a portion of the inner surface of the shell form a sound transmission cavity, and the sound transmission cavity is a closed structure.

4. The electronic device according to claim 3, characterized in that a sound transmission channel is provided at one end of the housing facing the sound outlet;

The speaker is connected to the sound outlet through the sound transmission channel;

The width of the sound transmission channel is greater than or equal to 0.5 mm.

5. The electronic device according to claim 4, wherein the display screen comprises two first side portions and two second side portions;

The two first side portions are arranged opposite to each other, the two second side portions are arranged opposite to each other, and the first side portion is arranged perpendicular to the second side portion;

Each of the first side portions and each of the second side portions are connected to the first surface and the second surface of the display screen.

6 . The electronic device according to claim 5 , wherein the two sound outlet holes are respectively opened in the middle of the two first side portions, and the two sound outlet holes are arranged opposite to each other.

7 . The electronic device according to claim 5 , wherein the two sound outlet holes are respectively opened at upper portions of the two first side portions, and the two sound outlet holes are arranged opposite to each other.

8 . The electronic device according to claim 5 , wherein the two sound outlet holes are respectively opened at the lower parts of the two first side parts, and the two sound outlet holes are arranged opposite to each other.

9 . The electronic device according to claim 5 , wherein the two sound outlet holes are respectively opened in the middle of the two second side portions, and the two sound outlet holes are arranged opposite to each other.

10 . The electronic device according to claim 5 , wherein the two sound outlet holes are opened on one of the second side portions, and the two sound outlet holes are arranged in parallel.