CN112398987A - Electronic device - Google Patents

Electronic device Download PDF

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Publication number
CN112398987A
CN112398987A CN202011293150.8A CN202011293150A CN112398987A CN 112398987 A CN112398987 A CN 112398987A CN 202011293150 A CN202011293150 A CN 202011293150A CN 112398987 A CN112398987 A CN 112398987A
Authority
CN
China
Prior art keywords
cavity
sub
sound
hole
electronic device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011293150.8A
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Chinese (zh)
Inventor
邹瑜忠
蒋国珠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN202011293150.8A priority Critical patent/CN112398987A/en
Publication of CN112398987A publication Critical patent/CN112398987A/en
Priority to PCT/CN2021/130288 priority patent/WO2022105684A1/en
Pending legal-status Critical Current

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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
    • H04M1/03—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The application discloses electronic equipment belongs to electronic equipment technical field. The electronic equipment comprises a shell, a sound production assembly and a circuit board, wherein the shell is provided with a sound guide hole and an accommodating cavity, the sound production assembly and the circuit board are positioned in the accommodating cavity, the accommodating cavity is divided into a first cavity and a second cavity by the sound production assembly, and the first cavity is communicated with the external environment through the sound guide hole; the first cavity comprises a first sub-cavity and a second sub-cavity which are communicated, and the first sub-cavity is communicated with the sound guide hole; the first sound wave signal of the preset frequency band sent by the sound production assembly is sequentially enhanced into a second sound wave signal through the second sub-cavity and the first sub-cavity. This application can play the amplification to the sound wave signal of predetermineeing the frequency channel under the condition that does not influence normal audio signal frequency response through the unique design of two sub-chambers in the first cavity to promote the sound wave and discern the success rate that the user is close to or keeps away from electronic equipment screen action.

Description

Electronic device
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to electronic equipment.
Background
With the continuous popularization of the full-screen electronic equipment, the full-screen electronic equipment has higher screen occupation ratio, and the peripheral frame of the whole electronic equipment is narrower. Ultrasonic proximity technology is commonly used in the prior art to recognize actions of a user approaching or departing from a screen of an electronic device, so as to trigger the screen to be turned off or on. Generally, a receiver of an electronic device emits an ultrasonic signal, a microphone receives the ultrasonic signal, and by detecting a change in the ultrasonic signal received by the microphone, a motion of a user approaching a screen of the electronic device or moving away from the screen of the electronic device is recognized.
The inventor finds that a factor influencing the size of an ultrasonic signal sent by an electronic device is mainly a front cavity structure of a receiver, and the existing front cavity structure of the receiver can attenuate the ultrasonic signal, so that the success rate of recognizing the action of a user approaching or departing from a screen of the electronic device is reduced.
Disclosure of Invention
The embodiment of the application aims to provide electronic equipment, which can solve the problem that the front cavity structure of the existing telephone receiver can attenuate an ultrasonic signal, so that the success rate of recognizing the action of a user approaching or leaving the screen of the electronic equipment is reduced.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides an electronic device, including: the sound production device comprises a shell, a sound production assembly and a circuit board, wherein the shell is provided with a sound guide hole and an accommodating cavity, the sound production assembly and the circuit board are positioned in the accommodating cavity, the accommodating cavity is divided into a first cavity and a second cavity by the sound production assembly, and the first cavity is communicated with the external environment through the sound guide hole;
the first cavity comprises a first sub-cavity and a second sub-cavity which are communicated, and the first sub-cavity is communicated with the sound guide hole;
the first sound wave signal of the preset frequency band sent by the sound production assembly sequentially passes through the second sub-cavity and the first sub-cavity and is enhanced into a second sound wave signal.
In a second aspect, an embodiment of the present application provides a front cavity structure of a receiver, including:
the sound cavity comprises a sound cavity body with a receiver front cavity, wherein the sound cavity body is provided with a sound guide hole, and the receiver front cavity is communicated with the external environment through the sound guide hole;
the receiver is arranged in the sound cavity body, and a vibration film of the receiver faces to the receiver front cavity;
the front cavity of the receiver is provided with a first sub-cavity and a second sub-cavity which are communicated, and the first sub-cavity is communicated with the sound guide hole.
In the embodiment of the application, through a shell provided with a sound guide hole and an accommodating cavity, a sound production assembly and a circuit board are positioned in the accommodating cavity, the accommodating cavity is divided into a first cavity and a second cavity by the sound production assembly, and the first cavity is communicated with the external environment through the sound guide hole; the first cavity comprises a first sub-cavity and a second sub-cavity which are communicated, and the first sub-cavity is communicated with the sound guide hole; wherein, the first sound wave signal of predetermineeing the frequency channel that the sound production subassembly sent loops through the second sub-chamber and the reinforcing of first sub-chamber is the second sound wave signal, so, the electronic equipment that has above-mentioned structure, through the unique design of two sub-chambers in the first cavity, can play the amplification effect to the sound wave signal of predetermineeing the frequency channel under the condition that does not influence normal audio signal frequency response to promote the sound wave and discern the success rate that the user is close to or keeps away from electronic equipment screen action.
Drawings
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 2 is a second schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 3 is a third schematic structural diagram of an electronic device according to an embodiment of the present application;
FIG. 4 is one of the schematic structural diagrams of a separator according to an embodiment of the present application;
FIG. 5 is a second schematic structural view of a separator according to an embodiment of the present application;
fig. 6 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein.
As shown in fig. 1 to 6, an embodiment of the present application provides an electronic device, including: casing 1, sound production subassembly 2 and circuit board 3, casing 1 have been seted up and have been led sound hole 4 and hold the chamber, and sound production subassembly 2 and circuit board 3 are located and hold the intracavity, and sound production subassembly 2 will hold the chamber and separate for first cavity 5 and second cavity 6, and first cavity 5 is through leading sound hole 4 and external environment intercommunication.
The first cavity 5 comprises a first sub-cavity 7 and a second sub-cavity 8 which are communicated, and the first sub-cavity 7 is communicated with the sound guide hole 4; wherein, the first sound wave signal of predetermineeing the frequency channel that the acoustic assembly 2 sent loops through second subchamber 8 and first subchamber 7 and strengthens for the second sound wave signal.
Here, the sound emitting assembly 2 is specifically a receiver, i.e. an earpiece.
The first cavity 5 is also referred to as a front cavity, and the second cavity 6 is also referred to as a rear cavity.
Optionally, the preset frequency band is a preset ultrasonic frequency band.
It should be noted that the first sub-cavity 7 and the second sub-cavity 8 which are communicated with each other act together, so that the second resonance peak of the whole first cavity (i.e. the front cavity of the receiver) 1 is in a preset ultrasonic frequency band, and the first sound wave signal (specifically referred to as an ultrasonic signal here) is amplified, thereby improving the success rate of the action of the ultrasonic recognition user approaching or leaving the screen of the electronic device.
As an optional implementation manner, as shown in fig. 1 to 6, the electronic device according to the embodiment of the present application further includes: a partition 9, the partition 9 being provided with a first through hole 10; the separating piece 9 is positioned in the first cavity 5 and separates the first cavity 5 into a first sub-cavity 7 and a second sub-cavity 8, and the first sub-cavity 7 is communicated with the second sub-cavity 8 through a first through hole 10.
Specifically, the width of the first through hole 10 is smaller than the minimum width of the sound outlet channel of the first cavity 5, or the width of the first through hole 10 is larger than the maximum width of the sound guide hole 4.
Here, as shown in fig. 1, the sound output channel of the first cavity 5 specifically refers to a signal transmission channel through which a sound wave signal (including an ultrasonic signal) emitted from the sound emitting component (specifically, a receiver) 2 is output from the sound guide hole 4, wherein the sound output channel is parallel to the vibration direction of the diaphragm of the sound emitting component 2.
It should be noted that the width of the first through hole 10 is smaller than the minimum width of the sound outlet channel of the first cavity 5, and the purpose of the first through hole is to enable the separating member 9 to divide the first cavity 5 into two sub-cavities, namely the first sub-cavity 7 and the second sub-cavity 8.
Here, the width of the first through hole 10 is greater than the maximum width of the sound guide hole 4, and the sound emitting effect of the sound emitting assembly 2 can be ensured.
Optionally, as shown in fig. 1 to 3, the number of the sound guide holes 4 is at least two, at least two of the sound guide holes 4 are distributed at a first preset interval, and the first through hole 10 includes at least two circular holes distributed at a second preset interval (as shown in fig. 4).
It should be noted that, alternatively, at least two circular holes are arranged in a row and distributed on the dividing member 9 at equal intervals.
Alternatively, in the case that the sound guide hole 4 is a first strip-shaped hole, the first through hole 10 is a second strip-shaped hole (as shown in fig. 5), and the width of the first strip-shaped hole is different from the width of the second strip-shaped hole.
The form of the through hole is only an optional scheme, and is not particularly limited herein.
Optionally, the partition 9 is a separator sheet.
It should be noted that, as shown in fig. 6, the housing 1 has a step therein, and the partition 9 is fixed to the housing 1 by a double-sided adhesive tape, as can be seen in fig. 1.
As an optional implementation manner, the casing 1 is further provided with a sound guide channel, and the second sub-cavity 8 is communicated with the first sub-cavity 7 through the sound guide channel.
It should be noted that the sound guide channel and the housing 1 may be integrally formed.
Optionally, as shown in fig. 6, the electronic device according to the embodiment of the present application further includes:
the support 11 is arranged in the shell 1, and the support 11 is provided with a second through hole 12; wherein, the second through-hole 12 communicates with the second sub-cavity 8, and the sounding subassembly 2 is fixed in on the support 11 and towards the second through-hole 12, and the sounding subassembly 2, the support 11 and the casing 1 enclose to close and form the first cavity 5.
Specifically, the diaphragm of the sound emitting module 2 faces the second through hole 12.
Alternatively, the cross-sectional area of the first sub-chamber 7 gradually increases or decreases in the axial direction of the sound guide hole 4.
Optionally, as shown in fig. 1 to 3, the first sub-cavity 7 is a trapezoidal cavity, and the second sub-cavity 8 is a square or rectangular cavity.
Optionally, the preset frequency band is a preset ultrasonic frequency band, the volume of the first sub-cavity 7 is a first volume, and the volume of the second sub-cavity 8 is a second volume; wherein a first ratio between the first volume and the second volume corresponds to the preset ultrasound frequency band.
Here, the volume of the first cavity 7 may be adjusted as needed.
It should be noted that, by reasonably controlling the area of the first through hole 10 of the separating member 9 and the volume of the first sub-chamber 7, the resonant frequency of the first sub-chamber 7 and the second sub-chamber 8 which are communicated with each other can be in the ultrasonic frequency range, which is embodied that the frequency response curve in the ultrasonic frequency range forms a peak.
The electronic equipment provided by the embodiment of the application can amplify the sound signals in the ultrasonic frequency band under the condition that the frequency response of the normal audio signals is not influenced.
It should be noted that the electronic device according to the embodiment of the present application further includes:
a screen 13, a screen cover plate 14, and a battery rear cover 15; the first surface of the screen 13 is connected with the screen cover 14, the second surface of the screen 13 is connected with the casing 1, and the first surface of the screen 13 and the second surface of the screen 13 are two opposite surfaces of the screen 13.
Wherein, the battery rear cover 15, the shell 1, the bracket 11 and the sounding component 2 enclose to form a second cavity 8.
According to the electronic equipment provided by the embodiment of the application, the sound production assembly and the circuit board are positioned in the accommodating cavity through the shell provided with the sound guide hole and the accommodating cavity, the accommodating cavity is divided into the first cavity and the second cavity by the sound production assembly, and the first cavity is communicated with the external environment through the sound guide hole; the first cavity comprises a first sub-cavity and a second sub-cavity which are communicated, and the first sub-cavity is communicated with the sound guide hole; wherein, the first sound wave signal of predetermineeing the frequency channel that the sound production subassembly sent loops through the second sub-chamber and the reinforcing of first sub-chamber is the second sound wave signal, so, the electronic equipment that has above-mentioned structure, through the unique design of two sub-chambers in the first cavity, can play the amplification effect to the sound wave signal of predetermineeing the frequency channel under the condition that does not influence normal audio signal frequency response to promote the sound wave and discern the success rate that the user is close to or keeps away from electronic equipment screen action.
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 application 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 the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
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 present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. An electronic device, comprising: the sound production device comprises a shell, a sound production assembly and a circuit board, wherein the shell is provided with a sound guide hole and an accommodating cavity, the sound production assembly and the circuit board are positioned in the accommodating cavity, the accommodating cavity is divided into a first cavity and a second cavity by the sound production assembly, and the first cavity is communicated with the external environment through the sound guide hole;
the first cavity comprises a first sub-cavity and a second sub-cavity which are communicated, and the first sub-cavity is communicated with the sound guide hole;
the first sound wave signal of the preset frequency band sent by the sound production assembly sequentially passes through the second sub-cavity and the first sub-cavity and is enhanced into a second sound wave signal.
2. The electronic device of claim 1, further comprising: a partition provided with a first through hole;
the separator is located in the first cavity, and separates the first cavity into the first sub-cavity and the second sub-cavity, and the first sub-cavity is communicated with the second sub-cavity through the first through hole.
3. The electronic device of claim 2, wherein a width of the first through hole is smaller than a minimum width of the sound outlet channel of the first cavity, or the width of the first through hole is larger than a maximum width of the sound guide hole.
4. The electronic device of claim 2, wherein the number of the sound guide holes is at least two, and at least two of the sound guide holes are distributed at a first predetermined interval, and the first through holes comprise at least two round holes distributed at a second predetermined interval.
5. The electronic device according to claim 2, wherein in a case where the sound guide hole is a first bar-shaped hole, the first through hole is a second bar-shaped hole, and a width of the first bar-shaped hole is different from a width of the second bar-shaped hole.
6. The electronic device of claim 1, wherein the housing further defines a sound guide channel, and the second sub-chamber is in communication with the first sub-chamber through the sound guide channel.
7. The electronic device of claim 1, further comprising:
the bracket is arranged in the shell and provided with a second through hole;
wherein, the second through-hole with the sub-chamber intercommunication of second, sound production subassembly is fixed in on the support and orientation the second through-hole, sound production subassembly the support with the casing encloses to close and forms first cavity.
8. The electronic apparatus according to claim 1, wherein a cross-sectional area of the first sub-cavity gradually increases or decreases in an axial direction of the sound guide hole.
9. The electronic device of claim 1, wherein the first sub-cavity is a trapezoidal cavity and the second sub-cavity is a square or rectangular cavity.
10. The electronic device of claim 1, wherein the predetermined frequency band is a predetermined ultrasonic frequency band, the volume of the first sub-cavity is a first volume, and the volume of the second sub-cavity is a second volume;
wherein a first ratio between the first volume and the second volume corresponds to the preset ultrasound frequency band.
CN202011293150.8A 2020-11-18 2020-11-18 Electronic device Pending CN112398987A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202011293150.8A CN112398987A (en) 2020-11-18 2020-11-18 Electronic device
PCT/CN2021/130288 WO2022105684A1 (en) 2020-11-18 2021-11-12 Electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011293150.8A CN112398987A (en) 2020-11-18 2020-11-18 Electronic device

Publications (1)

Publication Number Publication Date
CN112398987A true CN112398987A (en) 2021-02-23

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CN202011293150.8A Pending CN112398987A (en) 2020-11-18 2020-11-18 Electronic device

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CN (1) CN112398987A (en)
WO (1) WO2022105684A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113114824A (en) * 2021-05-13 2021-07-13 维沃移动通信有限公司 Electronic device
CN113676581A (en) * 2021-08-17 2021-11-19 维沃移动通信有限公司 Sound production device and electronic equipment
WO2022105684A1 (en) * 2020-11-18 2022-05-27 维沃移动通信有限公司 Electronic device
CN113676581B (en) * 2021-08-17 2024-04-19 维沃移动通信有限公司 Sound producing device and electronic equipment

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CN101711005A (en) * 2009-11-17 2010-05-19 南京大学 Device for improving outgoing loudspeaker responses
CN103634719A (en) * 2013-12-09 2014-03-12 李翰林 Earphone
CN108012005A (en) * 2017-11-29 2018-05-08 努比亚技术有限公司 A kind of construction package for being used for realization call breath screen and its call breath screen method
CN208638636U (en) * 2018-08-02 2019-03-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure

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CN205017534U (en) * 2015-09-30 2016-02-03 歌尔声学股份有限公司 Headset
CN108430014B (en) * 2018-02-11 2019-07-05 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN209642757U (en) * 2019-05-30 2019-11-15 维沃移动通信有限公司 Terminal device
CN213342671U (en) * 2020-11-02 2021-06-01 北京小米移动软件有限公司 Loudspeaker module and electronic equipment
CN112398987A (en) * 2020-11-18 2021-02-23 维沃移动通信有限公司 Electronic device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101711005A (en) * 2009-11-17 2010-05-19 南京大学 Device for improving outgoing loudspeaker responses
CN103634719A (en) * 2013-12-09 2014-03-12 李翰林 Earphone
CN108012005A (en) * 2017-11-29 2018-05-08 努比亚技术有限公司 A kind of construction package for being used for realization call breath screen and its call breath screen method
CN208638636U (en) * 2018-08-02 2019-03-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022105684A1 (en) * 2020-11-18 2022-05-27 维沃移动通信有限公司 Electronic device
CN113114824A (en) * 2021-05-13 2021-07-13 维沃移动通信有限公司 Electronic device
CN113676581A (en) * 2021-08-17 2021-11-19 维沃移动通信有限公司 Sound production device and electronic equipment
CN113676581B (en) * 2021-08-17 2024-04-19 维沃移动通信有限公司 Sound producing device and electronic equipment

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