CN221175312U - Electronic equipment - Google Patents

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Publication number
CN221175312U
CN221175312U CN202322591992.7U CN202322591992U CN221175312U CN 221175312 U CN221175312 U CN 221175312U CN 202322591992 U CN202322591992 U CN 202322591992U CN 221175312 U CN221175312 U CN 221175312U
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output unit
even number
horns
frequency
electronic device
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CN202322591992.7U
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赵佩璐
付宏让
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Abstract

The application provides electronic equipment, and relates to the technical field of electronic equipment. Wherein, this electronic equipment includes: a housing including an accommodation space; the interaction assembly is arranged on one surface of the shell and used for inputting/outputting information; an audio output assembly comprising: the first output unit, the second output unit and the third output unit are distributed in the accommodating space of the shell; the audio frequency range output by the first output unit is smaller than a first frequency threshold, the audio frequency range output by the third output unit is larger than a second frequency threshold, and the audio frequency range output by the second output unit is between the first frequency threshold and the second frequency threshold, wherein the second frequency threshold is larger than the first frequency threshold.

Description

Electronic equipment
Technical Field
The application relates to the technical field of electronic equipment, in particular to electronic equipment.
Background
The utilization rate of the tablet personal computer in families is higher and higher, the tablet personal computer plays a very important role in entertainment and education, and more manufacturers mine entertainment attributes of the tablet personal computer, so that how to better provide higher-quality sound and effects is important.
Disclosure of utility model
The embodiment of the application aims to provide electronic equipment, which mainly provides the following technical scheme:
the present application provides an electronic device including: a housing including an accommodation space;
The interaction assembly is arranged on one surface of the shell and used for inputting/outputting information;
An audio output assembly comprising: the first output unit, the second output unit and the third output unit are distributed in the accommodating space of the shell;
The audio frequency range output by the first output unit is smaller than a first frequency threshold, the audio frequency range output by the third output unit is larger than a second frequency threshold, and the audio frequency range output by the second output unit is between the first frequency threshold and the second frequency threshold, wherein the second frequency threshold is larger than the first frequency threshold.
In some modified embodiments of the present application, the first output unit includes a digital low-pass filter for filtering out a low-frequency signal having an audio frequency range smaller than the first frequency threshold, and outputting the low-frequency signal to a first speaker of the first output unit;
The second output unit comprises a digital band-pass filter, is used for filtering intermediate frequency signals with the audio frequency range between the first frequency threshold value and the second frequency threshold value, and outputs the intermediate frequency signals to a second loudspeaker of the second output unit;
The third output unit comprises a digital high-pass filter for filtering out high-frequency signals with the audio frequency range being larger than the second frequency threshold value and outputting the high-frequency signals to a third loudspeaker of the third output unit.
In some modified embodiments of the present application, the first output unit includes an even number of first horns and an even number of first power amplifiers, and the low-frequency signal is output to a corresponding one of the first horns through one of the even number of first power amplifiers, respectively;
The second output unit comprises an even number of second horns and an even number of second power amplifiers, and the intermediate frequency signals are respectively output to a corresponding one of the second horns through one of the second power amplifiers in the even number of second power amplifiers;
The third output unit comprises an even number of third horns and an even number of third power amplifiers, and the high-frequency signals are respectively output to a corresponding third horn through one third power amplifier in the even number of third power amplifiers.
In some variant embodiments of the application, the audio output assembly further comprises: a processor;
the first output unit, the second output unit and the third output unit respectively comprise a first power amplifier, a second power amplifier and a third power amplifier, and the processor controls the audio signals to be divided to be respectively transmitted to the first power amplifier, the second power amplifier and the third power amplifier.
In some variations of the application, the first power amplifier includes a digital low pass filter for receiving the audio signal to be divided and filtering low frequency signals having an output audio frequency less than the first frequency threshold;
The second power amplifier comprises a digital band-pass filter for receiving the audio signal to be divided and filtering an intermediate frequency signal with an output audio frequency range between the first frequency threshold and the second frequency threshold;
the third power amplifier comprises a digital high-pass filter for receiving the audio signal to be divided and filtering out a high-frequency signal having an audio frequency range greater than the second frequency threshold.
In some variations of the application, the first frequency threshold is between 500-900hz and the second frequency threshold is between 3000-5000 hz.
In some variations of the application, the housing is rectangular; the horns in the first output unit, the second output unit and the third output unit are symmetrically distributed in the rectangular accommodating space respectively.
In some variations of the application, the housing includes opposing first and second sides;
the first output unit comprises an even number of first horns;
the second output unit comprises an even number of second horns;
The third output unit comprises an even number of third horns;
The even number of the first horns, the even number of the second horns and the even number of the third horns are symmetrically arranged in the accommodating space close to the first side face and the accommodating space of the second side face respectively.
In some modified embodiments of the present application, the first side surface and the second side surface each have a first midpoint in a longitudinal direction thereof, the third horn and the second horn are disposed on one side of the first midpoint, and the first horn is disposed on the other side of the first midpoint.
In some variations of the application, the housing includes a first side opposite the first side;
the first output unit comprises an even number of first horns;
the second output unit comprises an even number of second horns;
The third output unit comprises an even number of third horns;
The even number third horns and the even number second horns are symmetrically arranged in the accommodating space close to the first side face and the accommodating space of the second side face respectively, and the even number first horns are arranged in the middle of the accommodating space and close to one face, deviating from the interactive component, of the shell.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, wherein like or corresponding reference numerals indicate like or corresponding parts, there are shown by way of illustration, and not limitation, several embodiments of the application, in which:
FIGS. 1A-1B schematically illustrate a schematic structural diagram of an electronic device according to an embodiment of the present application;
Fig. 2 schematically illustrates another structural schematic diagram of an electronic device provided by an embodiment of the present application;
FIGS. 3A-3B schematically illustrate another structural schematic diagram of an electronic device according to an embodiment of the present application;
FIG. 4 schematically illustrates a block circuit diagram of an electronic device provided by an embodiment of the application;
FIG. 5 schematically illustrates another circuit block diagram of an electronic device provided by an embodiment of the application;
Reference numerals illustrate:
1. A housing; 1a, a first side; 1b, a second side; 1c, a first midpoint; 211. a first horn; 212. a first power amplifier; 213. a digital low pass filter; 221. a second horn; 222. a second power amplifier; 223. a digital band-pass filter; 231. a third horn; 232. a third power amplifier; 233. a digital high pass filter; 24. a processor 24.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
Examples
Referring to fig. 1-5, an embodiment of the present application proposes an electronic device including: a housing 1 including an accommodating space; the interaction component is arranged on one surface of the shell 1 and is used for inputting/outputting information; and an audio output assembly comprising: the first output unit, the second output unit and the third output unit are distributed in the accommodating space of the shell 1; the audio frequency range output by the first output unit is smaller than a first frequency threshold, the audio frequency range output by the third output unit is larger than a second frequency threshold, and the audio frequency range output by the second output unit is between the first frequency threshold and the second frequency threshold, wherein the second frequency threshold is larger than the first frequency threshold.
Specifically, the electronic device provided in this embodiment may be, but not limited to, a tablet computer, a notebook computer, etc., and the electronic device is described below by taking the electronic device as an example of the tablet computer, where the electronic device includes: the electronic device comprises a shell 1 and an interaction assembly, wherein the shape of the shell 1 can be, but is not limited to, rectangular, and the shell is internally provided with a containing space for containing electronic devices; the interactive component is disposed on one side of the housing 1, and is used for inputting and/or outputting information, and the interactive component may include: the display screen and/or the keyboard can be specifically a touch screen, can be used for inputting touch operation, and can also output display pictures. At present, in order to improve the tone quality and the sound effect of electronic products, the whole bandwidth is usually narrower, the sound can have no layering effect, and therefore, the audio output assembly adopted by the electronic equipment provided by the embodiment adopts the three-frequency division technology, so that the whole layering effect of the sound emitted by the electronic equipment is more prominent, the balance bar of the tone color of the sound is stronger, the speakers of three frequency bands are fully utilized, the maximum loudness is reserved after the wider bandwidth is widened, and immersive audio and video experience can be provided for users.
Specifically, in the technical scheme adopted by the application, the audio output assembly comprises: the first output unit, the second output unit and the third output unit are respectively distributed in the accommodating space of the shell 1, and the part of the shell 1 corresponding to each output unit is respectively provided with a sound emitting area, so that the audio output by each output unit can be transmitted to the outside of the shell 1 of the electronic equipment; in order to realize the three-frequency division design, the audio frequency range of the first output unit is set to be smaller than a first frequency threshold value, the audio frequency range output by the third output unit is larger than a second frequency threshold value, and the audio frequency range output by the second output unit is between the first frequency threshold value and the second frequency threshold value (comprising two threshold end points), wherein the second frequency threshold value is larger than the first frequency threshold value; by the design, the audio frequency output by the first output unit is low frequency, the audio frequency output by the second output unit is medium frequency, and the audio frequency output by the third output unit is high frequency, so that the high, medium and low perfection of the audio output assembly is achieved, and the layering sense is obviously improved compared with the scheme of full-frequency loudspeaker output.
The first frequency threshold and the second frequency threshold may be specifically set and adjusted according to the resonance frequency characteristic of the horn, the first frequency threshold may be set between 500 hz and 900hz, the second frequency threshold may be set between 3000 hz and 5000hz, the first frequency threshold is 800hz, the second frequency threshold is 5000hz, for example, the audio frequency range of the first output unit is less than 800hz, the audio frequency range of the second output unit is between 800hz and 5000hz (including two threshold endpoints), and the audio frequency range of the third output unit is greater than 5000hz, but not limited thereto.
According to the above-mentioned embodiments of the present application, an electronic device is provided, an audio output component of the electronic device adopts a three-frequency division technology, where the audio output component includes a first output unit, a second output unit and a third output unit, the audio frequency range of the first output unit is set to be smaller than a first frequency threshold, the audio frequency range of the third output unit is greater than a second frequency threshold, and the audio frequency range of the second output unit is between the first frequency threshold and the second frequency threshold.
Further, referring to fig. 4, in an embodiment, the first output unit includes a digital low-pass filter 213 and a first speaker 211, the digital low-pass filter 213 uses a filtering mode of digital low-pass filtering, a filtering rule is set by a digital circuit or a digital algorithm, so that a low-frequency signal with an audio frequency range smaller than a first frequency threshold value passes, and a signal with an audio frequency range exceeding the first frequency threshold value is blocked and attenuated, and the low-frequency signal is output to the first speaker 211 of the first output unit; the second output unit includes a digital band-pass filter 223 and a second horn 221, where the digital band-pass filter 223 is a filter for selecting a signal with a specific frequency band, and can remove low-frequency and high-frequency signals in the signal, and is used to filter out an intermediate-frequency signal with an audio frequency range between a first frequency threshold and a second frequency threshold, and output the intermediate-frequency signal to the second horn 221 of the second output unit, where the digital band-pass filter 223 can be formed by cascading a low-pass filter and a high-pass filter; the third output unit includes a digital high-pass filter 233 and a third horn 231, and the digital high-pass filter 233 is a filter for filtering out a low-frequency signal while retaining a high-frequency signal, and is used for filtering out a high-frequency signal having an audio frequency range greater than the second frequency threshold, and outputting to the third horn 231 of the third output unit.
Further, referring to fig. 5, in an embodiment, the first output unit specifically further includes an even number of first horns 211 and an even number of first power amplifiers 212, where the even number of first horns 211 and the even number of first power amplifiers 212 are respectively in one-to-one correspondence, and the low frequency signal may be output to a corresponding one of the first horns 211 through each of the first power amplifiers 212; the second output unit specifically further includes an even number of second horns 221 and an even number of second power amplifiers 222, where the even number of second horns 221 and the even number of second power amplifiers 222 are respectively in one-to-one correspondence, and the intermediate frequency signal can be output to one second horn 221 corresponding to each second power amplifier 222 respectively; the third output unit includes an even number of third horns 231 and an even number of third power amplifiers 232, the even number of third horns 231 and the even number of third power amplifiers 232 are respectively in one-to-one correspondence, and the high-frequency signal is respectively output to one third horn 231 corresponding to each third power amplifier 232 through each third power amplifier 232. The number of the first loudspeaker 211, the second loudspeaker 221 and the third loudspeaker 231 is respectively provided with an even number, so that the symmetry of sound emitted by the electronic equipment can be ensured, and the sound effect and the hearing experience of a user can be improved.
Further, referring to fig. 4, in an implementation, the audio output assembly further includes: a processor 24, the processor 24 and each output unit being connectable via a TDM or I2S interface for transmitting audio signals; the first output unit, the second output unit, and the third output unit respectively include a first power amplifier 212, a second power amplifier 222, and a third power amplifier 232, and the processor 24 can control the audio signal to be divided to be transmitted to the first power amplifier 212, the second power amplifier 222, and the third power amplifier 232, respectively.
Specifically, in the technical solution adopted in the present application, referring to fig. 4, the first power amplifier 212 includes a digital low-pass filter 213, configured to receive an audio signal to be divided and filter and output a low-frequency signal with an audio frequency smaller than a first frequency threshold; the second power amplifier 222 comprises a digital band-pass filter 223 for receiving the audio signal to be divided and filtering the intermediate frequency signal of the output audio frequency range between the first frequency threshold and the second frequency threshold; the third power amplifier 232 comprises a digital high pass filter 233 for receiving the audio signal to be divided and filtering the output high frequency signal with an audio frequency range greater than the second frequency threshold.
Further, referring to fig. 1A, 1B and 2, in an embodiment, the housing 1 may be rectangular in shape and includes a first side 1A and a second side 1B opposite to each other, the first side 1A and the second side 1B are respectively disposed on two sides of a plane where the interaction component is located, and the first side 1A and the second side 1B have a first midpoint along a length direction thereof; in order to improve the symmetry of sound emitted by the electronic equipment and sound effect, speakers in the first output unit, the second output unit and the third output unit can be symmetrically distributed in the rectangular accommodating space respectively.
Furthermore, in the technical scheme adopted by the application, the horns included in the first output unit, the second output unit and the third output unit can be arranged in the accommodating space according to the following two arrangement modes, and the arrangement modes are as follows:
The first arrangement is: referring to fig. 1A, 1B and 2, the first output unit includes an even number of first horns 211; the second output unit includes an even number of second horns 221; the third output unit includes an even number of third horns 231; the even number of first horns 211, the even number of second horns 221 and the even number of third horns 231 are symmetrically arranged in the accommodating space close to the first side surface 1a and the accommodating space close to the second side surface 1b respectively, namely the even number of first horns 211, the even number of second horns 221 and the even number of third horns 231 are divided into two parts with equal numbers, and the accommodating space close to the first side surface 1a and the accommodating space close to the second side surface 1b are respectively provided with the first horns 211, the second horns 221 and the third horns 231 with equal numbers. On the basis, the method can further comprise the following steps: the third horn 231 and the second horn 221 are disposed at one side of the first midpoint, and the first horn 211 is disposed at the other side of the first midpoint; the arrangement mode can improve the aesthetic property of the electronic equipment, is more convenient for users to use, and reduces the limitation on the use mode of the users; it should be noted that fig. 1A and fig. 1B are schematic structural diagrams of an electronic device as a tablet computer, fig. 2 is a schematic structural diagram of an electronic device as a notebook computer, and the first horn 211, the second horn 221 and the third horn 231 are illustrated by dashed lines in the drawings.
The second arrangement is as follows: referring to fig. 3A and 3B, the first output unit includes an even number of first horns 211; the second output unit includes an even number of second horns 221; the third output unit includes an even number of third horns 231; the even number of first horns 211 and the even number of second horns 221 are symmetrically arranged in the accommodating space close to the first side surface 1a and the accommodating space close to the second side surface 1b respectively, namely the even number of third horns 231 and the even number of second horns 221 are divided into two equal parts, the accommodating space close to the first side surface 1a and the accommodating space close to the second side surface 1b are respectively provided with the equal numbers of third horns 231 and second horns 221, the even number of first horns 211 are arranged in the middle part of the accommodating space and the side close to the shell 1 and away from the interaction component, and the design is based on the fact that the bass resonance frequency of the low-frequency horns is relatively low, the directivity is not strong, and the low-frequency horns can be placed on the back side of a tablet computer, so that the back side of the tablet personal computer can not attenuate the loudness of intermediate frequency.
Specifically, the number of the even number of the first horns 211, the number of the even number of the second horns 221, and the number of the even number of the third horns 231 may be two; in practical application, any one of the two arrangement modes can be adopted according to the structure of the electronic equipment, and certain adjustment is carried out according to the structure in the accommodating space.
It should be noted that, in the description of the present specification, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An electronic device, comprising:
A housing including an accommodation space;
The interaction assembly is arranged on one surface of the shell and used for inputting/outputting information;
An audio output assembly comprising: the first output unit, the second output unit and the third output unit are distributed in the accommodating space of the shell;
The audio frequency range output by the first output unit is smaller than a first frequency threshold, the audio frequency range output by the third output unit is larger than a second frequency threshold, and the audio frequency range output by the second output unit is between the first frequency threshold and the second frequency threshold, wherein the second frequency threshold is larger than the first frequency threshold.
2. The electronic device of claim 1, wherein the electronic device comprises a memory device,
The first output unit comprises a digital low-pass filter, and is used for filtering out a low-frequency signal with the audio frequency range smaller than the first frequency threshold value and outputting the low-frequency signal to a first loudspeaker of the first output unit;
The second output unit comprises a digital band-pass filter, is used for filtering intermediate frequency signals with the audio frequency range between the first frequency threshold value and the second frequency threshold value, and outputs the intermediate frequency signals to a second loudspeaker of the second output unit;
The third output unit comprises a digital high-pass filter for filtering out high-frequency signals with the audio frequency range being larger than the second frequency threshold value and outputting the high-frequency signals to a third loudspeaker of the third output unit.
3. The electronic device of claim 2, wherein the electronic device comprises a memory device,
The first output unit comprises an even number of first horns and an even number of first power amplifiers, and the low-frequency signals are respectively output to a corresponding one of the first horns through one of the even number of first power amplifiers;
The second output unit comprises an even number of second horns and an even number of second power amplifiers, and the intermediate frequency signals are respectively output to a corresponding one of the second horns through one of the second power amplifiers in the even number of second power amplifiers;
The third output unit comprises an even number of third horns and an even number of third power amplifiers, and the high-frequency signals are respectively output to a corresponding third horn through one third power amplifier in the even number of third power amplifiers.
4. The electronic device of claim 1, wherein the electronic device comprises a memory device,
The audio output assembly further comprises: a processor;
the first output unit, the second output unit and the third output unit respectively comprise a first power amplifier, a second power amplifier and a third power amplifier, and the processor controls the audio signals to be divided to be respectively transmitted to the first power amplifier, the second power amplifier and the third power amplifier.
5. The electronic device of claim 4, wherein the electronic device comprises a memory device,
The first power amplifier comprises a digital low-pass filter, and is used for receiving the audio signal to be divided and filtering and outputting a low-frequency signal with the audio frequency smaller than the first frequency threshold value;
The second power amplifier comprises a digital band-pass filter for receiving the audio signal to be divided and filtering an intermediate frequency signal with an output audio frequency range between the first frequency threshold and the second frequency threshold;
the third power amplifier comprises a digital high-pass filter for receiving the audio signal to be divided and filtering out a high-frequency signal having an audio frequency range greater than the second frequency threshold.
6. The electronic device of any one of claims 1-5, wherein,
The first frequency threshold is between 500-900hz and the second frequency threshold is between 3000-5000 hz.
7. The electronic device of claim 1, wherein the electronic device comprises a memory device,
The shell is rectangular;
The horns in the first output unit, the second output unit and the third output unit are symmetrically distributed in the rectangular accommodating space respectively.
8. The electronic device of claim 7, wherein the electronic device comprises a memory device,
The housing includes opposed first and second sides;
the first output unit comprises an even number of first horns;
the second output unit comprises an even number of second horns;
The third output unit comprises an even number of third horns;
the even number of the first horns, the even number of the second horns and the even number of the third horns are symmetrically arranged in the accommodating space close to the first side face and the accommodating space of the second side face respectively.
9. The electronic device of claim 8, wherein the electronic device comprises a memory device,
The first side surface and the second side surface are respectively provided with a first midpoint in the length direction, the third horn and the second horn are arranged on one side of the first midpoint, and the first horn is arranged on the other side of the first midpoint.
10. The electronic device of claim 7, wherein the electronic device comprises a memory device,
The housing includes a first side opposite the first side;
the first output unit comprises an even number of first horns;
the second output unit comprises an even number of second horns;
The third output unit comprises an even number of third horns;
The even number third horns and the even number second horns are symmetrically arranged in the accommodating space close to the first side face and the accommodating space of the second side face respectively, and the even number first horns are arranged in the middle of the accommodating space and close to one face, deviating from the interactive component, of the shell.
CN202322591992.7U 2023-09-22 2023-09-22 Electronic equipment Active CN221175312U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322591992.7U CN221175312U (en) 2023-09-22 2023-09-22 Electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322591992.7U CN221175312U (en) 2023-09-22 2023-09-22 Electronic equipment

Publications (1)

Publication Number Publication Date
CN221175312U true CN221175312U (en) 2024-06-18

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Application Number Title Priority Date Filing Date
CN202322591992.7U Active CN221175312U (en) 2023-09-22 2023-09-22 Electronic equipment

Country Status (1)

Country Link
CN (1) CN221175312U (en)

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