CN214070150U - Sound box - Google Patents
Sound box Download PDFInfo
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- CN214070150U CN214070150U CN202120012587.3U CN202120012587U CN214070150U CN 214070150 U CN214070150 U CN 214070150U CN 202120012587 U CN202120012587 U CN 202120012587U CN 214070150 U CN214070150 U CN 214070150U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000000919 ceramic Substances 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
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Abstract
The utility model provides a sound box, which comprises a power supply unit, a power supply conversion unit, an audio input unit, an audio mixing unit, a signal processing unit and a loudspeaker unit, wherein the power supply unit provides electric energy for the sound box; the power supply conversion unit converts the electric energy provided by the power supply unit into fixed voltage; the audio input unit inputs audio; the audio frequency mixing unit mixes the audio frequency input by the audio frequency input unit; the signal processing unit amplifies or modulates the signal output by the audio frequency mixing unit; the loudspeaker unit radiates out the signal output by the signal processing unit; the loudspeaker unit includes awl basin formula loudspeaker, resonance loudspeaker and ultrasonic wave piezoceramics wherein arbitrary two kinds or three kinds, will with the ordinary audio amplifier of awl basin formula loudspeaker sound production, with the vibration audio amplifier of resonance loudspeaker sound production and the sound production mode integration of the directional audio amplifier of ultrasonic carrier compound to same audio amplifier in to this satisfies people and raises one's voice the demand of form to the different grade type.
Description
Technical Field
The utility model relates to an audio amplifier technical field especially relates to an audio amplifier of compound sound production.
Background
Three common sound boxes on the market at present comprise a common sound box which produces sound through a cone-basin type loudspeaker; the resonant horn is contacted with the medium to drive the medium to produce sound; and modulate the audio signal with the ultrasonic wave and drive the piezoelectric ceramic to send the ultrasonic wave, the ultrasonic wave carrier directional baffle box of the audio frequency of restoring from demodulation in the medium, the existing baffle box is almost one in the above three types, the sound production mode is more single, can't meet people's demand to different grade type loudspeaker mode, for example need to switch different grade type loudspeaker mode under some specific occasion or environment, for example the prevailing square dance now, can utilize the ordinary baffle box with the sound production of cone-basin loudspeaker at ordinary times, but the ordinary baffle box with the sound production of cone-basin loudspeaker can appear disturbing the problem of people at some period, just at this moment need switch the directional baffle box of ultrasonic wave carrier that the directionality is stronger, at this moment, just need purchase multiple type baffle box, lead to the consumption cost higher and cause the wasting of resources easily.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an audio amplifier, it all is with the ordinary audio amplifier of awl basin formula loudspeaker sound production to have solved current audio amplifier, with one kind in the vibration audio amplifier of resonance loudspeaker sound production or the directional audio amplifier of ultrasonic carrier, just need purchase polytype audio amplifier when the different grade type mode of raising one's voice is switched to needs, and cause the problem of consumption cost height and wasting of resources, will with the ordinary audio amplifier of awl basin formula loudspeaker sound production, in the sound production mode integration of the vibration audio amplifier of resonance loudspeaker sound production and the directional audio amplifier of ultrasonic carrier is compound to same audio amplifier, with this demand that satisfies people and raise one's voice the form to the different grade type.
In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:
the utility model discloses a sound box, which comprises a power supply module, a power supply conversion module, an audio input module, an audio mixing module, a signal processing module and a loud speaker module, wherein the power supply module is used for providing electric energy for the sound box; the power supply conversion module is used for converting the electric energy provided by the power supply module into fixed voltage; the audio input module is used for inputting audio; the audio frequency mixing module is used for mixing the audio frequency input by the audio frequency input module; the signal processing module is used for amplifying or modulating the signal output by the audio frequency mixing module; the loudspeaker module is used for radiating the signal output by the signal processing module; the loudspeaker module comprises any two or three of a cone-shaped loudspeaker, a resonance loudspeaker and ultrasonic piezoelectric ceramics, wherein the cone-shaped loudspeaker is driven by the signal processing module to produce sound; the resonance loudspeaker is driven by the signal processing module and is used for contacting a medium and driving the medium to sound; the ultrasonic piezoelectric ceramics are driven by the signal processing module to generate ultrasonic waves.
Furthermore, the signal processing module comprises an amplification driving unit and a modulation driving unit, wherein the amplification driving unit is used for amplifying the signal output by the audio frequency mixing module and driving the cone-shaped loudspeaker or the resonance loudspeaker to sound; the modulation driving unit is used for modulating the signal output by the audio frequency mixing module and driving the ultrasonic piezoelectric ceramic to emit ultrasonic waves.
Further, the audio input module comprises an audio Bluetooth input unit and an audio LINE input unit, wherein the audio Bluetooth input unit is used for inputting audio in a Bluetooth transmission mode; the audio LINE input unit is used for inputting audio through the audio input interface.
Furthermore, the sound production mode of the loudspeaker module is selected by a switch mode.
The beneficial technical effects are as follows:
the utility model discloses a sound box, which comprises a power supply module, a power supply conversion module, an audio input module, an audio mixing module, a signal processing module and a loud speaker module, wherein the power supply module is used for providing electric energy for the sound box; the power supply conversion module is used for converting the electric energy provided by the power supply module into fixed voltage; the audio input module is used for inputting audio; the audio frequency mixing module is used for mixing the audio frequency input by the audio frequency input module; the signal processing module is used for amplifying or modulating the signal output by the audio frequency mixing module, and specifically comprises an amplifying driver; the loudspeaker module is used for radiating the signal output by the signal processing module; the loudspeaker module comprises any two or three of a cone-shaped loudspeaker, a resonance loudspeaker and ultrasonic piezoelectric ceramics, wherein the cone-shaped loudspeaker is driven by the signal processing module to produce sound; the resonance loudspeaker is driven by the signal processing module and is used for contacting a medium and driving the medium to sound; ultrasonic wave piezoceramics quilt the signal processing module drive for produce the ultrasonic wave, solved current audio amplifier all with the ordinary audio amplifier of awl basin formula loudspeaker sound production, in vibration audio amplifier or the directional audio amplifier of ultrasonic carrier with resonance loudspeaker sound production one, just need purchase polytype audio amplifier when the mode is raised to the different grade type of needs switching, and cause the problem of consumption cost height and wasting of resources, will be with the ordinary audio amplifier of awl basin formula loudspeaker sound production, in the same audio amplifier is integrated compound to with the sound production mode of the vibration audio amplifier of resonance loudspeaker sound production and the directional audio amplifier of ultrasonic carrier, satisfy the demand of people to the different grade type form of raising one's voice with this.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a sound production schematic diagram of different loudspeaking forms of the sound box of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The utility model discloses a sound box, see fig. 1, the sound box specifically comprises a power supply module, a power conversion module, an audio input module, an audio mixing module, a signal processing module and a loudspeaker module, wherein the power supply module is used for providing electric energy for the sound box; the power supply conversion module is used for converting the electric energy provided by the power supply module into fixed voltage; the audio input module is used for inputting audio, and specifically comprises an audio Bluetooth input unit and an audio LINE input unit, wherein the audio Bluetooth input unit is used for inputting the audio in a Bluetooth transmission mode; the audio LINE input unit is used for inputting audio through the audio input interface; the audio frequency mixing module is used for mixing the audio frequency input by the audio frequency input module; the signal processing module is used for amplifying or modulating a signal output by the audio frequency mixing module, and specifically comprises an amplification driving unit and a modulation driving unit, wherein the amplification driving unit is used for amplifying the signal output by the audio frequency mixing module and driving a cone-shaped loudspeaker or a resonance loudspeaker to produce sound, and the modulation driving unit is used for modulating the signal output by the audio frequency mixing module and driving ultrasonic piezoelectric ceramics to emit ultrasonic waves; the loudspeaker module is used for radiating the signal output by the signal processing module; the loudspeaker module comprises any two or three of a cone-shaped loudspeaker, a resonance loudspeaker and ultrasonic piezoelectric ceramics, wherein the cone-shaped loudspeaker is driven by the signal processing module to produce sound; the resonance loudspeaker is driven by the signal processing module and is used for contacting the medium and driving the medium to sound; the ultrasonic piezoelectric ceramics are driven by the signal processing module to generate ultrasonic waves.
As an embodiment of the present invention, the power module for providing electric energy to the sound box is generally a commercial power, and the power supply mode of the power module is not limited herein as long as the electric energy can be provided to the sound box; the power conversion module of the sound box is generally realized by a power conversion chip and a peripheral circuit thereof, and the specific circuit structure of the power conversion chip and the peripheral circuit thereof is not limited as long as the function of power conversion can be realized; the audio frequency mixing module of the sound box is generally realized by a mixer and a peripheral circuit thereof, and the type of the mixer and the specific structure of the peripheral circuit thereof are not limited as long as the frequency mixing function can be realized; the amplifying driving unit in the signal processing module is generally realized by a D-type power amplifier and a peripheral circuit thereof, the D-type power amplifier refers to a D-type audio power amplifier (also called as a digital power amplifier), and the cone-shaped loudspeaker or the resonant loudspeaker is driven by controlling ON/OFF of the switch unit, the type and the peripheral circuit of the D-type power amplifier are not limited, as long as the amplifying of the output signal of the audio frequency mixing module and the driving of the cone-shaped loudspeaker or the resonant loudspeaker can be realized, the modulating driving unit in the signal processing module generally adopts an analog modulation analog mode for modulation, namely, the carrier frequency is firstly used for modulating the audio frequency and then the carrier frequency is amplified to drive the piezoelectric ceramic; or the piezoelectric ceramic is driven by a digital audio carrier processing technology, as long as the function of modulating the signal output by the audio mixing module to a certain frequency and driving the ultrasonic piezoelectric ceramic to generate ultrasonic waves can be realized, and the specific circuit structure of the modulation driving unit is not limited herein.
The utility model discloses a working principle of audio amplifier does:
the power module of the sound box provides electric energy for the sound box, audio signals are input through an audio Bluetooth input unit or an audio LINE input unit in the audio input module, the audio signals input by the audio input module are subjected to mixing processing through an audio mixing module, a cone-basin type loudspeaker or a resonance loudspeaker or an ultrasonic piezoelectric ceramic in the sound amplifying module can be selected to send ultrasonic waves to sound in a switch switching mode, and when the cone-basin type loudspeaker is selected to sound, signals output by the audio mixing module pass through a first amplification driving unit to drive the cone-basin type loudspeaker to sound; when the resonant horn is selected to sound, the signal output by the audio frequency mixing module drives the resonant horn to sound through the second amplification driving unit (the resonant horn sound production principle is that the resonant horn contacts a medium to drive the medium to sound, and the tone colors formed by different media are different); when the ultrasonic piezoelectric ceramics are selected to generate ultrasonic sound, signals output by the audio frequency mixing module drive the ultrasonic piezoelectric ceramics to generate ultrasonic waves through the modulation driving unit, and the ultrasonic waves are self-demodulated in a medium (gas, liquid and solid) to restore the audio frequency, so that the sound production mode has strong directivity.
The utility model discloses a sound box, will be the sound production mode integrated complex of ordinary audio amplifier, vibration audio amplifier, the directional audio amplifier of ultrasonic carrier to same audio amplifier in to this satisfies people and raises one's voice the demand of form to the different grade type.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above 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 above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (4)
1. An acoustic enclosure, comprising:
the power supply module is used for supplying electric energy to the sound box;
the power supply conversion module is used for converting the electric energy provided by the power supply module into fixed voltage;
the audio input module is used for inputting audio;
the audio frequency mixing module is used for mixing the audio frequency input by the audio frequency input module;
the signal processing module is used for amplifying or modulating the signal output by the audio frequency mixing module;
the loudspeaker module is used for radiating the signal output by the signal processing module; the loudspeaker module comprises any two or three of a cone-shaped loudspeaker, a resonance loudspeaker and ultrasonic piezoelectric ceramics, wherein,
the cone-shaped loudspeaker is driven by the signal processing module and is used for producing sound;
the resonance loudspeaker is driven by the signal processing module and is used for contacting a medium and driving the medium to sound;
and the ultrasonic piezoelectric ceramics are driven by the signal processing module and used for generating ultrasonic waves.
2. An acoustic enclosure according to claim 1, wherein the signal processing module comprises:
the amplification driving unit is used for amplifying the signal output by the audio frequency mixing module and driving the cone-shaped loudspeaker or the resonance loudspeaker to sound;
and the modulation driving unit is used for modulating the signal output by the audio frequency mixing module and driving the ultrasonic piezoelectric ceramic to emit ultrasonic waves.
3. An acoustic enclosure according to claim 1, wherein the audio input module comprises:
the audio Bluetooth input unit is used for inputting audio in a Bluetooth transmission mode;
and the audio LINE input unit is used for inputting audio through the audio input interface.
4. The sound box according to claim 1, wherein the sound emitting mode of the speaker module is selected by a switch mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120012587.3U CN214070150U (en) | 2021-01-05 | 2021-01-05 | Sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120012587.3U CN214070150U (en) | 2021-01-05 | 2021-01-05 | Sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214070150U true CN214070150U (en) | 2021-08-27 |
Family
ID=77368902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120012587.3U Expired - Fee Related CN214070150U (en) | 2021-01-05 | 2021-01-05 | Sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214070150U (en) |
-
2021
- 2021-01-05 CN CN202120012587.3U patent/CN214070150U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210827 |