CN207475783U - A kind of Super Bass Loudspeaker Enclosure and electronic equipment - Google Patents
A kind of Super Bass Loudspeaker Enclosure and electronic equipment Download PDFInfo
- Publication number
- CN207475783U CN207475783U CN201820087556.2U CN201820087556U CN207475783U CN 207475783 U CN207475783 U CN 207475783U CN 201820087556 U CN201820087556 U CN 201820087556U CN 207475783 U CN207475783 U CN 207475783U
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- resistance
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- capacitance
- loudspeaker enclosure
- operational amplifier
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Abstract
The utility model belongs to speaker technology field, provides a kind of Super Bass Loudspeaker Enclosure and electronic equipment.The Super Bass Loudspeaker Enclosure includes：For the L channel amplifying circuit being amplified to left channel signals；For the right channel amplifying circuit being amplified to right-channel signals；It is connect with the L channel amplifying circuit and the right channel amplifying circuit, the mixer circuit of monophonic signal is obtained for carrying out audio mixing to the left channel signals and the right-channel signals；It is connect with the mixer circuit, for carrying out the low-pass filter circuit of low-pass filtering to the monophonic signal according to default cutoff frequency；It is connect with the low-pass filter circuit, for exporting the audio output module of the monophonic signal after low-pass filtering；It can effectively solve the problem of that Super Bass Loudspeaker Enclosure can not carry out supper bass amplification output to left channel signals and right-channel signals simultaneously in the prior art and circuit structure is excessively complicated by the utility model.
Description
Technical field
The utility model belongs to speaker technology field more particularly to a kind of Super Bass Loudspeaker Enclosure and electronic equipment.
Background technology
As requirement of the people for audio frequency apparatus improves, the speaker of existing skill is all exported for multichannel, i.e., L channel is believed
Number with right-channel signals and misaligned, ensure that the people positioned at different location can generate preferable auditory effect；When corresponding
When in audio signal transmission to human ear, since human ear is insensitive for the bass part in audio signal, just need
The bass part in audio signal is promoted to improve the sound quality of audio signal, makes people that there is stronger three-dimensional sense of hearing sense.
However, when speaker receives multi-channel audio signal in the prior art, the audio signal in monophonic, nothing can only be promoted
Method carries out supper bass amplification to left channel signals and right-channel signals simultaneously and exports；And bass power amplifier of the prior art
Using multistage large scale integrated circuit, structure is extremely complex, and electronic component is various, and power consumption is larger, produced
Heat it is higher, the Super Bass Loudspeaker Enclosure with the bass power amplifier is caused easily to suffer damage.
Utility model content
The utility model provides a kind of Super Bass Loudspeaker Enclosure and electronic equipment, it is intended to solve in the prior art Super Bass Loudspeaker Enclosure without
Method carries out supper bass amplification output to left channel signals and right-channel signals simultaneously and electronic component is excessive, complicated
Problem.
The utility model first aspect provides a kind of Super Bass Loudspeaker Enclosure, including：
For the L channel amplifying circuit being amplified to left channel signals；
For the right channel amplifying circuit being amplified to right-channel signals；
Connect with the L channel amplifying circuit and the right channel amplifying circuit, for the left channel signals with
And the right-channel signals carry out audio mixing and obtain the mixer circuit of monophonic signal；
It is connect with the mixer circuit, for carrying out low-pass filtering to the monophonic signal according to default cutoff frequency
Low-pass filter circuit；
It is connect with the low-pass filter circuit, for exporting the audio output mould of the monophonic signal after low-pass filtering
Block.
Further, first resistor and second resistance, the first end of the first resistor and the L channel are further included
Amplifying circuit is connected with the common end of the mixer circuit, the second end of first resistor ground connection, and the of the second resistance
One end is connect with the common end of the right channel amplifying circuit and the mixer circuit, the second end ground connection of the second resistance.
Further, the L channel amplifying circuit includes：First capacitance, the first operational amplifier, 3rd resistor and
4th resistance；
The first end of first capacitance for accessing the left channel signals, the second end of first capacitance with it is described
The in-phase input end connection of first operational amplifier, the 3rd resistor are connected to the anti-phase input of first operational amplifier
Between end and ground, the 4th resistance is connected to the inverting input of first operational amplifier and first operation amplifier
Between the output terminal of device, the output terminal of first operational amplifier is connect with the mixer circuit.
Further, the right channel amplifying circuit includes：Second capacitance, second operational amplifier, the 5th resistance and
6th resistance；
The first end of second capacitance for accessing the right-channel signals, the second end of second capacitance with it is described
The in-phase input end connection of second operational amplifier, the 5th resistance are connected to the anti-phase input of the second operational amplifier
Between end and ground, the 6th resistance is connected to the inverting input of the second operational amplifier and second operation amplifier
Between the output terminal of device, the output terminal of the second operational amplifier is connect with the mixer circuit.
Further, the mixer circuit includes third capacitance, the 4th capacitance, the 7th resistance and the 8th resistance；
The first end of the third capacitance is connect with the L channel amplifying circuit, the first end of the 7th resistance and institute
The second end connection of third capacitance is stated, the first end of the 4th capacitance is connect with the right channel amplifying circuit, and the described 8th
Resistance is connect with the second end of the 4th capacitance, the second end and the 8th resistance second end of the 7th resistance and institute
State low-pass filter circuit connection.
Further, the low-pass filter circuit includes：Audio processing chip, the 5th capacitance and the 9th resistance；
The audio signal input pin of the audio processing chip is connect with the mixer circuit, the audio processing chip
Power pins for connecting power supply, the grounding pin of the audio processing chip is for connecting ground, the audio processing chip
Data pin connect SCL signal, the clock pins of the audio processing chip connect SDA signal, the letter of the audio processing chip
Number output pin is connect with the first end of the 5th capacitance, the second end of the 5th capacitance and the first of the 9th resistance
End connection, the second end of the 9th resistance are connect with the audio output module.
Further, the default cutoff frequency is 30 hertz~120 hertz.
Further, the default cutoff frequency is 40 hertz, 80 hertz or 110 hertz.
Further, the audio output module is loud speaker.
The utility model second aspect provides a kind of electronic equipment, including Super Bass Loudspeaker Enclosure as described above.
The utility model is relative to the advantageous effects acquired by the prior art：By left sound amplifying circuit to left sound
Road signal is amplified, and right-channel signals are amplified by right channel amplifying circuit, is promoted by the low-pass filter circuit
Bass part in the monophonic signal, so as to which the Super Bass Loudspeaker Enclosure is realized simultaneously for left channel signals and right channel letter
Number supper bass amplification output, improve the sound quality of corresponding audio signal；The electronic component that the Super Bass Loudspeaker Enclosure is included simultaneously
Quantity is smaller, simplifies circuit structure, reduces electric energy loss, highly practical；Efficiently solve supper bass in the prior art
Speaker can not carry out supper bass amplification to left channel signals and right-channel signals simultaneously and export, and electronic component is more, complicated
The problem of.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, for those skilled in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structure diagram for Super Bass Loudspeaker Enclosure that the utility model embodiment provides；
Fig. 2 is a kind of circuit structure diagram for Super Bass Loudspeaker Enclosure that the utility model embodiment provides；
Fig. 3 is the structure diagram for a kind of electronic equipment that the utility model embodiment provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows a kind of structure diagram for Super Bass Loudspeaker Enclosure that the utility model embodiment provides, for the ease of saying
It is bright, illustrate only with the relevant part of the utility model embodiment, details are as follows：
As shown in Figure 1, the Super Bass Loudspeaker Enclosure includes：L channel amplifying circuit 101, right channel amplifying circuit 102, audio mixing electricity
Road 103, low-pass filter circuit 104 and audio output module 105；Wherein L channel amplifying circuit 101 to left channel signals L into
Row amplification, right channel amplifying circuit 102 are amplified right-channel signals R, mixer circuit 103 and L channel amplifying circuit 101
And right channel amplifying circuit 102 connects, when the mixer circuit 103 receives left channel signals L and right-channel signals R,
Mixer circuit 103 carries out audio mixing to left channel signals L and right-channel signals R and obtains monophonic signal.
Optionally, L channel amplifying circuit 101 obtains left channel signals L, right channel by wireless or wired mode
Amplifying circuit 102 obtains left channel signals L by wireless or wired mode.
Specifically, being amplified by L channel amplifying circuit 101 to left channel signals L and right channel amplifying circuit
102 couples of right-channel signals R are amplified, and improve the sound quality of two-way sound channel signal；When L channel amplifying circuit 101 is by L channel
When signal L and right channel amplifying circuit 102 export right-channel signals R to mixer circuit 103, mixer circuit 103 to this two
Road sound channel signal has obtained uniform monophonic signal after carrying out audio mixing, and it is complete to ensure that human body has when obtaining the audio signal
The three-dimensional sense in orientation.
Specifically, low-pass filter circuit 104 is connect with mixer circuit 103, low-pass filter circuit 104 is according to default cutoff frequency
Rate carries out low-pass filtering to monophonic signal；If be input to signal frequency in the low-pass filter circuit 104 presets cut-off higher than this
During frequency, the signal can not just pass through the low-pass filter circuit 104 at this time；If it is input in the low-pass filter circuit 104 on the contrary
When signal frequency is below or equal to the default cutoff frequency, the signal can pass through the low-pass filter circuit 104 at this time；Pass through
The low-pass filter circuit 104 carries out low-pass filtering to monophonic signal, improves the bass part in the monophonic signal, ensures
The supper bass output of the Super Bass Loudspeaker Enclosure.
Specifically, audio output module 105 is connect with low-pass filter circuit 104, audio output module 105 exports low pass filtered
Monophonic signal after wave, since the monophonic signal is exaggerated and low-pass filtering operation, when user gets this
During monophonic signal, there is extremely strong three-dimensional sense, so as to which the Super Bass Loudspeaker Enclosure improves the experience sense of user.
Fig. 2 shows a kind of circuit structure diagrams for Super Bass Loudspeaker Enclosure that the utility model embodiment provides, and details are as follows：
Specifically, the Super Bass Loudspeaker Enclosure further includes first resistor R1 and second resistance R2, the first end of first resistor R1
It is connect with the common end of L channel amplifying circuit 101 and mixer circuit 103, the second end ground connection GND of first resistor R1, the second electricity
The first end of resistance R2 is connect with the common end of right channel amplifying circuit 102 and mixer circuit 103, the second termination of second resistance R2
Ground.
Specifically, L channel amplifying circuit 101 includes：First capacitance C1, the first operational amplifier U1,3rd resistor R3 with
And the 4th resistance R4；The first end of first capacitance C1 for accessing left channel signals L, with first transport by the second end of the first capacitance C1
The in-phase input end connection of amplifier U1 is calculated, 3rd resistor R3 is connected to the inverting input and ground of the first operational amplifier U1
Between GND, the 4th resistance R4 is connected to the output of the inverting input and the first operational amplifier U1 of the first operational amplifier U1
Between end, the output terminal of the first operational amplifier U1 is connect with mixer circuit 103；The wherein output terminal of the first operational amplifier U1
For the output terminal of L channel amplifying circuit 101, left channel signals L can be exported.
Specifically, right channel amplifying circuit 102 includes：Second capacitance C2, second operational amplifier U2, the 5th resistance R5 with
And the 6th resistance R6；The first end of second capacitance C2 for accessing right-channel signals R, with second transport by the second end of the second capacitance C2
The in-phase input end connection of amplifier U2 is calculated, the 5th resistance R5 is connected to the inverting input and ground of second operational amplifier U2
Between GND, the 6th resistance R6 is connected to the inverting input of second operational amplifier U2 and the output of second operational amplifier U2
Between end, the output terminal of second operational amplifier U2 is connect with mixer circuit 103；The wherein output terminal of second operational amplifier U2
For the output terminal of right channel amplifying circuit 102, right-channel signals R can be exported.
Specifically, mixer circuit 103 includes third capacitance C3, the 4th capacitance C4, the 7th resistance R7 and the 8th resistance
R8；The first end of third capacitance C3 is connect with L channel amplifying circuit 101, and the first end of the 7th resistance R7 is with third capacitance C3's
Second end connects, and the first end of the 4th capacitance C4 connect with right channel amplifying circuit 102, the 8th resistance R8 and the 4th capacitance C4's
Second end connects, and the second end and the 8th resistance R8 second ends of the 7th resistance R7 connect with low-pass filter circuit 104, then and the 7th
The second end of resistance R7 and the output terminal that the 8th resistance R8 second ends are the mixer circuit 103, for exporting monophonic signal.
Specifically, low-pass filter circuit 104 includes：Audio processing chip N1, the 5th capacitance C5 and the 9th resistance R9；Sound
The audio signal input pin 2 of frequency processing chip N1 is connect with mixer circuit 103, and the power pins 1 of audio processing chip N1 are used
It, can be to audio processing chip N1 inputing powers by the power pins 1 in connection power Vcc；Audio processing chip N1's connects
Ground pin 6 is connect with ground GND, and the data pin 3 of audio processing chip N1 connects SCL signal, and the clock of audio processing chip N1 draws
Foot 4 connects SDA signal, and the signal output pin 5 of audio processing chip N1 is connect with the first end of the 5th capacitance C5, the 5th capacitance C5
Second end connect with the first end of the 9th resistance R9, the second end of the 9th resistance R9 is connect with audio output module 105, then should
The second end of 9th resistance R9 is the output terminal of low-pass filter circuit 104, and monophonic signal is exported to audio output module
105。
Specifically, when the audio signal input pin 2 of audio processing chip N1 inputs left channel signals L and right channel letter
During number R, audio processing chip N1, the 5th capacitance C5 and the 9th resistance R9 realize left channel signals L and right-channel signals R
Mixing operation, output uniform monophonic signal so as to the low-pass filter circuit 104；It should be noted that audio frequency process
The data pin 3 and clock pins 4 of chip N1 be audio processing chip N1 serial communication interface, i.e., the data pin 3 with
And clock pins 4 can be used in sending and receiving data；Wherein SCL signal and SDA signal are communication signal, are used to implement this
Audio processing chip N1 and the interconnection of extraneous communication apparatus communicate.
Optionally, audio output module 105 is loud speaker.
Specifically, default cutoff frequency is 30 hertz~120 hertz.
Optionally, it is 40 hertz to preset cutoff frequency.
Optionally, it is 80 hertz to preset cutoff frequency.
Optionally, it is 110 hertz to preset cutoff frequency.
It should be noted that in actual application, the amplitude of the default cutoff frequency can be according to the Super Bass Loudspeaker Enclosure
Performance parameter be adjusted；Optionally, which is the volume of the Super Bass Loudspeaker Enclosure, if the volume of the Super Bass Loudspeaker Enclosure
It is larger, then it needs to reduce default cutoff frequency, such as be set as 40 hertz；If the volume of the Super Bass Loudspeaker Enclosure is medium,
It needs default cutoff frequency falling height, such as is set as 80 hertz；If the volume very little of the Super Bass Loudspeaker Enclosure, needing will be default
Cutoff frequency is turned up as possible, such as is set as 110 hertz；By adjusting the amplitude of the default cutoff frequency, that is, change the list
The bass part of sound channel signal, the low-pass filter circuit 104 are the splendid monophonic signal of exportable sound quality；With reference to low-pass filtering
Circuit 104 can make the uniform audio signal of Super Bass Loudspeaker Enclosure output with audio output module 105, and it is splendid to ensure that user has
Experience of reality sense.
Fig. 3 shows the structure diagram for the electronic equipment 30 that the utility model embodiment provides, which wraps
Include Super Bass Loudspeaker Enclosure 301 as described above.
By the utility model embodiment, since the Super Bass Loudspeaker Enclosure has left sound amplifying circuit and right channel amplification electricity
Road, so as to which the Super Bass Loudspeaker Enclosure can be achieved at the same time the amplifieroperation for left channel signals and right-channel signals, and lead to
It crosses the low-pass filter circuit and improves low frequency part in monophonic signal, realize the left channel signals in the Super Bass Loudspeaker Enclosure
And right-channel signals have supper bass output, improve the experience sense of user；Simultaneously because what the Super Bass Loudspeaker Enclosure was included
Electronic component is smaller, and the structure of circuit is simple, is easily achieved in actual application, reduces electric energy loss, improves this
The practicability of Super Bass Loudspeaker Enclosure；So as to efficiently solve in the prior art Super Bass Loudspeaker Enclosure can not simultaneously to left channel signals with
And right-channel signals carry out the problem of supper bass amplification output and various, complicated electronic component.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Distinguished with another entity, without necessarily requiring or implying between these entities there are any this practical relationship or
Person's sequence.And term " comprising ", "comprising" or any other variant are intended to non-exclusive inclusion, so that packet
Include the product of a series of elements or the element that structure is intrinsic.In the absence of more restrictions, by sentence " packet
Include ... " or " including ... " limit element, it is not excluded that at the process including the element, method, article or end
Also there are other elements in end equipment.In addition, herein, " being more than ", " being less than ", " being more than " etc. are interpreted as not including this
Number；" more than ", " following ", " within " etc. be interpreted as including this number.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of Super Bass Loudspeaker Enclosure, which is characterized in that including：
For the L channel amplifying circuit being amplified to left channel signals；
For the right channel amplifying circuit being amplified to right-channel signals；
It is connect with the L channel amplifying circuit and the right channel amplifying circuit, for the left channel signals and institute
It states right-channel signals progress audio mixing and obtains the mixer circuit of monophonic signal；
It is connect with the mixer circuit, for carrying out the low pass of low-pass filtering to the monophonic signal according to default cutoff frequency
Filter circuit；
It is connect with the low-pass filter circuit, for exporting the audio output module of the monophonic signal after low-pass filtering.
2. Super Bass Loudspeaker Enclosure according to claim 1, which is characterized in that further include first resistor and second resistance, institute
The first end for stating first resistor is connect with the common end of the L channel amplifying circuit and the mixer circuit, the first resistor
Second end ground connection, the common end of the first end of the second resistance and the right channel amplifying circuit and the mixer circuit connects
It connects, the second end ground connection of the second resistance.
3. Super Bass Loudspeaker Enclosure according to claim 1, which is characterized in that the L channel amplifying circuit includes：First electricity
Appearance, the first operational amplifier, 3rd resistor and the 4th resistance；
The first end of first capacitance is used to access the left channel signals, the second end of first capacitance and described first
The in-phase input end connection of operational amplifier, the 3rd resistor be connected to the inverting input of first operational amplifier with
Between ground, the 4th resistance is connected to the inverting input of first operational amplifier and first operational amplifier
Between output terminal, the output terminal of first operational amplifier is connect with the mixer circuit.
4. Super Bass Loudspeaker Enclosure according to claim 1, which is characterized in that the right channel amplifying circuit includes：Second electricity
Appearance, second operational amplifier, the 5th resistance and the 6th resistance；
The first end of second capacitance is used to access the right-channel signals, the second end of second capacitance and described second
The in-phase input end connection of operational amplifier, the 5th resistance be connected to the inverting input of the second operational amplifier with
Between ground, the 6th resistance is connected to the inverting input of the second operational amplifier and the second operational amplifier
Between output terminal, the output terminal of the second operational amplifier is connect with the mixer circuit.
5. Super Bass Loudspeaker Enclosure according to any one of claims 1 to 4, which is characterized in that the mixer circuit includes third
Capacitance, the 4th capacitance, the 7th resistance and the 8th resistance；
The first end of the third capacitance is connect with the L channel amplifying circuit, the first end of the 7th resistance and described the
The second end connection of three capacitances, the first end of the 4th capacitance are connect with the right channel amplifying circuit, the 8th resistance
Connect with the second end of the 4th capacitance, the second end and the 8th resistance second end of the 7th resistance with it is described low
Bandpass filter circuit connects.
6. Super Bass Loudspeaker Enclosure according to claim 1, which is characterized in that the low-pass filter circuit includes：Audio frequency process
Chip, the 5th capacitance and the 9th resistance；
The audio signal input pin of the audio processing chip is connect with the mixer circuit, the electricity of the audio processing chip
Source pin is for connecting power supply, and the grounding pin of the audio processing chip is for connection ground, the number of the audio processing chip
SCL signal is connect according to pin, the clock pins of the audio processing chip connect SDA signal, and the signal of the audio processing chip is defeated
The first end for going out pin with the 5th capacitance is connect, and the second end of the 5th capacitance connects with the first end of the 9th resistance
It connects, the second end of the 9th resistance is connect with the audio output module.
7. according to the Super Bass Loudspeaker Enclosure described in claim 1 or 6, which is characterized in that the default cutoff frequency is 30 hertz
~120 hertz.
8. the Super Bass Loudspeaker Enclosure according to claim 1 or 6, which is characterized in that the default cutoff frequency for 40 hertz, 80
Hertz or 110 hertz.
9. Super Bass Loudspeaker Enclosure according to claim 1, which is characterized in that the audio output module is loud speaker.
10. a kind of electronic equipment, which is characterized in that including the Super Bass Loudspeaker Enclosure described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820087556.2U CN207475783U (en) | 2018-01-18 | 2018-01-18 | A kind of Super Bass Loudspeaker Enclosure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820087556.2U CN207475783U (en) | 2018-01-18 | 2018-01-18 | A kind of Super Bass Loudspeaker Enclosure and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475783U true CN207475783U (en) | 2018-06-08 |
Family
ID=62257705
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820087556.2U Expired - Fee Related CN207475783U (en) | 2018-01-18 | 2018-01-18 | A kind of Super Bass Loudspeaker Enclosure and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN207475783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267164A (en) * | 2019-06-24 | 2019-09-20 | 杨晓谦 | A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment |
-
2018
- 2018-01-18 CN CN201820087556.2U patent/CN207475783U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267164A (en) * | 2019-06-24 | 2019-09-20 | 杨晓谦 | A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment |
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