CN201601811U - Attachable subwoofer and portable sound box combination device - Google Patents

Attachable subwoofer and portable sound box combination device Download PDF

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Publication number
CN201601811U
CN201601811U CN2010201091359U CN201020109135U CN201601811U CN 201601811 U CN201601811 U CN 201601811U CN 2010201091359 U CN2010201091359 U CN 2010201091359U CN 201020109135 U CN201020109135 U CN 201020109135U CN 201601811 U CN201601811 U CN 201601811U
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CN
China
Prior art keywords
subwoofer
interface
audio
loudspeaker box
portable loudspeaker
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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.)
Expired - Fee Related
Application number
CN2010201091359U
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Chinese (zh)
Inventor
李锐
Original Assignee
李锐
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Filing date
Publication date
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Priority to CN2010201091359U priority Critical patent/CN201601811U/en
Application granted granted Critical
Publication of CN201601811U publication Critical patent/CN201601811U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an attachable subwoofer and portable sound box combination device, which comprises a portable sound box part and an attachable subwoofer part. The portable sound box part includes a power interface, an audio frequency input interface, an audio frequency adjustment circuit, a power amplification circuit, sound boxes and a subwoofer interface, wherein the audio frequency adjustment circuit is connected on the audio frequency input interface; and the attachable subwoofer part includes a volume adjustment circuit, a low pass filter, a power amplification circuit, a woofer and an audio frequency interface, wherein the volume adjustment circuit is connected with the low pass filter, the low pass filter is connected with the power amplification circuit, the power amplification circuit is connected with the woofer, and the audio frequency interface is arranged corresponding to the subwoofer interface of the portable sound box part.

Description

But addition type subwoofer and portable loudspeaker box composite set
Technical field
The utility model relates to a kind of audio amplifier composite set, be meant especially and a kind ofly comprise portable loudspeaker box part and can add the subwoofer part that this portable loudspeaker box part and this can add the audio amplifier composite set that can be in separate state and connection status between the subwoofer part.
Background technology
Music spreads in the crowd with the form of singing the earliest, along with the various media that can store the carrying music of the progress of society produce in a large number, such as computer memory device, CD dish or the like, these memory devices must just can externally be expressed music by corresponding music equipment, to reach the purpose that the hearing organ that makes people feels.So various audio amplifier equipment are created out by people again, modern age, the volume of various electric equipments dwindled greatly along with the electronics development of integration technology, and the volume of audio amplifier is also dwindling synchronously, make people can carry some audio amplifier equipment, be convenient for people to listen to music whenever and wherever possible.
It is the stereo speaker of built-in power amplifying circuit for present 2.0 active audio amplifiers that occur on the market, two sound channels about being divided into, from in appearance, can be to divide right and left, can be all-in-one also, and for 2.1 active audio amplifiers, in order to improve the amount sense and the texture of bass, low pass is partly sent with specially designed subwoofer, and simultaneously the integrated power amplification circuit of left and right acoustic channels audio amplifier in subwoofer is connected to left and right sides audio amplifier on the subwoofer and can uses.It is through special design, the audio amplifier of the low pass composition in the only responsible playing back music for subwoofer.Because low pass does not have tangible directivity, generally make one, cooperate the left and right acoustic channels audio amplifier to use.
According to as mentioned above, the common portable loudspeaker box that occurs now, the music appreciating of going out for convenience, it is too big that volume generally can not be done, thus bass relatively be short of, even adopt some new technology, also be that improvement is limited, fundamentally can't compare with the subwoofer of large volume.Although and common active audio amplifier has abundant bass, be limited to bigger volume, may not carry, the power amplification circuit of left and right sides audio amplifier has left subwoofer and also can't work in subwoofer, therefore can only be fit to use at home.
Summary of the invention
But the utility model provides a kind of addition type subwoofer and portable loudspeaker box composite set, its portable loudspeaker box part and can add between the subwoofer part and can be in separate state and connection status, thereby be convenient for people to use, and this is to be main purpose of the present utility model.
Technical solution adopted in the utility model is: but addition type subwoofer and portable loudspeaker box composite set, it comprises the portable loudspeaker box part and can add the subwoofer part that this portable loudspeaker box part and this can add between the subwoofer part and can be in separate state and connection status.
When this portable loudspeaker box part and this can add subwoofer when partly being in separate state this portable loudspeaker box part can be carried at trip separately by the user or the support of audio amplifier equipment is provided when going out, when this portable loudspeaker box part and this can add subwoofer when partly being in connection status, this portable loudspeaker box part can be added subwoofer by connecting line and this and partly is connected, this moment, by this effect that can add the bass part in the subwoofer part playing audio signal and promote whole voice playing in conjunction with this portable loudspeaker box part together.
This portable loudspeaker box partly comprises power interface and audio input interface, this portable loudspeaker box part also comprises audio frequency adjustment circuit, power amplification circuit and audio amplifier, wherein, this audio amplifier comprises left voice box and right voice box, this portable loudspeaker box part is connected with external power source by this power interface, and needed electric power when providing this portable loudspeaker box partly to work by this external power source, this portable loudspeaker box part is connected with the external audio playback equipment by this audio input interface, and this external audio playback equipment can be MP3, audio-frequence player devices such as MP4.
This audio frequency is adjusted circuit and is connected on this audio input interface, and audio frequency at first transfers to this audio frequency from this audio input interface and adjusts in the circuit, adjusts circuit by this audio frequency audio frequency is adjusted.
This audio frequency is adjusted circuit and is connected with this power amplification circuit, and this audio amplifier is connected on this power amplification circuit, entering this power amplification circuit through the adjusted audio frequency of this audio frequency adjustment circuit is outwards play by this audio amplifier at last, this portable loudspeaker box part also comprises the subwoofer interface, and this subwoofer interface is the 2.0+0.1 interface.
This can add subwoofer and partly comprise volume adjustment circuit, low pass filter, power amplification circuit and bass horn, this volume is adjusted circuit and is connected with this low pass filter, this low pass filter is connected with this power amplification circuit, at last, this power amplification circuit is connected with this bass horn, and this can add the subwoofer part and also comprise audio interface, and this audio interface is corresponding with this subwoofer interface of this portable loudspeaker box part, at last, this can add subwoofer part and also comprises external power supply.
The beneficial effects of the utility model are: the utility model has the portable sound box of 2.0+0.1 interface, just the same with common portable sound box, still conveniently go out to portably use, and in going back home the time, 2.0+0.1 interface by this machine is connected with special-purpose subwoofer, has just formed 2.1 complete active systems of a cover.Possess abundant bass and good sound quality, family expenses go out to neglect neither.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
(as shown in Figure 1), but addition type subwoofer and portable loudspeaker box composite set, and it comprises portable loudspeaker box part 10 and can add subwoofer part 20.
This portable loudspeaker box part 10 and this can add between the subwoofer part 20 and can be in separate state and connection status.
When this portable loudspeaker box part 10 and this can add subwoofer part 20 when being in separate state this portable loudspeaker box part 10 can be carried at trip separately by the user or the support of audio amplifier equipment is provided when going out.
When this portable loudspeaker box part 10 and this can add subwoofer part 20 when being in connection status, this portable loudspeaker box part 10 can be added subwoofer part 20 by connecting line and this and is connected, this moment, by this effect that can add the bass part in subwoofer part 20 playing audio signals and promote whole voice playing in conjunction with this portable loudspeaker box part 10 together.
This portable loudspeaker box part 10 comprises power interface 11 and audio input interface 12.
This portable loudspeaker box part 10 also comprises audio frequency adjustment circuit 13, power amplification circuit 14 and audio amplifier 15.
Wherein, this audio amplifier 15 comprises left voice box 151 and right voice box 152.
This portable loudspeaker box part 10 is connected with external power source A by this power interface 11, and needed electric power when providing 10 work of this portable loudspeaker box part by this external power source A.
This portable loudspeaker box part 10 is connected with external audio playback equipment B by this audio input interface 12, and this external audio playback equipment B can be audio-frequence player devices such as MP3, MP4.
This audio frequency is adjusted circuit 13 and is connected on this audio input interface 12, and audio frequency at first transfers to this audio frequency from this audio input interface 12 and adjusts in the circuit 13, adjusts 13 pairs of audio frequency of circuit by this audio frequency and adjusts.
This audio frequency is adjusted circuit 13 and is connected with this power amplification circuit 14, and this audio amplifier 15 is connected on this power amplification circuit 14.
Entering this power amplification circuit 14 through these audio frequency adjustment circuit 13 adjusted audio frequency is outwards play by this audio amplifier 15 at last.
This portable loudspeaker box part 10 also comprises subwoofer interface 16, and this subwoofer interface 16 is the 2.0+0.1 interface.
This can add subwoofer part 20 and comprise volume adjustment circuit 21, low pass filter 22, power amplification circuit 23 and bass horn 24.
This volume is adjusted circuit 21 and is connected with this low pass filter 22, and this low pass filter 22 is connected with this power amplification circuit 23, and last, this power amplification circuit 23 is connected with this bass horn 24.
This can add subwoofer part 20 and also comprise audio interface 26, and this audio interface 26 is corresponding with this subwoofer interface 16 of this portable loudspeaker box part 10.
This audio interface 26 is the 2.0+0.1 interface.
At last, this can add subwoofer part 20 and also comprises external power supply 27.
As mentioned above, the utility model is integrated above factor, learns from other's strong points to offset one's weaknesses.The portable sound box that has the 2.0+0.1 interface, just the same with common portable sound box, still conveniently go out to portably use, and in going back home the time, 2.0+0.1 interface by this machine is connected with special-purpose subwoofer, has just formed 2.1 complete active systems of a cover.Possess abundant bass and good sound quality, family expenses go out to neglect neither.It is a kind of very potential combined acoustics pattern.
In the utility model, the portable sound box part is the same with common portable sound box, charged source interface, and audio input interface, and volume adjustment circuit, power amplification circuit and loudspeaker are independently audio amplifier systems.Different is that this portable sound box has attached " 2.0+0.1 " interface, by this interface, can connect special-purpose subwoofer.And its special-purpose subwoofer part, this subwoofer and common subwoofer are similar substantially, and built-in volume is adjusted circuit, low pass filter, power amplification circuit and bass horn.Its audio input interface and top portable sound box are complementary, and connect by special audio line one line.
The utility model couples together as long as will possess the portable sound box and the subwoofer of " 2.0+0.1 " interface when in use, and the degree that the volume of subwoofer is adjusted to coupling in the volume of portable sound box according to the hobby of oneself gets final product.(mix up coupling and need not all adjust after the volume at every turn, the volume that the volume that changes portable sound box also can the synchronous change subwoofer)

Claims (3)

1. but addition type subwoofer and portable loudspeaker box composite set, it comprises the portable loudspeaker box part and can add the subwoofer part, it is characterized in that: this portable loudspeaker box partly comprises power interface and audio input interface, this portable loudspeaker box part also comprises audio frequency adjustment circuit, power amplification circuit and audio amplifier, this audio frequency is adjusted circuit and is connected on this audio input interface, this audio frequency is adjusted circuit and is connected with this power amplification circuit, and this audio amplifier is connected on this power amplification circuit, this portable loudspeaker box part also comprises the subwoofer interface, this subwoofer interface is the 2.0+0.1 interface
This can add subwoofer and partly comprise volume adjustment circuit, low pass filter, power amplification circuit and bass horn, this volume is adjusted circuit and is connected with this low pass filter, this low pass filter is connected with this power amplification circuit, at last, this power amplification circuit is connected with this bass horn, this can add the subwoofer part and also comprise audio interface, and this audio interface is corresponding with this subwoofer interface of this portable loudspeaker box part.
2. but according to described addition type subwoofer of claim 1 and portable loudspeaker box composite set, it is characterized in that: this audio amplifier comprises left voice box and right voice box.
3. but according to described addition type subwoofer of claim 1 and portable loudspeaker box composite set, it is characterized in that: this can add the subwoofer part and also comprise external power supply.
CN2010201091359U 2010-02-02 2010-02-02 Attachable subwoofer and portable sound box combination device Expired - Fee Related CN201601811U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201091359U CN201601811U (en) 2010-02-02 2010-02-02 Attachable subwoofer and portable sound box combination device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201091359U CN201601811U (en) 2010-02-02 2010-02-02 Attachable subwoofer and portable sound box combination device

Publications (1)

Publication Number Publication Date
CN201601811U true CN201601811U (en) 2010-10-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201091359U Expired - Fee Related CN201601811U (en) 2010-02-02 2010-02-02 Attachable subwoofer and portable sound box combination device

Country Status (1)

Country Link
CN (1) CN201601811U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105677288A (en) * 2015-12-30 2016-06-15 联想(北京)有限公司 System and method for realizing synchronous driving of internal and external audio output devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105677288A (en) * 2015-12-30 2016-06-15 联想(北京)有限公司 System and method for realizing synchronous driving of internal and external audio output devices
CN105677288B (en) * 2015-12-30 2021-08-17 联想(北京)有限公司 System and method for realizing simultaneous driving of internal and external audio output devices

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101006

Termination date: 20140202

C17 Cessation of patent right