CN102238444A

CN102238444A - Loudspeaker box

Info

Publication number: CN102238444A
Application number: CN2010101580256A
Authority: CN
Inventors: 郝菊兰; 蒋斌; 王满中; 李德华
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2010-04-27
Filing date: 2010-04-27
Publication date: 2011-11-09

Abstract

The invention provides a loudspeaker box, comprising a main body for spreading sound waves and a base for holding the main body, wherein the main body can be arranged on the base detachably; the base is used for receiving externally-input sound signals and transmitting processed sound signals to the main body; and the main body is used for converting the sound signals transmitted from the base into sound waves and then spreading the sound waves.

Description

Audio amplifier

Technical field

The present invention relates to a kind of audio amplifier, particularly a kind of detachable audio amplifier.

Background technology

Audio amplifier is used for that audio signal is converted to sonic propagation and goes out.At present, general audio amplifier includes casing and two parts of loud speaker, and casing and loud speaker design for one.Casing also is provided with the assembly that is used for control loudspeaker.In use, if loud speaker damages, when casing and inner other element thereof were still good, the user must change whole audio amplifier and could normally use.Like this, will cause the wasting of resources.

Summary of the invention

In view of this, be necessary to provide a kind of detachable audio amplifier.

A kind of audio amplifier comprises the main body that is used for conduct acoustic waves and is used to place the base of main body.What main body was detachable is arranged on the base.Base be used to receive the audio signal of outside input and audio frequency handled after be transferred to main body.Main body is used for the audio signal that base transmits being converted to sound wave and propagating.

By using above-mentioned audio amplifier, if main body is damaged, only needs that the main body of damaging is pulled down replacing and get final product, can not cause the wasting of resources.

Description of drawings

Fig. 1 is a kind of stereogram of better embodiment audio amplifier.

Fig. 2 is the stereogram of another kind of better embodiment audio amplifier.

Fig. 3 is the exploded view of audio amplifier among Fig. 1.

Fig. 4 is the exploded view of another angle of audio amplifier among Fig. 3.

Fig. 5 be among Fig. 1 audio amplifier along the cutaway view of V-V direction.

The main element symbol description

Audio amplifier 100

Main body 10

Base 20

Procapsid 11

Back casing 12

Loud speaker 15

Phase-reversing tube 16

Fixed part 17

First fixture 172

Second fixture 173

The 3rd fixture 174

Sealing ring 18

Lead 19

Connector 192

Circuit unit 21

Accepting groove 23

First groove 231

Second groove 232

The 3rd groove 235

Opening 234

Joint 213

Communication interface 24

Audio conversion line 25

Embodiment

See also Fig. 1, it is the stereogram of the audio amplifier 100 of a better embodiment.Audio amplifier 100 comprises main body 10 and is used to place the base 20 of main body 10.Wherein, base 20 is used to receive external audio signal and external audio signal is carried out processing and amplifying.Main body 10 is used for the audio signal after handling is converted to sound and output.

Main body 10 integral body are roughly ellipse, and it comprises procapsid 11 and back casing 12.Procapsid 11 fastens with back casing 12 and forms the sound chamber.In the present embodiment, main body 10 roughly is petal-shaped.In other embodiments, main body 10 can also be for other shapes, as sphere, and ellipse etc.As shown in Figure 2, be the audio amplifier 100 of another kind of preferred implementation, its main body 10 is the baseball shape.

See also Fig. 3, procapsid 11 comprises the loud speaker 15 that is arranged at procapsid 11 inside.

Loud speaker 15 is electrically connected with base 20, is used for the audio signal of base 20 is converted into sound wave.A sound wave part blazes abroad from procapsid 11 directions, and a part is propagated from back casing 12 directions.

See also Fig. 4 and Fig. 5, back casing 12 is roughly ellipse.Back casing 12 is provided with several phase-reversing tubes 16, fixed part 17, sealing ring 18, lead 19 and connector 192.

Several phase-reversing tubes 16 are arranged side by side in the corresponding position of back casing 12 and loud speaker 15.Phase-reversing tube 16 is used for and will spends to the sound wave phasing back 180 that back casing 12 directions are propagated, and makes to back casing 12 directions sound wave of propagating and the sound wave homophase of propagating to procapsid 11 directions, and blazes abroad from main body 10.

Fixed part 17 comprises first fixture 172, second fixture 173 and the 3rd fixture 174.First fixture 172, second fixture 173 and the 3rd fixture 174 extend to form to base 20 directions from back casing 12 and base 20 relative bottoms, and it is roughly the identical hollow circular cylinder shape of diameter.First fixture 172, second fixture 173 and the 3rd fixture 174 form a triangle.The height of first fixture 172 and second fixture 173 can be identical with diameter.The 3rd fixture 174 is arranged on first fixture 172 and second fixture, the 173 line perpendicular bisector directions, and near procapsid 11.First fixture 172 is identical with the height of second fixture 173, and is higher than the height of the 3rd fixture 174.

Sealing ring 18 is arranged at first fixture 172, second fixture 173 and the 3rd fixture 174 leg-of-mutton center of line formation in turn.Sealing ring 18 parts are arranged in the back casing 12, and another part exposes by back casing 12, and it is used to prevent gas leakage between main body 10 and the base 20.

Lead 19 1 ends are electrically connected with loud speaker 15 by sealing ring 18, are used for transmit audio signals and give loud speaker 15, and the other end exposes to main body 10 and is electrically connected with connector 192.

Connector 192 is electrically connected with base 20, is used to receive the audio signal of base 20 generations and sends loud speaker 15 to by lead 19.

Base 20 comprises circuit unit 21, accepting groove 23 and audio conversion line 25.Circuit unit 21 is used for the outside is inputed to the audio signal of audio amplifier 100 and carries out technical finesses such as signal amplification, power amplification, frequency division, and the audio signal after will handling sends loud speaker 15 to.Circuit unit 21 is provided with and circuit unit 21 electric connecting joints 213.Joint 213 and connector 192 fixing and electric connections are to receive the audio signal after circuit unit 21 is handled.

Accepting groove 23 comprises first groove 231, second groove 232, the 3rd groove 235 and opening 234.First groove 231, second groove 232, the 3rd groove 235 and opening 234 respectively with first fixture 172, second fixture 173, the 3rd fixture 174 and sealing ring 18 corresponding settings.First groove 231, second groove 232 and the 3rd groove 235 are respectively applied for fixedly accommodates first fixture 172, second fixture 173 and the 3rd fixture 174, so that main body 10 is fixed on the base 20 by fixing first fixture 172, second fixture 173 and the 3rd fixture 174.The diameter of first groove 231, second groove 232 and the 3rd groove 235 diameter with first fixture 172, second fixture 173, the 3rd fixture 174 respectively is suitable, so that main body 10 can combine by the mode of interference fit with base 20.In the sealing ring 18 that opening 234 will expose to main body 10 is contained in, and connector 192 is passed in it and is electrically connected with joint 213.

In other embodiments, accepting groove 23 can be arranged on the relative bottom of back casing 12 and base 20, and fixed part 17 and accepting groove 23 corresponding being arranged on the base 20.

Audio conversion line 25 is arranged on the relative side of base 20 and back casing 12, and is electrically connected with circuit unit 21.Audio conversion line 25 can be used for electrically connecting with external audio playback equipment (figure does not show), and sends the audio signal of external audio playback equipment to circuit unit 21.

Main body 10 detachably is fixed in first groove 231, second groove 232 and the 3rd groove 235 on the base 20 by first fixture 172, second fixture 173 and the 3rd fixture 174.Because the height of the 3rd fixture 174, makes main body 10 and base 20 angled settings less than the height of first fixture 172 and second fixture 173.Be appreciated that ground, main body 10 is not limited to realize detachable combining by fixed part with the form of accepting groove 23 interference fit with base 20, for example, is threaded and waits other suitable manner also to be suitable for.

In other embodiments, also be provided with communication interface 24, for example USB interface on the base 20.Audio amplifier 100 can electrically connect by audio signal conversion line (figure does not show) and external audio playback equipment (figure does not show), thereby receives the audio signal of external audio playback equipment.That is, this audio signal conversion line one end can be pegged graft with communication interface 24, and the other end can be pegged graft with the audio interface on the audio-frequence player device.

Those skilled in the art will be appreciated that; above execution mode only is to be used for illustrating the present invention; and be not to be used as limitation of the invention; as long as within connotation scope of the present invention, appropriate change and the variation that above embodiment did all dropped within the scope of protection of present invention.

Claims

1. audio amplifier is characterized in that: this audio amplifier comprises the main body that is used for conduct acoustic waves and is used to place the base of this main body that what this main body was detachable is arranged on this base; This base be used to receive the audio signal of outside input and this audio frequency handled after be transferred to this main body; This main body is used for the audio signal that this base transmits being converted to sound wave and propagating.

2. audio amplifier as claimed in claim 1 is characterized in that: this main body comprises the loud speaker that is used for audio signal is converted to sound wave and propagation; This loud speaker and this base electrically connect, and audio signal is transferred to this loud speaker from this base.

3. audio amplifier as claimed in claim 2, it is characterized in that: this audio amplifier also comprises fixed part and accepting groove, this fixed part is convexly set on this main body and this base one in the two, this accepting groove correspondingly is arranged on this main body and this base another person in the two, this fixed part is incorporated in this accepting groove separably, so that this main body detachably is arranged on this base.

4. audio amplifier as claimed in claim 3 is characterized in that: this fixed part comprises first fixture, second fixture and the 3rd fixture; This accepting groove comprises first corresponding with this first fixture, second fixture and the 3rd fixture respectively groove, second groove and the 3rd groove; This first fixture, second fixture and the 3rd fixture fixture compartment of terrain are convexly set in this main body and this base one in the two and go up and be a triangular shape; This first fixture, second fixture and the 3rd fixture detachably are arranged at respectively in this first groove, second groove and the 3rd groove.

5. audio amplifier as claimed in claim 4 is characterized in that: this first fixture, second fixture and the 3rd fixture are the cylindrical shape of hollow; This first fixture is identical with the second fixture height, and is higher than the height of the 3rd fixture.

6. audio amplifier as claimed in claim 2 is characterized in that: be provided with the circuit unit and the opening that are used for audio signal in this base; This circuit unit and this loud speaker electrically connect.

7. audio amplifier as claimed in claim 1 is characterized in that: this base also is provided with communication interface, is used for carrying out the signal transmission with external equipment.

8. audio amplifier as claimed in claim 6 is characterized in that: this audio amplifier also comprises a connector; This connector is used for this loud speaker and this circuit unit are electrically connected separably.

9. audio amplifier as claimed in claim 8 is characterized in that: this connector is connected with described loud speaker by a lead, and described circuit unit is provided with the joint that cooperates with this connector.

10. audio amplifier as claimed in claim 9 is characterized in that: this main body also comprises sealing ring, and this lead passes the sealing circle and this loud speaker electrically connects; The sealing circle is arranged at this main body bottom relative with this base, is used to prevent leak gas between this main body and this base.