CN104105025B - The active speaker horn structure and audio amplifier integrated with passive radiator - Google Patents
The active speaker horn structure and audio amplifier integrated with passive radiator Download PDFInfo
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- CN104105025B CN104105025B CN201410313157.XA CN201410313157A CN104105025B CN 104105025 B CN104105025 B CN 104105025B CN 201410313157 A CN201410313157 A CN 201410313157A CN 104105025 B CN104105025 B CN 104105025B
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Abstract
The present invention provides a kind of active speaker the horn structure and audio amplifier integrated with passive radiator, it includes active medium and low spectrum loudspeaker, medium and low spectrum loudspeaker fixture and passive radiator Flexible Connector, and wherein active medium and low spectrum loudspeaker includes active high pitch loudspeaker and middle bass vibrating diaphragm.The active speaker of the invention horn structure and audio amplifier integrated with passive radiator, by setting active medium and low spectrum loudspeaker, active high pitch loudspeaker and passive radiator perfectly to cover high, normal, basic full frequency band sound, and low manufacture cost；Solves the poor technical problem of the tonequality of the band segment of existing horn structure.
Description
Technical field
The present invention relates to loudspeaker production field, more specifically to a kind of active speaker and passive radiator one
The horn structure and audio amplifier of body.
Background technology
In traditional loudspeaker design production, loudspeaker designs with certain low frequency characteristic but in order to raise in itself
Sound device has more preferable bass effect after loading audio amplifier, can typically design corresponding bass radiation disk on a speaker.
As shown in figure 1, Fig. 1 is the structural representation of the passive radiator of prior art.The passive radiator passes through actively
The integrated design of loudspeaker and passive radiator, the space-consuming of passive radiator is saved, and then improve the outward appearance of audio amplifier
Aesthetic feeling, the concrete operating principle of the passive radiator can be found in the utility model patent of Application No. 201220363220.7.
Passive radiator and the audio amplifier of above-mentioned embedded active speaker in use, the medium-high frequency section of active speaker and
The frequency range of the low-frequency range of passive radiator is narrower, is not well positioned to meet the requirement of people's centering height full frequency band, sometimes
It is poor (can not perfectly cover high band) to there is the tonequality of treble portion, it sometimes appear that the tonequality of middle pitch part is poor (no
Mid Frequency can perfectly be covered).
Therefore, it is necessary to provide a kind of active speaker the horn structure and audio amplifier integrated with passive radiator, to solve
The problems of prior art.
The content of the invention
The present invention provides a kind of low manufacture cost, at the same can perfectly cover again the active speaker of high, normal, basic full frequency band with
The horn structure and audio amplifier of passive radiator integration；To solve the poor skill of the tonequality of the band segment of existing horn structure
Art problem.
The technical solution adopted for the present invention to solve the technical problems is：
The present invention provides a kind of active speaker the horn structure integrated with passive radiator, and it includes：
Active medium and low spectrum loudspeaker；Including：
Active high pitch loudspeaker, it is arranged on the top middle portion of the active medium and low spectrum loudspeaker；And
Middle bass vibrating diaphragm, the surrounding of the active high pitch loudspeaker is arranged on, for sending middle bass；
Medium and low spectrum loudspeaker fixture, it is arranged on the apical lateral of the active medium and low spectrum loudspeaker；And
Passive radiator Flexible Connector, for active medium and low spectrum loudspeaker described in elastic connection and corresponding audio amplifier.
In the active speaker of the present invention horn structure integrated with passive radiator, the vibrating diaphragm with it is described
The one of passive radiator Flexible Connector integrated design, the middle bass vibrating diaphragm and the passive radiator Flexible Connector
End is bonded on the medium and low spectrum loudspeaker fixture.
In the active speaker of the present invention horn structure integrated with passive radiator, bass in the active
Loudspeaker also includes：
Middle bass magnet, for bass line in generation, to produce constant magnetic field in middle bass magnetic air gap；
Middle bass coil, it is arranged on the middle bass magnet, used in by cutting in the middle bass magnetic air gap
Bass line, tone currents change is converted into up-down vibration, is connected with the middle bass vibrating diaphragm；
Middle bass bullet ripple, for the position of middle bass coil described in flexible fastening, to avoid colliding with miscellaneous part；
Middle bass York, while for forming magnetic pole, the middle bass line of the middle bass magnet is oriented to described in
In middle bass magnetic air gap；
Middle bass support, for connecting the middle bass York and the medium and low spectrum loudspeaker fixture；And
Middle bass magnetic conductive board, while for forming magnetic pole, the middle bass line of the middle bass magnet is oriented to institute
State in bass magnetic air gap.
In the active speaker of the present invention horn structure integrated with passive radiator, the active high pitch is raised
Sound device includes：
Tweeters diaphragmses, the top of the active high pitch loudspeaker is arranged on, for sending high pitched signal；
High pitch magnet, it is arranged on the high pitch magnetic conductive board, for producing the high pitch magnetic line of force, to be produced in high pitch magnetic air gap
Raw constant magnetic field；
High pitch voice coil loudspeaker voice coil, it is arranged on the high pitch magnet, for by cutting the high pitch magnetic force in the high pitch magnetic air gap
Line, tone currents change is converted into up-down vibration, is connected with the tweeters diaphragmses；And
High pitch magnetic conductive board, while for forming magnetic pole, the high pitch magnetic line of force of the high pitch magnet is oriented to the high pitch
In magnetic air gap；
Wherein described tweeters diaphragmses are connected by high pitch fixture with the middle bass coil.
In the active speaker of the present invention horn structure integrated with passive radiator, the horn structure is also
Including the dividing network being connected respectively with the high pitch voice coil loudspeaker voice coil and the middle bass coil.
In the active speaker of the present invention horn structure integrated with passive radiator, the dividing network bag
Include,
Trebling circuit, it is connected with the high pitch voice coil loudspeaker voice coil, for making the high pitch voice coil loudspeaker voice coil produce dither, the high frequency vibrating
Dynamic frequency range is 2000Hz to 20000Hz；And
Middle bass circuit, it is connected with the middle bass coil, for making low-frequency vibration during the middle bass coil produces, institute
The frequency range for stating middle low-frequency vibration is 200Hz to 2000Hz.
In the active speaker of the present invention horn structure integrated with passive radiator, bass in the active
Loudspeaker and the medium and low spectrum loudspeaker fixture form passive radiator, and the frequency range of the passive radiator vibration is
80Hz to 200Hz.
The present invention also provides a kind of audio amplifier, and it includes：
Shell, it is provided with a breach；And
The active speaker horn structure integrated with passive radiator, including：
Active medium and low spectrum loudspeaker；Including：
Active high pitch loudspeaker, it is arranged on the top middle portion of the active medium and low spectrum loudspeaker；And
Middle bass vibrating diaphragm, the surrounding of the active high pitch loudspeaker is arranged on, for sending middle bass；
Medium and low spectrum loudspeaker fixture, it is arranged on the apical lateral of the active medium and low spectrum loudspeaker；And
Passive radiator Flexible Connector, for active medium and low spectrum loudspeaker described in elastic connection and the breach；
Wherein described vibrating diaphragm and the passive radiator Flexible Connector integrated design, the middle bass vibrating diaphragm and institute
The one end for stating passive radiator Flexible Connector is bonded on the medium and low spectrum loudspeaker fixture.
In audio amplifier of the present invention, the horn structure also includes：
Elastic supporting member for supporting optical member, for flexibly supporting the bottom of the active medium and low spectrum loudspeaker；The elastic supporting member for supporting optical member difference
It is connected with the bottom of the active medium and low spectrum loudspeaker and the inner side of the shell.
In audio amplifier of the present invention, on the inside of the shell on be additionally provided with for being positioned to the elastic supporting member for supporting optical member
Locating piece.
The active speaker of the invention horn structure and audio amplifier integrated with passive radiator are low in active by setting
Sound loudspeaker, active high pitch loudspeaker and passive radiator perfectly cover high, normal, basic full frequency band sound, and cost of manufacture
It is low；Solves the poor technical problem of the tonequality of the band segment of existing horn structure.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of the passive radiator of prior art；
Fig. 2 is the structure of the preferred embodiment of the active speaker of the present invention horn structure integrated with passive radiator
Schematic diagram；
Fig. 3 is that the structure of the dividing network of the active speaker of the present invention horn structure integrated with passive radiator is shown
It is intended to；
Fig. 4 is the frequency dividing schematic diagram of the active speaker of the present invention horn structure integrated with passive radiator；
Fig. 5 is the structural representation of the preferred embodiment of the audio amplifier of the present invention；
Wherein, description of reference numerals is as follows：
20th, horn structure；
21st, active medium and low spectrum loudspeaker；
211st, middle bass vibrating diaphragm；
212nd, middle bass magnet；
213rd, middle bass coil；
214th, middle bass bullet ripple；
215th, middle bass York；
216th, middle bass support；
217th, middle bass magnetic conductive board；
22nd, medium and low spectrum loudspeaker fixture；
23rd, passive radiator Flexible Connector；
24th, active high pitch loudspeaker；
241st, tweeters diaphragmses；
242nd, high pitch magnet；
243rd, high pitch voice coil loudspeaker voice coil；
244th, high pitch magnetic conductive board；
245th, high pitch fixture；
25th, passive radiator fixture；
26th, dividing network；
261st, trebling circuit；
262nd, middle bass circuit；
50th, audio amplifier；
51st, shell；
511st, breach；
512nd, locating piece；
52nd, horn structure；
521st, active medium and low spectrum loudspeaker；
522nd, medium and low spectrum loudspeaker fixture；
523rd, passive radiator Flexible Connector；
524th, active high pitch loudspeaker；
525th, elastic supporting member for supporting optical member.
Embodiment
With reference to diagram, the preferred embodiments of the present invention are described in detail.
Fig. 2 is refer to, Fig. 2 is the preferred reality of the active speaker of the present invention horn structure integrated with passive radiator
Apply the structural representation of example.The horn structure 20 include active medium and low spectrum loudspeaker 21, medium and low spectrum loudspeaker fixture 22 and
Passive radiator Flexible Connector 23.The top middle portion of wherein active medium and low spectrum loudspeaker 21 is provided with active high pitch loudspeaker
24, the surrounding of active medium and low spectrum loudspeaker 21 is provided with middle bass vibrating diaphragm 211.Medium and low spectrum loudspeaker fixture 22 is arranged on actively
The apical lateral of medium and low spectrum loudspeaker 21, passive radiator Flexible Connector 23 are used for elastic connection active medium and low spectrum loudspeaker 21
And corresponding audio amplifier.The passive radiator that so active medium and low spectrum loudspeaker 21 and medium and low spectrum loudspeaker fixture 22 are formed can
For generating bass signal, active medium and low spectrum loudspeaker 21 can be used for bass signal (or midrange signals) in generation, active high pitch
Loudspeaker 24 can be used for generating high pitched signal.
Wherein active medium and low spectrum loudspeaker 21 also includes middle bass magnet 212, middle bass coil 213, middle bass bullet ripple
214th, middle bass York 215, middle bass support 216 and middle bass magnetic conductive board 217.Middle bass magnet 212 is used for low in producing
The sound magnetic line of force, to produce constant magnetic field in middle bass magnetic air gap；Middle bass coil 213 is arranged on middle bass magnet 212, is used
Middle bass line in by cutting in bass magnetic air gap, tone currents change is converted into up-down vibration, with middle bass
Vibrating diaphragm 211 connects；Middle bass bullet ripple 214 is used for the position of bass coil 213 in flexible fastening, to avoid touching with miscellaneous part
Hit；While middle bass York 215 is used to form magnetic pole, bass magnetic during the middle bass line of middle bass magnet 212 is oriented to
In air gap；Middle bass support 216 is used for bass York 215 and medium and low spectrum loudspeaker fixture 22 in connecting；Middle bass magnetic conductive board
217 are used for while form magnetic pole, during the middle bass line of middle bass magnet 212 is oriented in bass magnetic air gap.
Wherein active high pitch loudspeaker 24 is led including tweeters diaphragmses 241, high pitch magnet 242, high pitch voice coil loudspeaker voice coil 243 and high pitch
Magnetic sheet 244.Tweeters diaphragmses 241 are arranged on the top of active high pitch loudspeaker 24, for sending high pitch；High pitch magnet 242 is set
On the high pitch magnetic conductive board 217, for producing the high pitch magnetic line of force, to produce constant magnetic field in high pitch magnetic air gap；High pitch sound
Circle 243 is set on high pitch magnet 242, for by cutting the high pitch magnetic line of force in high pitch magnetic air gap, tone currents change to be turned
It is changed to up-down vibration；It is connected with tweeters diaphragmses 241；While high pitch magnetic conductive board 244 is used to form magnetic pole, by high pitch magnet 242
The high pitch magnetic line of force be oriented to high pitch magnetic air gap in.Tweeters diaphragmses 241 are connected by high pitch fixture 245 with middle bass coil 213.
In the active speaker of the present invention horn structure 20 integrated with passive radiator, active medium and low spectrum loudspeaker
21 mainly send the sound of middle low frequency by electroacoustic conversion, and its shape is essentially a circle, and a diameter of 30 millimeters of the circle are extremely
50 millimeters, the cross sectional shape of certain active medium and low spectrum loudspeaker 21 can also be square, rectangle or ellipse.Middle bass is raised
Sound device fixture 22 is fixed on the apical lateral of active medium and low spectrum loudspeaker 21, bass loudspeaker in this by the connected mode such as be spirally connected
Device fixture 22 is generally metal fixing or plastic mount, and thickness is also thicker, generally 2 millimeters to 6 millimeters, so has
The passive radiator that the active medium and low spectrum loudspeaker 21 and medium and low spectrum loudspeaker fixture 22 of constant weight are formed forms low frequency and shaken
Counterweight when dynamic, and the counterweight can be adjusted by adjusting the weight of medium and low spectrum loudspeaker fixture 22, bass is raised in this
The profile of sound device fixture 22 can be square, rectangle, circle or ellipse as above-mentioned active medium and low spectrum loudspeaker 21
(profile here refers to the shape for the closed figures that the lines of the outermost of medium and low spectrum loudspeaker fixture 22 are formed, the shape to shape
Shape is typically consistent with the cross sectional shape of active medium and low spectrum loudspeaker 21).
The vibration of passive radiator is realized simultaneously, will also be by passive radiator Flexible Connector 23 by middle bass loudspeaker
Device fixture 22 and audio amplifier elastic connection are got up, and the passive radiator Flexible Connector 23 can be caoutchouc elasticity connector, foam
Elasticity of plastics connector or plastic resilient connector, the thickness of the passive radiator Flexible Connector 23 should be relatively thin, and generally 0.3
Millimeter, and can be by changing the material and size adjusting passive radiator of passive radiator Flexible Connector 23 to 0.6 millimeter
Amplitude and frequency, the profile of the passive radiator Flexible Connector 23 can as above-mentioned active medium and low spectrum loudspeaker 21
For square, rectangle, circle or ellipse.
In order to realize the stable vibration of passive radiator, horn structure 20 of the invention also includes the quilt being arranged on audio amplifier
Dynamic radiator fixture 25, passive radiator fixture 25 are used to ensure that one end of passive radiator Flexible Connector 23 is reliable
It is fixed on audio amplifier, the profile of the passive radiator fixture 25 can be pros as above-mentioned active medium and low spectrum loudspeaker 21
Shape, rectangle, circle or ellipse.Certainly passive radiator fixture 25 can also be not provided with here, but passive radiator
Flexible Connector 23 is directly connected with audio amplifier.
Amplitude when integrally carrying out low-frequency vibration due to passive radiator may be larger, therefore middle bass vibrating diaphragm 211 need to be with
Medium and low spectrum loudspeaker fixture 22 is brought into close contact connection.Bass vibrating diaphragm 211 can be elastic caoutchouc, flexible foam or bullet in this
Property plastic cement, thickness of bass vibrating diaphragm 211 should be relatively thin in this, generally 0.3 millimeter to 0.6 millimeter, the wheel of bass vibrating diaphragm 211 in this
Wide can be square, rectangle, circle or ellipse as above-mentioned active medium and low spectrum loudspeaker 21.
Active high pitch loudspeaker 24 mainly sends the sound of high frequency by electroacoustic conversion, and its shape is essentially a circular (base
This is identical with active medium and low spectrum loudspeaker), a diameter of 10 millimeters to 15 millimeters of the circle, certain active high pitch loudspeaker 24
Cross sectional shape can also be square, rectangle or ellipse.Tweeters diaphragmses 241 and the high pitch of active high pitch loudspeaker 24 are fixed
Part 245 is brought into close contact connection, i.e., keeps apart tweeters diaphragmses 241 and middle bass vibrating diaphragm 211 by high pitch fixture 245, avoid
High pitch and middle bass influence each other.The profile of the high pitch fixture 245 can be as above-mentioned active high pitch loudspeaker 24
(profile here refers to that what the lines of the outermost of high pitch fixture 245 were formed closes for square, rectangle, circle or ellipse
The shape of figure is closed, the shape is typically consistent with the cross sectional shape of active high pitch loudspeaker 24).
The tweeters diaphragmses 241 can be elastic caoutchouc, flexible foam or Elastic plastic-rubber, the thickness of the tweeters diaphragmses 241
Should be relatively thin, generally 0.3 millimeter to 0.6 millimeter, the profile of the tweeters diaphragmses 241 is as above-mentioned active high pitch loudspeaker 24
Can be square, rectangle, circle or ellipse.
Preferably, middle bass vibrating diaphragm 211 and the integrated design of passive radiator Flexible Connector 23, then set integration
The middle bass vibrating diaphragm 211 of meter is bonded on medium and low spectrum loudspeaker fixture 22 with passive radiator Flexible Connector 23, that is, is being made
Middle bass vibrating diaphragm 211 and passive radiator Flexible Connector 23 are subjected to integrated making when making horn structure 20, so can be with
The compatibility of bass vibrating diaphragm 211 and passive radiator Flexible Connector 23 in guarantee, the bass effect of audio amplifier is lifted, simultaneously because
Middle bass vibrating diaphragm 211 is integrally formed with passive radiator Flexible Connector 23, can save the cost of manufacture of audio amplifier.
Preferably, horn structure 20 of the invention also includes dividing network 26, and the dividing network 26 includes trebling circuit 261
And middle bass circuit 262.The trebling circuit 261 is connected with high pitch voice coil loudspeaker voice coil 243, for making high pitch voice coil loudspeaker voice coil 243 produce high frequency vibrating
Dynamic, the frequency range of the dither is 2000Hz to 20000Hz；Bass circuit 262 is connected with middle bass coil 213 in this,
For making low-frequency vibration during middle bass coil 213 produces, frequency range of low-frequency vibration is 200Hz to 2000Hz in this.Simultaneously
The frequency range for the passive radiator vibration that active medium and low spectrum loudspeaker 21 and medium and low spectrum loudspeaker fixture 22 are formed is
80Hz to 200Hz.Therefore the horn structure 20 of the present invention can preferably cover 80Hz to 20000Hz high, normal, basic full frequency band sound
Sound.
Fig. 3 is refer to, Fig. 3 is the frequency dividing net of the active speaker of the present invention horn structure integrated with passive radiator
The structural representation of network.Wherein trebling circuit 261 includes high pass electric capacity C2, high pass electric capacity C3, piezo-resistance R2 and low pass electricity
Feel L3.Wherein high pass electric capacity C2 and high pass electric capacity C3 can be very good to input high-frequency signal to high pitch voice coil loudspeaker voice coil 243, while low pass
Inductance L3 can be very good to be filtered low frequency signal, and piezo-resistance R2 is according to the voltage swing of high-frequency signal to trebling circuit
261 are protected.
Middle bass circuit 262 includes high pass electric capacity C1, low pass inductance L3 and valley point and eliminates circuit, and high pass electric capacity C1 can be with
High-frequency signal is filtered well, low pass inductance L3 can be very good to input middle low frequency signal to middle bass coil 213.
Wherein valley point, which eliminates circuit, includes resistance R1, inductance L1 and electric capacity C4, wherein electric capacity C4 and inductance L1 series connection, electric capacity C4 and electricity
Feel L1, at the same it is in parallel with resistance R1, and valley point elimination circuit can effectively eliminate the trough in middle low frequency signal, centering low frequency letter
It number can play lift paddy shaping operation well so that the sound that active medium and low spectrum loudspeaker 21 is sent is more stable.
Fig. 4 is refer to, Fig. 4 is the frequency dividing electricity of the active speaker of the present invention horn structure integrated with passive radiator
Lu Tu.Abscissa in figure is sound horn frequency (Hz), and ordinate is acoustic pressure decibel (dBSPL).Wherein lines A is passive spoke
The audible frequency curve of emitter, lines B are the audible frequency curve of active medium and low spectrum loudspeaker 21, and lines C is that active high pitch is raised
The audible frequency curve of sound device 24, lines D are the audible frequency curve of the horn structure 20 (i.e. by lines A, lines B and line
Bar C is synthesized).Horn structure 20 of the invention can preferably cover the high, normal, basic of 80Hz to 20000Hz as seen from the figure
Full frequency band sound.
The present invention also provides a kind of audio amplifier, refer to Fig. 5, and Fig. 5 is that the structure of the preferred embodiment of the audio amplifier of the present invention is shown
It is intended to.The audio amplifier 50 includes shell 51 and the active speaker horn structure 52 integrated with passive radiator, the shell 51
It is provided with a breach 511.The horn structure 52 include active medium and low spectrum loudspeaker 521, medium and low spectrum loudspeaker fixture 522 and
Passive radiator Flexible Connector 523.The top middle portion of wherein active medium and low spectrum loudspeaker 521 is provided with active high pitch loudspeaker
524, the surrounding of active medium and low spectrum loudspeaker 521 is provided with middle bass vibrating diaphragm.Medium and low spectrum loudspeaker fixture 522 is arranged on actively
The apical lateral of medium and low spectrum loudspeaker 521, passive radiator Flexible Connector 523 are used for elastic connection active medium and low spectrum loudspeaker
521 and breach 511.The passive radiator that so active medium and low spectrum loudspeaker 521 and medium and low spectrum loudspeaker fixture 522 are formed
Available for bass signal is generated, active medium and low spectrum loudspeaker 521 can be used for bass signal (or midrange signals) in generation, actively high
Sound loudspeaker 524 can be used for generating high pitched signal.Middle bass vibrating diaphragm and the integrated design of passive radiator Flexible Connector 523,
One end of middle bass vibrating diaphragm and passive radiator Flexible Connector 523 is bonded on medium and low spectrum loudspeaker fixture 522.
The embodiment and other beneficial effects of the audio amplifier of the present invention, the preferred embodiment with above-mentioned horn structure
Described in it is same or similar, specifically refer to the associated description in the preferred embodiment of above-mentioned horn structure.
Preferably, elastic supporting member for supporting optical member 525, elasticity branch are also included in the horn structure 52 of the audio amplifier 50 of this preferred embodiment
Support member 525 is used to flexibly support the bottom of active medium and low spectrum loudspeaker 521, its bottom with active medium and low spectrum loudspeaker 521 respectively
End is connected with the bottom inside of audio amplifier 50, and because the weight of active medium and low spectrum loudspeaker 521 may be heavier, and bass is raised in connecting
The passive radiator Flexible Connector 523 of sound device fixture 522 and breach 511 requires relatively thin again, it is thus possible to which it is passive to cause
The elasticity deficiency of radiator Flexible Connector 523, and then influence the performance that passive radiator sends low-frequency sound.Elastic supporting member for supporting optical member
525 further enhancing the controllability of the passive vibration (low-frequency range vibration) of passive radiator, such as passive radiator elasticity even
The elasticity deficiency of fitting 523, then can increase the support performance of elastic supporting member for supporting optical member 525 to strengthen passive radiator Flexible Connector
523 elasticity；It is elastic excessive such as passive radiator Flexible Connector 523, then the branch of elastic supporting member for supporting optical member 525 can be reduced accordingly
Performance is supportted to weaken the elasticity of passive radiator Flexible Connector 523.The material of the elastic supporting member for supporting optical member 525 can be cotton, prevent
Fiery cloth or silk etc..Certainly the elasticity such as passive radiator Flexible Connector 523 is enough the work(for realizing corresponding passive radiator
Can, it can also be not provided with elastic supporting member for supporting optical member 525.
Preferably, the inner side of shell 51 of audio amplifier 50 is additionally provided with the locating piece 512 for being positioned to elastic supporting member for supporting optical member 525,
It will not be subjected to displacement, avoided due to reasons such as the vibrations of audio amplifier 50 by the setting elastic supporting member for supporting optical member 525 of locating piece 512
Influence to the support effect of horn structure 52.
The active speaker of the invention horn structure and audio amplifier integrated with passive radiator are low in active by setting
Sound loudspeaker, active high pitch loudspeaker and passive radiator perfectly cover high, normal, basic full frequency band sound, and cost of manufacture
It is low；Solves the poor technical problem of the tonequality of the band segment of existing horn structure.
The foregoing is only the preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Any modification, equivalent substitution or improvement made in principle etc., should be included within the scope of the present invention.
Claims (5)
- A kind of 1. active speaker horn structure integrated with passive radiator, it is characterised in that including：Active medium and low spectrum loudspeaker；Including：Active high pitch loudspeaker, it is arranged on the top middle portion of the active medium and low spectrum loudspeaker；AndMiddle bass vibrating diaphragm, the surrounding of the active high pitch loudspeaker is arranged on, for sending middle bass；Medium and low spectrum loudspeaker fixture, it is arranged on the apical lateral of the active medium and low spectrum loudspeaker；AndPassive radiator Flexible Connector, for active medium and low spectrum loudspeaker described in elastic connection and corresponding audio amplifier；Wherein described middle bass vibrating diaphragm and the passive radiator Flexible Connector integrated design, the middle bass vibrating diaphragm and One end of the passive radiator Flexible Connector is bonded on the medium and low spectrum loudspeaker fixture；The active medium and low spectrum loudspeaker also includes：Middle bass magnet, for bass line in generation, to produce constant magnetic field in middle bass magnetic air gap；Middle bass coil, it is arranged on the middle bass magnet, for by cutting the middle bass in the middle bass magnetic air gap The magnetic line of force, tone currents change is converted into up-down vibration, is connected with the middle bass vibrating diaphragm；Middle bass bullet ripple, for the position of middle bass coil described in flexible fastening, to avoid colliding with miscellaneous part；Middle bass York, while for forming magnetic pole, by the middle bass line of the middle bass magnet be oriented to it is described in it is low In sound magnetic air gap；Middle bass support, for connecting the middle bass York and the medium and low spectrum loudspeaker fixture；AndMiddle bass magnetic conductive board, while for forming magnetic pole, by the middle bass line of the middle bass magnet be oriented to it is described in In bass magnetic air gap；The active high pitch loudspeaker includes：Tweeters diaphragmses, the top of the active high pitch loudspeaker is arranged on, for sending high pitched signal；High pitch magnet, it is arranged on high pitch magnetic conductive board, for producing the high pitch magnetic line of force, to produce permanent steady magnetic in high pitch magnetic air gap ；High pitch voice coil loudspeaker voice coil, it is arranged on the high pitch magnet, for by cutting the high pitch magnetic line of force in the high pitch magnetic air gap, inciting somebody to action Tone currents change is converted to up-down vibration, is connected with the tweeters diaphragmses；AndHigh pitch magnetic conductive board, while for forming magnetic pole, the high pitch magnetic line of force of the high pitch magnet is oriented to the high pitch magnetism In gap；Wherein described tweeters diaphragmses are connected by high pitch fixture with the middle bass coil；The horn structure also includes the dividing network being connected respectively with the high pitch voice coil loudspeaker voice coil and the middle bass coil；The dividing network includes,Trebling circuit, it is connected with the high pitch voice coil loudspeaker voice coil, for making the high pitch voice coil loudspeaker voice coil produce dither, the dither Frequency range is 2000Hz to 20000Hz；AndMiddle bass circuit, it is connected with the middle bass coil, for making low-frequency vibration during the middle bass coil produces, in described The frequency range of low-frequency vibration is 200Hz to 2000Hz；The trebling circuit includes high pass electric capacity C2, high pass electric capacity C3, piezo-resistance R2 and low pass inductance L3；The middle bass Circuit includes high pass electric capacity C1, low pass inductance L3 and valley point eliminates circuit；The valley point, which eliminates circuit, includes resistance R1, inductance L1 and electric capacity C4, wherein electric capacity C4 and inductance L1 connect, electric capacity C4 and inductance L1, while in parallel with resistance R1.
- 2. the active speaker according to claim 1 horn structure integrated with passive radiator, it is characterised in thatThe active medium and low spectrum loudspeaker and the medium and low spectrum loudspeaker fixture form passive radiator, the passive radiation The frequency range of device vibration is 80Hz to 200Hz.
- A kind of 3. audio amplifier, it is characterised in that including：Shell, it is provided with a breach；AndThe active speaker horn structure integrated with passive radiator, including：Active medium and low spectrum loudspeaker；Including：Active high pitch loudspeaker, it is arranged on the top middle portion of the active medium and low spectrum loudspeaker；AndMiddle bass vibrating diaphragm, the surrounding of the active high pitch loudspeaker is arranged on, for sending middle bass；Medium and low spectrum loudspeaker fixture, it is arranged on the apical lateral of the active medium and low spectrum loudspeaker；AndPassive radiator Flexible Connector, for active medium and low spectrum loudspeaker described in elastic connection and the breach；Wherein described middle bass vibrating diaphragm and the passive radiator Flexible Connector integrated design, the middle bass vibrating diaphragm and One end of the passive radiator Flexible Connector is bonded on the medium and low spectrum loudspeaker fixture；The active medium and low spectrum loudspeaker also includes：Middle bass magnet, for bass line in generation, to produce constant magnetic field in middle bass magnetic air gap；Middle bass coil, it is arranged on the middle bass magnet, for by cutting the middle bass in the middle bass magnetic air gap The magnetic line of force, tone currents change is converted into up-down vibration, is connected with the middle bass vibrating diaphragm；Middle bass bullet ripple, for the position of middle bass coil described in flexible fastening, to avoid colliding with miscellaneous part；Middle bass York, while for forming magnetic pole, by the middle bass line of the middle bass magnet be oriented to it is described in it is low In sound magnetic air gap；Middle bass support, for connecting the middle bass York and the medium and low spectrum loudspeaker fixture；AndMiddle bass magnetic conductive board, while for forming magnetic pole, by the middle bass line of the middle bass magnet be oriented to it is described in In bass magnetic air gap；The active high pitch loudspeaker includes：Tweeters diaphragmses, the top of the active high pitch loudspeaker is arranged on, for sending high pitched signal；High pitch magnet, it is arranged on high pitch magnetic conductive board, for producing the high pitch magnetic line of force, to produce permanent steady magnetic in high pitch magnetic air gap ；High pitch voice coil loudspeaker voice coil, it is arranged on the high pitch magnet, for by cutting the high pitch magnetic line of force in the high pitch magnetic air gap, inciting somebody to action Tone currents change is converted to up-down vibration, is connected with the tweeters diaphragmses；AndHigh pitch magnetic conductive board, while for forming magnetic pole, the high pitch magnetic line of force of the high pitch magnet is oriented to the high pitch magnetism In gap；Wherein described tweeters diaphragmses are connected by high pitch fixture with the middle bass coil；The horn structure also includes the dividing network being connected respectively with the high pitch voice coil loudspeaker voice coil and the middle bass coil；The dividing network includes,Trebling circuit, it is connected with the high pitch voice coil loudspeaker voice coil, for making the high pitch voice coil loudspeaker voice coil produce dither, the dither Frequency range is 2000Hz to 20000Hz；AndMiddle bass circuit, it is connected with the middle bass coil, for making low-frequency vibration during the middle bass coil produces, in described The frequency range of low-frequency vibration is 200Hz to 2000Hz；The trebling circuit includes high pass electric capacity C2, high pass electric capacity C3, piezo-resistance R2 and low pass inductance L3；The middle bass Circuit includes high pass electric capacity C1, low pass inductance L3 and valley point eliminates circuit；The valley point, which eliminates circuit, includes resistance R1, inductance L1 and electric capacity C4, wherein electric capacity C4 and inductance L1 connect, electric capacity C4 and inductance L1, while in parallel with resistance R1.
- 4. audio amplifier according to claim 3, it is characterised in that the horn structure also includes：Elastic supporting member for supporting optical member, for flexibly supporting the bottom of the active medium and low spectrum loudspeaker；The elastic supporting member for supporting optical member respectively with institute The bottom for stating active medium and low spectrum loudspeaker connects with the inner side of the shell.
- 5. audio amplifier according to claim 4, it is characterised in that be additionally provided with the inside of the shell for the elasticity The locating piece of support member positioning.
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| CN201410313157.XA CN104105025B (en) | 2014-07-02 | 2014-07-02 | The active speaker horn structure and audio amplifier integrated with passive radiator |
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| CN201410313157.XA CN104105025B (en) | 2014-07-02 | 2014-07-02 | The active speaker horn structure and audio amplifier integrated with passive radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208094751U (en) * | 2017-03-17 | 2018-11-13 | 宁波升亚电子有限公司 | Loudspeaker arrangement and headphone with loudspeaker arrangement |
| CN206674171U (en) * | 2017-04-13 | 2017-11-24 | 深圳麦博电器有限公司 | One kind vibration audio amplifier |
| CN106937225B (en) * | 2017-04-17 | 2019-12-24 | 维沃移动通信有限公司 | Horn structure and mobile terminal |
| CN109286882A (en) * | 2018-09-07 | 2019-01-29 | 安克创新科技股份有限公司 | A kind of passive radiator tuning box |
| CN109275064B (en) * | 2018-09-30 | 2020-06-23 | 联想(北京)有限公司 | Sound box and control method applied to sound box |
| CN115426558B (en) * | 2022-09-01 | 2023-11-24 | 无锡杰夫电声股份有限公司 | Left-right sound channel integrated sound box for computer integrated machine |
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| WO2012051217A2 (en) * | 2010-10-12 | 2012-04-19 | Sahyoun Joseph Y | An acoustic radiator including a combinatiion of a co-axial audio speaker and passive radiator |
| CN202353803U (en) * | 2011-11-09 | 2012-07-25 | 北京爱德发科技有限公司 | Coaxial loudspeaker unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080101647A1 (en) * | 2006-10-19 | 2008-05-01 | Cheng-Yuan Sun | Full-range speaker device |
| JP2012249128A (en) * | 2011-05-30 | 2012-12-13 | Panasonic Corp | Speaker |
| CN202721817U (en) * | 2012-07-25 | 2013-02-06 | 湖南音品电子有限公司 | Passive radiator for built-in active loudspeaker and corresponding loudspeaker box |
| CN202907170U (en) * | 2012-11-01 | 2013-04-24 | 湖南音品电子有限公司 | Passive radiator and corresponding speaker box |
| CN103220613B (en) * | 2013-03-28 | 2016-08-17 | 郑树城 | Spread spectrum loudspeaker |
| CN204090070U (en) * | 2014-07-02 | 2015-01-07 | 音品电子（深圳）有限公司 | The horn structure that initiatively loud speaker is integrated with passive radiator and audio amplifier |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012051217A2 (en) * | 2010-10-12 | 2012-04-19 | Sahyoun Joseph Y | An acoustic radiator including a combinatiion of a co-axial audio speaker and passive radiator |
| CN202353803U (en) * | 2011-11-09 | 2012-07-25 | 北京爱德发科技有限公司 | Coaxial loudspeaker unit |
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