CN104105025A - Trumpet structure with integrated active loudspeaker and passive radiator, and sound box - Google Patents
Trumpet structure with integrated active loudspeaker and passive radiator, and sound box Download PDFInfo
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Abstract
The invention provides a trumpet structure with an integrated active loudspeaker and a passive radiator, and a sound box. The trumpet structure comprises an active mid-bass loudspeaker, a mid-bass loudspeaker fixing member and a passive radiator elastic connecting member. The active mid-bass loudspeaker comprises an active high-pitch loudspeaker and a mid-bass diaphragm. According to the trumpet structure with the integrated active loudspeaker and the passive radiator, and the sound box, the active mid-bass loudspeaker, the active high-pitch loudspeaker and the passive radiator are arranged so that full-band high-pitch, middle and bass sound is perfectly covered, manufacturing cost is low, and thus the technical problem of poor sound quality of partial frequency band of existing trumpet structures is solved.
Description
Technical field
The present invention relates to loud speaker and make field, more particularly, relate to a kind of active loud speaker and the integrated horn structure of passive radiator and audio amplifier.
Background technology
In traditional loudspeaker design is produced, loud speaker design itself has certain low frequency characteristic. but there is better bass effect after loud speaker being packed into audio amplifier, generally can on loud speaker, design corresponding bass radiation dish.
The structural representation of the passive radiator that as shown in Figure 1, Fig. 1 is prior art.This passive radiator is by the initiatively integrated design of loud speaker and passive radiator, saved taking up room of passive radiator, and then the aesthetic appearance of raising audio amplifier, the utility model patent that the specific works principle of this passive radiator can be 201220363220.7 referring to application number.
When the passive radiator of above-mentioned embedding active loud speaker and audio amplifier are used, initiatively the frequency range of the medium-high frequency section of loud speaker and the low-frequency range of passive radiator is narrower, be not well positioned to meet the requirement of people's centering height full frequency band,, there is sometimes middle pitch tonequality poor (can not perfectly cover Mid Frequency) partly in the tonequality poor (can not perfectly cover high band) that occurs sometimes high pitch part.
Therefore, be necessary to provide a kind of active loud speaker and the integrated horn structure of passive radiator and audio amplifier, to solve the existing problem of prior art.
Summary of the invention
The invention provides a kind of cost of manufacture low, can perfectly cover again active loud speaker and the integrated horn structure of passive radiator and the audio amplifier of high, normal, basic full frequency band simultaneously; To solve the poor technical problem of tonequality of the band segment of existing horn structure.
The technical solution adopted for the present invention to solve the technical problems is:
The invention provides a kind of active loud speaker and the integrated horn structure of passive radiator, it comprises:
Active medium and low spectrum loudspeaker; Comprise:
High pitch loudspeaker initiatively, is arranged on the top middle portion of described active medium and low spectrum loudspeaker; And
Middle bass vibrating diaphragm, is arranged on the surrounding of described active high pitch loudspeaker, for sending bass;
Medium and low spectrum loudspeaker fixture, is arranged on the top outside of described active medium and low spectrum loudspeaker; And
Passive radiator Flexible Connector, connects described active medium and low spectrum loudspeaker and corresponding audio amplifier for elasticity.
In active loud speaker of the present invention and the integrated horn structure of passive radiator, described vibrating diaphragm and the integrated design of described passive radiator Flexible Connector, one end of described middle bass vibrating diaphragm and described passive radiator Flexible Connector is bonded on described medium and low spectrum loudspeaker fixture.
In active loud speaker of the present invention and the integrated horn structure of passive radiator, described active medium and low spectrum loudspeaker also comprises:
Middle bass magnet, for generation of the middle bass magnetic line of force, to produce constant magnetic field in middle bass magnetic air gap;
Middle bass voice coil loudspeaker voice coil, is arranged on described middle bass magnet, for by the middle bass magnetic line of force in the described bass magnetic air gap of cutting, tone currents is changed and is converted to up-down vibration, is connected with described middle bass vibrating diaphragm;
Middle bass bullet ripple, for the position of bass voice coil loudspeaker voice coil described in flexible fastening, collides with miscellaneous part avoiding;
Middle bass York, when being used to form magnetic pole, by the described middle bass magnetic air gap of middle bass magnetic line of force guiding of described middle bass magnet;
Middle bass support, for connecting described bass York and described medium and low spectrum loudspeaker fixture; And
Middle bass magnetic conductive board, when being used to form magnetic pole, by the described middle bass magnetic air gap of middle bass magnetic line of force guiding of described middle bass magnet.
In active loud speaker of the present invention and the integrated horn structure of passive radiator, described active high pitch loudspeaker comprises:
Tweeters diaphragms, is arranged on the top of described active high pitch loudspeaker, for sending high pitched signal;
High pitch magnet, is arranged on described high pitch magnetic conductive board, for generation of the high pitch magnetic line of force, to produce constant magnetic field in high pitch magnetic air gap;
High pitch voice coil loudspeaker voice coil, is arranged on described high pitch magnet, for by the high pitch magnetic line of force of the described high pitch magnetic air gap of cutting, tone currents is changed and is converted to up-down vibration, is connected with described tweeters diaphragms; And
High pitch magnetic conductive board, when being used to form magnetic pole, leads the high pitch magnetic line of force of described high pitch magnet in described high pitch magnetic air gap;
Wherein said tweeters diaphragms is connected with described middle bass voice coil loudspeaker voice coil by high pitch fixture.
In active loud speaker of the present invention and the integrated horn structure of passive radiator, described horn structure also comprises the dividing network being connected with described middle bass voice coil loudspeaker voice coil with described high pitch voice coil loudspeaker voice coil respectively.
In active loud speaker of the present invention and the integrated horn structure of passive radiator, described dividing network comprises,
Trebling circuit, is connected with described high pitch voice coil loudspeaker voice coil, and for making described high pitch voice coil loudspeaker voice coil produce dither, the frequency range of described dither is 2000Hz to 20000Hz; And
Middle bass circuit, is connected with described middle bass voice coil loudspeaker voice coil, and for making described bass voice coil loudspeaker voice coil produce medium and low frequency vibration, the frequency range of described medium and low frequency vibration is 200Hz to 2000Hz.
In active loud speaker of the present invention and the integrated horn structure of passive radiator, described active medium and low spectrum loudspeaker and described medium and low spectrum loudspeaker fixture form passive radiator, and the frequency range of described passive radiator vibration is 80Hz to 200Hz.
The present invention also provides a kind of audio amplifier, and it comprises:
Shell, is provided with a breach; And
Active loud speaker and the integrated horn structure of passive radiator, comprising:
Active medium and low spectrum loudspeaker; Comprise:
High pitch loudspeaker initiatively, is arranged on the top middle portion of described active medium and low spectrum loudspeaker; And
Middle bass vibrating diaphragm, is arranged on the surrounding of described active high pitch loudspeaker, for sending bass;
Medium and low spectrum loudspeaker fixture, is arranged on the top outside of described active medium and low spectrum loudspeaker; And
Passive radiator Flexible Connector, connects described active medium and low spectrum loudspeaker and described breach for elasticity;
Wherein said vibrating diaphragm and the integrated design of described passive radiator Flexible Connector, one end of described middle bass vibrating diaphragm and described passive radiator Flexible Connector is bonded on described medium and low spectrum loudspeaker fixture.
In audio amplifier of the present invention, described horn structure also comprises:
Elastic supporting member for supporting optical member, for the bottom of active medium and low spectrum loudspeaker described in resiliency supported; Described elastic supporting member for supporting optical member is connected with the bottom of described active medium and low spectrum loudspeaker and the inner side of described shell respectively.
In audio amplifier of the present invention, described shell is also provided with for the locating piece to described elastic supporting member for supporting optical member location on inner side.
Active loud speaker of the present invention and the integrated horn structure of passive radiator and audio amplifier, perfectly covered high, normal, basic full frequency band sound, and cost of manufacture is low by initiatively medium and low spectrum loudspeaker, active high pitch loudspeaker and passive radiator are set; Solved the poor technical problem of tonequality of the band segment of existing horn structure.
Accompanying drawing explanation
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 structural representation of the preferred embodiment of active loud speaker of the present invention and the integrated horn structure of passive radiator;
Fig. 3 is the structural representation of the dividing network of active loud speaker of the present invention and the integrated horn structure of passive radiator;
Fig. 4 is the frequency division schematic diagram of active loud speaker of the present invention and the integrated horn structure of passive radiator;
Fig. 5 is the structural representation of the preferred embodiment of audio amplifier of the present invention;
Wherein, description of reference numerals is as follows:
20, horn structure;
21, active medium and low spectrum loudspeaker;
211, middle bass vibrating diaphragm;
212, middle bass magnet;
213, middle bass voice coil loudspeaker voice coil;
214, middle bass bullet ripple;
215, middle bass York;
216, middle bass support;
217, middle bass magnetic conductive board;
22, medium and low spectrum loudspeaker fixture;
23, passive radiator Flexible Connector;
24, active high pitch loudspeaker;
241, tweeters diaphragms;
242, high pitch magnet;
243, high pitch voice coil loudspeaker voice coil;
244, high pitch magnetic conductive board;
245, high pitch fixture;
25, passive radiator fixture;
26, dividing network;
261, trebling circuit;
262, middle bass circuit;
50, audio amplifier;
51, shell;
511, breach;
512, locating piece;
52, horn structure;
521, active medium and low spectrum loudspeaker;
522, medium and low spectrum loudspeaker fixture;
523, passive radiator Flexible Connector;
524, active high pitch loudspeaker;
525, elastic supporting member for supporting optical member.
Embodiment
Below in conjunction with diagram, the preferred embodiments of the present invention are described in detail.
Please refer to Fig. 2, Fig. 2 is the structural representation of the preferred embodiment of active loud speaker of the present invention and the integrated horn structure of passive radiator.This horn structure 20 comprises initiatively medium and low spectrum loudspeaker 21, medium and low spectrum loudspeaker fixture 22 and passive radiator Flexible Connector 23.Wherein initiatively the top middle portion of medium and low spectrum loudspeaker 21 is provided with initiatively high pitch loudspeaker 24, and initiatively the surrounding of medium and low spectrum loudspeaker 21 is provided with middle bass vibrating diaphragm 211.Medium and low spectrum loudspeaker fixture 22 is arranged on the initiatively outside, top of medium and low spectrum loudspeaker 21, and passive radiator Flexible Connector 23 connects initiatively medium and low spectrum loudspeaker 21 and corresponding audio amplifier for elasticity.The passive radiator that so initiatively medium and low spectrum loudspeaker 21 and medium and low spectrum loudspeaker fixture 22 form can be used for generating bass signal, initiatively medium and low spectrum loudspeaker 21 can be used for bass signal (or midrange signals) in generation, and initiatively high pitch loudspeaker 24 can be used for generating high pitched signal.
Wherein initiatively medium and low spectrum loudspeaker 21 also comprises middle bass magnet 212, middle bass voice coil loudspeaker voice coil 213, middle bass bullet ripple 214, middle bass York 215, middle bass support 216 and middle bass magnetic conductive board 217.Middle bass magnet 212 is for generation of the middle bass magnetic line of force, to produce constant magnetic field in middle bass magnetic air gap; Middle bass voice coil loudspeaker voice coil 213 is arranged on middle bass magnet 212, for by the middle bass magnetic line of force in cutting bass magnetic air gap, tone currents is changed and is converted to up-down vibration, is connected with middle bass vibrating diaphragm 211; Middle bass bullet ripple 214 is for the position of flexible fastening bass voice coil loudspeaker voice coil 213, collides avoiding with miscellaneous part; When middle bass York 215 is used to form magnetic pole, by bass magnetic air gap in the middle bass magnetic line of force guiding of middle bass magnet 212; Middle bass support 216 is for connecting bass York 215 and medium and low spectrum loudspeaker fixture 22; When middle bass magnetic conductive board 217 is used to form magnetic pole, by bass magnetic air gap in the middle bass magnetic line of force guiding of middle bass magnet 212.
Wherein initiatively high pitch loudspeaker 24 comprises tweeters diaphragms 241, high pitch magnet 242, high pitch voice coil loudspeaker voice coil 243 and high pitch magnetic conductive board 244.Tweeters diaphragms 241 is arranged on the initiatively top of high pitch loudspeaker 24, for sending high pitch; High pitch magnet 242 is arranged on described high pitch magnetic conductive board 217, for generation of the high pitch magnetic line of force, to produce constant magnetic field in high pitch magnetic air gap; High pitch voice coil loudspeaker voice coil 243 arranges on high pitch magnet 242, for by the high pitch magnetic line of force of cutting high pitch magnetic air gap, tone currents is changed and is converted to up-down vibration; Be connected with tweeters diaphragms 241; When high pitch magnetic conductive board 244 is used to form magnetic pole, by the high pitch magnetic line of force guiding high pitch magnetic air gap of high pitch magnet 242.Tweeters diaphragms 241 is connected with middle bass voice coil loudspeaker voice coil 213 by high pitch fixture 245.
In active loud speaker of the present invention and the integrated horn structure 20 of passive radiator, initiatively medium and low spectrum loudspeaker 21 mainly sends the sound of medium and low frequency by electroacoustic conversion, its shape is a circle substantially, this circular diameter is 30 millimeters to 50 millimeters, and the cross sectional shape of this active medium and low spectrum loudspeaker 21 also can be square, rectangle or ellipse certainly.Medium and low spectrum loudspeaker fixture 22 is fixed on the initiatively outside, top of medium and low spectrum loudspeaker 21 by the connected mode such as be spirally connected, this medium and low spectrum loudspeaker fixture 22 is generally metal fixing or plastic mount, thickness is also thicker, be generally 2 millimeters to 6 millimeters, counterweight while thering is like this active medium and low spectrum loudspeaker 21 of constant weight and the passive radiator formation low-frequency vibration of medium and low spectrum loudspeaker fixture 22 formations, and can to this counterweight, adjust by adjusting the weight of medium and low spectrum loudspeaker fixture 22, the profile of this medium and low spectrum loudspeaker fixture 22 and the above-mentioned the same square that can be of active medium and low spectrum loudspeaker 21, rectangle, it is circular or oval that (the profile here refers to the shape of the closed figures that the lines of medium and low spectrum loudspeaker fixture 22 outermost form, this shape is generally consistent with the cross sectional shape of active medium and low spectrum loudspeaker 21).
To realize the vibration of passive radiator simultaneously, also to medium and low spectrum loudspeaker fixture 22 and audio amplifier elasticity be coupled together by passive radiator Flexible Connector 23, this passive radiator Flexible Connector 23 can be caoutchouc elasticity connector, foamed plastics Flexible Connector or plastic cement Flexible Connector, the thickness of this passive radiator Flexible Connector 23 should be thinner, be generally 0.3 millimeter to 0.6 millimeter, and can be by changing the material of passive radiator Flexible Connector 23 and amplitude and the frequency of the passive radiator of adjusted size, the profile of this passive radiator Flexible Connector 23 and the above-mentioned the same square that can be of active medium and low spectrum loudspeaker 21, rectangle, circular or oval.
In order to realize the stable vibration of passive radiator, horn structure 20 of the present invention also comprises the passive radiator fixture 25 being arranged on audio amplifier, passive radiator fixture 25 is fixed on audio amplifier reliably for guaranteeing one end of passive radiator Flexible Connector 23, the profile of this passive radiator fixture 25 and above-mentioned the same square, rectangle, the circle or oval of can be of active medium and low spectrum loudspeaker 21.Certainly also passive radiator fixture 25 can be set here, but passive radiator Flexible Connector 23 is directly connected with audio amplifier.
Amplitude while carrying out low-frequency vibration due to passive radiator integral body may be larger, and therefore middle bass vibrating diaphragm 211 need fit tightly and be connected with medium and low spectrum loudspeaker fixture 22.In this, bass vibrating diaphragm 211 can be elastic caoutchouc, flexible foam or Elastic plastic-rubber, in this, the thickness of bass vibrating diaphragm 211 should be thinner, be generally 0.3 millimeter to 0.6 millimeter, the profile of bass vibrating diaphragm 211 and above-mentioned the same square, rectangle, the circle or oval of can be of active medium and low spectrum loudspeaker 21 in this.
Initiatively high pitch loudspeaker 24 mainly sends the sound of high frequency by electroacoustic conversion, its shape is a circle (medium and low spectrum loudspeaker is identical substantially with initiatively) substantially, this circular diameter is 10 millimeters to 15 millimeters, and the cross sectional shape of this active high pitch loudspeaker 24 also can be square, rectangle or ellipse certainly.Initiatively the tweeters diaphragms 241 of high pitch loudspeaker 24 fits tightly and is connected with high pitch fixture 245, by high pitch fixture 245, keeps apart tweeters diaphragms 241 and middle bass vibrating diaphragm 211, has avoided influencing each other of high pitch and middle bass.The profile of this high pitch fixture 245 can be square, rectangle, circle or ellipse (the profile here refer to the shape of closed figures that the lines of high pitch fixture 245 outermost form, this shape general with the cross sectional shape of active high pitch loudspeaker 24 consistent) the same as above-mentioned active high pitch loudspeaker 24.
This tweeters diaphragms 241 can be elastic caoutchouc, flexible foam or Elastic plastic-rubber, the thickness of this tweeters diaphragms 241 should be thinner, be generally 0.3 millimeter to 0.6 millimeter, the profile of this tweeters diaphragms 241 and above-mentioned the same square, rectangle, the circle or oval of can be of active high pitch loudspeaker 24.
Preferably, middle bass vibrating diaphragm 211 and passive radiator Flexible Connector 23 integrated designs, then the middle bass vibrating diaphragm of integrated design 211 and passive radiator Flexible Connector 23 are bonded on medium and low spectrum loudspeaker fixture 22, when making horn structure 20, middle bass vibrating diaphragm 211 and passive radiator Flexible Connector 23 are carried out to integrated making, the compatibility of bass vibrating diaphragm 211 and passive radiator Flexible Connector 23 in can guaranteeing like this, promote the bass effect of audio amplifier, simultaneously because middle bass vibrating diaphragm 211 is one-body molded with passive radiator Flexible Connector 23, can save the cost of manufacture of audio amplifier.
Preferably, horn structure 20 of the present invention also comprises dividing network 26, and this dividing network 26 comprises trebling circuit 261 and middle bass circuit 262.This trebling circuit 261 is connected with high pitch voice coil loudspeaker voice coil 243, and for making high pitch voice coil loudspeaker voice coil 243 produce dither, the frequency range of this dither is 2000Hz to 20000Hz; In this, bass circuit 262 is connected with middle bass voice coil loudspeaker voice coil 213, and for making bass voice coil loudspeaker voice coil 213 produce medium and low frequency vibration, the frequency range of this medium and low frequency vibration is 200Hz to 2000Hz.The frequency range of the passive radiator vibration that initiatively medium and low spectrum loudspeaker 21 and medium and low spectrum loudspeaker fixture 22 form is simultaneously 80Hz to 200Hz.Therefore horn structure 20 of the present invention can cover the high, normal, basic full frequency band sound of 80Hz to 20000Hz preferably.
Please refer to Fig. 3, Fig. 3 is the structural representation of the dividing network of active loud speaker of the present invention and the integrated horn structure of passive radiator.Wherein trebling circuit 261 comprises high pass capacitor C 2, high pass capacitor C 3, piezo-resistance R2 and low pass inductance L 3.Wherein high pass capacitor C 2 and high pass capacitor C 3 can well input to high-frequency signal high pitch voice coil loudspeaker voice coil 243; low pass inductance L 3 can well be filtered low frequency signal simultaneously, and piezo-resistance R2 protects trebling circuit 261 according to the voltage swing of high-frequency signal.
Middle bass circuit 262 comprises high pass capacitor C 1, low pass inductance L 3 and valley point elimination circuit, and high pass capacitor C 1 can well be filtered high-frequency signal, and low pass inductance L 3 can well input to medium and low frequency signal middle bass voice coil loudspeaker voice coil 213.Wherein elimination circuit in valley point comprises resistance R 1, inductance L 1 and capacitor C 4, wherein capacitor C 4 and inductance L 1 series connection, capacitor C 4 and inductance L 1, simultaneously in parallel with resistance R 1, circuit is eliminated in this valley point can effectively eliminate the trough in medium and low frequency signal, and centering low frequency signal can play well lifts paddy shaping operation, makes the sound that initiatively medium and low spectrum loudspeaker 21 sends more stable.
Please refer to Fig. 4, Fig. 4 is the frequency dividing circuit figure of active loud speaker of the present invention and the integrated horn structure of passive radiator.Abscissa in figure is sound horn frequency (Hz), and ordinate is acoustic pressure decibel (dBSPL).The audible frequency curve that wherein lines A is passive radiator, lines B is the audible frequency curve of active medium and low spectrum loudspeaker 21, lines C is the audible frequency curve of active high pitch loudspeaker 24, the audible frequency curve that lines D is this horn structure 20 (being about to lines A, lines B and lines C synthesizes).Horn structure 20 of the present invention can cover the high, normal, basic full frequency band sound of 80Hz to 20000Hz preferably as seen from the figure.
The present invention also provides a kind of audio amplifier, please refer to Fig. 5, the structural representation of the preferred embodiment that Fig. 5 is audio amplifier of the present invention.This audio amplifier 50 comprises shell 51 and active loud speaker and the integrated horn structure 52 of passive radiator, and this shell 51 is provided with a breach 511.This horn structure 52 comprises initiatively medium and low spectrum loudspeaker 521, medium and low spectrum loudspeaker fixture 522 and passive radiator Flexible Connector 523.Wherein initiatively the top middle portion of medium and low spectrum loudspeaker 521 is provided with initiatively high pitch loudspeaker 524, and initiatively the surrounding of medium and low spectrum loudspeaker 521 is provided with middle bass vibrating diaphragm.Medium and low spectrum loudspeaker fixture 522 is arranged on the initiatively outside, top of medium and low spectrum loudspeaker 521, and passive radiator Flexible Connector 523 connects initiatively medium and low spectrum loudspeaker 521 and breach 511 for elasticity.The passive radiator that so initiatively medium and low spectrum loudspeaker 521 and medium and low spectrum loudspeaker fixture 522 form can be used for generating bass signal, initiatively medium and low spectrum loudspeaker 521 can be used for bass signal (or midrange signals) in generation, and initiatively high pitch loudspeaker 524 can be used for generating high pitched signal.Middle bass vibrating diaphragm and passive radiator Flexible Connector 523 integrated designs, 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 of audio amplifier of the present invention and other beneficial effects, with in the preferred embodiment of above-mentioned horn structure, describe same or similar, specifically refer to the associated description in the preferred embodiment of above-mentioned horn structure.
Preferably, in the horn structure 52 of the audio amplifier 50 of this preferred embodiment, also comprise elastic supporting member for supporting optical member 525, this elastic supporting member for supporting optical member 525 is for the bottom of resiliency supported active medium and low spectrum loudspeaker 521, it is connected with audio amplifier 50 bottom inside with the bottom of active medium and low spectrum loudspeaker 521 respectively, because the weight of active medium and low spectrum loudspeaker 521 may be heavier, and the passive radiator Flexible Connector 523 that connects medium and low spectrum loudspeaker fixture 522 and breach 511 requires thinner, therefore may cause the elasticity of passive radiator Flexible Connector 523 not enough, and then affect the performance that passive radiator sends low-frequency sound.Elastic supporting member for supporting optical member 525 has further strengthened the controllability of the passive vibration (low-frequency range vibration) of passive radiator, as the elasticity of passive radiator Flexible Connector 523 is not enough, can increase the support performance of elastic supporting member for supporting optical member 525 to strengthen the elasticity of passive radiator Flexible Connector 523; As excessive in the elasticity of passive radiator Flexible Connector 523, can reduce accordingly the support performance of elastic supporting member for supporting optical member 525 to weaken the elasticity of passive radiator Flexible Connector 523.The material of this elastic supporting member for supporting optical member 525 can be cotton, flameproof fabric or silk etc.Certainly as the elasticity of passive radiator Flexible Connector 523, be enough to realize the function of corresponding passive radiator, also elastic supporting member for supporting optical member 525 can be set.
Preferably, shell 51 inner sides of audio amplifier 50 are also provided with for the locating piece 512 to elastic supporting member for supporting optical member 525 location, the elastic supporting member for supporting optical member 525 that is arranged so that by locating piece 512 can, because vibration of audio amplifier 50 etc. is former thereby be subjected to displacement, not avoided the impact on the support effect of horn structure 52.
Active loud speaker of the present invention and the integrated horn structure of passive radiator and audio amplifier, perfectly covered high, normal, basic full frequency band sound, and cost of manufacture is low by initiatively medium and low spectrum loudspeaker, active high pitch loudspeaker and passive radiator are set; Solved the poor technical problem of tonequality of the band segment of existing horn structure.
The foregoing is only the preferred embodiments of the present invention, not in order to limit the present invention, all any modifications of doing in the spirit and principles in the present invention, be equal to and replace or improvement etc., all should be included in protection scope of the present invention.
Claims (10)
1. active loud speaker and the integrated horn structure of passive radiator, is characterized in that, comprising:
Active medium and low spectrum loudspeaker; Comprise:
High pitch loudspeaker initiatively, is arranged on the top middle portion of described active medium and low spectrum loudspeaker; And
Middle bass vibrating diaphragm, is arranged on the surrounding of described active high pitch loudspeaker, for sending bass;
Medium and low spectrum loudspeaker fixture, is arranged on the top outside of described active medium and low spectrum loudspeaker; And
Passive radiator Flexible Connector, connects described active medium and low spectrum loudspeaker and corresponding audio amplifier for elasticity.
2. active loud speaker according to claim 1 and the integrated horn structure of passive radiator, is characterized in that,
Described middle bass vibrating diaphragm and the integrated design of described passive radiator Flexible Connector, one end of described middle bass vibrating diaphragm and described passive radiator Flexible Connector is bonded on described medium and low spectrum loudspeaker fixture.
3. active loud speaker according to claim 1 and the integrated horn structure of passive radiator, is characterized in that,
Described active medium and low spectrum loudspeaker also comprises:
Middle bass magnet, for generation of the middle bass magnetic line of force, to produce constant magnetic field in middle bass magnetic air gap;
Middle bass voice coil loudspeaker voice coil, is arranged on described middle bass magnet, for by the middle bass magnetic line of force in the described bass magnetic air gap of cutting, tone currents is changed and is converted to up-down vibration, is connected with described middle bass vibrating diaphragm;
Middle bass bullet ripple, for the position of bass voice coil loudspeaker voice coil described in flexible fastening, collides with miscellaneous part avoiding;
Middle bass York, when being used to form magnetic pole, by the described middle bass magnetic air gap of middle bass magnetic line of force guiding of described middle bass magnet;
Middle bass support, for connecting described bass York and described medium and low spectrum loudspeaker fixture; And
Middle bass magnetic conductive board, when being used to form magnetic pole, by the described middle bass magnetic air gap of middle bass magnetic line of force guiding of described middle bass magnet.
4. active loud speaker according to claim 1 and the integrated horn structure of passive radiator, is characterized in that,
Described active high pitch loudspeaker comprises:
Tweeters diaphragms, is arranged on the top of described active high pitch loudspeaker, for sending high pitched signal;
High pitch magnet, is arranged on described high pitch magnetic conductive board, for generation of the high pitch magnetic line of force, to produce constant magnetic field in high pitch magnetic air gap;
High pitch voice coil loudspeaker voice coil, is arranged on described high pitch magnet, for by the high pitch magnetic line of force of the described high pitch magnetic air gap of cutting, tone currents is changed and is converted to up-down vibration, is connected with described tweeters diaphragms; And
High pitch magnetic conductive board, when being used to form magnetic pole, leads the high pitch magnetic line of force of described high pitch magnet in described high pitch magnetic air gap;
Wherein said tweeters diaphragms is connected with described middle bass voice coil loudspeaker voice coil by high pitch fixture.
Active loud speaker according to claim 1 with by the integrated horn structure of radiator, it is characterized in that,
Described horn structure also comprises the dividing network being connected with described middle bass voice coil loudspeaker voice coil with described high pitch voice coil loudspeaker voice coil respectively.
Active loud speaker according to claim 5 with by the integrated horn structure of radiator, it is characterized in that,
Described dividing network comprises,
Trebling circuit, is connected with described high pitch voice coil loudspeaker voice coil, and for making described high pitch voice coil loudspeaker voice coil produce dither, the frequency range of described dither is 2000Hz to 20000Hz; And
Middle bass circuit, is connected with described middle bass voice coil loudspeaker voice coil, and for making described bass voice coil loudspeaker voice coil produce medium and low frequency vibration, the frequency range of described medium and low frequency vibration is 200Hz to 2000Hz.
Active loud speaker according to claim 1 with by the integrated horn structure of radiator, it is characterized in that,
Described active medium and low spectrum loudspeaker and described medium and low spectrum loudspeaker fixture form passive radiator, and the frequency range of described passive radiator vibration is 80Hz to 200Hz.
8. an audio amplifier, is characterized in that, comprising:
Shell, is provided with a breach; And
Active loud speaker and the integrated horn structure of passive radiator, comprising:
Active medium and low spectrum loudspeaker; Comprise:
High pitch loudspeaker initiatively, is arranged on the top middle portion of described active medium and low spectrum loudspeaker; And
Middle bass vibrating diaphragm, is arranged on the surrounding of described active high pitch loudspeaker, for sending bass;
Medium and low spectrum loudspeaker fixture, is arranged on the top outside of described active medium and low spectrum loudspeaker; And
Passive radiator Flexible Connector, connects described active medium and low spectrum loudspeaker and described breach for elasticity;
Wherein said middle bass vibrating diaphragm and the integrated design of described passive radiator Flexible Connector, one end of described middle bass vibrating diaphragm and described passive radiator Flexible Connector is bonded on described medium and low spectrum loudspeaker fixture.
9. audio amplifier according to claim 8, is characterized in that, described horn structure also comprises:
Elastic supporting member for supporting optical member, for the bottom of active medium and low spectrum loudspeaker described in resiliency supported; Described elastic supporting member for supporting optical member is connected with the bottom of described active medium and low spectrum loudspeaker and the inner side of described shell respectively.
10. audio amplifier according to claim 9, is characterized in that, described shell is also provided with for the locating piece to described elastic supporting member for supporting optical member location on inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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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| CN104105025A true CN104105025A (en) | 2014-10-15 |
| CN104105025B CN104105025B (en) | 2018-03-02 |
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| CN201410313157.XA Expired - Fee Related CN104105025B (en) | 2014-07-02 | 2014-07-02 | The active speaker horn structure and audio amplifier integrated with passive radiator |
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| CN115426558A (en) * | 2022-09-01 | 2022-12-02 | 无锡杰夫电声股份有限公司 | Left and right sound channel integrated sound box for computer all-in-one machine |
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