CN208768291U - Sound equipment, speaker and its public address structure - Google Patents

Abstract

The utility model relates to a kind of sound equipment, speaker and its public address structure, sound equipment includes audible device and the speaker that is electrically connected with audible device, and speaker includes speaker body and public address structure, and public address structure includes the first vibration basin and public address shell.Public address shell surrounds accommodating chamber, and the bottom of the first vibration basin is located in accommodating chamber, and the top of public address shell is connected with the first vibration basin.Public address shell is equivalent to the extension of the first vibration basin, expands the most big basin mouth size of the first vibration basin indirectly, so that the low-limit frequency of the low-limit frequency of the capable of emitting sound of the public address shell sound capable of emitting lower than the first vibration basin.Extend the most big basin mouth size of the first vibration basin using public address shell, and be located at the bottom of the first vibration basin in accommodating chamber, may make public address structure not increase the volume of public address structure while there is deeper low frequency dive, so that the small volume of public address structure.So the low frequency dive relatively depth and small volume, user experience of above-mentioned sound equipment, speaker and its public address structure are preferable.

Description

Sound equipment, speaker and its public address structure

Technical field

The utility model relates to public address fields, more particularly to a kind of sound equipment, speaker and its public address structure.

Background technique

With the development of science and technology with improvement of living standard, sound equipment is widely used in the fields such as bar, house and theater Institute.Sound equipment includes speaker, and audio electric energy can be converted into corresponding sound energy, and sound can be spread by terminal of the speaker as sound equipment Into the environment of surrounding.Speaker includes vibration basin, and vibration basin mainly plays public address.In the conventional technology, low frequency dive is deeper The volume of speaker is usually all bigger.

Utility model content

Based on this, it is necessary in view of the above-mentioned problems, provide the sound equipment of a kind of low frequency dive relatively depth and small volume, speaker and Its public address structure.

A kind of public address structure of speaker, comprising:

First vibration basin；And

Public address shell surrounds accommodating chamber, is connected at the top of the top of the public address shell and the first vibration basin；

Wherein, the bottom of the first vibration basin is located in the accommodating chamber.

The public address structure of above-mentioned speaker has at least the following advantages:

When work, at the conduct vibrations with certain frequency to the first vibration basin, cause the vibration of the first vibration basin to sending sound Sound.Due to being connected at the top of the top of public address shell and the first vibration basin, therefore public address shell is equivalent to the extension of the first vibration basin, expands indirectly The big most big basin mouth size of first vibration basin, so that the low-limit frequency of the capable of emitting sound of public address shell is capable of emitting lower than the first vibration basin Sound low-limit frequency, therefore the low-limit frequency sound capable of emitting lower than the first vibration basin of the whole capable of emitting sound of public address structure The low-limit frequency of sound, so the low frequency dive of above-mentioned public address structure entirety is deeper.In addition, extending the first vibration basin using public address shell Most big basin mouth size, and it is located at the bottom of the first vibration basin in accommodating chamber, it may make public address structure that there is deeper low frequency dive While do not increase the volume of public address structure so that the small volume of public address structure.

Technical solution is illustrated further below:

In one of the embodiments, public address structure further include load-bearing part and second vibration basin, the bottom of the public address shell and The second vibration basin is all set in the same side on the load-bearing part and being located at the load-bearing part, and the second vibration basin is located at described In accommodating chamber, for the basin mouth of the second vibration basin toward the load-bearing part, the weight of the second vibration basin overweights the public address shell, The load-bearing part is equipped with acoustic aperture.

Public address structure further includes conducting piece in one of the embodiments, and the load-bearing part is set on the conducting piece, The conducting piece is located at side of the load-bearing part far from the first vibration basin, and the conducting piece is used for conduct vibrations to foreign object On.

The conducting piece includes the diffusing cone for conducting seat and being set on the conduction seat in one of the embodiments, The diffusing cone is located between the conduction seat and the second vibration basin, it is described go out acoustic aperture towards the diffusing cone.

The conducting piece further includes non-slip mat in one of the embodiments, and the non-slip mat is set to the conduction seat On, the non-slip mat is located at the conduction seat back on the side of the diffusing cone.

The first mounting post, first mounting post are provided on the inner wall of the public address shell in one of the embodiments, It is equipped with the first mounting hole, is provided with the second mounting post to match with first mounting hole on the load-bearing part, described the Two mounting posts are inserted into first mounting hole.

Public address structure further includes fastener in one of the embodiments, and second mounting post is equipped with the second installation Hole, the conducting piece are equipped with third mounting hole corresponding with second mounting hole, and the fastener is arranged in described the In two mounting holes and the third mounting hole.

Public address structure further includes shield in one of the embodiments, and the shield is set on the public address shell, The shield is equipped with sound outlet hole.

A kind of speaker, comprising:

Speaker body；And

Public address structure as described above, the first vibration basin are set in the speaker body；

Wherein, the speaker body is located in the accommodating chamber.

A kind of sound equipment, comprising:

Audible device；And

Speaker as described above, the speaker body are electrically connected with the audible device.

Above-mentioned sound equipment and speaker have at least the following advantages:

When work, after the audio electric energy at audible device is transferred at speaker, speaker body in speaker is by audio electric energy Being converted into sound can be so that generates the vibration of certain frequency, to cause public address structural vibration sounding.Due to whole low of public address structure Frequency dive relatively depth and small volume, and the shell of the speaker containing above-mentioned public address structure is public address shell, therefore contain above-mentioned public address knot The sound equipment of structure and the low frequency dive relatively depth and small volume of speaker.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of public address structure in an embodiment；

Fig. 2 is a partial schematic diagram of public address structure shown in Fig. 1；

Fig. 3 is the structural schematic diagram of public address shell in Fig. 2；

Fig. 4 is a partial exploded view of public address structure shown in Fig. 1；

Fig. 5 is the explosive view of speaker in an embodiment.

Specific embodiment

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific implementation opened.

It should be noted that it can directly on the other element when element is referred to as " being set to " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Each technical characteristic of embodiment described above It can be combined arbitrarily, for simplicity of description, not to all possible combination of each technical characteristic in above-described embodiment It is all described, as long as being all considered to be the model of this specification record however, there is no contradiction in the combination of these technical features It encloses.

Fig. 1 and Fig. 2 is please referred to, the public address structure 100 of speaker in an embodiment has low frequency dive relatively depth and small volume The characteristics of, in order to improve user experience.Specifically, public address structure 100 includes the first vibration basin 110 and public address shell 120, public address Shell 120 is connected with the first vibration basin 110, and public address shell 120 is used to extend the most big basin mouth size of the first vibration basin 110.

Also referring to Fig. 3, specifically, the top of public address shell 120 is connected with the top of the first vibration basin 110, public address shell 120 surround accommodating chamber 121, and the bottom of the first vibration basin 110 is located in accommodating chamber 121.When work, the vibration with certain frequency is passed It is directed at the first vibration basin 110, causes the vibration of the first vibration basin 110 to make a sound.Top and the first vibration due to public address shell 120 The top of basin 110 is connected, therefore public address shell 120 is equivalent to the extension of the first vibration basin 110, expands the first vibration basin 110 indirectly Most big basin mouth size, so that the low-limit frequency of the capable of emitting sound of public address shell 120 sound capable of emitting lower than the first vibration basin 110 Low-limit frequency, therefore the sound that the low-limit frequency of the whole capable of emitting sound of public address structure 100 is capable of emitting lower than the first vibration basin 110 Low-limit frequency, so above-mentioned public address structure 100 it is whole low frequency dive it is deeper.In addition, extending the first vibration using public address shell 120 The most big basin mouth size of basin 110, and it is located at the bottom of the first vibration basin 110 in accommodating chamber 121, it may make public address structure 100 to have There is the volume for not increasing public address structure 100 while deeper low frequency dive, so that the small volume of public address structure 100. It should be noted that the top of the first vibration basin 110 is at the basin mouth of the first vibration basin 110, the top of public address shell 120 is accommodating chamber At 121 lesser one end of accent size.

Please refer to figs. 2 and 3, and in the present embodiment, the top of public address shell 120 is connected to the top of the first vibration basin 110 On outer peripheral edge, to reduce the basin mouth size of the first vibration basin 110 and the range that coincides of accent size of accommodating chamber 121.First vibration Basin 110 is used to generate the vibration that frequency range is 20Hz~20KHz, issues the sound that frequency range is 90Hz~20KHz.First The material of vibration basin 110 can be the mixture of paper and plastics, and lighter in weight, the most big basin mouth of the first vibration basin 110 is having a size of 1.5 cun. Public address shell 120 is used to issue the sound that frequency range is 90Hz~1KHz.In the present embodiment, the material of public address shell 120 can be The mixture of plastics and nylon fiber, lighter in weight.The outer surface of public address shell 120 is spherical surface or ellipsoid, in order to which sound can Relatively evenly radiated along multi-angle.It certainly, in other embodiments, can be by adjusting the most big basin mouth size of the first vibration basin 110 Or the weight of adjustment the first vibration basin 110, to adjust the frequency range of the first vibration basin 110 made a sound.It can be by adjusting receiving The modes such as the maximum accent size of chamber 121 or the weight of public address shell 120, to adjust the frequency range that public address shell 120 makes a sound. It the outer surface of public address shell 120 can flexible design.

Referring to Fig. 3, further, the first mounting post 124, the first mounting post 124 are provided on the inner wall of public address shell 120 It is equipped with the first mounting hole 125, the first mounting post 124 can be inserted in other elements via the first mounting hole 125, is expanded with realizing The fixation of sound shell 120.Reinforcing rib 126 is additionally provided on the inner wall of public address shell 120, reinforcing rib 126 is for enhancing public address shell 120 Structural stability.Reinforcing rib 126 includes the first reinforcing rib 127 and the second reinforcing rib 128, and the first reinforcing rib 127 and second is reinforced Muscle 128 is interspersed, and the first reinforcing rib 127 is connected with the side wall of the first mounting post 124, to increase by the first mounting post 124 Structural stability.In the present embodiment, one end of the first mounting post 124 is set on the inner wall of public address shell 120, the first mounting hole 125 are set on the end face of the other end of the first mounting post 124, so as to plug simple and convenient.Optionally, the appearance of public address shell 120 Face is spherical surface, in order to which the sound issued by the vibration of public address shell 120 can be radiate from more direction, is made in different spaces The user of position can hear the sound issued by the vibration of public address shell 120 more visiblely.

Fig. 3 and Fig. 4 is please referred to, further, public address structure 100 further includes the second vibration basin 130, and the second vibration basin 130 is located at In accommodating chamber 121, second vibration basin 130 basin mouth back on first vibration basin 110.In use, the vibration of the first vibration basin 110 causes the The vibration of air at one vibration basin 110, the vibration of the air at the first vibration basin 110 can cause the vibration of the second vibration basin 130, and second The vibration of vibration basin 130 is so that the second vibration basin 130 can make a sound.The weight of second vibration basin 130 overweights public address shell 120, so that the The low-limit frequency of the low-limit frequency of the capable of emitting sound of two vibration basins 130 sound capable of emitting lower than public address shell 120, so that under low frequency It is latent further to deepen.In the present embodiment, the material of the second vibration basin 130 is metal, such as the alloy of iron or iron, weight compared with Weight.Second vibration basin 130 is passive vibration basin, and the frequency range of the capable of emitting sound of the second vibration basin 130 is 60Hz~90Hz.At other In embodiment, the weight of the second vibration basin 130 can be adjusted, by adjusting modes such as the materials of the second vibration basin 130 with the second vibration of adjustment The frequency range of the capable of emitting sound of basin 130.

Further, public address structure 100 further includes resilient suspension system, and resilient suspension system is outer along the second vibration basin 130 Periphery setting, in order to which the second vibration basin 130 vibrates.First vibration basin 110, the vibration basin 130 of public address shell 120, second and elastic suspended The space that extension system surrounds is airtight volume, and on the one hand the vibration convenient for the first vibration basin 110 can easier cause the second vibration The vibration of basin 130, on the other hand convenient for having at the conduct vibrations to the second vibration basin 130 compared with multi-frequency, to further deepen low Frequency dive improves sound quality.It should be noted that low frequency can further be adjusted by modes such as the hardness of change resilient suspension system The depth of dive.

Fig. 2 and Fig. 4 is please referred to, further, public address structure 100 further includes load-bearing part 140, and the second vibration basin 130 is set to On load-bearing part 140, the bottom of public address shell 120 and the second vibration basin 130 are located at the same side of load-bearing part 140.Load-bearing part 140 is equipped with Acoustic aperture 141 out, the sound that the second vibration basin 130 issues can be radiated in the environment of surrounding via acoustic aperture 141 out.Second vibration basin 130 Basin mouth toward load-bearing part 140, in order to which the sound that the second vibration basin 130 issues can relatively easily be radiated the environment of surrounding In.It is to be appreciated that the sound that the second vibration basin generates can also be conducted by load-bearing part 140 to other elements, it can be by load-bearing part 140 are placed on isometric larger or heavier-weight the object of desktop, are further deepened with will pass through the vibration of the objects such as desktop Low frequency dive.

The bottom of public address shell 120 is set on load-bearing part 140, is provided on load-bearing part 140 and 125 phase of the first mounting hole The second mounting post 142 matched, the second mounting post 142 are inserted into the first mounting hole 125, to increase public address shell 120 and load-bearing part 140 connective stability.Cable-through hole 143 is additionally provided on load-bearing part 140, cable-through hole 143 is for passing through electric wire.Load-bearing part 140 On be additionally provided with lamp hole 144, lamp hole 144 is for installing indicator light or headlamp etc..In the present embodiment, the quantity of acoustic aperture 141 out It is four, four go out acoustic aperture 141 and equably press circle-shaped distribution.Load-bearing part 140 is through injection molding, lighter in weight, and precision is higher. Certainly, in other embodiments, the quantity of acoustic aperture 141 also can be adjusted to one or five etc. out.Load-bearing part 140 can be using gold The heavier material manufacture such as category, further to deepen low frequency dive.

Referring to Fig. 2 and Fig. 4, further, public address structure 100 further includes conducting piece 150, and load-bearing part 140 is arranged In on conducting piece 150, conducting piece 150 is located at side of the load-bearing part 140 far from the first vibration basin 110.One side conducting piece 150 can rise Supporting role is used to support the elements such as load-bearing part 140, the vibration basin 130 of public address shell 120, second and the first vibration basin 110；On the other hand Conducting piece 150 can play conduction, be used for conduct vibrations to foreign object.In use, public address structure 100 is placed in foreign object On (such as desk), and conducting piece 150 is in contact with foreign object, and the vibration of the second vibration basin 130 causes the air at the second vibration basin 130 Vibration, the vibration of the air at the second vibration basin 130 causes the vibration of conducting piece 150, and the vibration on conducting piece 150 can conduct To foreign object, to cause the vibration of foreign object to make a sound.In general, the size of foreign object is greater than the size of public address shell 120, foreign object Weight overweight the weight of the second vibration basin 130, therefore the low-limit frequency made a sound by the vibration of foreign object is lower than the second vibration basin 130 The low-limit frequency of capable of emitting sound, so that low frequency dive is further deepened.In the present embodiment, at the second vibration basin 130 Vibration can be conducted by load-bearing part 140 on conducting piece, conducting piece 150 can be by conduct vibrations to foreign object, in order to foreign object Issue the sound that frequency range is 20Hz~60Hz.

Referring to Fig. 4, further, conducting piece 150 includes the diffusing cone for conducting seat 151 and being set on conduction seat 151 152, diffusing cone 152 is located between conduction seat 151 and the second vibration basin 130, and acoustic aperture 141 is towards diffusing cone 152 out.Diffusing cone 152 For reflecting from the sound that acoustic aperture 141 radiates out, in order to increase the radiation direction of sound.Optionally, diffusing cone 152 Outer surface is spherical, and is convex to load-bearing part 140, in order to can be from more direction spoke from the sound that acoustic aperture 141 radiates out It is shot out, the user in different spatial is enable to be heard more visiblely from the sound that acoustic aperture 141 radiates out.Conduction Seat 151 can be integrally formed with diffusing cone 152, or be separately again set to diffusing cone 152 after molding and conducted on seat 151.Conducting piece 150 are equipped with threading hole 153, and threading hole 153 is for passing through electric wire.In the present embodiment, conduction seat 151 and diffusing cone 152 Material be kirsite, heavier-weight, convenient for increasing the depth of low frequency dive.

Referring to Fig. 4, further, conducting piece 150 further includes non-slip mat 154, and non-slip mat 154 is set to conduction seat On 151, non-slip mat 154 is located at conduction seat 151 back on the side of diffusing cone 152.On the one hand the presence of non-slip mat 154 may make Public address structure 100 can be relatively stably placed on foreign object, and public address structure 100 on the other hand can be prevented opposite under the action of vibration It beats in foreign object.The material of non-slip mat 154 is silica gel etc., and cost is relatively low and antiskid effect is preferable.

Referring to Fig. 3 and Fig. 4, further, public address structure 100 further includes fastener (not shown), the second installation Column 142 is equipped with the second mounting hole 145, and conducting piece 150 is equipped with third mounting hole 155 corresponding with the second mounting hole 145, Fastener is arranged in the second mounting hole 145 and third mounting hole 155, to realize the fastening of load-bearing part 140 Yu conducting piece 150. Fastener can be bolt or screw etc., and materials are easy and cost is relatively low.In the present embodiment, the second mounting hole 145 is equipped with the On the end face of two mounting posts 142, and the second mounting hole 145 is through-hole, and fastener can be arranged in the second mounting hole 145 pacifies with third It fills in hole 155, or can be arranged in the first mounting hole 125, the second mounting hole 145 and third mounting hole 155.

Referring to Fig. 1 and Fig. 2, further, public address structure 100 further includes shield 160, and shield 160 is arranged In on public address shell 120, shield 160 is equipped with sound outlet hole 161, and the sound that the first vibration basin 110 issues can be via 161 spoke of sound outlet hole It is mapped in the environment of surrounding.On the one hand shield 160 can play dustproof effect, dust is avoided to fall on the first vibration basin 110, another Aspect can play protective action, prevent the vibration basin 110 of foreign object damage first.In the present embodiment, sound outlet hole 161 is circular hole, out sound The quantity that hole 161 is is multiple.Certainly, in other embodiments, the shape with quantity of sound outlet hole 161 can be adjusted flexibly.

Referring to Fig. 5, the speaker 10 in an embodiment, has the characteristics that low frequency dive relatively depth and small volume, user's body It is preferable to test sense.Specifically, speaker 10 includes public address structure 100 described in speaker body 200 and any of the above-described embodiment, the first vibration Basin 110 is set in speaker body 200.Speaker body 200 can convert audio electric energy to sound can be so that generate certain frequency Vibration, to cause 100 vibration sounding of public address structure.In the present embodiment, speaker body 200 is located in accommodating chamber 121.Loudspeaker sheet Body 200 includes voice coil, and after audio electric energy is passed through voice coil, voice coil vibrations are to drive the first vibration basin 110 to vibrate.Speaker body 200 further include centring disk, and centring disk is used to support the binding site of voice coil and the first vibration basin 110.It is to be appreciated that at this In embodiment, speaker body 200 and the first vibration basin 110 collectively constitute main drive the speaker.First vibration basin 110, public address shell 120, The sound box bodies of speaker 10 are collectively formed in second vibration basin 130 and load-bearing part 140.

Sound equipment (not shown) in one embodiment, can be used for restoring playing audio signal, can be applied to bar, house With the places such as theater.Specifically, sound equipment includes speaker 10 described in audible device and any of the above-described embodiment, speaker body 200 It is electrically connected with audible device.Audible device can be computer, mobile phone, microphone or MP3 etc., can produce audio-frequency electric at audible device Can, in order to which the audio electric energy is converted sound energy by speaker 10.

Above-mentioned sound equipment, speaker 10 and its public address structure 100 have at least the following advantages:

When work, after the audio electric energy at audible device is transferred at speaker 10, speaker body 200 in speaker 10 is by sound Frequency electric energy is converted into sound can be so that generate the vibration of certain frequency, to cause 100 vibration sounding of public address structure.Specific to this implementation In example, after audio electric energy is passed through voice coil, to drive the first vibration basin 110 to vibrate, the first vibration vibration of basin 110 generates voice coil vibrations The sound of medium-high frequency (frequency range is 90Hz~20KHz).The top of public address shell 120 is connected to the top of the first vibration basin 110 On outer peripheral edge, therefore the first vibration basin 110 vibrates the vibration that can cause public address shell 120, the sound of low frequency in the vibration generation of public address shell 120 Sound (frequency range is 90Hz~1KHz).Since the maximum accent size of accommodating chamber 121 is greater than the basin mouth ruler of the first vibration basin 110 It is very little, therefore the low-limit frequency of the sound of the sending of public address shell 120 is lower than the low-limit frequency for the sound that the first vibration basin 110 issues.First vibration The vibration of basin 110 causes the vibration of the air at the first vibration basin 110, and the vibration of the air at the first vibration basin 110 can cause second The vibration of vibration basin 130, the second vibration vibration of basin 130 generate the sound of low frequency (frequency range is 60Hz~90Hz).Due to the second vibration The weight of basin 130 overweights public address shell 120, therefore the second low-limit frequency for shaking the capable of emitting sound of basin 130 can be sent out lower than public address shell 120 The low-limit frequency of sound out.The vibration of second vibration basin 130 causes the vibration of the air at the second vibration basin 130, the second vibration basin 130 The vibration of the air at place causes the vibration of conducting piece 150, and the vibration on conducting piece 150 can be conducted to causing foreign object on foreign object Vibration, foreign object vibration generate the sound of ultralow frequency (frequency range is 20Hz~60Hz).Expand since the size of foreign object is typically larger than The size of sound shell 120, the weight of foreign object usually overweight the weight of the second vibration basin 130, therefore the lowest frequency of the capable of emitting sound of foreign object The low-limit frequency of the rate sound capable of emitting lower than the second vibration basin 130.Above-mentioned sound equipment, speaker 10 and its public address structure 100 are capable of emitting Frequency range is the sound of 20Hz~20KHz, and low frequency dive is deeper, and user experience is preferable.

The outer surface of public address shell 120 is spherical surface, and the outer surface of diffusing cone 152 is also spherical, can be convenient for 360 degree of spokes of sound It penetrates, has the characteristics that sound field is broad, so that the user in different spatial is heard more visiblely from acoustic aperture 141 out and radiate Sound out.Meanwhile public address shell 120 is equivalent to the extension of the first vibration basin 110, the bottom of the first vibration basin 110 is located at accommodating chamber In 121, therefore do not have to the volume for expanding speaker 10 and its public address structure 100, therefore above-mentioned sound equipment, speaker 10 and its public address structure 100 Small volume, and issue Sound close point sound source sounding.

Above-mentioned public address structure 100 only includes a speaker body 200, therefore can largely be reduced mutual between more loudspeaker Distortion is adjusted, to further increase user experience.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of public address structure of speaker characterized by comprising

First vibration basin；And

Public address shell surrounds accommodating chamber, is connected at the top of the top of the public address shell and the first vibration basin；

Wherein, the bottom of the first vibration basin is located in the accommodating chamber.

2. public address structure according to claim 1, which is characterized in that further include load-bearing part and the second vibration basin, the public address The bottom of shell and the second vibration basin are all set in the same side on the load-bearing part and being located at the load-bearing part, second vibration Basin is located in the accommodating chamber, and toward the load-bearing part, the weight of the second vibration basin overweights the basin mouth of the second vibration basin The public address shell, the load-bearing part are equipped with acoustic aperture.

3. public address structure according to claim 2, which is characterized in that further include conducting piece, the load-bearing part is set to institute It states on conducting piece, the conducting piece is located at side of the load-bearing part far from the first vibration basin, and the conducting piece will be for that will shake In dynamic conduction to foreign object.

4. public address structure according to claim 3, which is characterized in that the conducting piece includes conduction seat and is set to described Conduct the diffusing cone on seat, the diffusing cone is located at the conduction seat and described second and shakes between basin, and the acoustic aperture out is towards institute State diffusing cone.

5. public address structure according to claim 4, which is characterized in that the conducting piece further includes non-slip mat, described anti-skidding Pad is set on the conduction seat, and the non-slip mat is located at the conduction seat back on the side of the diffusing cone.

6. public address structure according to claim 3, which is characterized in that be provided with the first installation on the inner wall of the public address shell Column, first mounting post be equipped with the first mounting hole, is provided on the load-bearing part and matches with first mounting hole Second mounting post, second mounting post are inserted into first mounting hole.

7. public address structure according to claim 6, which is characterized in that further include fastener, set in second mounting post There is the second mounting hole, the conducting piece is equipped with third mounting hole corresponding with second mounting hole, and the fastener is worn In second mounting hole and the third mounting hole.

8. public address structure according to any one of claims 1 to 7, which is characterized in that it further include shield, the shield It is set on the public address shell, the shield is equipped with sound outlet hole.

9. a kind of speaker characterized by comprising

Speaker body；And

Public address structure as claimed in any one of claims 1 to 8, the first vibration basin are set in the speaker body；

Wherein, the speaker body is located in the accommodating chamber.

10. a kind of sound equipment characterized by comprising

Audible device；And

Speaker as claimed in claim 9, the speaker body are electrically connected with the audible device.