CN208609165U - Sound system and its omni-directional sound amplifying sound box - Google Patents

Abstract

The utility model discloses a kind of omni-directional sound amplifying sound box, which includes shell and at least satisfactory to both parties frequency sounding module, at least two high frequency sounding modules that are arranged in the shell；The sounding mouth of at least satisfactory to both parties frequency sounding module is respectively facing the different zones of the outer girdle circumferential direction, and the full range sounding module includes first shell and the full range sound wave driving unit for being revealed in the first shell side；The sounding mouth of at least two high frequency sounding modules is respectively facing the different zones of the outer girdle circumferential direction, and the high frequency sounding module includes second shell and the high frequency sound wave driving unit for being revealed in the second shell side；Several omnidirectional's beam orifices for acoustic irradiation to exterior space are offered on the shell.The utility model omni-directional sound amplifying sound box can realize omnidirectional radiation of the sound wave in space, and then improve the acoustics of speaker.In addition, a kind of sound system is also disclosed in the utility model.

Description

Sound system and its omni-directional sound amplifying sound box

Technical field

The utility model relates to speaker technology fields, and in particular to a kind of sound system and its omni-directional sound amplifying sound box.

Background technique

Sound system refers to the audio device that actual sound is restored by audio-frequency transducer, has generally included audio signal Input equipment (microphone), audio signal processing apparatus, audio signal amplifying apparatus and sound-reducing equipment (loudspeaker), that is, pass The acoustic signals of primary sound field are converted to electric signal by sound device, by audio signal processing apparatus and audio signal amplifying apparatus to this Electric signal performs corresponding processing, and is most reduced into acoustic signals through loudspeaker afterwards and is radiated to space, to realize sound Reduction is reset.Based on above content it is found that sound generation source of the loudspeaker as sound system, plays certainly the replaying effect of sound Qualitatively effect.

It is well known that loudspeaker belongs to the component part of speaker, it is designed in the closed chamber of speaker, to be isolated or close The reverse phase radiative acoustic wave generated by the vibration at the loudspeaker back side.Loudspeaker has generally comprised magnet steel, sound basin and has been set in sound The components such as the voice coil on basin are constituted, and after inputting alternation tone currents, according to Faraday's law, voice coil will be by axial alternation Motive force, the motive force drive the vibration of sound basin, push air and sounding repeatedly.Vibration side of traditional speaker because being limited to sound basin To and lead to the unicity of acoustic irradiation so that the sound for being reduced playback only can on the positive a certain specific direction of sound basin Reach preferable acoustics, and the acoustics generated in other directions is bad, there is such as sounds smaller, noise compared with The defects of big.

However, the sound wave that the musical instrument in musical performance is given off is mostly 360 ° of omnidirectional radiations, pass through various reflections Sound wave and direct sound wave produce the plentiful music effect of tone color in space.It in the prior art, is preferably to reproduce various music Performance and performance, especially philharmonic music performance, so as to be radiated to the sound wave in space by the way of speaker array Auditorium is completely covered.But the array of speaker needs the arrangement of a fairly large number of speaker progress vertical direction, so that its cost It is relatively high；Meanwhile the sound wave generated between each speaker interferes, so that the sound quality decline and its directive property and covering of sound Face is affected.Based on this, need it is a kind of can 360 ° of radiative acoustic waves in the horizontal direction omni-directional sound amplifying sound box.

Utility model content

The main purpose of the utility model is that a kind of omni-directional sound amplifying sound box is proposed, to solve traditional speaker because existing The bad technical problem of the acoustics in other directions caused by the single tropism of acoustic irradiation.

In order to solve the above technical problems, the utility model proposes a kind of omni-directional sound amplifying sound box, the omni-directional sound amplifying sound box Including shell and at least satisfactory to both parties frequency sounding module, at least two high frequency sounding modules that are arranged in the shell；Described at least two The sounding mouth of full range sounding module is respectively facing the different zones of the outer girdle circumferential direction, and the full range sounding module includes the One shell and the full range sound wave driving unit for being revealed in the first shell side；The sounding of at least two high frequency sounding modules Mouth is respectively facing the different zones of the outer girdle circumferential direction, and the high frequency sounding module includes second shell and is revealed in described The high frequency sound wave driving unit of second shell side；Several omnidirectionals for acoustic irradiation to exterior space are offered on the shell Beam orifice.

Preferably, it is formed between the first shell and the shell for for from the full range sound wave driving unit Full range sound wave carry out paraphase and resonance the first cavity, between the second shell and the shell formed for for from The high frequency sound wave of the high frequency sound wave driving unit carries out the second cavity of paraphase and resonance.

Preferably, the omni-directional sound amplifying sound box further includes the low frequency sounding module and infra-low frequency that the interior of shell is arranged Sounding module, the low frequency sounding module include that third shell and the low-frequency sound wave manifested from the third shell driving are single Member, the infra-low frequency sounding module include that the 4th shell and the infra-low frequency sound wave manifested from the 4th shell driving are single Member.

Preferably, it is formed between the third shell and the shell for for from the low-frequency sound wave driving unit Low-frequency sound wave carry out the third cavity of paraphase and resonance, formed between the 4th shell and shell for for from secondary low The infra-low frequency sound wave of frequency sound wave driving unit carries out the 4th cavity of paraphase and resonance.

Preferably, the high frequency sounding module, full range sounding module, low frequency sounding module and infra-low frequency sounding module are in sound It is from top to bottom sequentially arranged in the short transverse of case；The full range sound wave driving unit, high frequency sound wave driving unit, low-frequency sound wave Driving unit, infra-low frequency sound wave driving unit use diaphragm-vibrating type loudspeaker, and the diaphragm-vibrating type loudspeaker includes permanent for providing The magnet in magnetic field, the sound basin for radiative acoustic wave and the voice coil that is set on the sound basin.

Preferably, the shell includes the front cover shell and rear casing that mutual lid closes, and the front cover shell and rear casing enclose shape At the accommodating cavity for installing the full range sounding module, high frequency sounding module, low frequency sounding module and infra-low frequency sounding module Body；The side of the shell offers several grooves being spaced apart, and omnidirectional's beam orifice is located in the groove.

Preferably, the first paraphase channel that paraphase is carried out for full range reverse phase sound wave is offered in the first shell, it is described The ipsilateral of the full range sound wave driving unit is arranged in the radiation port in the first paraphase channel.

Preferably, the two second paraphase channels that paraphase is carried out for infra-low frequency reverse phase sound wave are offered in the 4th shell, The radiation port in the two second paraphase channel is separately positioned on the opposite sides close to the shell side.

Preferably, the omni-directional sound amplifying sound box further includes the support base with the cage connection.

The utility model is it is further proposed that a kind of sound system, including above-mentioned omni-directional sound amplifying sound box, the omni-directional Sound amplifying sound box includes shell and at least satisfactory to both parties frequency sounding module, at least two high frequency sounding modules that are arranged in the shell；Institute The sounding mouth for stating at least satisfactory to both parties frequency sounding module is respectively facing the different zones of the outer girdle circumferential direction, the full range sounding mould Group includes first shell and the full range sound wave driving unit for being revealed in the first shell side；At least two high frequency sounding moulds The sounding mouth of group is respectively facing the different zones of the outer girdle circumferential direction, and the high frequency sounding module includes second shell and shows It is exposed to the high frequency sound wave driving unit of the second shell side；It is offered on the shell several for acoustic irradiation to external sky Between omnidirectional's beam orifice.

The omni-directional sound amplifying sound box that the utility model is proposed is correspondingly arranged on for the sound wave driving unit of different frequency range The shell of different structure forms the sounding module of different frequency range, realizes each frequency range sound between the shell and sound wave driving unit The modularization of wave driving unit.Wherein, at least two high frequency sounding modules after modularization are respectively facing front and the back of shell Face setting, so that omnidirectional's beam orifice that the high frequency sound wave generated can be arranged through case surface is radiated to the exterior space of shell；Extremely Few satisfactory to both parties acoustic mode group that takes place frequently is respectively facing and is arranged close to the two relative side of shell, a part generated by full range sounding module Full range sound wave is directly radiated to the exterior space of shell two sides through omnidirectional's beam orifice, and another part full range sound wave is reflected and spread out It penetrates, the exterior space of shell is radiated to by omnidirectional's beam orifice of outer casing frontispiece and the back side.In this way, the utility model can realize weight Omnidirectional radiation of the sound reproduction wave in space, and then improve the acoustics of speaker.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of one embodiment of the utility model omni-directional sound amplifying sound box；

Fig. 2 is the structural representation at another visual angle of the internal structure of one embodiment of the utility model omni-directional sound amplifying sound box Figure；

Fig. 3 is the partial enlargement diagram in Fig. 2 at A；

Fig. 4 is the structural schematic diagram of one embodiment of high frequency sounding module of the utility model omni-directional sound amplifying sound box；

Fig. 5 is the structural schematic diagram of one embodiment of full range sounding module of the utility model omni-directional sound amplifying sound box；

Fig. 6 is the structural schematic diagram of one embodiment of low frequency sounding module of the utility model omni-directional sound amplifying sound box；

Fig. 7 is the structural schematic diagram of one embodiment of infra-low frequency sounding module of the utility model omni-directional sound amplifying sound box；

Fig. 8 is the partial enlargement diagram in Fig. 9 at B；

Fig. 9 is the structural schematic diagram of one embodiment of front cover shell of the utility model omni-directional sound amplifying sound box；

Figure 10 is the structural schematic diagram at another visual angle of one embodiment of front cover shell of the utility model omni-directional sound amplifying sound box.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation, based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

For the above technical problems, the utility model proposes a kind of omni-directional sound amplifying sound box, the sound amplifying sound boxes gram Having taken traditional speaker only can realize 360 ° of sound wave on horizontal plane direction in the defect of certain single direction radiative acoustic wave Omnidirectional radiation.

Referring to Fig. 1 and Fig. 2, above-mentioned omni-directional sound amplifying sound box includes shell, at least two full ranges of setting inside the shell Sounding module 2, at least two high frequency sounding modules 3, full range sounding module 2 and high frequency sounding module 3 are respectively used to generate different frequencies The sound wave of rate is simultaneously radiated to exterior space.Wherein, at least satisfactory to both parties frequency sounding module 2 and at least two high frequency sounding modules 3 exist respectively It is arranged side by side in the width direction of shell.In conjunction with Fig. 4,5 it is found that full range sounding module 2 includes first shell 21 and is revealed in The full range sound wave driving unit 22 of 21 side of first shell, full range sound wave driving unit 22 are respectively facing the two relative side of shell Setting；High frequency sounding module 3 includes second shell 31 and the high frequency sound wave driving unit 32 for being revealed in 31 one end of second shell, A front towards shell in two high frequency sound wave driving units 32, another is towards the back side of shell.In the present embodiment, The inside of first shell 21 and second shell 31 is provided with airtight cavity, and the main function of the airtight cavity is to be isolated or seal Close full range sound wave driving unit 22, the back side of high frequency sound wave driving unit 32 (is located at the full range sound wave driving in airtight cavity Unit 22, high frequency sound wave driving unit 32) generate reverse phase sound wave, the reverse phase sound wave and front generate direct sound wave phase On the contrary.If reverse phase sound wave and direct sound wave are cancelled out each other in space combination without the airtight cavity, the disappearance of sound wave will lead to.

In above-described embodiment, referring to Fig. 1, at least satisfactory to both parties frequency sounding module 2 is respectively facing and close to the opposite sides of shell Face, a part of sound wave which generates directly are radiated to the outside of shell, another part through omnidirectional's beam orifice 13 Through diffraction, the outside of shell is radiated to by omnidirectional's beam orifice 13 of outer casing frontispiece and the back side.Full range sound wave in the present embodiment Driving unit 22, compared to traditional " loudspeaker ", the angle of radiation of sound wave passes through two be symmetrical set close to 180 ° Full range sounding module 2 can effectively guarantee 360 ° of omnidirectional radiations of the horizontal plane where full range sounding module 2.Further, exist In one specific embodiment of the utility model, referring to Fig. 1, there are four the full range sounding module 2 settings, along the short transverse two of shell Two are symmetrical arranged.Further, it referring to Fig. 5, is offered in first shell 21 and carries out the of paraphase for full range reverse phase sound wave The same lateral position of full range sound wave driving unit 22 is arranged in one paraphase channel 10, the radiation port in the first paraphase channel 10.It considers During vibration, the vibration of opposite in phase can occur full range sound wave driving unit 22 with the back side for front；Wherein, front vibration The raw direct sound wave of movable property penetrates 13 radiation value shell exterior of omnidirectional's beam orifice, and reverse side vibrate caused by reverse phase sound wave will be by It is enclosed in first shell 21.It, can be according to paraphase technical principle, in first shell 21 to make full use of above-mentioned reverse phase sound wave Open up a paraphase hole；Reverse phase sound wave is acted on through first shell 21, then is radiated reverse phase sound wave reverse phase and certainly by paraphase channel 10 Mouth is radiated to the outside of first shell 21, is superimposed, synthesizes with direct sound wave.In this way, the radiation efficiency of full range sounding module 2 is able to It improves, meanwhile, extend the low frequency response of full range sounding module 2.

In the present embodiment, a front towards shell at least in two high frequency sounding modules 3, another is towards shell The back side.The high frequency sound wave driving unit 32 that high frequency sounding module 3 uses, referring to fig. 4, the radiation port of sound wave is in close 180 ° of opening setting, therefore, by two high frequency sound wave driving units 32 towards outer casing frontispiece and the back side, can be realized height 360 ° of omnidirectional radiations of 3 place horizontal plane of frequency sounding module.As one preferred embodiment of the utility model, referring to Fig. 1, the high frequency There are four the settings of sounding module 3, and the height degree direction along shell is oppositely arranged two-by-two, i.e., in the short transverse of shell, two is high Frequency sound wave driving unit 32 is towards the front of shell or the back side；And in the width direction of shell, the driving of two high frequency sound waves is single Member 32 is arranged in a positive and a negative.

In addition, for the bass shock sense of enhancing speaker and simple and honest sense, the omni-directional sound amplifying sound box that the utility model is proposed It is also provided with low frequency sounding module 6 and infra-low frequency sounding module 7 inside the shell.Referring to Fig. 6 and Fig. 7, low frequency sounding module includes The low-frequency sound wave driving unit 62 for having third shell 61 and manifesting from third shell 61, infra-low frequency sounding module 7 include 4th shell 71 and the infra-low frequency sound wave driving unit 72 manifested from the 4th shell 71.Based on low-frequency sound wave driving unit 62 The reverse phase sound wave generated with 72 back side of infra-low frequency sound wave driving unit can be in third shell 61 and the 4th shell using paraphase technology Corresponding paraphase structure is set in the inner cavity of body 71, so that mutually folded with positive direct sound wave after the reverse phase sound wave is inverted Add, to enhance its bass effect.Referring specifically to Fig. 7, the utility model offered in the 4th shell 71 for infra-low frequency sound wave into Two second paraphase channels 20 of row paraphase, the radiation port in two second paraphase channels 20 are separately positioned on close to the opposite of shell side Two sides.

In one preferred embodiment of the utility model, full range sound wave driving unit 22, high frequency sound wave driving unit 32, low frequency Sound wave driving unit 42 and infra-low frequency sound wave driving unit 52 carry out the reduction and playback of sound using diaphragm-vibrating type loudspeaker.Specifically , diaphragm-vibrating type loudspeaker include for providing the magnet of permanent-magnetic field, for radiative acoustic wave sound basin and be set in sound basin On voice coil, when the tone currents signal of diaphragm-vibrating type loudspeaker input alternation, voice coil will be in tone currents and permanent-magnetic field Effect is lower to generate the power for making sound basin axial vibration, the formula of the active force: F=BLI, wherein B: magnetic induction intensity (T), L: sound Enclose the effective length (m) of conducting wire, I: the electric current (A) of flowing through voice coil；Since the tone currents of input is alternating current, electric current side To reversed variation occurs according to certain period, therefore, under the drive of the alternation active force, sound basin does the past of similar piston Multiple movement, and then vibration sounding.Further, the audio signal of input can be the number of the audio-frequency informations such as common carrying music Word or analog electronic signal, while the audio signal with dynamic acoustic control signal can also be received.

As a specific embodiment of the utility model, referring to fig. 2 and Fig. 9, shell include the front cover shell that mutual lid closes 11 and rear casing 12, front cover shell 11 and rear casing 12 are enclosed for installing full range sounding module 2, high frequency sounding module 3, low The accommodating cavity of frequency sounding module 6, infra-low frequency sounding module 7.The accommodating cavity in the short transverse of shell, from top to bottom according to The accommodating of the secondary accommodating space for being divided into high frequency sounding module 3, the accommodating space of full range sounding module 2, low frequency sounding module 6 The accommodating space of space and infra-low frequency sounding module 7 is separated between each accommodating space by a lateral partitions, so that each sounding mould It is mutually indepedent between group, it is non-interference.Further, it referring to Fig. 3 and Fig. 8, is opened up on the front, the back side and two sides of shell There are several grooves 14 being spaced apart, and is used for the omnidirectional's beam orifice for supplying the acoustic wave transmission of each sounding module radiation to exterior space 13 are distributed in the groove 14.The shell of above structure has extremely low acoustic attenuation coefficient, so that through omnidirectional's beam orifice 13 The sound wave for being radiated to exterior space can preferably keep its original energy, so that the propagation distance of sound wave is relatively farther, together When, the sound that user receives is more clear, is loud.Omnidirectional's beam orifice 13 that the utility model is proposed, can also be by cylindricality, grid Shape or other special-shaped pattern compositions；It including has from 10Hz to 40KHz preferable omnidirectional transmit the sound wave of different frequency range Function.

Further, it is the integral radiation efficiency and acoustics that improve speaker, is mentioned in technical solutions of the utility model And first shell 21, second shell 31, third shell 61 and the 4th shell 71 and the accommodating cavity of shell be respectively formed and be used for Resonance and the first cavity 4 of paraphase, the second cavity 5, third cavity 8 and the 4th cavity 9, i.e. first shell 21 and its accommodating space The first cavity 4 formed, the phase and amplitude for carrying out sound wave are modulated, with direct sound wave in external space combination, to 360 ° of side To omnidirectional radiation；Similarly, the second cavity 5, third cavity 8 and the 4th cavity 9 are carried out to the sound wave of each sounding module radiation The modulation of phase and amplitude, finally and direct sound wave is in external space combination, to 60 ° of direction omnidirectional radiation.

In the utility model another preferred embodiment, omni-directional sound amplifying sound box further includes the support base with cage connection 30.Referring to Fig. 1, which includes pedestal and the interconnecting piece being integrally formed on pedestal, which is interspersed in outer It is in shell and fixed, so that speaker can be integrally placed on any horizontal plane by support base 30.

The utility model it is further proposed that a kind of sound system include omni-directional sound amplifying sound box, the omni-directional sound amplifying sound box Specific structure referring to above-described embodiment, since this sound system uses all technical solutions of above-mentioned all embodiments, because This at least has whole technical effect brought by the technical solution of above-described embodiment, and this is no longer going to repeat them.

Above-described is only the part of the utility model or preferred embodiment, and either text or attached drawing all cannot be because The range of this limitation the utility model protection utilizes the utility model under all designs with one entirety of the utility model Equivalent structure transformation made by specification and accompanying drawing content, or directly/be used in other related technical areas indirectly and include In the range of the utility model protection.

Claims (10)

1. a kind of omni-directional sound amplifying sound box, which is characterized in that including shell and be arranged in the shell at least satisfactory to both parties take place frequently Acoustic mode group, at least two high frequency sounding modules；

The sounding mouth of at least satisfactory to both parties frequency sounding module is respectively facing the different zones of the outer girdle circumferential direction, the full range Sounding module includes first shell and the full range sound wave driving unit for being revealed in the first shell side；

The sounding mouth of at least two high frequency sounding modules is respectively facing the different zones of the outer girdle circumferential direction, the high frequency Sounding module includes second shell and the high frequency sound wave driving unit for being revealed in the second shell side；

Several omnidirectional's beam orifices for acoustic irradiation to exterior space are offered on the shell.

2. omni-directional sound amplifying sound box as described in claim 1, which is characterized in that shape between the first shell and the shell At for for from the full range sound wave driving unit full range sound wave carry out paraphase and resonance the first cavity, described second Between shell and the shell formed for for from the high frequency sound wave driving unit high frequency sound wave carry out paraphase with it is humorous Second cavity of vibration.

3. omni-directional sound amplifying sound box as described in claim 1, which is characterized in that further include the low frequency that the interior of shell is arranged Sounding module and infra-low frequency sounding module, the low frequency sounding module include third shell and manifest from the third shell Low-frequency sound wave driving unit, the infra-low frequency sounding module include the 4th shell and manifested from the 4th shell time Low-frequency sound wave driving unit.

4. omni-directional sound amplifying sound box as claimed in claim 3, which is characterized in that shape between the third shell and the shell At for for from the low-frequency sound wave driving unit low-frequency sound wave carry out paraphase and resonance third cavity, the described 4th The progress paraphase of infra-low frequency sound wave and resonance being used for for from infra-low frequency sound wave driving unit are formed between shell and shell 4th cavity.

5. omni-directional sound amplifying sound box as claimed in claim 3, which is characterized in that the high frequency sounding module, full range sounding mould Group, low frequency sounding module and infra-low frequency sounding module are from top to bottom sequentially arranged in the short transverse of speaker；The full range sound Wave driving unit, high frequency sound wave driving unit, low-frequency sound wave driving unit, infra-low frequency sound wave driving unit use diaphragm-vibrating type loudspeaking Device, the diaphragm-vibrating type loudspeaker include for provide the magnet of permanent-magnetic field, for radiative acoustic wave sound basin and be set in institute State the voice coil on sound basin.

6. omni-directional sound amplifying sound box as claimed in claim 3, which is characterized in that the shell includes the front cover shell that mutual lid closes And rear casing, the front cover shell and rear casing are enclosed for installing the full range sounding module, high frequency sounding module, low frequency The accommodating cavity of sounding module and infra-low frequency sounding module；The side of the shell offers several grooves being spaced apart, institute Omnidirectional's beam orifice is stated to be located in the groove.

7. omni-directional sound amplifying sound box as described in claim 1, which is characterized in that offered in the first shell anti-for full range Phase sound wave carries out the first paraphase channel of paraphase, and the radiation port setting in first paraphase channel drives single in the full range sound wave First is ipsilateral.

8. omni-directional sound amplifying sound box as claimed in claim 3, which is characterized in that offer in the 4th shell for infra-low frequency Reverse phase sound wave carries out two second paraphase channels of paraphase, and the radiation port in the two second paraphase channel is separately positioned on close to described The opposite sides of shell side.

9. omni-directional sound amplifying sound box as claimed in any one of claims 1 to 8, which is characterized in that further include connecting with the shell The support base connect.

10. a kind of sound system, which is characterized in that including omni-directional sound amplifying sound box as described in any one of claim 1 to 9.