CN209105410U

CN209105410U - Multipurpose sound column

Info

Publication number: CN209105410U
Application number: CN201822020471.5U
Authority: CN
Inventors: 董彬
Original assignee: Guangzhou Hehe Audio Industry Co Ltd
Current assignee: Guangzhou Hehe Audio Industry Co Ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2019-07-12
Anticipated expiration: 2028-11-28

Abstract

The utility model discloses a kind of multipurpose sound columns, it is related to the technical field of loudspeaker, the main points of its technical scheme are that: the combination bugle formed including two symmetrical off-axis formula bugles, off-axis formula bugle includes amplifying tube, amplifying tube includes logical sound tube and amplifier tube, and the amplifier tube includes amplifying bottom plate and section as the amplification panel of arc, leads to sound bottom plate and logical sound panel integrally connected into logical sound tube, the section of amplifier tube and logical sound tube is semicircle, and reflecting plate is fixedly connected on logical sound bottom plate.The utility model solves the technical problem of the sound having time difference of two that the hearer as caused by the influence of the sound equipment positional relationship of two different frequency domains hears different frequency domains, has the advantages that reduce the time difference between the sound of two frequency domains by the splicing of two off-axis formula bugles.

Description

Multipurpose sound column

Technical field

The utility model relates to the technical field of loudspeaker, in particular to a kind of multipurpose sound column.

Background technique

Bugle is the device in loudspeaker for the big volume in side.

Bugle is by the device of sound dispersion, and there is a voice input mouth and sound to issue mouth for it, in existing bugle The vibration piece of loudspeaker is placed on input port, the sound of loudspeaker is amplified sound dispersion by bugle.

Sound column is to install multiple loudspeaker, and be arranged side by side along the vertical direction in a columnar cabinet.

Linear array speaker is also referred to as linear permutation loudspeaker.More speakers can be combined into an amplitude having the same and phase The speaker of the voice box group (linear array group) of position is called linear array speaker.Linear array is one group of radiation for being arranged in a straight line, being spaced closely together Unit, and amplitude having the same and phase.Linear array speaker is mainly used for the places such as megaevent, large-scale performance scene.

The shortcomings of the prior art is: the volume and quality of linear array speaker are larger, carry and install It is inconvenient.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is that: a kind of multipurpose sound column is provided, it passes through Two symmetrical sound columns are combined into linear array speaker, have the advantages that carry, install more easily.

Above-mentioned technical purpose is achieved through the following technical solutions, a kind of multipurpose sound column, including cylinder and vertical At least two woofers being fixed on cylinder side by side, and vertically be fixed on side by side on cylinder with woofer quantity phase With off-axis formula bugle, the off-axis formula bugle includes amplifying bugle, the bugle that amplifies include interconnected logical sound tube with And amplifier tube, lead to sound tube far from amplifier tube one end and sound source loudspeaker are set, the logical sound tube and the axis of the amplifier tube be not total Line, the sound source loudspeaker are high-pitched speaker, and the high-pitched speaker is located at logical sound tube close to woofer side, and the amplifier tube is remote On the internal wall of the cylinder from high-pitched speaker side patch.

Through the above technical solutions, two symmetrical cylinders are stitched together, the amplifier tube on two cylinders is mutually leaned on Closely, linear array speaker will be formed, due to the bending of off-axis formula bugle, and amplifier tube is attached on sound equipment side wall, so, two sound columns Corresponding off-axis formula bugle will form a bugle, and the loudspeaker of vertical direction are conllinear after two sound columns can be allowed to splice, and form line Battle array speaker, opposite relatively fixed with linear array speaker by the combination of two sound columns, installation, transport are all more convenient.

Further, the reflecting plate for reflecting sound from amplifier tube is provided in the bugle that amplifies.

Through the above technical solutions, come out the sound that sound source loudspeaker issue by baffle reflection by reflecting plate, from Amplifier tube issues, and can reduce sound in the loss of the corner for the bugle that amplifies, improve the efficiency of voice transmission.

Further, the reflecting plate is fixedly connected on logical sound tube and amplifier tube intersection.

Through the above technical solutions, radial shield caused by sound wave shock and expansion can be reduced by being fixedly connected for reflecting plate Relative movement between sound bugle, and then the movement of the transmission direction of sound is reduced, allow the recipient of sound to receive lasting sound Wave.

Further, the sound that sound source loudspeaker are issued is parallel to amplifier tube far from sound source by the reflection direction of reflecting plate Loudspeaker side.

Through the above technical solutions, by sound close to amplifier tube far from sound source loudspeaker side issue can, allow the biography of sound It broadcasts that direction is more stable, in the use process of practical sound equipment, generally has at least two loudspeaker and be used in conjunction with, one of them is High-pitched speaker, another is woofer, and two loudspeaker distances are closer, and the interference of sound wave is with regard to smaller, by sound from amplifier tube Side issues, it will reduces sound and issues position at a distance from another loudspeaker, reduces the interference of sound.

Further, the amplifier tube includes curved panel and connecting plate, and the connecting plate, which is detachably fixed, to be connected to On curved panel, the reflecting plate is fixedly connected on the intersection of curved panel and communicating pipe.

Through the above technical solutions, being detachably fixed connection and can facilitate and remove connecting plate by connecting plate, two Off-axis formula bugle can be spliced into a bugle, or by an off-axis formula bugle splicing on the side wall of another sound equipment, energy The distance between two loudspeaker are enough reduced, reduce the interference of sound wave, while splicing more convenient.

Further, integrally connected between the reflecting plate and the bugle that amplifies.

Through the above technical solutions, the production of integrally connected, cost is relatively low for processing method.

Further, Nian Jie by glue between the reflecting plate and the bugle that amplifies.

Through the above technical solutions, can change the reflection direction of reflecting plate after production by way of bonding, allow The fixed angle of reflecting plate is more accurate, and can be as needed, adjusts the reflection direction of reflecting plate.

The utility model has following technical effect that in summary

1, the not conllinear logical sound tube of axis and amplifier tube are arranged to by the bugle that will amplify, it can be upward by sound source loudspeaker It tilting, that is, sound source loudspeaker are located above the bugle that amplifies, when amplifier tube is horizontally arranged or slightly upwardly tilts, sound source loudspeaker energy Enough it is higher than amplifier tube far from sound source loudspeaker one end, and then reduces the erosion diffused in sound source loudspeaker due to rainwater；

2, by the setting of reflecting plate, sound can greatly be spread out of out of amplify bugle, is reduced due to expanding The influence that voice transmission efficiency caused by the bending of sound bugle reduces, meanwhile, the angle setting of reflecting plate allows sound along connection Plate is sent out, and after connecting plate is removed, two amplifier tubes form a pipelines, and sounding position is at the center of new pipeline, The sounding position after forming linear array sound equipment is allowed to be on a vertical line；

3, by by amplifier tube be arranged to amplify panel and connecting plate be detachably fixed connection and voice directions are parallel In connecting plate, it can allow and amplify bugle conveniently with the bugle splicing that amplifies on another sound column, reduce general in actual use The problem of limitation of bugle shape is caused with a certain distance is received between the two neighboring sound source of logical bugle, amplify bugle with Woofer can reduce the interference of two sound waves apart from closer.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment 1；

Fig. 2 is the schematic diagram of internal structure of embodiment 1；

Fig. 3 is the acoustic wave propagation path schematic diagram in embodiment 1；

Fig. 4 is the structural schematic diagram of embodiment 2；

Fig. 5 is the structural schematic diagram that bugle is combined in embodiment；

Fig. 6 is the portion the A enlarged drawing in Fig. 4；

Fig. 7 is the structural schematic diagram that combination bugle removes connecting plate in embodiment 2；

Fig. 8 is the portion the B enlarged drawing in Fig. 7；

Fig. 9 is the schematic diagram of embodiment 3；

Figure 10 is the schematic diagram of internal structure of embodiment 3；

Figure 11 is the structural schematic diagram of embodiment 4；

Figure 12 is spliced into the structural schematic diagram of linear array for two multipurpose sound columns in embodiment 4.

Appended drawing reference: 1, amplify bugle；10, lead to sound tube；11, amplifier tube；110, curved panel；111, connecting plate；112, Sliding slot；113, jackscrew；2, sound source loudspeaker；3, reflecting plate；4, cabinet；5, woofer；50, pelvis；6, high-pitched speaker；60, bone Film；7, cylinder.

Specific embodiment

Embodiment 1, a kind of off-axis formula bugle, referring to Fig.1, including sound source loudspeaker 2, and the bugle 1 that amplifies, amplify bugle 1 Section can be preferably circular in the present embodiment for rectangle, circle, ellipse etc..

The bugle 1 that amplifies includes the amplifier tube 11 of logical sound tube 10 and connection in logical sound tube 10, leads to sound tube 10 and amplifier tube The angle beta formed between 11 is not equal to 180 °, and sound source loudspeaker 2 are fixedly connected on logical sound tube 10 far from 11 one end of amplifier tube.

Referring to Fig. 2, reflecting plate 3 is fixedly connected between logical sound tube 10 and amplifier tube 11, sound is after the sending of sound source loudspeaker 2 It is issued by the reflection of reflecting plate 3 from amplifier tube 11.Reflecting plate 3 can be with the bugle 1 that amplifies by the way that glue is Nian Jie or reflecting plate 3 With 1 integrally connected of bugle that amplifies, a reflecting plate 3 and 1 integrally connected of bugle that amplifies are selected in the present embodiment.

Referring to Fig. 3, sound source loudspeaker 2 are made a sound, and sound is propagated along logical sound tube 10, by when reflecting plate 3 that sound is anti- It injects into amplifier tube 11, volume is spread and released by amplifier tube 11.The bore of the one end of amplifier tube 11 far from logical sound tube 10 Greater than the bore of amplifier tube 11 and logical 10 junction of sound tube.

Referring to Fig. 3, sound source loudspeaker 2 make a sound direction and 3 angulation α of reflecting plate is 20 °, and sound wave passes through reflecting plate 3 Reflected ray and incident ray angle β be 140 °, the sound wave direction of the launch is parallel to logical sound tube 10, at this time the reflected ray direction of sound It is parallel to the sideline in 11 outside of amplifier tube.

Reflecting plate 3 is rounded close to 1 one side of bugle that amplifies, and the diameter of reflecting plate 3 is R1, the periosteum 60 on sound source loudspeaker 2 For circle, the diameter of periosteum 60 is R2, R2=R1sin20 °.At this point, the sound that sound source loudspeaker 2 are issued, just by reflecting plate 3 The outer edge that the sound for receiving and reflecting, and reflect is attached to amplifier tube 11 issues, and issues after amplifier tube 11 is by sound dispersion.

Reflecting plate 3 facilitates to amplify and bonding between bugle 1 and reflecting plate 3 or integrally connects close to the fitting of bugle 1 that amplifies It connects.

Specific implementation process, when in use, amplifier tube 11 is horizontal positioned, horizontally toward by voice directions for off-axis formula bugle Spectators prevent rainwater from penetrating into sound source loudspeaker 2, sound after amplifier tube 11 at this point, sound source loudspeaker 2 are located at the top of amplifier tube 11 From sound source loudspeaker 2 issue, after by reflecting plate 3 reflection along amplifier tube 11 far from 2 side of sound source loudspeaker issue.

Embodiment 2, the present embodiment difference from example 1 is that, referring to Fig. 4, the cross section of amplifier tube 11 can be with For circle, semicircle, ellipse, rectangle etc., preferably semicircle, the plane side of amplifier tube 11 are connecting plate in the present embodiment 111, positioned at the separate sound source loudspeaker side of amplifier tube 11.

Referring to Fig. 5, a kind of combination bugle, including two off-axis formula bugles, the sound source loudspeaker of two off-axis formula bugles are mutual Deviate from, two amplifier tubes 11 are bonded to each other far from sound source loudspeaker side, and the plane side of two sound source loudspeaker is bonded to each other to be formed One combination bugle, combination bugle tool is there are two sound source loudspeaker 2, in the present embodiment, two sound source loudspeaker 2, and a selection high pitch Loudspeaker 6, another selects woofer, and the frequency domain of two loudspeaker is differently formed a Full-frequency trumpet.

The pronunciation direction of two off-axis formula bugles is to issue close to 111 side of connecting plate, and along connecting plate 111.Two Form a combination bugle after the splicing of a amplifier tube 11, combine the pronunciation opening's edge of bugle combine the center of bugle, Neng Goufa Better sound effect out, while also there is better effect to the diffusion of sound.

One off-axis formula bugle can be used alone, and two off-axis formula bugles can be applied in combination, and use is more flexible, together When, it when two off-axis formula bugles are applied in combination, combines a high-pitched speaker 6 and a woofer 5, so that it may be formed complete Frequency loudspeaker.Relative to a high-pitched speaker 6 and a woofer 5 are put together, the sound for issuing full range reduces two The distance between loudspeaker, and then reduce influence of the acoustic interference occurred between two loudspeaker to audio.

Referring to Fig. 6, Fig. 7, Fig. 8, amplifier tube 11 includes curved panel 110 and connecting plate 111, connecting plate 111 and arc Connection is detachably fixed between panel 110, the two sides of curved panel 110 offer sliding slot 112, and the sliding of connecting plate 111 is connected to In sliding slot 112,110 outside of curved panel is correspondingly connected with 111 position of plate and is threaded with jackscrew 113, and jackscrew 113 passes through arc Panel 110 is connected on the side of connecting plate 111, by elastic jackscrew 113, can be torn connecting plate 111 from amplifier tube 11 open It unloads down, it is easy to operate.The connecting plate 111 of two off-axis formula bugles is disassembled, combination bugle is spliced into, reduces combination When bugle sounding, influence of the connecting plate 111 to sounding, the sound that two loudspeaker are issued is from one be made of two bugles A outlet sound mouth issues, and can be further reduced the interference of two sound sources, improve the audio of sound.

The connecting plate 111 of two off-axis formula bugles is placed with together by specific implementation process, forms a combination bugle. Two loudspeaker sounding simultaneously, in two loudspeaker one be high-pitched speaker 6 another be woofer 5, formation full frequency-domain loudspeaker, sound Sound is issued from loudspeaker, by the reflection of reflecting plate 3, is issued along connecting plate 111, and by amplifier tube 11 by sound dispersion, and two A loudspeaker respectively send out sound along the intermediate position of the sounding mouth of combination bugle by respective reflecting plate 3 after making a sound Out, the interference between two sound sources is reduced, it is more preferable to sounding effect.

Embodiment 3, the present embodiment are in the difference of embodiment 1: referring to Fig. 9, a kind of Waterproof sound, including cabinet 4, one A off-axis formula bugle and a woofer 5, the loudspeaker of off-axis formula bugle are selected as high-pitched speaker 6, total with woofer 5 With one Full-frequency stereo of composition.

Sound equipment in use, when apart from sound recipient farther out, is generally hung in eminence, in sound recipient's distance Sound equipment farther out when, be generally placed upon on ground, when sound equipment is put it on the ground, the direction that generally sound equipment is spoken is set as being tilted towards On, if being easily accessible rainwater in outdoor application, the pelvis of woofer 5 is larger, and also more thick and heavy, the erosion of rainwater is to its shadow It rings less, still, the periosteum 60 of Horn is general relatively thin, and its vibration frequency is higher, after rain erosion, it will influence it Tone color, since it becomes weight, frequency will reduce the periosteum 60 on the one hand to get wet, meanwhile, the periosteum 60 after excessive erosion may It can get rusty, be affected to the audio of sound.

In the present embodiment, referring to Fig.1 0, Horn is selected into the off-axis formula bugle in embodiment 1, amplifier tube 11 it is remote It is fixedly connected from 6 one end of high-pitched speaker with the pronunciation face of sound equipment, can be bonded, with screw or can be bolted, this reality with glue Applying in example is preferably glue bonding.Woofer is located at the lower section positioned at high-pitched speaker 6 of cabinet 4.

Embodiment 4, the present embodiment the difference from example 2 is that: a kind of multipurpose sound column, referring to Fig.1 1, including cylinder 7 And it is mounted side by side on the intracorporal multiple Horns of column and multiple woofers 5 being mounted side by side with Horn vertically, Horn selection is the off-axis formula bugle in embodiment 2, and the loudspeaker of off-axis formula bugle are selected as high-pitched speaker 6, the present embodiment The quantity of middle off-axis formula bugle and woofer is selected as three.

Connecting plate 111 in off-axis formula bugle is located at amplifier tube 11 far from 5 side of woofer, and is attached to the remote of cylinder 7 From on the side wall of woofer.

Referring to Fig.1 2, two symmetrical multipurpose sound columns are stitched together, and linear array sound equipment are formed, in actual application In, the volume and quality of linear array are all very big, carry and installation is simultaneously inconvenient, spliced by two symmetrical multipurpose sound columns Together, effect identical with linear array can be reached.Facilitate installation, facilitate carrying.

Specific implementation process first beats a multipurpose sound column on stage to be installed, by connecting plate 111 from amplifier tube It is disassembled on 11, another is spelled with the symmetrical multipurpose sound column of the multipurpose sound column in good and sound multipurpose sound column On, it is capable of forming linear array sound equipment, it is easy for installation.In use, since the direction of the launch of sound is reflected towards close to cylinder by reflecting plate 3 The 7 side wall sides far from woofer 5, the sound that multiple high-pitched speakers 6 can be allowed to issue are reduced more on the same vertical line The distance of a 6 sounding of high-pitched speaker, and then the acoustic interference between two high-pitched speakers 6 is reduced, improve the audio of sound.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of multipurpose sound column, it is characterised in that: be fixed on cylinder (7) side by side at least including cylinder (7) and vertically Two woofers (5), and the off-axis formula number identical with woofer (5) quantity being fixed on side by side on cylinder (7) vertically Angle, the off-axis formula bugle include amplifying bugle (1), the bugle that amplifies (1) include interconnected logical sound tube (10) and Amplifier tube (11), lead to sound tube (10) far from amplifier tube (11) one end setting sound source loudspeaker (2), the logical sound tube (10) with it is described The axis of amplifier tube (11) is not conllinear, and the sound source loudspeaker (2) are high-pitched speaker (6), and the high-pitched speaker (6) is located at logical sound tube (10) close to woofer (5) side, the amplifier tube (11) is attached on the inner wall of cylinder (7) far from high-pitched speaker (6) side.

2. multipurpose sound column according to claim 1, it is characterised in that: be provided in the bugle that amplifies (1) for inciting somebody to action The reflecting plate (3) that sound is reflected from amplifier tube (11).

3. multipurpose sound column according to claim 2, it is characterised in that: the reflecting plate (3) is fixedly connected on logical sound tube (10) with amplifier tube (11) intersection.

4. multipurpose sound column according to claim 3, it is characterised in that: the sound that sound source loudspeaker (2) are issued is by anti- The reflection direction for penetrating plate (3) is parallel to amplifier tube far from sound source loudspeaker (2) side.

5. multipurpose sound column according to claim 4, it is characterised in that: the amplifier tube (11) includes curved panel (110) and connecting plate (111), the connecting plate (111), which is detachably fixed, to be connected on curved panel (110), the reflection Plate (3) is fixedly connected on the intersection of curved panel (110) and logical sound tube (10).

6. multipurpose sound column according to claim 2, it is characterised in that: between the reflecting plate (3) and the bugle that amplifies (1) Integrally connected.

7. multipurpose sound column according to claim 2, it is characterised in that: the reflecting plate (3) and the bugle that amplifies (1) Between pass through glue be bonded.