CN209120442U - Sound diffusion sound equipment - Google Patents

Abstract

The utility model relates to a kind of sound diffusion sound equipments, including cabinet, cabinet is provided with the first outlet sound mouth and the second outlet sound mouth, first outlet sound mouth and the second outlet sound mouth are towards identical, first outlet sound mouth is communicated with the first transaudient channel into cabinet, and loudspeaker is equipped in the first transaudient channel, and the frame of loudspeaker is provided with several sound transmission apertures, the second transaudient channel is communicated between first transaudient channel and the second outlet sound mouth, the second transaudient channel is arranged in cabinet.By above-mentioned setting, the sound wave for generating loudspeaker was both propagated outward from the first outlet sound mouth, was propagated also by the first transaudient channel into cabinet.When the quarter-wave of a certain frequency of sound wave is equal to the second transaudient passage length, air in second transaudient channel will generate resonance, end the sound wave other than the frequency, then send out from the second outlet sound mouth and be superimposed with the first outlet sound mouth, keeps the sound wave loudness of the specific frequency bigger.

Description

Sound diffusion sound equipment

Technical field

The utility model relates to the technical fields of sound equipment, more particularly, to a kind of sound diffusion sound equipment.

Background technique

Generally at 40 hertz -500 hertz, general sound equipment is difficult to cover all the bass frequency range of existing loudspeaker Range, be divided into medium and high pitch loudspeaker, woofer etc. generally according to the shape of loudspeaker.

Combination audio mostly uses the combined method of high pitch loudspeaker one woofer of collocation at present, but because low Sound area is not full enough, so need to arrange in pairs or groups two woofers to meet the needs of bass area, two woofers of arranging in pairs or groups Higher cost, there are rooms for improvement.

Utility model content

In view of the deficienciess of the prior art, having makes the purpose of this utility model is to provide a kind of sound diffusion sound equipment The function that sound equipment specific frequency sound increases.

To achieve the above object, the utility model provides following technical solution:

A kind of sound diffusion sound equipment, including cabinet, the cabinet are provided with the first outlet sound mouth and the second outlet sound mouth, and described first goes out Towards identical, first outlet sound mouth is communicated with the first transaudient channel, institute into the cabinet for sound mouth and second outlet sound mouth State and loudspeaker be installed in the first transaudient channel, the frame of the loudspeaker is provided with several sound transmission apertures, described first it is transaudient it is logical with The second transaudient channel is communicated between second outlet sound mouth, the second transaudient channel is arranged in cabinet.

By above-mentioned setting, loudspeaker be arranged in the first transaudient channel, and the frame of loudspeaker be provided with it is several transaudient Hole, the sound wave for generating loudspeaker vibration are propagated to the positive and negative both direction of loudspeaker, both propagated from the first outlet sound mouth, and also led to outward The first transaudient channel is crossed to propagate into cabinet；First transaudient channel is communicated with the second transaudient channel, and the second transaudient channel is communicated with With the first outlet sound mouth towards identical second outlet sound mouth, so that the sound wave for generating loudspeaker into cabinet is transaudient logical through first It is sent out after the second outlet sound mouth behind road, the second transaudient channel.When sound wave is propagated in the second transaudient channel, when sound wave is a certain When the quarter-wave of frequency is equal to the second transaudient passage length, the air in the second transaudient channel will generate resonance, end Other sound waves in addition to the frequency only send out the sound wave of the frequency from the second outlet sound mouth, and issue with the first outlet sound mouth Sound wave superposition, play reinforce the frequency sound waves function.So as to pass through the length for changing the second transaudient channel, by loudspeaking The specific frequency for the sound wave that device is propagated into cabinet amplifies, and can amplify the bass of loudspeaker according to the needs of users Effect.To which a woofer need not be further added by, it is also possible to obtain preferable bass acoustical quality.

The utility model is further arranged, and the second transaudient channel internal diameter is from the described first transaudient channel to described second Outlet sound mouth increase setting.

By above-mentioned setting, the sound wave that loudspeaker is transmitted into cabinet is issued through the second transaudient channel from the second outlet sound mouth, The internal diameter in the second transaudient channel is set as being gradually increased from the first transaudient channel to the second outlet sound mouth direction, i.e., internal diameter is along sound wave Direction of transfer increases, and so that the second transaudient channel is played the role of bugle, makes around specific frequency within the scope of certain frequency Sound wave can also issue, to keep the sound issued from the second transaudient channel simpler and more honest, to make the sound of specific frequency more It is full, meet the needs of user；And internal diameter is gradually increased the sound that can also be issued to the second outlet sound mouth and plays diffusion work With keeping spread scope wider.

The utility model is further arranged, the second transaudient round and smooth bending setting in channel.

By above-mentioned setting, because the second outlet sound mouth and the first outlet sound mouth are towards identical, the second transaudient channel bending setting Guiding role can be played to sound wave, sound wave is conducted to the second outlet sound mouth and is issued.The second transaudient round and smooth bending in channel is arranged, Sound wave diffusing reflection in the second transaudient channel can be reduced, influence of the sound wave diffusing reflection to sound intensity is reduced, to improve sound Matter.

The utility model is further arranged, and the second transaudient channel turning is fixed with reflecting plate.

By above-mentioned setting, it is fixed with reflecting plate at the second transaudient channel turning, reflecting plate can be glass, smooth surface gold The materials such as belong to, by the way that the tilt angle of reflecting plate is arranged, the sound wave of the first transaudient channel transmitting can preferably be reflexed to the Two outlet sound mouths, and sound is reduced in the energy consumption at turning, to improve the sound quality that the second outlet sound mouth makes a sound.

The utility model is further arranged, and first outlet sound mouth and second outlet sound mouth are generally aligned in the same plane.

By above-mentioned setting, because human ear has binaural effect, by the way that the first outlet sound mouth and the setting of the second outlet sound mouth are existed Same plane can reduce the deviation of two distances between sound source and audience as far as possible, reduce the spacing of two sound sources and audience From deviation, it is possible to reduce the sound of two sound sources reaches the time difference of audience's ears, it is not easy to generate folded sound or delay, improve Listener experiences.

The utility model is further arranged, and the body side is formed through through-hole, and the through-hole is located at described first and passes Between sound channel and the second transaudient channel.

By above-mentioned setting, perforation is provided with through-hole between the first transaudient channel and the second transaudient channel, and through-hole is set The weight that can reduce sound equipment, easy to carry, transport, lifting etc. are set, and the setting of through-hole is different from the acoustic structure now Some acoustic structures, it is stronger to the vision perception impact of spectators and user.The setting of through-hole can also be convenient for user Apply additional fixation to sound equipment, be such as socketed the through-hole of the sound equipment and vertical column, through-hole is passed through for the sound by rope Suspension etc. is rung, to increase the practicability of the sound equipment.

The utility model is further arranged, and the through-hole both ends are removably connected with the gear concordant with the body side Plate.

By above-mentioned setting, through-hole both ends are covered by the way that the baffle being detachably connected is arranged, can be somebody's turn to do in bulk transport When sound equipment, through-hole both ends are covered, keep the side of the sound equipment more smooth, is suitble to stack the sound equipment and place, to reduce The probability of the sound equipment is damaged in transportational process.When some more serious occasions use the sound equipment, can will be led to by baffle Hole both ends cover, and the atmosphere of occasion is used in combination.

The utility model is further arranged, and the second transaudient channel bore is from the described first transaudient channel to described second Outlet sound mouth uniformly increases.

By above-mentioned setting, the second transaudient channel bore is set as uniformly increasing from the first transaudient channel to the second outlet sound mouth Greatly, it is possible to reduce sound wave energy loss caused by the collision in the second transaudient channel, to further improve the sound equipment Sound quality.

The utility model is further arranged, and the length range in the second transaudient channel is 0.17 meter to 2.13 meters.

By above-mentioned setting, the length in the second transaudient road is set, is able to achieve and certain bass frequencies is amplified.Because of bass Frequency range be 40-500 hertz, it is 340m/s that the common velocity of sound, which calculates size, to calculate any bass of satisfaction amplification The length range in the transaudient road of the second of frequency is 0.17 meter to 2.13 meters, in the range by the length setting in the second transaudient road, It can be realized and certain frequency bass of loudspeaker is amplified, and then improve the bass effect of the sound equipment, thus without using height The mode of sound loudspeaker and woofer cooperation, is able to achieve the effect for keeping sound equipment sound quality full, reduces production cost.

In conclusion the utility model has the following beneficial effects:

1. being provided with the first transaudient channel and second in cabinet by the way that coplanar the first outlet sound mouth and the second outlet sound mouth is arranged Transaudient channel, the first transaudient channel are connected to the first outlet sound mouth, and the second transaudient channel is connected to the second outlet sound mouth, and first passes Sound channel is connected in cabinet with the second transaudient channel, and loudspeaker is arranged in the first transaudient channel and just speaks facing towards first Mouthful.When speaker operation, the sound wave issued backward is sent out via behind the first transaudient channel, the second transaudient channel from the second outlet sound mouth Out, according to the length in the second transaudient channel of setting, the second transaudient channel can be made to put the sound wave of specific frequency in sound wave Greatly.If setting 2.13 meters for the second transaudient channel, 40 hertz of bass can be amplified, then be sent out from the second outlet sound mouth Cooperate out with the first outlet sound mouth, to keep the sound of loudspeaker fuller, compensate for the deficiency of loudspeaker itself, is improving sound While matter, the cost using multiple woofers is reduced；

2. by setting the second transaudient round and smooth bending in channel, and the internal diameter in the second transaudient channel from the first transaudient channel to Second outlet sound mouth uniformly increases.To realize the change to sound wave direction, and it is reduced as far as the second transaudient channel pair The loss of sound wave；Second transaudient channel internal diameter uniformly increases, and by the principle of bugle, increases the sound wave within the scope of certain frequency, To which the sound for issuing the second outlet sound mouth is fuller；

3. reflecting plate uses the material of low sound-absorbing, realizes by being fixed with reflecting plate in the corner in the second transaudient channel Reflection to sound wave in the second transaudient channel, and it is further reduced absorption of the second transaudient channel to sound wave；

4. by being through with through-hole in body side, through-hole is arranged between the first transaudient channel and the second transaudient channel, Through-hole is removably connected with baffle, and baffle outer surface is concordant with body side.It is kept off to which selection can be dismounted in different occasions Plate, to meet the atmosphere at scene；And the setting of through-hole can make the sound equipment be easier fixed and lifting.

Detailed description of the invention

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

Fig. 2 is the structural schematic diagram after the disassembly baffle of embodiment 1；

Fig. 3 is the cross-sectional view of embodiment 1；

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

Fig. 5 is the structural schematic diagram of baffle in embodiment 1；

Fig. 6 is the cross-sectional view of embodiment 2.

Appended drawing reference: 1, cabinet；12, the first outlet sound mouth；13, the second outlet sound mouth；21, the first transaudient channel；22, it second passes Sound channel；3, loudspeaker；31, frame；32, sound transmission aperture；4, reflecting plate；5, through-hole；51, groove；6, baffle；61, convex block.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment 1:

As shown in Figure 1 to Figure 3, a kind of sound diffusion sound equipment disclosed by the utility model, the cabinet 1 including rectangle, cabinet 1 One side is provided with coplanar the first outlet sound mouth 12 and the second outlet sound mouth 13, and the first transaudient channel 21 and curved is additionally provided in cabinet 1 The second bent transaudient channel 22, first transaudient 21 one end of channel are connected to the first outlet sound mouth 12, the other end and the second transaudient channel 22 connections, second transaudient 22 other end of channel are connected to the second outlet sound mouth 13.It is provided with loudspeaker 3 in first transaudient channel 21, For loudspeaker 3 just facing towards the first outlet sound mouth 12, the frame 31 of loudspeaker 3 is provided with several sound transmission apertures 32, to make the sound of loudspeaker 3 Wave is realized to front and back two-way propagation, both from the outside sounding of the first outlet sound mouth 12, also via the first transaudient channel 21, second From the outside sounding of the second outlet sound mouth 13 behind transaudient channel 22.

The second round and smooth bending in transaudient channel 22 setting, and the bore in the second transaudient channel 22 from the first transaudient channel 21 to Second outlet sound mouth 13 uniformly increases, i.e., the second transaudient 22 internal diameter of channel uniformly increases out of cabinet 1 to the second outlet sound mouth 13.Pass through The principle of bugle can amplify the sound wave of the certain frequency range in the second transaudient channel 22, send out the second outlet sound mouth 13 Sound out is fuller, and internal diameter is gradually increased the sound that can also be issued to the second outlet sound mouth 13 and plays diffusion, makes Spread scope is wider.

1 two opposite sides of cabinet are also through with through-hole 5, and through-hole 5 is transaudient perpendicular to the first transaudient channel 21 and second Plane setting where channel 22,5 position of through-hole is arranged between the first transaudient channel 21 and the second transaudient channel 22, by setting The through-hole 5 is set, can make the sound equipment in carrying, lifting, transport, fixation procedure, there is better impetus, it can be by additional Fixing piece pass through through-hole 5 by the sound equipment carry out horizontal direction displacement restriction, or by additional rope etc. pass through through-hole 5 The sound equipment is subjected to suspension installation etc..And the setting for passing through through-hole 5 makes the sound equipment be different from existing acoustic structure, has Higher identification uses in occasion such as bar of some trends etc., more compound scene atmosphere.

The length range that the second transaudient channel 22 is arranged is 0.17 meter to 2.13 meters, the original loaded according to a quarter standing wave Reason, when the quarter-wave of a certain frequency of sound wave is equal to the second transaudient 22 length of channel, the air column in pipe will be generated Resonance has ended other sound waves in addition to the sound wave of the specific frequency, then has been issued and the first outlet sound mouth by the second outlet sound mouth 13 12 sound wave superposition, keeps the sound intensity of the frequency bigger.To keep the bass effect of loudspeaker 3 fuller, and then can not Preferable bass is also able to achieve using multiple groups woofer and goes out sound effective value, is 40 hertz -500 hertz according to bass frequency range It can obtain, in the case of velocity of sound takes common evaluation 340m/s, [340/ (4*40)]=2.13, [340/ (4*500)]= 0.17.So as to the pursuit according to user to bass effect, suitable length is chosen into the second transaudient channel 22, to specific Bass frequencies amplify, the sound for releasing sound equipment is fuller, and then sound quality is improved in the case where reducing cost.

The implementation principle of the present embodiment are as follows:

When installing the sound equipment, the frame of loudspeaker 3 is provided with several sound transmission apertures 31, and loudspeaker 3 is mounted on first In transaudient channel 21.Round and smooth setting and the material using low sound-absorbing effect in first transaudient channel 21 and the second transaudient channel 22. For the Design of length in the second transaudient channel 22 in the range of 0.17 meter to 2.13 meters, realization ends other in addition to certain specific frequency Sound wave only sends out the sound wave of the frequency from the second outlet sound mouth 13, and the sound wave issued with the first outlet sound mouth 12 is superimposed, and rises To the function of reinforcing the frequency sound waves.

Embodiment 2:

The present embodiment the difference from embodiment 1 is that, as shown in Figures 4 to 6, be fixed with reflection in the second transaudient channel 22 Plate 4, reflecting plate 4 tilt certain angle relative to the first transaudient channel 21 and the second transaudient channel 22, and tilt angle is 45 °, after sound wave is reflected from the first transaudient channel 21 via reflecting plate 4, the angle of emergence the second outlet sound mouth 13 of direction, reflecting plate 4 Material can be glass, the metal material of smooth surface, the material etc. of low sound-absorbing effect.So as to reduce sound wave in the second transaudient channel Energy loss when propagating in 22, the sound for issuing the second outlet sound mouth 13 is fuller, and then realizes the entirety for improving sound equipment Sound quality.

The baffle 6 that 5 two sides of through-hole are additionally provided with shape respectively and through-hole 5 cooperates, baffle 6 are fixed close to the side of through-hole 5 There are four convex block 61, cabinet 1 has the groove 51 mating with convex block 61, convex block 61 and groove close to the outside of baffle 6 recess 51 interference fits, to realize the mating of baffle 6 and cabinet 1, by baffle 6 by two end shields of through-hole 5, and baffle 6 lateral surfaces are concordant with 1 lateral surface of cabinet.So as to the through-hole 5 of sound equipment two sides be used and is kept off when in high volume transporting the sound equipment Plate 6 covers and keeps 1 lateral surface of cabinet concordant, can be convenient the stacking of sound equipment, improves the stability of sound equipment during transportation, subtracts The probability damaged in few transportational process；And the sound equipment is used in some more serious occasions, can will be led to by baffle 6 Hole 5 is covered, and makes the sound equipment overall structure with meeting live atmosphere close to common sound equipment.

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 (9)

1. a kind of sound diffusion sound equipment, including cabinet (1), it is characterized in that: the cabinet (1) is provided with the first outlet sound mouth (12) and second Outlet sound mouth (13), first outlet sound mouth (12) and second outlet sound mouth (13) are towards identical, first outlet sound mouth (12) It is communicated with the first transaudient channel (21) into the cabinet (1), loudspeaker (3) are installed in the first transaudient channel (21), The frame (31) of the loudspeaker (3) is provided with several sound transmission apertures (32), the described first transaudient logical and second outlet sound mouth (13) Between be communicated with the second transaudient channel (22), second transaudient channel (22) setting is in cabinet (1).

2. sound diffusion sound equipment according to claim 1, it is characterized in that: the internal diameter of the second transaudient channel (22) is from described First transaudient channel (21) the second outlet sound mouth of Xiang Suoshu (13) increase setting.

3. sound diffusion sound equipment according to claim 1, it is characterized in that: the second transaudient round and smooth bending of channel (22) is set It sets.

4. sound diffusion sound equipment according to claim 3, it is characterized in that: second transaudient channel (22) corner is fixed with Reflecting plate (4).

5. sound diffusion sound equipment according to claim 1, it is characterized in that: first outlet sound mouth (12) and described second is spoken Mouth (13) is generally aligned in the same plane.

6. sound diffusion sound equipment according to claim 1, it is characterized in that: the cabinet (1) side is formed through through-hole (5), The through-hole (5) is between the described first transaudient channel (21) and the second transaudient channel (22).

7. sound diffusion sound equipment according to claim 6, it is characterized in that: the through-hole (5) both ends are removably connected with and institute State the concordant baffle (6) in cabinet (1) side.

8. sound diffusion sound equipment according to claim 2, it is characterized in that: second transaudient channel (22) bore is from described One transaudient channel (21) the second outlet sound mouth of Xiang Suoshu (13) uniformly increases.

9. sound diffusion sound equipment according to claim 1, it is characterized in that: the length range of the second transaudient channel (22) is 0.17 meter to 2.13 meters.