CN214851790U

CN214851790U - Corner sound box for KTV circular index models

Info

Publication number: CN214851790U
Application number: CN202120653359.4U
Authority: CN
Inventors: 潘海燕
Original assignee: Iag Group Co ltd
Current assignee: IAG Group Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-23
Anticipated expiration: 2031-03-30

Abstract

The utility model provides a be used for circular index type bugle audio amplifier of KTV belongs to audio amplifier structure field. The utility model discloses a box, treble unit and bass unit that set up side by side on the box, be equipped with the space bar between treble unit and the bass unit, be equipped with the first mounting hole that is used for installing the treble unit on the box, and be used for installing the second mounting hole of bass unit, the front end that treble unit and bass unit go out the sound still is equipped with the front panel, the treble unit is in including compression treble unit and setting the treble horn of compression treble unit sound outlet, the treble horn is circular index type horn, the throat and the horn mouth of circular index type horn are circular. The utility model has the advantages that: the sound-emitting device not only keeps the warm and elegant of the traditional sound, but also can meet the requirements of large dynamic and large sound pressure of KTV, and particularly meets the requirements of medium frequency, thickness, easiness in singing, plumpness and elasticity of low frequency of human voice.

Description

Corner sound box for KTV circular index models

Technical Field

The utility model relates to a sound box structure especially relates to a be used for circular index type bugle audio amplifier of KTV.

Background

In large entertainment places in China, the KTV house type with different sizes can be met no matter the ordinary KTV house type or the luxury night club type. A horn is a sound amplification product, which is generally used in a sound amplification apparatus such as a speaker, a horn, and the like. A horn commonly used at present includes an audio source rear end and a speaker front end, and the speaker front end is generally a cone-shaped horn mouth. When the loudspeaker works, the horn concentrates sound waves through the conical horn mouth, so that the sound can be transmitted far. The horn of this structure, only simple loudspeaker form cavity is difficult to guarantee its horizontal direction and vertically oriented's uniformity when frequency variation, leads to the sound that the position that is close to the horn heaped to be surging bright, and the sound that the position that is far away from the horn heaped is deep.

Entertainment horns do not require as much throw distance at all, and instead compress the smaller short range circular index tweeter horn more appropriately. The round horn is found to diffuse sound more naturally and smoothly than square and rectangular horns, and the compression ratio is smaller, thereby greatly reducing the degree of sound distortion. Therefore, a model which is specially developed and designed is a circular index type short-range horn, the compression ratio is smaller, and the indoor use of the entertainment place is more suitable.

SUMMERY OF THE UTILITY MODEL

For solving the problem among the prior art, the utility model provides a be used for circular index type bugle audio amplifier of KTV.

The utility model discloses a box, treble unit and bass unit that set up side by side on the box, be equipped with the space bar between treble unit and the bass unit, be equipped with the first mounting hole that is used for installing the treble unit on the box, and be used for installing the second mounting hole of bass unit, the front end that treble unit and bass unit go out the sound still is equipped with the front panel, the treble unit is in including compression treble unit and setting the treble horn of compression treble unit sound outlet, the treble horn is circular index type horn, the throat and the horn mouth of circular index type horn are circular.

The utility model discloses make further improvement, the high pitch horn is 70 x 70 degrees cover angle, circular index model angle design, and the high pitch horn height is 95 mm.

The utility model discloses make further improvement, the high pitch unit adopts 1.7 cun ferrite compression high pitch unit, including 1 cun sound source export, 1 cun sound source export rear end is equipped with 1.7 cun annular polyethylene vibrating diaphragm. The ferrite compression high pitch unit solves the problem that the common neodymium iron boron material can cause unrecoverable magnetic decline at high temperature; the polyethylene vibrating diaphragm provides powerful drive power and control power for the loudspeaker unit, furthest reduces vibration system's resonance, and lower electric Q value brings extraordinary tone quality effect, and sound is more pure and thorough.

The utility model discloses make further improvement, the high pitch horn includes the horn body and is close to sound source outlet face be equipped with be used for with the connecting plate that the compression treble unit links to each other, the throat sets up the connecting plate middle part, the high pitch horn periphery is equipped with a plurality of and connects the strengthening rib of connecting plate and horn body lateral wall.

The utility model discloses make further improvement, bass unit adopts ferrite magnet and symmetrical magnetic field design, bass unit's loudspeaker unit adopts cast aluminum alloy basin frame, cast aluminum alloy basin frame inboard is equipped with waterproof cone.

The utility model discloses do further improvement, the space bar will inside division of box is treble pitch unit installation cavity and bass unit installation cavity, be equipped with in the treble pitch unit installation cavity with box side panel parallel arrangement's high pitch reinforcing plate, the upper end and the rear end of high pitch reinforcing plate respectively with box top panel and rear panel fixed connection, the middle part that the high pitch reinforcing plate is close to the treble pitch unit is equipped with the recess that matches with compression treble pitch unit appearance, the last lower surface of compression treble pitch unit with the lateral wall contact of recess to Y to spacing to the compression treble pitch unit.

The utility model discloses make further improvement, the box rear panel is equipped with leads the sound hole.

The utility model discloses make further improvement, it is in to lead the sound hole for the elongated channel type, sets up on the rear panel that the high pitch unit installation cavity corresponds, be equipped with the frequency divider on the box rear panel in the low pitch unit installation cavity, be equipped with two interfaces that link to each other with other equipment on the frequency divider, be equipped with the jack that is used for the installing support on the bottom panel of box.

The utility model discloses make further improvement, the material of box is multilayer birch splint, the box surface still is equipped with waterproof wearing layer.

The utility model discloses do further improvement, the top panel and the side board of box all are equipped with the screw thread and hang the point, the box is inside to hang the connection angle bar that the point correspondence department was equipped with two faces of connection box with the screw thread.

Compared with the prior art, the beneficial effects of the utility model are that: the round index horn is adopted, and a solid foundation is laid for obtaining bright and non-dry high pitch. The warm and elegant property of the traditional sound is kept, the requirement of large dynamic and large sound pressure of KTV can be met, and particularly the requirements of thick and solid medium frequency, easiness in singing, plump low frequency and elasticity of human voice are met; the ferrite compression unit is adopted, the magnetic circuit is much larger than that of a common loudspeaker single body, the huge magnetic circuit provides strong power for the single body, and the power supply has the inexplicable heat dissipation characteristic, so that even if the power supply works at full load for a long time, the voice coil is not burnt by too high temperature, and the problem of demagnetization caused by high temperature is not worried.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic diagram of the middle longitudinal section of the present invention;

FIG. 3 is a schematic structural view of a high pitch horn;

fig. 4 is a schematic diagram of the internal structure of the box body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1, fig. 2 and fig. 4, the utility model discloses a box 9, treble unit and bass unit 6 that set up side by side on box 9, be equipped with space bar 11 between treble unit and the bass unit, box 9 openly is equipped with the first mounting hole that is used for installing treble unit, and is used for installing bass unit's second mounting hole, treble unit and 6 front ends of going out the sound of bass unit still have data plate 1 through the fixed iron net 2 of iron net screw 3, at the mid-mounting of iron net 2. A frequency divider 10 is fixed to the rear surface of the case 9 by a plurality of tapping screws 14.

The high pitch unit and the low pitch unit 6 are designed in central symmetry, and the sound emitting direction is all pointed, so that the sound box can be placed vertically or horizontally. There are 19M 8 screw suspension points 13 on the top panel and the side panel of the box body 9 of the example, and vertical or horizontal hoisting can be realized besides the placement plane. Simultaneously, still be provided with KTV hoist point (100mm distance) 6 at box top and both sides, can supply the installation KTV support to use. In order to make the internal structure of the box body more firm, connecting angle irons 12 are arranged between the top panel and the side panel of the box body and the rear panel of the box body at positions corresponding to M8 thread suspension points through M8 screws.

In the embodiment, two Neutrik Speakon NL4MP (signal source input socket) interfaces are arranged on a frequency divider 10 on the rear panel of a box body 1 for being used when being connected with other equipment, a jack 15 of a 35mm standard mounting bracket is arranged on a bottom panel, and a square nameplate 1 in the middle of a front iron net 2 can be rotatably mounted so as to adapt to different placement directions of sound boxes.

The loudspeaker box high pitch unit of this example includes compression high pitch unit 5 and sets up the high pitch horn 4 at 5 sound outlets of compression high pitch unit, high pitch horn 4 is circular index type horn, the throat and the horn mouth of circular index type horn are circular. The cross-section of the sound outlet end of the high pitch horn 4 is circular, when the whole sound box is in a horizontal or vertical state, the sound waves emitted by the high pitch horn 4 can be diffused in the transverse direction normally, so that a better sound field can be established, and the sound quality is improved. Through the utility model discloses, can reform transform into the circular bugle audio amplifier of KTV that vertical and horizontal all can use with common vertical bugle audio amplifier.

The high pitch horn of this example is 70 x 70 degrees cover angle, circular index model angle design, high pitch horn height is 95 mm. Besides the convenience of horizontal or vertical installation, the horn body has uniform and smooth axial and off-axial response, and can reduce the vibration of the horn body in a working state and reduce the distortion of sound. Moreover, the horn can be ensured to be exposed without being resisted by the box body, so that the sound coming out from the high-pitch horn 4 and close to the horn edge can not be shielded, the loss of sound energy is reduced, the emission range of the original horn for emitting the sound can not be influenced, and the sound quality is improved. Horn height (95mm) compression is more suitable than a short range circular index treble horn. The round horn is found to diffuse sound more naturally and smoothly than square and rectangular horns, and the compression ratio is smaller, thereby greatly reducing the degree of sound distortion. Therefore, the circular exponential type short-range horn has smaller compression ratio and is more suitable for indoor use in entertainment places.

Specifically, as shown in fig. 3, the tweeter horn 4 of this embodiment includes a horn body 401 and a connecting plate 402 near the sound source outlet for connecting with the high compression unit 5, the throat 403 is disposed in the middle of the connecting plate 402, and a plurality of screw fixing holes 404 are disposed around the horn for fixing the tweeter horn 4 in the first mounting hole by fastening the rock 7. The periphery of high pitch horn 4 is equipped with a plurality of and connects strengthening rib 405 of connecting plate 402 and horn body 401 lateral wall. The cross section of the side wall of the horn body 401 in this example is two symmetrical arcs, and the circle center of the arc is on the extension line of the connecting plate.

The high pitch unit of this example adopts 1.7 cun ferrite compression high pitch unit, includes 1 cun sound source export, 1 cun sound source export rear end is equipped with 1.7 cun annular polyethylene PEN vibrating diaphragms. Compared with the density, the PEN diaphragm has strong rigidity, small distortion and high mechanical strength. If the heat treatment is performed after the forming, the melting point can be made higher. PEN has better dimensional and temperature stability than transducers using Mylar's moving coil, ribbon and capacitor microphones, speakers and headphones. The polyethylene vibrating diaphragm provides powerful drive power and control power for the loudspeaker unit, furthest reduces vibration system's resonance, and lower electric Q value brings extraordinary tone quality effect, and sound is more pure and thorough. The PEN diaphragm provides a higher level of sound quality enjoyment for the entire sound system.

The high pitch unit and the low pitch unit of this example, magnet all adopt high-quality ferrite material and symmetrical magnetic field design, and the magnetic circuit compares general loudspeaker monomer greatly, and huge magnetic circuit provides powerful power for the monomer, possess the heat radiation characteristic that compares incomparably moreover, even long-time full load work also need not worry too high temperature and can burn the voice coil loudspeaker voice coil, need not worry more and can appear the problem of demagnetization because of high temperature.

The loudspeaker unit of the bass unit adopts a cast aluminum alloy basin frame, and a waterproof paper basin is arranged on the inner side of the cast aluminum alloy basin frame. The drum paper of the cone is made of advanced glass fiber materials and wool drum paper materials, the pressing process improves the rigidity of the drum paper and reduces distortion caused by segmentation movement; the surface of the drum paper is desert and has a waterproof function. The sound characteristic of the drum paper is smooth and natural, and is clear and clear without nervousness. The basin split resonance caused at the high end of the sounding frequency domain is not clear, and the cut-off band of the roll-off is smooth. Is a good feature so that very simple dividers can be used without additional clipping. The integration of the system is also good. The cast aluminum alloy basin frame provides a more stable structure for the loudspeaker unit, and greatly reduces the vibration sound.

The box 9 of this example is inside to be equipped with spacer 11, spacer 11 will box is inside to be cut apart into high pitch unit installation cavity and bass unit installation cavity, be equipped with in the high pitch unit installation cavity with box side panel parallel arrangement's high pitch reinforcing plate 16, the upper end and the rear end of high pitch reinforcing plate 16 respectively with box top panel and rear panel fixed connection, the middle part that high pitch reinforcing plate 16 is close to the high pitch unit is equipped with the recess that matches with compression high pitch unit appearance, the last lower surface of compression high pitch unit with the lateral wall contact of recess to Y to spacing to the compression high pitch unit. Thereby making the treble unit more firmly installed.

Because the audio amplifier relies on the vibration to take place, inevitable can produce box resonance, consequently, the structure of box 9 has important influence to the pronunciation effect of audio amplifier, and this example is except that set up reinforcing plate, space bar etc. in inside and strengthen its joint strength and installation intensity, and the material of this example box 9 is multilayer birch splint, the box surface is equipped with wear-resisting paint to it is thicker, firm, durable. The back plate of the cabinet 9 of this embodiment is provided with 2 strip sound guide holes, which can create a sound field and enhance the low volume feeling when placed on the back.

Compared with the prior art, the utility model adopts the round index type horn, which lays a solid foundation for obtaining bright and not dry high pitch. The sound-emitting device not only keeps the warm and elegant of the traditional sound, but also can meet the requirements of large dynamic and large sound pressure of KTV, and particularly meets the requirements of medium frequency, thickness, easiness in singing, plumpness and elasticity of low frequency of human voice. Finally, a product which is most suitable for the entertainment market is created: good hearing, low frequency with enough strength, simultaneously sufficient elasticity, full and smooth medium frequency, high frequency brightness without ear pricking; the singing is good, the sensitivity of the loudspeaker is high, the response speed is high, the singing is performed lightly, and the loudspeaker can output the singing in a large dynamic mode immediately.

The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a be used for circular index type bugle audio amplifier of KTV which characterized in that: including the box, high pitch unit and the bass unit that sets up side by side on the box, be equipped with the space bar between high pitch unit and the bass unit, be equipped with the first mounting hole that is used for installing the high pitch unit on the box, and be used for installing the second mounting hole of bass unit, the front end that high pitch unit and bass unit go out the sound still is equipped with the front panel, the high pitch unit is in including compression high pitch unit and setting the high pitch horn of compression high pitch unit play sound mouth, the high pitch horn is circular index type horn, the throat and the horn mouth of circular index type horn are circular.

2. The utility model discloses a be used for circular index type bugle audio amplifier of KTV of claim 1 which characterized in that: the high-pitch horn is 70 × 70 degrees cover angle, circular index model angle design, and high-pitch horn height is 95 mm.

3. The utility model discloses a be used for circular index type bugle audio amplifier of KTV of claim 2, characterized in that: the high pitch unit adopts 1.7 cun ferrite compression high pitch unit, including 1 cun sound source export, 1 cun sound source export rear end is equipped with 1.7 cun annular polyethylene vibrating diaphragm.

4. The utility model discloses a be used for KTV circular index type bugle audio amplifier of claim 3, characterized in that: high pitch horn includes the horn body and is close to sound source outlet face be equipped with be used for with the connecting plate that compression treble unit links to each other, the throat sets up the connecting plate middle part, high pitch horn periphery is equipped with a plurality of and connects the strengthening rib of connecting plate and horn body lateral wall.

5. The utility model discloses a be used for circular index type bugle audio amplifier of KTV of claim 1 which characterized in that: the bass unit adopts ferrite magnet and symmetrical magnetic field design, the loudspeaker unit of bass unit adopts cast aluminum alloy basin frame, cast aluminum alloy basin frame inboard is equipped with waterproof cone, waterproof cone includes cone and waterproof layer, the material wool drum paper material of cone, the material of waterproof layer is glass borer material.

6. The bugle enclosure of any one of claims 1-5, for KTV round index type, wherein: the space bar will inside division of box is high pitch unit installation cavity and bass unit installation cavity, be equipped with in the high pitch unit installation cavity with box side panel parallel arrangement's high pitch reinforcing plate, the upper end and the rear end of high pitch reinforcing plate respectively with box top panel and rear panel fixed connection, the middle part that the high pitch reinforcing plate is close to the high pitch unit is equipped with the recess that matches with compression high pitch unit appearance, the last lower surface of compression high pitch unit with the lateral wall contact of recess to Y to compression high pitch unit is spacing.

7. The utility model discloses a be used for KTV circular index type bugle audio amplifier of claim 6, characterized in that: the rear panel of the box body is provided with a sound guide hole.

8. The utility model discloses a be used for KTV circular index type bugle audio amplifier of claim 7, characterized in that: the sound guide hole is a long-groove-shaped sound guide hole and is arranged on a rear panel corresponding to the high-pitch unit installation cavity, a frequency divider is arranged on a box body rear panel in the low-pitch unit installation cavity, two interfaces connected with other equipment are arranged on the frequency divider, and jacks used for installing supports are arranged on a bottom panel of the box body.

9. The bugle enclosure of any one of claims 1-4, for KTV round index type, wherein: the material of box is multilayer birch splint, the box surface still is equipped with waterproof wearing layer.

10. The bugle enclosure of any one of claims 1-4, for KTV round index type, wherein: the top panel and the side panel of the box body are both provided with thread suspension points, and connection angle irons for connecting two surfaces of the box body are arranged at the corresponding positions of the interior of the box body and the thread suspension points.