CN104837090A - Sound box - Google Patents
Sound box Download PDFInfo
- Publication number
- CN104837090A CN104837090A CN201510236200.1A CN201510236200A CN104837090A CN 104837090 A CN104837090 A CN 104837090A CN 201510236200 A CN201510236200 A CN 201510236200A CN 104837090 A CN104837090 A CN 104837090A
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- bugle
- common
- far range
- audio amplifier
- array
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Abstract
The invention relates to a sound box, which comprises a box body, a far range horn, a common horn, a common bass horn and two common tweeters, wherein sound outlet ends of the far range horn and the common horn are respectively clamped on the inner wall of the box body, so that an angle formed by the far range horn and the inner wall of the box body and an angle formed by the common horn and the inner wall of the box body can be circumferentially adjusted; sound inlet ends of the far range horn and the common horn are respectively connected to one common tweeter; the sound outlet end of the common bass horn is fixedly arranged on the inner wall of the box body. The sound box sounds soft nearby and sounds clear from a distance, and has the advantages of simple structure, good convenience for operation and low cost.
Description
Technical field
The present invention relates to a kind of sound amplifier, particularly about a kind of audio amplifier.
Background technology
At present, classify from the public address angle of audio amplifier to sound amplifier, the sound amplifier on market can be divided three classes substantially:
First kind sound amplifier is common audio amplifier, as shown in Fig. 1 (a), common audio amplifier comprises common Horn 1 ', common loudspeaker 2 ', bass horn 3 ' and sound box bodies 4 ', owing to being all fixing common bugle in common audio amplifier, be therefore merely able to produce fixing short range public address range or fixing intermediate range public address range.In order to allow audio amplifier closely listen pleasing to the ear (international standard, 1 meter of distance detects), just high pitch must be pressed into close with the sensitivity of bass; Once far listen, high sound attenuation is faster than bass, just lacks high pitch so far listen.If improved by point handle high pitch volume, the audience near field can't stand again; If volume is improved by common loudspeaker box combination, not only audio amplifier increasing number causes cost to increase, and engineering is complicated, and can produce high frequency acoustic interference when combinationally using, and affects volume and tone color quality.In addition, a kind of more special common audio amplifier is also there is in prior art, that is: as shown in Fig. 1 (b), although this audio amplifier has more than 3 loudspeaker 1 〞 and bugle 2 〞, but there is no Far Range bugle, can not adjust respectively, when more can not ring, look after near field together, therefore, the purpose of design of this more special common audio amplifier is still for medium-long range public address.
Equations of The Second Kind sound amplifier is linear array audio amplifier, as shown in Fig. 1 (c), Far Range linear array bugle is installed in linear array audio amplifier, a uppermost audio amplifier high frequency sound wave projects far field audience, and near field audience looked after by a nethermost audio amplifier, so linear array audio amplifier must many combinationally use, this just makes it have installation and use trouble, require high, high in cost of production shortcoming to place and user, and common bugle can not be installed simultaneously in linear array audio amplifier, otherwise linear array audio amplifier high frequency can produce interference, loses the function of linear array audio amplifier.
3rd class sound amplifier is face array speaker, installs Far Range face array bugle, and can only face property combinationally use in the array speaker of face.Therefore, face array speaker the same with linear array audio amplifier have to install and use bother, high, high in cost of production shortcoming required to place and user.And can not install common bugle in the array speaker of face, otherwise face array speaker high frequency can produce interference, loses the function of face array speaker simultaneously.
As can be seen here, be necessary that development one is closely listened soft, far listen clear and that structure is simple, easy to operate audio amplifier.
Summary of the invention
For the problems referred to above, the object of this invention is to provide one and closely listen soft, far listen clear and the audio amplifier that structure is simple, easy to operate, cost is low.
For realizing above-mentioned technical purpose, the present invention takes following technical scheme: a kind of audio amplifier, and it comprises a casing, a Far Range bugle, a common bugle, a common bass horn and two common loudspeakers; The sound outlet end of described Far Range bugle and common bugle is fastened on the inwall of described casing respectively, the angle circumference that described Far Range bugle and common bugle and described cabinet wall are formed can regulate, described Far Range bugle is connected common loudspeaker described in respectively with the sound entrance point of common bugle, and the sound outlet end of described common bass horn is fixedly installed on described cabinet wall.
Described Far Range bugle adopts linear array bugle to form half line array speaker, and when half line array speaker combinationally uses, vertically can only combine two half line array speaker, and during combination, two linear array bugles are adjacent, horizontal direction can not combine.
Described Far Range bugle adopts face array bugle to form demifacet array speaker, and when demifacet array speaker combinationally uses, vertically can only combine two demifacet array speaker, and during combination, two sides array bugle is adjacent, horizontal direction can combine as required.
Described Far Range bugle adopts a common bugle combination, described common bugle combination comprises plural second common bugle, all described second common bugles are fixedly installed on described cabinet wall according to order from top to bottom successively uniform intervals, described common bugle combination and the vertical distance of described common bugle be greater than described common bugle combine in more than the 3cm of spacing of adjacent two described second common bugles.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention adopts Far Range bugle and common bugle due to comprehensive in common audio amplifier, frequency of sounding is close, Far Range bugle not only linear combination time can not interfere, and being highly suitable for remote public address, common bugle is applicable to closely public address, Far Range bugle and each responsible zones of different of common bugle, audio amplifier is closely listened soft, it is clear far to listen.2, the present invention is owing to combinationally using, and makes under the prerequisite that acoustic interference does not occur, and can increase volume or transmission range further.In sum, the present invention's operation in use is very convenient; Although structurally many than common loudspeaker box combination quantity, than linear array audio amplifier or face array speaker number of combinations few a lot, and there is linear array audio amplifier or face array speaker far listens advantage clearly.The present invention not only cost of manufacture is low, and the middle-size and small-size indoor and outdoor performance that can be widely used in 1 ~ 35 meter of distance range is with meeting.
Accompanying drawing explanation
Fig. 1 is existing sound-box device structural representation, and wherein, (a) is common loudspeaker box structure schematic diagram; B () is more special common loudspeaker box structure schematic diagram; C () is linear array loudspeaker box structure schematic diagram;
Fig. 2 is common bugle structural representation;
Fig. 3 is Far Range bugle structural representation;
Fig. 4 is bugle structural representation of the present invention;
Fig. 5 is left TV structure schematic diagram of the present invention;
Fig. 6 is main TV structure schematic diagram of the present invention;
Fig. 7 is that the present invention combinationally uses schematic diagram when adopting linear array bugle;
Fig. 8 is that the present invention combinationally uses schematic diagram when adopting face array bugle.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Existing audio amplifier bugle comprises common bugle and Far Range bugle substantially, and wherein, Far Range bugle comprises the common bugle of linear array bugle, face array bugle and more than the 30 centimetres degree of depth; As shown in Figure 2, the feature of common bugle is: sound presents spherical and sends from a passage.Its advantage is: vertical angle is large, within the scope of 30 ~ 120 degree, can look after near field and far field audience simultaneously; As shown in Figure 3, the feature of Far Range bugle is: sound divides some passages to send, and each passage not only can communicate but also can separate, and the channel path of high pitch top and the bottom is short, mid portion path length, finally makes sound present column face and sends.Its advantage is: vertical angle is little, within the scope of 6 ~ 9 degree, can look after far field audience.
As shown in Figure 4, principle of the present invention is combinationally used Far Range bugle and common bugle, and send the sound of same frequency, can meet the normal audition of audience within the scope of 1 ~ 35 meter simultaneously, and not affect tonequality.
Based on above-mentioned principle, as shown in Figure 5, Figure 6, audio amplifier of the present invention comprises casing 1, Far Range bugle 2, common bugle 3, common bass horn 4 and two common loudspeakers 5; The sound outlet end of Far Range bugle 2 and common bugle 3 is fastened on the inwall of casing 1 respectively, the angle circumference that Far Range bugle 2 and common bugle 3 and casing 1 inwall are formed can regulate, Far Range bugle 2 and the sound entrance point of common bugle 3 are connected a common loudspeaker 5 respectively, and the sound outlet end of common bass horn 4 is fixedly installed on casing 1 inwall.
In a preferred embodiment, Far Range bugle 2 can adopt linear array bugle, half line array speaker is formed when Far Range bugle 2 adopts linear array bugle, as shown in Figure 7, when half line array speaker combinationally uses, vertically can only combine two half line array speaker, and during combination, two linear array bugles are adjacent, horizontal direction can not combine.
In a preferred embodiment, Far Range bugle 2 can adopt face array bugle, demifacet array speaker is formed when Far Range bugle 2 adopts face array bugle, as shown in Figure 8, when demifacet array speaker combinationally uses, vertically can only combine two demifacet array speaker, and during combination, two sides array bugle is adjacent, horizontal direction can combine as required.
In a preferred embodiment, Far Range bugle 2 can adopt a common bugle combination, common bugle combination comprises plural second common bugle, all second common bugles are fixedly installed on casing 1 inwall according to order from top to bottom successively uniform intervals, the combination of common bugle and the vertical distance of common bugle 3 be greater than common bugle combine in more than the 3cm of spacing of adjacent two the second common bugles.
The present invention can singly only use, and also can combinationally use, the detailed process of two kinds of occupation modes is:
(1) when list of the present invention only uses, operate identical with common audio amplifier, first, the present invention put in the plane or be placed on tripod; Then, the adjustment mode in the middle of prior art is adopted to adjust audio projection angle; Finally, open common bass horn 4 and common loudspeaker 5 respectively, when meeting-place only needs nearly sound not need sound far away, can by closing the common loudspeaker 5 that Far Range bugle 2 connect; When meeting-place only needs sound far away not need nearly sound, the common loudspeaker 5 that common bugle 3 connects can be closed;
(2) when needs increase volume or transmission range further, the present invention can be combinationally used, when the present invention combinationally uses, in two kinds of situation:
1), when list of the present invention only uses, when the volume of sound or transmission range still can not be made to meet meeting-place audience's demand, an other half line array speaker can be placed at half line array speaker top, and the linear array bugle of two halves linear array audio amplifier is adjacent; In addition, when there is two-layer audience in meeting-place, need that half line array speaker pitching backward set high by two half line array speaker metas, its sound vertical direction is improved, aims at two layers of audience.
2) when half line array speaker combinationally uses, when the volume of sound or transmission range still can not be made to meet meeting-place audience's demand, demifacet array speaker can be combined, the level angle of demifacet array speaker is generally within the scope of 6 ~ 20 degree, need many demifacet array speaker combinations to increase horizontal public address angle, level angle is made to reach about 80 degree, on this basis, if the volume of sound or transmission range still can not be made to meet meeting-place audience's demand, so can in demifacet array speaker the demifacet array speaker of horizontal positioned more than one, the face array bugle of two demifacet array speaker of vertical combination is adjacent, in addition, when there is two-layer audience in meeting-place, need demifacet array speaker pitching backward high for position, its sound vertical direction is improved, aims at two layers of audience.
(3) in above-mentioned (2) 1) and 2) in two kinds of combinations, casing 1 upper end can also be placed on by after the linear combination of more than one linear array bugle respectively.
Above-described embodiment is only for illustration of the present invention; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (4)
1. an audio amplifier, is characterized in that: it comprises a casing, a Far Range bugle, a common bugle, a common bass horn and two common loudspeakers; The sound outlet end of described Far Range bugle and common bugle is fastened on the inwall of described casing respectively, the angle circumference that described Far Range bugle and common bugle and described cabinet wall are formed can regulate, described Far Range bugle is connected common loudspeaker described in respectively with the sound entrance point of common bugle, and the sound outlet end of described common bass horn is fixedly installed on described cabinet wall.
2. a kind of audio amplifier as claimed in claim 1, it is characterized in that: described Far Range bugle adopts linear array bugle to form half line array speaker, when half line array speaker combinationally uses, vertically can only combine two half line array speaker, and two linear array bugles are adjacent during combination, horizontal direction can not combine.
3. a kind of audio amplifier as claimed in claim 1, it is characterized in that: described Far Range bugle adopts face array bugle to form demifacet array speaker, when demifacet array speaker combinationally uses, vertically can only combine two demifacet array speaker, and two sides array bugle is adjacent during combination, horizontal direction can combine as required.
4. a kind of audio amplifier as claimed in claim 1, it is characterized in that: described Far Range bugle adopts a common bugle combination, described common bugle combination comprises plural second common bugle, all described second common bugles are fixedly installed on described cabinet wall according to order from top to bottom successively uniform intervals, described common bugle combination and the vertical distance of described common bugle be greater than described common bugle combine in more than the 3cm of spacing of adjacent two described second common bugles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236200.1A CN104837090B (en) | 2015-05-11 | 2015-05-11 | A kind of speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236200.1A CN104837090B (en) | 2015-05-11 | 2015-05-11 | A kind of speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104837090A true CN104837090A (en) | 2015-08-12 |
| CN104837090B CN104837090B (en) | 2018-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510236200.1A Active CN104837090B (en) | 2015-05-11 | 2015-05-11 | A kind of speaker |
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| CN (1) | CN104837090B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106358099A (en) * | 2016-10-21 | 2017-01-25 | 恩平市力丰音响有限公司 | Air flow compression loudspeaker box |
| CN108464012A (en) * | 2016-01-14 | 2018-08-28 | 哈曼国际工业有限公司 | Two-way loudspeaker with floating waveguide |
| CN110191394A (en) * | 2019-06-24 | 2019-08-30 | 江苏乐道科技有限公司 | Tower vertical linear arrays active audio amplifier |
| CN111587581A (en) * | 2018-01-09 | 2020-08-25 | Qsc公司 | Multiple acoustic waveguide for loudspeaker assembly |
| US11509997B2 (en) | 2020-03-25 | 2022-11-22 | Qsc, Llc | Acoustic waveguide |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108464012A (en) * | 2016-01-14 | 2018-08-28 | 哈曼国际工业有限公司 | Two-way loudspeaker with floating waveguide |
| US11336992B2 (en) | 2016-01-14 | 2022-05-17 | Harman International Industries, Incorporated | Two-way loudspeaker with floating waveguide |
| US10440465B2 (en) | 2016-01-14 | 2019-10-08 | Harman International Industries, Incorporated | Multiple path acoustic wall coupling for surface mounted speakers |
| CN108464012B (en) * | 2016-01-14 | 2020-04-07 | 哈曼国际工业有限公司 | Bidirectional loudspeaker with floating waveguide |
| US10638216B2 (en) | 2016-01-14 | 2020-04-28 | Harman International Industries, Incorporated | Two-way loudspeaker with floating waveguide |
| CN106358099A (en) * | 2016-10-21 | 2017-01-25 | 恩平市力丰音响有限公司 | Air flow compression loudspeaker box |
| CN106358099B (en) * | 2016-10-21 | 2019-01-11 | 恩平市力丰音响有限公司 | A kind of air-flow compression sound box |
| US11240593B2 (en) | 2018-01-09 | 2022-02-01 | Qsc, Llc | Multi-way acoustic waveguide for a speaker assembly |
| CN111587581B (en) * | 2018-01-09 | 2021-11-12 | Qsc公司 | Multiple acoustic waveguide for loudspeaker assembly |
| CN111587581A (en) * | 2018-01-09 | 2020-08-25 | Qsc公司 | Multiple acoustic waveguide for loudspeaker assembly |
| US11582552B2 (en) | 2018-01-09 | 2023-02-14 | Qsc, Llc | Multi-way acoustic waveguide for a speaker assembly |
| US11962970B2 (en) | 2018-01-09 | 2024-04-16 | Qsc, Llc | Multi-way acoustic waveguide for a speaker assembly |
| CN110191394A (en) * | 2019-06-24 | 2019-08-30 | 江苏乐道科技有限公司 | Tower vertical linear arrays active audio amplifier |
| US11509997B2 (en) | 2020-03-25 | 2022-11-22 | Qsc, Llc | Acoustic waveguide |
| US11736859B2 (en) | 2020-03-25 | 2023-08-22 | Qsc, Llc | Acoustic waveguide |
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| CN104837090B (en) | 2018-04-27 |
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Effective date of registration: 20200812 Address after: 1518-01, 12th floor, building 1, No.62 yard, Balizhuang Road, Haidian District, Beijing Patentee after: Beijing Lichuang Ruihe Electronic Technology Co.,Ltd. Address before: 100021, room 1050, Ruian building, No. 102 East Third Ring Road, Beijing, Chaoyang District Patentee before: Gu Kang |