CN105979432A - Asymmetrical sound-reinforcement full-frequency loudspeaker box and use method thereof - Google Patents
Asymmetrical sound-reinforcement full-frequency loudspeaker box and use method thereof Download PDFInfo
- Publication number
- CN105979432A CN105979432A CN201610594950.0A CN201610594950A CN105979432A CN 105979432 A CN105979432 A CN 105979432A CN 201610594950 A CN201610594950 A CN 201610594950A CN 105979432 A CN105979432 A CN 105979432A
- Authority
- CN
- China
- Prior art keywords
- casing
- box assembly
- loudspeaker box
- audio amplifier
- horn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses an asymmetrical sound-reinforcement full-frequency loudspeaker box and a use method thereof. The asymmetrical sound-reinforcement full-frequency loudspeaker box comprises a left loudspeaker box assembly and a right loudspeaker box assembly. The left loudspeaker box assembly comprises a first box body. The first box body is internally provided with a left channel loudspeaker box and a first low-pitch horn. The left channel loudspeaker box is internally provided with a first high-pitch horn; the first low-pitch horn is arranged under the left channel loudspeaker box; and the first high-pitch horn adopts a horizontal-80-degree and vertical-55-degree coverage angle. The right loudspeaker box assembly comprises a second box body. The second box body is internally provided with a right channel loudspeaker box and a second low-pitch horn. The right channel loudspeaker box is internally provided with a second high-pitch horn; the second low-pitch horn is arranged under the right channel loudspeaker box; and the second high-pitch horn adopts a horizontal-100-degree and vertical-80-degree coverage angle. The asymmetrical sound-reinforcement full-frequency loudspeaker box is simple in structure, adjusts different high-pitch coverage angles through the asymmetrical sound-reinforcement adjustment technique, reduces indoor acoustic interference and acoustic focusing, allows a room sound field to be more uniform, is suitable for small space environment and ensures sound clarity.
Description
Technical field
The present invention relates to technology for loudspeaker box field, be specially a kind of asymmetric public address full-range cabinet and user thereof
Method.
Background technology
The basic problem of sound reinforcement system design is acoustic problems.It is to complete public address sound on the basis of building sound
The analysis of field and design evaluation work, first sound reinforcement system designs should start with from public address sound field, speaker system
The layout (locus) of system, product selects (containing combination) and the power etc. fed, by multiple side
Case comparison and analysis repeatedly, provides the related data of sound reinforcement system acoustic characteristic, finally completes sound reinforcement system
Composition and the configuration of equipment (or equipment).Therefore " quality " of public address sound field builds sound characteristics with indoor
Closely related.In prior art, the audio amplifier of indoor employing occurs that low frequency sympathetic response, high frequency absorption are too much, sound is poly-
The low volume caused such as burnt and unable, the dry and astringent obfuscation of high frequency, the sound field uniformity declines, nearly secondary reflection sound field and
Reverberant field.
Summary of the invention
It is an object of the invention to provide a kind of asymmetric public address full-range cabinet and using method thereof, to solve
The problem certainly proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of asymmetric public address full range sound
Case, including left voice box assembly and right voice box assembly, it is characterised in that: described left voice box assembly includes first
Casing, is provided with L channel audio amplifier and the first bass horn, in described L channel audio amplifier in described first casing
Being provided with the first Horn, described first bass horn is arranged on L channel audio amplifier lower end, and described first
Horn employing level 80 degree, the cone of coverage of vertical 55 degree；Described right voice box assembly includes the second case
Body, is provided with R channel audio amplifier and the second bass horn, sets in described R channel audio amplifier in described second casing
The second Horn, described second bass horn is had to be arranged on R channel audio amplifier lower end, and described second height
Sound bugle employing level 100 degree, vertical 80 degree of cone of coverages.
Preferably, described first casing top is provided with the first wooden cover plate, and described first wooden cover plate leads to
Crossing the first countersunk head screw and the fixing connection of the first casing, described first casing front end face is provided with the first steel mesh,
Described first casing is respectively provided on two sides with the first wooden handle.
Preferably, described second casing top is provided with the second wooden cover plate, and described second wooden cover plate leads to
Crossing the second countersunk head screw and the fixing connection of the second casing, described second casing front end face is provided with the second steel mesh,
Described second casing is respectively provided on two sides with the second wooden handle.
Preferably, the described first a length of 420mm-430mm of casing, a width of 380mm-385mm, a height of
590mm-600mm；The described second a length of 420mm-430mm of casing, a width of 380mm-385mm, a height of
590mm-600mm。
Preferably, its using method comprises the following steps:
A, left voice box assembly is placed side by side with right voice box assembly, make the side phase mutual connection of two audio amplifier assemblies
Touch or close to each other；
B, two audio amplifier assemblies are connected by wire signal, and be respectively connecting to outside power board and intelligence
Control terminal；
C, control of intelligent terminal output audio signal, is converted into left channel audio signal and R channel sound respectively
Frequently signal；
D, adjustment left voice box assembly and the high pitch cone of coverage of right voice box assembly, reach the purpose that public address is play.
Compared with prior art, the invention has the beneficial effects as follows: present configuration is simple, L channel audio amplifier
Interior first Horn employing level 80 degree, the cone of coverage of vertical 55 degree；In R channel audio amplifier, second is high
Sound bugle employing level 100 degree, vertical 80 degree of cone of coverages；Use asymmetric public address regulation technology, adjust
Different high pitch cone of coverages, reduces indoor acoustic interference, sound focusing, makes room sound field evenly, it is adaptable to
Little spatial environments uses, it is ensured that the definition of sound.
Accompanying drawing explanation
Fig. 1 is the left voice box assembly front view of the present invention；
Fig. 2 is the left voice box components side view of the present invention；
Fig. 3 is the left voice box assembly plan view of the present invention；
Fig. 4 is the right voice box assembly front view of the present invention；
Fig. 5 is the right voice box components side view of the present invention；
Fig. 6 is the right voice box assembly plan view of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1-6, the present invention provides a kind of technical scheme: a kind of asymmetric public address full-range cabinet,
Including left voice box assembly and right voice box assembly, described left voice box assembly includes the first casing 1, described first case
It is provided with L channel audio amplifier 2 and the first bass horn 3 in body 1, in L channel audio amplifier 2, is provided with the first soprano saxhorn
Angle, described first bass horn 3 is arranged on L channel audio amplifier 2 lower end, and described first Horn is adopted
With level 80 degree, the cone of coverage of vertical 55 degree；Described right voice box assembly includes the second casing 4, described
It is provided with R channel audio amplifier 5 and the second bass horn 6 in two casings 4, is provided with second in R channel audio amplifier 5 high
Sound bugle, described second bass horn 6 is arranged on R channel audio amplifier 5 lower end, and described second soprano saxhorn
Angle employing level 100 degree, vertical 80 degree of cone of coverages, wherein, the first a length of 420mm-430mm of casing 1,
A width of 380mm-385mm, a height of 590mm-600mm；The second a length of 420mm-430mm of casing 4, a width of
380mm-385mm, a height of 590mm-600mm.
In the present embodiment, the first casing 1 top is provided with the first wooden cover plate 7, and described first wooden cover plate
7 are fixed with the first casing 1 by the first countersunk head screw 8 and to be connected, and described first casing 1 front end face is provided with the
One steel mesh 9, described first casing 1 is respectively provided on two sides with the first wooden handle 11；Second casing 2 top
It is provided with the second wooden cover plate 12, and described second wooden cover plate 12 is by the second countersunk head screw 13 and second
Casing 2 is fixing to be connected, and described second casing 2 front end face is provided with the second steel mesh 14, described second casing 2
It is respectively provided on two sides with the second wooden handle 16.
The using method of the present invention comprises the following steps:
A, left voice box assembly is placed side by side with right voice box assembly, make the side phase mutual connection of two audio amplifier assemblies
Touch or close to each other；
B, two audio amplifier assemblies are connected by wire signal, and be respectively connecting to outside power board and intelligence
Control terminal；
C, control of intelligent terminal output audio signal, is converted into left channel audio signal and R channel sound respectively
Frequently signal；
D, adjustment left voice box assembly and the high pitch cone of coverage of right voice box assembly, reach the purpose that public address is play.
Present configuration is simple, the first Horn employing level 80 degree in L channel audio amplifier, and vertical 55
The cone of coverage of degree；Second Horn employing level 100 degree in R channel audio amplifier, vertical 80 degree of cone of coverages；
Using asymmetric public address regulation technology, adjust different high pitch cone of coverages, the indoor acoustic interference of minimizing, sound gather
Jiao, makes room sound field evenly, it is adaptable to use in little spatial environments, it is ensured that the definition of sound.
Although an embodiment of the present invention has been shown and described, for those of ordinary skill in the art
Speech, it is possible to understand that these embodiments can be carried out without departing from the principles and spirit of the present invention
Multiple change, revising, replace and modification, the scope of the present invention is limited by claims and equivalent thereof
Fixed.
Claims (5)
1. an asymmetric public address full-range cabinet, including left voice box assembly and right voice box assembly, its feature
It is: described left voice box assembly includes the first casing, in described first casing, is provided with L channel audio amplifier and
One bass horn, is provided with the first Horn in described L channel audio amplifier, described first bass horn is arranged
In L channel audio amplifier lower end, and described first Horn employing level 80 degree, the covering of vertical 55 degree
Angle；Described right voice box assembly includes the second casing, is provided with R channel audio amplifier and second in described second casing
Bass horn, is provided with the second Horn in described R channel audio amplifier, described second bass horn is arranged on
R channel audio amplifier lower end, and described second Horn employing level 100 degree, vertical 80 degree of cone of coverages.
A kind of asymmetric public address full-range cabinet the most according to claim 1, it is characterised in that: institute
State the first casing top and be provided with the first wooden cover plate, and described first wooden cover plate is by the first countersunk head screw
Fixing with the first casing and be connected, described first casing front end face is provided with the first steel mesh, described first casing two
Side is respectively equipped with the first wooden handle.
A kind of asymmetric public address full-range cabinet the most according to claim 1, it is characterised in that: institute
State the second casing top and be provided with the second wooden cover plate, and described second wooden cover plate is by the second countersunk head screw
Fixing with the second casing and be connected, described second casing front end face is provided with the second steel mesh, described second casing two
Side is respectively equipped with the second wooden handle.
A kind of asymmetric public address full-range cabinet the most according to claim 1, it is characterised in that: institute
State the first a length of 420mm-430mm of casing, a width of 380mm-385mm, a height of 590mm-600mm；Described
The second a length of 420mm-430mm of casing, a width of 380mm-385mm, a height of 590mm-600mm.
A kind of asymmetric public address full-range cabinet the most according to claim 1, it is characterised in that: its
Using method comprises the following steps:
A, left voice box assembly is placed side by side with right voice box assembly, make the side phase mutual connection of two audio amplifier assemblies
Touch or close to each other；
B, two audio amplifier assemblies are connected by wire signal, and be respectively connecting to outside power board and intelligence
Control terminal；
C, control of intelligent terminal output audio signal, is converted into left channel audio signal and R channel sound respectively
Frequently signal；
D, adjustment left voice box assembly and the high pitch cone of coverage of right voice box assembly, reach the purpose that public address is play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594950.0A CN105979432A (en) | 2016-07-26 | 2016-07-26 | Asymmetrical sound-reinforcement full-frequency loudspeaker box and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594950.0A CN105979432A (en) | 2016-07-26 | 2016-07-26 | Asymmetrical sound-reinforcement full-frequency loudspeaker box and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105979432A true CN105979432A (en) | 2016-09-28 |
Family
ID=56950904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610594950.0A Pending CN105979432A (en) | 2016-07-26 | 2016-07-26 | Asymmetrical sound-reinforcement full-frequency loudspeaker box and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105979432A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111741384A (en) * | 2019-03-25 | 2020-10-02 | Jvc建伍株式会社 | Loudspeaker system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060644Y (en) * | 2007-06-29 | 2008-05-14 | 张伟颖 | Clarion with high pitch phase stuff |
| CN201601810U (en) * | 2009-12-22 | 2010-10-06 | 宁波音王集团有限公司 | Loudspeaker system |
| CN203086707U (en) * | 2013-03-01 | 2013-07-24 | 广州富邦音响***工程有限公司 | Full-frequency sound box capable of regulating directivity |
| DE202014009095U1 (en) * | 2014-11-13 | 2014-12-12 | Alexander Baumgärtner | Loudspeaker with variable directivity for medium and high frequencies |
| CN104780492A (en) * | 2015-02-13 | 2015-07-15 | 张祥奎 | A combined type horn for amplifying sound |
| CN204518044U (en) * | 2015-02-09 | 2015-07-29 | 广州英菲特音响科技有限公司 | A kind of audio amplifier |
| CN205883540U (en) * | 2016-07-26 | 2017-01-11 | 广州市展迅电声科技有限公司 | Asymmetric public address full -range cabinet |
-
2016
- 2016-07-26 CN CN201610594950.0A patent/CN105979432A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060644Y (en) * | 2007-06-29 | 2008-05-14 | 张伟颖 | Clarion with high pitch phase stuff |
| CN201601810U (en) * | 2009-12-22 | 2010-10-06 | 宁波音王集团有限公司 | Loudspeaker system |
| CN203086707U (en) * | 2013-03-01 | 2013-07-24 | 广州富邦音响***工程有限公司 | Full-frequency sound box capable of regulating directivity |
| DE202014009095U1 (en) * | 2014-11-13 | 2014-12-12 | Alexander Baumgärtner | Loudspeaker with variable directivity for medium and high frequencies |
| CN204518044U (en) * | 2015-02-09 | 2015-07-29 | 广州英菲特音响科技有限公司 | A kind of audio amplifier |
| CN104780492A (en) * | 2015-02-13 | 2015-07-15 | 张祥奎 | A combined type horn for amplifying sound |
| CN205883540U (en) * | 2016-07-26 | 2017-01-11 | 广州市展迅电声科技有限公司 | Asymmetric public address full -range cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111741384A (en) * | 2019-03-25 | 2020-10-02 | Jvc建伍株式会社 | Loudspeaker system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11064308B2 (en) | Audio speakers having upward firing drivers for reflected sound rendering | |
| US10440492B2 (en) | Calibration of virtual height speakers using programmable portable devices | |
| US9986338B2 (en) | Reflected sound rendering using downward firing drivers | |
| US11012773B2 (en) | Waveguide for smooth off-axis frequency response | |
| US9838789B2 (en) | Honeycomb speaker system | |
| GB2184323A (en) | Loudspeaker system | |
| CN104837090B (en) | A kind of speaker | |
| CN203968354U (en) | Integrated multichannel audio | |
| CN209151312U (en) | A kind of coaxial linear array speaker | |
| CN105979432A (en) | Asymmetrical sound-reinforcement full-frequency loudspeaker box and use method thereof | |
| CN205883540U (en) | Asymmetric public address full -range cabinet | |
| US20160088386A1 (en) | Loudspeaker system audio recovery imaging amplifier | |
| CN204069282U (en) | There is the dumbbell type reflex cabinet that high pitch compensates | |
| CN203206443U (en) | A sound system and a TV set | |
| Webb et al. | Advances in line array technology for live sound | |
| CN205864704U (en) | A kind of point sound source coaxial sound box of three frequency division | |
| CN204652627U (en) | Audio amplifier | |
| CN203072134U (en) | Three-horn-combined three-way speaker | |
| CN205305094U (en) | Play device of low frequency extension can carry out audio frequency and collet thereof | |
| CN205754792U (en) | Bass boosting sound box | |
| CN205883537U (en) | Bipartition is linear array audio amplifier frequently | |
| CN104113800B (en) | Dumbbell type reflex cabinet with high pitch compensation | |
| CN209218356U (en) | A kind of stereo-circulation sound equipment | |
| CN206196027U (en) | Audio amplifier of adjustable directive property | |
| CN204966038U (en) | Portable karaoke machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |
|
| RJ01 | Rejection of invention patent application after publication |