CN202841472U - Coaxial line array-based loudspeaker box - Google Patents
Coaxial line array-based loudspeaker box Download PDFInfo
- Publication number
- CN202841472U CN202841472U CN 201220369031 CN201220369031U CN202841472U CN 202841472 U CN202841472 U CN 202841472U CN 201220369031 CN201220369031 CN 201220369031 CN 201220369031 U CN201220369031 U CN 201220369031U CN 202841472 U CN202841472 U CN 202841472U
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- units
- bass
- alto
- voice
- audio amplifier
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Abstract
Disclosed in the utility model is a coaxial line array-based loudspeaker box that comprises a box body. An alto voice unit and two high-pitched voice units are arranged inside the box body and a phase plug is installed in front of the alto voice unit; the alto voice unit is arranged at the rear end of the two high-pitched voice units; and the alto voice unit and the two high-pitched voice units are coaxially arranged inside the box body. Besides, two low-pitched voice units are also arranged inside the box body and are symmetrically arranged at two sides of the shaft in a V-shaped mode, wherein the alto voice unit and the two high-pitched voice units are arranged on the shaft. According to the utility model, the provided loudspeaker box with advantages of simple structure and convenient usage can be installed easily for mobile performances.
Description
Technical field
The utility model relates to the technology for loudspeaker box field, relates in particular to a kind of coaxial line array audio amplifier.
Background technology
At present, sensitivity and the power of its compression voice unit and moving-coil bass unit are that certain limitation is arranged in the existing audio amplifier; And its body is large, and is relatively heavy; Can only support the use one to one, increase the quantity of supporting power amplifier; Its space utilization rate is little, and the inconvenience such as installation and transportation.
In view of this, provide the coaxial line array audio amplifier of a kind of built-in function optimization, external body improvement to necessitate.
The utility model content
The purpose of this utility model provides the coaxial line array audio amplifier of a kind of built-in function optimization, external body improvement.
To achieve these goals, a kind of coaxial line array audio amplifier that the utility model provides, it comprises casing, be provided with an alto units and two voice units in the described casing, before the described alto units phase plug is housed, wherein said alto units is arranged on the rear end of described two voice units, and described alto units and described voice unit are coaxial is arranged on described box house; Also be provided with two bass units in the described casing, the V-shaped both sides that are arranged in symmetrically the axle at described alto units and described voice unit place of described two bass units.
Further, described phase plug is separated into two sound sources with an alto units.
Further, also be provided with the inverted trapezoidal groove in the described audio amplifier, be provided with phase-reversing tube on the described bass unit, the opening of described phase-reversing tube is arranged on the described inverted trapezoidal groove.
Further, the impedance of described voice unit is 8 Ω, and the work that is in series of two described voice units; The impedance of described alto units is 16 Ω; The impedance of described bass unit is 6 ohm, and the work that is in series of two described bass units.
A kind of coaxial line array audio amplifier that the utility model provides has just been considered the system support of this audio amplifier in the design audio amplifier, more leave for the design of considering whole sound box system from user's angle.By with the V-shaped coaxial both sides that are arranged in voice unit and alto units of two bass units, and the acoustic centres spacing of two bass units is 0.64M, according to being limited to 240HZ on the available frequency division that calculates bass as can be known and the trouble free service lower-frequency limit of 10 cun middle pitches can arrive 200HZ, so two bass units can drive with the power amplifier of a passage, need not separately frequency range work.With the V-shaped coaxial both sides that are arranged in voice unit and alto units of two bass units, the overall dimension of audio amplifier can be dwindled as far as possible, the arrangement of bass is that V-arrangement is put, because the operating frequency of bass is below 250HZ, so the V-type mode of putting can't cause the variation of bass operating frequency response.Because audio amplifier can be realized maximum 3 parallel connections, minimum impedance is not less than 4 Europe, and this unit can obtain the driving power more than 2 times.The concrete impedance of each concrete unit is that the voice unit impedance is 16 Europe, the work that is in series of 28 Europe voice units, and the alto units impedance is 16 Europe, the bass unit impedance is 12 Europe, the work that is in series of 26 Europe bass units.When 3 audio amplifiers were in parallel, minimum impedance was bass, is operated in 4 Europe states, the rated power of a bass is 400W, the bass gross power was 2400W when 3 audio amplifiers were in parallel, and supporting bass power amplifier is 8 Europe 2400W, 4 Europe 4800W just 2 times to the power of bass unit.Voice unit and alto units power amplifier are 8 Europe 1300W, and voice unit partly was 8 Europe 320W when 2 of audio amplifiers were in parallel, reach 4 times of power amplifiers to the power of high pitch, and alto units partly is 8 Europe 700W, and power amplifier is also near 2 times of bass unit power.Final 2 power amplifiers (wherein is 4*1300W, and another is 2*2400w) of realizing can promote this coaxial line array audio amplifier of 63 frequency divisions, and do not have built-in frequency divider, have greatly reduced the quantity of supporting power amplifier.This shows simple, the easy to use and performance installation that is easy to flow of a kind of coaxial line array loudspeaker box structure that the utility model provides.
Description of drawings
A kind of coaxial line array audio amplifier front view that Fig. 1 provides for the utility model;
Fig. 2 is that a kind of coaxial line array audio amplifier shown in Figure 1 is along A-A to cutaway view.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing, it illustrates principle of the present utility model as the part of this specification by embodiment, other aspects of the present utility model, and feature and advantage thereof will become very clear by this detailed description.
Shown in Fig. 1-2, a kind of coaxial line array audio amplifier that the utility model provides, it comprises casing 1, be provided with an alto units 4 and two voice units 3 in the described casing 1, before the described alto units 4 the phase plug (not shown) is housed, wherein said alto units 4 is arranged on the rear end of described two voice units 3, and described alto units 4 and described voice unit 3 coaxial described casing 1 inside that are arranged on; Also be provided with two bass units 2 in the described casing 1, described two bass units 2 V-shaped both sides that are arranged in symmetrically the axle at described alto units 4 and described voice unit 3 places.
By with the V-shaped coaxial both sides that are arranged in voice unit 3 and alto units 4 of two bass units 2, and the acoustic centres spacing between two bass units 2 is 0.64M, according to being limited to 240HZ on the available frequency division that calculates bass unit 2 as can be known, and the trouble free service lower-frequency limit of 10 cun alto units 4 can arrive 200HZ, so two bass units 2 can drive with the power amplifier of a passage, need not separately frequency range work.With the V-shaped coaxial both sides that are arranged in voice unit 3 and alto units 4 of two bass units 2, the overall dimension of audio amplifier can be dwindled as far as possible, the arrangement of bass is that V-arrangement is put, because the operating frequency of bass is below 250HZ, so the V-type mode of putting can't cause the variation of bass operating frequency response.
Also be provided with the inverted trapezoidal groove in this audio amplifier 1, be provided with phase-reversing tube on the described bass unit 2, the opening of described phase-reversing tube is arranged on the described inverted trapezoidal groove.
In order to dwindle to greatest extent the width of audio amplifier, phase-reversing tube opening on the bass unit 2 is moved on to both sides, casing rear portion, thus, when many audio amplifiers form curved arrays out of doors, the opening of audio amplifier back is up, is easy to cause rainwater to enter box house.The utility model further provides an inverted ladder type groove, and the phase-reversing tube opening is installed in the side of inverted ladder type groove, thereby has solved the problems referred to above dexterously.So design, can be with the casing width reduction to 1M, the audio amplifier than 1.2M money is light for casing 1 weight own, and element number only has 5, and whole uses is the neodymium magnetic cell, reduced equally the total weight of casing, the weight of this coaxial line array audio amplifier reality is 65KG, thereby greatly reduces the operation easier of installation personnel.
The impedance of described voice unit 3 is 8 Ω, and the work that is in series of two described voice units 3; The impedance of described alto units 4 is 16 Ω; The impedance of described bass unit 2 is 6 ohm, and the work that is in series of two described bass units 2.Because audio amplifier can be realized maximum 3 parallel connections, minimum impedance is not less than 4 Europe, and this unit can obtain the driving power more than 2 times.The concrete impedance of each concrete unit is that voice unit 3 impedances are 16 Europe, the work that is in series of 28 Europe voice units 3, and the impedance of alto units 4 is 16 Europe, the impedance of bass unit 2 is 12 Europe, the work that is in series of 26 Europe bass units 2.When 3 audio amplifiers were connected in parallel, minimum impedance was bass unit 2, was operated in 4 Europe states, the rated power of a bass is 400W, the bass gross power was 2400W when 3 audio amplifiers were in parallel, and supporting bass power amplifier is 8 Europe 2400W, 4 Europe 4800W just 2 times to the power of bass unit.Voice unit 3 and alto units 4 power amplifiers are 8 Europe 1300W, and voice unit 3 parts were 8 Europe 320W when two of audio amplifiers were in parallel, reach 4 times of power amplifiers to the power of voice unit 3, and alto units 4 parts are 8 Europe 700W, and power amplifier is also near 2 times of bass unit 2 power.Final 2 power amplifiers (wherein is 4*1300W, and another is 2*2400w) of realizing can promote this coaxial line array audio amplifier of 63 frequency divisions, and do not have built-in frequency divider, have greatly reduced the quantity of supporting power amplifier.This shows simple, the easy to use and performance installation that is easy to flow of a kind of coaxial line array loudspeaker box structure that the utility model provides.
Sound equipment taxi company for the performance of flowing, it is crucial significantly cutting operating costs, the main running cost of sound equipment taxi company is godown rent, cost of transportation, 3 of human costs, a kind of coaxial line array audio amplifier that the utility model provides can significantly reduce the expense of storage and transportation, because it has enough little volume.Can greatly reduce human cost, also very light and handy because it is not only enough little, and also installing/dismounting is very fast, no matter transports, and installs and has all saved a large amount of time and manpower.By using a metal wheel daughter board transportation, 4 audio amplifiers are stacked into one group, the crashproof canvas shroud of outer surface cover one deck, when system installs, open canvas shroud, shift onto under the suspension bracket, once hang 4 audio amplifiers, equally once dismantle 4 audio amplifiers during dismounting, need not by only dismounting, installation and removal institute's time spent has been saved 3 times.And when stacking on lorry, use the transportation of wheel daughter board than using aviation case to save a large amount of spaces, can greatly reduce or use the quantity of lorry.
By doing a power amplifier rack, also possess and the same suspender member of this coaxial line array audio amplifier simultaneously, with this rack as sound box hanging wherein to the top of speaker array.2 4*1300W are housed in this rack, the power amplifier of 2 2*2400W, 2 number of units word processor, 1 interface assignment device, the interface assignment device is with the input of processor and power amplifier, output is connected with power supply and is concentrated connection, only need to be linked into the cable of 1 three-phase 32A the input power joint of interface assignment device during use, can power to the armamentarium in the rack.And the audio amplifier line uses the audio amplifier cable of 24 cores, and an audio amplifier rack can promote maximum 12 coaxial line array audio amplifiers simultaneously.Wiring and arrangement can be finished on ground before array is gone up.The audio amplifier line length can be controlled at about 5M, need not to join in addition many electric hoists and hangs rack, does not also have a large amount of power lines and audio amplifier line, and set-up time and human cost reduce greatly.
This shows simple, the easy to use and performance installation that is easy to flow of a kind of coaxial line array loudspeaker box structure that the utility model provides.
Disclosed above only is preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (4)
1. coaxial line array audio amplifier, it is characterized in that: it comprises casing, be provided with an alto units and two voice units in the described casing, before the described alto units phase plug is housed, wherein said alto units is arranged on the rear end of described two voice units, and described alto units and described voice unit are coaxial is arranged on described box house;
Also be provided with two bass units in the described casing, the V-shaped both sides that are arranged in symmetrically the axle at described alto units and described voice unit place of described two bass units.
2. a kind of coaxial line array audio amplifier according to claim 1, it is characterized in that: described phase plug is separated into two sound sources with a described alto units.
3. a kind of coaxial line array audio amplifier according to claim 2, it is characterized in that: also be provided with the inverted trapezoidal groove in the described audio amplifier, be provided with phase-reversing tube on the described bass unit, the opening of described phase-reversing tube is arranged on the described inverted trapezoidal groove.
4. a kind of coaxial line array audio amplifier according to claim 3, it is characterized in that: the impedance of described voice unit is 8 Ω, and the work that is in series of two described voice units; The impedance of described alto units is 16 Ω; The impedance of described bass unit is 6 ohm, and the work that is in series of two described bass units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220369031 CN202841472U (en) | 2012-07-27 | 2012-07-27 | Coaxial line array-based loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220369031 CN202841472U (en) | 2012-07-27 | 2012-07-27 | Coaxial line array-based loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841472U true CN202841472U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220369031 Expired - Fee Related CN202841472U (en) | 2012-07-27 | 2012-07-27 | Coaxial line array-based loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202841472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796129A (en) * | 2012-11-05 | 2014-05-14 | 曾山 | Coaxial-line array sound box |
-
2012
- 2012-07-27 CN CN 201220369031 patent/CN202841472U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796129A (en) * | 2012-11-05 | 2014-05-14 | 曾山 | Coaxial-line array sound box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zeng Shan Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Zeng Shan Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Zeng Shan Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20150727 |
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| EXPY | Termination of patent right or utility model |