CN204408599U - A kind of high-power matrix type loud speaker - Google Patents
A kind of high-power matrix type loud speaker Download PDFInfo
- Publication number
- CN204408599U CN204408599U CN201420738944.4U CN201420738944U CN204408599U CN 204408599 U CN204408599 U CN 204408599U CN 201420738944 U CN201420738944 U CN 201420738944U CN 204408599 U CN204408599 U CN 204408599U
- Authority
- CN
- China
- Prior art keywords
- loud speaker
- sound
- matrix type
- urceolus
- self
- 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.)
- Active
Links
Abstract
The utility model belongs to airborne air broadcast alerting techniques, provides a kind of high-power matrix type loud speaker, comprises housing, sound synthesizer, anti-cylinder record, urceolus, loud speaker; Wherein, described housing is provided with two holes consistent with described sound synthesizer; Described first is connected by described sound synthesizer with three loudspeakers, then first group of speaker unit is connected to form by the described hole on described housing and described anti-cylinder record and described urceolus, described first and the sound that sends of three loudspeakers synthesize through sound synthesizer, then by described anti-cylinder record and described urceolus, sound to be released; Described second and the 4th loud speaker form second group of speaker unit in an identical manner, and carry out sound rendering and sound more in an identical manner and release, form 2 × 2 matrix type layouts.Power of the present utility model, sound pressure level increase substantially, and can overcome the powerful engine noise of helicopter and rotor vibrating noise, make aerial calling more clear.
Description
Technical field
The utility model belongs to airborne air broadcast alerting techniques field, is specifically related to a kind of high-power matrix type loud speaker.
Background technology
Along with the development of society, only maintain public order by police car, ambulance and anti-riot armed vehicle, go on patrol, searching rescue can not meet the demands.Under some particular surroundings, the quick reflection equipment as helicopter so is especially needed to join the tasks such as public security, patrol, searching rescue.Helicopter fast reaction is executed the task to have and is not freely waited by region and traffic the advantage limited, the another large sharp weapon of social security after will becoming, patrol, searching rescue and stability maintenance.
In the prior art, helicopter carry out searching rescue, patrol and stability maintenance time, persons on board need to carry out voice broadcast service and alarm warning to ground staff, but the engine noise that helicopter self is very powerful and the propaganda directed to communicate quality of rotor vibrating noise on air broadcast siren have very large impact, the personnel on ground often can not hear clearly sound of propagandaing directed to communicate.This just needs the high-power air broadcast siren that a kind of reliability is high, sound penetration is powerful.And due to technical reasons such as loud speakers, high-power air broadcast siren still belongs to blank.
Utility model content
The utility model is for adapting to great-power electronic siren Aided design, and the audio signal that audio frequency amplifier exports is released by supersound projector, can make the personnel on ground, hear voice broadcast service and alarm alarm signal that helicopter sends clearly.Thinking of the present utility model is, high-power matrix type loud speaker adopts sound synthesizer as sound rendering device, first the sound of two loud speakers is carried out sound rendering by a sound synthesizer, then is released by sound by anti-cylinder record and urceolus.Concrete technical scheme is:
A kind of high-power matrix type loud speaker, comprises housing (1), sound synthesizer (3), anti-cylinder record (4), urceolus (5), the first loud speaker (8), the second loud speaker (9), three loudspeakers (10), the 4th loud speaker (11); Wherein, described housing (1) is provided with two shape sizes hole (61) consistent with the external diameter of described sound synthesizer (3) and hole (62); First loud speaker (8) is threaded by described sound synthesizer (3) with three loudspeakers (10), then carry out with described anti-cylinder record (4) and described urceolus (5) the formation first group of speaker unit that be threaded by the described hole (61) on described housing (1), sound through sound synthesizer (3) synthesis, then is released by described anti-cylinder record (4) and described urceolus (5) by the sound that the first loud speaker (8) and three loudspeakers (10) send; Second loud speaker (9) and the 4th loud speaker (11) organize described anti-cylinder record (4) by another hole (62) on housing (1) and another in the same manner described above and described urceolus (5) is connected to form second group of speaker unit, and carry out sound rendering and sound releasing more in an identical manner; Then two groups of speaker unit are fixedly connected on housing (1) side by side, and two described urceolus (5) are abutted against together and connected with screw fastening by connecting plate (12), form 2 × 2 matrix type loud speakers.
Further, described 2 × 2 matrix type loud speakers are made up of four loud speaker parallel connections, and every is only 300W/8 Ω's.
Further, described sound synthesizer (3) is threeway sound synthesizer or how logical sound synthesizer.
Further, also comprise self-inspection box (2), described self-inspection box (2) is equipped with automatic detection circuit; Described automatic detection circuit carries out conducting being connected with described four loud speakers; Described four loud speakers enter self-inspection state after the self-checking command receiving self-inspection box (2), and self-detection result are given again self-inspection box (2), thus judge the normal or fault of certain loud speaker.
Further, the material of described housing (1) adopts titanium plate to be welded; The material of described anti-cylinder record (4) and urceolus (5) adopts aluminium sheet rotary press modelling.
Further, the installing hole that installing hole (7) is corresponding with on airframe is rigidly connected, and installs with ground perpendicular angle at 45 °.
The process of above-mentioned two groups of speaker unit sound rendering completes all at one time, has synchronism, consistency.In addition, the utility model is not having testing circuit, when namely detecting box (2), can meet instructions for use equally.Through test of many times checking, such scheme substantially increases the sound pressure level of overall loud speaker.
Compared with prior art, the technique effect that the utility model is useful is that four loud speakers are first divided two groups respectively by after sound synthesizer between two parallel connection by the utility model, again by the hole on housing, 2 × 2 matrix patterns are connected to form with anti-cylinder record and urceolus, be conducive to alleviating loud speaker weight, also can accept the more power from amplification system and show better specified effective power.Tradition single loud speaker maximum power only has 300W, and the high-power matrix type loud speaker of the utility model can make the power of loud speaker increase substantially four times, and its power of loudspeaker can reach 1200W; The sound pressure level simultaneously also improving loud speaker is to overcome the very powerful engine noise of helicopter self and rotor vibrating noise, and make aerial calling more clear, therefore the utility model effect is very remarkable.
Accompanying drawing explanation
Fig. 1 is stravismus contour structures schematic diagram of the present utility model.
Fig. 2 is the internal structure schematic diagram of Fig. 1 of the present utility model.
Fig. 3 is stravismus internal structure schematic diagram of the present utility model.
Fig. 4 is loud speaker theory diagram of the present utility model.
Fig. 5 is speaker matrix schematic diagram of the present utility model.
Fig. 6 is loud speaker mounting means schematic diagram of the present utility model.
Fig. 7 is the contour structures schematic diagram of sound synthesizer of the present utility model.
Wherein, 1--housing, 2--self-inspection box, 3--sound synthesizer, the anti-cylinder record of 4--, 5--urceolus, 7--installing hole, 8--first loud speaker, 9--second loud speaker, 10--three loudspeakers, 11--the 4th loud speaker, 12--connecting plate, 61--hole, 62--hole.
Embodiment
Embodiment of the present utility model is further described below in conjunction with accompanying drawing.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, the utility model is a kind of high-power matrix type loud speaker, comprise housing 1, self-inspection box 2, sound synthesizer 3, anti-cylinder record 4, urceolus 5, wherein, the hole 61 housing 1 having two shape sizes corresponding to described sound synthesizer 3 and hole 62; First loud speaker 8 is threaded by described sound synthesizer 3 with three loudspeakers 10, then carry out with anti-cylinder record 4 and urceolus 5 the formation first group of speaker unit that be threaded by the hole 61 on housing 1, the sound that first loud speaker 8 and three loudspeakers 10 send synthesizes through sound synthesizer 3, then by anti-cylinder record 4 and urceolus 5, sound is released (see Fig. 2); Second loud speaker 9 and the 4th loud speaker 11 organize anti-cylinder record 4 by another hole 62 on housing 1 and another in an identical manner and urceolus 5 is connected to form second group of speaker unit, and carry out sound rendering and sound releasing in an identical manner; Then two groups of speaker unit are fixed on housing 1 side by side, and two urceolus 5 abut against together, are connected with screw by connecting plate 12, form 2 × 2 matrix type layouts.The process of above-mentioned two groups of speaker unit sound rendering completes all at one time, there is synchronism, consistency, wherein, fit dimension and the overall dimension of two groups of sound synthesizers 3, anti-cylinder record 4, urceolus 5 have consistency, can ensure that the sound that two-way will synthesize should have identical phase place in space.Wherein, sound synthesizer 3 as shown in Figure 7, is a cavity body structure, has three through holes, is threeway sound synthesizer; It is the device connecting loud speaker and anti-cylinder record 4, urceolus 5, is the device being carried out by sound synthesizing.In addition, sound synthesizer is not limited only to threeway, also can expand to many logical sound synthesizers as required.
The utility model first by the first loud speaker 8 and three loudspeakers 10, second loud speaker 9 and the 4th loud speaker 11 respectively by after sound synthesizer 3 parallel connection between two, again by the hole 61 on housing 1 and hole 62,2 × 2 matrix type patterns are connected to form with anti-cylinder record 4 and urceolus 5, be conducive to alleviating loud speaker weight, also can accept the more power from amplification system and show better specified effective power; Housing 1 adopts titanium plate to weld, and so not only ensure that structural reliability, and improves antiseptic property, again reduces the weight of self, improves the environmental suitability of equipment.Anti-cylinder record 4 and urceolus 5 adopt aluminium sheet rotary press modelling to design, and such structure is conducive to the conduction of sound, again reduces the weight of self.
As shown in Figure 4, be loud speaker theory diagram of the present utility model.In order to many loud speakers are carried out parallel connection by Same Name of Ends by the needs meeting power and sound pressure level.Simultaneously for the needs of self-inspection, add automatic detection circuit, this automatic detection circuit is contained in and controls self-inspection 2 li, box (hereinafter referred to as " self-inspection box 2 ").The automatic detection circuit of self-inspection box 2 carries out conducting being connected with four loud speakers, and wherein self-checking circuit comprises: self-checking circuit: be made up of interface circuit, house dog, single-chip microcomputer, commutation circuit, optocoupler etc.Interface circuit is mainly used in carrying out communication with external control box; House dog is used for the reset of the inner single-chip microcomputer of self-inspection box 2 and prevents self-inspection box 2 from crashing; When loud speaker enters self-inspection state after receiving the self-checking command that external control box sends.First self-inspection box 2 Single-chip Controlling commutation circuit just loud speaker disconnected by relay, optocoupler testing circuit is then series at every loud speaker by series system, in loud speaker, the break-make of voice coil loudspeaker voice coil then determines the break-make of optocoupler, make-and-break signal is given self-inspection box 2 single-chip microcomputer by optocoupler, self-inspection box 2 single-chip microcomputer, through judging the fault message of loud speaker to give external control box, completes self-checking function.Loud speaker 1 in Fig. 4, loud speaker 2 are the name of the connecting line between external host to loud speaker.
The utility model by increasing self-detection circuit, can judge in four loud speakers fast which break down, make loud speaker more simple, quick in maintenance.In addition, the utility model is not having testing circuit, when namely detecting box 2, can meet instructions for use equally.
As shown in Figure 5, for high-power matrix type loud speaker schematic diagram of the present utility model, its know-why is, all matrixes are carried out parallel connection by loud speaker same polarity, object ensures that all loud speakers in matrix have synchronous audio excitation voltage, thus the sound that every loud speaker is sent has identical phase place.Structurally the topology layout of loud speaker carries out layout according to matrix-style, specifically: loud speaker is by 2 × 2 matrix type layouts, wherein, the first loud speaker 8 and three loudspeakers 10 first carry out sound rendering by sound synthesizer 3, are then released by sound by the urceolus 5 of anti-cylinder record 4 and loud speaker.Other second loud speaker 9 and the 4th loud speaker 11 also carry out sound rendering by identical mode and sound is released, and so latter two urceolus 5 is abutted against together and coupled together with screw by connecting plate 12.Because these four by the loud speaker of 2 × 2 matrix type layouts, wherein carry out sound rendering by sound synthesizer 3 between two, this just requires that the fit dimension of two groups of sound synthesizers 3, anti-cylinder record 4, urceolus 5 and overall dimension have consistency, can ensure that the sound that two-way will synthesize has identical phase place.The sound guarantee sound of same phase is only had to strengthen, otherwise, sound may be caused to cancel out each other.
Finally by sound synthesizer 3 loud speaker being combined is connected on housing 1 with urceolus 5, anti-cylinder record 4, forms supersound projector.Connect energising by cable during use, namely Absorbable organic halogens normally works.
Again as shown in Figure 6, be loud speaker mounting means schematic diagram of the present utility model.Mounting means is that the hole that the installing hole 7 of loud speaker is corresponding with on airframe is rigidly connected by construction bolt, angle mounting means at 45 ° with ground perpendicular., particularly more than 25 meters, effectively can overcome the huge noise that rotor wing rotation brings in the air aloft, make aerial calling more clear.
The technique effect that the utility model is useful is, test shows, compared with prior art, tradition single loud speaker maximum power only has 300W, the high-power matrix type loud speaker of the utility model can make the power of loud speaker increase substantially four times, and its power of loudspeaker can reach 1200W; The sound pressure level simultaneously also improving loud speaker, to overcome the very powerful engine noise of helicopter self and rotor vibrating noise, makes aerial calling more clear.Therefore the utility model effect is very remarkable.
Claims (6)
1. a high-power matrix type loud speaker, is characterized in that: comprise housing (1), sound synthesizer (3), anti-cylinder record (4), urceolus (5), the first loud speaker (8), the second loud speaker (9), three loudspeakers (10), the 4th loud speaker (11); Wherein, described housing (1) is provided with two shape sizes hole (61) consistent with the external diameter of described sound synthesizer (3) and hole (62); First loud speaker (8) is threaded by described sound synthesizer (3) with three loudspeakers (10), then carry out with described anti-cylinder record (4) and described urceolus (5) the formation first group of speaker unit that be threaded by the described hole (61) on described housing (1), sound through sound synthesizer (3) synthesis, then is released by described anti-cylinder record (4) and described urceolus (5) by the sound that the first loud speaker (8) and three loudspeakers (10) send; Second loud speaker (9) and the 4th loud speaker (11) organize described anti-cylinder record (4) by another hole (62) on housing (1) and another in the same manner described above and described urceolus (5) is connected to form second group of speaker unit, and carry out sound rendering and sound releasing more in an identical manner; Then two groups of speaker unit are fixedly connected on housing (1) side by side, and two described urceolus (5) are abutted against together and connected with screw fastening by connecting plate (12), form 2 × 2 matrix type loud speakers.
2. the high-power matrix type loud speaker of one according to claim 1, is characterized in that: described 2 × 2 matrix type loud speakers are made up of four loud speaker parallel connections, and every is only 300W/8 Ω's.
3. the high-power matrix type loud speaker of one according to claim 1, is characterized in that: described sound synthesizer (3) is for threeway sound synthesizer or lead to sound synthesizer more.
4. the high-power matrix type loud speaker of the one according to any one of claims 1 to 3, is characterized in that: also comprise self-inspection box (2), and described self-inspection box (2) is equipped with automatic detection circuit; Described automatic detection circuit carries out conducting being connected with described four loud speakers; Described four loud speakers enter self-inspection state after the self-checking command receiving self-inspection box (2), and self-detection result are given again self-inspection box (2), thus judge the normal or fault of certain loud speaker.
5. the high-power matrix type loud speaker of one according to claim 4, is characterized in that: the material of described housing (1) adopts titanium plate to be welded; The material of described anti-cylinder record (4) and urceolus (5) adopts aluminium sheet rotary press modelling.
6. the high-power matrix type loud speaker of one according to claim 5, is characterized in that: the installing hole that installing hole (7) is corresponding with on airframe is rigidly connected, and installs with ground perpendicular angle at 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738944.4U CN204408599U (en) | 2014-04-03 | 2014-11-22 | A kind of high-power matrix type loud speaker |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420161684 | 2014-04-03 | ||
| CN2014201616849 | 2014-04-03 | ||
| CN201420738944.4U CN204408599U (en) | 2014-04-03 | 2014-11-22 | A kind of high-power matrix type loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204408599U true CN204408599U (en) | 2015-06-17 |
Family
ID=53432427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738944.4U Active CN204408599U (en) | 2014-04-03 | 2014-11-22 | A kind of high-power matrix type loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204408599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902405A (en) * | 2014-04-03 | 2015-09-09 | 宝鸡市凌云机电设备制造有限公司 | High-power matrix loudspeaker |
-
2014
- 2014-11-22 CN CN201420738944.4U patent/CN204408599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902405A (en) * | 2014-04-03 | 2015-09-09 | 宝鸡市凌云机电设备制造有限公司 | High-power matrix loudspeaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205334112U (en) | Many rotor unmanned aerial vehicle integrated form safety governor based on beidou system | |
| CN202689791U (en) | Intelligent safety box antitheft system of safe case | |
| CN204990647U (en) | City safety warning positioning system | |
| CN204408599U (en) | A kind of high-power matrix type loud speaker | |
| CN102704787A (en) | Intelligent antitheft system for safety box | |
| CN204359888U (en) | Electric system low-voltage cable disconnection fault intelligent checking system | |
| CN104902405A (en) | High-power matrix loudspeaker | |
| CN203118135U (en) | Manhole cover on-line monitoring device | |
| CN203300004U (en) | Multifunctional public early warning information release device | |
| CN204791358U (en) | High -voltage line safety warning system | |
| CN202711395U (en) | Antitheft and power failure detection and alarm device | |
| CN205608927U (en) | Electronic warning sign and monitored control system | |
| CN203727268U (en) | Integrated pedestrian sound warning device used for vehicle | |
| CN202049568U (en) | Prewarning safety device of power transformer | |
| CN205405760U (en) | Power transformer theftproof alarm control ware the host system | |
| CN206805715U (en) | Long-range transformer with anti-theft alarm function | |
| CN205751182U (en) | In a kind of overhead transmission line protection zone, anti-Construction traffic external force destroys managing and control system | |
| CN106056815A (en) | Solar cell panel having Bluetooth antitheft function | |
| CN206775113U (en) | A kind of 10kV switch cubicles emergency opening system | |
| CN202094844U (en) | Network power amplifier with built-in and break-in power module | |
| CN204993790U (en) | Early warning broadcasting audio amplifier | |
| CN202693125U (en) | Air crash prediction device | |
| CN110281980A (en) | A kind of earthquake pre-warning automatic control system and method | |
| CN204795415U (en) | Safe and sound city terminating machine with a key is reported to police and data storage function | |
| CN209676333U (en) | A kind of Audio Matrix with fire-fighting link |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |