CN204131731U - Swimming contest is issued an order speaker system - Google Patents
Swimming contest is issued an order speaker system Download PDFInfo
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- CN204131731U CN204131731U CN201420648036.6U CN201420648036U CN204131731U CN 204131731 U CN204131731 U CN 204131731U CN 201420648036 U CN201420648036 U CN 201420648036U CN 204131731 U CN204131731 U CN 204131731U
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- order
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Abstract
The utility model provides a kind of swimming contest to issue an order speaker system, comprise main frame of issuing an order, loud speaker of issuing an order, described main frame of issuing an order is connected with the loud speaker of issuing an order be arranged in parallel by waterproof cable, described loud speaker of issuing an order comprises power supply stabilization circuit, amplifier, surely hinders loud speaker, and described amplifier is provided with the double input interfaces of voice and electric whistle.The utility model makes electric whistle issue an order to synchronous working with lamp of issuing an order, it is each loud speaker in parallel, connect up simple and easy simultaneously, the issue an order volume of voice and electric whistle sound of the judge that loud speaker sends can regulate, and by changing the program in single-chip microcomputer, the tone color of electric whistle can be changed, make product possess stronger versatility.
Description
Technical field
The utility model relates to the device of physical culture electron trade, especially relates to a kind of swimming contest and to issue an order speaker system.
Background technology
At present, the match of domestic swimming national competition thing is issued an order system, substantially be all the product from external import, mainly swim system of issuing an order based on the Colorado of the Omega of Switzerland and the U.S., the swimming contest of domestic national special interest group system of issuing an order also is all adopt import brand.External product mainly adopts the impedance of single loud speaker in 16-32 Europe, by the mode (impedance matching) of connection in series-parallel loud speaker, realize swimming contest far-end and near-end tens loud speakers work simultaneously, the tone color that when issuing an order, loud speaker exports and tonequality all meet swimming event demand, simply achieve the demand of issuing an order of swimming contest.External swimming product of issuing an order is all that every bar swimming lane far-end and near-end join a loud speaker of issuing an order, and many swimming lanes configure multiple loud speaker, and many loud speakers are connected to swimming by series-parallel mode and issue an order main frame.By main frame of issuing an order, loud speaker can send the speech commanding sound (on your marks) of judge and the electric whistle sound (stining) of issuing an order of swimming.
Now commercially domestic swimming is issued an order, and system is domestic at present only has fewer companies to produce, all adopt constant-pressure type loud speaker, the namely impedance matching of loud speaker need not be considered, as long as loud speaker switches on power (12V or 24V), the amplifier of inside loudspeakers will play back the sound writing into speaker sound chip.Why not adopt the way of same kind of products at abroad, mainly because the impedance of domestic loud speaker cannot accomplish 16 Europe or 32 Europe, can do even if having, test acoustical quality and product stability not high, the demand of competitive sports cannot be met.So the pluses and minuses contrasting domestic and international product are not difficult to find.Domestic tonequality of determining the loud speaker in resistive 16 Europe or 32 Europe can not meet race demand, namely cannot take the way of external product at present.Domestic current employing constant-pressure type active loudspeaker system realizes race and to issue an order demand, by level pressure active loudspeaker technical characteristic, can only realize sending by on/off the sound be stored in chip, can not accomplish that loud speaker sends the requirement that referee's speech commanding also can send electric whistle sound simultaneously.Domestic loud speaker can only send electric whistle sound, and the voice of judge must be sent by other loud speakers or wirelessly export to other sound amplifiers.Such way causes because in-situ match judge voice do not send at same loud speaker with electric whistle sound of issuing an order, after sportsman is accustomed to the system of issuing an order of international tournament, scene cannot be adapted to and have multiple sound source sounding, and various tone sources in-situ match needs to increase extra sound equipment, found by domestic swimming contest in recent years, domestic swimming issue an order steady of system press loud speaker due to adopt be IC drive, the sound of issuing an order can only be the electric whistle sound that frequency is the same, nature electric whistle is not had to issue an order the effect of sound, allow sportsman and judge's panesthesia electric whistle sound of issuing an order not so good, have impact on the performance of some athlete's levels.
Utility model content
The utility model provides a kind of swimming contest and to issue an order speaker system, solve current domestic swimming issue an order system need after swell box, voice can not be realized and electric whistle sends from one, affect the problem of sportsman's attentiveness, solve domestic swimming to issue an order the problem that electric whistle sound of issuing an order that system electric whistle sound do not meet international swimming union requires, and solve domestic swimming and to issue an order the too small problem of system electric whistle wave volume, its technical scheme is as described below:
A kind of swimming contest is issued an order speaker system, comprise main frame of issuing an order, loud speaker of issuing an order, described main frame of issuing an order is connected with the loud speaker of issuing an order be arranged in parallel by waterproof cable, described loud speaker of issuing an order comprises power supply stabilization circuit, amplifier, surely hinders loud speaker, and described amplifier is provided with the double input interfaces of voice and electric whistle.
Described loud speaker of issuing an order also comprises the anti-jamming circuit be connected with amplifier.
Described loud speaker of issuing an order also is provided with LED light of issuing an order.
The described loud speaker surely hindering loud speaker employing impedance 6 ohm.
Described amplifier adopts TDA2003 amplifier tube.
The utility model initiative add synchro light of issuing an order issuing an order in speaker housings, electric whistle is issued an order and to be synchronoused working with lamp of issuing an order, the new technology adopted can ignore the quantity of swimming pool swimming lane completely, regardless of 6 swimming lanes, 8 swimming lanes or 10 swimming lanes, can use, and adopt this technology to be each loud speaker in parallel, each loud speaker can exchange completely, so do not limit the quantity of loud speaker.Connect up simple and easy, quad just can solve judge's speech commanding and to export with electric whistle and lamp of issuing an order exports simultaneously.
Further, the issue an order volume of voice and electric whistle sound of the judge that loud speaker sends can regulate, and by changing the program in single-chip microcomputer, can change the tone color of electric whistle, making product possess stronger versatility.
Visible, while the utility model makes new product possess external product same function, what look for another way has started from the new implementation method of major product.
Accompanying drawing explanation
Fig. 1 is that described swimming contest is issued an order the application schematic diagram of speaker system;
Fig. 2 to issue an order the structural representation of loud speaker described in being;
Fig. 3 to issue an order the schematic diagram of lamp of issuing an order of loud speaker described in being;
Fig. 4 to issue an order the control board schematic diagram of loud speaker described in being.
Embodiment
The swimming contest that the utility model provides issues an order speaker system application schematic diagram as shown in Figure 1, be made up of swimming issue an order loud speaker, special 4 core waterproof cables, Mike four part of issuing an order of main frame, swimming of issuing an order, its central role be that swimming is issued an order loud speaker, main frame of issuing an order provides power supply and audio frequency to input for loud speaker, the hand-held Mike of issuing an order of chief referee plays and issues an order, and 4 core waterproof cables connect each loud speaker of issuing an order be arranged in parallel.
Swimming main frame of issuing an order possesses the adjusting knob of voice size of issuing an order, and possess multiple input/output interface, built-in 24V5A lithium battery, battery can ensure use 12 hours.
The Mike that issues an order can gather the voice of chief referee, and the button on Mike can produce the triggering signal of electric whistle of issuing an order, and triggering signal is to main frame of issuing an order, and main frame of issuing an order sends electric whistle sound by loud speaker.
The customizable 4 core waterproof cables of waterproof cable, specification is: RVV4*1.0.
As shown in Figures 2 and 3, loud speaker of issuing an order described in comprises loudspeaker mask fixed screw 1, loudspeaker mask 2, line outlet 3, bearing wall and frame structure 4, surely hinders loud speaker 5, wire hole 6, drive circuit board 7, cable 8, waterproof plug 9 and lamp 10 of issuing an order.Described swimming issues an order loud speaker by SUS304 stainless steel making shell, and surface is white plastic-blasting again.Embedded PCB is all 3 layer of three anti-paint, carries out water-proofing treatment, and the joint that loud speaker of issuing an order is connected with cable is four-core waterproof plug 9.
The domestic impedance that described loud speaker of issuing an order is selected be 6 ohm determine resistance loud speaker 5, for the mini amplifier of the voltage stabilizing of one piece of band and filter function installed by each loud speaker of issuing an order, select modal TDA2003 amplifier tube, because TDA2003 caloric value is low, effective power factor is high, operating current is low, is particularly suitable for this embedded speaker amplifier and uses.
Described amplifier possesses voice and electric whistle double input interfaces, can issue an order by electric whistle again by voice.Drive circuit board 7 can input voice and electric whistle signal simultaneously, loud speaker of issuing an order possesses power supply input automatic regulating function, the voltage inputted is made to be stabilized in DC12V by power supply stabilization circuit, input interface possesses anti-jamming circuit, make the disturbing wave of the audio frequency of input suppressed, sound is more effectively clear.Simultaneously in embedded LED light 10 of synchronously issuing an order on loud speaker of issuing an order, can 360 degree luminescences, while electric whistle is issued an order, light LED light 10 of issuing an order.
As shown in Figure 4, the operation principle of the circuit control board of described loud speaker of issuing an order is: signal is sent to by main frame loud speaker of issuing an order by hand-held set of issuing an order, direct current 24V is changed into 12V by loud speaker of first issuing an order, change into 5V and 3.3V that voice and electric whistle need respectively again, voice and electric enlightening signal are sent to amplifier by information, signal is transmitted given resistance loud speaker and sounds by described amplifier, and indicator light is lighted simultaneously.
Claims (5)
1. a swimming contest is issued an order speaker system, it is characterized in that: comprise main frame of issuing an order, loud speaker of issuing an order, described main frame of issuing an order is connected with the loud speaker of issuing an order be arranged in parallel by waterproof cable, described loud speaker of issuing an order comprises power supply stabilization circuit, amplifier, surely hinders loud speaker, and described amplifier is provided with the double input interfaces of voice and electric whistle.
2. swimming contest according to claim 1 is issued an order speaker system, it is characterized in that: described in loud speaker of issuing an order also comprise the anti-jamming circuit be connected with amplifier.
3. swimming contest according to claim 1 is issued an order speaker system, it is characterized in that: described in loud speaker of issuing an order also be provided with LED light of issuing an order.
4. swimming contest according to claim 1 is issued an order speaker system, it is characterized in that: describedly surely hinder the loud speaker that loud speaker adopts impedance 6 ohm.
5. swimming contest according to claim 1 is issued an order speaker system, it is characterized in that: described amplifier adopts TDA2003 amplifier tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648036.6U CN204131731U (en) | 2014-11-03 | 2014-11-03 | Swimming contest is issued an order speaker system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648036.6U CN204131731U (en) | 2014-11-03 | 2014-11-03 | Swimming contest is issued an order speaker system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131731U true CN204131731U (en) | 2015-01-28 |
Family
ID=52388044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420648036.6U Active CN204131731U (en) | 2014-11-03 | 2014-11-03 | Swimming contest is issued an order speaker system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204131731U (en) |
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2014
- 2014-11-03 CN CN201420648036.6U patent/CN204131731U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |