CN104468007A - Pleasure boat broadcasting system - Google Patents
Pleasure boat broadcasting system Download PDFInfo
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- CN104468007A CN104468007A CN201410755903.0A CN201410755903A CN104468007A CN 104468007 A CN104468007 A CN 104468007A CN 201410755903 A CN201410755903 A CN 201410755903A CN 104468007 A CN104468007 A CN 104468007A
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Abstract
The invention discloses a pleasure boat broadcasting system. The pleasure boat broadcasting system comprises a first collecting device used for collecting a first signal, a second collecting device used for collecting a second signal, a first signal amplification device connected with the first collecting device, a second signal amplification device connected with the second collecting device, a control device connected with the first signal amplification device and the second signal amplification device, a first signal selection device, a second signal selection device, a first broadcasting device and a second broadcasting device, wherein first signal selection device and the second signal selection device are connected with the control device and used for selecting the first signal or the second signal, the first broadcasting device is connected with the first signal selection device and used for broadcasting the signal selected by the first signal selection device, and the second broadcasting device is connected with the second signal selection device and used for broadcasting the signal selected by the second signal selection device. The pleasure boat broadcasting system can autonomously select different broadcasting programs for tourists in different regions, and improve comfort for the tourists.
Description
Technical field
The present invention relates to pleasure-boat manufacturing technology field, particularly relate to a kind of pleasure-boat broadcast system.
Background technology
Common buildings has broadcast system when designing, convenient in case of emergency as one of interior of building communication mode, design specification also has the requirement of clear and definite outfit relevant broadcasts system, boats and ships are no exception, in Ship Design specification, broadcast system is also as one of requisite system of boats and ships, especially on pleasure-boat, send some suggestive voice by broadcast system to passenger or play all kinds of background music, to alleviate the fatigue of passenger's journey process, play the effect of amusement body and mind.
But existing pleasure-boat broadcast system can only play same audio broadcasting, and therefore the visitor of zones of different can only listen to identical broadcast program at one time, autonomous poor selectivity, cause the comfort level of visitor lower.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of pleasure-boat broadcast system, the visitor that can realize zones of different makes from main separation to different broadcast programs, improves the comfort level of visitor.
Pleasure-boat broadcast system provided by the invention comprises:
For gathering the first harvester of the first signal and the second harvester for gathering secondary signal;
The first signal amplifying apparatus be connected with described first harvester, for amplifying described first signal, the secondary signal amplifying device be connected with described second harvester, for amplifying described secondary signal;
The control device be connected with described first signal amplifying apparatus and described secondary signal amplifying device;
The first signal selecting be connected with described control device and secondary signal choice device, for selecting described first signal or described secondary signal;
The first broadcaster be connected with described first signal selecting, for playing the signal that described first signal selecting is selected;
The second broadcaster be connected with described secondary signal choice device, for playing the signal that described secondary signal choice device is selected.
Preferably, in above-mentioned pleasure-boat broadcast system, the channel set that described control device is provided with change over switch and is connected with described change over switch, the connection of described first signal amplifying apparatus and described control device is: port one and the port 3 of described first signal amplifying apparatus and the change over switch of described control device are connected; The connection of described secondary signal amplifying device and described control device is: the port 5 of secondary signal amplifying device and the change over switch of described control device, port 7 and port one 1 are connected.
Preferably, in above-mentioned pleasure-boat broadcast system, the connection of described change over switch and described channel set is:
The port one of described change over switch is connected with the channel C1 of described channel set;
The port 2 of described change over switch is connected with the channel B1 of described channel set;
The port 3 of described change over switch is connected with the channel A1 of described channel set;
The port 4 of described change over switch is connected with the channel B1 of described channel set;
The port 5 of described change over switch is connected with the channel A2 of described channel set;
The port 6 of described change over switch is connected with the channel B2 of described channel set;
The port 7 of described change over switch is connected with the channel C2 of described channel set;
The port 8 of described change over switch is connected with the channel B2 of described channel set;
The port 9 of described change over switch is connected with the channel B2 of described channel set;
The port one 0 of described change over switch is connected with the channel B1 of described channel set;
The port one 1 of described change over switch is connected with the channel C2 of described channel set;
The port one 2 of described change over switch is connected with the channel C1 of described channel set.
Preferably, in above-mentioned pleasure-boat broadcast system, the connection of described first signal selecting or described secondary signal choice device and described control device is:
The switch A1 of described first signal selecting or described secondary signal choice device is connected with the channel A1 of described control device;
The switch A2 of described first signal selecting or described secondary signal choice device is connected with the channel A2 of described control device;
The switch B1 of described first signal selecting or described secondary signal choice device is connected with the channel B1 of described control device;
The switch B2 of described first signal selecting or described secondary signal choice device is connected with the channel B2 of described control device;
The switch C1 of described first signal selecting or described secondary signal choice device is connected with the channel C1 of described control device;
The switch C2 of described first signal selecting or described secondary signal choice device is connected with the channel C2 of described control device.
Preferably, in above-mentioned pleasure-boat broadcast system, described first signal selecting or described secondary signal choice device comprise normal output winding and force output winding, wherein,
First port of the input of the normal output winding of described first signal selecting or described secondary signal choice device is connected with in described switch A1 and described switch A2;
Second port of the input of the normal output winding of described first signal selecting or described secondary signal choice device is connected with in described switch B1 and described switch B2;
First port of the input of the pressure output winding of described first signal selecting or described secondary signal choice device is connected with in described switch B1 and described switch B2;
Second port of the input of the pressure output winding of described first signal selecting or described secondary signal choice device is connected with in described switch C1 and described switch C2.
Preferably, in above-mentioned pleasure-boat broadcast system, described first signal selecting comprises volume adjustment device, and the connection of described first signal selecting and described first broadcaster is:
First port of the output of the normal output winding of described first signal selecting is connected with described first broadcaster by described volume adjustment device;
Second port of the output of the described normal output winding of described first signal selecting is connected with the first port of the output port of described pressure output winding;
Second port of the output port of the described pressure output winding of described first signal selecting is connected with described first broadcaster;
Described secondary signal choice device comprises volume adjustment device, and the connection of described secondary signal choice device and described second broadcaster is:
First port of the output of the described normal output winding of described secondary signal choice device is connected with described second broadcaster by described volume adjustment device;
Second port of the output of the described normal output winding of described secondary signal choice device is connected with the first port of the output port of described pressure output winding;
Second port of the output port of the described pressure output winding of described secondary signal choice device is connected with described second broadcaster.
Preferably, in above-mentioned pleasure-boat broadcast system, described first harvester and described second harvester are microphone.
Preferably, in above-mentioned pleasure-boat broadcast system, described first signal amplifying apparatus and described secondary signal amplifying device are broadcast loud-speaker.
Preferably, in above-mentioned pleasure-boat broadcast system, described first signal selecting and described secondary signal choice device are channel selection tuning box.
Preferably, in above-mentioned pleasure-boat broadcast system, described first broadcaster and described second broadcaster are loud speaker.
As can be seen from technique scheme, the control device and two of pleasure-boat broadcast system provided by the present invention overlaps signal amplifying apparatus and is connected, for receiving the signal of two cover broadcast programs, arrange two cover signal selectings and corresponding broadcaster, on pleasure-boat, the visitor of zones of different carries out from main separation and broadcasting program signal.Pleasure-boat broadcast system provided by the invention can allow the passenger of zones of different from the broadcast program of main separation different-style, therefore, it is possible to promote the comfort level of visitor.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The schematic diagram of a kind of pleasure-boat broadcast system that Fig. 1 provides for the embodiment of the present application;
A kind of circuit connection diagram of the pleasure-boat broadcast system that Fig. 2 provides for the embodiment of the present application;
Fig. 3 is a kind of connection schematic diagram of the first signal selecting and control device and the first broadcaster.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of pleasure-boat broadcast system that the embodiment of the present application provides as shown in Figure 1, the schematic diagram of a kind of pleasure-boat broadcast system that Fig. 1 provides for the embodiment of the present application.This pleasure-boat broadcast system comprises:
For gathering the first harvester 101 of the first signal and the second harvester 102 for gathering secondary signal;
The first signal amplifying apparatus 103 be connected with described first harvester 101, for amplifying described first signal, the secondary signal amplifying device 104 be connected with described second harvester 102, for amplifying described secondary signal;
The control device 105 be connected with described first signal amplifying apparatus 103 and described secondary signal amplifying device 104;
The first signal selecting 106 be connected with described control device 105 and secondary signal choice device 107, for selecting described first signal or described secondary signal;
The first broadcaster 108 be connected with described first signal selecting 106, for playing the signal that described first signal selecting 106 is selected;
The second broadcaster 109 be connected with described secondary signal choice device 107, for playing the signal that described secondary signal choice device 107 is selected.
Pleasure-boat broadcast system as above is provided with two cover harvesters, for receiving the signal of two cover broadcast programs, then signal is transferred to respectively each self-corresponding signal amplifying apparatus to amplify, two cover signals are input to control device by signal amplifying apparatus, two cover signal selectings are connected with control device, just can make autonomous the selecting broadcast singal of visitor, the broadcaster of recycling correspondence is broadcasted.As can be seen here, this pleasure-boat broadcast system can allow the passenger of zones of different from the broadcast program of main separation different-style, therefore, it is possible to promote the comfort level of visitor.
The physical circuit connection of above-mentioned pleasure-boat broadcast system can preferably as shown in Figure 2, a kind of circuit connection diagram of the pleasure-boat broadcast system that Fig. 2 provides for the embodiment of the present application.Wherein, described control device 105 preferably can be provided with change over switch 1051 and be connected the channel set 1052 of 1051 with described change over switch, and described first signal amplifying apparatus 103 can be preferably with the connection of described control device 105: port one and the port 3 of described first signal amplifying apparatus 103 and the change over switch 1051 of described control device 105 are connected; Described secondary signal amplifying device 104 with the connection of described control device 105 is: the port 5 of secondary signal amplifying device 104 and the change over switch 1051 of described control device 105, port 7 and port one 1 are connected.
In above-mentioned pleasure-boat broadcast system, described change over switch 1051 can be preferably with the connection of described channel set 1052:
The port one of described change over switch 1051 is connected with the channel C1 of described channel set 1052;
The port 2 of described change over switch 1051 is connected with the channel B1 of described channel set 1052;
The port 3 of described change over switch 1051 is connected with the channel A1 of described channel set 1052;
The port 4 of described change over switch 1051 is connected with the channel B1 of described channel set 1052;
The port 5 of described change over switch 1051 is connected with the channel A2 of described channel set 1052;
The port 6 of described change over switch 1051 is connected with the channel B2 of described channel set 1052;
The port 7 of described change over switch 1051 is connected with the channel C2 of described channel set 1052;
The port 8 of described change over switch 1051 is connected with the channel B2 of described channel set 1052;
The port 9 of described change over switch 1051 is connected with the channel B2 of described channel set 1052;
The port one 0 of described change over switch 1051 is connected with the channel B1 of described channel set 1052;
The port one 1 of described change over switch 1051 is connected with the channel C2 of described channel set 1052;
The port one 2 of described change over switch 1051 is connected with the channel C1 of described channel set 1052.
In above-mentioned pleasure-boat broadcast system, as shown in Figure 3, Fig. 3 is the first signal selecting and control device and the first broadcaster one connection schematic diagram to a kind of connection of the first signal selecting 106 and control device 105 and the first broadcaster 108.Just be described for described first signal selecting 106 in figure, and the connection of described secondary signal choice device 107 is identical with the connection of described first signal selecting 106, is described in the lump at this.Described first signal selecting 106 or described secondary signal choice device 107 with the connection of described control device 105 are:
The switch A1 of described first signal selecting 106 or secondary signal choice device 107 is connected with the channel A1 of described control device 105;
The switch A2 of described first signal selecting 106 or secondary signal choice device 107 is connected with the channel A2 of described control device 105;
The switch B1 of described first signal selecting 106 or secondary signal choice device 107 is connected with the channel B1 of described control device 105;
The switch B2 of described first signal selecting 106 or secondary signal choice device 107 is connected with the channel B2 of described control device 105;
The switch C1 of described first signal selecting 106 or secondary signal choice device 107 is connected with the channel C1 of described control device 105;
The switch C2 of described first signal selecting 106 or secondary signal choice device 107 is connected with the channel C2 of described control device 105.
In above-mentioned pleasure-boat broadcast system, described first signal selecting 106 or described secondary signal choice device 107 comprise normal output winding and force output winding, be described for the first signal selecting 106 below, secondary signal choice device 107 is the same with the first signal selecting, repeats no more.As shown in Figure 3, described first signal selecting 106 comprises normal output winding 1061 and forces output winding 1062, wherein,
First port of the input of the normal output winding 1061 of described first signal selecting 106, the port on the left side of the input of the normal output winding 1061 namely shown in Fig. 3, is connected with in switch A1 and switch A2;
Second port of the input of the normal output winding 1061 of described first signal selecting 106, the port on the right of the input of the normal output winding 1061 namely shown in Fig. 3, is connected with in switch B1 and switch B2;
First port of the input of the pressure output winding 1062 of described first signal selecting 106, the port on the left side of the input of the pressure output winding 1062 namely shown in Fig. 3, is connected with in switch B1 and switch B2;
Second port of the input of the pressure output winding 1062 of described first signal selecting 106, the port on the right of the input of the pressure output winding 1062 namely shown in Fig. 3, is connected with in switch C1 and switch C2.
In above-mentioned pleasure-boat broadcast system, described first signal selecting 106 comprises volume adjustment device 1063, and described first signal selecting 106 with the connection of described first broadcaster 108 is:
First port of the output of the normal output winding 1061 of described first signal selecting 106, the port on the left side of the output of the normal output winding 1061 of the first signal selecting 106 namely shown in Fig. 3, is connected with described first broadcaster 108 by described volume adjustment device 1063;
Second port of the output of the normal output winding 1061 of described first signal selecting 106, the port on the right of the output of the normal output winding 1061 of the first signal selecting 106 namely shown in Fig. 3, with the first port of the output port of described pressure output winding 1062, the port on the left side of the output port of output winding 1062 is namely forced to be connected;
Second port of the output port of the pressure output winding 1062 of described first signal selecting 106, namely forces the port on the right of the output port of output winding 1062, is connected with described first broadcaster 108.Which achieves in normal output procedure, can regulate broadcast volume, and when occurring that emergency situations needs carry out pressure output, then can ensure that all broadcasters carry out full volume output simultaneously, thus improve the security performance of pleasure-boat.
Described secondary signal choice device 107 also comprises volume adjustment device, and its connected mode is identical with described first signal selecting 106, does not repeat them here.
In above-mentioned pleasure-boat broadcast system, described first harvester 101 and described second harvester 102 can be preferably microphone, described first signal amplifying apparatus 103 and described secondary signal amplifying device 104 can be preferably broadcast loud-speaker, described first signal selecting 106 and described secondary signal choice device 107 can be preferably channel selection tuning box, and described first broadcaster 108 and described second broadcaster 109 can be preferably loud speaker.
Utilize pleasure-boat broadcast system as above, the visitor that can realize zones of different makes from main separation to different broadcast programs, improves the comfort level of visitor, in addition, full volume can also be carried out when there is emergency situations and force broadcast, thus promote the fail safe of pleasure-boat.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a pleasure-boat broadcast system, is characterized in that, comprising:
For gathering the first harvester of the first signal and the second harvester for gathering secondary signal;
The first signal amplifying apparatus be connected with described first harvester, for amplifying described first signal, the secondary signal amplifying device be connected with described second harvester, for amplifying described secondary signal;
The control device be connected with described first signal amplifying apparatus and described secondary signal amplifying device;
The first signal selecting be connected with described control device and secondary signal choice device, for selecting described first signal or described secondary signal;
The first broadcaster be connected with described first signal selecting, for playing the signal that described first signal selecting is selected;
The second broadcaster be connected with described secondary signal choice device, for playing the signal that described secondary signal choice device is selected.
2. pleasure-boat broadcast system according to claim 1, it is characterized in that, the channel set that described control device is provided with change over switch and is connected with described change over switch, the connection of described first signal amplifying apparatus and described control device is: port one and the port 3 of described first signal amplifying apparatus and the change over switch of described control device are connected; The connection of described secondary signal amplifying device and described control device is: the port 5 of secondary signal amplifying device and the change over switch of described control device, port 7 and port one 1 are connected.
3. pleasure-boat broadcast system according to claim 2, is characterized in that, the connection of described change over switch and described channel set is:
The port one of described change over switch is connected with the channel C1 of described channel set;
The port 2 of described change over switch is connected with the channel B1 of described channel set;
The port 3 of described change over switch is connected with the channel A1 of described channel set;
The port 4 of described change over switch is connected with the channel B1 of described channel set;
The port 5 of described change over switch is connected with the channel A2 of described channel set;
The port 6 of described change over switch is connected with the channel B2 of described channel set;
The port 7 of described change over switch is connected with the channel C2 of described channel set;
The port 8 of described change over switch is connected with the channel B2 of described channel set;
The port 9 of described change over switch is connected with the channel B2 of described channel set;
The port one 0 of described change over switch is connected with the channel B1 of described channel set;
The port one 1 of described change over switch is connected with the channel C2 of described channel set;
The port one 2 of described change over switch is connected with the channel C1 of described channel set.
4. pleasure-boat broadcast system according to claim 3, is characterized in that, the connection of described first signal selecting or described secondary signal choice device and described control device is:
The switch A1 of described first signal selecting or described secondary signal choice device is connected with the channel A1 of described control device;
The switch A2 of described first signal selecting or described secondary signal choice device is connected with the channel A2 of described control device;
The switch B1 of described first signal selecting or described secondary signal choice device is connected with the channel B1 of described control device;
The switch B2 of described first signal selecting or described secondary signal choice device is connected with the channel B2 of described control device;
The switch C1 of described first signal selecting or described secondary signal choice device is connected with the channel C1 of described control device;
The switch C2 of described first signal selecting or described secondary signal choice device is connected with the channel C2 of described control device.
5. pleasure-boat broadcast system according to claim 4, is characterized in that, described first signal selecting or described secondary signal choice device comprise normal output winding and force output winding, wherein,
First port of the input of the normal output winding of described first signal selecting or described secondary signal choice device is connected with in described switch A1 and described switch A2;
Second port of the input of the normal output winding of described first signal selecting or described secondary signal choice device is connected with in described switch B1 and described switch B2;
First port of the input of the pressure output winding of described first signal selecting or described secondary signal choice device is connected with in described switch B1 and described switch B2;
Second port of the input of the pressure output winding of described first signal selecting or described secondary signal choice device is connected with in described switch C1 and described switch C2.
6. pleasure-boat broadcast system according to claim 5, is characterized in that, described first signal selecting comprises volume adjustment device, and the connection of described first signal selecting and described first broadcaster is:
First port of the output of the described normal output winding of described first signal selecting is connected with described first broadcaster by described volume adjustment device;
Second port of the output of the described normal output winding of described first signal selecting is connected with the first port of the output port of described pressure output winding;
Second port of the output port of the described pressure output winding of described first signal selecting is connected with described first broadcaster;
Described secondary signal choice device comprises volume adjustment device, and the connection of described secondary signal choice device and described second broadcaster is:
First port of the output of the described normal output winding of described secondary signal choice device is connected with described second broadcaster by described volume adjustment device;
Second port of the output of the described normal output winding of described secondary signal choice device is connected with the first port of the output port of described pressure output winding;
Second port of the output port of the described pressure output winding of described secondary signal choice device is connected with described second broadcaster.
7. the pleasure-boat broadcast system according to any one of claim 1-6, is characterized in that, described first harvester and described second harvester are microphone.
8. the pleasure-boat broadcast system according to any one of claim 1-6, is characterized in that, described first signal amplifying apparatus and described secondary signal amplifying device are broadcast loud-speaker.
9. the pleasure-boat broadcast system according to any one of claim 1-6, is characterized in that, described first signal selecting and described secondary signal choice device are channel selection tuning box.
10. the pleasure-boat broadcast system according to any one of claim 1-6, is characterized in that, described first broadcaster and described second broadcaster are loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755903.0A CN104468007A (en) | 2014-12-10 | 2014-12-10 | Pleasure boat broadcasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755903.0A CN104468007A (en) | 2014-12-10 | 2014-12-10 | Pleasure boat broadcasting system |
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| CN104468007A true CN104468007A (en) | 2015-03-25 |
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| CN201410755903.0A Pending CN104468007A (en) | 2014-12-10 | 2014-12-10 | Pleasure boat broadcasting system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596647A (en) * | 1993-06-01 | 1997-01-21 | Matsushita Avionics Development Corporation | Integrated video and audio signal distribution system and method for use on commercial aircraft and other vehicles |
| CN2350017Y (en) * | 1998-12-13 | 1999-11-24 | 常振元 | Posture correction band with prompting function |
| CN201072866Y (en) * | 2007-02-15 | 2008-06-11 | 王代如 | Device for simultaneously outputting and receiving duplex audio signal |
| CN204334592U (en) * | 2014-12-10 | 2015-05-13 | 重庆长航东风船舶工业公司 | A kind of pleasure-boat broadcast system |
-
2014
- 2014-12-10 CN CN201410755903.0A patent/CN104468007A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596647A (en) * | 1993-06-01 | 1997-01-21 | Matsushita Avionics Development Corporation | Integrated video and audio signal distribution system and method for use on commercial aircraft and other vehicles |
| CN2350017Y (en) * | 1998-12-13 | 1999-11-24 | 常振元 | Posture correction band with prompting function |
| CN201072866Y (en) * | 2007-02-15 | 2008-06-11 | 王代如 | Device for simultaneously outputting and receiving duplex audio signal |
| CN204334592U (en) * | 2014-12-10 | 2015-05-13 | 重庆长航东风船舶工业公司 | A kind of pleasure-boat broadcast system |
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