CN106254011B - A kind of remote-controlled broadcasting system for ships - Google Patents

A kind of remote-controlled broadcasting system for ships Download PDF

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Publication number
CN106254011B
CN106254011B CN201610630752.5A CN201610630752A CN106254011B CN 106254011 B CN106254011 B CN 106254011B CN 201610630752 A CN201610630752 A CN 201610630752A CN 106254011 B CN106254011 B CN 106254011B
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China
Prior art keywords
vessel
peculiar
loudspeaker arrangement
loudspeaker
bus
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CN106254011A (en
Inventor
周燕灿
刘云龙
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Guangzhou Haige Communication Group Inc Co
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Guangzhou Haige Communication Group Inc Co
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Priority to CN201610630752.5A priority Critical patent/CN106254011B/en
Publication of CN106254011A publication Critical patent/CN106254011A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/38Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/61Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
    • H04H20/62Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast for transportation systems, e.g. in vehicles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/93Wired transmission systems
    • H04H60/95Wired transmission systems for local area

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The present invention relates to a kind of remote-controlled broadcasting system for ships, comprising: broadcast host cabinet and several loudspeaker arrangements peculiar to vessel;The loudspeaker arrangement peculiar to vessel includes microcontroller, switch block and loudspeaker;The control signal output of the broadcast host cabinet is connected by bus with several described loudspeaker arrangements peculiar to vessel;The audio signal output end of the broadcast host cabinet is connected by audio signal wire with several described loudspeaker arrangements peculiar to vessel;The switch block is closed by the microcontroller output control instruction;Audio signal on the audio signal wire is output to the loudspeaker by the switch block.The present invention is connected broadcast host cabinet and loudspeaker arrangement peculiar to vessel by the way of bus, is controlled using bus transfer communication protocol several loudspeaker arrangements peculiar to vessel, is avoided the problem that rearranging network.

Description

A kind of remote-controlled broadcasting system for ships
Technical field
The present invention relates to broadcast worlds peculiar to vessel, more particularly to a kind of remote-controlled broadcasting system for ships.
Background technique
Broadcast system is mainly used for the broadcasting of broadcast mobilization order needed for ensureing naval vessel training, life.On existing naval vessel In broadcast system, tetra- tunnel audio output of broadcast host Gui You, each access audio output 120V, the loudspeaker on each road passes through parallel connection It is connected on output line and is broadcasted.According to user demand, the loudspeaker in each cabin needs to have the function of individually controlling, with Just it is selectively broadcasted, accomplishes precision management, influence when reducing broadcast to irrelevant personnel.Meanwhile it will be according to naval vessel Particularity, to loudspeaker carry out rational deployment.
Currently, the loudspeaker of different application scene will realize control function, generally by increasing control panel newly in loudspeaker, Using network interconnection, broadcast host cabinet and all loudspeakers are formed into a network, broadcast host cabinet is believed using network transmission It enables and carries out loudspeaker control;If naval vessel does not have network, need to arrange net again, it is at high cost;To the naval vessel equipped, need to change again Line, heavy workload, difficulty are big.
Summary of the invention
Based on this, the problem of in order to avoid rearranging network, a kind of remote-controlled broadcasting system for ships is provided.
A kind of remote-controlled broadcasting system for ships, comprising: broadcast host cabinet and several loudspeaker arrangements peculiar to vessel;It is described peculiar to vessel Loudspeaker arrangement includes microcontroller, switch block and loudspeaker;The control signal output of the broadcast host cabinet by bus and Several described loudspeaker arrangement connections peculiar to vessel;The audio signal output end of the broadcast host cabinet passes through audio signal wire and described Several loudspeaker arrangement connections peculiar to vessel;Each loudspeaker arrangement peculiar to vessel is believed by the control that bus obtains the output of broadcast host cabinet Number, pass through audio signal wire obtain broadcast host cabinet output audio signal;In each loudspeaker arrangement peculiar to vessel microcontroller according to Closure/disconnection of the control Signal-controlled switch component got;It is obtained from audio signal wire in each loudspeaker arrangement peculiar to vessel Audio signal loudspeaker are output to by switch block.
One embodiment wherein, each loudspeaker arrangement peculiar to vessel further includes address configuration unit;Address configuration unit and institute The microcontroller connection for stating loudspeaker arrangement peculiar to vessel, for carrying out address configuration to the loudspeaker arrangement peculiar to vessel.
One embodiment wherein, each loudspeaker arrangement peculiar to vessel further includes power supply unit;The power supply of the broadcast host cabinet Output end is connected by power supply line with the power supply unit;The voltage that the power supply unit inputs the power supply line carries out pressure stabilizing Filtering, and it is converted into the operating voltage that loudspeaker arrangement peculiar to vessel adapts to, it powers to the loudspeaker arrangement peculiar to vessel.
One embodiment wherein, each loudspeaker arrangement peculiar to vessel further includes interface unit;Interface unit peculiar to vessel is raised with described The microcontroller of acoustic device connects, for the interface level inputted from the bus to be converted into Transistor-Transistor Logic level.
One embodiment wherein, each loudspeaker arrangement peculiar to vessel further includes switch key;The switch key and described micro- Controller connection;When switch key be down state when, where loudspeaker arrangement peculiar to vessel open;When switch key is to bounce shape When state, where loudspeaker arrangement peculiar to vessel close.
One embodiment wherein, the loudspeaker arrangement peculiar to vessel further includes indicator light;The indicator light and the microcontroller Device connection;When microcontroller is according to the control Signal-controlled switch members close got, the indicator light is bright;Work as microcontroller When device is disconnected according to the control Signal-controlled switch component got, described indicator light off.
One embodiment wherein, the loudspeaker arrangement peculiar to vessel further includes indicator light;The indicator light and the microcontroller Device connection;When switch key is down state, the indicator light is bright;When switch key is to bounce state, the indicator light It goes out.
One embodiment wherein, the bus are RS485 buses;The RS485 bus uses balance transmission and difference Received mode realizes communication.
The beneficial effect of above scheme includes: to be connected broadcast host cabinet with loudspeaker arrangement peculiar to vessel by the way of bus Get up, several loudspeaker arrangements peculiar to vessel are controlled using bus transfer communication protocol, avoid the problem that rearranging network.
Detailed description of the invention
Fig. 1 is the schematic diagram of the remote-controlled broadcasting system for ships of an embodiment;
Fig. 2 is the schematic diagram of the remote-controlled broadcasting system for ships of another embodiment.
Specific embodiment
In order to further illustrate the effect of technological means adopted by the present invention and acquirement, with reference to the accompanying drawing and preferably Embodiment carries out clear and complete description to technical solution of the present invention.
Fig. 1 is the schematic diagram of the remote-controlled broadcasting system for ships of an embodiment.
As shown in Figure 1, the remote-controlled broadcasting system for ships in the present embodiment includes: broadcast host cabinet 100 and several ships With loudspeaker arrangement 1,2 ..., N;Each loudspeaker arrangement peculiar to vessel includes microcontroller (MCU), switch block and loudspeaker;The broadcast The control signal output of mainframe 100 by bus and several loudspeaker arrangements peculiar to vessel 1,2 ..., N connects.
In the present embodiment, the broadcast host cabinet 100 and and several loudspeaker arrangements peculiar to vessel 1,2 ..., between N It is to be bi-directionally connected.
In the present embodiment, bus uses master-slave communication mode, i.e., the control signal output of the described broadcast host cabinet 100 Connected by bus and several loudspeaker arrangements peculiar to vessel 1,2, N, if by control protocol can realize broadcast host cabinet 100 and Dry loudspeaker peculiar to vessel 1,2, interconnecting between N;Preferably, bus can be RS485 bus, and RS485 bus is using flat Weighing apparatus is sent and the mode of differential received realizes communication, and the Transistor-Transistor Logic level signal of serial port is converted into differential signal a, b two by transmitting terminal Road output, by differential signal is restored Transistor-Transistor Logic level signal in receiving end after cable transmission.
In the present embodiment, RS485 bus can realize the high-speed transfer of long range well;Preferably, transmission range can To reach 1200m, transmission rate can achieve 20Mbps;The bus carries out information transmission using balanced differential signal, has Good anti-interference ability.
The audio signal output end of the broadcast host cabinet 100 passes through audio signal wire and several described loudspeaking dresses peculiar to vessel Set the first input end connection of 1,2, N;Preferably, the audio signal on audio signal wire can be 120V.
Each loudspeaker arrangement peculiar to vessel 1,2 ..., N control signal that broadcast host cabinet 100 exports, logical is obtained by bus It crosses audio signal wire and obtains the audio signal that broadcast host cabinet 100 exports;Each loudspeaker arrangement peculiar to vessel 1,2 ..., microcontroller in N Device is according to the closure/disconnection for controlling Signal-controlled switch component got;Each loudspeaker arrangement peculiar to vessel 1,2 ..., in N from sound The audio signal obtained on frequency signal wire is output to loudspeaker by switch block.
Above-described embodiment the utility model has the advantages that by the way of bus, broadcast host cabinet has been connected with loudspeaker arrangement peculiar to vessel Come, several loudspeaker arrangements peculiar to vessel are controlled using bus transfer communication protocol, avoid the problem that rearranging network.
Fig. 2 is the schematic diagram of the remote-controlled broadcasting system for ships of another embodiment of the present invention;As shown in Fig. 2, this The remote-controlled broadcasting system for ships of embodiment includes: broadcast host cabinet 200, loudspeaker arrangement peculiar to vessel 210, MCU211, switch block 212, loudspeaker 213, power supply unit 214, address configuration unit 215, interface unit 216, switch key 217, indicator light 218, respectively Details are as follows for component:
The control signal output of the broadcast host cabinet 200 passes through bus and the loudspeaker arrangement peculiar to vessel 210 MCU211 connection;The audio signal output end of the broadcast host cabinet 200 passes through audio signal wire and the loudspeaker arrangement peculiar to vessel 210 switch block 212 connects;Loudspeaker arrangement 210 peculiar to vessel by bus obtain broadcast host cabinet 200 export control signal, The audio signal that broadcast host cabinet 200 exports is obtained by audio signal wire;MCU211 in loudspeaker arrangement 210 peculiar to vessel is according to obtaining Closure/the disconnection for the control Signal-controlled switch component 212 got;It is obtained from audio signal wire in loudspeaker arrangement 210 peculiar to vessel Audio signal loudspeaker 213 are output to by switch block 212.
In the present embodiment, the broadcast host cabinet 200 and the MCU211 are bi-directionally connected.
In the present embodiment, the power output end of the broadcast host cabinet 200 passes through power supply line and the power supply unit 214 Connection;The voltage that the power supply unit 214 inputs the power supply line carries out voltage regulation filtering, and is converted into loudspeaker arrangement peculiar to vessel 210 operating voltages adapted to power to the loudspeaker arrangement 210 peculiar to vessel.
Interface unit 216 is connect with the MCU21 of the loudspeaker arrangement 210 peculiar to vessel, for connecing what is inputted from the bus Mouth level conversion is at Transistor-Transistor Logic level.
In the present embodiment, the interface unit 216 and MCU211 are bi-directionally connected.
The switch 212 is three port switch;For example, the switch 212 can be relay;It is defeated as the MCU211 Voltage reaches the sealing voltage of relay out, and relay is connected, and the audio signal on audio signal wire is transferred to by relay Loudspeaker are broadcasted away.
Address configuration unit 215 is connect with the MCU211 of the loudspeaker arrangement 210 peculiar to vessel, for filling to the loudspeaking peculiar to vessel Set 210 carry out address configurations;Preferably, the address range of the address configuration unit configuration is 0-1023.
The switch key 217 is connected with the MCU211;When switch key 217 be down state when, where ship It is opened with loudspeaker arrangement 210;When switch key 217 be bounce state when, where loudspeaker arrangement peculiar to vessel 210 close.
The indicator light 218 is connected with the MCU211;When MCU211 is according to the control Signal-controlled switch portion got When part 212 is closed, the indicator light 218 is bright;When MCU211 is disconnected according to the control Signal-controlled switch component 212 got When, the indicator light 218 goes out.
When switch key 217 is down state, the indicator light 218 is bright;When switch key 217 is to bounce state, The indicator light 218 goes out.
The RS485 bus realizes communication by the way of balance transmission and differential received, it is preferred that bus can also be CAN bus.
Above-described embodiment the utility model has the advantages that by the way of bus, broadcast host cabinet has been connected with loudspeaker arrangement peculiar to vessel Come, loudspeaker arrangement peculiar to vessel is controlled using bus transfer communication protocol and the state of switch key, avoids rearranging net The problem of network;Address configuration unit configures the address of several loudspeaker arrangements peculiar to vessel, realizes the list of loudspeaker arrangement peculiar to vessel The function of solely controlling;Broadcast host cabinet is powered by power supply line to loudspeaker arrangement peculiar to vessel, is solved loudspeaker arrangement peculiar to vessel and is individually supplied The problem of electricity reduces power supply difficulty.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (8)

1. a kind of remote-controlled broadcasting system for ships characterized by comprising broadcast host cabinet and several loudspeaking dresses peculiar to vessel It sets;The loudspeaker arrangement peculiar to vessel includes microcontroller, switch block and loudspeaker;
The control signal output of the broadcast host cabinet is connected by bus with several described loudspeaker arrangements peculiar to vessel;Wherein, The bus includes the bus using master-slave communication mode;
The audio signal output end of the broadcast host cabinet is connected by audio signal wire with several described loudspeaker arrangements peculiar to vessel;
Each loudspeaker arrangement peculiar to vessel obtains the control signal of broadcast host cabinet output by bus, is obtained by audio signal wire The audio signal of broadcast host cabinet output;
Microcontroller is according to the closure/disconnection for controlling Signal-controlled switch component got in each loudspeaker arrangement peculiar to vessel;Respectively The audio signal obtained from audio signal wire in a loudspeaker arrangement peculiar to vessel is output to loudspeaker by switch block;
Wherein, each loudspeaker arrangement peculiar to vessel further includes power supply unit;The power output end of the broadcast host cabinet passes through power supply line It is connected with the power supply unit;The voltage that the power supply unit inputs the power supply line carries out voltage regulation filtering, and is converted into ship The operating voltage adapted to loudspeaker arrangement powers to the loudspeaker arrangement peculiar to vessel;
Each loudspeaker arrangement peculiar to vessel further includes switch key;The switch key is connected with the microcontroller;Work as switch key When for down state, where loudspeaker arrangement peculiar to vessel open;When switch key be bounce state when, where loudspeaking peculiar to vessel Device is closed.
2. remote-controlled broadcasting system for ships according to claim 1, which is characterized in that each loudspeaker arrangement peculiar to vessel also wraps Include address configuration unit;
Address configuration unit is connect with the microcontroller of the loudspeaker arrangement peculiar to vessel, for carrying out ground to the loudspeaker arrangement peculiar to vessel Location configuration.
3. remote-controlled broadcasting system for ships according to claim 1, which is characterized in that each loudspeaker arrangement peculiar to vessel also wraps Include interface unit;
Interface unit is connect with the microcontroller of the loudspeaker arrangement peculiar to vessel, and the interface level for will input from the bus turns Change Transistor-Transistor Logic level into.
4. remote-controlled broadcasting system for ships according to claim 1, which is characterized in that the loudspeaker arrangement peculiar to vessel further includes Indicator light;
The indicator light is connected with the microcontroller;When microcontroller is closed according to the control Signal-controlled switch component got When conjunction, the indicator light is bright;When microcontroller is disconnected according to the control Signal-controlled switch component got, the indicator light It goes out.
5. remote-controlled broadcasting system for ships according to claim 1, which is characterized in that the loudspeaker arrangement peculiar to vessel further includes Indicator light;
The indicator light is connected with the microcontroller;When switch key is down state, the indicator light is bright;When switch is pressed Key is when bouncing state, and described indicator light off.
6. remote-controlled broadcasting system for ships according to claim 1, which is characterized in that the bus is RS485 bus;Institute It states RS485 bus and realizes communication by the way of balance transmission and differential received.
7. remote-controlled broadcasting system for ships according to claim 6, which is characterized in that the control of the broadcast host cabinet is believed The Transistor-Transistor Logic level signal of number output end is converted into differential signal a, and the output of b two-way fills after bus transfer in each loudspeaking peculiar to vessel It sets and differential signal is restored into Transistor-Transistor Logic level signal.
8. remote-controlled broadcasting system for ships according to claim 1, which is characterized in that the sound of the broadcast host cabinet output Frequency signal voltage value is 120 volts.
CN201610630752.5A 2016-08-01 2016-08-01 A kind of remote-controlled broadcasting system for ships Active CN106254011B (en)

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Application Number Priority Date Filing Date Title
CN201610630752.5A CN106254011B (en) 2016-08-01 2016-08-01 A kind of remote-controlled broadcasting system for ships

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Application Number Priority Date Filing Date Title
CN201610630752.5A CN106254011B (en) 2016-08-01 2016-08-01 A kind of remote-controlled broadcasting system for ships

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CN106254011B true CN106254011B (en) 2019-10-18

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Publication number Priority date Publication date Assignee Title
CN106792372B (en) * 2017-02-23 2020-03-17 广州海格通信集团股份有限公司 Marine broadcasting equipment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2607700Y (en) * 2002-03-31 2004-03-24 梅军 Digital intelligent broadcasting system
JP2004260235A (en) * 2003-02-24 2004-09-16 Sharp Corp Digital broadcast receiver, digital broadcast transmitter, and catv system
CN201048453Y (en) * 2007-06-21 2008-04-16 武汉钢铁(集团)公司 Subarea broadcast controller of industry wired intercommunication system
WO2008072037A1 (en) * 2006-12-13 2008-06-19 Sony Ericsson Mobile Communications Ab Improved fm transmission system and method
CN102724094A (en) * 2012-07-07 2012-10-10 韶山恒旺电气有限公司 Multi-bus mine-use broadcast communication network based on priority
CN103532651A (en) * 2013-09-27 2014-01-22 株洲南车时代电气股份有限公司 High-reliability digitized train broadcasting system
CN103763053A (en) * 2014-01-07 2014-04-30 株洲南车时代电气股份有限公司 Broadcast controller and train broadcast control system
CN104460631A (en) * 2014-12-15 2015-03-25 浙江大丰实业股份有限公司 Distributed type stage sound effect unified allocation system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2607700Y (en) * 2002-03-31 2004-03-24 梅军 Digital intelligent broadcasting system
JP2004260235A (en) * 2003-02-24 2004-09-16 Sharp Corp Digital broadcast receiver, digital broadcast transmitter, and catv system
WO2008072037A1 (en) * 2006-12-13 2008-06-19 Sony Ericsson Mobile Communications Ab Improved fm transmission system and method
CN201048453Y (en) * 2007-06-21 2008-04-16 武汉钢铁(集团)公司 Subarea broadcast controller of industry wired intercommunication system
CN102724094A (en) * 2012-07-07 2012-10-10 韶山恒旺电气有限公司 Multi-bus mine-use broadcast communication network based on priority
CN103532651A (en) * 2013-09-27 2014-01-22 株洲南车时代电气股份有限公司 High-reliability digitized train broadcasting system
CN103763053A (en) * 2014-01-07 2014-04-30 株洲南车时代电气股份有限公司 Broadcast controller and train broadcast control system
CN104460631A (en) * 2014-12-15 2015-03-25 浙江大丰实业股份有限公司 Distributed type stage sound effect unified allocation system

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