CN104253664A - Train broadcasting control box based on Ethernet network - Google Patents
Train broadcasting control box based on Ethernet network Download PDFInfo
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- CN104253664A CN104253664A CN201410479252.7A CN201410479252A CN104253664A CN 104253664 A CN104253664 A CN 104253664A CN 201410479252 A CN201410479252 A CN 201410479252A CN 104253664 A CN104253664 A CN 104253664A
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Abstract
The invention discloses a train broadcasting control box based on an Ethernet network, and relates to a broadcast controller positioned in a cab in a train on-board broadcasting system. The train broadcasting control box comprises a central processing unit, an LCD module, a key module, a crystal oscillator, an SD card module and a buzzer module; the central processing unit is connected with an Ethernet network through an Ethernet interface; the LCD module, the key module, the crystal oscillator, the SD card module and the buzzer module are respectively and electrically connected with the central processing unit through an I/O bus; the central processing unit is connected with an audio encoding and decoding chip through an SPI bus, and is connected with a system debugging module through a JTAG interface and a UART interface; the audio encoding and decoding chip is respectively connected with an audio amplifier module and a microphone/pickup; the audio amplifier module is connected with a loudspeaker; the train broadcasting control box further comprises a power supply module for supplying electricity to other modules and a circuit. Through the adoption of the technical scheme, multiple functional requirements, such as the operation and control response mode with other equipment, the system software and firmware upgrading and reading of storage files in other places can be flexibly expanded, and the use cost and the maintenance cost are reduced.
Description
Technical field
The present invention relates to bullet train broadcast system and subway broadcasting system field, be specifically related to a kind of broadcasting for train control box based on ethernet network.
Background technology
Train-installed broadcast system is the important composition part of train passenger information system, it provides the functions such as site information is reported, the urgent intercommunication of site information display, manually broadcast, manually intercommunication and emergency during train operation, from the angle of application scenario, play a very important role.
Traditional driver operation terminal equipment built-in system structure is single, and driver's microphone of section terminating equipment is separated with loudspeaker, and button operation is single without prompting, interface, function singleness, by the pin of even just drawing from main control system form; Poor in human oriented design, easy misoperation, the pin leads that equipment room exists IO port is longer, is easily disturbed and causes signal attenuation, and the stability of a system is poor.
Summary of the invention
The object of the invention is to overcome prior art Problems existing, for train broadcasting system provides complete set based on the global function Broadcasting Control housing unit of ethernet network, improve the high reliability under the anti-interference of system and operational mode.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of broadcasting for train control box based on ethernet network, comprise the central processing unit being connected Ethernet by Ethernet interface, and the LCD display module of central processing unit is electrically connected respectively by I/0 bus, key-press module, crystal oscillator, SD card module and buzzer module, described Ethernet provides the VoP based on ICP/IP protocol for full car, control protocol packet, device status data bag, fault data bag, system state data bag, ICP/IP protocol is mainly in order to current state voice broadcast service priority of status provides judgement and control channel, display information shows, and fault upload function,
Described central processing unit connects audio coding decoding chip by spi bus, and central processing unit is by jtag interface and UART interface connected system debugging module;
Described audio coding decoding chip connects audio amplification block and microphone/pick-up respectively;
Described audio amplification block connects loud speaker;
Also comprise the power module for other module and circuit supply.
Further, the interface of described central processing unit and audio coding decoding chip chamber is I2C and I2S.
Further, described key-press module comprises the broadcast preference pattern button of artificial broadcast, semi-automatic broadcast, Auto broadcast, and intercommunication between driver and driver, driver and passenger's intercommunication talkback mode selection key, and platform website display and control, volume are controlled, the button of Speaker Quiet.
Further, described SD card module comprises audio format file, and its audio processing modules being digital communications network provides parsing material.
Further, described SD card module also comprises recording file, and its form comprises wmv and mp3.
Further, described power module comprises 110V and turns 12V, and 12V turns 5V, and 5V turns the multi-stage power source circuit of 3.3V.
Preferably, the circuit that in described power module, the 110V of first order power supply turns 12V adopts insulating power supply circuit, and it is by outside the earth and the complete isolation of this control box intrasystem " hold ".
Ethernet network communication environment, adopt 100,000,000 (4 cores) or gigabit (8 core) ethernet network interface, for passenger's inter-vehicle information system provides the communication interface with other equipment, be mainly full car and provide VoP, control protocol packet, device status data bag, fault data bag, system state data bag etc. based on ICP/IP protocol, agreement is mainly in order to current state voice broadcast service priority of status provides the function such as judgement and control channel, display information display and fault upload.
Numerical software module required in the present invention is mainly used for detecting " heartbeat " signal of digital channel the whole network all devices, whether what judge each equipment in system with this is in " online " state, whether communication is normal for digital network, also can judge whether operational order is delivered to follow-up associate device by returning of instruction.
The invention has the beneficial effects as follows:
1, Broadcasting Control housing unit realizes the global function broadcast effect of train under digital communications network, system run all right;
2, Broadcasting Control housing unit can expand several functions demand flexibly, and the strange land reading etc. with the operation of other equipment rooms and control response pattern, systems soft ware firmware upgrade, storage file, reduces use cost and maintenance cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is central processing unit (CPU) and Ethernet interface figure;
Fig. 3 is central processing unit (CPU) inside and outside interface schema;
Fig. 4 is audio coding decoding chip and central processing unit (CPU) interface schema;
Fig. 5 is that in power module, 110V turns 12V circuit;
Fig. 6 is that in power module, 12V turns 5V circuit;
Fig. 7 is that in power module, 5V turns 3.3V circuit;
Fig. 8 is key-press module circuit;
Fig. 9 is SD card module circuit;
Figure 10 is audio amplification block and loud speaker connecting circuit;
Figure 11 is that system debug module is by UART and jtag circuit.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
As shown in Figure 1, a kind of broadcasting for train control box based on ethernet network, comprise and connect the central processing unit of Ethernet by Ethernet interface, and be electrically connected the LCD display module of central processing unit, key-press module, crystal oscillator, SD card module and buzzer module respectively by I/0 bus;
Described central processing unit connects audio coding decoding chip by spi bus, and central processing unit is by jtag interface and UART interface connected system debugging module;
Described system debug module is made up of UART, JTAG two kinds, as shown in figure 11, UART is universal asynchronous communication serial port, it is a kind of asynchronous receiving-transmitting transmitter, this bus two-way communication, data is transmitted by serial communication and parallel communications intercropping and changes, the chip of Serial output is become as parallel input, usually be integrated in the link of other communication interfaces, as RS232 interface etc., be mainly used to the implementation status of monitoring system in CPU, for operations such as specific instruction feedback and information readings, JTAG is combined testing action group, be mainly used for the close beta of chip, the functions such as on-line system programming ISP can be realized, be mainly used in the internal debugging of chip functions, the application such as the download of program.
Described audio coding decoding chip connects audio amplification block and microphone/pick-up respectively;
Described audio amplification block connects loud speaker, as shown in Figure 10, audio amplification block amplifies the simulated audio signal exported, power amplifier adopts class-D amplifier design, amplified by TDA7493 audio chip in the middle of the loud speaker exporting 3W8OHM to, there is the advantages such as the high and low power consumption of conversion efficiency, low level signal amplification to enough power stages are gone out loud speaker, to promote speaker operation;
Also comprise the power module for other module and circuit supply.
In the present embodiment, as shown in Figures 2 and 3, central processing unit (CPU) is containing needing the ethernet network connecting interface of PHY function, directly networking number is resolved after being connected with CPU by the data-interface transformed, system module is connected with central processor CPU with UART interface by JTAG, can carry out program operating debugging in CPU, the download of execute file UBOOT, the work such as software codec and upgrading; Buzzer module carries out by CPU I/O pin the switch controlling additional 3V or 5V voltage, closes or open its work by I/O pin, by the output waveform of software set different frequency, can hear multi-form sound; LCD display module is undertaken being connected communication by the I/O pin of CPU with Keysheet module, is realized the display of LCD information by EPI outside expansion input input pin; The crystal oscillator of host CPU is provided by 16MHz and 25MHz two crystal oscillators, and a road provides reference clock frequency for CPU, and the 100 m ethernet network that is system provides the reference frequency of 25MHz; As shown in Figure 4, audio coding decoding chip module is connected with CPU, is connected and realizes master & slave control, process the packet from digital network and control protocol, mainly contain the interfaces such as I2S and I2C by spi bus; CPU master chip carries out the read-write operation of data simultaneously to SD card module in addition, can automatic compiling and decoding all kinds of audio format file, leave in the middle of SD card, be convenient to user and consult; The data of audio coding decoding chip in system to microphone or pick-up are carried out digital manipulation and are sent to ethernet network, or be by network in the middle of audio file resolve to simulated audio signal after, amplified in the middle of the loud speaker exporting 3W8OHM to by TDA7493 audio chip.
The interface of described central processing unit and audio coding decoding chip chamber is I2C and I2S.
Described key-press module comprises artificial broadcast, semi-automatic broadcast, the broadcast preference pattern button of Auto broadcast, and intercommunication between driver and driver, the talkback mode selection key of driver and passenger's intercommunication, and to platform website display and control, volume controls, the button of Speaker Quiet, as shown in Figure 8, its process realized and mode are responsible for the management of whole equipment and the core of allotment by central processing unit (CPU), need to carry out real time communication to the information displaying output of LCD display and the trigger state input of keyboard, the broadcast of various pattern is contained as artificial broadcast inside keyboard, semi-automatic broadcast, the pattern of Auto broadcast etc., and different talkback mode is as intercommunication between driver and driver, driver and passenger's intercommunication etc.
As shown in Figure 9, depositing of multimedia messages is all be placed in the middle of SD card module, its SD card contains all kinds of audio format file, systems soft ware etc., simultaneously also for the audio processing modules of digital communications network provides parsing material, can export according to carrying out being decoded into audio signal from ethernet network digital signal, also the system that the can be both sides be under talkback mode provide the audio-frequency information typing action of intercommunication, carry out being saved in SD card with forms such as form wmv or MP3 specified, read to facilitate user.Exception, for the realization that the reading, system upgrade etc. of strange land data on file operate, its method is data in this SD card all can based on other equipment in ethernet network after being successfully connected with program, by the design software of specifying, the data in card downloaded, read, write and system upgrade in the SD card in this Broadcasting Control box.
Described power module comprises 110V and turns 12V(as shown in Figure 5), 12V turns 5V(as shown in Figure 6), 5V turns 3.3V(as shown in Figure 7) multi-stage power source circuit, 110V turns 12V power module formula and the direct current of 110V is converted to DC12V and DC5V power supply required for modules, it is adopt insulating power supply design that the 110V of first order power supply turns 12V module, by the earth of outside and system " " carry out complete isolation, raising system high reliability and EMC test level, EMC content for the electromagnetic compatibility aspect of various external environment condition has done safeguard procedures, as increased X class and Y class electric capacity, piezo-resistance, PI type filter circuit design etc., power module has done power deratng design simultaneously, ensure that power supply is in absolute normal range of operation, reduce caloric value, in addition, the input and output of power module have the instruction of LED power lamp state, and containing 110V input, 24V exports and 5V exports the instruction of LED state.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the broadcasting for train control box based on ethernet network, it is characterized in that, comprise the central processing unit being connected Ethernet by Ethernet interface, and the LCD display module of central processing unit is electrically connected respectively by I/0 bus, key-press module, crystal oscillator, SD card module and buzzer module, described Ethernet provides the VoP based on ICP/IP protocol for full car, control protocol packet, device status data bag, fault data bag, system state data bag, ICP/IP protocol is mainly in order to current state voice broadcast service priority of status provides judgement and control channel, display information shows, and fault upload,
Described central processing unit connects audio coding decoding chip by spi bus, and central processing unit is by jtag interface and UART interface connected system debugging module;
Described audio coding decoding chip connects audio amplification block and microphone/pick-up respectively;
Described audio amplification block connects loud speaker;
Also comprise the power module for other module and circuit supply.
2. the broadcasting for train control box based on ethernet network according to claim 1, is characterized in that, the interface of described central processing unit and audio coding decoding chip chamber is I2C and I2S.
3. the broadcasting for train control box based on ethernet network according to claim 1, it is characterized in that, described key-press module comprises the broadcast preference pattern button of artificial broadcast, semi-automatic broadcast, Auto broadcast, and intercommunication between driver and driver, driver and passenger's intercommunication talkback mode selection key, and platform website display and control, volume are controlled, the button of Speaker Quiet.
4. the broadcasting for train control box based on ethernet network according to claim 1, is characterized in that, described SD card module comprises audio format file, does is it is the audio processing modules of digital communications network (which comes?) parsing material is provided.
5. the broadcasting for train control box based on ethernet network according to claim 1 or 4, is characterized in that, described SD card module also comprises recording file, and its form comprises wmv and mp3.
6. the broadcasting for train control box based on ethernet network according to claim 1, is characterized in that, described power module comprises 110V and turns 12V, and 12V turns 5V, and 5V turns the multi-stage power source circuit of 3.3V.
7. the broadcasting for train control box based on ethernet network according to claim 1 or 6, it is characterized in that, the circuit that in described power module, the 110V of first order power supply turns 12V adopts insulating power supply circuit, and it is by outside the earth and the complete isolation of this control box intrasystem " hold ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479252.7A CN104253664B (en) | 2014-09-18 | A kind of broadcasting for train control box based on ethernet network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479252.7A CN104253664B (en) | 2014-09-18 | A kind of broadcasting for train control box based on ethernet network |
Publications (2)
| Publication Number | Publication Date |
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| CN104253664A true CN104253664A (en) | 2014-12-31 |
| CN104253664B CN104253664B (en) | 2018-08-31 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767497A (en) * | 2015-03-11 | 2015-07-08 | 大连理工大学 | Subway train broadcast volume automatic adjustment method |
| CN104796210A (en) * | 2015-03-23 | 2015-07-22 | 上海富欣智能交通控制有限公司 | Broadcasting control box |
| CN106792372A (en) * | 2017-02-23 | 2017-05-31 | 广州海格通信集团股份有限公司 | Marine public address system |
| CN107343227A (en) * | 2016-12-14 | 2017-11-10 | 上海申际轨道交通设备发展有限公司 | A kind of track traffic emergency communicating control method and device |
| CN108438005A (en) * | 2017-02-10 | 2018-08-24 | 纳博特斯克有限公司 | Platform door system |
| CN110381154A (en) * | 2019-07-25 | 2019-10-25 | 天津七一二通信广播股份有限公司 | A kind of radio control box Ethernet remote transmission device and its implementation |
| CN111026325A (en) * | 2018-10-09 | 2020-04-17 | 慧荣科技股份有限公司 | Flash memory controller, control method of flash memory controller and related electronic device |
| CN114545821A (en) * | 2022-02-15 | 2022-05-27 | 四川九洲空管科技有限责任公司 | Terminal control system for collecting and playing audio of airborne passenger cabin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203151513U (en) * | 2013-03-15 | 2013-08-21 | 新钶电子(上海)有限公司 | Train driver multifunctional digital broadcasting main control device |
| CN103349549A (en) * | 2013-07-23 | 2013-10-16 | 上海海神医疗电子仪器有限公司 | Threefold isolation anti-jamming circuit used for electromyogram evoked potential equipment |
| CN103401628A (en) * | 2013-08-15 | 2013-11-20 | 天津市北海通信技术有限公司 | Broadcasting control box circuit |
| CN103684854A (en) * | 2013-11-28 | 2014-03-26 | 易程（苏州）智能系统有限公司 | Full-function digital-analog hybrid intelligent broadcast system for trains |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203151513U (en) * | 2013-03-15 | 2013-08-21 | 新钶电子(上海)有限公司 | Train driver multifunctional digital broadcasting main control device |
| CN103349549A (en) * | 2013-07-23 | 2013-10-16 | 上海海神医疗电子仪器有限公司 | Threefold isolation anti-jamming circuit used for electromyogram evoked potential equipment |
| CN103401628A (en) * | 2013-08-15 | 2013-11-20 | 天津市北海通信技术有限公司 | Broadcasting control box circuit |
| CN103684854A (en) * | 2013-11-28 | 2014-03-26 | 易程（苏州）智能系统有限公司 | Full-function digital-analog hybrid intelligent broadcast system for trains |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767497A (en) * | 2015-03-11 | 2015-07-08 | 大连理工大学 | Subway train broadcast volume automatic adjustment method |
| CN104796210A (en) * | 2015-03-23 | 2015-07-22 | 上海富欣智能交通控制有限公司 | Broadcasting control box |
| CN107343227A (en) * | 2016-12-14 | 2017-11-10 | 上海申际轨道交通设备发展有限公司 | A kind of track traffic emergency communicating control method and device |
| CN108438005A (en) * | 2017-02-10 | 2018-08-24 | 纳博特斯克有限公司 | Platform door system |
| CN106792372A (en) * | 2017-02-23 | 2017-05-31 | 广州海格通信集团股份有限公司 | Marine public address system |
| 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 |
| CN111026325A (en) * | 2018-10-09 | 2020-04-17 | 慧荣科技股份有限公司 | Flash memory controller, control method of flash memory controller and related electronic device |
| CN110381154A (en) * | 2019-07-25 | 2019-10-25 | 天津七一二通信广播股份有限公司 | A kind of radio control box Ethernet remote transmission device and its implementation |
| CN114545821A (en) * | 2022-02-15 | 2022-05-27 | 四川九洲空管科技有限责任公司 | Terminal control system for collecting and playing audio of airborne passenger cabin |
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