CN202931371U - Intelligent broadcast frequency modulation modulator - Google Patents
Intelligent broadcast frequency modulation modulator Download PDFInfo
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- CN202931371U CN202931371U CN 201220600415 CN201220600415U CN202931371U CN 202931371 U CN202931371 U CN 202931371U CN 201220600415 CN201220600415 CN 201220600415 CN 201220600415 U CN201220600415 U CN 201220600415U CN 202931371 U CN202931371 U CN 202931371U
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- module
- broadcast frequency
- intelligent broadcast
- modulation modulator
- frequency modulation
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Abstract
The utility model discloses an intelligent broadcast frequency modulation modulator, comprising a cabinet. A master control module and a power supply module are arranged in the cabinet and are in connection by power supply lines. The intelligent broadcast frequency modulation modulator also comprises a front board [FB (D&C)] and a back board, wherein the master control module and the front board and the back board of the cabinet are in connection and communication through radio frequency connecting lines and data lines. The beneficial effects are that besides an audio frequency modulation function, the intelligent broadcast frequency modulation modulator can realize the function of modulating character information and network management information after coding; the intelligent broadcast frequency modulation modulator can accept superior remote network management and can also perform remote network management on subordinate equipment; besides, the intelligent broadcast frequency modulation modulator can modulate and transmit routine information sources and can also process emergent inter-cut requirements emitted by wire phones and mobile devices; the intelligent broadcast frequency modulation modulator has the characteristics of hierarchical broadcast control, simple operation, powerful functions and strong security, is monitorable and can realize broadcast automatic control in county and township machine rooms with unattended operation.
Description
Technical field
The utility model relates to a kind of broadcast system frequency interleaved modulation modulator, is specifically related to a kind of intelligent broadcast system frequency interleaved modulation modulator that can carry out Remote Management of Network, monitoring.
Background technology
At present common countryside broadcast system only realizes that with frequency interleaved modulation modulator just audio signal is modulated into fm carrier signal, by wireless or cable TV altogether the cable system be sent to the function of FM reception terminal.This kind equipment stability is high, tonequality is good, the Out-of-band rejection degree is high, can satisfy the cable system requirement that transmits the multiple spot fm broadcast signal altogether of adjacent cable TV frequently, be widely used in wired broadcasting TV station, small towns and studio, village, also be fit to very much campus cable television system co-cable transmission fm broadcast signal.But these type of functions of the equipments are simple, easily are disturbed, and must artificial execute-in-place, can't remote monitoring, run into that event urgent, burst easily lost efficacy or out of control.
The utility model content
The utility model has overcome the deficiencies in the prior art, provides a kind of with webmaster, remote controlled intelligent broadcast frequency interleaved modulation modulator, has solved in present countryside broadcast system the technical problems such as frequency interleaved modulation modulator is backward in technique, function singleness.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of intelligent broadcast frequency interleaved modulation modulator comprises cabinet, and cabinet inside is installed main control module, power module, and above-mentioned main control module and power module are connected to each other with power line; Above-mentioned intelligent broadcast frequency interleaved modulation modulator also comprises front panel and rear board, and above-mentioned main control module is connected and communication with data wire by the radio frequency connecting line with the front panel of cabinet, rear board.
As preferably, above-mentioned main control module (being cpu circuit) region is the veneer modular design, specifically comprise FM transmitter module, FM receiver module, telephone module, radio telephone gsm module, information source selection module and EEPROM module, above-mentioned FM transmitter module, FM receiver module, telephone module, radio telephone gsm module, information source are selected to be connected to each other with data wire between module and EEPROM module.Above-mentioned FM transmitter module adopts RDS coding and frequency modulation pattern to send various command informations.Highest RDS instruction is sent by the highest slice intelligent modulator of system, and subordinate's modulator must forward higher level's signal RDS instruction of receiving to the frequency modulated carrier of all unlatchings of the machine.Local RDS instruction of inserting only need be forwarded on the frequency modulated carrier of coverage goal terminal area.EEPROM module (being memory), the machine numbering, address information, FM receive frequency and the FM tranmitting frequency of main storage center machine room definition are carried out network management and monitoring for headend equipment.
As preferably, the input port of above-mentioned FM receiver module receives the FM signal by coaxial cable or wireless network, passes to the information source selection module that is connected with the FM receiver module after the FM receiver module is processed the FM signal again.
As preferably, above-mentioned telephone module has the RJ11 port, and above-mentioned radio telephone gsm module has antenna, and above-mentioned telephone module receives signal by the RJ11 port, and above-mentioned radio telephone gsm module passes through antenna receiving signal; Above-mentioned telephone module or radio telephone gsm module are connected the information source that is connected with them again and select module with the encoding and decoding output audio signal by modulation /demodulation.
As preferably, above-mentioned front panel is connected with information source selection module by the address date line.
As preferably, above-mentioned main control module also comprises the reservation module, so that expansion is used; Above-mentioned power module has two, backups each other, and can improve fail safe.
As preferably, above-mentioned front panel is connected with main control module and communication by the data address transmission line, front panel is given main control module (being cpu circuit) with the management control command of the machine by serial ports, shows simultaneously current information source channel information and the information such as reception, tranmitting frequency of the machine.
As preferably, above-mentioned front panel includes LCDs, monitors stand, microphone stand, earphone socket, a plurality of membrane keyboard, a plurality of LED state indicator light and safety control lock.
As preferably, above-mentioned rear board includes F Connection Block, UART serial ports, telephony interface, GSM interface, a plurality of stereo input/output interface, power interface.
As preferably, contained each veneer module (specifically comprising the modules such as FM transmitter module, FM receiver module, telephone module, radio telephone gsm module, information source selection module and EEPROM) of above-mentioned main control module is arranged in same box body, and casing is provided with the interface that is connected with each module outward.
Compared with prior art, the beneficial effects of the utility model are:
1, except the voice modulation function, can also realize modulating after the coding to Word message and network management information;
2, equipment itself both can be accepted higher level's Remote Management of Network, also can carry out Remote Management of Network to subordinate equipment;
3, can carry out modulation and transmission to conventional information source, that can process also that telephone, mobile device send emergently intercuts request;
4, classification Broadcast Control, simple to operate, powerful, high safety can be monitored;
5, can realize broadcasting broadcast control automatically, unattended operation at county and town's level machine room.
Description of drawings
Fig. 1 is the utility model cabinet inside cross section structure figure;
Fig. 2 is internal circuit signal block diagrams of the present utility model;
Fig. 3 is the utility model electrical principle block diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Fig. 1,3, a kind of intelligent broadcast frequency interleaved modulation modulator comprises cabinet, and its feature cabinet inside is installed main control module, power module, and above-mentioned main control module and power module are connected to each other with power line; Above-mentioned intelligent broadcast frequency interleaved modulation modulator also comprises front panel and rear board, and above-mentioned main control module is connected and communication with data wire by the radio frequency connecting line with the front panel of cabinet, rear board.Main control module (being cpu circuit) region is the veneer modular design, specifically comprise FM transmitter module, FM receiver module, telephone module, radio telephone gsm module, information source selection module and EEPROM module, above-mentioned FM transmitter module, FM receiver module, telephone module, radio telephone gsm module, information source are selected to be connected to each other with data wire between module and EEPROM module.the input port of FM receiver module receives the FM signal by coaxial cable or wireless network, pass to again the information source that is connected with the FM receiver module after the FM receiver module is processed the FM signal and select module (in an embodiment, what we used is that 74HC4051*8 Audio Matrix circuit is selected module as information source, but also can replace with any hardware that can substitute foregoing circuit on the market), radio telephone gsm module and telephone module are (in an embodiment, our radio telephone gsm module and telephone inside modules include the AS2533 integrated circuit, the MG323-B integrated circuit, ISD17240 speech chip and MT8870D codec chip).Above-mentioned telephone module has the RJ11 port, and above-mentioned radio telephone gsm module has antenna, and above-mentioned telephone module receives signal by the RJ11 port, and above-mentioned radio telephone gsm module passes through antenna receiving signal; Above-mentioned telephone module or radio telephone gsm module are connected the information source that is connected with them again and select module with the encoding and decoding output audio signal by modulation /demodulation.Above-mentioned front panel selects module to be connected by the address date line of single-chip microcomputer with information source; Above-mentioned main control module also comprises the reservation module; Above-mentioned power module has two, backups each other.Above-mentioned front panel is connected with main control module and communication by the asynchronous serial serial ports.Above-mentioned front panel includes LCDs, monitors stand, microphone stand, earphone socket, a plurality of membrane keyboard, a plurality of LED state indicator light (number can be selected as required) and status lock.
Rear board includes F Connection Block, UART serial ports, telephony interface, GSM interface, a plurality of stereo input/output interface (number can be selected as required), power interface.Each contained veneer module of main control module is arranged in same casing, and casing is provided with the interface that is connected with each module outward.
Fig. 2 is that the utility model intelligent broadcast frequency interleaved modulation modulator electric signal flows to schematic diagram.Electric signal of the present utility model is specific as follows:
1, the FM signal of front end offers the FM receiver module through coaxial cable or wireless network by input port (FMin) input; FM receiver module (FMr1 and FMr2) carries out signal solution mediation RDS decoding output audio signal to the FM signal, and audio signal is given respectively monitoring circuit Ao or telephone module and information source and selected module.
2, give respectively telephone module (Phone) and radio telephone gsm module by the signal that intercuts of telephone transmission network by RJ11 port or GSM antenna; Telephone module or radio telephone gsm module are given information source by modulation /demodulation and encoding and decoding output audio signal again and are selected module.
3, the audio input circuits such as MIC, AUX1, AUX2, AUX3 are given information source with local broadcast signal and are selected module.
4, front panel (FB (D﹠amp; C)) " the information source selection instruction " of " the information source selection instruction " of input and main control module given information source by the address date line of single-chip microcomputer and selected module, information source selects module to monitor to Ao port, telephone module (Phone), radio telephone gsm module, this locality respectively according to the instruction output audio signal, also exports to the FM transmitter module simultaneously; The FM transmitter module carries out audio signal to give mixting circuit after RDS coding and FM modulation, then exports through FM output port (FMout).
5, the machine numbering, address information, FM receive frequency and the FM tranmitting frequency of the definition of the main storage center machine room of EEPROM, carrying out network management and monitoring for headend equipment is to use and the management of the machine cpu circuit is used.
6, front panel (FB (D﹠amp; C)) module is given cpu circuit with the management control command of the machine by serial ports, shows simultaneously current information source channel information and the information such as reception, tranmitting frequency of the machine.
7, cpu circuit is crossed the address data signal passage with the supervisory instruction information exchange and is transferred to respectively modules.
8, Ac can increase or reduce the volume of earphone or loudspeaker.
9, alternating current 220V provides DC power supply ± 5V and 3.3V by power module for each functional module of controller.
Although with reference to most preferred embodiment of the present utility model, the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and execution modes, and these are revised and within execution mode will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (9)
1. an intelligent broadcast frequency interleaved modulation modulator, comprise cabinet, it is characterized in that: cabinet inside is installed main control module, power module, and described main control module and power module are connected to each other with power line; Described intelligent broadcast frequency interleaved modulation modulator also comprises front panel and rear board, and described main control module is connected and communication with data wire by the radio frequency connecting line with front panel, the rear board of cabinet.
2. intelligent broadcast frequency interleaved modulation modulator according to claim 1, it is characterized in that: described main control module region is the veneer modular design, specifically comprise FM transmitter module, FM receiver module, telephone module, radio telephone gsm module, information source selection module and EEPROM module, described FM transmitter module, FM receiver module, telephone module, radio telephone gsm module, information source are selected to be connected to each other with data wire between module and EEPROM module.
3. intelligent broadcast frequency interleaved modulation modulator according to claim 2, it is characterized in that: the input port of described FM receiver module receives the FM signal by coaxial cable or wireless network, passes to the information source that is connected with the FM receiver module after the FM receiver module is processed the FM signal again and selects module.
4. intelligent broadcast frequency interleaved modulation modulator according to claim 2, it is characterized in that: described telephone module has the RJ11 interface, described radio telephone gsm module has antenna, described telephone module receives signal by the RJ11 interface, and described radio telephone gsm module passes through antenna receiving signal; Described telephone module or radio telephone gsm module are connected the information source that is connected with them again and select module with the encoding and decoding output audio signal by modulation /demodulation.
5. intelligent broadcast frequency interleaved modulation modulator according to claim 2 is characterized in that: described front panel is connected with information source selection module by the address date line of single-chip microcomputer.
6. intelligent broadcast frequency interleaved modulation modulator according to claim 2, it is characterized in that: described main control module also comprises the reservation module; Described power module has two, backups each other.
7. intelligent broadcast frequency interleaved modulation modulator according to claim 1 is characterized in that: described front panel includes LCDs, monitors stand, microphone stand, earphone socket, a plurality of membrane keyboard, a plurality of LED state indicator light and safety control lock.
8. intelligent broadcast frequency interleaved modulation modulator according to claim 1, it is characterized in that: described rear board includes F Connection Block, UART serial ports, telephony interface, GSM interface, a plurality of stereo input/output interface, power interface.
9. intelligent broadcast frequency interleaved modulation modulator according to claim 2, it is characterized in that: each contained veneer module of described main control module is arranged in same cabinet, and casing is provided with the interface that is connected with each module outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600415 CN202931371U (en) | 2012-11-15 | 2012-11-15 | Intelligent broadcast frequency modulation modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600415 CN202931371U (en) | 2012-11-15 | 2012-11-15 | Intelligent broadcast frequency modulation modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931371U true CN202931371U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220600415 Expired - Fee Related CN202931371U (en) | 2012-11-15 | 2012-11-15 | Intelligent broadcast frequency modulation modulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN202931371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929262A (en) * | 2014-04-29 | 2014-07-16 | 天津市黎明时代轨道交通技术有限公司 | Digital broadcasting server based on public broadcasting system |
| CN107707365A (en) * | 2017-11-08 | 2018-02-16 | 中国电子科技集团公司第二十八研究所 | A kind of radio station remote control switch controller and control method |
-
2012
- 2012-11-15 CN CN 201220600415 patent/CN202931371U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929262A (en) * | 2014-04-29 | 2014-07-16 | 天津市黎明时代轨道交通技术有限公司 | Digital broadcasting server based on public broadcasting system |
| CN107707365A (en) * | 2017-11-08 | 2018-02-16 | 中国电子科技集团公司第二十八研究所 | A kind of radio station remote control switch controller and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20181115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |