CN202696621U - Radio receiving and forwarding controller - Google Patents
Radio receiving and forwarding controller Download PDFInfo
- Publication number
- CN202696621U CN202696621U CN 201220314847 CN201220314847U CN202696621U CN 202696621 U CN202696621 U CN 202696621U CN 201220314847 CN201220314847 CN 201220314847 CN 201220314847 U CN201220314847 U CN 201220314847U CN 202696621 U CN202696621 U CN 202696621U
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Abstract
The utility model discloses a radio receiving and forwarding controller. The radio receiving and forwarding controller mainly comprises a data receiving and forwarding system and an audio switching system, wherein the data receiving and forwarding system is formed by connecting a radio frequency detection circuit, an RSD (Remote Data Service) data processing part, a microcontroller data processing part and the like; a radio frequency signal enters a demodulation circuit and then is subjected to stereo decoding inside a radio receiving module, deemphasis and RSD data processing to reduce a data signal and an acoustic signal; and the data signal is identified, checked and encoded by the microcontroller and then is transferred to next stage. The audio switching system is demodulated by the radio frequency signal to obtain an acoustic signal; the acoustic signal is pre-amplified; the pre-amplified acoustic signal and a microphone input signal are respectively transmitted into an audio source electronic switch; and output audio is switched between a radio and a microphone; and the audio output amplitude is controlled by an electronic volume regulator. The radio receiving and forwarding controller disclosed by the utility model has the advantages that the functions of data receiving and forwarding and remote automatic controlled are achieved, a traditional coaxial cable or wireless receiving data signal can be fully utilized and the data and audio frequency can be demodulated.
Description
Technical field
The utility model relates to a kind of broadcast singal transmission equipment, especially relates to the receipts transcoder controller of data and audio frequency in a kind of emergent intelligent broadcast system.
Background technology
In emergent intelligent broadcast system, often be separated by between front end encoding device and the addressable amplifier remote, and be subjected to landform, environment, physics etc. can not change the impact of factor, cause the normally signal of receiving front-end encoder of amplifier, cause the amplifier cisco unity malfunction even quit work fully; Because various places control requires differently, can by to receiving the pattern setting of transcoder controller, can work between the control controlled and at the corresponding levels so that receive transcoder controller; In addressable broadcast system, common amplifier is controlled by higher level's encoder usually directly, like this when co-channel interference is arranged, and the amplifier cisco unity malfunction;
Traditional receipts transcoder controller, controlled by the higher level, it is higher level's priority function, when in subordinate emergent broadcast being arranged like this, can not in time broadcast by receiving transcoder controller, and transcoder controller is received by a new generation, can work in addressed state and state of a control at the corresponding levels, namely receive transcoder controller and can work as the amplifier use, directly with high power broadcast equipment such as source of sound output access enlargers; If work in state of a control at the corresponding levels, then can carry out emergent broadcast by microphone.
Summary of the invention
The utility model has overcome shortcoming of the prior art, provide a kind of convenience, the practical data audio frequency with emergent intelligent broadcast system to receive and turn equipment, can take full advantage of existing coaxial cable or pass through the reception of wireless signals data, overcome dexterously with a varied topography, in the abominable situation of environment, the difficult problem of addressable amplifier cisco unity malfunction.
The technical solution of the utility model is: transcoder controller is received in a kind of broadcasting, comprise that data receive the Audio conversion system of transfering from one department to another to unify, described data are received and are transfered from one department to another system by several parts connections such as radio frequency testing circuit, radio reception module, the processing of RDS data, the processing of microcontroller data, after radiofrequency signal enters demodulator circuit, through radio reception inside modules stereo decoding, postemphasis, the RDS data are processed, finally restore data-signal and audio signal, wherein then data-signal continues to import data-signal into subordinate through microcontroller identification, verification and coding.Described Audio conversion system is comprised of one tunnel radio reception source of sound and microphone input, and radiofrequency signal with the audio signal that obtains, and through preposition amplification, is sent into electronic switch or the relay of control source of sound output through after the demodulation; The microphone input, through the preposition amplification of microphone, send into electronic switch or the relay of control source of sound output, microcontroller is to the control of electronic switch or relay, output audio is switched between broadcasting and microphone, and by electronic sound volume adjuster control output audio amplitude.
Described radio reception inside modules has signal strength detection and RDS data processing circuit.
Described radio reception inside modules RDS data are processed with the audio frequency demodulation by microprocessor controls, and are connected communication by the RS232 serial ports with the outside.
Described frequency switch circuit is connected to the microphone input circuit.
Described audio frequency output band is monitored loudspeaker and electronic sound volume control circuit.
Compared with prior art, the utility model has the advantages that:
1, the radio demodulating system that has high-technology index guarantees that the technical indicator in data handling procedure is good;
2, have local signal insertion system function, in the time of can emergent broadcast being arranged in subordinate, by forcing button, carry out microphone broadcasting;
3, have data decode and encoding function, can according to higher level's control needs, carry out the secondary coding of data;
4, transfer of data adopts the RDS wireless data transmission protocols, so that transfer of data is reliable, and working stability;
5, have with the computer expert and cross the function that RS232 communicates by letter, by hyper terminal device parameter is made amendment, antijamming capability is strong simultaneously, produces debugging convenient.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is signal flow schematic diagram of the present utility model.
Embodiment
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
As shown in Figure 1, transcoder controller is received in a kind of broadcasting, comprises that data receive the Audio conversion system of transfering from one department to another to unify.
Data are received and are transfered from one department to another system by several parts connections such as radio frequency testing circuit, radio demodulating, the processing of RDS data, the processing of microcontroller data, after radiofrequency signal enters demodulator circuit, through radio reception inside modules stereo decoding, postemphasis, the RDS data are processed, finally restore data-signal and audio signal, wherein then data-signal continues to import data-signal into subordinate through microcontroller identification, verification and coding.Described Audio conversion system is comprised of one tunnel radio reception source of sound and microphone input, and radiofrequency signal with the audio signal that obtains, and through preposition amplification, is sent into electronic switch or the relay of control source of sound output through after the demodulation; The microphone input, through the preposition amplification of microphone, send into electronic switch or the relay of control source of sound output, microcontroller is by the control to electronic switch or relay, output audio is switched between broadcasting and microphone, and by electronic sound volume adjuster control output audio amplitude.This receipts transcoder controller can connect computer by serial ports, by hyper terminal device parameter is configured and revises.According to user's needs, setting is configured to pattern, so that controlled more convenient.
The utility model also arranges serial communication interface, can be configured modification to device parameter by hyper terminal, panel designs has the data indicator light, can judge the operating state of receiving transcoder controller by the state of indicator light, band microphone input function makes things convenient for the user to carry out local emergent broadcast.
Operation principle of the present utility model is:
1, the radiofrequency signal sent here of front end through after the demodulation, is reduced into data-signal and audio signal, by microcontroller data is carried out verification, encoding and decoding, by serial ports data is sent into modulator, make data and audio mix after, modulate away again;
When 2, having inserted local microphone and carry out local emergent broadcast, at first make and receive transcoder controller and enter forced regime, the access microphone can carry out microphone broadcasting.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. transcoder controller is received in a broadcasting, it is characterized in that: comprise that data receive the Audio conversion system of transfering from one department to another to unify, described data are received to transfer from one department to another to unite and are processed and formed by radio frequency testing circuit, radio reception module, the processing of RDS data, microcontroller data, after radiofrequency signal enters demodulator circuit, through radio reception inside modules stereo decoding, postemphasis, the RDS data are processed, finally restore data-signal and audio signal, wherein then data-signal continues to import data-signal into subordinate through microcontroller identification, verification and coding; Described Audio conversion system is comprised of one tunnel radio reception source of sound and microphone input, and radiofrequency signal with the audio signal that obtains, and through preposition amplification, is sent into electronic switch or the relay of control source of sound output through after the demodulation; The microphone input, through the preposition amplification of microphone, send into electronic switch or the relay of control source of sound output, microcontroller is by the control to electronic switch or relay, output audio is switched between broadcasting and microphone, and by electronic sound volume adjuster control output audio amplitude.
2. transcoder controller is received in broadcasting according to claim 1, and described radio reception inside modules has signal strength detection and RDS data processing circuit.
3. transcoder controller is received in broadcasting according to claim 1, and described radio reception inside modules RDS data are processed with the audio frequency demodulation by microprocessor controls, and is connected communication by the RS232 serial ports with the outside.
4. transcoder controller is received in broadcasting according to claim 1, and described frequency switch circuit is connected to the microphone input circuit.
5. transcoder controller is received in broadcasting according to claim 1, and described audio frequency output band is monitored loudspeaker and electronic sound volume control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314847 CN202696621U (en) | 2012-07-02 | 2012-07-02 | Radio receiving and forwarding controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314847 CN202696621U (en) | 2012-07-02 | 2012-07-02 | Radio receiving and forwarding controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202696621U true CN202696621U (en) | 2013-01-23 |
Family
ID=47552171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220314847 Expired - Fee Related CN202696621U (en) | 2012-07-02 | 2012-07-02 | Radio receiving and forwarding controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202696621U (en) |
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2012
- 2012-07-02 CN CN 201220314847 patent/CN202696621U/en not_active Expired - Fee Related
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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: 20130123 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |