CN205986898U - FM broadcasts control system - Google Patents
FM broadcasts control system Download PDFInfo
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- CN205986898U CN205986898U CN201620818766.5U CN201620818766U CN205986898U CN 205986898 U CN205986898 U CN 205986898U CN 201620818766 U CN201620818766 U CN 201620818766U CN 205986898 U CN205986898 U CN 205986898U
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- audio
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- microprocessor
- control system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a FM broadcasts control system, including FM transmitter and FM receiver, the FM transmitter includes audio frequency input interface, first audio frequency processing apparatus, a microprocessor, the digital analog conversion module, signal mixer unit and FM emitter, audio frequency input interface is connected with signal mixer unit through first audio frequency processing apparatus, a microprocessor passes through the digital analog conversion module and is connected with signal mixer unit, FM emitter and a microprocessor and signal mixer unit are connected, the FM receiver includes FM radio module, the wave filter, second audio frequency processing apparatus, the audio frequency demodulating equipment, the 2nd microprocessor and audio output device, FM radio module passes through the wave filter and is connected with second audio frequency processing apparatus and audio frequency demodulating equipment respectively, the second audio frequency processing apparatus be connected with audio output device. The utility model discloses broadcasting distance is far away, can realize the remote control of FM receiver, sparingly cost, energy saving.
Description
Technical field
This utility model is related to broadcasting system field, particularly to a kind of FM broadcast control system.
Background technology
Existing FM broadcast system, if transmitter will give receiver transmitting control commands, generally uses RDS (Radio
Data System, radio data system or wireless Data Broadcasting System) realize.Because receiving RDS data to FM signal intensity
Require higher, the shortcoming using RDS is the distance that can substantially reduce FM broadcast.In other words, realize identical FM broadcast away from
From, the power of the raising FM transmitter of several times of needs, which results in cost increase, and expend the energy.
In addition, traditional FM transmitter cannot be controlled to FM receiver, such as：Timing cannot be realized play or remotely
The functions such as switching on and shutting down, can realize the control to FM receiver for the FM transmitter using RDS broadcast technology, but there are broadcast distances and become
Short problem.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned RDS broadcast technologies broadcast distance of prior art
Shorter, realize defect that is relatively costly during remote broadcast, expending the energy, provide a kind of broadcast distances farther out, enable to FM
The distant control of receiver, cost-effective, energy saving FM broadcast control system.
This utility model solves its technical problem and be employed technical scheme comprise that：Construct a kind of FM broadcast control system, bag
Include FM transmitter and FM receiver, described FM transmitter includes audio input interface, the first apparatus for processing audio, the first microprocessor
Device, D/A converter module, signal mixer unit and FM discharger, described FM receiver include FM radio module, wave filter,
Two apparatus for processing audio, audio demodulation device, the second microprocessor and audio output device, described audio input interface receives outer
First audio signal of portion's input, and send it to described first apparatus for processing audio and carry out voltage amplification and obtain the second audio frequency
Signal, described second audio signal is sent to described signal mixer unit by described first apparatus for processing audio, and described first is micro-
Processor produces voice modulation data, and sends it to the audio modulation signal that described D/A converter module is converted to simulation,
Described audio modulation signal is sent to described signal mixer unit by described D/A converter module, and described first microprocessor also produces
Raw RDS signal, and described RDS signal is sent to described FM discharger, described signal mixer unit is to described second audio frequency
Signal and audio modulation signal carry out being mixed to get mixed signal, and described mixed signal is sent to described FM discharger,
Described FM discharger is modulated obtaining FM radio signal to described mixed signal and RDS signal；
Described FM radio module receives the FM radio signal that described FM discharger is sent, and it is demodulated
To described mixed signal and RDS signal, described mixed signal is sent to described wave filter and is filtered by described FM radio module
Respectively obtain described second audio signal and audio modulation signal, described second audio signal is sent to described by described wave filter
Second apparatus for processing audio carries out power amplification and obtains the 3rd audio signal, and described second apparatus for processing audio is by described 3rd sound
Frequency signal is sent to described audio output device, and described audio modulation signal is sent to described audio demodulation dress by described wave filter
Put and be demodulated obtaining modulation data, described modulation data is sent to described second microprocessor and enters by described audio demodulation device
Row decoding, obtains the control command that described first microprocessor sends, and described control command is sent by described second microprocessor
To described audio output device, described RDS signal is also sent to described second microprocessor and is solved by described FM radio module
Code.
In FM broadcast control system described in the utility model, described control command is to control described audio output device
Switch, volume or timing play.
In FM broadcast control system described in the utility model, the frequency of described FM radio signal be 60MHz～
108MHz.
In FM broadcast control system described in the utility model, described first microprocessor adopts DTMF or FSK audio frequency
Encryption algorithm produces described voice modulation data.
In FM broadcast control system described in the utility model, described audio demodulation device adopts DTMF or FSK to decode
Algorithm is demodulated to described audio modulation signal.
In FM broadcast control system described in the utility model, described FM transmitter also includes transmitting antenna, described FM
Described FM radio signal is launched by discharger by described transmitting antenna, and described FM receiver also includes receiving sky
Line, described FM radio module receives described FM radio signal by described reception antenna.
Implement FM broadcast control system of the present utility model, have the advantages that：Due to the base in traditional RDS broadcast
Voice data communication technology is increased on plinth, realizes the distant control to FM receiver, such benefit is closely can to make
With traditional RDS communication, distant do not receive RDS signal but audio signal can be received, it is possible to use voice data
Controlling, it is not in the case of increasing FM transmitter transmission power, it is possible to achieve identical with traditional FM transmitter for communication technology
Broadcast distances, and enable the control to FM receiver for the FM transmitter, thus its broadcast distances farther out, enable FM is received
The distant control of machine, cost-effective, energy saving.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in one embodiment of this utility model FM broadcast control system.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
In this utility model FM broadcast control system embodiment, structural representation such as Fig. 1 of this FM broadcast control system
Shown.In Fig. 1, this FM broadcast control system includes FM transmitter 1 and FM receiver 2, and wherein, it is defeated that FM transmitter 1 includes audio frequency
Incoming interface 11, the first apparatus for processing audio 12, first microprocessor 13, D/A converter module 14, signal mixer unit 15 and FM
Discharger 16, FM receiver 2 includes FM radio module 21, wave filter 22, the second apparatus for processing audio 23, audio demodulation device
24th, the second microprocessor 25 and audio output device 26, audio input interface 11 receives the first audio signal of outside input, and
Send it to the first apparatus for processing audio 12 and carry out voltage amplification and obtain the second audio signal, then, the first Audio Processing dress
Put 12 and second audio signal is sent to signal mixer unit 15, first microprocessor 13 produces voice modulation data, and should
Voice modulation data is activation is converted to the audio modulation signal of simulation to D/A converter module 14, then, D/A converter module 14
Audio modulation signal is sent to signal mixer unit 15, first microprocessor 13 also produces RDS signal, and by this RDS signal
It is sent to FM discharger 16, signal mixer unit 15 carries out being mixed to get mixing to the second audio signal and audio modulation signal
Signal, and mixed signal is sent to FM discharger 16, FM discharger 16 is modulated to mixed signal and RDS signal
To FM radio signal.This FM Radio Signal Frequency is 60MHz～108MHz.
In the present embodiment, FM radio module 21 receives the FM radio signal that FM discharger 16 is sent, and to this FM
Radio signal is demodulated obtaining mixed signal and RDS signal, and mixed signal is sent to wave filter 22 by FM radio module 21
It is filtered, the frequency filter outside the frequency range that audio modulation signal is used falls, after filtering, respectively obtain the second audio frequency letter
Number and audio modulation signal, at this moment, the second audio signal is sent to the second Audio Processing by an outfan by wave filter 22
Device 23 carries out power amplification and obtains the 3rd audio signal, and the 3rd audio signal is sent to audio frequency by the second apparatus for processing audio 23
Output device 26, audio modulation signal is sent to audio demodulation device 24 by its another outfan and is solved by wave filter 22
Tune obtains modulation data, and modulation data is sent to the second microprocessor 25 and is decoded by audio demodulation device 24, through decoding
The control command of first microprocessor 13 transmission can be obtained, this control command is sent to audio output dress by the second microprocessor 25
Put 26, FM radio module 21 and also RDS signal is sent to the second microprocessor 25 and be decoded.
In the present embodiment, if as signal intensity not, the second microprocessor 25 does not receive RDS signal, then and second
The modulation data that microprocessor 25 demodulates out to audio demodulation device 24 is decoded, and obtains first microprocessor 13 and send
Control command, for the function etc. such as control the switch of audio output device 26, volume or timing to play.Audio output device 26
For playing the 3rd audio signal receiving.
In the present embodiment, due to increasing voice data communication technology on the basis of traditional RDS broadcast, realize FM is received
The distant control of machine, such benefit is closely can be using traditional RDS communication, and the distant RDS that do not receive believes
Number but audio signal can be received, it is possible to use controlling, it is not increasing the transmitting of FM transmitter to voice data communication technology
In the case of power, it is possible to achieve with traditional FM transmitter identical broadcast distances, and enable FM transmitter to FM receiver
Control, so its broadcast distances farther out, enable distant control to FM receiver, cost-effective, energy saving.
It is noted that in the present embodiment, first microprocessor 13 using but be not limited to DTMF or FSK audio coding and calculate
Method produces above-mentioned voice modulation data.Audio demodulation device 24 using but be not limited to DTMF or FSK decoding algorithm to voice modulation
Signal is demodulated.
In the present embodiment, FM transmitter 1 also includes transmitting antenna 17, and FM discharger 16 passes through transmitting antenna 17 by FM no
The line signal of telecommunication is launched, and FM receiver 2 also includes reception antenna 27, and FM radio module 21 receives FM no by reception antenna 27
The line signal of telecommunication.
Certainly, in other cases of the present embodiment, for example, in the case of less high to reliability requirement,
The control to FM receiver for the FM transmitter can be realized using digital audio communication technology merely, but its reliability is not so good as RDS
Combine height with audio communication technologies, and the two implements cost and is more or less the same.
In a word, this utility model is on the basis of traditional RDS broadcast, by increasing voice data communication technology, using sound
Frequency data communication and the mode of RDS broadcast combination, realize the control to FM receiver 2 for the FM transmitter 1.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (6)
1. it is characterised in that including FM transmitter and FM receiver, described FM transmitter includes sound to a kind of FM broadcast control system
Frequency input interface, the first apparatus for processing audio, first microprocessor, D/A converter module, signal mixer unit and FM transmitting dress
Put, described FM receiver includes FM radio module, wave filter, the second apparatus for processing audio, audio demodulation device, the second microprocessor
Device and audio output device, described audio input interface receives the first audio signal of outside input, and sends it to described
First apparatus for processing audio carries out voltage amplification and obtains the second audio signal, and described first apparatus for processing audio is by described second sound
Frequency signal is sent to described signal mixer unit, and described first microprocessor produces voice modulation data, and sends it to institute
State the audio modulation signal that D/A converter module is converted to simulation, described audio modulation signal is sent by described D/A converter module
To described signal mixer unit, described first microprocessor also produces RDS signal, and described RDS signal is sent to described FM
Discharger, described signal mixer unit carries out to described second audio signal and audio modulation signal being mixed to get mixing letter
Number, and described mixed signal is sent to described FM discharger, described FM discharger is to described mixed signal and RDS signal
It is modulated obtaining FM radio signal；
Described FM radio module receives the FM radio signal that described FM discharger is sent, and it is demodulated obtain institute
State mixed signal and RDS signal, described mixed signal is sent to described wave filter and is filtered respectively by described FM radio module
Obtain described second audio signal and audio modulation signal, described second audio signal is sent to described second by described wave filter
Apparatus for processing audio carries out power amplification and obtains the 3rd audio signal, and described 3rd audio frequency is believed by described second apparatus for processing audio
Number it is sent to described audio output device, described audio modulation signal is sent to described audio demodulation device and enters by described wave filter
Row demodulation obtains modulation data, and described modulation data is sent to described second microprocessor and is solved by described audio demodulation device
Code, obtains the control command that described first microprocessor sends, and described control command is sent to institute by described second microprocessor
State audio output device, described RDS signal is also sent to described second microprocessor and is decoded by described FM radio module.
2. FM broadcast control system according to claim 1 is it is characterised in that described control command is to control described audio frequency
The switch of output device, volume or timing are play.
3. FM broadcast control system according to claim 2 is it is characterised in that the frequency of described FM radio signal is
60MHz～108MHz.
4. the FM broadcast control system according to claims 1 to 3 any one is it is characterised in that described first microprocessor
Device adopts DTMF or FSK audio coding algorithms to produce described voice modulation data.
5. the FM broadcast control system according to claims 1 to 3 any one is it is characterised in that described audio demodulation fills
Put and using DTMF or FSK decoding algorithm, described audio modulation signal is demodulated.
6. FM broadcast control system according to claim 1 is it is characterised in that described FM transmitter also includes launching sky
Line, described FM radio signal is launched by described FM discharger by described transmitting antenna, and described FM receiver also wraps
Include reception antenna, described FM radio module receives described FM radio signal by described reception antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620818766.5U CN205986898U (en) | 2016-07-28 | 2016-07-28 | FM broadcasts control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620818766.5U CN205986898U (en) | 2016-07-28 | 2016-07-28 | FM broadcasts control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986898U true CN205986898U (en) | 2017-02-22 |
Family
ID=58027202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620818766.5U Expired - Fee Related CN205986898U (en) | 2016-07-28 | 2016-07-28 | FM broadcasts control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205986898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246346A (en) * | 2020-01-10 | 2020-06-05 | 北京塞宾科技有限公司 | Wireless multi-audio acquisition interoperation system |
| CN111541822A (en) * | 2020-04-30 | 2020-08-14 | 南通凡肯电子设备研发有限公司 | Control system and control method for broadcast communication |
-
2016
- 2016-07-28 CN CN201620818766.5U patent/CN205986898U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246346A (en) * | 2020-01-10 | 2020-06-05 | 北京塞宾科技有限公司 | Wireless multi-audio acquisition interoperation system |
| CN111246346B (en) * | 2020-01-10 | 2021-10-26 | 北京塞宾科技有限公司 | Wireless multi-audio acquisition interoperation system |
| CN111541822A (en) * | 2020-04-30 | 2020-08-14 | 南通凡肯电子设备研发有限公司 | Control system and control method for broadcast communication |
| CN111541822B (en) * | 2020-04-30 | 2021-10-29 | 南通科硕海洋装备科技有限公司 | Control system and control method for broadcast communication |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20170728 |