CN207339866U - A kind of outdoor amplifier with wireless tuning and warning function - Google Patents
A kind of outdoor amplifier with wireless tuning and warning function Download PDFInfo
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- CN207339866U CN207339866U CN201721113580.0U CN201721113580U CN207339866U CN 207339866 U CN207339866 U CN 207339866U CN 201721113580 U CN201721113580 U CN 201721113580U CN 207339866 U CN207339866 U CN 207339866U
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of outdoor amplifier with wireless tuning and warning function, including amplifier shell, the internal circuit in shell, is provided with high-pitched speaker, pre-warning signal lamp group on amplifier shell；Internal circuit includes wireless data decoding circuit, audio power amplifying circuit, wireless volume control circuit, early warning display circuit；Amplifier further includes the hand-held remote controller with wireless volume control circuit wireless telecommunications；The radiofrequency signal received after processing, is finally restored stereo audio signal and RDS data-signals by wireless data decoding circuit；Audio power amplifying circuit is input to high-pitched speaker after stereo audio signal is amplified；The control signal that wireless volume control circuit receives hand-held remote controller is used for the volume for controlling high-pitched speaker；Early warning display circuit will be shown after the processing of RDS data-signals through pre-warning signal lamp group.This amplifier can realize that long distance wireless adjusts volume, and can carry out LED according to the warning grade of emergent broadcast information and show.
Description
Technical field
The field of terminal equipment of broadcast system is the utility model is related to, more particularly to one kind has wireless tuning and early warning work(
The outdoor amplifier of energy.
Background technology
Common amplifier only has the function of level switch machine, and the receiving sensitivity of traditional common radio chip, stands
When data transmission performance is all bad for body sound noise, or even some chips do not support data-transformation facility less；Many chips or
Circuit is unable to low level reception, and when signal is less than 35dB, sound will produce serious noise, and data can not reliable reception；
Since the construction by traditional die is influenced, its peripheral circuit and its complexity, debugging trouble, and the required precision to component is special
It is not high, it is severely impacted the performance of complete machine in the production and use process.
And as a kind of terminal device of broadcast system, amplifier is applied in emergent broadcast, particularly in agriculture
Village, many amplifiers are assumed on electric pole, intelligently remove or climb up electric pole when adjusting volume, spend human and material resources, and very
It can only make a sound more, the effect of sound just cannot often be caught a long way off, be often missed for important warning information.
Utility model content
The purpose of this utility model is that a kind of outdoor amplifier with wireless tuning and warning function, to solve volume
Adjust the problem of inconvenient, warning information passes on not in place, stereo noise when data transmission performance is bad.
To reach above-mentioned technical purpose, the concrete scheme that the utility model is taken is：There is provided it is a kind of have wireless tuning and
The outdoor amplifier of warning function, including amplifier shell, the internal circuit in shell, is set on the amplifier shell
There are high-pitched speaker, pre-warning signal lamp group；The internal circuit includes wireless data decoding circuit, audio power amplifying circuit, nothing
Line volume control circuit, early warning display circuit；The amplifier further includes and the wireless volume control circuit wireless telecommunications
Hand-held remote controller；
The radiofrequency signal received after processing, is finally restored stereo audio letter by the wireless data decoding circuit
Number and RDS data-signals；The audio power amplifying circuit is input to high-pitched speaker after the stereo audio signal is amplified；
The control signal that the wireless volume control circuit receives the hand-held remote controller is used to control giving great volume for the high-pitched speaker
It is small；The early warning display circuit will be shown after the processing of RDS data-signals through pre-warning signal lamp group.
Compared with prior art, the beneficial effects of the utility model are：
(1) have the advantages that data transfer is reliable and stable, it is preceding under this communication mode using RDS radio data communication modes
End uses phase-shift keying (PSK) modulation system, has oneself unique advantage, data solution compared to frequency shift keying and amplitude shift key modulation mode
Tune process is restored by chip internal DSP so that stable and reliable in work.
(2) staff can wirelessly adjust volume by hand-held remote controller, saved manpower and reduced peril
Generation.
(3) pre-warning signal lamp group is provided with, in this way, early warning can be carried out according to the warning grade of emergent broadcast content, in advance
Alert signal lamp group is provided with red light, blue lamp, amber light, corresponding red early warning information, blue warning information, yellow warning information.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
The attached drawing of the utility model is used for providing further understanding of the present application, the part of the application is formed, at this
The same or similar part is represented using identical reference number in a little attached drawings, in the accompanying drawings：
Fig. 1 is the signal flow schematic diagram of the utility model；
Fig. 2 is the wireless volume control circuit figure of the utility model；
Fig. 3 is the circuit diagram of the early warning display circuit of the utility model.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with drawings and the specific embodiments, to this
Application is described in further detail, and the schematic description and description of the application is used to explain the application, composition pair
The improper restriction of the application.
As shown in Figure 1 to Figure 3, a kind of outdoor amplifier with wireless tuning and warning function, including amplifier shell,
Internal circuit in shell, is provided with high-pitched speaker, pre-warning signal lamp group on amplifier shell；Internal circuit includes wireless
Data decoding circuit, audio power amplifying circuit, wireless volume control circuit, early warning display circuit；Amplifier further includes and nothing
The hand-held remote controller of line volume control circuit wireless telecommunications.
Wireless data decoding circuit by the radiofrequency signal received after processing, finally restore stereo audio signal and
RDS data-signals；Audio power amplifying circuit is input to high-pitched speaker after stereo audio signal is amplified；Wireless volume adjustment
The control signal that circuit receives hand-held remote controller is used for the volume for controlling high-pitched speaker；Early warning display circuit is by RDS data
Shown after signal processing through pre-warning signal lamp group.
Wherein, wireless data decoding circuit includes power circuit, radio frequency detection circuit, radio demodulating circuit, stereo solution
Code circuit, RDS data decoding chips, power circuit, radio frequency detection circuit, radio demodulating circuit, stereo decoding circuit, RDS
Data decoding chip is sequentially connected electrically.
Audio power amplifying circuit includes power circuit, audio pre-amplification circuit, power amplification circuit, and power circuit is
Audio pre-amplification circuit and power amplification circuit power supply, input terminal and the stereo decoding circuit electricity of audio pre-amplification circuit
Connection, output terminal are electrically connected with power amplification circuit, and power amplification circuit is connected to high-pitched speaker.
Wireless volume control circuit includes microcontroller U1, wireless signal receiving circuit, and potentiometer is equipped with microcontroller U1, single
Piece machine U1 uses 8051 microcontrollers, and wireless signal input terminal, that is, X0 pins of microcontroller U1 are electrically connected with wireless signal receiving circuit
Connect, the PC1 ends of microcontroller U1 are electrically connected with the power supply cathode of high-pitched speaker, the PC2 ends of microcontroller U1 and high-pitched speaker
Power amplifier is electrically connected, and the power supply anode of high-pitched speaker is electrically connected with power amplifier one end of high-pitched speaker；Microcontroller U1 receives wireless
By the resistance sizes of built-in command controlling potential device so as to control high-pitched speaker volume after volume adjustment signals；Wherein wireless communication
Number transmitting terminal is the hand-held remote controller communicated wirelessly with wireless volume control circuit, and hand-held remote controller adds equipped with volume to be pressed
Button, volume down button, such operator can be remotely controlled the volume of high-pitched speaker, be adjusted manually without climbing up electric pole.
Early warning display circuit includes microcontroller U2, and microcontroller U2 uses 8051 microcontrollers, the input signal end of microcontroller U2
PC0 is electrically connected with RDS data decoding chips, and the output signal end of microcontroller U2 is electrically connected with pre-warning signal lamp group.Wherein, early warning
Signal lamp group includes LED red lights, LED amber lights, LED blue lamps；The first output signal end PC1 and LED red lights of microcontroller U2 are electrically connected
Connect, microcontroller U2 second output signal PB0 ends is electrically connected with LED amber lights, the 3rd output signal end PC2 of microcontroller U2 and
LED blue lamps are electrically connected.When microcontroller U2, which is detected, has " red early warning " field in RDS data decoding chips, LED red lights are controlled
Bright, when microcontroller U2, which is detected in RDS data decoding chips, " yellow early warning " field, control LED amber lights are bright, work as microcontroller
U2 detects when having " blue early warning " field in RDS data decoding chips that control LED blue lamps are bright；In this way, make things convenient for the people not pass through
Broadcasting speech, just can learn the grade of warning information by indicator light in time at a distance.
The present embodiment describes more specific and detailed, also gives some advantageous measures of embodiment, still, the implementation
Example and advantageous measure when those skilled in the art sees the program, can not be made as the limitation to the utility model
Other deformation and equivalent arrangements replacement, should be covered by the scope of the present utility model within.
Claims (3)
- A kind of 1. outdoor amplifier with wireless tuning and warning function, it is characterised in that：Including amplifier shell, positioned at outer Internal circuit in shell, is provided with high-pitched speaker, pre-warning signal lamp group on the amplifier shell；The internal circuit includes nothing Line number is according to decoding circuit, audio power amplifying circuit, wireless volume control circuit, early warning display circuit；The amplifier also wraps Include the hand-held remote controller with the wireless volume control circuit wireless telecommunications；The wireless data decoding circuit by the radiofrequency signal received after processing, finally restore stereo audio signal and RDS data-signals；The audio power amplifying circuit is input to high-pitched speaker after the stereo audio signal is amplified；It is described The control signal that wireless volume control circuit receives the hand-held remote controller is used for the volume for controlling the high-pitched speaker；Institute Stating early warning display circuit will show after the processing of RDS data-signals through pre-warning signal lamp group.
- A kind of 2. outdoor amplifier with wireless tuning and warning function according to claim 1, it is characterised in that：Institute Stating wireless data decoding circuit includes power circuit, radio frequency detection circuit, radio demodulating circuit, stereo decoding circuit, RDS numbers According to decoding chip, the power circuit, radio frequency detection circuit, radio demodulating circuit, stereo decoding circuit, the decoding of RDS data Chip is sequentially connected electrically；The audio power amplifying circuit includes power circuit, audio pre-amplification circuit, power amplification circuit, the power supply electricity Road powers for the audio pre-amplification circuit and power amplification circuit, the input terminal of the audio pre-amplification circuit with it is described Stereo decoding circuit is electrically connected, and output terminal is electrically connected with the power amplification circuit, and the power amplification circuit is connected to height Sound loudspeaker；The wireless volume control circuit includes microcontroller U1, wireless signal receiving circuit, and current potential is equipped with the microcontroller U1 Device, the wireless signal input terminal of the microcontroller U1 are electrically connected with the wireless signal receiving circuit, and the microcontroller U1's is defeated Enter end to be electrically connected with the power supply of high-pitched speaker, the power amplifier of the output terminal and the high-pitched speaker of the microcontroller U1 is electrically connected Connect；By the resistance sizes of built-in command controlling potential device so as to control after the wireless volume adjustment signals of the microcontroller U1 receiving High-pitched speaker volume；The early warning display circuit includes microcontroller U2, the input signal end of the microcontroller U2 and RDS data decoding core Piece is electrically connected, and the output signal end of the microcontroller U2 is electrically connected with the pre-warning signal lamp group.
- A kind of 3. outdoor amplifier with wireless tuning and warning function according to claim 2, it is characterised in that：Institute Stating pre-warning signal lamp group includes LED red lights, LED amber lights, LED blue lamps；The first output signal end of the microcontroller U2 with it is described LED red lights are electrically connected, and the second output signal end of the microcontroller U2 is electrically connected with the LED amber lights, the microcontroller U2's 3rd output signal end is electrically connected with the LED blue lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721113580.0U CN207339866U (en) | 2017-08-31 | 2017-08-31 | A kind of outdoor amplifier with wireless tuning and warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721113580.0U CN207339866U (en) | 2017-08-31 | 2017-08-31 | A kind of outdoor amplifier with wireless tuning and warning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339866U true CN207339866U (en) | 2018-05-08 |
Family
ID=62371021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721113580.0U Expired - Fee Related CN207339866U (en) | 2017-08-31 | 2017-08-31 | A kind of outdoor amplifier with wireless tuning and warning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339866U (en) |
-
2017
- 2017-08-31 CN CN201721113580.0U patent/CN207339866U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 |