CN107528612B - Broadcasting station broadcasting controller - Google Patents
Broadcasting station broadcasting controller Download PDFInfo
- Publication number
- CN107528612B CN107528612B CN201710742409.4A CN201710742409A CN107528612B CN 107528612 B CN107528612 B CN 107528612B CN 201710742409 A CN201710742409 A CN 201710742409A CN 107528612 B CN107528612 B CN 107528612B
- Authority
- CN
- China
- Prior art keywords
- module
- audio signal
- path
- controller
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Abstract
The invention discloses a radio broadcasting controller, which avoids long-time and heavy-current work of a radio station on the premise of ensuring uninterrupted operation of a digital information broadcasting system. The broadcasting station broadcasting controller comprises a central processing unit, a power supply module, an amplifying module, an analog-to-digital conversion module, an output module, a dial switch module and an input module. This controller is broadcast to radio station leads to and broadcasts can connect two radio stations through output module to carry out manual or automatic switch-over between two radio stations, in order to avoid the long-time, heavy current work of an independent radio station, thereby effectively prolonged radio station life, guaranteed the uninterrupted operation of digital information system of broadcasting, provide effective guarantee for flight safety.
Description
Technical Field
The invention relates to a radio technology, in particular to a radio broadcast controller.
Background
The launching platform of the terminal building is a powerful tool for guaranteeing flight safety and the order of the take-off and landing field of the airplane, and if the launching platform goes wrong, unexpected consequences can be caused. Therefore, the radio station of each transmitting station needs to be in a working state continuously for 24 hours, so that the normal taking off and landing and normal receiving of the airplane are ensured, and the timely notification of special conditions is realized. However, if a Digital-Automatic Terminal Information System (D-ATIS) is in a transmitting state for a long time, especially in a full power transmitting state, the heat generation amount of the radio station is huge, and if the working environment of the radio station is poor, the heat dissipation measures are not in place, the service life of the radio station is seriously shortened, and the failure rate is increased linearly, which causes serious consequences.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a radio broadcasting controller, which can avoid long-time and heavy-current work of a radio station on the premise of ensuring uninterrupted operation of a digital information broadcasting system. The invention is realized by the following technical scheme:
a radio broadcast controller comprises a central processing unit, a power supply module, an amplification module, an analog-to-digital conversion module, an output module, a dial switch module and an input module;
the power supply module is used for supplying power to the whole broadcasting station broadcasting controller;
the amplifying module is used for receiving a first path of audio signal and a second path of audio signal and amplifying the first path of audio signal and the second path of audio signal; the dial switch module comprises a plurality of dial switches, and the central processing unit can read the states of all the dial switches and control the amplification gain of the amplification module on the first path of audio signals and the second path of audio signals according to the states of all the dial switches;
the central processing unit measures the intensity of the first path of audio signal and the second path of audio signal according to the signals sampled by the analog-to-digital conversion module, and outputs a first PWM signal representing the intensity of the first path of audio signal and a second PWM signal representing the intensity of the second path of audio signal;
the central processing unit is further configured to control the amplification module to send the amplified first audio signal or the amplified second audio signal to the output module according to the strength of the first audio signal and the second audio signal, or according to a remote computer control signal received by the input module;
the output module is used for sending the amplified first path of audio signal to a first radio station or sending the amplified second path of audio signal to a second radio station;
the central processing unit is further configured to send an activation or sleep instruction to the first radio station through the output module, and send an activation or sleep instruction to the second radio station.
Further, the radio broadcast controller also comprises a first VU table, a second VU table and an operational amplifier;
the operational amplifier amplifies the first PWM signal and outputs the amplified first PWM signal to the first VU table so as to drive the first VU table to display the intensity of the first path of audio signal, and amplifies the second PWM signal and outputs the amplified second PWM signal to the second VU table so as to drive the second VU table to display the intensity of the second path of audio signal.
Further, the model of the amplifying module is NE 5532.
Further, the dial switch module includes 16 dial switches, the central controller controls the amplification gain of the amplification module for the first path of audio signals according to the state of 8 of the dial switches, and controls the amplification gain of the amplification module for the second path of audio signals according to the state of the other 8 of the dial switches.
Further, the central processing unit is a 32-bit embedded processor.
Further, the analog-to-digital conversion module is a 12-bit analog-to-digital converter.
Compared with the prior art, the invention has the following advantages and beneficial effects:
this controller is broadcast to radio station can connect two radio stations to carry out manual or automatic switch-over between two electric station, in order to avoid a single radio station long-time, heavy current work, thereby effectively prolonged radio station life, guaranteed the uninterrupted operation of digital information broadcast system, provide effective guarantee for flight safety.
Drawings
Fig. 1 is a schematic structural diagram of a radio broadcast controller according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments and the accompanying drawings.
As shown in fig. 1, the radio broadcast controller provided by the present invention includes a central processing unit 1, a power module 2, an amplifying module 3, an analog-to-digital conversion module 4, an output module 7, a dial switch module 6, and an input module 5.
The power module 2 is used for supplying power to the whole broadcasting station broadcasting controller. In order to prevent larger power interference, the power module 2 adopts a linear power design, so that noise caused by power supply ripple is effectively avoided, and the switching quality of voice signals is improved. The power supply module 2 adopts a power frequency transformer with 12V output in double paths, and provides voltages of +12V, -12V, +5V, -5V, +3.3V and the like required by the whole broadcast controller through a linear stabilized voltage power supply, so that the power supply requirement of the whole controller is met.
The amplifying module 3 is configured to receive the first channel of audio signal and the second channel of audio signal, and amplify the first channel of audio signal and the second channel of audio signal.
The amplification module 3 realizes the amplification of the audio signal, thereby improving the quality of the radio station signal and eliminating the loss caused by a circuit loop. The type of the amplifying module 3 is NE5532, which is a high-performance low-noise dual operational amplifier, and the amplifier has better noise performance, better output driving capability, higher small signal bandwidth and wider power voltage range, and can amplify the first path of audio signal and the second path of audio signal well and output high-quality amplified signals.
The analog-to-digital conversion module 4 is configured to sample the first channel of audio signal and the second channel of audio signal respectively, and the central processing unit 1 measures the intensities of the first channel of audio signal and the second channel of audio signal according to the signals sampled by the analog-to-digital conversion module 4, and outputs a first PWM signal representing the intensity of the first channel of audio signal and a second PWM signal representing the intensity of the second channel of audio signal. The analog-to-digital conversion module 4 is a 12-bit analog-to-digital converter, can realize sampling of multiple paths of signals and can realize automatic switching according to sensitivity.
The central processing unit 1 is further configured to control the amplification module 3 to send the amplified first audio signal or the amplified second audio signal to the output module 7 according to the strength of the first audio signal and the second audio signal, or according to a remote computer control signal received by the input module 5, so that switching of the two audio signals can be controlled by the remote computer 10.
The output module 7 is configured to send the amplified first audio signal to a first radio station 8, or send the amplified second audio signal to a second radio station 9. The central processing unit 1 is further configured to send an activation or sleep instruction to the first radio station 8 through the output module 7, and send an activation or sleep instruction to the second radio station 9, so as to control activation or sleep of the first radio station 8 and the second radio station 9, respectively. For example, the central processing unit 1 can activate the first radio station 8 and sleep the second radio station 9, or activate the second radio station 9 and sleep the first radio station 8, thereby avoiding a single radio station from working for a long time and with high current, and effectively prolonging the service life of the radio station. Output module 7 provides the control interface who is used for controlling two way radio stations, realizes the radio station and switches, avoids the long-time heavy current work of single radio station, improves radio station life. When the output module 7 sends an activation or sleep instruction, the activation or sleep instruction signal output by the central processing unit 1 is subjected to level amplification through the control interface, so that the level of the instruction signal is matched with a target radio station.
The central processing unit 1 is a 32-bit embedded processor, and can realize control and coordination of other modules in the controller, thereby efficiently and stably realizing automatic switching, manual switching, remote switching and the like of the radio station, controlling the dormancy of the radio station and the like.
The station broadcast controller further comprises a first VU table, a second VU table and an operational amplifier. The operational amplifier amplifies the first PWM signal and outputs the amplified first PWM signal to the first VU table so as to drive the first VU table to display the intensity of the first path of audio signal, and amplifies the second PWM signal and outputs the amplified second PWM signal to the second VU table so as to drive the second VU table to display the intensity of the second path of audio signal.
The above-described embodiments are merely preferred embodiments, which are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A radio broadcast controller is characterized by comprising a central processing unit, a power supply module, an amplification module, an analog-to-digital conversion module, an output module, a dial switch module and an input module;
the power supply module is used for supplying power to the whole broadcasting station broadcasting controller;
the amplifying module is used for receiving a first path of audio signal and a second path of audio signal and amplifying the first path of audio signal and the second path of audio signal; the dial switch module comprises a plurality of dial switches, and the central processing unit can read the states of all the dial switches and control the amplification gain of the amplification module on the first path of audio signals and the second path of audio signals according to the states of all the dial switches; the model of the amplification module is NE 5532;
the central processing unit measures the intensity of the first path of audio signal and the second path of audio signal according to the signals sampled by the analog-to-digital conversion module, and outputs a first PWM signal representing the intensity of the first path of audio signal and a second PWM signal representing the intensity of the second path of audio signal;
the central processing unit is further configured to control the amplification module to send the amplified first audio signal or the amplified second audio signal to the output module according to the strength of the first audio signal and the second audio signal, or according to a remote computer control signal received by the input module;
the output module is used for sending the amplified first path of audio signal to a first radio station or sending the amplified second path of audio signal to a second radio station;
the central processing unit is further configured to send an activation or sleep instruction to the first radio station through the output module, and send an activation or sleep instruction to the second radio station.
2. The station broadcast controller of claim 1, further comprising a first VU table, a second VU table, and an operational amplifier;
the operational amplifier amplifies the first PWM signal and outputs the amplified first PWM signal to the first VU table so as to drive the first VU table to display the intensity of the first path of audio signal, and amplifies the second PWM signal and outputs the amplified second PWM signal to the second VU table so as to drive the second VU table to display the intensity of the second path of audio signal.
3. The radio broadcasting controller as claimed in claim 1, wherein the dial switch module includes a 16-way dial switch, the central controller controls the amplification gain of the first audio signal by the amplification module according to the state of 8-way dial switch, and controls the amplification gain of the second audio signal by the amplification module according to the state of the other 8-way dial switch.
4. The radio announcement controller of claim 1, wherein the central processor is a 32-bit embedded processor.
5. The radio announcement controller of claim 1, wherein the analog-to-digital conversion module is a 12-bit analog-to-digital converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742409.4A CN107528612B (en) | 2017-08-25 | 2017-08-25 | Broadcasting station broadcasting controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742409.4A CN107528612B (en) | 2017-08-25 | 2017-08-25 | Broadcasting station broadcasting controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107528612A CN107528612A (en) | 2017-12-29 |
| CN107528612B true CN107528612B (en) | 2021-04-02 |
Family
ID=60682409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742409.4A Active CN107528612B (en) | 2017-08-25 | 2017-08-25 | Broadcasting station broadcasting controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107528612B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201479081U (en) * | 2009-08-19 | 2010-05-19 | 摩比天线技术（深圳）有限公司 | gain-adjustable low-noise amplifier |
| CN201935761U (en) * | 2010-11-29 | 2011-08-17 | 重庆大学 | Press tonnage monitor |
| CN203148846U (en) * | 2013-01-15 | 2013-08-21 | 天津市科器高新技术公司 | Amplifying circuit for optoelectronic signal in vancometer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2822037Y (en) * | 2006-04-04 | 2006-09-27 | 周旭 | Radio station controller |
| JP4840378B2 (en) * | 2008-02-13 | 2011-12-21 | ソニー株式会社 | Radio receiving apparatus and output restoration method |
| CN105099583B (en) * | 2015-06-03 | 2017-08-11 | 朱豪杰 | Platform device is listened in multifunctional radio direction finding |
| CN106788835B (en) * | 2016-11-10 | 2019-08-02 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | One kind more radio station remote control apparatuses Internet-based and method |
-
2017
- 2017-08-25 CN CN201710742409.4A patent/CN107528612B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201479081U (en) * | 2009-08-19 | 2010-05-19 | 摩比天线技术（深圳）有限公司 | gain-adjustable low-noise amplifier |
| CN201935761U (en) * | 2010-11-29 | 2011-08-17 | 重庆大学 | Press tonnage monitor |
| CN203148846U (en) * | 2013-01-15 | 2013-08-21 | 天津市科器高新技术公司 | Amplifying circuit for optoelectronic signal in vancometer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107528612A (en) | 2017-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1573762B1 (en) | Switch arcitecture using mems switches and solid state switches in parallel | |
| CN103313363B (en) | Power management apparatus and method | |
| US9197162B2 (en) | Envelope tracking power supply voltage dynamic range reduction | |
| US11223382B2 (en) | Uplink carrier aggregation device and mobile terminal | |
| WO2021109203A1 (en) | 5g signal radio frequency distribution system | |
| CN107528612B (en) | Broadcasting station broadcasting controller | |
| KR20020062409A (en) | Power rate inhancement circuit for rf power amplifier of dual mode mobile phone | |
| CN201682056U (en) | Dual-frequency range satellite communication antenna system of common antenna surface | |
| US9571926B2 (en) | High-efficiency low-voltage-power-supply high-power-output audio driver architecture | |
| US8324959B2 (en) | Bias circuit and wireless communication device including the bias circuit | |
| WO2011124116A1 (en) | Voltage driving apparatus for power amplifier, power amplifying system, power supply device for radio frequency power amplifier and communication device | |
| JP2012015798A (en) | High-frequency power amplifier | |
| US8204457B2 (en) | Mobile transmitter and transmitting method thereof | |
| JP2014187432A (en) | Communication signal amplifying circuit and control method for communication signal amplifying circuit | |
| CN101615891A (en) | Radio-frequency (RF) power amplifier circuit, power control chip and radio-frequency power amplifying method | |
| CN209218322U (en) | A kind of combination loudspeaker and audio horn line make the earphone of antenna and strong antijamming capability | |
| CN201398189Y (en) | Mobile phone transmission signal amplifying circuit | |
| CN203522760U (en) | Audio/video controller for subway train cab | |
| CN202872736U (en) | Linear power amplifier device of very high frequency (VHF) wave band | |
| CN104812102A (en) | Radio communication apparatus | |
| CN219611784U (en) | Amplifier with half-duplex automatic receiving and transmitting function for interphone | |
| US20090305749A1 (en) | Wireless Communication Apparatus Capable of Reducing Power Consumption and Related Apparatus | |
| CN216979177U (en) | Radio frequency power amplifier active-standby switching and standing-wave ratio detection circuit | |
| CN202095072U (en) | High-sound-quality intelligent vehicle-mounted terminal equipment capable of being used for Internet of Things and Internet of Vehicles | |
| CN101604981A (en) | Can reduce the wireless communication apparatus and the relevant wireless signal emitter thereof of power consumption |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215151 second floor, room 101, building 1, No.19, Yong'an Road, Hushuguan Town, Suzhou high tech Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou Henghui Technology Co.,Ltd. Address before: 102100 No.222 Shuangxing East Street, Yanqing Economic Development Zone, Yanqing District, Beijing (Yanqing garden, Zhongguancun) Applicant before: BEIJING PUHUI JINGYAN AUTOMATION TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |