CN104618049B - Multi-functional RDS meets an urgent need digital power amplifier enlarger and its control method - Google Patents
Multi-functional RDS meets an urgent need digital power amplifier enlarger and its control method Download PDFInfo
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- CN104618049B CN104618049B CN201510053239.XA CN201510053239A CN104618049B CN 104618049 B CN104618049 B CN 104618049B CN 201510053239 A CN201510053239 A CN 201510053239A CN 104618049 B CN104618049 B CN 104618049B
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- 238000000034 method Methods 0.000 title claims abstract description 9
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- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
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Abstract
Meet an urgent need digital power amplifier enlarger the invention discloses a kind of multi-functional RDS, including front end receiver system and back-end processing system, the back-end processing system includes the first FM high-frequency receptions module, the 2nd FM high-frequency receptions module, DTMB receiving modules, digital power amplifier module, mix module, display module and audio-frequency module.Meet an urgent need the invention also discloses a kind of multi-functional RDS the control method of digital power amplifier enlarger.
Description
Technical field
The present invention relates to addressable digital broadcast equipment field, more particularly to a kind of multi-functional RDS meets an urgent need digital power amplifier expansion
Big machine and its control method.
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.
Traditional amplifier is carried out data transmission using simulative debugging demodulation passage, and receiving sensitivity is low, transmission broadcast section
Mesh is less, and can not achieve reliable switching on and shutting down, it is impossible to prevents the intrusion of illegal signals, work noise is big；In addition tradition is received
Expansion machine can not also realize remote upgrade, and on-site maintenance mode is very single, complex for operation step not directly perceived；According to problem above,
So new-generation digital addressable amplifier comes into being, and very important work is played in emergent intelligent digital broadcast system
With.
The content of the invention
Based on this, for it is existing the problem of, it is necessary to propose a kind of convenient, practical, there is radio frequency input, stereo sum number
According to output function, while using ripe RDS technologies, while sound is propagated, more work(of digital controlled signal can be received
Can RDS meet an urgent need digital power amplifier enlarger and its control method.
The technical scheme is that：A kind of multi-functional RDS meets an urgent need digital power amplifier enlarger, including front end receiver system and
Back-end processing system, the front end receiver system include sequentially connected RDS coding modules, ADC analog-to-digital conversion modules, AGC and increase
Beneficial control module and output module, the back-end processing system include the first FM high-frequency receptions module, the 2nd FM high-frequency reception moulds
Block, DTMB receiving modules, digital power amplifier module, mix module, display module and audio-frequency module, the first FM high-frequency reception moulds
The signal input part of block, the 2nd FM high-frequency receptions module and DTMB receiving modules respectively with the output module of front end receiver system
First signal output part, secondary signal output terminal and the connection of the 3rd signal output part, the first FM high-frequency receptions module, second
The signal output part of FM high-frequency receptions module and DTMB receiving modules respectively believe by the first signal input part with mix module, second
Number input terminal and the connection of the 3rd signal input part, the signal output part of the mix module are inputted with the signal of digital power amplifier module
End connection, the first signal output part and secondary signal output terminal of the digital power amplifier module respectively with display module and audio mould
The signal input part connection of block.
In one of the embodiments, voice input module, the first signal input of the voice input module are further included
End and secondary signal input terminal connect with the signal output part of the first FM high-frequency receptions module and the 2nd FM high-frequency reception modules respectively
Connect, the signal output part of the voice input module and the signal input part of mix module connect.
In one of the embodiments, further include boosting voltage changing module, the signal input part of the boosting voltage changing module with
The signal output part connection of digital power amplifier module, the first signal output part and secondary signal output terminal of the boosting voltage changing module
The signal input part with display module and audio-frequency module is connected respectively.
In one of the embodiments, the voice input module is mobile phone.
In one of the embodiments, the audio-frequency module is loudspeaker.
In one of the embodiments, the boosting voltage changing module is step-up transformer.
In one of the embodiments, the display module is display.
A kind of in order to solve the above technical problems, control for digital power amplifier enlarger of meeting an urgent need present invention also offers multi-functional RDS
Method processed, comprises the following steps：
Receive simultaneously transmission signal；
Input channel is selected, receives signal；
Synthesize the signal received；
Analyze and handle the signal after synthesis；
Export signal.
The beneficial effects of the present invention are：
(1) while the first FM high-frequency receptions module, the 2nd FM high-frequency reception modules are used, are so avoided that frequency interferences,
Timely respond to, emergent broadcast；
(2) as a result of mix module, combination that can be more flexible can be superimposed with multichannel and be exported, moreover it is possible to realize total sound
Amount controls, and the monitoring volume to input signal can be separately adjustable；
(3) voice input module of installation, can send instruction control digital power amplifier module to be broadcasted；
(4) user can select DTMB receiving channels as emergency flight control passage to achieve the purpose that broadcast and control.
Brief description of the drawings
Fig. 1 is the signal flow block diagram described in the embodiment of the present invention；
Description of reference numerals：
10th, the first FM high-frequency reception modules；20th, the 2nd FM high-frequency reception modules；30th, DTMB receiving modules；40th, digital work(
Amplification module；50th, mix module；60th, display module；70th, audio-frequency module；80th, voice input module；90th, boost voltage changing module；
100th, front end receiver system.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment：
Digital power amplifier enlarger, including front end receiver system 100 and rear end as shown in Figure 1, a kind of multi-functional RDS meets an urgent need
Reason system, the front end receiver system 100 include sequentially connected RDS coding modules, ADC analog-to-digital conversion modules, AGC gain control
Molding block and output module, the back-end processing system include the first FM high-frequency receptions module 10, the 2nd FM high-frequency reception modules
20th, DTMB receiving modules 30, digital power amplifier module 40, mix module 50, display module 60 and audio-frequency module 70, the first FM
The signal input part of high-frequency reception module 10, the 2nd FM high-frequency receptions module 20 and DTMB receiving modules 30 respectively with front end receiver
The first signal output part, secondary signal output terminal and the connection of the 3rd signal output part of the output module of system 100, described first
The signal output part of FM high-frequency receptions module 10, the 2nd FM high-frequency receptions module 20 and DTMB receiving modules 30 respectively with audio mixing mould
The first signal input part, secondary signal input terminal and the connection of the 3rd signal input part of block 50, the signal of the mix module 50
Output terminal is connected with the signal input part of digital power amplifier module 40, the first signal output part of the digital power amplifier module 40 and
Signal input part of the binary signal output terminal respectively with display module 60 and audio-frequency module 70 is connected.
In the present embodiment, further include voice input module 80, the first signal input part of the voice input module 80 and
Secondary signal input terminal connects with the signal output part of the first FM high-frequency receptions module 10 and the 2nd FM high-frequency receptions module 20 respectively
Connect, the signal output part of the voice input module 80 is connected with the signal input part of mix module 50.
In the present embodiment, boosting voltage changing module 90, the signal input part and numeral of the boosting voltage changing module 90 are further included
The signal output part connection of power amplifier module 40, the first signal output part and secondary signal output terminal of the boosting voltage changing module 90
The signal input part with display module 60 and audio-frequency module 70 is connected respectively.
In the present embodiment, the voice input module 80 is mobile phone.
In the present embodiment, the audio-frequency module 70 is loudspeaker.
In the present embodiment, the boosting voltage changing module 90 is step-up transformer.
In the present embodiment, the display module 60 is display.
In order to solve the above technical problems, the invention also provides a kind of multi-functional RDS meets an urgent need the control of digital power amplifier enlarger
Method processed, comprises the following steps：
Step 1, receives simultaneously transmission signal；
Step 2, selects input channel, receives signal；
Step 3, synthesizes the signal received；
Step 4, analyzes and handles the signal after synthesis；
Step 5, exports signal.
In the course of work, front end receiver system 100 exports signal by output module, then selects the first FM high-frequency receptions
Module 10, the 2nd FM high-frequency receptions module 20 and the one of input interface input signal of DTMB receiving modules 30.In audio mixing
Audio signal is synthesized under the action of module 50.Digital power amplifier module 40 is subsequently sent to be handled.Letter after processing
Number exported by audio-frequency module 70.Additionally, it is provided voice input module 80 can facilitate user by voice to digital power amplifier mould
Block 40 is controlled.The boosting voltage changing module 90 of offer can be boosted to signal and transformation, more easily to export signal.
Embodiment described above only expresses the embodiment of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.
Claims (6)
- Digital power amplifier enlarger, including front end receiver system and back-end processing system 1. a kind of multi-functional RDS meets an urgent need, the front end Reception system includes sequentially connected RDS coding modules, ADC analog-to-digital conversion modules, AGC gain control module and output module, It is characterized in that：The back-end processing system includes the first FM high-frequency receptions module, the 2nd FM high-frequency receptions module, DTMB and receives Module, digital power amplifier module, voice input module, mix module, display module and audio-frequency module, the first FM high-frequency receptions The signal input part of module, the 2nd FM high-frequency receptions module and DTMB receiving modules output module with front end receiver system respectively The first signal output part, secondary signal output terminal and the connection of the 3rd signal output part, the first FM high-frequency receptions module, the The signal output part of two FM high-frequency receptions modules and DTMB receiving modules the first signal input part with mix module, second respectively Signal input part and the connection of the 3rd signal input part, the signal output part and the signal of digital power amplifier module of the mix module are defeated Enter end connection, the first signal output part and secondary signal output terminal of the digital power amplifier module respectively with display module and audio The signal input part connection of module；The first signal input part and secondary signal input terminal of the voice input module respectively with the first FM high-frequency reception modules Connected with the signal output part of the 2nd FM high-frequency reception modules, the signal output part of the voice input module and mix module Signal input part connects；Further include boosting voltage changing module, the signal input part and the signal output part of digital power amplifier module of the boosting voltage changing module Connection, it is described boosting voltage changing module the first signal output part and secondary signal output terminal respectively with display module and audio-frequency module Signal input part connection.
- The digital power amplifier enlarger 2. multi-functional RDS according to claim 1 meets an urgent need, it is characterised in that：The phonetic entry Module is mobile phone.
- The digital power amplifier enlarger 3. multi-functional RDS according to claim 1 meets an urgent need, it is characterised in that：The audio-frequency module For loudspeaker.
- The digital power amplifier enlarger 4. multi-functional RDS according to claim 1 meets an urgent need, it is characterised in that：The boosting transformation Module is step-up transformer.
- The digital power amplifier enlarger 5. multi-functional RDS according to claim 1 meets an urgent need, it is characterised in that：The display module For display.
- The control method of digital power amplifier enlarger 6. a kind of multi-functional RDS based on described in claim 1 meets an urgent need, its feature exist In comprising the following steps：Signal is received using the front end receiver system and is transferred to back-end processing system；Select any one work in the first FM high-frequency receptions module, the 2nd FM high-frequency receptions module and DTMB receiving modules For the input channel of back-end processing system, signal is received；Received signal is synthesized under the action of the mix module；Using the digital power amplifier module analysis and handle the signal after synthesis；Signal after processing is exported by the audio-frequency module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053239.XA CN104618049B (en) | 2015-02-02 | 2015-02-02 | Multi-functional RDS meets an urgent need digital power amplifier enlarger and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053239.XA CN104618049B (en) | 2015-02-02 | 2015-02-02 | Multi-functional RDS meets an urgent need digital power amplifier enlarger and its control method |
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| CN104618049A CN104618049A (en) | 2015-05-13 |
| CN104618049B true CN104618049B (en) | 2018-04-13 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02104133A (en) * | 1988-10-13 | 1990-04-17 | Pioneer Electron Corp | Method for selecting receiving frequency in rds receiver |
| CN202309730U (en) * | 2011-11-07 | 2012-07-04 | 沈阳知天星信息技术有限公司 | Wireless early warning information reception and power amplification integrated machine |
| DE102012216155A1 (en) * | 2012-09-12 | 2014-03-13 | Robert Bosch Gmbh | Reception system for selectively or simultaneously processing reception signal for radio broadcasting purposes, has signal processing apparatuses for performing processing and recovery of useful signal according to transmission standards |
| CN203632685U (en) * | 2013-12-16 | 2014-06-04 | 成都驰通数码系统有限公司 | Terminal |
| CN204362062U (en) * | 2015-02-02 | 2015-05-27 | 四川泰立科技有限公司 | Multi-functional RDS meets an urgent need digital power amplifier enlarger |
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Address after: 610000, Sichuan, Chengdu, Wuhou District Wuhou Metro Management Committee, Wu Qing Road, No. 40 digital science and Technology Plaza, block B, building 10 Applicant after: SICHUAN TELECAST TECHNOLOGY CO.,LTD. Address before: 610000 Sichuan city of Chengdu province Wuhou District Vuko east two Road No. 11 building 3 floor 7-1 No. 7 Applicant before: SICHUAN TELECAST TECHNOLOGY CO.,LTD. |
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Denomination of invention: Multifunctional RDS emergency digital power amplifier and controlling method thereof Effective date of registration: 20181102 Granted publication date: 20180413 Pledgee: Bank of Guiyang Limited by Share Ltd. Chengdu Qingyang branch Pledgor: SICHUAN TELECAST TECHNOLOGY CO.,LTD. Registration number: 2018510000117 |
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Date of cancellation: 20200319 Granted publication date: 20180413 Pledgee: Bank of Guiyang Limited by Share Ltd. Chengdu Qingyang branch Pledgor: SICHUAN TELECAST TECHNOLOGY Co.,Ltd. Registration number: 2018510000117 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Multifunctional RDS emergency digital power amplifier and controlling method thereof Effective date of registration: 20200319 Granted publication date: 20180413 Pledgee: Bank of Guiyang Limited by Share Ltd. Chengdu Qingyang branch Pledgor: SICHUAN TELECAST TECHNOLOGY Co.,Ltd. Registration number: Y2020980000876 |
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Date of cancellation: 20230320 Granted publication date: 20180413 Pledgee: Bank of Guiyang Limited by Share Ltd. Chengdu Qingyang branch Pledgor: SICHUAN TELECAST TECHNOLOGY CO.,LTD. Registration number: Y2020980000876 |
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Denomination of invention: Multifunctional RDS emergency digital power amplifier amplifier and its control method Effective date of registration: 20230324 Granted publication date: 20180413 Pledgee: Bank of Guiyang Limited by Share Ltd. Chengdu Qingyang branch Pledgor: SICHUAN TELECAST TECHNOLOGY CO.,LTD. Registration number: Y2023510000078 |
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