CN205754292U - A kind of full frequency band adjustable FM emitter of intelligence - Google Patents
A kind of full frequency band adjustable FM emitter of intelligence Download PDFInfo
- Publication number
- CN205754292U CN205754292U CN201620695971.7U CN201620695971U CN205754292U CN 205754292 U CN205754292 U CN 205754292U CN 201620695971 U CN201620695971 U CN 201620695971U CN 205754292 U CN205754292 U CN 205754292U
- Authority
- CN
- China
- Prior art keywords
- module
- power amplifier
- connects
- modulation
- emitter
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Transmitters (AREA)
Abstract
The utility model discloses a kind of full frequency band adjustable FM emitter of intelligence, including battery, 3.3V DC conversion modules, audio file input module, voice input module, BH1418 modulation module, transmitter module, power amplifier module, microprocessor and LCD display；Battery connects 3.3V DC conversion modules, and 3.3V DC conversion modules connects audio file input module, voice input module, BH1418 modulation module, transmitter module, power amplifier module, microprocessor and LCD display respectively；Audio file input module and voice input module connect BH1418 modulation module respectively；BH1418 modulation module connects power amplifier module；Power amplifier module connects transmitter module；Microprocessor connects LCD display, BH1418 modulation module and power amplifier module respectively.This utility model realizes frequency setting intellectuality, realizes controlled transmitting range；Realize real-time phonetic entry and emission function.By using low power processor MSP430 and chip BH1418, greatly reduce system power dissipation, improve systematic function.
Description
Technical field
This utility model relates to FM lift-off technology field, particularly a kind of full frequency band adjustable FM emitter of intelligence.
Background technology
FM emitter is called again individual miniature broadcasting station, the voice signal of portable audio and video can be adjusted by FM
System is launched, and then uses and can receive with radio function equipment.General FM emitter transmitting boundary is tens meters and arrives
Rice up to a hundred, tranmitting frequency is adjustable.And before 1961, that use in the world or simple monophonic modulation technique, until
1961 US Federal Communication Committee (FCC) broadcast stereo channel by checking and approving, the innovation and application of signal multichannel is just arrived by this
In stereo audio.Along with the maturation of technology, FM emitter uses more frequent at short haul connection, this modularity stable with it
Can be closely-related with the transmitting transmission of high-quality.
FM lift-off technology is applied relatively broad in terms of broadcasting station.Along with the needs of society, FM lift-off technology also obtains
To more application, manufacturer produces various product meeting people's demand by this technology.Existing FM launches the phase
Usually use the system in fixed form that stereo FM modulates, but there is problems in use:
1, existing FM transmitter modulation content is single, can only realize the modulation of part voice document.
2, existing FM emitter tranmitting frequency is unstable, the problem that there is frequency drift.
3, existing FM emitter tranmitting frequency is few, easily causes overlapping with other broadcasting stations and cannot use.
4, existing FM emitter power consumption is big, and waste is serious.
5, existing FM emitter transmitting range is uncontrollable, easily causes electricity waste and disturbs other people.
Utility model content
For above-mentioned deficiency of the prior art, this utility model provides a kind of full frequency band adjustable FM emitter of intelligence,
Microprocessor is used to control the setting of frequency so that frequency setting realizes intellectuality；Realize controlled power amplification multiple to make
Transmitting range is controlled, improves controllability；Realize real-time phonetic entry and emission function.By using low power processor
MSP430 and integrated chip BH1418, greatly reduces system power dissipation, improves systematic function.
This utility model for achieving the above object, is achieved through the following technical solutions:
A kind of full frequency band adjustable FM emitter of intelligence, including 5V chargeable lithium cell, 3.3V DC conversion modules, audio frequency
Document input module, voice input module, BH1418 modulation module, transmitter module, power amplifier module, microprocessor and LCD
Display screen；
The output of described 5V chargeable lithium cell connects the input of 3.3V DC conversion modules, 3.3V DC conversion modules
Output connects audio file input module, voice input module, BH1418 modulation module, transmitter module, power amplification mould respectively
Block, microprocessor and LCD display；
The output of described audio file input module and the output of voice input module connect BH1418 modulation module respectively
Input；The output of BH1418 modulation module connects the input of power amplifier module；The output of power amplifier module connects launches
The input of module；Microprocessor connects LCD display, BH1418 modulation module and power amplifier module respectively.
Contrast prior art, the beneficial effects of the utility model are:
1, this utility model FM emitter uses microprocessor to be controlled frequency setting so that frequency setting realizes intelligence
Energyization.
2, this utility model FM emitter is by using low power processor MSP430 and integrated chip BH1418, pole
Big reduces system power dissipation, improves systematic function, and meanwhile, integrated chip is capable of the frequency modulation(PFM) at full frequency band, has
Abundant tranmitting frequency.
3, this utility model FM emitter, it is achieved power amplification multiple is controlled and transmitting range is controlled, improves system controlled
Property.
4, this utility model FM emitter realizes real-time phonetic entry and emission function.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model one full frequency band adjustable FM emitter structures block diagram of intelligence.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that these embodiments are only used for
This utility model is described rather than limits scope of the present utility model.In addition, it is to be understood that reading this utility model instruction
Content after, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall equally
In the application appended claims limited range.
As it is shown in figure 1, a kind of full frequency band adjustable FM emitter of intelligence, it is characterised in that: include 5V chargeable lithium cell,
3.3V DC conversion modules, audio file input module, voice input module, BH1418 modulation module, transmitter module, power are put
Big module, microprocessor MSP430 and LCD display；
The output of described 5V chargeable lithium cell connects the input of 3.3V DC conversion modules, 3.3V DC conversion modules
Output connects audio file input module, voice input module, BH1418 modulation module, transmitter module, microprocessor respectively
MSP430 and LCD display；
Described audio file input module receives from the portable audio file such as mobile phone, MP3, DM, and audio file is defeated
Go out to BH1418 modulation module.
After voice input module receives phonetic entry and is converted to voice signal, BH1418 modulation module is arrived in output.
Voice document signal input circuit can will enter in BH1418 chip, and voice can be turned by described speech iput circuit
Change voice signal into be input in BH1418 chip.
Frequency setting value is sent to BH1418 modulation module by microprocessor MSP430, and BH1418 modulation module receives audio frequency
The signal of document input module or voice input module inputs and carries out FM modulation, and modulated signal is sent to power amplification mould
Block.
Transmitting range is scaled amplification controlling value and is sent to power amplifier module by microprocessor MSP430, power
Amplification module carries out power amplification, after amplification according to amplification controlling value to the modulated signal received from BH1418 modulation module
Signal be sent to transmitter module launch.
Microprocessor MSP430 transmission ongoing frequency, setpoint frequency, transmitting range show to LCD display.
Claims (2)
1. the full frequency band adjustable FM emitter of intelligence, it is characterised in that: include that 5V chargeable lithium cell, 3.3V direct current are changed
Module, audio file input module, voice input module, BH1418 modulation module, transmitter module, power amplifier module, Wei Chu
Reason device and LCD display；
The output of described 5V chargeable lithium cell connects the input of 3.3V DC conversion modules, the output of 3.3V DC conversion modules
Connect audio file input module, voice input module, BH1418 modulation module, transmitter module, power amplifier module, micro-respectively
Processor and LCD display；
The output of described audio file input module and the output of voice input module connect the defeated of BH1418 modulation module respectively
Enter；The output of BH1418 modulation module connects the input of power amplifier module；The output of power amplifier module connects transmitter module
Input；Microprocessor connects LCD display, BH1418 modulation module and power amplifier module respectively.
2. a kind of full frequency band adjustable FM emitter of intelligence as claimed in claim 1, it is characterised in that: described microprocessor type
Number it is MSP430.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695971.7U CN205754292U (en) | 2016-06-29 | 2016-06-29 | A kind of full frequency band adjustable FM emitter of intelligence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695971.7U CN205754292U (en) | 2016-06-29 | 2016-06-29 | A kind of full frequency band adjustable FM emitter of intelligence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205754292U true CN205754292U (en) | 2016-11-30 |
Family
ID=57380714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620695971.7U Expired - Fee Related CN205754292U (en) | 2016-06-29 | 2016-06-29 | A kind of full frequency band adjustable FM emitter of intelligence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205754292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027081A (en) * | 2016-06-29 | 2016-10-12 | 广西大学 | Full-band intelligent and adjustable FM transmitter |
-
2016
- 2016-06-29 CN CN201620695971.7U patent/CN205754292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027081A (en) * | 2016-06-29 | 2016-10-12 | 广西大学 | Full-band intelligent and adjustable FM transmitter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203551786U (en) | Intelligent handheld terminal based on Beidou satellite and interphone | |
| CN205754292U (en) | A kind of full frequency band adjustable FM emitter of intelligence | |
| CN203027265U (en) | Digital processing type frequency modulation synchronized broadcasting exciter | |
| CN203167335U (en) | Device enabling Bluetooth mobile phone to perform light adjustment on LED lamp through voice commands | |
| CN102638321A (en) | Computing method for automatically switching broadcasting stations | |
| CN106027081A (en) | Full-band intelligent and adjustable FM transmitter | |
| CN207399470U (en) | A kind of multifunction blue tooth Mobile loudspeaker box | |
| CN200987158Y (en) | Mobile phone with radio function | |
| CN202222003U (en) | TD-SCDMA (time division-synchronization code division multiple access) mode network radio | |
| CN105406886B (en) | A kind of radio transmission of digital signals equipment | |
| CN202261317U (en) | CDMA2000 standard network radio set | |
| CN109004999A (en) | A kind of interior wisdom ecology broadcast platform equipment | |
| CN206004892U (en) | A kind of wireless blue tooth Play System and wireless blue tooth playing device | |
| CN203261347U (en) | Multichannel wireless audio transmission system | |
| CN204814401U (en) | Intelligence eye -shade | |
| CN204267096U (en) | A kind of mine based on Big Dipper location directs rescue work monitoring system | |
| CN203691563U (en) | Wireless high-definition audio system | |
| CN102035604A (en) | Method for eliminating interference of LCD display screen in mobile phone radio | |
| CN207352955U (en) | A kind of portable mobile wireless sing accompanying system | |
| CN203243505U (en) | Electronic device and built-in loudspeaker box system of electronic device | |
| CN202067384U (en) | Remote controller with wireless audio frequency transmission function | |
| CN204377082U (en) | Controlled in wireless multi-media sound system | |
| CN203086452U (en) | Digital wireless intercommunicating system | |
| CN206559333U (en) | A kind of Digital Frequency Modulation Transmitter | |
| CN205160766U (en) | Portable multi -functional stereo set |
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: 20161130 Termination date: 20170629 |