CN204031396U - A kind of Multifunctional noise-reducing headphone - Google Patents
A kind of Multifunctional noise-reducing headphone Download PDFInfo
- Publication number
- CN204031396U CN204031396U CN201420120056.6U CN201420120056U CN204031396U CN 204031396 U CN204031396 U CN 204031396U CN 201420120056 U CN201420120056 U CN 201420120056U CN 204031396 U CN204031396 U CN 204031396U
- Authority
- CN
- China
- Prior art keywords
- module
- controller
- receiver
- radio receiver
- bluetooth
- 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
Landscapes
- Headphones And Earphones (AREA)
Abstract
The utility model relates to a kind of Multifunctional noise-reducing headphone, comprise earphone framework, antenna, receiver, on receiver shell, antenna is installed, display, volume adjusting key, key is set, mains switch, audio input port, function selecting key, encoder, sound insulation ear sheath, expansion link, circuit board is installed in receiver, loud speaker, expansion link is connected with earphone framework by fixture, circuit board is provided with radio receiver module, bluetooth module, controller, power amplifier module and power module, power module and display, radio receiver module, bluetooth module, controller, power amplifier module all connects, antenna and controller, radio receiver module all connects, controller is by encoder and radio receiver module, bluetooth module all connects.The utility model is simple for structure, portably uses conveniently, has broadcast receiver, Bluetooth function, has increased the scope of application of earphone; The utility model is also provided with MP-3 music player, and has chargeable or use the functions such as external power supply, has the feature of one-machine-multi-function.
Description
Technical field
The utility model relates to a kind of Multifunctional noise-reducing headphone, particularly a kind of chargeable noise cancelling headphone with AM/FM broadcast receiver, Bluetooth function, MP-3 music player.
Background technology
Earphone of the prior art is bluetooth enable not conventionally, and MP-3 music playback function, makes the application of earphone be subject to larger limitation; Affected applying of earphone.
In addition, general earphone all adopts common batteries, when after repeatedly using, battery electric quantity is not enough, must replace with new battery, makes discarded rate larger, increases battery cost and environmental protection not.
Utility model content
The technical problem that the utility model solves is the above-mentioned defect that overcomes prior art, and a kind of Multifunctional noise-reducing headphone is provided.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of Multifunctional noise-reducing headphone, comprise earphone framework, antenna, receiver, on receiver shell, antenna is installed, display, volume adjusting key, key is set, mains switch, audio input port, function selecting key, encoder, sound insulation ear sheath, expansion link, circuit board is installed in receiver, loud speaker, expansion link is connected with earphone framework by fixture, it is characterized in that being provided with on circuit board radio receiver module, bluetooth module, controller, power amplifier module and power module, power module and display, radio receiver module, bluetooth module, controller, power amplifier module all connects, antenna and controller, radio receiver module all connects, controller is by encoder and radio receiver module, bluetooth module all connects.
The utility model is also provided with MP-3 music player, memory card socket, USB interface, and MP-3 music player is connected with controller by encoder, is connected with memory card socket, USB interface on MP-3 music player.
Power module described in the utility model is comprised of charging inlet, power supply, power supply indication and mains switch, and charging inlet, power supply, power supply indication, mains switch connect successively.
Power acquisition rechargeable lithium battary described in the utility model.Can use continuously for a long time, needn't change battery, not only save battery cost but also can promote environmental protection.
The utility model is simple for structure, portably uses conveniently, has Bluetooth function, has increased the scope of application of earphone; The utility model is also provided with MP-3 music player, and has chargeable or use the functions such as external power supply, is very easy to user, has the feature of one-machine-multi-function.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of this practicality silk new embodiment.
Fig. 2 is the schematic perspective view of the utility model embodiment.
Embodiment
Referring to Fig. 1, Fig. 2, the utility model embodiment Multifunctional noise-reducing headphone is provided with earphone framework (headband) 1, antenna 2, receiver 3, antenna 2, display 4, volume adjusting key 5 are installed on receiver 3 shells, key 6 are set, mains switch 7, audio input port 8, function selecting key 9, encoder 10, sound insulation ear sheath 11, expansion link 13, circuit board, loud speaker 12 are installed in receiver 3, and expansion link 13 is connected with earphone framework 1 by fixture 14.
On circuit board, be provided with radio receiver module 15, bluetooth module 16, controller 17, power amplifier module 18, MP-3 music player 19, memory card socket 20, USB interface 21, power supply indication 22, power supply 23, charging inlet 24, power supply 23 and display 4, radio receiver module 15, bluetooth module 16, controller 17, power amplifier module 18, MP-3 music player 19, power supply indication 22 all connects, antenna 2 and controller 17, radio receiver module 15 all connects, controller 17 is by encoder 10 and radio receiver module 15, bluetooth module 16, MP-3 music player 19 all connects, described bluetooth module 16 possesses call Bluetooth function and music bluetooth function, in technical specification, be referred to as HandfreeProfile (HFP) and HeadsetPro-file (HSP), the former is that take hands-free is main bluetooth earphone, support to replay, refuse to listen, incoming call reservation function, be generally the monophony design of monaural formula, the latter be take the function of earphone as main, is generally the stereo design of dual-lug type, is mainly used to listoning music.The present embodiment bluetooth module 16 all has call bluetooth earphone and two functions of music Bluetooth earphone.It is ON/OFF key that length is pressed mains switch 7(), display 4 shows " bton " be opened bluetooth function, the longer mains switch 7 of pressing, display 4 shows that " btof " turns off Bluetooth function.
During actual use, on mobile phone, select " increase bluetooth equipment ", after successful matching, just can become the earphone that possesses hands-free Bluetooth function.Then press mains switch 7 start, then press function selecting key 9, selection " bt " there is a music Bluetooth earphone function.Just can become the music Bluetooth earphone of listoning music.Described bluetooth module 16 can adopt existing techniques in realizing.
The radio receiver module 15 of the present embodiment be take AM/FM broadcast receiver integrated chip and LCD Coding and driving integrated chip as main, and the signal in radio station enters radio receiver module 15 by antenna 2, AM/FM broadcast receiver integrated chip is by the radio signals High frequency amplification receiving, it is carried out after automatic gain control (AGC=Automatic Gain Control), this analog signal is converted to digital signal, give automatic frequency adjustment (AFC=Automatic Frequency Control), then, by to the processing of digital signal be arranged on the encoder 10 on receiver 3 shells, the Interface Control of volume adjusting key 5, by the digital signal of processing, through digital-to-analogue conversion (D/A=Digital-to-Analog), be audio analog signals again, after power amplifier module 18, send into loud speaker 12 and import people's ear into, LCD Coding and driving integrated chip drives the laggard row decoding of the wireless frequency of radio station digitized processing of AM/FM, export the liquid crystal display 4 being arranged on receiver 3 shells to, tuned frequency when numeral shows tuning radio station.
MP-3 music player 19 has adopted the digital compression technology (compression ratio can reach 12:1) of height ratio after MP3 encoding software is encoded, and in the situation that guaranteeing tonequality, the mp3 file of sound per minute only has 1MB left and right size.Use MP3 to play instrument mp3 file is carried out to real-time decompression (decoding), the voice signal after reduction is outputed on loud speaker 12, the hi-fi music sound of MP3 has just played back.
That in the Internet, popularizes is present, for music-lover, downloads MP3 music from the Internet just very convenient.The MP-3 music player 19 of the present embodiment can connect computer by USB interface 21 lines, can easily complete the download of MP3 music.The MP3 music file of downloading is kept in storage card by memory card socket 20, and during broadcasting, you just can listen while walking.
Receiver 3 shells of the present embodiment are equipped with encoder 10, and encoder 10 both can carry out Interface Control to radio receiver module 15, and tuning receive frequency is selected radio station; Also can carry out Interface Control to MP-3 music player 19, the melody succession of tuning reception MP-3 music player 19; Also can when being used Bluetooth function, the present embodiment show in Bluetooth function operation.
The present embodiment power module is comprised of charging inlet 24, power supply 23, power supply indication 22 and mains switch 7, and charging inlet 24, power supply 23, power supply indication 22, mains switch 7 connect successively.
When power supply 23 adopts rechargeable battery, by charging inlet 24, can automatically for example, to rechargeable battery (chargeable lithium cell), charge, to reduce the use of common batteries, also can directly use external power supply by charging inlet 24.
The present embodiment circuit has two features:
First, circuit height is integrated, it mainly consists of four or five integrated circuits (AM/FM circuit chip, MP-3 circuit chip, Bluetooth circuit chip and LCD decoder driver circuit chip), greatly simplified circuit, dwindled circuit volume, the integrated circuit plate of broadcast receiver, MP-3, Bluetooth function can be loaded in an auricular concha.
Secondly, radio station is received to signal and carry out digitized processing, effectively suppressed internal noise, reduced nonlinear distortion, improved fidelity, output audio signal is clear stereo.
During use, worn earphone, sound insulation ear sheath 11 be close to and worn people's ear:
Press mains switch 7 as listening in frequency modulation broadcast, press AM/FM function selecting key 9, liquid crystal display 4 shows a certain frequency in 87.5 ~ 108MHz, and end user rotates or press encoder 10, and to carry out channel selection tuning, until search the radio station that will listen to
As felt, volume is too little, presses volume adjusting key 5, and while rotary encoder 10, until volume change is to required volume;
As listen to amplitude modulation broadcasting, and press AM/FM function selecting key 9, liquid crystal display 4 shows a certain frequency in 522 ~ 1710KHz, end user rotates or press encoder 10, and to carry out channel selection tuning, until search the radio station that will listen to;
As listened to CD-ROM Title, the audio output port of CD player is inserted to audio input port 8.
The present embodiment structure is extension type, does not use while carrying, and two receivers 3 are upwards pushed away along expansion link 13 and fixture 14, to shorten the distance of (steel wire) fixture 14, can greatly reduce earphone and take up space, suitable carrying.
The present embodiment sound insulation ear sheath 11 and receiver 3 shell clampings, can pull down cleaning, and handling easily, keep sound insulation ear sheath 11 clean salubrious, user are worn comfortable, between suitable Chang Time, wear use.
The equivalent transformation of every technical solutions of the utility model and technical characterictic or combination, all should think and fall into protection range of the present utility model.
Claims (4)
1. a Multifunctional noise-reducing headphone, comprise earphone framework, antenna, receiver, on receiver shell, antenna is installed, display, volume adjusting key, key is set, mains switch, audio input port, function selecting key, encoder, sound insulation ear sheath, expansion link, circuit board is installed in receiver, loud speaker, expansion link is connected with earphone framework by fixture, it is characterized in that: on circuit board, be provided with radio receiver module, bluetooth module, controller, power amplifier module and power module, power module and display, radio receiver module, bluetooth module, controller, power amplifier module all connects, antenna and controller, radio receiver module all connects, controller is by encoder and radio receiver module, bluetooth module all connects, also be provided with MP-3 music player, memory card socket, USB interface, MP-3 music player is connected with controller by encoder, on MP-3 music player, be connected with memory card socket, USB interface.
2. Multifunctional noise-reducing headphone according to claim 1, is characterized in that: described power module is comprised of charging inlet, power supply, power supply indication and mains switch, and charging inlet, power supply, power supply indication, mains switch connect successively.
3. Multifunctional noise-reducing headphone according to claim 2, is characterized in that: described power acquisition rechargeable lithium battary.
4. Multifunctional noise-reducing headphone according to claim 1 and 2, is characterized in that: described display adopts liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120056.6U CN204031396U (en) | 2014-03-18 | 2014-03-18 | A kind of Multifunctional noise-reducing headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120056.6U CN204031396U (en) | 2014-03-18 | 2014-03-18 | A kind of Multifunctional noise-reducing headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204031396U true CN204031396U (en) | 2014-12-17 |
Family
ID=52071218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420120056.6U Expired - Fee Related CN204031396U (en) | 2014-03-18 | 2014-03-18 | A kind of Multifunctional noise-reducing headphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204031396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106331925A (en) * | 2015-06-30 | 2017-01-11 | 华为技术有限公司 | Bluetooth earphone |
-
2014
- 2014-03-18 CN CN201420120056.6U patent/CN204031396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106331925A (en) * | 2015-06-30 | 2017-01-11 | 华为技术有限公司 | Bluetooth earphone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102594975B (en) | Call control system and method | |
| CN201663675U (en) | Headphone audio power amplifier | |
| CN107295434A (en) | TWS earphones and realize the vocal music of TWS earphones with the computer-readable recording medium broadcast | |
| CN207022164U (en) | TWS earphones | |
| US8693951B2 (en) | Wireless audio frequency playing apparatus and wireless playing system using the same | |
| CN108513224A (en) | Wireless microphone based on Bluetooth BLE transmission | |
| CN104796816A (en) | Automatic-switching WIFI intelligent sound box | |
| CN201114029Y (en) | Bluetooth earphone possessing wireless broadcasting receiving function | |
| CN203261329U (en) | Wristwatch type bluetooth intercommunication device | |
| CN202385253U (en) | Built-in noise reduction earphone for AM/FM radio set | |
| CN212486738U (en) | Tracking type wireless earphone charging box | |
| CN202907130U (en) | Card type bluetooth sound box | |
| CN204031396U (en) | A kind of Multifunctional noise-reducing headphone | |
| CN202979214U (en) | Sound box | |
| CN201957216U (en) | Bluetooth earphone with sound recording function | |
| CN204669579U (en) | Bluetooth noise-reducing earphone | |
| CN204948314U (en) | A kind of repeater and bluetooth HIFI earphone being applicable to earphone | |
| CN201413922Y (en) | Pluggable antenna and audio frequency switching device | |
| CN104467902A (en) | Portable audio transmission device and audio transmission method thereof | |
| CN107411213A (en) | The Bluetooth audio frequency radio footwear and control that internet can be coupled play Bluetooth earphone system | |
| CN202004878U (en) | Television remote controller and television | |
| CN203520862U (en) | Phonograph with Bluetooth reception function | |
| CN104811850A (en) | WIFI based intelligent sound box | |
| CN204836469U (en) | Bluetooth microphone | |
| CN202799081U (en) | Audio equipment with functions of radio |
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 |
Granted publication date: 20141217 Termination date: 20150318 |
|
| EXPY | Termination of patent right or utility model |