CN204103913U - A kind of Bluetooth interphone for mobile network's intercom system - Google Patents
A kind of Bluetooth interphone for mobile network's intercom system Download PDFInfo
- Publication number
- CN204103913U CN204103913U CN201420573367.8U CN201420573367U CN204103913U CN 204103913 U CN204103913 U CN 204103913U CN 201420573367 U CN201420573367 U CN 201420573367U CN 204103913 U CN204103913 U CN 204103913U
- Authority
- CN
- China
- Prior art keywords
- bluetooth
- interphone
- electric capacity
- bluetooth module
- intercom system
- 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
Abstract
The utility model provides a kind of Bluetooth interphone for mobile network's intercom system, comprising: radio frequency unit, for reception and the transmitting of Bluetooth signal; The bluetooth module be connected with radio frequency unit, for the conversion of the encoding and decoding of audio frequency, audio signal and Bluetooth signal; Clock unit, for providing clock signal to bluetooth module; Power subsystem, for powering for whole Bluetooth interphone; The audio frequency input-output unit be connected with bluetooth module, for the ascending voice collection of user and the broadcasting of downstream tones data; The intercom push key be connected with bluetooth module, for starting Bluetooth talkback function.This Bluetooth interphone, by bluetooth and common mobile terminal docking, utilizes the data channel of mobile communication wireless network to achieve intercommunication function, saves cost of the phone call.
Description
Technical field
The utility model relates to a kind of communication equipment, especially a kind of Bluetooth interphone for mobile network's intercom system.
Background technology
The bluetooth earphone intelligence that current people generally use is used for carrying out voice call, and bluetooth earphone is connected with mobile terminal by Bluetooth signal, is then conversed by mobile communication wireless network between mobile terminal, as shown in Figure 1.This communication mode needs the voice channel using mobile communication wireless network, and rate are relatively high.Therefore need after end of conversation to hang up communication line.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of Bluetooth interphone for mobile network's intercom system, the intercommunication on itself and mobile terminal apply with the use of, intercommunication function can be realized in common mobile terminal, relative to voice communication, intercom rate are low.The technical solution adopted in the utility model is:
For a Bluetooth interphone for mobile network's intercom system, comprising:
Radio frequency unit, for reception and the transmitting of Bluetooth signal;
The bluetooth module be connected with radio frequency unit, for the conversion of the encoding and decoding of audio frequency, audio signal and Bluetooth signal;
Clock unit, for providing clock signal to bluetooth module;
Power subsystem, for powering for whole Bluetooth interphone;
The audio frequency input-output unit be connected with bluetooth module, for the ascending voice collection of user and the broadcasting of downstream tones data;
The intercom push key be connected with bluetooth module, for starting Bluetooth talkback function.
Further, described radio frequency unit comprises antenna AT1, and antenna AT1 connects the first matching network, connects the input of filter FLT1 after the first matching network, and output termination second matching network of filter FLT1, connects bluetooth module after the second matching network.
Further, the first matching network comprises electric capacity C1, C2, C3; Electric capacity C1 is connected between antenna AT1 and filter FLT1 input, between the two ends that electric capacity C2 and C3 is connected in parallel on electric capacity C1 respectively and ground; Second matching network comprises electric capacity C4, C5, C6; Electric capacity C4 is connected between filter FLT1 output and bluetooth module, between the two ends that electric capacity C5 and C6 is connected in parallel on electric capacity C4 respectively and ground.
Further, the model of filter FLT1 is LFB212G45CG7D227.
Further, bluetooth module is formed primarily of Bluetooth chip CSR8620, and inside comprises MCU microprocessor, dsp processor and for digital-to-analogue/analog-to-digital audio-frequency module.
Further, audio frequency input-output unit comprises the microphone MIC and loud speaker SP that are connected with bluetooth module.
Advantage of the present utility model: this Bluetooth interphone, by bluetooth and common mobile terminal docking, utilizes the data channel of mobile communication wireless network to achieve intercommunication function, saves cost of the phone call.
Accompanying drawing explanation
Fig. 1 is existing voice call network diagram.
Fig. 2 is the Bluetooth talkback network diagram utilizing mobile communication wireless network data channel to form of the present utility model.
Fig. 3 is Bluetooth interphone structural representation of the present utility model.
Fig. 4 is radio frequency unit structural representation of the present utility model.
Fig. 5 is clock unit structural representation of the present utility model.
Fig. 6 is up workflow schematic diagram of the present utility model.
Fig. 7 is downlink working schematic flow sheet of the present utility model.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
The utility model provides a kind of mobile communication wireless network that relies in existing common mobile terminal to realize the Bluetooth interphone of intercommunication function.
Bluetooth interphone utilizes the data channel of mobile communication wireless network to carry out intercommunication, and user can keep always online.Because the expense of general data channel is lower than voice channel, so use this Bluetooth interphone can save cost of the phone call for user.This intercom additionally provides the voice call function of common bluetooth earphone simultaneously.
The Bluetooth talkback network utilizing mobile communication wireless network data channel to form as shown in Figure 2, of the present utility modelly focuses on Bluetooth interphone, and it also needs to coordinate the intercommunication APP (application) on wireless terminal to use together in use.
As shown in Figure 3, this Bluetooth interphone comprises:
Radio frequency unit, for reception and the transmitting of Bluetooth signal;
The bluetooth module be connected with radio frequency unit, for the conversion of the encoding and decoding of audio frequency, audio signal and Bluetooth signal;
Clock unit, for providing clock signal to bluetooth module;
Power subsystem, for powering for whole Bluetooth interphone;
The audio frequency input-output unit be connected with bluetooth module, for the ascending voice collection of user and the broadcasting of downstream tones data;
The intercom push key be connected with bluetooth module, for starting Bluetooth talkback function.
Related introduction is done to this Bluetooth interphone each several part below.
Radio frequency unit as shown in Figure 4, comprise antenna AT1, antenna AT1 connects the input of filter FLT1 after connecting the first matching network 10, first matching network 10, bluetooth module is connected after output termination second matching network 20, second matching network 20 of filter FLT1;
Wherein, the first matching network 10 comprises electric capacity C1, C2, C3; Electric capacity C1 is connected between antenna AT1 and filter FLT1 input, between the two ends that electric capacity C2 and C3 is connected in parallel on electric capacity C1 respectively and ground; The model of filter FLT1 is LFB212G45CG7D227; Second matching network comprises electric capacity C4, C5, C6; Electric capacity C4 is connected between filter FLT1 output and bluetooth module, between the two ends that electric capacity C5 and C6 is connected in parallel on electric capacity C4 respectively and ground.The value of electric capacity C1 and C4 is 8.2pF, and the value of electric capacity C2, C3, C5, C6 is 2.7pF.
Bluetooth module is formed primarily of Bluetooth chip CSR8620, and inside comprises MCU microprocessor, dsp processor and for digital-to-analogue/analog-to-digital audio-frequency module; Audio-frequency module is for connecting outside audio frequency input-output unit; Wherein, MCU is responsible for the operation of Bluetooth protocol, and DSP realizes the encoding and decoding work of audio frequency.Audio-frequency module then comprises ADC(analog to digital converter) and DAC(digital to analog converter), turn for the mutual of analog to digital of audio frequency.
Audio frequency input-output unit comprises the microphone MIC and loud speaker SP that are connected with bluetooth module.Realize the ascending voice collection of user and the playing function of downstream tones data.
Clock unit as shown in Figure 5, comprises the crystal oscillator XT1 be connected on Bluetooth chip CSR8620.
Workflow of the present utility model as shown in Figure 6 and Figure 7.
Figure 6 shows that upflow:
1) after the intercom push key of Bluetooth interphone is pressed, key-press event is sent to mobile phone by bluetooth by Bluetooth interphone, opens bluetooth SCO passage after the intercommunication application software key range event of mobile phone side.
2) Bluetooth interphone gather local audio data, then by Bluetooth transmission to mobile phone.
3), after mobile phone is encoded, then sent by the data channel of mobile communications network.
Figure 7 shows that downflow:
1) mobile phone is by the data channel receiving network data of mobile communications network, intercommunication analytic application voice data, then by voice data by Bluetooth transmission to Bluetooth interphone.
2) Bluetooth interphone decoding audio data, then plays, and such user just can uppick sound.
Claims (6)
1. for a Bluetooth interphone for mobile network's intercom system, it is characterized in that, comprising:
Radio frequency unit, for reception and the transmitting of Bluetooth signal;
The bluetooth module be connected with radio frequency unit, for the conversion of the encoding and decoding of audio frequency, audio signal and Bluetooth signal;
Clock unit, for providing clock signal to bluetooth module;
Power subsystem, for powering for whole Bluetooth interphone;
The audio frequency input-output unit be connected with bluetooth module, for the ascending voice collection of user and the broadcasting of downstream tones data;
The intercom push key be connected with bluetooth module, for starting Bluetooth talkback function.
2., as claimed in claim 1 for the Bluetooth interphone of mobile network's intercom system, it is characterized in that:
Described radio frequency unit comprises antenna AT1, antenna AT1 connects the first matching network (10), the input of filter FLT1 is connect after first matching network (10), output termination second matching network (20) of filter FLT1, connects bluetooth module after the second matching network (20).
3., as claimed in claim 2 for the Bluetooth interphone of mobile network's intercom system, it is characterized in that:
First matching network (10) comprises electric capacity C1, C2, C3; Electric capacity C1 is connected between antenna AT1 and filter FLT1 input, between the two ends that electric capacity C2 and C3 is connected in parallel on electric capacity C1 respectively and ground; Second matching network (20) comprises electric capacity C4, C5, C6; Electric capacity C4 is connected between filter FLT1 output and bluetooth module, between the two ends that electric capacity C5 and C6 is connected in parallel on electric capacity C4 respectively and ground.
4., as claimed in claim 2 for the Bluetooth interphone of mobile network's intercom system, it is characterized in that:
The model of filter FLT1 is LFB212G45CG7D227.
5., as claimed in claim 1 or 2 for the Bluetooth interphone of mobile network's intercom system, it is characterized in that:
Bluetooth module is formed primarily of Bluetooth chip CSR8620, and inside comprises MCU microprocessor, dsp processor and for digital-to-analogue/analog-to-digital audio-frequency module.
6., as claimed in claim 1 or 2 for the Bluetooth interphone of mobile network's intercom system, it is characterized in that:
Audio frequency input-output unit comprises the microphone MIC and loud speaker SP that are connected with bluetooth module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420573367.8U CN204103913U (en) | 2014-09-30 | 2014-09-30 | A kind of Bluetooth interphone for mobile network's intercom system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420573367.8U CN204103913U (en) | 2014-09-30 | 2014-09-30 | A kind of Bluetooth interphone for mobile network's intercom system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103913U true CN204103913U (en) | 2015-01-14 |
Family
ID=52272311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420573367.8U Active CN204103913U (en) | 2014-09-30 | 2014-09-30 | A kind of Bluetooth interphone for mobile network's intercom system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204103913U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722039A (en) * | 2016-03-08 | 2016-06-29 | 深圳市合汇鑫通科技有限公司 | Bicycle handle bar sound box system and talkback control method thereof |
| CN106331901A (en) * | 2015-07-03 | 2017-01-11 | 石家庄市善理通益科技有限公司 | Bluetooth hand microphone, smart terminal, and digital trunked intercom system |
| CN107222233A (en) * | 2017-05-23 | 2017-09-29 | 重庆蓝岸通讯技术有限公司 | Mobile communication equipment |
| CN108462514A (en) * | 2017-02-17 | 2018-08-28 | 林妙勇 | Bluetooth talkback device and related intercom system |
| CN109982307A (en) * | 2019-03-01 | 2019-07-05 | 西安极蜂天下信息科技有限公司 | Data transmission method and device |
| CN116961704A (en) * | 2023-08-03 | 2023-10-27 | 西安旭阳通讯设备有限公司 | Method for realizing Bluetooth sound box function of interphone |
-
2014
- 2014-09-30 CN CN201420573367.8U patent/CN204103913U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106331901A (en) * | 2015-07-03 | 2017-01-11 | 石家庄市善理通益科技有限公司 | Bluetooth hand microphone, smart terminal, and digital trunked intercom system |
| CN105722039A (en) * | 2016-03-08 | 2016-06-29 | 深圳市合汇鑫通科技有限公司 | Bicycle handle bar sound box system and talkback control method thereof |
| CN108462514A (en) * | 2017-02-17 | 2018-08-28 | 林妙勇 | Bluetooth talkback device and related intercom system |
| CN107222233A (en) * | 2017-05-23 | 2017-09-29 | 重庆蓝岸通讯技术有限公司 | Mobile communication equipment |
| CN109982307A (en) * | 2019-03-01 | 2019-07-05 | 西安极蜂天下信息科技有限公司 | Data transmission method and device |
| CN109982307B (en) * | 2019-03-01 | 2022-09-06 | 西安蜂语信息科技有限公司 | Data transmission method and device |
| CN116961704A (en) * | 2023-08-03 | 2023-10-27 | 西安旭阳通讯设备有限公司 | Method for realizing Bluetooth sound box function of interphone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204103913U (en) | A kind of Bluetooth interphone for mobile network's intercom system | |
| CN203721183U (en) | A voice wakening device | |
| CN203554531U (en) | Full-duplex ad-hoc network voice communication unit | |
| CN105611075A (en) | Method and system for wirelessly remotely controlling mobile terminal | |
| CN202713296U (en) | Multimedia equipment, multimedia transmission and playing system and telephone conference system | |
| CN201114014Y (en) | Interphone | |
| CN201345681Y (en) | Terminal with the sound amplifying function | |
| CN201303356Y (en) | Device of mobile phone television multi-channel audios | |
| CN203813932U (en) | Group chat device for multi-party voice communication | |
| CN101370047A (en) | Mobile terminal and terminal system | |
| CN201230342Y (en) | Wireless real-time bi-directional intercom apparatus | |
| CN201919140U (en) | Bluetooth headset | |
| CN102624963B (en) | Mobile phone with full duplex wireless intercom function, and implementation method thereof | |
| CN201878142U (en) | Wireless Bluetooth interphone for motorcycle | |
| CN204425599U (en) | A kind of earphone based on bone conduction technology | |
| CN202841294U (en) | Verbal device and system | |
| CN201252537Y (en) | Wireless ear piece and moving terminal | |
| CN105634530A (en) | Interphone | |
| CN201910841U (en) | Mobile phone microphone system and mobile phone | |
| CN207718805U (en) | A kind of high definition Bluetooth audio frequency transceiver terminal and communication system | |
| CN201893928U (en) | Hearing aid with bluetooth communication function | |
| CN209767520U (en) | Earplug intercom of overlength standby | |
| CN209930248U (en) | Earplug interphone with built-in antenna | |
| CN202696715U (en) | Cellphone with talkback function | |
| CN204117351U (en) | A kind of earphone and communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |