CN203301745U - Bluetooth push-to-talk navigation system based on USB connection module - Google Patents
Bluetooth push-to-talk navigation system based on USB connection module Download PDFInfo
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- CN203301745U CN203301745U CN2013202346895U CN201320234689U CN203301745U CN 203301745 U CN203301745 U CN 203301745U CN 2013202346895 U CN2013202346895 U CN 2013202346895U CN 201320234689 U CN201320234689 U CN 201320234689U CN 203301745 U CN203301745 U CN 203301745U
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- navigation system
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- link block
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Abstract
The utility model discloses a bluetooth push-to-talk navigation system based on a USB connection module. The system includes a backstage system, a vehicle-mounted navigation system and a cellphone which is connected with the backstage system through a voice channel, wherein the bluetooth push-to-talk navigation system based on the USB connection module also includes the USB connection module. The USB connection module is in communication connection with the cellphone through a bluetooth module. The vehicle-mounted navigation system is provided with a USB insert hole. The vehicle-mounted navigation system is in communication connection with the USB connection module through a USB interface. The bluetooth push-to-talk navigation system based on the USB connection module requires no installation of a drive program and is simple and convenient to operate, high in stability and long in battery life.
Description
Technical field
The utility model relates to a kind of on-vehicle Bluetooth PTT navigation system, in particular a kind of PTT of bluetooth based on USB link block navigation system.
Background technology
So-called " PTT " (english abbreviation PTT, i.e. Push-To-Talk) has been exactly the in fact integrated mobile phone of intercom function, the user presses the intercommunication key on mobile phone, just can directly converse with Anywhere group or individual.Along with the development of vehicle carried video equipment, onboard navigation system constantly perfect, " PTT " combines with onboard navigation system, realizes that voice arrange the functions such as destination.But bluetooth PTT navigation system of the prior art is generally to transmit by the signal that the 2.4G communication module is realized controlling between MCU and onboard navigation system, this way has the following disadvantages: on the one hand, due to 2.4G communication module jitter, be difficult to realize locking pairing one to one, affect the accuracy of actual signal transmission; On the other hand, the carrier bulk of 2.4G communication module is too little, is difficult to install.Also there are the inconvenience such as the bluetooth base often need to charge when the actual use of user bluetooth PTT of the prior art navigation system.
Therefore, prior art has yet to be improved and developed.
The utility model content
The purpose of this utility model is to provide a kind of PTT of bluetooth based on USB link block navigation system, this system is by utilizing the USB link block to substitute the 2.4G communication module, overcome in prior art signal transmission accuracy low, communication module is installed by difficulty and the bluetooth base needs the technical problems such as often charging.
The technical solution of the utility model is as follows: a kind of PTT of bluetooth based on USB link block navigation system, comprise background system, onboard navigation system and the mobile phone that is connected by voice channel with background system, wherein, the described PTT of bluetooth based on USB link block navigation system also comprises the USB link block, described USB link block is connected by Bluetooth communication with mobile phone, described onboard navigation system arranges the USB jack, and onboard navigation system and USB link block communicate to connect by USB interface.
The described PTT of bluetooth based on USB link block navigation system, wherein, described USB link block comprises that bluetooth module, STM32 codec chip and USB that signal is encoded or decoded drive chip, and described bluetooth module, STM32 codec chip are connected chip three communication and connect with USB.
The described PTT of bluetooth based on USB link block navigation system, wherein, described bluetooth module and Bluetooth of mobile phone coupling.
The beneficial effects of the utility model: the utility model is by utilizing the USB link block to substitute the 2.4G communication module, realized mobile phone--signal transmission accurately between-USB link block-onboard navigation system three, and the USB link block directly is connected with onboard navigation system by the USB socket, easy to use and reliable, overcome in prior art signal transmission accuracy low, communication module is installed by difficulty and the bluetooth base needs the technical problems such as often charging.
Description of drawings
Fig. 1 is based on the operation principle block diagram of the bluetooth PTT navigation system of USB link block in the utility model.
Fig. 2 is based on the operation principle block diagram of the USB link block of the bluetooth PTT navigation system of USB link block in the utility model.
Embodiment
, for making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
As shown in Figure 1, in the utility model, the bluetooth PTT navigation system based on the USB link block comprises background system, mobile phone, USB link block and onboard navigation system; Described mobile phone is connected with the background system communication by voice channel, described USB link block is connected by blue teeth wireless with mobile phone, and described onboard navigation system is provided with the USB socket, and described USB link block is connected with the onboard navigation system communication by USB interface.Mobile phone sends instruction by voice channel to background system, after background system is received instruction, result is sent on mobile phone by voice channel, mobile phone sends to the USB link block to result by bluetooth, the USB link block is transferred to onboard navigation system to this signal by USB interface after receiving the signal that mobile phone sends and come.
As shown in Figure 2, in the utility model, the USB link block based on the bluetooth PTT navigation system of USB link block comprises bluetooth module, STM32(ARM microprocessor) codec chip and USB drive chip; Wherein the bluetooth module in the USB link block and Bluetooth of mobile phone mate, for the communication that realizes between USB link block and mobile phone, bluetooth module is transferred to the STM32 codec chip to the signal that receives, the STM32 codec chip is decoded to signal, and the decoded result that obtains is transferred to USB driving chip, USB drives chip this result is transferred to onboard navigation system by the USB socket, and onboard navigation system receives after USB drives the information that chip transmits carries out analyzing and processing.
The utility model is by utilizing the USB link block to substitute the 2.4G communication module, realized mobile phone--signal transmission accurately between-USB link block-onboard navigation system three, and the USB link block directly is connected with onboard navigation system by the USB socket, easy to use and reliable, overcome in prior art signal transmission accuracy low, communication module is installed by difficulty and the bluetooth base needs the technical problems such as often charging.During concrete the use, the utility model need not install driver, and is simple to operation, and stability is high, and flying power is strong.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improve and conversion all should belong to the protection range of the utility model claims.
Claims (3)
1. the PTT of the bluetooth based on USB link block navigation system, comprise background system, onboard navigation system and the mobile phone that is connected by voice channel with background system, it is characterized in that, the described PTT of bluetooth based on USB link block navigation system also comprises the USB link block, described USB link block is connected by Bluetooth communication with mobile phone, described onboard navigation system arranges the USB jack, and onboard navigation system and USB link block communicate to connect by USB interface.
2. the PTT of the bluetooth based on USB link block navigation system according to claim 1, it is characterized in that, described USB link block comprises that bluetooth module, STM32 codec chip and USB that signal is encoded or decoded drive chip, and described bluetooth module, STM32 codec chip are connected chip three communication and connect with USB.
3. the PTT of the bluetooth based on USB link block navigation system according to claim 2, is characterized in that, described bluetooth module and Bluetooth of mobile phone coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202346895U CN203301745U (en) | 2013-05-03 | 2013-05-03 | Bluetooth push-to-talk navigation system based on USB connection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202346895U CN203301745U (en) | 2013-05-03 | 2013-05-03 | Bluetooth push-to-talk navigation system based on USB connection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301745U true CN203301745U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202346895U Expired - Fee Related CN203301745U (en) | 2013-05-03 | 2013-05-03 | Bluetooth push-to-talk navigation system based on USB connection module |
Country Status (1)
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| CN (1) | CN203301745U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410659A (en) * | 2014-10-14 | 2015-03-11 | 广东翼卡车联网服务有限公司 | Bluetooth-based information transmission system for Internet of Vehicles and implementation method thereof |
| CN105790798A (en) * | 2014-08-25 | 2016-07-20 | 现代自动车株式会社 | Bluetooth Pairing Method Using A Wired Connection |
| CN105823487A (en) * | 2016-05-25 | 2016-08-03 | 常熟恒基科技有限公司 | Mobile phone interconnection intelligent in-vehicle navigation system |
-
2013
- 2013-05-03 CN CN2013202346895U patent/CN203301745U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790798A (en) * | 2014-08-25 | 2016-07-20 | 现代自动车株式会社 | Bluetooth Pairing Method Using A Wired Connection |
| CN104410659A (en) * | 2014-10-14 | 2015-03-11 | 广东翼卡车联网服务有限公司 | Bluetooth-based information transmission system for Internet of Vehicles and implementation method thereof |
| CN105823487A (en) * | 2016-05-25 | 2016-08-03 | 常熟恒基科技有限公司 | Mobile phone interconnection intelligent in-vehicle navigation system |
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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: 20131120 Termination date: 20190503 |