CN106953655A - External Big Dipper on-vehicle Bluetooth retransmission unit - Google Patents
External Big Dipper on-vehicle Bluetooth retransmission unit Download PDFInfo
- Publication number
- CN106953655A CN106953655A CN201610009468.6A CN201610009468A CN106953655A CN 106953655 A CN106953655 A CN 106953655A CN 201610009468 A CN201610009468 A CN 201610009468A CN 106953655 A CN106953655 A CN 106953655A
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- CN
- China
- Prior art keywords
- big dipper
- power
- circuit
- car
- battery
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of external Big Dipper on-vehicle Bluetooth retransmission unit, can simplify the installation of Big Dipper car-mounted terminal, and increase is maintainable, the convenience that lifting user uses.The device is placed in roof by magnet, including：Single-chip microcomputer, bluetooth module and power supply module；Wherein, the single-chip microcomputer connects Big Dipper car-mounted terminal and the bluetooth module by serial ports, the bluetooth module connects the aobvious control computer of Big Dipper in-car by bluetooth approach, carried out data transmission between the aobvious control computer of Big Dipper car-mounted terminal and the Big Dipper in-car by the single-chip microcomputer and bluetooth module, the power supply module connects the single-chip microcomputer and bluetooth module, for being that the single-chip microcomputer and bluetooth module are powered.
Description
Technical field
The present invention relates to No. two field of terminal equipment of the Big Dipper, and in particular to a kind of external Big Dipper
On-vehicle Bluetooth retransmission unit.
Background technology
No. two satellite navigation systems of the Big Dipper (BD2 or Beidou-2) are the complete of Chinese stand-alone development
Ball satellite navigation system.End the end of the year 2012 existing 14 satellite services in the Asian-Pacific area, including
5 GEO satellites, 5 IGSO satellites and 4 MEO satellites.No. two satellite navigation systems of the Big Dipper
It is main that three zones are provided：Short message communicates；Location navigation；Time service.
No. two terminal devices of the Big Dipper include Shipborne terminal, data transmission terminal, handheld terminal and the Big Dipper
Module etc..As a large amount of popularizations of No. two car-mounted terminals of the Big Dipper are used, traditional Big Dipper is vehicle-mounted
Terminal is required for transferring signals to vehicle interior by a multi-core cable or single-chip cable,
This just adds larger difficulty for installation, while maintainability is poor, user uses also more inconvenient.
The content of the invention
It is an object of the present invention to provide a kind of external Big Dipper on-vehicle Bluetooth retransmission unit,
The installation of Big Dipper car-mounted terminal can be simplified, increase is maintainable, the side that lifting user uses
Just property.
For this purpose, the present invention proposes a kind of external Big Dipper on-vehicle Bluetooth retransmission unit, should
Device is placed in roof by magnet, including：
Single-chip microcomputer, bluetooth module and power supply module；Wherein,
The single-chip microcomputer connects Big Dipper car-mounted terminal and the bluetooth module by serial ports, described
Bluetooth module connects the aobvious control computer of Big Dipper in-car, the Big Dipper vehicle-mounted end by bluetooth approach
Data are carried out by the single-chip microcomputer and bluetooth module between end and the aobvious control computer of Big Dipper in-car
Transmission,
The power supply module connects the single-chip microcomputer and bluetooth module, for for the single-chip microcomputer
Powered with bluetooth module.
External Big Dipper on-vehicle Bluetooth retransmission unit described in the embodiment of the present invention, by integrated
Bluetooth module, using magnet adsorption function, without transforming Big Dipper car-mounted terminal, makes
Big Dipper car-mounted terminal can enter without carrying out wired connection between the aobvious control computer of Big Dipper in-car
Row data communication, and can directly remove replacing, thus compared to Big Dipper car-mounted terminal with
Data are carried out by a multi-core cable or single-chip cable between the aobvious control computer of Big Dipper in-car
The prior art of transmission, can simplify the installation of Big Dipper car-mounted terminal, and increase is maintainable,
The convenience that lifting user uses, greatly improves the usage experience of user.
Brief description of the drawings
Fig. 1 shows for the structure of the embodiment of external Big Dipper on-vehicle Bluetooth retransmission unit one of the present invention
It is intended to；
Fig. 2 be Fig. 1 in the embodiment of power supply module one structural representation；
Fig. 3 be Fig. 1 in another embodiment of power supply module structural representation.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below will
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Describe to Chu, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the present invention
The scope of protection.
As shown in figure 1, the present embodiment discloses a kind of external Big Dipper on-vehicle Bluetooth retransmission unit,
The device is placed in roof by magnet, including：
Single-chip microcomputer 11, bluetooth module 2 and power supply module 3；Wherein,
The single-chip microcomputer 1 connects Big Dipper car-mounted terminal and the bluetooth module 2, institute by serial ports
State bluetooth module 2 and the aobvious control computer of Big Dipper in-car, the Big Dipper car are connected by bluetooth approach
Pass through the single-chip microcomputer 1 and bluetooth module 2 between mounted terminal and the aobvious control computer of Big Dipper in-car
Carry out data transmission,
The power supply module 3 connects the single-chip microcomputer 1 and bluetooth module 2, for for the list
Piece machine 1 and bluetooth module 2 are powered.
The serial data that the outer unit of car is sent, after being received through microcontroller serial port, passes through other one
Individual serial ports is transmitted to bluetooth module, and bluetooth module wirelessly passes to in-car unit,
Realize the outer cell data of car to the transmission of in-car cell data.In-car unit is sent by bluetooth
Serial ports wireless data, after being received through bluetooth module, single-chip microcomputer, monolithic are transmitted to by serial ports
Machine is received after serial data, and unit outside car is sent to by another serial ports, is realized in-car
Transmission of the cell data to the outer cell data of car.
External Big Dipper on-vehicle Bluetooth retransmission unit described in the embodiment of the present invention, by integrated
Bluetooth module, using magnet adsorption function, without transforming Big Dipper car-mounted terminal, makes
Big Dipper car-mounted terminal can enter without carrying out wired connection between the aobvious control computer of Big Dipper in-car
Row data communication, and can directly remove replacing, thus compared to Big Dipper car-mounted terminal with
Data are carried out by a multi-core cable or single-chip cable between the aobvious control computer of Big Dipper in-car
The prior art of transmission, can simplify the installation of Big Dipper car-mounted terminal, and increase is maintainable,
The convenience that lifting user uses, greatly improves the usage experience of user.
Alternatively, in another embodiment of external Big Dipper on-vehicle Bluetooth retransmission unit of the present invention
In, the power supply module connects the Big Dipper car-mounted terminal, for for the Big Dipper vehicle-mounted end
End power supply.
The present invention use internal battery module supplying power for outside function, Bluetooth wireless communication function with
And strong magnetic suck function, Wireless-wire connection, you can conveniently realize making for Big Dipper car-mounted terminal
With.
Alternatively, referring to Fig. 2, in the another of external Big Dipper on-vehicle Bluetooth retransmission unit of the present invention
In one embodiment, the power supply module 3, including：
Power protecting circuit 30, the first power-switching circuit 31, the first power selection circuit 32,
Charging circuit 33 and battery 34；Wherein,
The power protecting circuit 30 is sequentially connected first power-switching circuit 31, charging
Circuit 33 and battery 34,
The power protecting circuit 30, it is described for being transferred to after being protected to input voltage
First power-switching circuit 31,
First power-switching circuit 31 connects the single-chip microcomputer, bluetooth module and Big Dipper car
Mounted terminal, after being nominal voltage for the voltage conversion of transmitting the power protecting circuit 30,
The single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal are powered,
In the first power selection circuit 32 described in outside plant-grid connection, the power protection electricity
Road 30 is connected by first power selection circuit 32 with external power source, to described first
The output voltage of external power source is protected,
When external power source does not access first power selection circuit 32, the battery 34
It is vehicle-mounted by first power selection circuit 32 and the single-chip microcomputer, bluetooth module and the Big Dipper
Terminal is connected, and the single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal are powered.
In the embodiment of the present invention, battery acquiescence is filled using nominal voltage 14.8V lithium battery
Circuit is used to, when the external adapter of access connection external power source, be charged to battery.
Referring to Fig. 2, power selection circuit is used for when external power source access (such as connects external electrical
Source external adapter insertion) when, charge the battery, by power-switching circuit directly to
Inner function module and exterior terminal are powered, now battery not output current outward.When suitable
When orchestration is extracted, switch back into battery and powered to device inner function module and exterior terminal.
Alternatively, referring to Fig. 3, in the another of external Big Dipper on-vehicle Bluetooth retransmission unit of the present invention
In one embodiment, the power supply module, including：
Power protecting circuit 35, second source change-over circuit 36, second source selection circuit 37,
Charging circuit 38 and battery 39；Wherein,
The power protecting circuit 35 is sequentially connected the second source change-over circuit 36, charging
Circuit 38 and battery 39,
The power protecting circuit 35, for carrying out anti-reverse protection, overvoltage to input voltage
The second source change-over circuit 36 is transferred to after protection, under-voltage protection and/or overcurrent protection,
The second source change-over circuit 36, for transmit the power protecting circuit 35
Voltage conversion is nominal voltage,
In second source selection circuit 37 described in outside plant-grid connection, the power protection electricity
Road 35 is connected by the second source selection circuit 37 with external power source, to described second
The output voltage of external power source is protected, and the second source change-over circuit 36 is by described
Second source selection circuit 37 is connected with the single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal,
The single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal are powered,
When external power source does not access the second source selection circuit 37, the battery 39
It is vehicle-mounted by the second source selection circuit 37 and the single-chip microcomputer, bluetooth module and the Big Dipper
Terminal is connected, and the single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal are powered.
Referring to Fig. 3, the difference of the embodiment of the present invention and previous embodiment is that power supply selection is electric
Road is directly connected with inner function module and exterior terminal, when there is external power supply access,
Power-switching circuit is set to be connected with inner function module and exterior terminal, so as to internal work(
Can module and exterior terminal connection power supply.
Alternatively, in another embodiment of external Big Dipper on-vehicle Bluetooth retransmission unit of the present invention
In, the power protecting circuit is protected for carrying out anti-reverse protection, overvoltage to input voltage
Shield, under-voltage protection and/or overcurrent protection.
Alternatively, in another embodiment of external Big Dipper on-vehicle Bluetooth retransmission unit of the present invention
In, the scope of the voltage of the power protecting circuit output is 9V~32V, the nominal voltage
For 18.4V.
Alternatively, in another embodiment of external Big Dipper on-vehicle Bluetooth retransmission unit of the present invention
In, the battery is the lithium battery that nominal voltage is 14.8V.
Alternatively, in another embodiment of external Big Dipper on-vehicle Bluetooth retransmission unit of the present invention
In, first power-switching circuit and second source change-over circuit pass through boost-buck power
Chip carries out voltage conversion.
Alternatively, in another embodiment of external Big Dipper on-vehicle Bluetooth retransmission unit of the present invention
In, also include：
Battery power detection circuit and indicator lamp 4；Wherein,
The battery power detection circuit connects the battery, the electricity for detecting the battery
Amount,
The single-chip microcomputer connects the battery power detection circuit and indicator lamp 4, for obtaining
The electricity for the battery that battery power detection circuit detection is obtained is stated, according to the battery
Electricity controls the indicator lamp 4 to enter line flicker.
In the embodiment of the present invention, indicator lamp is controlled by single-chip microcomputer, points out battery condition,
Bluetooth connection situation and power work situation can certainly be pointed out.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art
Various modifications and variations can be made without departing from the spirit and scope of the present invention,
Such modification and modification are each fallen within the scope of being defined by the appended claims.
Claims (9)
1. a kind of external Big Dipper on-vehicle Bluetooth retransmission unit, the device is placed in car by magnet
Top, it is characterised in that including：
Single-chip microcomputer, bluetooth module and power supply module；Wherein,
The single-chip microcomputer connects Big Dipper car-mounted terminal and the bluetooth module by serial ports, described
Bluetooth module connects the aobvious control computer of Big Dipper in-car, the Big Dipper vehicle-mounted end by bluetooth approach
Data are carried out by the single-chip microcomputer and bluetooth module between end and the aobvious control computer of Big Dipper in-car
Transmission,
The power supply module connects the single-chip microcomputer and bluetooth module, for for the single-chip microcomputer
Powered with bluetooth module.
2. external Big Dipper on-vehicle Bluetooth retransmission unit according to claim 1, it is special
Levy and be, the power supply module connects the Big Dipper car-mounted terminal, for for the Big Dipper car
Mounted terminal is powered.
3. external Big Dipper on-vehicle Bluetooth retransmission unit according to claim 2, it is special
Levy and be, the power supply module, including：
Power protecting circuit, the first power-switching circuit, the first power selection circuit, charging
Circuit and battery；Wherein,
The power protecting circuit is sequentially connected first power-switching circuit, charging circuit
And battery,
The power protecting circuit, for being transferred to described after being protected to input voltage
One power-switching circuit,
It is vehicle-mounted that first power-switching circuit connects the single-chip microcomputer, bluetooth module and the Big Dipper
Terminal is right after being nominal voltage for the voltage conversion of transmitting the power protecting circuit
The single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal are powered,
In the first power selection circuit described in outside plant-grid connection, the power protecting circuit
Connected by first power selection circuit with external power source, to first external power source
Output voltage protected,
When external power source does not access first power selection circuit, the battery passes through institute
The first power selection circuit is stated to be connected with the single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal,
The single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal are powered.
4. external Big Dipper on-vehicle Bluetooth retransmission unit according to claim 2, it is special
Levy and be, the power supply module, including：
Power protecting circuit, second source change-over circuit, second source selection circuit, charging
Circuit and battery；Wherein,
The power protecting circuit is sequentially connected the second source change-over circuit, charging circuit
And battery,
The power protecting circuit, for being transferred to described after being protected to input voltage
Two power-switching circuits,
The second source change-over circuit, for the voltage for transmitting the power protecting circuit
Be converted to nominal voltage,
In second source selection circuit described in outside plant-grid connection, the power protecting circuit
Connected by the second source selection circuit with external power source, to second external power source
Output voltage protected, the second source change-over circuit is selected by the second source
Select circuit to be connected with the single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal, to the monolithic
Machine, bluetooth module and Big Dipper car-mounted terminal are powered,
When external power source does not access the second source selection circuit, the battery passes through institute
Second source selection circuit is stated to be connected with the single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal,
The single-chip microcomputer, bluetooth module and Big Dipper car-mounted terminal are powered.
5. the external Big Dipper on-vehicle Bluetooth retransmission unit according to claim 3 or 4,
Characterized in that, the power protecting circuit, for input voltage is carried out anti-reverse protection,
Overvoltage protection, under-voltage protection and/or overcurrent protection.
6. the external Big Dipper on-vehicle Bluetooth retransmission unit according to claim 3 or 4,
Characterized in that, the scope of the voltage of the power protecting circuit output is 9V~32V, it is described
Nominal voltage is 18.4V.
7. the external Big Dipper on-vehicle Bluetooth retransmission unit according to claim 3 or 4,
Characterized in that, the lithium battery that it is 14.8V that the battery, which is nominal voltage,.
8. the external Big Dipper on-vehicle Bluetooth retransmission unit according to claim 3 or 4,
Characterized in that, first power-switching circuit and second source change-over circuit are by rising
Voltage dropping power supply chip carries out voltage conversion.
9. the external Big Dipper on-vehicle Bluetooth retransmission unit according to claim 3 or 4,
Characterized in that, also including：
Battery power detection circuit and indicator lamp；Wherein,
The battery power detection circuit connects the battery, the electricity for detecting the battery
Amount,
The single-chip microcomputer connects the battery power detection circuit and indicator lamp, for obtaining
The electricity for the battery that battery power detection circuit detection is obtained is stated, according to the battery
Electricity controls the indicator lamp to enter line flicker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009468.6A CN106953655A (en) | 2016-01-06 | 2016-01-06 | External Big Dipper on-vehicle Bluetooth retransmission unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009468.6A CN106953655A (en) | 2016-01-06 | 2016-01-06 | External Big Dipper on-vehicle Bluetooth retransmission unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106953655A true CN106953655A (en) | 2017-07-14 |
Family
ID=59465278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610009468.6A Pending CN106953655A (en) | 2016-01-06 | 2016-01-06 | External Big Dipper on-vehicle Bluetooth retransmission unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN106953655A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201477207U (en) * | 2009-05-25 | 2010-05-19 | 泉州豪杰信息科技发展有限公司 | GPS positioning terminal system |
| US20110053523A1 (en) * | 2009-07-09 | 2011-03-03 | Mediatek Inc. | Systems and Methods for Coexistence of a Plurality of Wireless Communications Modules |
| CN103971419A (en) * | 2013-01-31 | 2014-08-06 | 上海飞田通信技术有限公司 | Taxi fare payment system and vehicle-mounted terminal |
| CN104916099A (en) * | 2014-03-12 | 2015-09-16 | 深圳市赛格导航科技股份有限公司 | System and method for maintaining vehicle health |
-
2016
- 2016-01-06 CN CN201610009468.6A patent/CN106953655A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201477207U (en) * | 2009-05-25 | 2010-05-19 | 泉州豪杰信息科技发展有限公司 | GPS positioning terminal system |
| US20110053523A1 (en) * | 2009-07-09 | 2011-03-03 | Mediatek Inc. | Systems and Methods for Coexistence of a Plurality of Wireless Communications Modules |
| CN103971419A (en) * | 2013-01-31 | 2014-08-06 | 上海飞田通信技术有限公司 | Taxi fare payment system and vehicle-mounted terminal |
| CN104916099A (en) * | 2014-03-12 | 2015-09-16 | 深圳市赛格导航科技股份有限公司 | System and method for maintaining vehicle health |
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Application publication date: 20170714 |
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| RJ01 | Rejection of invention patent application after publication |