CN207266010U - A kind of vehicle-mounted T BOX of built-in aerial - Google Patents
A kind of vehicle-mounted T BOX of built-in aerial Download PDFInfo
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- CN207266010U CN207266010U CN201721157965.7U CN201721157965U CN207266010U CN 207266010 U CN207266010 U CN 207266010U CN 201721157965 U CN201721157965 U CN 201721157965U CN 207266010 U CN207266010 U CN 207266010U
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Abstract
It the utility model is related to car networking technology field, the vehicle-mounted T BOX of especially a kind of built-in aerial, including housing and OBD male connectors, housing is built-in with circuit board, circuit board includes primary processor, power conversion module, CAN processors, mobile communication module and locating module, mobile communication module connects GSM antenna, locating module connection positioning antenna, power conversion module supplies primary processor after vehicle power supply is depressured, mobile communication module, CAN processors and locating module, the mobile communication module and locating module are connected by Serial Port Line with primary processor, the primary processor is sent to automobile CAN signal and location information on server by the mobile communication module after subpackage is handled.The utility model line construction is simple and reliable, and antenna part is arranged in plastic casing, and signal will not be shielded be subject to aluminum hull part, and of low cost, compact structure, and easy to carry and installation, has good market application value.
Description
Technical field
It the utility model is related to car networking technology field, more particularly to a kind of vehicle-carrying communication box of built-in aerial
(Telematics-Box, abbreviation T-BOX).
Background technology
With the continuous development of information technology, the intelligence degree of automobile is higher and higher, the T-BOX in car networking meet the tendency of and
It is raw.Wherein T-BOX can realize to suitable position and logical with other for remotely starting vehicle, opening air-conditioning, adjustment seat
Believe the functions such as equipment communication.In the prior art, T-BOX is by the second generation (Second Generation, abbreviation 2G)/the
Three generations (ThirdGeneration, abbreviation 3G)/forth generation (Fourth Generation, abbreviation 4G) communication technology is set with communication
It is standby to communicate, however, when T-BOX is communicated using 2G/3G/4G at the same time, due to the signal of the generations such as automotive electronics, will cause
Communication Jamming, so as to reduce communication reliability.
Utility model content
The purpose of this utility model is to provide the vehicle-mounted T-BOX of built-in aerial, circuit is simple, reliable and stable, and structure is small
Ingeniously.
To achieve the above object, the utility model provides a kind of vehicle-mounted T-BOX of built-in aerial, including housing and OBD public affairs
Head, the housing are built-in with circuit board, and the circuit board is logical including primary processor, power conversion module, CAN processors, movement
Module and locating module are interrogated, the mobile communication module connects GSM antenna, the locating module connection positioning antenna, the OBD
In male connector insertion vehicle diagnosis interface female, vehicle power supply is inputted to the power conversion module, the power conversion module
Primary processor, mobile communication module, CAN processors and locating module, the input of automobile CAN signal are supplied after vehicle power supply is depressured
To the CAN processors, signal is inputted after modulation conversion to the primary processor, the mobile communication module and positioning mould
Block is connected by Serial Port Line with primary processor, and the primary processor is automobile CAN signal and location information after subpackage is handled
It is sent to by the mobile communication module on server.
Preferably, the housing is made of plastic housing and aluminum hull, the primary processor, power conversion module, CAN processing
Device, mobile communication module and locating module are arranged in aluminum hull, and the GSM antenna and positioning antenna are arranged on the plastic housing
In.
Preferably, the power conversion module includes 5V reduction voltage circuits, 4V reduction voltage circuits and 3.3V reduction voltage circuits.
Preferably, the 5V reduction voltage circuits mainly include AP3003S three terminal regulators, inductance L1 and Transient Suppression Diode
D2。
Preferably, 5V is exported and is reduced to 4V by being depressured chip SIP29302T5 by the 4V reduction voltage circuits, supplies the shifting
Dynamic communication module.
Preferably, 5V outputs are 3.3V by the decompression of BL8555 linear voltage regulators by the 3.3V reduction voltage circuits, are supplied respectively
To the primary processor, CAN processors and locating module.
Preferably, the primary processor selects STM32F205RG microcontrollers, and described microcontroller pin PA9, PA10 are as string
Mouthful it is connected with mobile communication module, pin PC10, PC10 is are connected with the locating module, at pin PB8, PB9 and the CAN
Manage device connection, pin PA1 with controlling the power switch of the mobile communication module to be connected in 4V reduction voltage circuits, pin PB7 and
The Enable Pin of BL8555 linear voltage regulators connects, and controls the power supply of the locating module.
Preferably, the mobile communication module uses GSM/GPRS communication modules M26, and the CAN processors use VP230
Chip, the locating module use GPS/ Big Dipper dual-mode chips H82-L.
The advantageous effects of the utility model：Line construction is simple and reliable, and antenna part is arranged in plastic casing, signal
It will not be shielded be subject to aluminum hull part, and of low cost, compact structure, easy to carry and installation, has the application of good market
Value.
Brief description of the drawings
Fig. 1 is the appearance assumption diagram of the vehicle-mounted T-BOX of the utility model built-in aerial；
Fig. 2 is the functional block diagram of circuit board；
Fig. 3 is the circuit diagram of 5V reduction voltage circuits；
Fig. 4 is the circuit diagram of 4V reduction voltage circuits；
Fig. 5 is the circuit diagram of 3.3V reduction voltage circuits；
Fig. 6 is the peripheral line graph of primary processor；
Fig. 7 is the peripheral line graph of mobile communication module；
Fig. 8 is the peripheral line graph of SIM card holder；
Fig. 9 is the peripheral line graph of CAN processors；
Figure 10 is the peripheral line graph of locating module.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of vehicle-mounted T-BOX of built-in aerial, including housing and OBD male connectors 1, shell
Circuit board is equipped with vivo, housing is made of plastic housing 3 and aluminum hull 2.As shown in Fig. 2, circuit board includes primary processor, power supply is changed
Module, CAN processors, mobile communication module and locating module, mobile communication module connection GSM antenna, locating module connection are fixed
Position antenna, wherein, primary processor, power conversion module, CAN processors, mobile communication module and locating module are arranged on aluminum hull 2
In, GSM antenna and positioning antenna are arranged in plastic housing 3.OBD male connectors 1 are inserted into vehicle diagnosis interface female, by vehicle-mounted 12V/
24V power inputs to power conversion module, power conversion module will supply primary processor, move after vehicle-mounted 12V/24V power voltage step downs
Dynamic communication module, CAN processors and locating module, automobile CAN signal are inputted to CAN processors, and signal is after modulation conversion
Input is connected to primary processor, mobile communication module and locating module by Serial Port Line with primary processor, and primary processor is automobile
CAN signal and location information are sent on server after subpackage is handled by mobile communication module.
Power conversion module includes 5V reduction voltage circuits, 4V reduction voltage circuits and 3.3V reduction voltage circuits.As shown in figure 3,5V is depressured
Circuit mainly includes AP3003S three terminal regulators, inductance L1 and Transient Suppression Diode D2, forms protection circuit, prevents automobile
Impact of the ignition point high pressure to whole circuit, is depressured automobile power source into 5V；As shown in figure 4,4V reduction voltage circuits export 5V
4V is reduced to by being depressured chip SIP29302T5, supplies mobile communication module；As shown in figure 5,3.3V reduction voltage circuits export 5V
It is 3.3V by the decompression of BL8555 linear voltage regulators, is supplied respectively to primary processor, CAN processors and locating module.
Primary processor selects STM32F205RG microcontrollers, its peripheral circuit is as shown in fig. 6, microcontroller pin PA9, PA10
It is connected as serial ports with mobile communication module, pin PC10, PC10 is are connected with locating module, pin PB8, PB9 and CAN processing
Device connects, and pin PA1 is with controlling the power switch of mobile communication module to be connected in 4V reduction voltage circuits, pin PB7 and BL8555 lines
The Enable Pin of property voltage-stablizer connects, and controls the power supply of locating module.
Mobile communication module uses GSM/GPRS communication module M26, its peripheral circuit connection figure is as shown in Figure 7.SIM card holder
It is connected with communication module M26, as shown in figure 8, the pin7 and pin8 of SIM card holder be as power switch, when SIM card is put into deck
When, 5V circuit turn-on module for power supply, when SIM card is taken away, the disconnection of pin7-pin8 feet, module for power supply disconnects.
CAN processors use VP230 chips, as shown in figure 9, access automobile CAN+and CAN- buses and 3.3V supply lines
Road, is connected on primary processor PB8, PB9 after signal conversion by pin1 and pin4.
Locating module uses GPS/ Big Dipper dual-mode chip H82-L, and as shown in Figure 10, locating module power supply can be by primary processor
Control, in addition stand-by power supply pin is separated using 3.3V and main power supply circuit, after this egf block is unplugged, in chip reservation
One-time positioning records, and can be repositioned within the shortest time.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. the vehicle-mounted T-BOX of a kind of built-in aerial, it is characterised in that including housing and OBD male connectors, the housing is built-in with circuit
Plate, the circuit board includes primary processor, power conversion module, CAN processors, mobile communication module and locating module, described
Mobile communication module connects GSM antenna, the locating module connection positioning antenna, and the OBD male connectors are inserted into vehicle diagnosis interface
In female, vehicle power supply is inputted to the power conversion module, the power conversion module and is supplied after vehicle power supply is depressured
Primary processor, mobile communication module, CAN processors and locating module, automobile CAN signal are inputted to the CAN processors, signal
Input to the primary processor, the mobile communication module and locating module passes through Serial Port Line and main process task after modulation conversion
Device connects, and automobile CAN signal and location information are passed through the mobile communication module by the primary processor after subpackage is handled
It is sent on server.
A kind of 2. vehicle-mounted T-BOX of built-in aerial according to claim 1, it is characterised in that：The housing is by plastic housing
Formed with aluminum hull, the primary processor, power conversion module, CAN processors, mobile communication module and locating module are arranged on aluminium
In shell, the GSM antenna and positioning antenna are arranged in the plastic housing.
A kind of 3. vehicle-mounted T-BOX of built-in aerial according to claim 1, it is characterised in that：The power conversion module
Including 5V reduction voltage circuits, 4V reduction voltage circuits and 3.3V reduction voltage circuits.
A kind of 4. vehicle-mounted T-BOX of built-in aerial according to claim 3, it is characterised in that：The 5V reduction voltage circuits master
To include AP3003S three terminal regulators, inductance L1 and Transient Suppression Diode D2.
A kind of 5. vehicle-mounted T-BOX of built-in aerial according to claim 3, it is characterised in that：The 4V reduction voltage circuits will
5V outputs are reduced to 4V by being depressured chip SIP29302T5, supply the mobile communication module.
A kind of 6. vehicle-mounted T-BOX of built-in aerial according to claim 3, it is characterised in that：The 3.3V reduction voltage circuits
It is 3.3V that 5V outputs are depressured by BL8555 linear voltage regulators, is supplied respectively to the primary processor, CAN processors and positioning mould
Block.
A kind of 7. vehicle-mounted T-BOX of built-in aerial according to claim 1, it is characterised in that：The primary processor is selected
STM32F205RG microcontrollers, described microcontroller pin PA9, PA10 are connected as serial ports with mobile communication module, pin PC10,
To be connected with the locating module, pin PB8, PB9 are connected PC10 with the CAN processors, in pin PA1 and 4V reduction voltage circuits
The power switch of the mobile communication module is controlled to connect, pin PB7 connects with the Enable Pin of BL8555 linear voltage regulators, control
The power supply of the locating module.
A kind of 8. vehicle-mounted T-BOX of built-in aerial according to claim 1, it is characterised in that：The mobile communication module
Using GSM/GPRS communication modules M26, the CAN processors use VP230 chips, and the locating module is double using the GPS/ Big Dippeves
Core rod piece H82-L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157965.7U CN207266010U (en) | 2017-09-11 | 2017-09-11 | A kind of vehicle-mounted T BOX of built-in aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157965.7U CN207266010U (en) | 2017-09-11 | 2017-09-11 | A kind of vehicle-mounted T BOX of built-in aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266010U true CN207266010U (en) | 2018-04-20 |
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ID=61920476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721157965.7U Active CN207266010U (en) | 2017-09-11 | 2017-09-11 | A kind of vehicle-mounted T BOX of built-in aerial |
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| CN (1) | CN207266010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203139A (en) * | 2019-06-18 | 2019-09-06 | 浙江科技学院 | A kind of electric car T-BOX system |
-
2017
- 2017-09-11 CN CN201721157965.7U patent/CN207266010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203139A (en) * | 2019-06-18 | 2019-09-06 | 浙江科技学院 | A kind of electric car T-BOX system |
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