CN204316492U - A kind of In-vehicle networking communication equipment - Google Patents
A kind of In-vehicle networking communication equipment Download PDFInfo
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- CN204316492U CN204316492U CN201420725036.1U CN201420725036U CN204316492U CN 204316492 U CN204316492 U CN 204316492U CN 201420725036 U CN201420725036 U CN 201420725036U CN 204316492 U CN204316492 U CN 204316492U
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Abstract
The utility model relates to vehicle-carrying communication technology, be specifically related to a kind of In-vehicle networking communication equipment, comprise: forth generation mobile communication (4G) antenna, global positioning system (GPS)/4G module, microprocessing unit, Wireless Fidelity (Wifi) module, user identity identification (SIM) card module, electrically erasable read-only memory (EEPROM), Power Management Unit and battery; Wherein, battery, Power Management Unit are connected successively with microprocessing unit, and GPS/4G module is connected with 4G antenna, Wifi module, SIM card module and microprocessing unit respectively, and EEPROM is connected with microprocessing unit.In-vehicle networking communication equipment of the present utility model possesses Wifi focus and 4G function of surfing the Net, can connect 4G network, and 4G signal is shared with user in car by Wifi focus, has feature richness, flexible arrangement, advantage that integrated level is high.
Description
Technical field
The utility model relates to vehicle-carrying communication technology, is specifically related to a kind of In-vehicle networking communication equipment.
Background technology
In recent years, along with the fast development of China's automobile industry, demand and the recoverable amount of automobile increase year by year, the walking-replacing tool that automobile will be no longer people, and information of vehiclesization has become the general orientation of automotive technology development and next milestone.Meanwhile, development of Mobile Internet technology fast development, smart mobile phone is more and more universal, more and more be unable to do without mobile network in people's life.In this context, the automobile of intelligent information becomes a focus of automobile industry.While automobile is offered help to user as vehicles, also for user provides the function of increasing amusement and safety.
But, existing user vehicle may need one can receive and dispatch 4G(4th Generation mobile communication, forth generation mobile communication) signal and Wifi(Wireless Fidelity, Wireless Fidelity) signal, and realize the In-vehicle networking communication equipment of translation function between 4G signal and Wifi signal.
Utility model content
The technical problems to be solved in the utility model realizes the transmitting-receiving of 4G signal and Wifi signal and the conversion simultaneously carried out between 4G signal and Wifi signal.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of In-vehicle networking communication equipment, comprising: 4G antenna, GPS/4G module, microprocessing unit, Wifi module, SIM card module, EEPROM, Power Management Unit and battery; Wherein, battery, Power Management Unit are connected successively with microprocessing unit, and GPS/4G module is connected with 4G antenna, Wifi module, SIM card module and microprocessing unit respectively, and EEPROM is connected with microprocessing unit.
In preferred scheme, the model of GPS/4G module is ME909T, and the model of microprocessing unit is the model of LM4F232H5QC, Wifi module is CSR6000, the model of SIM card module is M2M, and the model of Power Management Unit is NJW4184DL1-33B or TPS54360DDAR.
In preferred scheme, described In-vehicle networking communication equipment also comprises: with the first jtag interface of GPS/4G model calling, USB interface and digital analog converter, the second jtag interface be connected with microprocessing unit and CAN transceiver, and 24 pin interface, wherein, microprocessing unit is connected with 24 pin interface by CAN transceiver, and GPS/4G module is connected by digital analog converter with 24 pin interface.
In preferred scheme, the model of CAN transceiver is TJA1043, and the model of digital analog converter is WM8725GED/RV, and the model of 24 pin interface is 1318853-2.
The utility model provides a kind of In-vehicle networking communication equipment possessing Wifi focus and 4G function of surfing the Net, In-vehicle networking communication equipment can connect 4G network, and 4G signal is shared with user in car by Wifi focus, there is feature richness, flexible arrangement, advantage that integrated level is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the In-vehicle networking communication equipment of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
With reference to the circuit theory of the In-vehicle networking communication equipment shown in Fig. 1, present embodiments provide a kind of In-vehicle networking communication equipment, comprising: 4G antenna, global positioning system (GPS)/4G module, microprocessing unit, Wifi module, user identity identification (SIM) card module, electrically erasable read-only memory (EEPROM), Power Management Unit and battery; Wherein, battery, Power Management Unit are connected successively with microprocessing unit, and GPS/4G module is connected with 4G antenna, Wifi module, SIM card module and microprocessing unit respectively, and EEPROM is connected with microprocessing unit.Can also comprise: with the first combined testing action group (JTAG) interface of GPS/4G model calling, USB interface and digital analog converter, the second jtag interface be connected with microprocessing unit and controller local area network (CAN) transceiver, and 24 pin interface, wherein, microprocessing unit is connected with 24 pin interface by CAN transceiver, and GPS/4G module is connected by digital analog converter with 24 pin interface.
Major function has been car Intranet (Wifi network) and the communicating of car networking (such as: the mobile networks such as 4G network), and complete the interior online of car, security protection (such as, the functions such as vehicle maintenance prompting, vehicle trouble prompting), the function such as information (such as, location and tracking function).In-vehicle networking communication equipment is as car connected network communication passage, communicated to connect by data center's (cloud platform) of built-in SIM card and operator, predefined car Intranet information is sent to the data center of operator by mobile network, receives the remote control signal coming from mobile network and feedback information etc. simultaneously.In-vehicle networking communication equipment can intercom mutually with original car body control module (BCM) in car, the information that the car-mounted terminal that reception is connected with BCM sends, comprise vehicle essential information, car status information, vehicle trouble messages etc., sent to by the remote control signal coming from mobile network BCM and corresponding car-mounted terminal to control to realize vehicle remote simultaneously.Be built-in with Wifi module, hand-held or mobile product can carry out the connection of 4G network by Wifi network, realizes the function of online amusement in car.
Preferably, the model of GPS/4G module is ME909T, and the model of microprocessing unit is the model of LM4F232H5QC, Wifi module is CSR6000, and the model of SIM card module is M2M, and the model of Power Management Unit is NJW4184DL1-33B or TPS54360DDAR; The model of CAN transceiver is TJA1043, and the model of digital analog converter is WM8725GED/RV, and the model of 24 pin interface is 1318853-2.
The function of the In-vehicle networking communication equipment of the present embodiment is described in detail as follows:
1) vehicle maintenance prompting function, comprises execution following steps:
Step 101: In-vehicle networking communication equipment obtains the enforcement mileage information for maintaining prompting by CAN;
Step 102: carry out Authority Verification between In-vehicle networking communication equipment and data center;
Step 103: if Authority Verification success, then enforcement mileage information is uploaded to data center;
Step 104: data center preserves exercises mileage information;
Step 105: data center sends prompting message, specifically comprises: the user according to exercising described in mileage information and data center purchases phase vehicle day, calculates user's vehicle the need of maintenance, as needs then send maintenance prompting message to In-vehicle networking communication equipment.
2) vehicle trouble prompting function, comprises execution following steps:
Step 201: obtain vehicle trouble messages by CAN, i.e. diagnostic trouble code;
Step 202: In-vehicle networking communication equipment and data center carry out Authority Verification;
Step 203: if Authority Verification success, then vehicle trouble messages is uploaded to data center;
Step 204: data center preserves vehicle trouble messages;
Step 205: fault prompting message is sent to In-vehicle networking communication equipment by data center, fault prompting message comprises: troubleshooting scheme, distance travelled and travel-time information, and fault prompting message is transmitted to the mobile terminal of user by In-vehicle networking communication equipment;
Step 205: fault after namely In-vehicle networking communication equipment gets fault cancellation information from data center, is transmitted to the mobile terminal of user after cancelling.
3) air bag trigger alarm function, comprises execution following steps:
Step 301: In-vehicle networking communication equipment receives air bag from CAN bus and to be triggered information;
Step 302: In-vehicle networking communication equipment and data center carry out Authority Verification;
Step 303: if Authority Verification success, then following information is uploaded to data center: speed information, travel direction, vehicle longitude, vehicle latitude, by the quantity of safety belt buckled;
Step 304: data center preserves the information that step 303 sends;
Step 305: data center notifies relatives or the related personnel of user by modes such as notes, so that in time to occurring that the vehicle of accident processes.
4) location and tracking, i.e. stolen tracking function, comprises execution following steps:
Step 401: In-vehicle networking communication equipment receives vehicle position information by CAN;
Step 402: In-vehicle networking communication equipment and data center carry out Authority Verification;
Step 403: if Authority Verification success, then vehicle position information is uploaded to data center;
Step 404: data center receives and preserves vehicle position information;
Customer center can receive a vehicle position information every 2s, and registration of vehicle driving trace, facilitates car tracing.
5) remote control function, comprises execution following steps:
Step 501: user sends vehicle control signal by mobile phone application to data center;
Step 502: vehicle control signal is transmitted to In-vehicle networking communication equipment by data center;
Step 503: In-vehicle networking communication equipment wakes CAN up and then vehicle control signal transcoding is wagon control instruction and sends to CAN,
Car-mounted terminal in step 504:CAN bus performs corresponding operating according to wagon control instruction, and vehicle control signal is used to indicate following operation: long-range car locking/unblocks, long-rangely to blow a whistle, long-rangely to turn on light, remote opening air-conditioning, remote opening seat heating, remote activation engine, remote engine start and limit.
6) detect vehicle condition function in real time, comprise execution following steps:
Step 601: user sends vehicle condition information request signal by mobile phone application to data center;
Step 602: vehicle condition information request signal is transmitted to In-vehicle networking communication equipment by data center;
Step 603: In-vehicle networking communication equipment wakes CAN up, then inquires about to CAN and obtains relevant information;
Step 604: the relevant information got is transmitted to data center by In-vehicle networking communication equipment, then be transmitted to the mobile phone of user by data center.
7) Wifi function: Wifi focus function supported by In-vehicle networking communication equipment, user can access with mobile device the Wifi network that Wifi focus provides.More than Wifi bandwidth 150M, agreement: IEEE 802.11g, IEEE 802.11b, IEEE 802.11N.
Electrical principle and the hardware configuration of In-vehicle networking communication equipment are as follows:
1) electrical principle introduction: adopt Linux/ RTOS(real time operating system) dual operating systems.RTOS system is based on Texas Instrument LM4F232H5QC chip, and as the core of In-vehicle networking communication equipment, the function such as power supply, communication, storage of administration module, has the advantages that response is quick, stable, and adapt to vehicle environment; Linux system is mounted in the ME909T chip of Huawei and ME909T chip carries on SOC (system on a chip) (SOC), supports the connection of 4G communication and Wifi module, can also be communicated by USB port with vehicle mounted multimedia main frame.
In-vehicle networking communication equipment can realize being connected with the network of vehicle mounted multimedia main frame on the one hand; In car, add Wifi focus function on the other hand, realize the Wifi function of surfing the Net of portable electric appts.Through experiment test, the network connection speed based on this In-vehicle networking communication equipment reaches as high as 72M, achieves high-speed mobile network and connects, fully meet the demand of user to mobile network.
2) hardware configuration introduction: LM4F232H5QC chip is integrated, the high performance chip of a height that Texas Instrument produces.This chip adopts ARM Cortex-M4F kernel, 80-MHz, 100DMIPS high arithmetic speed; The monocyclic flash memory of 256KB, comprise the interface of the agreements such as UART, SSI, I2C, CAN, USB, support WatchDog Timer, DMA(direct memory access), general I/O(input and output) interface, the slim quad flat of LQFP(at 100PIN angle) packaging technology, adapt to the operating temperature of-40 degree to 85 degree.
ME909T is a chip being suitable for the support 4G network of vehicle environment of Huawei's development & production, outside upper core SOC, In-vehicle networking communication equipment is also equipped with two groups of high-speed CAN passages, EEPROM(electricallyerasable ROM (EEROM)) storage, Wifi module (band built-in aerial), welded type SIM card (CHINAUNICOM), DA(digital-to-analogue) modular converter; Interface aspect is equipped with the main interface of 4G antennal interface, gps antenna interface, a USB interface and a 24PIN.Based on above hardware, the major function of car-mounted terminal module is all accomplished.
By finding out above, In-vehicle networking communication equipment adopts Linux/ RTOS dual operating systems, and RTOS system toggle speed is fast, it is rapid, low in energy consumption to respond, and meets the demand of safety protection function; Linux system aboundresources, configurable USB interface and Wifi module, meet amusement communication demand; Realize 4G mobile network by built-in SIM card to connect, achieve vehicle maintenance prompting, vehicle trouble is reminded, vehicle location and tracking, air bag trigger alarm, remote control function, the functions such as real-time detection vehicle condition, for user provides safety assurance and convenience in vehicle use procedure.In-vehicle networking communication equipment volume is little, lightweight, can set installation site according to arrangement, is arranged in chair framework lower surface, or in middle passage etc.
According to car load factory different automobile types, different configuration needs, online and function of safety protection in car can be realized.Realize the intellectuality of vehicle, informationization, the auxiliary driving of following easily extensible, the even unmanned function of intelligent driving, will be applied widely in the automobile development in future.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (4)
1. an In-vehicle networking communication equipment, is characterized in that, comprising: 4G antenna, GPS/4G module, microprocessing unit, Wifi module, SIM card module, EEPROM, Power Management Unit and battery; Wherein, battery, Power Management Unit are connected successively with microprocessing unit, and GPS/4G module is connected with 4G antenna, Wifi module, SIM card module and microprocessing unit respectively, and EEPROM is connected with microprocessing unit.
2. In-vehicle networking communication equipment according to claim 1, it is characterized in that, the model of GPS/4G module is ME909T, the model of microprocessing unit is LM4F232H5QC, the model of Wifi module is CSR6000, the model of SIM card module is M2M, and the model of Power Management Unit is NJW4184DL1-33B or TPS54360DDAR.
3. In-vehicle networking communication equipment according to claim 1, it is characterized in that, also comprise: with the first jtag interface of GPS/4G model calling, USB interface and digital analog converter, the second jtag interface be connected with microprocessing unit and CAN transceiver, and 24 pin interface, wherein, microprocessing unit is connected with 24 pin interface by CAN transceiver, and GPS/4G module is connected by digital analog converter with 24 pin interface.
4. In-vehicle networking communication equipment according to claim 3, is characterized in that, the model of CAN transceiver is TJA1043, and the model of digital analog converter is WM8725GED/RV, and the model of 24 pin interface is 1318853-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725036.1U CN204316492U (en) | 2014-11-27 | 2014-11-27 | A kind of In-vehicle networking communication equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420725036.1U CN204316492U (en) | 2014-11-27 | 2014-11-27 | A kind of In-vehicle networking communication equipment |
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| CN204316492U true CN204316492U (en) | 2015-05-06 |
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| CN201420725036.1U Expired - Fee Related CN204316492U (en) | 2014-11-27 | 2014-11-27 | A kind of In-vehicle networking communication equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506207A (en) * | 2014-11-27 | 2015-04-08 | 华晨汽车集团控股有限公司 | Vehicle-mounted network communication device |
| CN105611653A (en) * | 2015-12-28 | 2016-05-25 | 国家电网公司 | Vehicle terminal and communication method thereof |
-
2014
- 2014-11-27 CN CN201420725036.1U patent/CN204316492U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506207A (en) * | 2014-11-27 | 2015-04-08 | 华晨汽车集团控股有限公司 | Vehicle-mounted network communication device |
| CN105611653A (en) * | 2015-12-28 | 2016-05-25 | 国家电网公司 | Vehicle terminal and communication method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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| 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: 20150506 Termination date: 20211127 |