CN205149727U - Automobile -used CAN and bluetooth conversion and collision monitoring devices - Google Patents
Automobile -used CAN and bluetooth conversion and collision monitoring devices Download PDFInfo
- Publication number
- CN205149727U CN205149727U CN201520507391.6U CN201520507391U CN205149727U CN 205149727 U CN205149727 U CN 205149727U CN 201520507391 U CN201520507391 U CN 201520507391U CN 205149727 U CN205149727 U CN 205149727U
- Authority
- CN
- China
- Prior art keywords
- bluetooth
- module
- main processor
- automobile
- serial ports
- 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.)
- Expired - Fee Related
Links
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model provides an automobile -used CAN and bluetooth conversion and collision monitoring devices, its collision switch module is when bumping, information transfer will be collided and main processor module will be given, the CAN signal of the vehicle interior that other treaters transmission of CAN conversion module receipt vehicle were come, and main processor module is given in the transmission after carrying out the CAN signal of vehicle interior the signal conversion of physical layer, main processor module draws required CAN information, and change bluetooth module with collision information transmission for the serial ports with CAN information, the serial ports changes bluetooth module and sends CAN information and collision information for bluetooth equipments such as outside cell -phones through the mode of bluetooth. This automobile -used CAN and bluetooth conversion and collision monitoring devices gives the cell -phone with the CAN message routing of vehicle, when sending the upon impact, accessible time breaks off the crash sensor in its device to the built -in APP of mobile communication such as activation cell -phone dial the emergency rescue phone automatically.
Description
Technical field
The utility model relates to car-mounted device technical field, particularly relates to a kind of automobile-used CAN and bluetooth is changed and collides monitoring device.
Background technology
Because smart mobile phone is universal, for people provide acquisition information of vehicles and the platform to information processing, but seldom there is mobile phone can directly and vehicle communication on the market.Some high-end vehicle is with E-CALL now, both emergency rescuing systems, but for common vehicle, because the system price of itself is higher, does not substantially configure.In Chinese patent CN102427378, mention the equipment and acceleration pick-up that utilize bluetooth, its bluetooth equipment information and acceleration parameter are transferred to data transfer server.When two or more mobile terminal collides, just coupling can be set up.But when only have a car to collide or the collision of two cars only have wherein car integrated this to device, data transfer server just cannot mate.Secondly, data transfer server will be sent data to after colliding.And do not mention further step.
In Chinese patent CN103546367, mention a kind of Vehicular information system, this system integration treater, memory device, audio chip module, 3G communication module and telltale, collision monitoring modular, CAN transceiver, GPS locating module and CAN turn bluetooth module.But GPS locating module, 3G communication module and telltale, audio chip module, memory device is on this system integrated, its cost can be increased undoubtedly, and current smart mobile phone is substantially all integrated with these above modules.
We have invented a kind of new automobile-used CAN and bluetooth is changed and collides monitoring device for this reason, solve above technical matters.
Utility model content
The purpose of this utility model is to provide a kind of so that the CAN information of vehicle is sent to mobile phone, and can carry out collide monitoring automobile-used CAN and bluetooth change and collide monitoring device.
The purpose of this utility model realizes by following technical measures: automobile-used CAN and bluetooth are changed and collided monitoring device, described automobile-used CAN and bluetooth are changed and are collided monitoring device and comprise impact switch module, main processor modules, serial ports turns bluetooth module and CAN modular converter, described impact switch model calling is in described main processor modules, and when colliding, send collision information to described main processor modules, one end of described CAN modular converter is connected to described main processor modules, the other end is connected to other treaters of vehicle, described CAN modular converter receives the CAN signal of the vehicle interior that other treaters of vehicle transmit, and be transferred to described main processor modules after the CAN signal of vehicle interior being carried out the signal conversion of Physical layer, CAN information needed for described main processor modules extraction, and CAN information and collision information are transferred to described serial ports turn bluetooth module, described serial ports turns bluetooth module and is connected to described main processor modules, and CAN information and collision information are sent to this kind of bluetooth equipment of outside mobile phone by the mode of bluetooth.
The purpose of this utility model also realizes by following technical measures:
Described serial ports turns bluetooth module and also receives the data that this kind of bluetooth equipment of outside mobile phone sent by the mode of bluetooth, and described serial ports turns bluetooth module and again data sent to described main processing block by the mode of serial ports.
Described serial ports turns bluetooth module and also receives the data that this kind of bluetooth equipment of outside mobile phone sent by the mode of bluetooth, and described serial ports turns bluetooth module and again data sent to described main processor modules by the mode of serial ports.
CAN information comprises the speed of a motor vehicle, engine temperature, these data of battery tension.
Described serial ports turns bluetooth module and adopts HC-06 wireless module.
Described main processor modules adopts the MC9S12G48 chip of 48 pin of Freescale.
Described CAN modular converter adopts TJA1050 chip.
Described impact switch module adopts universal collision sensor.
Described automobile-used CAN and bluetooth are changed and are collided monitoring device and also comprise power module, described power module is connected to described impact switch module, described main processor modules, described serial ports turns the priming supply of bluetooth module and Che Nei, powers for described impact switch module, described main processor modules and described serial ports turn bluetooth module.
Priming supply in the car of 12V is converted to 5V voltage and is supplied to described impact switch module and described main processor modules by described power module, and priming supply in the car of 12V is converted to 3.3V voltage and is supplied to described serial ports and turns bluetooth module.
Described power module adopts Lm7805 and LM7833 switch chip.
Automobile-used CAN in the utility model and bluetooth are changed and are collided monitoring device, the CAN information of vehicle can be sent to mobile phone, or mobile phone send to the respective processor of CAN on vehicle when vehicle does not send collision.The volume of this device own is little, can be arranged in the periphery of chaufeur, when sending collision, can disconnect the crash sensor in its device in time, the built-in APP of mobile communication such as to Activate Phone, automatically dials emergency relief telephone.
Accompanying drawing explanation
Fig. 1 is the constructional drawing that a specific embodiment of monitoring device was changed and collided to automobile-used CAN of the present utility model and bluetooth;
Fig. 2 is the circuit diagram of main processor modules in a specific embodiment of the present utility model;
Fig. 3 is the circuit diagram of power module in a specific embodiment of the present utility model;
Fig. 4 is the circuit diagram of CAN modular converter in a specific embodiment of the present utility model;
Fig. 5 is the circuit diagram that in a specific embodiment of the present utility model, serial ports turns bluetooth module;
Fig. 6 is the circuit diagram of impact switch module in a specific embodiment of the present utility model.
Detailed description of the invention
For making above and other object of the present utility model, feature and advantage can become apparent, cited below particularly go out preferred embodiment, and coordinate institute's accompanying drawings, be described in detail below.
As shown in Figure 1, Fig. 1 is that automobile-used CAN of the present utility model and bluetooth are changed and collide the constructional drawing of monitoring device.This automobile-used CAN and bluetooth are changed and are collided monitoring device and turned bluetooth module 3, power module 4 and CAN modular converter 5 formed by impact switch module 1, main processor modules 2, serial ports.
Serial ports turns bluetooth module 3 one end and is connected to main processor modules 2, and the other end is connected to the bluetooth equipments such as mobile phone 31.Serial ports turns the signal that main processor modules 2 receives by bluetooth module 3 and sends to the bluetooth equipments such as mobile phone 31 by the mode of bluetooth.Or the bluetooth equipment 31 such as mobile phone sends data to serial ports by the mode of bluetooth and turns bluetooth module 3, serial ports turns bluetooth module 3 and again its data is sent to main processor modules 2 by the mode of serial ports.Serial ports turns the information of CAN on bluetooth module 3 transmission vehicle, as data such as the speed of a motor vehicle, engine temperature, battery tensions, when colliding, collision information is sent to the bluetooth equipments such as mobile phone 31 by the mode of bluetooth.
In one embodiment, as shown in Figure 5, Fig. 5 is the circuit diagram that in a specific embodiment of the present utility model, serial ports turns bluetooth module.Serial ports turns bluetooth module 3 for HC-06 wireless module: compact is about the effective transmission range of 3.57cm*1.52cm: field active distance 10 meters, voltage 3.3V, adopt peripheral circuit shown in Fig. 5, carry out full duplex serial communication by the micro controller system of voltage transitions and 5V, baud rate is set by AT instruction.Built-in 8MFLASH, RF antenna.The domestic a lot of producer of this module all can buy.
The CAN signal of main processor modules 2 Real-Time Monitoring vehicle interior, and send to bluetooth to turn serial port module 3 by the mode of serial communication the information of needs.Need detect signal, can select according to client, as CAN there being the signals such as the speed of a motor vehicle, Engine Coolant Temperature signal, battery tension, and if client only needs battery tension, just only can extract battery tension.The bluetooth equipments such as mobile phone 31 are sent to by the mode of bluetooth.Serial ports turn bluetooth module 3 by signal by the mode of serial communication to main processor modules 2, signal is sent to other processor modules on vehicle by the mode of CAN by main processor modules 2 again.
In one embodiment, as shown in Figure 2, Fig. 2 is the circuit diagram of main processor modules in a specific embodiment of the present utility model.The treater that this device adopts is the MC9S12G48 chip of 48 pin of Freescale, and its small volume is 9*9mm, voltage support 3.13V-5.5V.Reach 16 processing capacities.Have a road CAN module.
One end of CAN modular converter 5 is connected to main processor modules 2, the other end is connected to other treaters 23 of vehicle, CAN modular converter 5 receives the CAN signal of the vehicle interior that other treaters 23 of vehicle transmit, and change for the signal of CAN signal Physical layer, because what main processor modules 2 identified is the voltage of 5V and 0V, and on car in CAN, a road CAN is low is the voltage of 1.5V and 2.5V, another road CAN height is the voltage of 2.5V and 3.5V, needs its conversion of level.
In one embodiment, as shown in Figure 4, Fig. 4 is the circuit diagram of CAN modular converter in a specific embodiment of the present utility model.The CAN modular converter that this device adopts: TJA1050 is controller area network (CAN) interface between protocol controller and physical bus, is a kind of high-speed CAN transceiver of standard.TJA1050 can provide differential sending performance for bus, for CAN controller provides differential receptivity.By TXCAN and RXCAN of primary processor, its 0-5V level signal is converted to the CAN level signal that can identify in vehicle.
Impact switch module 1 is connected to main processor modules 2, and when colliding, collision information is sent to main processor modules 2.In one embodiment, when not sending collision, the voltage that its main processor modules 2 respective foot position detects is 5V, but after colliding, its impact switch module 1 disconnects, the voltage that primary processor respective foot position detects is 0V, after main processor modules 2 detects 0V voltage, think and send collision, serial ports is sent to turn bluetooth module 3 by the mode of serial ports collision information, serial ports turns bluetooth module 3 and again collision information is sent to the bluetooth equipments such as mobile phone 31 by the mode of bluetooth, its rescue of the mobile terminal activating of the bluetooth equipments such as mobile phone 31 APP software, making rescue call, the bluetooth equipments 31 such as its mobile phone are carried GPS information etc. and send to rescue end.
In one embodiment, as shown in Figure 6, Fig. 6 is the circuit diagram of impact switch module in a specific embodiment of the present utility model.Impact switch module 1 adopts universal collision sensor.Small size, at a high speed, anti-vibration and various interference, nonpolarity 2 pin encapsulation, Width funtion, the long life, install arbitrarily, passive switch amount exports, zero-power in response.Quality is remarkable, and cost performance is excellent.Because g value susceptibility assists sensor 5 ~ 6 times higher than substitute, and omnidirectional monitors without dead angle without blind spot, and therefore, accident correct recognition rata is more than 95%.
Power module 4 one is connected to impact switch module 1, main processor modules 3, and priming supply in the car of 12V is converted to 5V by power module 4., and it two is connected to serial ports and turns bluetooth module 3 and provide 3.3V voltage for it, and this module provides power supply for this device.
In one embodiment, as shown in Figure 3, Fig. 3 is the circuit diagram of power module in a specific embodiment of the present utility model.The power module that this device adopts is Lm7805 and LM7833 switch chip, and wherein Lm7805 is maximum can export 1A electric current, and output voltage is at 5V, and variation range, at 4.8V-5.2V, has thermal overload protection, short circuit current limitation function.For the TJA1050 of main MCU and nxp, impact switch module provide power supply.LM7833 is maximum can export 1A electric current, output voltage 3.3V, and variation range has thermal overload protection, short circuit current limitation function at 3.1V-3.4V.Voltage is provided for serial ports turns bluetooth module 3.
Automobile-used CAN in the utility model and bluetooth are changed and are collided monitoring device, the CAN signal of vehicle can be sent to the bluetooth equipments such as mobile phone, for it provides the information of vehicle.And inner integrated impact switch, when et out of order, by the connection of the bluetooth equipments such as prior and mobile phone, utilize the direct making rescue call of APP program of the device interiors such as mobile phone, ensure the timely rescue of occupant.
Claims (9)
1. automobile-used CAN and bluetooth are changed and are collided monitoring device, it is characterized in that, described automobile-used CAN and bluetooth are changed and are collided monitoring device and comprise impact switch module, main processor modules, serial ports turns bluetooth module, with CAN modular converter, described impact switch model calling is in described main processor modules, and when colliding, send collision information to described main processor modules, one end of described CAN modular converter is connected to described main processor modules, the other end is connected to other treaters of vehicle, described CAN modular converter receives the CAN signal of the vehicle interior that other treaters of vehicle transmit, and be transferred to described main processor modules after the CAN signal of vehicle interior being carried out the signal conversion of Physical layer, CAN information needed for described main processor modules extraction, and CAN information and collision information are transferred to described serial ports turn bluetooth module, described serial ports turns bluetooth module and is connected to described main processor modules, and CAN information and collision information are sent to this kind of bluetooth equipment of outside mobile phone by the mode of bluetooth.
2. automobile-used CAN according to claim 1 and bluetooth are changed and are collided monitoring device, it is characterized in that, described serial ports turns bluetooth module and also receives the data that this kind of bluetooth equipment of outside mobile phone sent by the mode of bluetooth, and described serial ports turns bluetooth module and again data sent to described main processor modules by the mode of serial ports.
3. automobile-used CAN according to claim 1 and bluetooth are changed and are collided monitoring device, it is characterized in that, described serial ports turns bluetooth module and adopts HC-06 wireless module.
4. automobile-used CAN according to claim 1 and bluetooth are changed and are collided monitoring device, it is characterized in that, described impact switch module adopts universal collision sensor.
5. automobile-used CAN according to claim 2 and bluetooth are changed and are collided monitoring device, it is characterized in that, described impact switch module adopts universal collision sensor.
6. the automobile-used CAN according to any one of claim 1-5 and bluetooth are changed and are collided monitoring device, it is characterized in that, described automobile-used CAN and bluetooth are changed and are collided monitoring device and also comprise power module, described power module is connected to described impact switch module, described main processor modules, described serial ports turns the priming supply of bluetooth module and Che Nei, powers for described impact switch module, described main processor modules and described serial ports turn bluetooth module.
7. automobile-used CAN according to claim 6 and bluetooth are changed and are collided monitoring device, it is characterized in that, priming supply in the car of 12V is converted to 5V voltage and is supplied to described impact switch module and described main processor modules by described power module, and priming supply in the car of 12V is converted to 3.3V voltage and is supplied to described serial ports and turns bluetooth module.
8. the automobile-used CAN according to any one of claim 1-5 and bluetooth are changed and are collided monitoring device, it is characterized in that at least meeting one of following condition: described main processor modules adopts the MC9S12G48 chip of 48 pin of Freescale; Described CAN modular converter adopts TJA1050 chip.
9. automobile-used CAN according to claim 6 and bluetooth are changed and are collided monitoring device, it is characterized in that, described power module adopts Lm7805 and LM7833 switch chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507391.6U CN205149727U (en) | 2015-07-14 | 2015-07-14 | Automobile -used CAN and bluetooth conversion and collision monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507391.6U CN205149727U (en) | 2015-07-14 | 2015-07-14 | Automobile -used CAN and bluetooth conversion and collision monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205149727U true CN205149727U (en) | 2016-04-13 |
Family
ID=55685451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520507391.6U Expired - Fee Related CN205149727U (en) | 2015-07-14 | 2015-07-14 | Automobile -used CAN and bluetooth conversion and collision monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205149727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112256614A (en) * | 2020-09-30 | 2021-01-22 | 华为技术有限公司 | Communication method and device |
-
2015
- 2015-07-14 CN CN201520507391.6U patent/CN205149727U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112256614A (en) * | 2020-09-30 | 2021-01-22 | 华为技术有限公司 | Communication method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104331003B (en) | A kind of system and method for remote monitoring Vehicle peripheral condition | |
| US11812354B2 (en) | Emergency call based on vehicle-to-vehicle communication | |
| CN103632492A (en) | Vehicle-borne emergency call-for-help system and call-for-help method thereof | |
| CN205149727U (en) | Automobile -used CAN and bluetooth conversion and collision monitoring devices | |
| CN203580880U (en) | Automobile anti-theft device and automobile anti-theft system | |
| CN207706264U (en) | A kind of vehicle mounted call equipment | |
| CN202896514U (en) | Vehicle alarm system based on wireless communication network | |
| CN206921302U (en) | Vehicle service supplying system | |
| CN203386324U (en) | A vehicle-mounted emergency help-calling system | |
| CN203752996U (en) | Taxi empty-car and loaded-car pause signal transmitting device | |
| CN202855044U (en) | Vehicle traffic accident automatic alarm system | |
| CN203093993U (en) | Text message antitheft device for automobiles | |
| CN204633811U (en) | A kind of vehicle carried mobile phone control system and use the automobile of this system | |
| CN106143410A (en) | Vehicular intelligent protected network monitoring system and method | |
| CN201646648U (en) | Anti-theft alarm and anti-theft alarm network system | |
| CN102452429A (en) | Electric vehicle warning device | |
| CN201203429Y (en) | Vehicle mounted positioning terminal | |
| CN205004036U (en) | Intelligence vehicular DVD navigation | |
| CN108382136A (en) | Turn the car networking system of WiFi based on TPMS and 4G | |
| CN202795016U (en) | Vehicular central control device | |
| CN203093878U (en) | Traffic collision alarm system | |
| CN207579736U (en) | A kind of anti-omission device of automobile | |
| CN103647691A (en) | Distraction prevention driving system based on wireless communication technology | |
| CN105216717A (en) | The CAN communication circuit of vehicle remote controller | |
| CN205524066U (en) | Car bus control exchange system |
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: 20160413 Termination date: 20160714 |