TWI440266B - Information processing adapter for vehicle diagnostic system - Google Patents

Description

Information processing adapter for onboard diagnostic system

The invention relates to an information processing adapter for an onboard diagnostic system, in particular to an adapter for use in an onboard diagnostic system and capable of reading driving information.

The On-Board Diagnostic (OBD) system is installed in the vehicle and connected to the driving computer of the vehicle to obtain the execution status and setting data of the driving computer to determine whether the vehicle is faulty.

In general, the driver will connect a display device, such as a head-up display, through a plug-in connector in the on-board diagnostic system to capture and display driving information, as shown in the Patent No. M338779 of the Republic of China. The patent case discloses a display device on a car, and particularly relates to a head-up display device for obtaining information and power supply by connecting an OBD-II second-generation on-board computer diagnostic system socket, and decoding and converting, including an insertable OBD -II electronic integration of the second generation of on-board computer diagnostic system socket 16-turn four-port adapter plug, four-wire metal wire set, communication conversion unit system processor and control panel of head-up display function A smart head-up display device assembled by a host device, etc.; when the car starts to form an electrical connection, the power source and the signal can be obtained; when the communication conversion system device reads the relevant signal, the communication protocol signal is decoded. The input signal required for conversion to the display device is presented to the display device.

Although the above patent case can transfer the driving information to the display of the head-up display device through the adapter plug, the format of the driving information transmitted by the adapter plug is not in a format recognizable by the display device, and the driving information must pass through the communication inside the head-up display. The conversion unit system (ie, the CAN transceiver unit) reads and converts to a format recognizable by the display device to display driving information.

Therefore, the adapter plug can only be used with a specific electronic device, that is, an electronic device having the above-described communication conversion unit system, such as a head-up display, which limits the external device that the adapter plug can be used, and cannot be widely used in a mobile phone. , on computers, PDAs and other external devices.

The main object of the present invention is to improve the problem of limited use of the adapter of the on-board diagnostic system socket, so that the adapter can be used with various external devices.

To achieve the above object, the present invention provides an information processing adapter for an on-board diagnostic system, comprising an input connector interposed in the socket of the on-board diagnostic system, a circuit board connected to the input connector, and a connection a first output connector of the circuit board, wherein the circuit board is provided with a CAN transceiver and a micro controller, and the adapter obtains driving information of the vehicle through the input connector, and transmits the driving information to the micro controller through the CAN transceiver The interpretation is performed and the format is converted, and the converted driving information is transmitted to the external electronic device through the first output connector, which constitutes the main structure of the present invention.

In a specific embodiment of the present invention, the socket and the input connector are J1962 DLC specifications, and the first output connector is one of a USB, a Mini USB, and a Micro USB interface, and the first output connector can be connected to a transmission line. The transmission information is transmitted through the transmission line, or a wireless transmission device is connected to achieve the wireless transmission function; and the adapter further includes a housing for accommodating the circuit board, and the housing is provided with a connector for connecting the input connector An opening, and a second opening connected to the first output connector, the adapter further has a third opening for connecting a second output connector, the second output connector also being J1962 DLC specification.

10‧‧‧shell

11‧‧‧ first opening

12‧‧‧ second opening

13‧‧‧ third opening

14‧‧‧ vents

15‧‧‧Input connector

151‧‧‧Input pin

16‧‧‧First output connector

17‧‧‧Second output connector

171‧‧‧Output pin

20‧‧‧ boards

21‧‧‧CAN Transceiver

22‧‧‧Microcontroller

30‧‧‧ transmission line

31‧‧‧Wireless transmission

40‧‧‧Headed display

41‧‧‧Computer equipment

42‧‧‧Car keys

50‧‧‧ socket

Figure 1 is a schematic view of the appearance of the present invention.

Figure 2 is a schematic exploded view of the structure of the present invention.

3 is a block diagram of a circuit of the present invention.

4 is a schematic view of another embodiment of the present invention.

Figure 5 is a schematic view of still another embodiment of the present invention.

The detailed description and technical contents of the present invention will now be described with reference to the following drawings: Referring to FIG. 1 and FIG. 2, the present invention is an information processing adapter for a vehicle diagnostic system, which is connected thereto. The on-board diagnostic system captures driving information and, after reading the driving information, transfers the driving information to an external device, which may be the head-up display 40 shown in the figure. The adapter disclosed in the present invention has a housing 10, and the circuit board 20 houses a circuit board 20, and the circuit board 20 is electrically connected to an input connector 15, a first output connector 16, and a second device. The output connector 17 is used for plugging the socket 50 of the onboard diagnostic system to capture driving information. The input connector 15 and the socket 50 are J1962 DLC specifications, and the input connector 15 has a connection. 16 input pins 151 of the circuit board 20; the first output connector 16 is a USB, Mini USB or Micro USB standard, and is fixed on the circuit board 20; the second output connector 17 is also a J1962 DLC specification. And the circuit board 20 is connected by 16 output pins 171. The second output connector 17 can be used as an extension of the on-board diagnostic system socket 50. If an external device of the on-board diagnostic system specification is to be connected, such as a computer of a garage, the adapter cannot be removed directly. Connected to the second output connector 17 of the adapter. It can be seen that through the first output connector 16 and the second output connector 17 of the present case, the driving information can be transferred to the same or different device as the onboard diagnostic system.

The housing 10 of the adapter has a first opening 11, a second opening 12 and a third opening 13 for respectively connecting the input connector 15, the first output connector 16, and the second output connector. 17. The input connector 15 is fixed to the first opening 11. The first output connector 16 extends from the inside of the housing 10 to the second opening 12 and is exposed to the second opening 12, and the second The output connector 17 is fixed to the third opening 13 , and the second output connector 17 is not limited to the embodiment shown in the figure, and is perpendicular to the input connector 15 , and may also be connected to the input connector 15 is in parallel configuration. The housing 10 is provided with a plurality of heat dissipation holes 14 for reducing the high temperature generated by the circuit board 20 inside the adapter when the adapter is used.

Please refer to FIG. 3 , the circuit board 20 is provided with a transmission line connecting the input connector 15 and the second output connector 17 , so that the driving information captured by the input connector 15 is transmitted to the transmission route. a second output connector 17; and the circuit board 20 further includes a CAN (Controller Area Network) transceiver 21 electrically connected to the input connector 15, and a micro-electrical connection of the CAN transceiver 21 The controller 22, the CAN transceiver 21 obtains the driving information from the input connector 15 and recognizes the format thereof, and then transmits the data to the microcontroller 22 for interpretation and conversion format, and transmits the converted driving information to the first output. The connector 16 provides driving information to an external electronic device through the first output connector 16, such as the heads up display 40 disclosed in FIG. 1, for displaying vehicle speed, speed, water temperature, oil temperature, battery voltage, throttle opening, Fuel consumption...etc. In addition to being applicable to the heads-up display 40, the adapter disclosed in the present invention can be connected to a computer device 41 via a transmission line 30, such as a notebook computer, as shown in FIG. 4, and the aforementioned transmission line 30 is terminated at one end. To connect the Mini USB interface of the first output connector 16, and the other end is to connect the RS232 interface of the computer device 41, thereby transmitting the converted driving information to the computer device 41.

In addition, the adapter can also be used to output driving information through wireless transmission, and is applied to various fields. For example, the embodiment shown in FIG. 5 is connected to the first output connector 16 and connected to a wireless transmission device 31. For example, a Bluetooth transceiver, an infrared transceiver, etc., and the converted driving information is wirelessly transmitted to the car key 42. For example, when the vehicle is turned off, the driving information is transmitted to the car key 42 having the wireless transmitting and receiving function by wireless transmission. It can be used as an anti-theft password. When the driver wants to open the door or start the vehicle, the vehicle can sense whether the password of the car key 42 meets the driving information of the previous flameout, and decide whether to unlock or start, thereby achieving the anti-theft effect.

In addition, the wireless transmission device 31 can also be a mobile network card, which uses the mobile network card to transmit driving information to the Internet, and can be applied to the fleet management. The fleet control center can obtain information of each vehicle on the Internet, for example, for example. , knowing the location of the vehicle from the location of the vehicle And the driving route to improve the satellite positioning system's satellite signal is vulnerable to the problem of building shelter; in addition, it can fully grasp the real-time conditions of each vehicle, such as speed, tire pressure, oil quantity, etc., so that when the vehicle occurs In the event of an abnormality, the fleet control center can immediately alert the driver to ensure safe driving.

In summary, the present invention mainly provides a CAN transceiver 21 in the information processing adapter of the onboard diagnostic system, so that the adapter can obtain the driving information and then can identify or interpret and convert the driving information format. It can be transmitted to various external electronic devices, such as a head-up display 40, a computer, a mobile phone, etc. Therefore, the adapter does not need to be equipped with a specific display device, and the external electronic device does not need to have a specific information processing chip. Read, store or display the driving information transmitted by the adapter.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the equivalent variations and modifications of the scope of the present invention are intended to be within the technical scope of the present invention.

10‧‧‧shell

14‧‧‧ vents

15‧‧‧Input connector

17‧‧‧Second output connector

40‧‧‧Headed display

50‧‧‧ socket

Claims (9)

An information processing adapter for an onboard diagnostic system is inserted into a socket of the onboard diagnostic system to capture driving information of the onboard diagnostic system, comprising: a housing; an input connector disposed at the The housing is inserted into the socket of the onboard diagnostic system, and the onboard diagnostic system is connected to obtain the driving information; a circuit board is disposed in the housing, the input connector is connected, and an electrical connection is provided. a CAN transceiver of the input connector and a micro controller electrically connected to the CAN transceiver, the CAN transceiver obtains the driving information from the input connector and transmits the driving information to the microcontroller for interpretation and conversion; a first output connector, Different from the specification of the input connector, the housing is connected to the circuit board and electrically connected to the micro controller, and obtains driving information converted and outputted by the micro controller; a second output connector, and the The input connector has the same specification, is disposed on the housing and is electrically connected to the circuit board, and is electrically connected to the micro controller, and obtains driving information converted and outputted by the micro controller, wherein the input connector, the first output connector, The second output Heads are disposed in different three sides of the housing. The information processing adapter of the onboard diagnostic system of claim 1, wherein the socket and the input connector are J1962 DLC specifications. The information processing adapter of the onboard diagnostic system according to claim 1, wherein the first output connector is one of a USB, a Mini USB, and a Micro USB interface. An information processing adapter for an onboard diagnostic system according to claim 1 of the patent application, wherein The first output connector is connected to a transmission line for connecting to a computer device. The information processing adapter of the onboard diagnostic system of claim 1, wherein the first output connector is connected to a wireless transmission device for wirelessly transmitting the converted driving information. The information processing adapter of the onboard diagnostic system according to claim 5, wherein the wireless transmission device is one of a Bluetooth transceiver, an infrared transceiver, and a mobile network card. The information processing adapter of the onboard diagnostic system of claim 1, wherein the second output connector is a J1962 DLC specification. The information processing adapter of the on-board diagnostic system of claim 1, wherein the housing is provided with a plurality of heat dissipation holes. The information processing adapter of the onboard diagnostic system of claim 1, wherein the first output connector is vertically disposed with the input connector.