CN218585223U - Integrated car gateway that has OBD mouth - Google Patents

Abstract

The utility model discloses an automobile gateway integrated with an OBD port, which directly connects the OBD port with a circuit board in the automobile gateway and integrates the OBD port and the circuit board together, thereby saving all electric wires related to the OBD port, reducing the number of automobile parts, reducing the automobile production procedures and simplifying the automobile wiring harness matched with the automobile part; furthermore, the utility model provides a circuit board includes control module and data transmission module, control module is when receiving the control command that outside reading equipment sent, control data transmission module exports the appointed stitch of OBD mouth with the data output that communication bus gathered, thereby make traditional OBD mouth break through the restriction of stitch quantity, in two test development stages of car, can realize the function of original a plurality of OBD mouths through an OBD mouth, and can export the data that needs to appointed stitch according to the instruction, thereby the change number of times of reducible two development pencil in-process of car, improve two harnesses of car and mark efficiency of software testing.

Description

Integrated car gateway that has OBD mouth

Technical Field

The utility model relates to an automobile design and manufacturing field especially relate to an integrated automobile gateway that has OBD mouth.

Background

An automobile Gateway (automatic Gateway) is used as a core control device of an automobile network system, is connected with a plurality of communication buses and is used for coordinating the work of protocol conversion, data exchange, fault diagnosis and the like between bus networks with different structural characteristics and other data networks.

The OBD (On-Board-diagnostic) port, i.e., the On-Board diagnostic interface, as shown in fig. 6, generally has 16 pins, and various data acquired by a plurality of communication buses in the automobile network can be read and written in real time through the OBD port to perform automobile fault diagnosis, development and calibration, and other operations.

At present, although various network wires in the OBD port are taken from the automobile gateway, the automobile gateway and the OBD port exist independently as two independent parts for a long time, and the existing wiring scheme of the OBD port and the automobile gateway is shown in fig. 1.

Although there are solutions to integrate OBD ports with electrical boxes, because most of the medium and low end vehicles currently use traditional plug wire and PCB panel electrical boxes (without controller chips), the wiring scheme shown in this solution, as shown in fig. 2 below, still requires a large number of network wires to be connected to the gateway, and only one OBD power cord can be saved. Even if the high-end vehicle type adopts the electrical box with the control chip, not all buses need to be connected into the electrical box, such as power CAN-H and power CAN-L related to power systems such as an engine; a diagnostic CAN-H, a diagnostic CAN-L related to the gateway; safety CAN-H and safety CAN-L related to the air bag; the auxiliary driving CAN-H and the auxiliary driving CAN-L are related to lane departure and collision early warning; the lin1 and lin2 wires related to various switches and radars are not required to be connected into the electric box, so that the power supply CAN be saved, the CAN-H and CAN-L of the automobile body related to the functions of controlling the power on and off of the automobile and the like CAN be totally 3 wires, and the aim of simplifying the automobile wire harness structure cannot be fundamentally realized.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an integrated automobile gateway that has OBD mouth, the utility model discloses with the OBD mouth direct with the automobile gateway integration together, can simplify the car pencil structure, effectively reduce the quantity of automobile parts, further reduce the whole car cost of car.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an integrated automobile gateway that has OBD mouth, includes the casing and sets up at the inside circuit board of casing, and the electricity is connected with a plurality of communication bus on the circuit board, be provided with the OBD mouth that extends to the casing outside on the casing, the shaping has a plurality of stitches that are connected to the circuit board on the OBD mouth, and the OBD mouth is connected to through circuit board electricity communication bus.

In a preferred embodiment, the circuit board comprises a control module and a data transmission module electrically connected with the control module, wherein the input end and the output end of the data transmission module are respectively connected to the communication bus and the OBD port;

and when the control module receives a control instruction sent by external reading equipment, the control module controls the data transmission module to output the data acquired by the communication bus to the designated pin of the OBD port.

In a preferred embodiment, the external reading device is in communication connection with a control module of the circuit board through an OBD port.

In a preferred embodiment, a wireless communication module capable of communicating with an external reading device is further disposed on the circuit board, and the wireless communication module is electrically connected to the control module.

In a preferred embodiment, the pins and the circuit board are connected by welding.

In a preferred embodiment, a plug connector used for connecting the communication bus is arranged on the circuit board, and the communication bus is connected to the plug connector through a plug connector.

In a preferred embodiment, the OBD port is integrally formed with the housing.

In a preferred embodiment, the OBD port and the plug connector are symmetrically arranged on two sides of the circuit board.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model directly connects the OBD port with the circuit board in the automobile gateway and integrates the OBD port and the circuit board together, which can save all electric wires related to the OBD port, reduce the number of automobile parts, reduce the automobile production procedures, simplify the automobile wiring harness matched with the OBD port and further reduce the cost of the whole automobile;

2. the utility model provides a circuit board includes control module and the data transmission module of being connected with the control module electricity, control module is when receiving the control command that outside reading equipment sent, control data transmission module exports the appointed stitch of OBD mouth with the data output that communication bus gathered, thereby make traditional OBD mouth break through the restriction of stitch quantity, in two test development stages of car, can realize the function of original a plurality of OBD mouths through an OBD mouth, and can export the data that needs to appointed stitch according to the instruction, thereby the change number of times in the reducible two pencil development processes of car, improve two harnesses of car and mark efficiency of software testing.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic wiring diagram of an OBD port and an automotive gateway in a conventional scheme;

fig. 2 is a schematic diagram of the connection between the OBD port and the car gateway in the prior art in which the OBD port and the electrical box are integrated;

fig. 3 is a schematic wiring diagram of an OBD port and an automobile gateway in an automobile gateway integrated with the OBD port provided by the present invention;

fig. 4 is a schematic diagram of an internal structure of the car gateway provided by the present invention;

fig. 5 is a control schematic diagram of the automotive gateway provided by the present invention;

FIG. 6 is a schematic interface diagram of an OBD port;

the figures are labeled as follows:

10. a housing;

20. a circuit board;

30. a communication bus;

40. an OBD port; 401. a stitch;

50. a plug-in unit;

60. plug-in member.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

An automobile gateway integrated with an OBD port is shown in fig. 4 and 3, and includes a housing 10 and a circuit board 20 disposed inside the housing 10, the circuit board 20 is electrically connected with a plurality of communication buses 30, the housing 10 is provided with an OBD port 40 extending to the outside of the housing, the OBD port is formed with a plurality of pins 401 connected to the circuit board, and the OBD port 40 is electrically connected to the communication buses 30 through the circuit board 20.

The utility model discloses link to each other OBD mouth 40 is direct with the inside circuit board 20 of automobile gateway to be in the same place both integrations, this scheme can save all electric wires relevant with OBD mouth 40, and this scheme can reduce automobile parts quantity simultaneously, reduces the automobile production process, simplifies supporting car pencil with it, further reduces the whole car cost of car.

In one embodiment, as shown in fig. 5, the circuit board 20 includes a control module and a data transmission module electrically connected to the control module, wherein an input end and an output end of the data transmission module are respectively connected to the communication bus 30 and the OBD port 40;

when the control module receives a control instruction sent by an external reading device, the control module controls the data transmission module to output the data acquired by the communication bus 30 to the designated pin 401 of the OBD port 40.

Further, the external reading device is in communication connection with the control module of the circuit board 20 through the OBD port 40;

in addition, a wireless communication module electrically connected with the control module can be integrated on the circuit board 20, and when necessary, the external reading device can be directly in communication connection with the control module of the circuit board 20 through the wireless communication module, so that the connection mode is more convenient and faster. The dashed line in fig. 5 is a schematic diagram of the trend of the control signal sent by the external reading device.

As shown in fig. 6, since the number of pins of the OBD port 40 is 16, that is, at most, 16 wires can be connected, and the number of communication buses 30 actually carried by the vehicle may be much larger than that shown in the figure, a second or third OBD port 40, even an nth OBD port, needs to be added in the test development stage of the vehicle, and these OBD ports 40 usually need to be marked and distinguished, so that a test calibration person can quickly find out which OBD port 40 the communication bus 30 which needs to read data is on, and which communication buses 30 on the OBD ports 40 are on, which is tedious; moreover, after the vehicle calibration is finished, the redundant OBD ports 40 need to be eliminated, and only one OBD port containing the diagnostic bus needs to be reserved, which causes waste of resources.

The utility model discloses after integrating car gateway and OBD mouth 40, no matter how many ways communication bus 30 that inserts the car gateway have, when the data on the communication bus 30 of needs reading a certain way, only need outside reading equipment to send the reading request to the circuit board 20 of car gateway, the control module of circuit board 20 receives after the request can control data transmission module to export the data that communication bus 30 gathered to stitch 401 of one or some OBD mouth 40 that define in advance; moreover, in the vehicle test development stage, the utility model discloses an automobile gateway can realize the function of original a plurality of OBD mouths through an OBD mouth.

Therefore, the OBD port 40 and the automobile gateway are integrated, so that electric wires can be saved, the change times in the vehicle wiring harness development process can be reduced, and the vehicle wiring harness and the calibration test efficiency are improved.

In one embodiment, as shown in fig. 4, a connector 50 for connecting the communication bus 30 is disposed on the circuit board 20, and the communication bus 30 is connected to the connector 50 through a connector 60, so as to achieve quick plugging. Further, in order to optimize the layout of electrical components on the circuit board 20 and facilitate the insertion and extraction of the plug member 60, the OBD port 40 and the plug member 50 may be symmetrically disposed on both sides of the circuit board 30.

In an embodiment, the OBD port 40 and the housing 10 are integrally formed, so that the integrated structure is more convenient to process, the OBD port 40 can be better connected with the housing 10, and the situation of falling off cannot occur, and the use of the gateway is not affected.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (8)

1. The utility model provides an integrated automobile gateway that has OBD mouth, includes the casing and sets up the circuit board in the casing is inside, and the electricity is connected with a plurality of communication buses on the circuit board, its characterized in that:

be provided with the OBD mouth that extends to the casing outside on the casing, the shaping has a plurality of stitches that are connected to the circuit board on the OBD mouth, and the OBD mouth is connected to through the circuit board electricity communication bus.

2. The automotive gateway integrated with an OBD port according to claim 1, wherein: the circuit board comprises a control module and a data transmission module electrically connected with the control module, wherein the input end and the output end of the data transmission module are respectively connected to the communication bus and the OBD port;

and when the control module receives a control instruction sent by external reading equipment, the control module controls the data transmission module to output the data acquired by the communication bus to the designated pin of the OBD port.

3. The automotive gateway integrated with the OBD port as claimed in claim 2, wherein: and the external reading equipment is in communication connection with the control module of the circuit board through an OBD port.

4. An OBD port integrated automotive gateway according to claim 2 or 3, wherein: the circuit board is also provided with a wireless communication module which can communicate with external reading equipment, and the wireless communication module is electrically connected to the control module.

5. The automotive gateway integrated with an OBD port according to claim 1, wherein: the pins and the circuit board are connected in a welding mode.

6. The automotive gateway integrated with an OBD port according to claim 1, wherein: the circuit board is provided with a plug connector used for connecting the communication bus, and the communication bus is connected to the plug connector through the plug connector.

7. The automotive gateway integrated with the OBD port as claimed in claim 6, wherein: the OBD port and the plug connector are symmetrically arranged on two sides of the circuit board.

8. The automotive gateway integrated with an OBD port according to claim 1, wherein: the OBD mouth with the casing sets up for integrated into one piece.

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