CN214728610U - Vehicle CAN signal reading connection system - Google Patents
Vehicle CAN signal reading connection system Download PDFInfo
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- CN214728610U CN214728610U CN202120497554.2U CN202120497554U CN214728610U CN 214728610 U CN214728610 U CN 214728610U CN 202120497554 U CN202120497554 U CN 202120497554U CN 214728610 U CN214728610 U CN 214728610U
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Abstract
The utility model relates to a vehicle CAN signal reads connected system, including electrical apparatus connection structure, vehicle CAN interface and diagnostic apparatus, electrical apparatus connection structure's one end with the diagnostic apparatus is connected, electrical apparatus connection structure's the other end with vehicle CAN interface connection, vehicle CAN interface include D/T _ CAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface, D/T _ CAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface respectively with electrical apparatus connection structure connects. This scheme passes through electrical apparatus connection structure, and the switch-on switch can read the signal of each gateway through the diagnostic apparatus, need not to map through the gateway, can be pertinence detect a certain gateway, also can switch on a plurality of switches simultaneously, reads a plurality of gateway signals, and the application is strong, has avoided the big condition of a certain gateway load factor for whole detection reading process is more convenient.
Description
Technical Field
The utility model relates to a vehicle body diagnosis field especially relates to a vehicle CAN signal reads connected system.
Background
The common diagnostic instrument is connected with a vehicle through a vehicle-mounted OBD port and reads a vehicle CAN signal; for a diagnostic instrument with only one CAN communication capability, P _ CAN data is read through pins of OBD interfaces (6, 14); if the CAN signal of the (T/I/E/C/B) gateway is to be checked and analyzed, the corresponding CAN signal CAN be mapped to the P _ CAN only through the gateway mapping function; for a diagnostic instrument with two CAN communication capacities, P _ CAN data are read through pins of OBD interfaces (6, 14); D/T _ CAN data are read through pins of an OBD interface (3, 11); the gateway mapping function is usually used to map the CAN signals of other (I/E/C/B) gateways to D/T _ CAN for read analysis.
The diagnosis mode CAN increase the load rate of one CAN gateway, cause the damage of the gateway, lead the signal reading to be slow and the process to be complex, and is inconvenient for the troubleshooting of the vehicle manufacturing problem in the development stage.
Disclosure of Invention
The utility model provides a vehicle CAN signal reads connected system aims at solving current vehicle CAN signal and reads the mode process complicacy, easily causes the big problem of a certain gateway load factor.
The utility model provides a vehicle CAN signal reads connected system, including electrical apparatus connection structure, vehicle CAN interface and diagnostic apparatus, electrical apparatus connection structure's one end with the diagnostic apparatus is connected, electrical apparatus connection structure's the other end with vehicle CAN interface connection, vehicle CAN interface include D/T _ CAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface, D/T _ CAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface respectively with electrical apparatus connection structure connects.
As a further improvement of the utility model, electrical apparatus connection structure includes OBD interface and a plurality of signal switch, DTCAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface respectively with the one end of OBD interface is connected, DTCAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface with be equipped with alone between the OBD interface signal switch.
As a further improvement of the present invention, the other end of the OBD interface is connected to the diagnostic device.
As a further improvement of the present invention, the diagnostic device reads one or a plurality of data of the vehicle CAN interface at the same time.
As a further improvement of the present invention, the vehicle CAN signal reading connection system opens one or a plurality of signal switches simultaneously.
The utility model has the advantages that: this scheme passes through electrical apparatus connection structure, and the switch-on switch can read the signal of each gateway through the diagnostic apparatus, need not to map through the gateway, can be pertinence detect a certain gateway, also can switch on a plurality of switches simultaneously, reads a plurality of gateway signals, and the application is strong, has avoided the big condition of a certain gateway load factor for whole detection reading process is more convenient.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, the utility model provides a vehicle CAN signal reads connected system, including electrical apparatus connection structure, vehicle CAN interface and diagnostic apparatus, electrical apparatus connection structure's one end with the diagnostic apparatus is connected, electrical apparatus connection structure's the other end with vehicle CAN interface connection, vehicle CAN interface include D/T _ CAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface, D/T _ CAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface respectively with electrical apparatus connection structure connects.
As an embodiment of the utility model, electrical apparatus connection structure includes OBD interface and a plurality of signal switch, DTCAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface respectively with the one end of OBD interface is connected, DTCAN interface, P _ CAN interface, I _ CAN interface, E _ CAN interface, C _ CAN interface and B _ CAN interface with be equipped with alone between the OBD interface signal switch.
As another embodiment of the present invention, the other end of the OBD interface is connected to the diagnostic device.
As another embodiment of the present invention, the diagnostic device reads one or a plurality of data of the vehicle CAN interface at the same time.
As another embodiment of the present invention, the vehicle CAN signal reading connection system opens one or more signal switches simultaneously.
The utility model provides a vehicle CAN signal reads connected system utilizes when the diagnostic apparatus examines each CAN interface, need not carry out the mapping between the gateway, but through opening corresponding CAN interface signal switch directly carries out the signal acquisition of gateway, has avoided the big condition of certain gateway load factor for whole detection reading process is more convenient.
As shown in fig. 1, an operator accesses the diagnostic device to the other end of the OBD interface, and by turning on the signal switch corresponding to the vehicle CAN interface, data of one certain vehicle CAN interface CAN be directly measured, for example, data of the E _ CAN interface is desired to be detected, and by turning on the signal switch between the E _ CAN interface and the OBD interface, the diagnostic device CAN obtain data of the E _ CAN interface, and data of the E _ CAN interface desired to be detected in the prior art needs to be mapped to another CAN interface, so that compared with the prior art, the scheme reduces the load factor of other CAN interfaces, protects the CAN interfaces, and accelerates the detection speed. The utility model discloses in, CAN open a plurality ofly simultaneously signal switch is to a plurality of differences the vehicle CAN interface carries out data collection and detects, reads a plurality of gateway signals, CAN select in a flexible way which read out which all the way or which several ways CAN gateway signals, and the application is strong, also makes things convenient for whole car CAN bus test.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (5)
1. The vehicle CAN signal reading and connecting system is characterized by comprising an electric appliance connecting structure, a vehicle CAN interface and a diagnostic instrument, wherein one end of the electric appliance connecting structure is connected with the diagnostic instrument, the other end of the electric appliance connecting structure is connected with the vehicle CAN interface, the vehicle CAN interface comprises a D/T _ CAN interface, a P _ CAN interface, an I _ CAN interface, an E _ CAN interface, a C _ CAN interface and a B _ CAN interface, and the D/T _ CAN interface, the P _ CAN interface, the I _ CAN interface, the E _ CAN interface, the C _ CAN interface and the B _ CAN interface are respectively connected with the electric appliance connecting structure.
2. The CAN signal reading and connecting system of a vehicle of claim 1, wherein the electrical connection structure comprises an OBD interface and a plurality of signal switches, the D/T _ CAN interface, the P _ CAN interface, the I _ CAN interface, the E _ CAN interface, the C _ CAN interface and the B _ CAN interface are respectively connected with one end of the OBD interface, and the signal switches are separately arranged between the D/T _ CAN interface, the P _ CAN interface, the I _ CAN interface, the E _ CAN interface, the C _ CAN interface and the B _ CAN interface and the OBD interface.
3. A vehicle CAN signal reading connection system according to claim 2 wherein the other end of the OBD interface is connected to the diagnostic instrument.
4. A vehicle CAN signal read connection system according to claim 3 wherein said diagnostic meter reads data from one or more of said vehicle CAN interfaces simultaneously.
5. A vehicle CAN signal reading connection system according to claim 4, wherein the vehicle CAN signal reading connection system activates one or more of the signal switches simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120497554.2U CN214728610U (en) | 2021-03-09 | 2021-03-09 | Vehicle CAN signal reading connection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120497554.2U CN214728610U (en) | 2021-03-09 | 2021-03-09 | Vehicle CAN signal reading connection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214728610U true CN214728610U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120497554.2U Active CN214728610U (en) | 2021-03-09 | 2021-03-09 | Vehicle CAN signal reading connection system |
Country Status (1)
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| CN (1) | CN214728610U (en) |
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2021
- 2021-03-09 CN CN202120497554.2U patent/CN214728610U/en active Active
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