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An end-of-line testing tool and detection method of the testing tool

A detector and off-line technology, applied in the direction of electrical testing/monitoring, transmission systems, electrical components, etc., can solve the problem that the diagnostic protocol cannot cover the diagnostic content of new energy vehicles, and cannot meet the requirements of low voltage, high voltage and drive components of new energy vehicles Demand and other issues to achieve the effect of ensuring product consistency and traceability, facilitating after-sales work, and ensuring normal operation

Inactive Publication Date: 2016-07-13
SAIC-GM-WULING AUTOMOBILE CO LTD
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AI Technical Summary

Problems solved by technology

[0004] Most of the existing off-line detectors are aimed at traditional vehicles, which cannot meet the needs of low-voltage, high-voltage and drive components required for off-line testing of new energy vehicles, and the diagnostic protocols of traditional vehicles cannot cover the diagnosis of new energy vehicles. content

Method used

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  • An end-of-line testing tool and detection method of the testing tool

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Embodiment Construction

[0032] The technical solution of the present invention will be described clearly and completely through the following embodiments. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] Such as figure 1 As shown, the off-line detector described in the embodiment of the present invention includes a test host 1, a USBCAN card 2, a human-computer interaction interface 3, a scanning device 4 and a printing device 5, the USBCAN card 2, the human-computer interaction interface 3. The scanning device 4 and the printing device 5 are respectively connected to the test host 1 .

[0034] The USBCAN card realizes the CAN communication between the whole vehicle and the off-line detector.

[0035] The human-computer...

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Abstract

The invention relates to an end-of-line testing tool and a detection method of the testing tool. The end-of-line testing tool comprises a test host, a USBCAN card, a human-computer interaction interface, a scanning device and a printing device. The USBCAN card, the human-computer interaction interface, the scanning device and the printing device are connected with the test host. The end-of-line testing tool sends fault reading, storing and clearing instructions through a CAN bus; a vehicle controller develops corresponding response programs and executes corresponding actions; vehicle key parameters are read according to set content, and are compared with set parameter range to determine whether the vehicle state is normal; action test is carried out on key components and high-voltage relays and the like, feedback result is collected, and result judgment is made; and archives are established for end-of-line vehicles, and traceability of information of the end-of-line vehicles is realized.

Description

technical field [0001] The invention relates to an off-line detector and a detection method using the detector. Background technique [0002] The core components in new energy vehicles include motors, batteries and vehicle controllers, and the communication between the three major components is mainly through the CAN bus. In addition, compared with traditional vehicles, new energy vehicles also add more sensors, high-voltage relays, etc. Therefore, for new energy vehicles, in the manufacturing process, in addition to ensuring the normal assembly and connection of mechanical parts, it is also necessary to confirm the electrical connection , sensors, etc. are no problem, in order to ensure the normal operation of off-line vehicles. [0003] The off-line detector of traditional cars is mainly aimed at engine emission control and other content, and is not suitable for new energy vehicles. During the off-line inspection of new energy vehicles, it is necessary to ensure that the...

Claims

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Application Information

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IPC IPC(8): G05B23/02H04L29/06
Inventor 钟日敏陈长健莫红明赵小羽
Owner SAIC-GM-WULING AUTOMOBILE CO LTD
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