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A urea tank diagnostic system

A diagnostic system and urea tank technology, applied in the field of post-processing system fault diagnosis, can solve problems such as unable to read post-processing system status, easy to fail, unable to clear faults, etc., to achieve simple and efficient operation interface, high success rate, and diagnostic effect Good results

Active Publication Date: 2020-11-06
湖北迪耐斯通达排放处理系统有限公司
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the traditional urea tank diagnostic instrument is easy to fail when accessing safely, resulting in the lock of the controller. In view of the problem of control testing, a method with reasonable conception, stable operation, good diagnostic effect and high efficiency is proposed. The sales and after-sales personnel can read the current state of the post-processing system, clear the current faults, and perform over-control testing. , a urea tank diagnostic system that provides diagnostic tools for in-sales and after-sales work

Method used

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  • A urea tank diagnostic system
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Embodiment Construction

[0029] Such as figure 1 As shown, the urea tank diagnostic system of the present invention includes a computer, a processing system controller ACU and an electronic control unit box E-box.

[0030] The urea tank diagnostic control system is installed on the computer, and the urea tank diagnostic control system is installed on the computer and is electrically connected to the after-treatment system controller ACU through the computer to realize the diagnosis or test function.

[0031] Such as Figure 2-4 As shown, the urea tank diagnostic control system includes a security access unit 1, an override test function unit 2, a fault clearing function unit 3, a real-time monitoring unit 4, a controller signal overtime checking function unit 5, an analog controller function unit 6, a data Analysis function unit 7, reset unit 8 and fault code query unit 9.

[0032] The security access function unit 1 obtains the security access right before the ACU advanced diagnosis function of the...

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Abstract

The invention relates to a urea tank diagnostic system. The system comprises a post-treatment system controller ACU, an electric control unit E-box and computer, a urea tank diagnostic control systemis installed on the computer, the urea tank diagnostic control system comprises a safe access unit, a super-control test function unit, a fault clearing function unit, a real-time monitoring unit, a controller signal timeout checking function unit, an analog controller function unit, a data analysis function unit, the real-time monitoring unit comprises a controller static information reading module, an ACU signal reading module, an ECU signal reading module, an E-box signal reading module and an instrument signal reading module. The method is reasonable in concept, the method is stable in operation and use, good in diagnosis effect, high in efficiency and convenient to sell, the current state of the post-processing system can be read by the after-sales person, the current fault can be removed, can execute an over-control test and provide a diagnosis tool for after-sales and after-sale work.

Description

technical field [0001] The invention relates to the technical field of fault diagnosis of post-processing systems, in particular to a diagnosing system for a urea tank. Background technique [0002] The traditional urea tank diagnostic instrument is easy to fail when passing security access, resulting in the lock of the controller. The company's sales and after-sales personnel cannot read the current status of the after-treatment system, cannot clear the current faults, and cannot perform the override test. Seriously affected the diagnostic efficiency and diagnostic effect of the urea tank. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the traditional urea tank diagnostic instrument is easy to fail when accessing safely, resulting in the lock of the controller. In view of the problem of control testing, a method with reasonable conception, stable operation, good diagnostic effect and high efficiency is proposed. The s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N11/00
CPCY02T10/40
Inventor 陆晓
Owner 湖北迪耐斯通达排放处理系统有限公司
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