A Fault Diagnosis System

A fault diagnosis system and fault diagnosis technology, applied in general control systems, control/regulation systems, testing/monitoring control systems, etc., can solve problems such as incorrect diagnosis results and inconvenient vehicle maintenance, and achieve the effect of improving accuracy

Active Publication Date: 2016-11-30
NINGBO RUYI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current fault diagnosis system can only extract and analyze the information in the controller in the vehicle. Once the controller or the fault diagnosis module fails or deviates, the diagnosis result will be wrong, which will bring great inconvenience to the maintenance of the vehicle.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] As the fault diagnosis system described above, the difference of this embodiment is that, as figure 2 As shown in the structural diagram of Embodiment 1 of the fault diagnosis system of the present invention, the fault diagnosis module 3 includes: a signal processor 31, a memory 32, a communication module 33 and a plurality of I / O interfaces 34; the signal processor 31 passes through the I / O interface 34 Connect with the controller 2 and the first output terminal 4 respectively, receive the first monitoring signal, the second monitoring signal and the operation signal, compare it with the data in the memory 32 for diagnosis, and pass the normal signal through The I / O interface 34 is transmitted to the first output terminal 4, and the abnormal signal is transmitted to the first output terminal 4 and the communication module 33; the memory 32 receives and stores the first monitoring signal, the second monitoring signal, the The running signal and its diagnosis result are u...

Embodiment 2

[0044] As the fault diagnosis system described above, the difference of this embodiment is that, as image 3 As shown in the structural diagram of Embodiment 2 of the fault diagnosis system of the present invention, the fault diagnosis system further includes an input terminal 6 connected to a signal processor 31 through an I / O interface 34 .

[0045] The input terminal 6 can be an input device (such as an input keyboard, a terminal that can input content such as an iPad) to input control instructions to the signal processor 31, and control the signal processor 31 to perform specific actions, such as updating data in the memory 32, or updating The diagnostic method for receiving the first monitoring signal, the second monitoring signal and the running signal; it can also be an external running signal collection device, so that the signal of the internal components of the vehicle can be input into the signal when the controller fails Processor 31; also can be used as a hand-hel...

Embodiment 3

[0047] As the fault diagnosis system described above, the difference of this embodiment is that, as Figure 4 As shown in the structure schematic diagram of the fault diagnosis system communication module of the present invention, described communication module 33 comprises: WiFi module 331, GPS module 332, USB module 333 and GPRS module 334; Establish contact, transmit described abnormal signal; GPS module 332 establishes contact with background server 5 by remote control, transmit described abnormal signal; USB module 333 establishes contact with background server 5 by the mode of data line, transmits described abnormal Signal; the GPRS module 334 transmits the abnormal signal to the background server 5 via the communication network.

[0048] In this way, the way for the communication module 33 to establish contact with the background server 5 is added, so that the fault diagnosis module 3 in the fault diagnosis system can establish contact with the background server 5 under...

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Abstract

The invention provides a fault diagnosis system. The fault diagnosis system includes an execution terminal, a controller, a fault diagnosis module, a first output terminal and a background server; the execution terminal is arranged in a vehicle and is connected with the controller, and monitors the operation signals of various components in the vehicle; the controller is connected with the fault diagnosis module, monitors the fault diagnosis module, and transmits monitored first monitoring signals and received operation signals to the fault diagnosis module; the fault diagnosis module monitors the controller, receives the first monitoring signals and the operation signals, and performs diagnosis; and the background server receives abnormal signals and judges the fault condition of the vehicle. Thus, the controller and the fault diagnosis module in the fault diagnosis system can monitor each other and give feedback to each other, so that errors in detection results caused by the damage of the controller or the fault diagnosis module can be avoided.

Description

technical field [0001] The invention relates to the technical field of fault diagnosis, in particular to a fault diagnosis system. Background technique [0002] With the rapid development of my country's automobile industry, the number of automobiles, especially storage vehicles, is increasing day by day. The number of car maintenance and fault diagnosis is also increasing. At present, the users of storage vehicles are generally non-professionals, and they have little understanding of storage vehicles. Once a vehicle fails, it is impossible to judge the fault and follow up. Simple maintenance requires professional After-sales service personnel handle it, which will cause inconvenience for customers to use, and it will take a certain amount of time for after-sales personnel to diagnose and repair the fault, which will delay the construction period. [0003] At present, a fault diagnosis system is generally installed in the vehicle to solve the problem of fault diagnosis. Ho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
CPCG05B23/0218
Inventor 冯振礼
Owner NINGBO RUYI
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