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Portable Handheld Car Engine Failure Predictor

A car engine and fault prediction technology, which is applied in the direction of engine testing, machine/structural component testing, instruments, etc., can solve the problems of inability to give early warning of car engine failures, etc.

Inactive Publication Date: 2015-09-30
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the prior art cannot provide early warning of automobile engine failure, the present invention proposes a portable hand-held automobile engine failure predictor

Method used

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  • Portable Handheld Car Engine Failure Predictor
  • Portable Handheld Car Engine Failure Predictor
  • Portable Handheld Car Engine Failure Predictor

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Experimental program
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Effect test

specific Embodiment approach 1

[0042] Specific implementation mode one: see figure 1 , Figure 7, Figure 8 ,and Figure 11 Describe this embodiment, the portable hand-held automobile engine fault predictor described in this embodiment, it comprises transmitting part and receiving display part, and described transmitting part is connected with receiving display part by wireless signal; information collection unit;

[0043] The exhaust gas acquisition unit includes a gas detection circuit 1, a humidity detection circuit 2, an exhaust signal acquisition main control system 3 and a first wireless transmission circuit 4-1, and the signal output terminal of the gas detection circuit 1 is connected to the exhaust signal acquisition main control system. The gas detection signal input end of the control system 3 is connected, the signal output end of the humidity detection circuit 2 is connected with the humidity detection signal input end of the exhaust signal acquisition main control system 3, the signal outpu...

specific Embodiment approach 2

[0051] Specific implementation mode two: see figure 1 , figure 2 , image 3 and Figure 4 Describe this embodiment, the difference between this embodiment and the portable hand-held automobile engine failure predictor described in Embodiment 1 is that the exhaust signal acquisition main control system 3 includes an infrared receiving circuit, an amplifier circuit, and an A / D conversion circuit and a comparator, the signal input end of the amplifying circuit is connected with the signal output end of the infrared receiving circuit signal output end and the humidity detection circuit 2 at the same time, the signal output end of the amplifying circuit is connected with the analog signal input end of the A / D conversion circuit connected, the digital signal output end of the A / D conversion circuit is connected with the signal input end of the comparator, the signal output end of the comparator is the signal output end of the tail gas signal acquisition main control system 3, th...

specific Embodiment approach 3

[0056] Specific implementation mode three: see figure 1 Describe this embodiment, the difference between this embodiment and the portable hand-held automobile engine failure predictor described in the first embodiment is that the engine signal acquisition main control system 16 includes an amplifier circuit, an A / D conversion circuit and a comparator, The amplifying circuit amplifies noise signals, vibration signals and temperature signals, and sends all amplified analog signals to the A / D conversion circuit, and the A / D conversion circuit converts all amplified analog signals into digital signal, the comparator processes the digital signal and outputs a valid digital signal.

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Abstract

The invention relates to a portable handheld automobile engine failure prediction instrument, belonging to the field of automobile safety monitoring failure diagnosis. For the purpose of solving the problem that the automobile engine failure cannot be early warned in the prior art, the invention provides the portable handheld automobile engine failure prediction instrument, which comprises a tail gas acquisition unit, an engine information acquisition unit and a signal processing main control system, wherein the tail gas acquisition unit is used for acquiring contents of various ingredients in automobile tail gas, the engine information acquisition unit is used for acquiring data of vibration, noise and temperature of an engine and sending the data to the signal processing main control system, and the signal processing main control system is used for predicting some failures of the engine of an automobile that may occur by adopting a genetic neutral network algorithm taking the received contents of various ingredients in the automobile tail gas and the data of vibration, noise and temperature of the engine as the reasoning basis, and displaying failure information and guiding information for avoiding the failures to a user through a touch display screen. The portable handheld automobile engine failure prediction instrument is suitable for the fields of automobile failure prediction and automobile failure diagnosis.

Description

technical field [0001] The invention relates to a portable hand-held automobile engine fault predictor, which belongs to the field of automobile safety monitoring fault diagnosis. Background technique [0002] In the field of automobiles, there is no marketed product with the function of automobile failure prediction, but the products similar to this design are automobile failure analyzers and automobile operation status monitors. The car fault analyzer is mainly aimed at analyzing the problem of the faulty vehicle. Although the car fault detectors are also divided into hand-held and computer-connected, these devices need to be operated by professionals, and such products are expensive, and there are big differences in the production of vehicle instruments of different factions, which is not suitable for every car owner. operate. There are also some similar products in the research and development stage, such as remote monitoring and fault detection experts based on GPRS t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M15/00
Inventor 周美兰毕胜尧吴晓刚榕树蔺文豹
Owner HARBIN UNIV OF SCI & TECH
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