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Method for detecting oiliness of automatic transmission based on atomic absorption spectrometry

A technology of atomic absorption spectroscopy and automatic transmission, which is applied in the field of spectral analysis, can solve the problems that the wear of automatic transmission cannot be reflected in real time, and the wear status of automatic transmission cannot be reflected in the mileage of the car, so as to improve maintenance quality, reduce maintenance cost and improve reliability. sexual effect

Inactive Publication Date: 2012-03-28
郯城县善行医院
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Problems solved by technology

The traditional automatic transmission fluid ATF oil quality detection uses color, impurities, viscosity, oil temperature, and peculiar smell as inspection indicators for qualitative detection, which can neither reflect the wear of the main moving parts of the automatic transmission in real time, nor reflect the mileage of the car and the automatic transmission. relationship to wear

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  • Method for detecting oiliness of automatic transmission based on atomic absorption spectrometry
  • Method for detecting oiliness of automatic transmission based on atomic absorption spectrometry
  • Method for detecting oiliness of automatic transmission based on atomic absorption spectrometry

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Embodiment Construction

[0021] The purpose and effects of the present invention will become more apparent by describing the present invention in detail below in conjunction with the accompanying drawings.

[0022] Such as figure 1 Shown, the present invention is based on the automatic transmission oil quality detection method of atomic absorption spectrometry, comprises the steps:

[0023] Step 1: Extract oil samples from automatic transmissions of vehicles with different mileages of a certain model: the mileage ranges are 10,000-15,000 kilometers, 20,000-26,000 kilometers, 32,000-38,000 kilometers, 43,000-49,000 kilometers, 5.2 - 58,000 kilometers, each mileage interval takes a number of oil samples in the automatic transmission of the vehicle;

[0024] Step 2: Use a pipette to accurately measure 1.0 ml of a certain sample into a 100ml Erlenmeyer flask, add 10 ml of concentrated nitric acid (containing nitric acid should be 69% to 71% (g / g)) with a measuring cylinder, and put a Glass funne...

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Abstract

The invention discloses a method for detecting the oiliness of an automatic transmission based on atomic absorption spectrometry. The method comprises the following steps: measuring the content of major metal grains in the oil liquid of an automatic transmission of an automobile; establishing a database of the content of major metals in the oil liquid of the automatic transmission of the same automobile type at different miles of travel; and finding an internal law between the content of typical metals Fe, Cu and Cr in the oil liquid of the automatic transmission and the miles of travel of the automobile. Therefore, the method not only can be used for monitoring the wear conditions of major parts of the automatic transmission and forecasting the wear-out failure of the automatic transmission of the automobile in advance, but also can provide technical analysis for analyzing the failure of the automatic transmission of the automobile according to the content of the major metal grains in the oil liquid of the automatic transmission, thereby avoiding disassembly of an automatic transmission assembly and prolonging the service life of the automatic transmission of the automobile; and moreover, the method disclosed by the invention has simple requirements on equipment and high accuracy in detecting the content of major metal grains in the oil liquid of the automatic transmission, and simultaneously shows a good stability in application.

Description

technical field [0001] The invention relates to the technical field of spectroscopic analysis, in particular to an automatic transmission oil quality detection method based on atomic absorption spectrometry. Background technique [0002] Automobile automatic transmission relies on automatic transmission fluid ATF for hydraulic transmission, completes the manipulation of various shifting elements, and cleans various moving parts such as clutches and brakes. With the increase of the use time of the automatic transmission, the wear and tear of the moving parts of the automatic transmission is increasing, and the metal wear debris in the automatic transmission fluid ATF increases accordingly. The traditional automatic transmission fluid ATF oil quality detection uses color, impurities, viscosity, oil temperature, and peculiar smell as inspection indicators for qualitative detection, which can neither reflect the wear of the main moving parts of the automatic transmission in real...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/31
Inventor 陈立旦何娟
Owner 郯城县善行医院
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