Device for measuring acid value of gear oil

Abstract

The invention discloses a device for measuring the acid value of gear oil. The device comprises a shell, a detection module, a reagent adding module and a control module, wherein the reagent adding module is arranged in the shell, a titration reagent, a first indicator and a second indicator are output into the detection module under the control of the control module, the detection module detects the color change of a mixed reagent of the titration reagent, the first indicator, the second indicator and a to-be-detected target reagent, the control module obtains the output quantity of the second indicator according to the color change of the mixed reagent, and calculates the acid value of the to-be-detected target reagent according to the output quantity of the second indicator and the preset mass of the to-be-detected target reagent, so that the automatic determination of the acid value is realized, and the operation is convenient.

Description

technical field [0001] The invention relates to the field of measuring instruments, in particular to a device for measuring the acid value of gear oil. Background technique [0002] Gear oil is used as a lubricating medium for mechanical equipment, and its lubricating performance is directly related to the service performance and life of the equipment. As one of the important physical and chemical indicators of gear oil, the acid value is mainly used to reflect the degree of oxidation of the oil. When the acid value in the gear oil is large, it will cause certain corrosion to the equipment, thereby accelerating the wear of the equipment and reducing the wear of the equipment. lifespan. Therefore, it is necessary to detect the acid value of the gear oil in the equipment. At present, when measuring the acid value of lubricating oil, it mainly includes manual determination and automatic determination, but there are deficiencies in both: [0003] The manual measurement is mai...

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Problems solved by technology

[0003] The manual measurement is mainly based on the color change, which is greatly influenced by human factors and is related to the experience of the experimenter. It is difficult to grasp the critical point of color change, and it is difficult to control the titration amount when adding titration reagents and acid-base indicators.

[0004] The acid value is determined mainly by temperature change or potential change during automatic determination, and the temperature of the measurement environment is higher when the temperature change is used for determination, and the exothermic phenomenon in the titration process is not obvious; The requirements are high, and the electrodes are easily passivated, which will affect the measurement results

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