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Oil index tester

A measuring instrument and oil product technology, which is applied in the field of oil index measuring instrument, can solve the problems of heavy workload, large error, and high labor cost, and achieve the effects of improving work efficiency, ensuring accuracy, and improving calibration accuracy

Inactive Publication Date: 2018-07-06
王忠贵
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Problems solved by technology

[0019] In view of this, the purpose of the present invention is to overcome the deficiencies of the prior art and provide an oil index measuring instrument to solve the problem of large errors, heavy workload and high labor cost due to manual regression and manual calibration in the prior art. The problem

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Embodiment Construction

[0067] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0068] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0069] see figure 1 , a kind of oil indicator measuring instrument provided by an embodiment of the present invention, performs regression according to the following steps, including:

[0070] Step S11, collecting the oil index value y of the standard oil sample i i , and measured the dielectric const...

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Abstract

The invention discloses an oil index tester. Firstly, the octane number of a standard oil sample or cetane number data of diesel is acquired, and the dielectric constant of the corresponding oil is automatically tested; after all sample information is entered, the tester checks the rationality of the sample first, and then operates with a polynomial least squares method and compares errors of primary, secondary and cubic polynomials; relatively low power is selected within an allowable range so as to reduce the complexity of calculation, and all parameters of a formula are automatically determined; after the formula is generated, a user can use the regression formula for subsequent quick oil testing. Through adoption of the technical scheme, the problems of large error, large workload andhigh labor cost caused by manual regression and manual calibration in the prior art can be solved.

Description

technical field [0001] The invention relates to the technical field of octane number measuring instruments, in particular to an oil index measuring instrument. Background technique [0002] The octane number of gasoline is a functional index to measure the anti-knocking combustion ability of gasoline in the cylinder, and a high value indicates good anti-knocking performance. When gasoline is normally burned in the cylinder, the flame propagation speed is 10-20m / s, and it can reach 1500-2000m / s during detonation combustion. The latter will cause the temperature of the cylinder to rise sharply, the combustion of gasoline will not be complete, and the machine will vibrate strongly, which will reduce the output power and damage the machine parts. [0003] Hydrocarbons with different chemical structures have different anti-knock capabilities. Isooctane (2,2,4-trimethylpentane) has better anti-knock properties, and its octane number is given as 100. The anti-knock property of n...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/22
CPCG01N27/221
Inventor 王忠贵王云晓郭福田王子维
Owner 王忠贵
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