Standard metal measuring vessel capacity calibration result compensation method considering bubble elimination amount
A standard metal gauge and compensation method technology, applied in the field of measurement, can solve problems such as the influence of bubble discharge, and achieve the effect of easy promotion, wide application range and good adaptability
Active Publication Date: 2020-11-03
GUANGZHOU INST OF ENERGY TESTING
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Problems solved by technology
[0003] In order to solve the problem in the prior art that the capacity calibration of standard metal gauges is affected by the volume of air bubbles, the present invention provides a compensation method for the calibration results of standard metal gauges that considers the volume of bubbles, which can compensate the standard metal gauges In the actual use process, the deviation of the actual loading capacity caused by the amount of air bubbles eliminated improves the accuracy of capacity loading
Method used
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Embodiment 1
[0033] Using diesel oil as the medium, load 20L of diesel oil in a second-class standard metal gauge with a nominal capacity of 20L, open the valve of the second-class standard metal gauge to transfer the oil into a third-class standard metal gauge with a nominal capacity of 20L.
[0034] When the oil in the second-class standard metal gauge began to flow out in drops, the timer 1 started counting.
[0035] When the cumulative time of timer 1 is 120s, close the valve of the second-class standard metal gauge, and record the scale of the third-class standard metal gauge as h 11 =63.62mm, and the timer 2 starts counting at the same time.
[0036] The third-class standard metal measuring device stands still, and the scale of the third-class standard metal measuring device when the cumulative duration of timer 2 is 120s, 240s, 360s, 480s, and 600s is respectively recorded as h 12 =63.32mm, h 13 =63.32mm, h 14 =63.30mm, h 15 =63.02mm, h 16 = 62.90 mm.
[0037] Calculate the ra...
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The invention discloses a standard metal measuring vessel capacity calibration result compensation method considering bubble elimination amount, which comprises the following steps: taking oil as a medium, filling Q10 oil into a second-class standard metal measuring vessel with nominal capacity of Q10, and opening the second-class standard metal measuring vessel to transfer the oil into a third-class standard metal measuring vessel with nominal capacity of Q10; when the oil in the standard metal measuring vessel flows out in a drop shape, and when the accumulative duration is 120s, closing thevalve of the second-class standard metal measuring vessel, recording the scale h11 of the third-class standard metal measuring vessel, standing the third-class standard metal measuring vessel, and recording the scales h12, h13, h14, h15 and h16 of the third-class standard metal measuring vessel when the accumulative duration is 120s, 240s, 360s, 480s and 600s respectively; calculating the changerate of the influence of the bubble elimination amount on the volume of the oil in the third-class standard metal measuring vessel; calculating the average change rate of the influence of the bubble elimination amount on the volume of the oil in the third-class standard metal measuring vessel; and calibrating the standard metal measuring vessel with the nominal capacity Q, and calculating the compensation amount of the bubble elimination amount to the calibration result scale.
Description
technical field [0001] The invention relates to the technical field of measurement, in particular to a method for compensating the calibration result of the capacity of a standard metal measuring vessel considering the amount of bubbles dispelled. Background technique [0002] The standard metal gauge is a kind of measuring instrument for measuring the volume of fluid medium. It is a standard measuring device that must be equipped when measuring high-precision volume. The current capacity calibration of standard metal gauges mainly has the following problems: the medium used in the capacity calibration of standard metal gauges is generally water, but the actual medium used is usually oil. Due to the high viscosity of the oil, air bubbles mixed in the oil are difficult to resolve, affecting the actual loading capacity of standard metal gauges. Contents of the invention [0003] In order to solve the problem in the prior art that the capacity calibration of standard metal g...
Claims
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IPC IPC(8): G01F25/00
CPCG01F25/0084
Inventor 陈国宇林欢欢赖法全陈奕森梁慧轩
Owner GUANGZHOU INST OF ENERGY TESTING