Platform for flow checking and flow checking method adopting platform
A calibration method and flow technology, applied in the field of flow calibration, can solve problems such as misjudgment of flowmeter progress and inability to reflect the linearity of flowmeter, and achieve the effect of convenient operation and ensuring repeatability and accuracy
Pending Publication Date: 2018-01-09
SHANGHAI DAZHONG XIANGYUAN POWER SUPPLY
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Problems solved by technology
[0003] However, the current calibration platform can only measure the flow of one point, and cannot reflect the linearity of the flowmeter, which may easily cause misjudgment of the progress of the flowmeter. Therefore, the calibration platform needs to be improved.
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Embodiment 1
[0025] A platform for traffic verification, such as figure 1 As shown, it includes test pipeline 1, fan 2, frequency converter 3, flowmeter to be tested 4, standard flowmeter 5, first settlement instrument 6, second settlement instrument 7 and PC 8; flowmeter to be tested 4 and standard flowmeter The meter 5 is connected in series on the test pipeline 1, the fan 2 is set at one end of the test pipeline 1, the frequency converter 3 is connected with the fan 2, and is used to adjust the air volume of the fan 2, the first settlement instrument 6 is connected with the flow meter 4 to be tested, and the second The settlement instrument 7 is connected with the standard flowmeter 5, and the flow signals of the flowmeter 4 to be tested and the standard flowmeter 5 are respectively transmitted to the first settlement instrument 6 and the second settlement instrument 7 through the 4-20mA current signal, and the first settlement instrument 6 and the The second settlement instrument 7 is ...
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The invention relates to a platform for flow checking and a flow checking method adopting the platform. The platform comprises a test pipe, a draught fan, a frequency converter, a to-be-tested flow meter, a standard flow meter, a first settlement instrument, a second settlement instrument and a PC; the to-be-tested flow meter and the standard flow meter are connected to the test pipe in series, the draught fan is arranged at one end of the test pipe, the frequency converter is connected with the draught fan and used for adjusting the blast volume of the draught fan, the first settlement instrument is connected with the to-be-tested flow meter, the second settlement instrument is connected with the standard flow meter, flow signals of the to-be-tested flow meter and the standard flow meterare transmitted to the first settlement instrument and the second settlement instrument respectively through current, and the first settlement instrument and the second settlement instrument are bothconnected with the PC. Compared with the prior art, the platform has the advantages of being low in cost, high in efficiency, easy to operate, high in result accuracy, good in repeatability and the like.
Description
technical field [0001] The invention belongs to the technical field of flow verification, and in particular relates to a platform for flow verification and a flow verification method using the platform. Background technique [0002] The calibration of the flowmeter in the enterprise is mainly in accordance with the national regulations, and the regular inspection is carried out. In the daily work, the flow meter is usually disassembled and calibrated when the flow rate changes significantly. If the frequency of the calibration is increased, the cost of the enterprise will increase. In order to better ensure the use accuracy of the flowmeter without increasing the cost of the enterprise, it has become the most economical way to build a calibration platform. [0003] However, the current calibration platform can only measure the flow of one point, and cannot reflect the linearity of the flowmeter, which may easily cause misjudgment of the progress of the flowmeter. Therefore, ...
Claims
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IPC IPC(8): G01F25/00
Inventor 高明姚广晓朱明薛震宇程广忠潘利斌陶宏斌宋佳耀
Owner SHANGHAI DAZHONG XIANGYUAN POWER SUPPLY