Intelligent open flash point tester

An open flash point measuring instrument technology, which is applied in the field of measuring instruments, can solve problems such as poor repeatability of flash point values, large temperature fluctuations, and temperature rise, and achieve high sensitivity and reliable detection effects

Inactive Publication Date: 2013-03-20
杨加珍
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The biggest disadvantage of the manual instrument is that the heating characteristics are not good, and it is difficult to raise the temperature linearly according to national and international standards.
The temperature fluctuates too much during the actual measurement, and the repeatability of the obtained flash point value is very poor.

Method used

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  • Intelligent open flash point tester

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Embodiment Construction

[0008] refer to figure 1 , the specific embodiment adopts the following technical solutions: it includes a sensor 1, a digital thermometer 2, a single-chip CPU3, an over-temperature alarm circuit 4, a flame control circuit 5, a printer 6, a heating controller 7, an oil cup 8 and a flash detection circuit 9. The sensor 1 is connected to the digital thermometer 2, the digital thermometer 2, the over-temperature alarm circuit 4 and the flash detection circuit 9 are all connected to the single-chip CPU3, and the single-chip CPU3 is connected to the flame control circuit 5, the printer 6 and the heating controller 7 respectively , The heating controller 7 is connected with the oil cup 8.

[0009] The working principle of this specific embodiment: the signal that sensor 1 outputs is sent into single-chip CPU3 through digital thermometer 2, and overtemperature alarm circuit 4 and flash fire detection circuit 9 all output signals respectively and send into single-chip CPU3, after proc...

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PUM

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Abstract

The invention provides an intelligent open flash point tester, and relates to the field of testing apparatuses. The intelligent open flash point tester comprises a sensor (1), a digital thermometer (2), a singlechip central processing unit (CPU) (3), an over-temperature alarm circuit (4), a flame control circuit (5), a printer (6), a heating controller (7), an oil cup (8) and a flashing point detection circuit (9), wherein the sensor (1) is connected with the digital thermometer (2); the digital thermometer (2), the over-temperature alarm circuit (4) and the flashing point detection circuit (9) are all connected with the singlechip CPU (3); the singlechip CPU (3) is connected with the flame control circuit (5), the printer (6) and the heating controller (7) respectively; and the heating controller (7) is connected with the oil cup (8). The intelligent open flash point tester is totally controlled by a micro computer; a test process is performed automatically after an operator types in a pre-flashing point once; and if the operator presets the flash point improperly, the intelligent open flash point tester sends an alarm, and refuses to execute. The intelligent open flash point tester can judge a test result, and has the characteristics of high sensitivity, reliable detection and the like.

Description

technical field [0001] The invention relates to the field of measuring instruments, in particular to an intelligent opening flash point measuring instrument. Background technique [0002] "Flash point" is an index that characterizes the safety of storage and transportation of petroleum products. It indicates that petroleum products at this temperature will cause "explosion" if they encounter an open flame, endangering equipment and personal safety. Therefore, the flash point of petroleum products must be tested before leaving the factory and before the user enters the warehouse to ensure safety. The biggest disadvantage of the manual instrument is that the heating characteristics are not good, and it is difficult to linearly increase the temperature according to national and international standards. The temperature fluctuates too much during the actual measurement, and the repeatability of the obtained flash point value is very poor. Contents of the invention [0003] Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/52
Inventor 杨加珍
Owner 杨加珍
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