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Full-automatic condensation point measuring device and method

A measuring device and a fully automatic technology, applied in the field of measuring the freezing point of oil products, can solve the problems of manual sample addition, low repeatability of measurement, change of conductivity coefficient, etc., so as to avoid mechanical errors and save the cost of instruments. , the effect of reducing mechanical errors

Inactive Publication Date: 2018-09-28
CHANGZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage is that sometimes the pressure change rate is not obvious, resulting in low measurement repeatability and low precision. Patent CN205120629 uses compressor refrigeration and configures metal baths to produce automatic instruments. Since the heat transfer medium is a metal bath, the conductivity changes. The phenomenon that the test results of high freezing point samples become higher and the test results of low freezing point samples are lower
Patent CN203203946 uses infrared rays to detect the movement of the liquid surface, but infrared rays are used to measure the freezing point with automatic instruments, but such instruments require manual sample addition, which is inefficient

Method used

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  • Full-automatic condensation point measuring device and method
  • Full-automatic condensation point measuring device and method
  • Full-automatic condensation point measuring device and method

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Embodiment Construction

[0028] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the automatic solidification point determination device of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] Such as figure 1 As shown, the implementation of the fully automatic solidification point determination device provided by the embodiment of the present invention is: a fully automatic solidification point determination device, which is characterized in that it includes a solidification point test tube 1, a temperature sensor 2, a camera probe 3, a stress plate 4, and a motor 5 , position sensor 6, angle sensor 7,...

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Abstract

The invention discloses a full-automatic condensation point measuring device, and belongs to the technical field of oil physical property measurement. The measuring device adopts two measuring modes to measure oil condensation points and comprises a condensation point test tube, a temperature sensor, a camera probe, a stress piece, a motor, a position sensor, an angle sensor, a heating-refrigeration circulator, a PC machine, a PLC controller, a modulation processor and an injection pump, the heating-refrigeration circulator, a liquid tank and a liquid storage pot are connected and form a circular loop, and the stress piece is inlaid in the inner wall of the condensation point test tube; the camera probe monitors and judges solidification degree of a sample, is placed to the condensation point tube, and rotates to the 45-degree oil sample scale line position, when the motor drives the condensation point test tube to rotate, the camera probe and the stress piece synchronously measure oil, the efficiency is high, the reliability is high, human resources are greatly reduced in a technical aspect, and the measuring device belongs to a high-performance intelligent automatic device.

Description

technical field [0001] This technology relates to the technical field of physical property measurement, especially the technology for measuring the freezing point. It is a device that uses two detection methods to measure the freezing point of oil products. The inner wall of the freezing point test tube of the tester is embedded with stress sheets, and the camera probe is set in the chassis. Inside, the camera probe monitors and judges the solidification degree of the sample, and it is placed at the oil sample scale line when the freezing point test tube is rotated to 45°. When the motor drives the freezing point test tube to rotate, the camera probe and the stress gauge start to measure the oil at the same time, which is highly efficient , High reliability, it is a fully automatic coagulation point determination device using two detection methods, which greatly saves human resources in terms of technology, and belongs to high-performance intelligent and automatic instruments. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/04
CPCG01N25/04
Inventor 吕爱华方倩茜黄维秋李曼林郭文敏
Owner CHANGZHOU UNIV
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