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A device and method for measuring the mixed medium of refrigerating machine oil and refrigerant

A technology for refrigerating machine oil and mixed medium, which is used in measuring devices, DC flow characteristics measurement, material weighing, etc., can solve the problems of large test pressure limitation, inability to measure the viscosity index of mixed solution, etc., and achieves simple structure and measurement application range. Wide, test reproducible effect

Active Publication Date: 2019-09-10
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent application number 201210100945.1 discloses a device and method for measuring the solubility of refrigerant in refrigerating machine oil, but the device cannot measure the viscosity index of the mixed solution, and the test pressure of this method has great limitations

Method used

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  • A device and method for measuring the mixed medium of refrigerating machine oil and refrigerant
  • A device and method for measuring the mixed medium of refrigerating machine oil and refrigerant
  • A device and method for measuring the mixed medium of refrigerating machine oil and refrigerant

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Embodiment 1

[0034] The invention provides a device for measuring the mixed medium of refrigerating machine oil and refrigerant, comprising a constant temperature system and a high-pressure sealed container arranged in the constant temperature system, the high-pressure sealed container includes a pressure-resistant glass tube 4, and the pressure-resistant glass tube 4 A viscosity testing device is provided inside, and the viscosity testing device includes a capillary viscometer 5 and a lifting device, the capillary viscometer 5 is located inside the pressure-resistant glass tube 4, and the lifting device includes a The magnet 20 moving up and down along the tube wall and the metal 21 arranged inside the pressure-resistant glass tube 4 and connected to the capillary viscometer 5 can drive the capillary viscometer 5 to move up and down under the adsorption of the magnet 20 . The metal 21 is wrapped in the lower part of the capillary viscometer 5 with the structure of a metal ring, the metal r...

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Abstract

The invention relates to the technical field of refrigerant test, in particular to a device and a method for measuring refrigeration oil and refrigerant mixed media. The device comprises a high-pressure sealed container comprising a pressure-resistant glass tube, a viscosity testing device comprises a capillary viscometer and a lifting device, the capillary viscometer is located inside the pressure-resistant glass tube, the lifting device comprises a magnet and metal, the magnet is arranged outside the pressure-resistant glass tube and capable of moving up and down along the tube wall, and the metal can drive a capillary viscometer to move up and down under the attraction action of the magnet. The device is simple, convenient to operate, safe and reliable, maximum borne pressure of the viscosity testing device depends on pressure bearing capacity of the sealed container of the high-pressure sealing device without being related to the capillary viscometer, and the device and the method can be used for measurement of liquid movement viscosity under a high-pressure state.

Description

technical field [0001] The invention relates to the technical field of refrigerant testing, in particular to a device and method for measuring the mixed medium of refrigeration machine oil and refrigerant. Background technique [0002] In the research field of alternative refrigerants, the solubility characteristics of refrigerants and corresponding refrigeration oils have been widely concerned. The air conditioning system generally requires that the refrigeration oil and the refrigerant have a certain compatibility. The compatibility between the two is good. The refrigerant dissolves in the refrigeration oil in a large amount, and the system returns oil quickly. However, another problem that may be caused is that the refrigerant will dilute the refrigerant. Oil, causing the viscosity of the mixture of the two to drop, which in turn affects its lubricating performance. In the face of the diversification of new refrigerants and the severe form of research and development of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/00G01N11/06
Inventor 郭小青史正良苏圣桐单彩侠陈晓晓
Owner GREE ELECTRIC APPLIANCES INC
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