CO2 compressor-expander performance testing system

A carbon dioxide and test system technology, applied in the system field of refrigeration technology, can solve the problems of inability to control the two-stage intake air temperature of the compressor, complicated control, and the inability to realize the performance test of the carbon dioxide expander, etc.

Inactive Publication Date: 2009-08-19
SHANGHAI JIAOTONG UNIV
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: since the performance testing mechanism is based on the principle of hot gas bypass, the control of the suction and exhaust pressure is realized through the regulating valve, and the control is complicated
During the test of the two-stage CO2 compressor, without intercooling, it is impossible to control the inlet temperature of the two stages of the compressor
The high-pressure refrigerant discharged from the compressor is first throttled and decompressed to an intermediate pressure value, and the performance test of the carbon dioxide expander cannot be performed on the same test bench

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • CO2 compressor-expander performance testing system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] Such as figure 1 As shown, the present invention includes: evaporator 1, intercooler 2, oil separator 3, air cooler 4, filter 5, electric heater 6, gas-liquid separator 7, cooling fan 8, first expansion valve 9 , The second expansion valve 10, the electronic expansion valve 11 and the mass flow meter 12. The outlet of the electric heater 6 is connected to the inlet of the tested compressor 13, the cooling fan 8 is fixedly installed on the front of the intercooler 2 through the outside, the inlet of the intercooler 2 is connected with the first stage exhaust of the tested compressor 12, and the outlet of the intercooler 2 Connected to the two-stage inlet of the tested compressor 13, the refrigerant inlet of the oil separator 3 is connected to the two-stage exhaust port of the tested compressor 13, and the oil return port of the oil separator 3 is connected to the first or second stage suction of the tested compressor 13 respectively. The inlet of the air cooler 4 is connecte...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a test system for testing the property of carbon dioxide compressor-expander, belonging to the refrigerating technique. Wherein, the outlet of evaporator is connected to the inlet of gas-liquid separator; the outer part of cooling fan is fixed on the front surface of middle cooler; the middle cooler and oil separator are connected to the tested compressor; the inlet of gas cooler is connected to the outlet of coolant of oil separator; the outlet of gas cooler is connected to the inlet of quality flow meter and the inlet of electric expand valve; the outlet of quality flow meter is connected to the inlet of expand valve; the outlet of expand valve is connected to the inlet of tested expander; the outlet of evaporator is connected to the inlet of gas-liquid separator; the outlet of gas-liquid separator is connected to the inlet of electric heater; the outlet of electric heater is connected to the first-stage gas inlet of tested compressor. The invention has simple structure, lower cost, and flexible operation, which can be used to test the property of full-closed carbon dioxide compressor-expander.

Description

Technical field [0001] The invention relates to a system in the technical field of refrigeration, specifically, a carbon dioxide compressor-expander performance test system. Background technique [0002] At present, the research of carbon dioxide as an alternative refrigerant is one of the most active research directions in the field of refrigeration technology. Especially in the application areas of automotive air conditioners (MAC), environmental control units (ECU) and heat pump water heaters (HPWP), the application of carbon dioxide has attracted the attention of the industry and has increasingly shown its unique advantages. Among them, as the "heart" component of the refrigeration system, the development and research of the carbon dioxide compressor is very important, and its performance directly affects the overall performance and stability of the carbon dioxide system. On the other hand, considering the large throttling loss of the carbon dioxide system, the recovery of ex...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): G01M19/00G01M99/00
Inventor 杨军张利茅立华陈江平陆平
Owner SHANGHAI JIAOTONG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap