Auto-cascade heat pump with middle throttling element and adjusting method thereof

A throttling element, self-cascading technology, applied in refrigeration components, fluid circulation arrangements, lighting and heating equipment, etc., can solve the problems of poor overall performance, large working temperature difference, unstable performance, etc. Large temperature difference and good adaptability

Inactive Publication Date: 2010-09-22
XI AN JIAOTONG UNIV
View PDF0 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows for efficient cooling even if there are changes or fluctuations in operating condition during use. By controlling an intermediary device called a valve, it can ensure better distribution between different types of agents within the same space without affecting their effectiveness due to changing factors such as humidity levels.

Problems solved by technology

This patented technical solution for improving the efficiency of heatpiers involves developing new systems called Self-Compounding (SC) systems or Auto Catheterization Systems (ACS). These systems are designed specifically based upon specific properties like pressures ratios and temperatures differences. They allow for better control over both the compressor's operation and the cool air output temperature within certain limits. By implementing these techniques they improve their effectiveness compared to conventional ones without them.

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
  • Auto-cascade heat pump with middle throttling element and adjusting method thereof
  • Auto-cascade heat pump with middle throttling element and adjusting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0017] Example: see figure 1 , using the non-azeotropic refrigerant R134a / R123 as the system circulating working medium, the working medium is compressed into a high-temperature and high-pressure gas after being compressed by the refrigeration compressor A, and is partially condensed in the condenser B to form a gas-liquid two-phase with a small dryness Refrigerant or liquid-phase refrigerant with a small subcooling degree, and then throttling through the middle throttling element F1 to obtain a relatively high-quality refrigerant and enter the gas-liquid separator C for gas-liquid separation, which is rich in R134a The refrigerant flow is condensed in the condensing evaporator D and then throttled by the low-temperature stage throttle valve F3 to obtain a lower evaporation temperature. The low-boiling point component refrigerant flow is mixed and enters the low-temperature side of the condenser evaporator D to evaporate and absorb heat, and then directly enters the suction por

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 an auto-cascade heat pump with a middle throttling element and an adjusting method thereof. The heat pump comprises a single compressor, a condenser, an air-liquid separator, a condensing evaporator, an evaporator and a throttling valve, wherein non-azeotropic refrigerants containing two or more components are adopted as refrigerants. On the circulation basis of an original auto-cascade heat pump, the middle throttling element is added, the refrigerants at a condenser outlet, which are in a less dryness and undercooling state, can be used for eliminating the negative influence of condenser outlet state change caused by working condition changes on the system performance and taking the effect of obviously optimizing the performance by adjusting the mass flow ratio of the high-boiling point refrigerant and the low-boiling point refrigerant enriched in a middle throttling degree reasonable distribution system. The invention has the advantages of good suitability, simple structure, energy-saving operation and great working temperature difference.

Description

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

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
Owner XI AN 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