Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for refrigerant charge determination in a cooling circuit

A cooling circuit and refrigerant technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of time-consuming and expensive, and achieve the effect of less time-consuming

Pending Publication Date: 2020-06-30
比泽尔电子股份公司
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] This known method makes it necessary to bring the cooling circuit and its associated storage unit as well as the equipment for emptying the cooling circuit to the same location and to determine the amount of refrigerant discharged. , so that in short the known method is quite expensive

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
  • Method for refrigerant charge determination in a cooling circuit
  • Method for refrigerant charge determination in a cooling circuit
  • Method for refrigerant charge determination in a cooling circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0103] The invention is described, for example, in connection with a storage unit 10 comprising an insulating housing 12 surrounding a storage volume 14 in which temperature-sensitive goods are contained surrounded by a gaseous medium, in particular air, which holds at a defined temperature level to keep the cargo 16 within a defined temperature range.

[0104] However, the inventive concept may be used in any other environment.

[0105] The storage unit 10 may be eg a storage unit 10 in a supermarket or any other warehouse.

[0106] The storage unit 10 may also be a transportable storage unit such as a truck or trailer or ship or railroad car for transporting goods 16 or a conventional container for transporting goods 16 by truck, train or ship.

[0107] In order to maintain a defined or set temperature range of the cargo 16 , the flow 22 of the gaseous medium 18 starts from the tempering unit 24 and circulates through the volume 14 as a supply gas flow and enters the temper...

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

Method for refrigerant charge determination in a cooling circuit (40), comprising the following steps a loading step comprising loading essentially all refrigerant from the low pressure section (72) into the high pressure section (74) of the circuit by reducing the expansion flow (100), an unloading step admitting the expansion flow (100) of the refrigerant loaded in said high pressure section (74) into said low pressure section (72) and determining the amount of refrigerant flowing in said unloading step from said high pressure section (74) to said low pressure section (72), and calculating on the basis of said amount of refrigerant flowing in said unloading step from said high pressure section (74) to said low pressure section (72) the refrigerant charge in said cooling circuit (40).

Description

technical field [0001] The invention relates to a method for determining the refrigerant charge in a cooling circuit comprising: [0002] low-pressure section and high-pressure section, [0003] a compressor unit for generating a compressed flow of refrigerant from said low-pressure section to said high-pressure section by compressing said refrigerant, [0004] an expansion device for producing an expanded flow of refrigerant from said high pressure section to said low pressure section by expanding refrigerant present in said high pressure section, [0005] an exothermic heat exchanger in the high-pressure section for cooling, especially condensing, the compressed refrigerant, [0006] A heat absorption heat exchanger in the low pressure section for evaporating the expanding refrigerant. [0007] The term "refrigerant charge" in a cooling circuit according to the invention has to be understood as the total amount of refrigerant present in said cooling circuit. Background ...

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 Applications(China)
IPC IPC(8): F25B49/02F25B49/00
CPCF25B49/005F25B49/02F25B2400/19F25B2500/19F25B2500/222F25B2600/2513
Inventor 克雷斯顿·克雅尔·索伦森
Owner 比泽尔电子股份公司