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

Device and method of adjusting electronic expansion valve of refrigeration equipment

An electronic expansion valve, refrigeration equipment technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problem of inconsistent indoor ambient temperature without considering the length of the multi-connected system pipeline, achieve accurate evaporation temperature, and improve comfort. , the effect of energy saving and comfort

Active Publication Date: 2013-06-19
四川启睿克科技有限公司
View PDF4 Cites 43 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to propose a method of adjusting the opening degree of the expansion valve according to the length of the pipeline to adjust the refrigeration equipment electronic Apparatus and method for expansion valve

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
  • Device and method of adjusting electronic expansion valve of refrigeration equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A device for adjusting the opening degree of an indoor unit electronic expansion valve of a multi-connected air conditioner, the device comprises a pressure detection unit, a calculation unit, a pipeline length judgment unit, and a superheat correction unit, wherein the pressure detection unit detects the outlet pressure of the condenser , condensing pressure, evaporator outlet pressure, inlet pressure, the pressure drop from the condenser to the evaporator is calculated by the calculation unit, the length of the pipeline is judged by the pipeline length judgment unit, and the superheat correction unit is used for the superheat degree. Adjust and adjust the opening of the electronic expansion valve according to the degree of superheat.

[0038] Of course, the above-mentioned pressure detection unit can also be replaced with a temperature detection unit, and the corresponding saturation pressure value is deduced from the detected temperature value.

Embodiment 2

[0040] A method for adjusting the opening degree of an indoor unit electronic expansion valve of a multi-connected air conditioner, comprising the following steps:

[0041] When the power is turned on for the first time, all indoor units can be turned on, and the electronic expansion valve can be given the same certain opening, such as 100 steps, 120 steps, that is, 1 step to the maximum number of steps, such as 480 steps;

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 relates to the automatic control technology, in particular to an automatic adjustment device and an automatic adjustment method of an electronic expansion valve of refrigeration equipment of online type multiple indoor units. The device of adjusting the electronic expansion valve of the refrigeration equipment comprises the electronic expansion valve, a control module, a detection module, a data processing module, a pipe length judging module and a superheat degree correcting module, wherein the electronic expansion valve and the data processing module are respectively connected with the control module, and the detection module, the pipe length judging module and the superheat degree correcting module are respectively connected with the data processing module. The automatic adjustment device and the automatic adjustment method of the electronic expansion valve of the refrigeration equipment of the online type multiple indoor units have the advantages of being capable of adjusting the open degree of the electronic expansion valve according to the length of a pipeline, accurately adjusting or correcting the superheat degree of the electronic expansion valve in real time so as to more accurately control the evaporating temperature, and therefore energy conservation can be achieved and the comport level of a user can be improved. The automatic adjustment device and the automatic adjustment method of the electronic expansion valve of the refrigeration equipment of the online type multiple indoor units are particularly appropriate for adjustment of open degree of the electronic expansion valve of indoor units.

Description

technical field [0001] The invention relates to automatic control technology, in particular to an automatic adjustment device and method for an electronic expansion valve of an on-line multi-indoor unit refrigeration equipment. Background technique [0002] As a cooling or heating device, air conditioners have become a part of people's lives and improve the comfort of people's lives, but the operation of air conditioners requires a lot of electricity. The operation cycle of the air conditioner is also longer, and under normal circumstances, it is no problem to operate for 10 years. At present, the multi-connected air conditioners on the market have adopted a new technical solution to prevent the refrigerant from drifting during cooling and heating, so that the cooling and heating effect of the system can be improved. [0003] For example, the Chinese patent with the application number CN201110255060.4, the patent name is: control method for preventing refrigerant bias flow ...

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
IPC IPC(8): F24F11/00F25B49/02
Inventor 钟明李越峰高向军李峰聂红雁
Owner 四川启睿克科技有限公司