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

A comprehensive application device of solar heat collection and radiation refrigeration

A technology of solar heat collection and radiant cooling, which is applied in heating and cooling combinations, refrigerators, refrigeration and liquefaction, etc., can solve the problems of insufficient cooling power, single radiative cooling function, and lower utilization efficiency per unit area of ​​the roof. Convective heat transfer, reducing the effect of heat loss

Active Publication Date: 2016-03-30
UNIV OF SCI & TECH OF CHINA
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although solar heat collection technology is very mature, due to the influence of day and night, solar heat collectors are often idle at night, which greatly reduces their efficiency; on the other hand, radiant cooling also has a single function and insufficient cooling power. , there is a certain upper limit, which leads to high cost of the device, and it is difficult for the radiant cooling device to achieve the cooling effect during the day. Since the solar flat plate collector or the radiant cooling device is often arranged on the roof of the building with a limited area, this is also greatly reduced. Improve the utilization efficiency of the roof unit area

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
  • A comprehensive application device of solar heat collection and radiation refrigeration
  • A comprehensive application device of solar heat collection and radiation refrigeration
  • A comprehensive application device of solar heat collection and radiation refrigeration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] see figure 1 A comprehensive application device for solar heat collection and radiant cooling includes a box body 7 with an open top surface, and the material of the box body 7 is glass wool insulation material. A group of copper pipes 5 are evenly arranged on the inner bottom of the box body 7, and the two ends of each copper pipe 5 are respectively connected with the header pipes 6, and one end of the two header pipes 6 extends to the outside of the box body 7, and one collector The protruding end of the pipe 6 is the water inlet 1, and the protruding end of the other header 6 is the water outlet 2. see figure 2 and image 3 A heat collecting plate 10 is installed on the uniformly distributed copper tubes 5, and a metal-ceramic coating tape is provided on one side of the heat collecting plate 10 corresponding to the radiation cooling film 9, and the metal-ceramic coating tape is in the solar radiation band of 0.2-3 μm. The absorption rate is 90-95%. Radiation coo...

Embodiment 2

[0029] The material of the box body 7 is slag wool; the side surface of the heat collecting plate 10 corresponding to the radiation cooling film 9 is provided with a black chrome coating; the material of the radiation cooling film 9 is polyethylene terephthalate (PET) film.

[0030] Other structures are with embodiment 1.

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 a device with integrated application of solar heat collection and radiation refrigeration. The device comprises a box body with an open top surface, a heat collection plate, a radiation refrigeration film, an air flow channel, a copper pipe, an air inlet-outlet and a water inlet-outlet, wherein the material of the box body is heat preservation material; a full-wave band high transmittance material film is arranged at an opening of the box body; a solar selective absorption coating coats the heat collection plate; an absorption rate in a solar radiation wave band of 0.2-3 microns is 90-95%; a transmission rate of the radiation refrigeration film in an atmospheric window wave band of 8-13 microns is 80-90%; and a transmittance rate in other wave bands is 70-90%. The device is capable of preparing hot water and hot air in daytime and preparing cold air in night, so that the limitation of single functions of conventional flat-plate solar heat collectors and radiation refrigeration devices can be effectively solved; and the utilization rate of the device and unit area of a building roof can be improved.

Description

technical field [0001] The invention belongs to the field of energy utilization technology, and in particular relates to the comprehensive application of solar heat collection and radiation refrigeration. Background technique [0002] At present, scholars at home and abroad are more concerned with solar heat collection technology, and flat-plate solar collectors are the most basic type of solar heat collectors. They have simple structure, reliable operation, and low cost. With the characteristics of strong pressure bearing capacity and large heat collection area, it is one of the best collector types for the combination of solar energy and buildings. On the other hand, domestic and foreign scholars started relatively late in the research on radiant cooling technology, and the progress is relatively slow. The so-called radiative cooling refers to the radiative heat exchange between objects on the ground and the outer space with very low temperature through the 8-13 μm band o...

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): F25B27/00F25B29/00
Inventor 裴刚胡名科郑仁春季杰
Owner UNIV OF SCI & TECH OF CHINA