Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Self-tracking sunlight reflective concentrating device based on bistable electrowetting technology

A reflective device and sunlight technology, applied in the direction of use feedback control, etc., can solve the problems of not being able to automatically adjust and requiring precise positioning, and achieve the effects of huge market impact, wide tracking range, and cost reduction

Inactive Publication Date: 2015-12-02
BEIHANG UNIV
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many limitations in solar trajectory tracking, mainly because precise positioning is required before starting operation, and automatic adjustment cannot be performed after errors occur.

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
  • Self-tracking sunlight reflective concentrating device based on bistable electrowetting technology
  • Self-tracking sunlight reflective concentrating device based on bistable electrowetting technology
  • Self-tracking sunlight reflective concentrating device based on bistable electrowetting technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The manufacture and use of the present invention will be described in detail below. The present invention provides an inventive idea that can be used for reference in many specific contexts. This article only illustrates the specific production and specific use of the present invention, but does not limit the application scope of the present invention.

[0018] The invention provides a microfluidic optical technology, which makes the solar photovoltaic power generation system more economically competitive and environmentally sustainable. A solar concentrator based on an innovative microfluidic optics approach is controlled by electrowetting of bistable dielectrics (EWOD) and requires no mechanically moving parts. This high-performance adaptive microfluidic optical solar tracking system integrates high-efficiency CPV photovoltaic cells and a new liquid prism tracking system, which can obtain a wide tracking range and generate maximum energy. Electrowetting reflectors c...

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 present invention discloses a microfluidic optical solar energy reflection device in the solar energy concentration application field. A core technology is a bistable electrowetting on dielectric (EWOD) technology. Two immiscible liquids are arranged in a transparent container, a liquid-liquid-solid tie line is formed along a unit side wall, and a contact angle can be carried out the single-shaft or dual-shaft control by changing the voltage of the unit side wall. A high reflectivity film is arranged between interfaces, and a dynamic sunlight reflection device is formed with the help of an EWOD technology and is used for the real-time tracking of the solar energy and the sunlight turning. The incident sunlight firstly irradiates to the reflection film, then is reflected to a paraboloid reflector, and then is reflected again to a condensation photovoltaic cell (CPV) located on a substrate for the energy conversion. According to the present invention, any mechanical mobile part is not needed, and the comprehensive design enables the large-area solar energy to be concentrated in a smaller CPV, thereby possessing a larger area reduction ratio.

Description

technical field [0001] The invention relates to the application field of solar energy systems, in particular to a reflective concentrating device capable of automatically tracking sunlight based on the bistable electrowetting effect. Background technique [0002] With the rapid development of the global economy and the continuous increase of population, fossil energy such as oil, natural gas and coal is gradually being consumed, and the energy crisis has become a common issue faced by all countries in the world. The solar energy resource is one of the most abundant renewable energy sources. It is widely distributed, renewable, and does not pollute the environment. It is an internationally recognized ideal alternative energy source. But the utilization of solar energy is far from enough, and the reason is mainly that the utilization rate of solar energy is not high. In order to improve the receiving efficiency of solar energy and reduce the cost of using solar energy, a high...

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): G05D3/12
Inventor 刘建胜王娅妮郑铮程江涛
Owner BEIHANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com