IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0520026
(2007-12-18)
|
등록번호 |
US-8573195
(2013-11-05)
|
우선권정보 |
PT-103618 (2006-12-18) |
국제출원번호 |
PCT/IB2007/055201
(2007-12-18)
|
§371/§102 date |
20090723
(20090723)
|
국제공개번호 |
WO2008/075286
(2008-06-26)
|
발명자
/ 주소 |
- Tinoco Cavalheiro, José Roberto
- Sousa Tavares da Fonseca, Márlo Alexandre
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
15 |
초록
▼
The present invention provides a process for absorbing solar energy and, simultaneously having a continuous control of the light admission making it possible to install the device in external openings of buildings and equipment, such as windows, shutters or skylights. The system comprises two frames
The present invention provides a process for absorbing solar energy and, simultaneously having a continuous control of the light admission making it possible to install the device in external openings of buildings and equipment, such as windows, shutters or skylights. The system comprises two frames which support plates of transparent material, between which it is possible to introduce a colourful solution coming from an external reservoir. Both frames are interconnected through a flexible membrane which allows the plates to be pushed against each other, making the window transparent, or pushed away interposing the colourful solution, which will make the window uniform and gradually translucent or opaque. The said liquid comes from a reservoir and the access to the gap between the plates through is obtained by means of a channel that separates the two frames, allowing the liquid to flow evenly into the whole surface, thus being a homogenous and adjustable darkening obtainable. The inflow or outflow of the liquid between the plates is ruled by the vacuum level inside the reservoir containing the colourful solution. When the window is opaque or partially transparent, the solar energy heats the liquid which is then forced to flow by a circulating pump, passing through a heat exchanger which allows the energy absorption.
대표청구항
▼
1. A smart device for absorbing solar energy and controlling sunlight admission comprising: a pair of transparent plates;a fixed outer frame supporting the transparent plates, configured to be mounted on an outside of a building;a moving inner frame supporting the transparent plates being an inner f
1. A smart device for absorbing solar energy and controlling sunlight admission comprising: a pair of transparent plates;a fixed outer frame supporting the transparent plates, configured to be mounted on an outside of a building;a moving inner frame supporting the transparent plates being an inner frame attached to the fixed outer frame by a flexible membrane, the inner frame configured to be placed inside the building;a channel surrounding the inner frame and which is filled with a liquid;a reservoir connected to the channel by means of a tube that goes through a retaining valve which allows under vacuum a compensation of a liquid column pressure on a base of the transparent plates and;a valve which allows changing thickness of the liquid, thus regulating sunlight admission, the valve being installed in a tube that connects a liquid reservoir to a vacuum system, and the valve provides a connection between the reservoir and the channel;a circulation pump, activated by a switch, that functions when the transparent plates are spaced apart by the liquid, ensuring a cooling process and thermal energy absorption for the window and making the liquid circulate through a heat exchanger;wherein a darkening regulation is carried out simultaneously by valve control which enables air flow into the reservoir through the tube and through the valve which allows a laminar flow of the liquid between the transparent plates, and wherein liquid removal from the channel into a gap between the transparent plates, whose distance is variable and/or adjustable, is made simultaneously through a perimeter of the inner frame. 2. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the liquid, after cooling inside the exchanger, flows back to the bottom of the window through a second tube, located inside the channel. 3. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the vacuum level inside the channel is ensured by a sensor which actuates the valve in order to compensate the pressure of the liquid column inside the window. 4. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the membrane is reinforced with a film in order to resist to the pressure of the liquid column. 5. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, further comprising a safety-valve which allows the partial discharge of the liquid and avoids the increase of pressure between the transparent plates in case of a long-term power failure and subsequent liquid warming. 6. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the fixed outer frame and the moving inner frame are evolved by a fixed hoop which supports two insulating glasses, which allow the creation of two insulating chambers, wherein one of the chambers has a constant thickness between the plates being defined by the dimension of a spacer; and wherein another of the chambers can change its dimension depending on the window's opacity or transparency. 7. The smart device for absorbing solar energy and controlling sunlight admission according to claim 6, further comprising an optional spacer, placed between the bottom of the moving inner frame and the fixed hoop placed on the window's bottom allowing a settlement of the distance between the transparent plates. 8. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the liquid located in the gap between the transparent plates contains anti-fungus, anti-algae, surfactant and anti-freeze products. 9. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the device is able to function on vertical or horizontal positions and be inserted in external equipment or building openings, such as windows, doorways, skylights and be used in vehicles. 10. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the sensor is dispensable and consequently the pressure of liquid column automatic control, when the system works on horizontal or on vertical positions with a high less than 50 cm. 11. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the device can be used simultaneously as a light controller and air cooling device by substituting the heat exchanger with a refrigeration device. 12. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the liquid is a colored liquid. 13. The smart device for absorbing solar energy and controlling sunlight admission according to claim 1, wherein the transparent plates are glass plates.
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