Autonomous Garment With Active Thermal Control And Powered By Solar Cells
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a solar cell and active technology, applied in the field of clothing, can solve the problems of low autonomy of batteries, inability to portability or autonomous systems connected to power lines, addition of thermal control units, etc., and achieve the effect of reducing limitations in portability and autonomy, increasing weight, and efficient management of temperature distribution and power resources
Inactive Publication Date: 2007-08-30
NUMES RAMOS DE CARVALHO BRUNO MANUEL +2
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[0024] The present invention reduces limitations both in portability and autonomy, and allows warming and cooling thermal cycles in the same piece of clothing. One of the main goals o...
Problems solved by technology
Most autonomous systems available on the market generate either heat or cold, and do not have both solutions embedded in the same garment.
Thus, systems connected to power lines are neither portable nor autonomous, and solutions with batter...
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
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[0033] The presented invention refers to an autonomous garment with active thermal control and powered by solar cells.
[0034]FIG. 1 represents a piece of clothing that includes several units for powering, warming, cooling, and controlling the whole system.
[0035]FIG. 2 shows, as an example, a clothing uniform with the illustration of solar cells on the surface.
[0036] In a simple configuration, the system includes one or several pieces of clothing, solar cells (1), batteries (2), resistor circuits (3), refrigeration units (4), and an automatic thermal controller (6). Alternatively or together with the resistors and cooling units use Peltier cells (5), which can be used for heating and cooling. As Peltier cells are able to produce or remove heat in the same unit just by changing the current direction on the cell, garment versatility can be increased. The solar cells convert electromagnetic radiation in electric power, which is used to feed the electric devices. The distribution of res...
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Abstract
The invention refers to an autonomous system and to a method that allows the active thermal control of garments using solar cells as the power source. In the simplest configuration, the system includes a piece of clothing with solar cells (1), a thermal module able to generate heat and cold (3, 4, and 5), and a unit for controlling and monitoring the internal environment (6). In order to increase versatility and to optimize operation conditions, the system includes batteries (2) that can be charged by the solar cells or externally, increasing energy autonomy and improving performance in low radiation conditions. Proper distribution of electric resistors (3) and refrigeration pipes (7) allow a fine-tuning regulation of temperature inside the garment. The garment is developed not only for standard conditions but also for extreme heast and cold environments, being optimised wither for standard solar radiation or other relevant spectral source.
Description
RELATED DOCUMENTS [0001] There are many patents related with this invention. Some documents are associated with heating techniques in garments: WO03059099, EP1197722, US2001047992, DE19835984, U.S. Pat. No. 5,893,991, U.S. Pat. No. 5,643,480, EP0287294, U.S. Pat. No. 4,705,935, FR2577390, US2003006229, and U.S. Pat. No. 4,404,460 that use the thermoelectric effect; FR2752363 mentioning solid and liquid fuels; U.S. Pat. No. 6,439,942 and FR2577116 describing solar arrays; U.S. Pat. No. 4,539,714 utilizes microdendritic solar energy collectors. Other documents are related with cooling procedures in garments: DE19755181 and DE19749436 describe flexible stripes; GB2352385, U.S. Pat. No. 6,125,645, U.S. Pat. No. 5,289,695, and U.S. Pat. No. 5,111,668 include appropriate materials; WO02067707, U.S. Pat. No. 6,257,011, FR2719892, and U.S. Pat. No. 5,217,408 mention forced ventilation by fans; U.S. Pat. No. 5,438,707 uses fans and compressed air; U.S. Pat. No. 6,134,714, US2002073481, US200...
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
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IPC IPC(8): A41D13/005A41D1/00
CPCA41D13/0051A41D1/002A41D13/005
Inventor NUMES RAMOS DE CARVALHO, BRUNO MANUELDOS SANTOS SIMOES, FERNANDO ANTONIOPATRICIO DIAS, RICARDO PAULO
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