Installation for cultivating plant cultures
First Claim
1. An installation for cultivating plants and the like comprising:
- a cover device for protecting the ground at which the plants are grown from damaging radiation of the sun;
a support device for supporting the cover device;
said cover device comprising a number of pivotable, substantially cylindrical parabolic reflectors each having a focal line;
a respective conduit provided along the focal line of each parabolic reflector for conveying a heat carrier;
an adjustment mechanism for pivoting the reflectors about their lengthwise axis;
a circulation system for circulating the heat carrier;
said circulation system encompassing a feed pump and said conduits;
a control device for actuating said adjustment mechanism;
said control device being constucted such that when the sun is shining the reflectors are automatically positionally adjusted in accordance with the position of the sun and simultaneously throw shade upon the ground and the solar energy taken-up by the reflectors is removed;
a heat storage for the storage of the removed heat;
said control device having means controlling said circulation system in the absence of the sun'"'"'s radiation such that said reflectors are aligned with respect to the ground such that heat is radiated from the heat storage to the ground.
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Accused Products
Abstract
An installation for cultivating plant cultures comprising a cover device for protecting the ground at which the plants are grown from damaging radiation of the sun, and a support device for supporting the cover device. The cover device comprises a number of pivotable, substantially cylindrical parabolic reflectors. Along the focal lines of these parabolic reflectors there is arranged a respective conduit for conveying a heat carrier. An adjustment mechanism pivots the reflectors about their lengthwise axis. A circulation system for the heat carrier is provided and encompasses a conveyor or feed pump and the aforementioned conduits. A control device actuates the adjustment mechanism and is structured such that when the sun is shining the reflectors are automatically positionally adjusted in accordance with the position of the sun and at the same time the ground is shaded and the energy of the sun absorbed by the reflectors is removed.
51 Citations
9 Claims
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1. An installation for cultivating plants and the like comprising:
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a cover device for protecting the ground at which the plants are grown from damaging radiation of the sun; a support device for supporting the cover device; said cover device comprising a number of pivotable, substantially cylindrical parabolic reflectors each having a focal line; a respective conduit provided along the focal line of each parabolic reflector for conveying a heat carrier; an adjustment mechanism for pivoting the reflectors about their lengthwise axis; a circulation system for circulating the heat carrier; said circulation system encompassing a feed pump and said conduits; a control device for actuating said adjustment mechanism; said control device being constucted such that when the sun is shining the reflectors are automatically positionally adjusted in accordance with the position of the sun and simultaneously throw shade upon the ground and the solar energy taken-up by the reflectors is removed; a heat storage for the storage of the removed heat; said control device having means controlling said circulation system in the absence of the sun'"'"'s radiation such that said reflectors are aligned with respect to the ground such that heat is radiated from the heat storage to the ground. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A greenhouse installation for cultivating plants and the like comprising:
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cover means for protecting a cultivating medium in which the plants are grown from damaging radiation of the sun, said cover means comprising a plurality of arcuate solar reflectors each having a focal line; means for pivoting each reflector about an axis parallel to its focal line; conduit means arranged along the focal line of each reflector for collecting solar energy in a heat carrier conveyed therethrough; circulation means connected to said conduit means for circulating the heat carrier through said conduit means and for storing collected solar energy; and means for controlling said circulation means and pivoting means to selectively position said reflectors (1) toward the sun in the presence of direct radiation from the sun such that solar energy is collected and stored as heat and the cultivating medium is shaded by said reflectors and (2) toward the cultivating medium in the absence of radiation from the sun such that the stored heat is radiated to the cultivating medium. - View Dependent Claims (8, 9)
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Specification