Patent
Solar energy collecting system
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TLDR
In this article, a solar energy collecting system includes a water tank and a solar collector and a pump for pumping water from the water tank to the solar collector, where a sensor is arranged close to the sensor.Abstract:
A solar energy collecting system includes a water tank and a solar collector and a pump for pumping water from the water tank to the solar collector. A sensor is arranged close to the solar collector. A CPU is connected to the pump and the temperature sensor in order to circulate the water according to the water temperature at the inlet of the solar collector. The water can be circulated in a fast speed when at noon. The water may be heated with a lengthened heating time and may be heated with a smaller temperature difference so as to effectively collect solar energy.read more
Citations
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References
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Patent
Method and apparatus for storing a medium heated by solar energy
TL;DR: In this article, a solar heat collector with three compartments for separating a fluid heat-storing medium into portions, a pump supplying the fluid to the collector and a heat exchanger for heating a house.
Patent
Solar heat system
TL;DR: In this paper, a valve module is provided which finds particular utility in a domestic solar water heater system, which includes a collector, a storage tank, and a circulating pump, and the valve module, upon a signal from the control module, causes the water to drain out of the collector when the temperature of the water in the collector falls to freezing temperatures so as to prevent damage to the collector.
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Differential temperature controller for use in a solar energy conversion system
TL;DR: In this paper, an integrated circuit dc-comparator compares voltage signals representative of sump water and collector water temperatures in a solar energy conversion system and continuously provides a direct current voltage signal from the time that it is sensed that the collector water is 11° F warmer than the sumps water, until such time as it is detected that the collectors water is only 2°F warmer than Sumps water.
Patent
Universal differential thermostat for solar heating system
TL;DR: In this paper, the authors described a thermostat or controller for controlling water circulation in a solar heating system, including a resistant bridge circuit with a solar panel temperature responsive resistance and a storage tank temperature responsive resistances in opposite arms joined at one power input node with a differential comparator connected across the sensing nodes of the bridge.
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Method of controlling a solar system collector loop
TL;DR: In this article, a solar collector with an absorber plate, a heat storage unit and a pump for circulating a fluid between the collector and the storage unit, the stagnation temperature T Q of the collector plate, the storage temperature T S in the unit, and the collector's temperature T C of the plate were measured.