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A solar heating and ventilation system using solar thermal storage

A solar heating and ventilation system technology, applied in the field of solar heating and ventilation systems, can solve the problems of single application of solar houses, lack of functions of solar houses and energy exertion

Active Publication Date: 2015-09-09
CHINA NORTHWEST ARCHITECTURE DESIGN & RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the application of the solar room is relatively single, for example, it is only used for heating or ventilation, and the function and energy of the solar room are not fully utilized.

Method used

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  • A solar heating and ventilation system using solar thermal storage
  • A solar heating and ventilation system using solar thermal storage
  • A solar heating and ventilation system using solar thermal storage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] during the day (see figure 1 ), the glass roof transmits a large amount of solar radiation, and the solar radiation is mainly short-wave radiation, most of the solar radiation energy is absorbed by the first heat storage body, its temperature rises, and the heat storage phase of the first heat storage body changes At the same time, it also continuously radiates heat to the outside, increasing the temperature of the air in the roof. At this time, the fan can be selectively turned on and off according to the heating demand in the room, and the speed of the fan can be adjusted at the same time to control the amount of air entering the room, so as to achieve the purpose of heating the room, or open the ventilation window and adjust the opening of the window at the same time , to selectively turn on the fan to naturally ventilate the room (see Figure 5 ).

[0036] When the heat storage of the first heat accumulator is completed (see figure 2 , Figure 5 ), its outward ...

Embodiment 2

[0039] A kind of solar heating and ventilation system using solar heat storage according to the present invention can also be directly applied to indoor solar energy storage and utilization with slight modifications, such as omitting the fan, air outlet, and air inlet. The roof can be used directly as an interior.

Embodiment 3

[0041] A solar heating and ventilation system in the form of solar heat storage according to the present invention can also be applied in buildings similar to the sun room type. The schematic diagram of its structure and the working principle of heating and ventilation are shown in Figure 4 with Image 6 .

[0042] The present invention can make full use of solar energy to heat indoors (mainly in winter) or natural ventilation (mainly in spring and autumn) in different seasons or in different time periods of the day, and can be widely used in indoor heating and ventilation in sunny areas. Ventilated occasions.

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Abstract

The invention discloses a solar heating and ventilating system adopting a solar heat-accumulating mode, comprising a heat-accumulating space for absorbing the sunlight, and an indoor space connected with the heat-accumulating space, wherein the heat-accumulating space is separated from the indoor space via a clapboard; the heat-accumulating space comprises a glass top for projecting the sunlight, and a clapboard arranged opposite to the glass top, a first heat-accumulating body is coated on the clapboard, a second heat-accumulating body is coated at the inner side of the roof on which the glass top is located, and ventilating ports are opened in the wall bodies of the both sides of the heat-accumulating space; and the indoor space is composed of a building envelope and a floor. The system combines an active solar heating system with a passive solar heating system, so as to meet indoor heating needs in different time periods or different seasons; and the utilization efficiency of solar energy is increased, so as to achieve the purpose of adequately and comprehensively the solar energy. The arranged ventilating windows can be used for effectively performing natural ventilation on a building (in spring and autumn mainly).

Description

technical field [0001] The invention relates to the technical field of solar heating and ventilation, in particular to a solar heating and ventilation system utilizing solar heat storage. Background technique [0002] Currently, solar heating systems are divided into two types: "active" and "passive" in terms of heat collection. The active solar heating system is basically composed of solar collectors, heat storage devices, transmission equipment and control components, etc., using solar collectors and heat transfer medium to heat indoors through storage and equipment transmission. The most basic working mechanism of passive solar heating system is "greenhouse effect". The outer enclosure structure of a passive solar house should have a large thermal resistance, and the interior should have enough heavy materials, such as masonry, concrete, to maintain a good heat storage performance of the house. The active system has more equipment, complex structure, and large investmen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04D13/17E04D13/18F24D15/02F24F7/00
CPCY02B10/20
Inventor 周敏张寅平侯占魁段海英李晓威
Owner CHINA NORTHWEST ARCHITECTURE DESIGN & RES INST CO LTD
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