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A solar greenhouse metal film heat collection and release device

A technology of solar greenhouse and metal film, applied in the field of solar greenhouse, can solve the problems of waste of heat energy during the day, low temperature of greenhouse, slow heat conduction speed of pebble layer, etc., so as to reduce the use area, increase the heat absorption efficiency, and be conducive to the preservation of heat. Effect

Active Publication Date: 2021-09-21
SUZHOU SAIRONG CONSTITUTION&DECORATION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Finally, the existing heat collection and release device does not adjust the gap between the pebbles, and its heat conductivity is constant; if the gap is too large, it is easy to cause the heat conduction speed in the pebble layer to be too fast, resulting in a lower temperature in the greenhouse in the middle of the night; If the gap is too small, it is easy to cause slow heat conduction in the pebble layer and waste the heat energy stored during the day

Method used

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  • A solar greenhouse metal film heat collection and release device
  • A solar greenhouse metal film heat collection and release device
  • A solar greenhouse metal film heat collection and release device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment one: if Figure 1-7 As shown, a solar greenhouse metal film heat collection and release device is characterized in that: it includes a back slope 1, a wall 2 and a shed surface 3; a wall 2 is connected to the bottom of the back slope 1, and the wall 2 is used to absorb heat energy during the day; There is a shed surface 3 connected to the front of the back slope 1, and the shed surface 3 is transparent, which can accommodate sunlight to shine on the planted crops; a soil layer 4 is provided under the shed surface 3 for planting crops; The heat insulation layer 5 is used for better heat storage of the circulating water layer 6, preventing part of heat energy from radiating from the circulating water layer 6, and at the same time blocking heat energy to prevent the temperature under the soil layer 4 from being too high and thus affecting the growth of crops. A circulating water layer 6 is arranged below the heat insulation layer 5 .

[0034] Body of wall 2 com...

Embodiment 2

[0041] Embodiment two: if Figure 8 As shown, the main difference from the first technical solution is that the gap adjustment device in the pebble layer 12 is realized in a different way, including a hydraulic push rod 22, a second transmission rod 23 and a branch 24; the hydraulic push rod 22 is electrically connected to the power supply 21 Connected, the power supply 21 is used to provide the electric energy of the hydraulic push rod 22; The second transmission rod 23 is provided with a number of branches 24, and when the second transmission rod 23 moves back and forth, the branches drive the pebbles to move.

[0042] The angle formed by the extension direction of the second transmission rod 23 and the branch 24 is an acute angle. . When the second transmission rod 23 moves toward each other, the acute angle is conducive to gathering the pebbles to reduce the gap between the pebbles, and finally reduces the heat conduction efficiency of the pebbles; when the second transm...

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Abstract

The invention discloses a solar greenhouse metal film heat collection and release device, which belongs to the technical field of solar greenhouses and includes a back slope, a wall and a shed surface; a wall is connected under the back slope, and a shed surface is connected in front of the back slope ; The wall is provided with a honeycomb heat absorbing layer and a pebble layer; the honeycomb heat absorbing layer is located in front of the wall, and the honeycomb heat absorbing layer is provided with a honeycomb concave surface and a honeycomb convex surface, and the honeycomb convex surface is provided with a metal Membrane; the pebble layer is located under the honeycomb heat absorbing layer, and the pebble layer is provided with a gap adjustment device. The invention is scientific and reasonable, and safe and convenient to use. The metal film is installed in the concave honeycomb structure to increase heat energy accumulation, which is beneficial to increase the heat absorption efficiency of the metal film, reduce the use area of ​​the metal film, and save costs. Combining the metal film heat collection and release device with the pebble layer improves the utilization rate of heat energy in the concave surface of the honeycomb, reduces the cost of the storage tank, and improves the land utilization rate. The gap adjustment device adjusts the gap between the pebbles, so that the heat transfer rate of the pebble layer is variable.

Description

technical field [0001] The invention relates to the technical field of solar greenhouses, in particular to a solar greenhouse metal film heat collection and release device. Background technique [0002] The solar greenhouse adopts relatively simple facilities, which are composed of a back wall, a supporting frame, a back slope, and covering materials. It is mainly used in the winter cultivation of vegetables in the cold period in northern my country. The solar greenhouse metal film heat collection and release device is a kind of heat collection and release device that does not need to be heated indoors. The heat energy is absorbed by the back wall to realize heat storage and release, and maintain a certain indoor temperature level to meet the needs of vegetable crop growth. [0003] In the existing metal film heat collection and release devices, the metal film is directly installed on the back wall. The solar greenhouse is large in size and heat energy cannot be collected on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G9/14A01G9/24
CPCA01G9/1415A01G9/246Y02A40/25
Inventor 苗蓓
Owner SUZHOU SAIRONG CONSTITUTION&DECORATION ENG CO LTD
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