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Solar Collector and Mounting Bracket

a technology for mounting brackets and solar collectors, which is applied in the direction of solar heat collector mounting/support, solar heat collector safety, and solar heat collectors with working fluids, etc., can solve problems such as tension, and achieve the effect of reliable and flexibl

Inactive Publication Date: 2009-05-07
VKR HLDG AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007]The first mounting bracket fixes the position of the absorber to the frame, and the risk of the absorber plate getting displaced during transport or mounting of the solar collector is substantially eliminated. The other mounting brackets allow a substantially unhindered thermal expansion of the absorber plate, and this there amount of tension an stress that could otherwise be caused during the large day / night summer / winter and stagnation temperatures fluctuations to which a solar collectors are exposed.
[0018]The mounting bracket may further include a base plate for attaching the mounting bracket to the frame of the solar collector, wherein said base plate is provided with three or more frame facing protrusions to minimize the contact area between the frame and the base plate. By reducing the contact area the heat loss at the connection between the mounting bracket and the frame is minimized. Through going bores in the base plate may coincide with the protrusions, so that fasteners such a pop-rivets or bolts and nuts can be applied there though and through corresponding bores in the frame.
[0022]At least a part of the mounting bracket can be made of a material with a relatively low thermal conductivity, such as stainless steel, to reduce heat loss via the mounting bracket to the frame.

Problems solved by technology

The other mounting brackets allow a substantially unhindered thermal expansion of the absorber plate, and this there amount of tension an stress that could otherwise be caused during the large day / night summer / winter and stagnation temperatures fluctuations to which a solar collectors are exposed.

Method used

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  • Solar Collector and Mounting Bracket
  • Solar Collector and Mounting Bracket

Examples

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Embodiment Construction

[0030]A preferred embodiment of the invention will be described specifically with reference to a flat plate collector assembly although it is understood that other absorber types may be employed with a minimum change in construction.

[0031]FIG. 1 shows by way of illustrative example a flat plate solar energy collector. Seen in cutaway perspective view of FIG. 1 the solar collector has a frame 1, an insulation layer 2, an absorber plate 3 and a cover pane 4. The frame, the insulation layer and the cover pane form a case with an enclosure. The enclosure is used to provide support for the absorber, and to protect the collector from heat loss due to wind, plus the important function of keeping moisture from rain, snow and dew out of the collector.

[0032]The insulation layer 2 is made of a rigid foam urethane (PUR) or polyisocyanurate (PIR). These materials have an excellent insulation value per unit of thickness and are easy to handle because they are very light. They have also a higher c...

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PUM

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Abstract

A solar collector with a rectangular frame (1), preferably made of extruded or rollformed metal, containing an absorber plate (3), an insulating layer (2) beneath the absorber plate (3), and a cover pane (4) spaced above the absorber (3). Absorber tubing (3b.3c) is attached to the rear side of the absorber plate. The absorber (3) is secured to the frame (1) by mounting brackets (11a,11b) that engage the absorber tubing (3b,3c) and allow for substantially unhindered thermal expansion and contraction of the absorber. The collector can be integrated or roof mounted on a pitched roof, or may be installed on a flat roof by means of a mounting frame.

Description

[0001]The present invention relates to solar collectors and mounting brackets, in particular solar collectors that include a rectangular frame, preferably made of extruded or rollformed metal, containing an absorber plate, an insulating layer beneath the absorber plate, and a cover pane spaced above the absorber. Absorber tubing is attached to the rear side of the absorber plate. The collectors can be integrated or roof mounted on a pitched roof, or may be installed on a flat roof by means of a mounting frame.BACKGROUND ART[0002]WO 2004 / 111550 discloses such a type of solar collector. The absorber is simply inserted in the frame or another housing. The absorber is held in place by the connection of the absorber tubes to the frame, but it is also known to hold the absorber in place by imbedding the absorber in the insulation material.[0003]Neither method for securing the absorber is ideal. A stiff connection between the absorber tubes and the frame cannot provide for the required fle...

Claims

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Application Information

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IPC IPC(8): F24J2/00F24S10/75
CPCF16L3/1041F16L3/18F16L3/20F24J2/26F24J2/4636Y02E10/47F24J2/4647F24J2/52F24J2002/5275Y02B10/20Y02E10/44F24J2/464F24S40/80F24S25/00F24S80/30F24S80/40F24S10/75F24S2025/011
Inventor MOLLER, BRENTJACOBSEN, PERNYGAARD, JOHNNY
Owner VKR HLDG AS
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