Window unit

 

(57) Abstract:

The invention relates to window constructions, installed in window openings of buildings. The window unit includes a cover, a translucent material glazing and translucent heat-reflecting coating, located at the height of the opening. Transparent heat-reflecting coating is uneven in height glazing thicknessxand the degree of blacknessxdefined respectively by the formulas:x= o+A(X/h(1,2))n;x=o+B(X/h(1,2))mwhere X is the distance from the bottom of the opening area from the condition O<X; h1h2-the height of the section with heat-reflective coating,x--the thickness of the spray at a distance of Xo-local degree black translucent heat-reflecting coating on the distance Xo-local degree black translucent cover at the bottom of the glazing X=0,a,b,m,n, are constant coefficients determined from the condition of conservation of standardized lighting placement options, while achieving the greatest gains in thermal protection (m0; n0). The invention will increase thermal resistance of window units with single perepletenni on the working surface, remote from the opening area. 3 C.p. f-crystals. 7 Il.

The invention relates to window constructions with single covers with one - and two-chamber double-glazed Windows, separate and coupled covers installed in window openings of buildings.

The closest known is the window block containing binding, translucent material glazing and translucent heat-reflecting coating (screen), located at the height of the opening (patent RU N 2091557, CL E 06 B 9/00, 1997).

The disadvantage of the window block is that the heat-shielding coating has a low transmittance. When applying thermal barrier coatings with a low degree of blackness ( < 0,2) on glass or film significantly (from 20% to 80%) reduced their transmission and decreases the level of illumination on the working surface of the room. This design is closest to the invention to the technical essence and the achieved result.

The technical result from the use of is increasing thermal resistance of window units with single covers with one - and two-chamber double-glazed Windows, separate, coupled covers almost without losing light on m binding, a translucent material glazing and translucent heat-reflecting coating, located at the height of the opening, the light transparent heat-reflecting coating is uneven in height glazing thicknessxand the degree of blacknessxdefined, respectively, by formulas

< / BR>
< / BR>
where: X is the distance from the bottom of the opening area from the condition 0 < X < h(1,2),

h1h2- the height of the section with heat-reflective coating

xthe thickness of the coating on the distance X,

0the thickness of the coating at the bottom of the glazing X=0,

x- local degree black translucent heat-reflecting coating on the distance X,

0- local degree black translucent cover at the bottom of the glazing X=0,

A, B, m, n with constant coefficients, determined from the condition of conservation of standardized lighting placement options, while achieving the greatest effect of improving thermal insulation (m0, n0).

When this transparent heat-reflecting coating can be formed by sputtering and is decreasing as the distance from the bottom edge of the glazing density. Transparent heat-reflecting coating m the inner side of the dot fasteners or by using a spacer frame or double-sided adhesive tape or glue. In addition, translucent heat-reflecting coating can be made of a multilayer.

The invention is illustrated by drawings, where

- Fig. 1 shows a window unit with a single wooden sash and paned glass with uneven heat-reflective coating

- Fig. 2 depicts a window unit with a single wooden sash double and triple glazing with uneven heat-reflective coating

- Fig. 3 depicts a window unit with separate wooden sash and fixed on the outer cover of translucent material with uneven heat-reflective coating

- Fig. 4 depicts a window unit with separate wooden sash and paned glass with uneven heat-reflecting coating on the inner cover,

- Fig. 5 depicts a window unit with paired wooden sash and fixed on the outer cover of translucent material with uneven heat-reflective coating

- Fig. 6 depicts a window unit with paired wooden sash and fixed to the inner cover of translucent material with neravnomernym heat-reflective coating

- Fig. 7 depicts a window Blo is aloetrade the floor.

High thermal properties subject standardized lighting options has a window design with single covers with one (1) and double (2) double-glazed Windows, separate, coupled covers uneven selective heat-reflective coating (3) (screen), applied to the bottom of the glass (4). Height, the transmittance and the degree of blackness of the coating is determined from the conservation of optical properties in the reference points of the premises and the maximum increase of thermal resistance of the structure. As is known, the distribution of brightness cloudy sky obeys the law of moon-Spencer (Architecture of civil and industrial buildings, so 2, design Bases, edited by John C. M, M, 1976) and the reduction of transmittance of the lower part of the glazing to a much lesser extent affects the reduction svetotekhnicheskikh properties in the reference points of the space remote from the opening area. Due to the gradual decrease of the density of the coating (as the distance from the bottom edge of the glazing), the transmittance is increased, almost without affecting the optical perception of the external space and not reducing the level of light in a sometimes from the point of view of the condensation and formation of ice accumulation. Causing uneven heat-reflecting coating on the bottom of the glass will give the opportunity to improve and adjust the temperature of the inner surface of the glazing. This technical result is achieved due to the fact that one of glazing layers, depending on the design decisions binding (see Fig. 1-7), apply one or two coats of heat-reflecting coating of uneven thickness. The greatest thickness at the bottom of the glass. The height of deposition is determined from the condition of conservation of the normalized optical parameters at a point remote from the aperture. The greatest thickness of the coating is at the bottom of the glass.

In the cases shown in Fig. 3, 5, 6 translucent material coated with heat-reflective coating is attached to the cover with the outer (Fig. 3, 5) or internal (Fig. 6) side dot fasteners with the spacer frame and/or using double-sided adhesive tape (probably just glue). The film is desirable to use heat shrink. Using Windows in single, twin and separate sashes printed uneven heat-reflecting coating significantly increases thermal resistance of the structure, almost no red eye reduction is transparent heat-reflecting coating and its degree black

Consider the simplest variant: on the glass, the degree of blackness which0= 0,94, to a height of h1= 0,5 h0(where h0- the height of translucent material) deposited uniformly decreasing linearly heat-reflecting coating (n= 1, m= 1). The thickness of the single layer heat-reflecting coating at the bottom of the glazing x = 0-0= 0,0001 m, the degree of blackness at the bottom of the glazing x = 0-0= 0,1. Then:

< / BR>
< / BR>
For each specific area, the value of h1is selected individually from the condition of conservation of the normalized optical parameters at a point remote from the aperture.

1. Window unit comprising a cover, a translucent material glazing and translucent heat-reflecting coating, located at the height of the opening, wherein the transparent heat-reflecting coating is uneven in height glazing thicknessxand the degree of blacknessxdefined respectively by formulas

< / BR>
< / BR>
where X is the distance from the bottom of the opening area from the condition 0 < X < h (1,2);

h1h2- the height of the section with heat-reflective coating;

xthe thickness of the coating on the distance X;

0- thickness napitralski coating on the distance X;

0- local degree black translucent heat-reflecting coating at the bottom of the glazing X = 0;

A, B, m, n with constant coefficients, determined from the condition of conservation of standardized lighting placement options for achieving the greatest effect of improving thermal performance (m 0, n 0).

2. Window unit under item 1, characterized in that the transparent heat-reflecting coating is formed by spraying and is decreasing as the distance from the bottom edge of the glazing density.

3. Window unit under item 1, characterized in that the transparent heat-reflecting coating is performed mainly in the form of shrink film and attached to the cover with outer and/or inner side of the dot fasteners or by using the spacer frame, or two-sided adhesive tape, or glue.

4. Window unit under item 1 or 3, characterized in that the transparent heat-reflecting coating is made of the multilayer.

 

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