JPS58110744A - Snow melting apparatus by utilization of greenhouse type roof - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a snow melting device for snow accumulated on a roof (hereinafter referred to as roof snow), and more specifically, a greenhouse constructed using bent iron plates, transparent plates, and heat insulating plates. This relates to a device that heats the space by introducing waste heat from the room into the molded roof space from outside and from the solar heating room, and melts snow from the roof molded part.

Up until now, the roof-type melting method has been to spray groundwater or heated water onto the roof to melt the snow (see Snow and Ice Vol. 36, No. 1, page 7) However, both methods require a lot of energy. Another method is to use an electric heater, but it still requires a lot of energy. Therefore, these known methods and devices have limitations in their use and are currently not generally available.

Therefore, as a result of extensive research into the practical application of roof-type snow melting processing, the present inventors have found that, as a result of their extensive research, the inventors have found that, in newly built vehicles, folding We devised a device that promotes snow melting by constructing a greenhouse using boards and a three-light resin machine on the side, and introducing solar heat or indoor waste heat into the space. It has been found that this method is much more efficient and practical than any roof-type treatment.The present invention also has the feature that it can be used as is not only in newly constructed houses but also in existing houses. There is.

Next, two embodiments of the present invention will be described with reference to the drawings.

First, looking at the process of this device, it consists of a part that constructs the greenhouse and a part that supplies heat.

Next, concretely, to construct a greenhouse structure roof, as shown in Fig. 1 and Fig. 2, fix the metal frame 3 to the haze 2 with metal fittings 62 so as to sandwich the roof 1. This is installed parallel to the ridge at appropriate intervals of 180aIl so that the upper surface of the metal frame 3 has a slope of 400.

Attach the hinges B vertically and horizontally and firmly. Weld tight frame C to the top of metal frame 3. The folded plate 5 is fixed to the upper part of the tight frame C using bolts C'.

A hole is made at a place about 10 cjm from the end face of the folded plate 5, and a rain gutter 8 is installed under the hole so that snowmelt water can be smoothly discharged. The base 9 of the next outer wall is placed at appropriate intervals 6
01 and attach it on all four sides vertically and horizontally. Next, on the south side, a transparent resin board 7 is attached to the F ground 9 with nails. On the other three sides, attach the outer wall material 6 of the heat insulating board to 9 with nails. In order to effectively let in solar heat through the transparent resin plate 7, the roof surface 1 and wall surface 1' are painted black.

In addition, the distance between the roof surface 1 and the folded plates should be 1 m 1 l on average.In this way, a greenhouse roof can be created, but in order to compensate for the heat t, which is insufficient from solar heat alone, in this space 4, with warm air 42 (
2. The considerations listed in 1 must be taken into consideration. As shown in Figure 2, in order to send the late ripening from the room into the space 4 (2. Ducts 10 are provided at several locations depending on the roof area.

In addition, since this construction method generates condensation from the equipment on the back side of the folded plate, a roof surface to catch it (in the case of new construction, a surface equivalent to 52 mm is required.Furthermore, the folded plate-L is a general A horizontal roof (water slope of 24 m to 54, o) has less snow than a sloped roof. If you use a parabet type roof around a folded plate roof, it is better to avoid snow drifts at the edges, as this can cause snow drifts. .

The case of an existing gable roof will be supplemented and explained below. As shown in Figure 3, a customs resin board 7 is installed on the south side of the gable roof to absorb heat, and insulation boards 6 are installed on the other three sides. Note that since the temperature rises in the spaces 4 and 4' in different ways, the temperature in the space 4 is usually higher) In addition to the duct 10, ducts 10' leading from 4 to 4 are provided at several locations.

Example 1 15-year-old shingled tile roof 73r in Tokamachi City, Niigata Prefecture
We improved the model and conducted snow melting experiments. A rooftop 1=greenhouse was constructed by the method shown in FIGS. 1 to 3.

The specifications of the folded plate used are that the height of the ridges is 13 cm and the distance between the ridges is 275 CIm. The roof structure was made solid (-1 Susushi B was used. Also, in order to improve the airtightness of each part of the roof, the breaks were sealed using a adhesive based on Nurikon to reduce heat loss as much as possible. In addition, the 18L and 1' parts that receive sunlight were painted black to increase heat absorption.

Snow melting experiments were conducted using this device for one month from February 1981 to February 1981. During this period, a thermistor thermometer was set in the space 4 shown in the figure to measure the temperature. The temperature rise was quite different when the sun came out and when the sun did not come out. Even without using any waste heat from indoors when the sun came out, the roof space on February 12th rose by xovt2, and snow melting was promoted considerably.

When we measured the amount of snowmelt at 1:00 p.m. on February 12th, the temperature was approximately 3 degrees, but the temperature was approximately 3 degrees Celsius.

Met. Expressing this in weight, Q cfi/hr, 1
There are m.

If the density of snowfall is 0.1, it will be 0.9ηhr.

If there were 6 hours of sunshine, about 6 acres of snow could be melted. When the temperature of the space is low due to solar heat alone, heat is sent from the room through the duct 1o built on the roof, and the temperature of the space 4 is reduced to 1.
It was possible to increase it to 2TJ. The amount of snow melted at this time reached 1.71 /, lhr, and if it were 01 snow, it would be possible to melt the snow in about 17 countries in 10 hours.

If the building is newly constructed (or it can be used in an existing building), it is possible to further promote the snow melting effect by installing a chin room.

[Brief explanation of the drawing]

FIG. 1 is an explanatory perspective view of an assembly example of a greenhouse type roof according to the present invention. Figure 2 is a sectional view of the same. The third cause is an example of when it is applied to a key house. 1. Roof surface 1', Wall surface inside the greenhouse 2. Mist 3. Gold (
4.4' Space inside the greenhouse 5 Folded plates 6 External wall material for heat insulation plates 7 Transparent resin plates 8. Gutter 9 Groundwork for attaching insulation board and Shonmei board 10. Duct to take in indoor waste heat 1d Duct for inside the gable greenhouse) A)
Metal fittings to securely attach metal frame 3 to mist 2≦−B Sujikai C tight claim Bolt applicant of C tight claim Fumi Netsu Male

Claims (1)

[Claims] Build a greenhouse by using folded plates on the roof, surrounding it with 3-light plates on the sides, and heat insulating plates, and take in solar heat and waste heat from indoor heating to raise the temperature of the space and melt snow. A snow melting device that uses a greenhouse-type roof.