JP2597243B2 - How to melt snow in a solar system house - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for melting snow in a solar system house using solar energy by air.

[0002]

2. Description of the Related Art It has long been practiced to open a large opening on the south side of a house to receive a large amount of winter solar radiation and to open a part of it in summer for ventilation. Taking this one step further, a sunroom is created outside the living room, and this is used as a greenhouse to take warm air from here into the living room. The applicant has previously proposed and applied for a solar system house that promotes this reasonably and can effectively use air collected by sunlight without being limited to the direction. Japanese Patent Application No. 61-311485 (Japanese Patent Application Laid-Open No. 63-165633) and Japanese Patent Application No. 62-234666 (Japanese Patent Application Laid-Open No. 64-75858) are such.

Referring to FIG. 2, an air flow passage 2 having a roof slope is formed immediately below a roof plate 1, and the lower surface thereof is formed as a heat insulating layer 25 provided with a heat insulating material such as glass wool. One end of the air flow path 2 is opened as an outside air inlet 3 in the underside of the eaves or the space behind the hut for ventilation in the hut, and the other end is connected to a ridge duct 4 as a heat collection box made of a heat insulating material. 6. A fan 7, and a flow path switching damper 8 are provided. One of the outlet sides of the flow path switching damper 8 is provided with a handling box 5 which is opened to the outside by an exhaust duct 9 in an attic space. The inflow side of the prevention damper is communicated with the ridge duct 4, and one of the outflow sides of the flow path switching damper 8 is connected to the upper end of the falling duct 10. The lower end of the falling duct 10 has thermal storage clay concrete 11 and floor panels
12 and open to the air flow space 13 between the air flow space 13
An outlet 14 from the room to the room was provided.

A hot water supply coil 15 is provided in the handling box 5 between the backflow prevention damper 6 and the fan 7, and the hot water supply coil 15 is connected to a hot water storage tank 17 by a circulation pipe 16. An auxiliary boiler 18 for firing is provided on the way,
Connect the hot water supply pipe to the bathroom, washroom, and kitchen.

[0005] In this manner, the roof plate 1, which is a metal plate heated by sunlight, warms the outside air entering the air passage 2,
This warmed air rises along a gradient. And
The heated air is collected in the ridge duct 4, enters the handling box 5 by the fan 7, flows down from the handling box 5 in the falling duct 10, and flows into the air circulation space 13 between the thermal storage clay concrete 11 and the floor panel 12. Enter.
In this air circulation space 13, the heated air directly warms under the floor via the floor panel 12, stores heat in the thermal storage clay concrete 11, and is directly blown into the room as warm air from the outlet 14. Performs three heating functions.

On the other hand, a hot water supply coil 15
The water sent from the hot water storage tank 17 is heated and stored as hot water in the hot water storage tank 17, and is further re-heated by an auxiliary boiler 18 for additional heating as needed from the hot water supply pipe to supply hot water to various places. .

By the way, in a season such as summer when the temperature is high and heating is not required, it is necessary to discharge all the heated air heated by the roof panel 1 to the outside air and discard it. In this case, if the falling duct 10 which is one of the outflow sides is closed by the flow path switching damper 8 and the exhaust duct 9 which is the other one of the outflow sides is opened, the heated air is discharged from the handling box 5 through the exhaust duct. Discarded outside through 9. Since the hot air passes through the handling box 5 to heat the hot water supply coil 15, it is ensured that hot water can be obtained by utilizing solar heat even at high temperatures such as in summer.

[0008]

In such a solar system house, since the roof shingle 1 is a heat collecting plate, if the roof is covered with snow, heat is not collected and the system cannot be used effectively.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned disadvantages, and when heating air collected by sunlight is used for heating, snow can be removed from a roof of a solar system house by using the equipment as it is at low cost. It is to provide a method.

[0010]

In order to achieve the above object, the present invention forms an air flow path having a roof slope with one end opened directly under a roof plate, and the other end of the air flow path is formed of a heat insulating material. It is connected to the ridge duct as a heat box, a backflow prevention damper, a fan and a flow path switching damper are provided, and one of the outflow sides of the flow path switching damper is installed with a handling box which is opened to the outside by an exhaust duct,
The inflow side of the backflow prevention damper of this handling box is communicated with the ridge duct, the other end of the flow path switching damper is connected to the upper end of the falling duct, and the lower end of the falling duct is connected to the heat storage concrete and floor panel. In a solar system house having an opening in the air circulation space between the solar system house and the air outlet from the air circulation space to the room, the fan can be rotated forward and backward, and further, the air circulation space between the heat storage soil concrete and the floor panel is provided. A pit is formed by excavating the heat storage soil concrete, and an auxiliary heating device is installed in this pit, and the fan is reversed and the auxiliary heating device is operated to create an air circulation space between the heat storage soil concrete and the floor panel. Heating certain warm air or warm air in a room with an auxiliary heating device to produce high-temperature air, and air with a roof slope directly below the shingle Feed the road, by warming the roof plate,
The main point is to melt the snow accumulated on the roof from below and promote snowfall.

[0011]

According to the first aspect of the present invention, when the heat is not collected at night or the like, even if the fan is stopped, the heat stored in the heat storage clay concrete is radiated to heat the floor, but the fan is reversed in the morning and the like. Then, warm air in the air circulation space between the thermal storage clay concrete and the floor panel enters the handling box from the falling duct, and is sent from the handling box to the air flow path with the roof slope directly under the roof panel via the ridge duct. Can be The warm air warms the roof shingles, so that the snow on the roof melts from the bottom and becomes slippery, which encourages snowfall. The warm air in the room also flows backward through the air outlet into the room, enters the air circulation space between the thermal storage clay concrete and the floor panel, and is similarly sent directly below the roof panel.

Further, by operating the auxiliary heating device, the air to be sent directly below the roof slab can be made warmer to enhance the snow melting effect.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a vertical sectional front view showing one embodiment of a method for melting snow of a solar system house of the present invention. The solar system house itself may be exactly the same as that shown in FIG. However, a fan that can rotate the fan forward and backward is used.

As described above with reference to FIG. 2, the handling box 5 is provided with the backflow prevention damper 6, the fan 7, and the flow path switching damper 8, and the inflow side of the backflow prevention damper is communicated with the ridge duct 4 so that the One of the outflow sides of the road switching damper 8 is connected to the upper end of the falling duct 10.

The inflow side of the backflow prevention damper 6 of the handling box 5 is connected to the ridge duct 4, and the inflow side of the backflow prevention damper 6 is also connected to the circulation duct 22 which is opened into the room by a suction port 23 at the ceiling or the like. The backflow prevention damper 6 is connected as a flow path switching damper for switching the flow path between the ridge duct 4 side and the circulation duct 22 side. Further, if the room provided with the suction port 23 in which the circulation duct 22 is opened is the second floor, if the floor panel 12 provided with the air outlet 14 into the room is on the first floor, the room has a blow-through structure and air is blown out. It is desirable to allow free flow.

As shown in FIGS. 3 to 7, the handling box 5 forms a connection port 30 connected to the ridge duct 4 and a connection port 31 of the circulation duct 22, and the backflow prevention damper 6 has a plate supported at one end. The connection port is configured by rotating around an axis.
Either 30 or the connection port 31 is closed. A hot water supply coil 15 is disposed in front of the fan 7, an exhaust duct connection port 35 and a falling duct connection port 36 are provided, and a rotating plate is provided between the connection ports 35 and 36 in the middle in the width direction. A certain flow path switching damper 8 was provided.

Further, a partition plate 37 for horizontally partitioning the exhaust duct connection port 35 is protruded toward the inside of the handling box 5, and an end of the partition plate 37 is bent downward to form a locking flange 37a. In this way, when the flow path switching damper 8 closes the falling duct connection port 36, one end engages with the locking flange 37a and the falling duct connection port 36
And the lower half of the exhaust duct connection port 35.

As shown in FIG. 1 and FIG. 2, the hot water supply coil 15 is connected to a hot water storage tank 17 by a circulation pipe 16, and an auxiliary boiler 18 for additional heating is provided in the hot water storage tank 17 so as to provide a bath or a hot water. Washroom,
Connect the hot water supply pipe 24 to the kitchen. On the other hand, the lower end of the falling duct 10 is opened to the air circulation space 13 between the heat storage soil concrete 11 and the floor panel 12, and the air circulation space
An outlet 14 is provided from 13 to the room. A pit 20 is formed by digging the thermal storage clay concrete 11, and a fan vector 21 is installed here as an auxiliary heating device. The heat source coil of the fan vector 21 is connected to a heating-only boiler incorporated in the auxiliary boiler 18.

Next, the method of the present invention performed using such an apparatus will be described. During heat collection in winter, the backflow prevention damper 6 closes the connection port 31 of the circulation duct 22 and opens the connection port 30 connected to the ridge duct 4 as shown in FIG. Further, the flow path switching damper 8 closes the exhaust duct connection port 35, and connects the fan 7 to the falling duct connection port 36. The roof plate 1 as a metal plate warms the outside air that has entered the air flow path 2, and the heated air rises along the gradient and is collected in the ridge duct 4, and is then transferred to the handling box 5 by the fan 7 that rotates forward. Entering and falling duct 10 from handling box 5
After flowing down, the air enters the air circulation space 13 between the thermal storage clay concrete 11 and the floor panel 12. In this air circulation space 13, the heated air directly warms the floor below the floor panel 12 and
Heat storage is performed in three ways, that is, heat is stored in the heat storage soil concrete 11 and that the hot air is directly blown into the room from the outlet 14 as warm air. On the other hand, the hot water supply coil 15
The water sent from the hot water storage tank 17 is heated and stored as hot water in the hot water storage tank 17, and is further re-heated by an auxiliary boiler 18 for additional heating as needed from the hot water supply pipe to supply hot water to various places. .

As shown in FIG. 5, when heat is not collected in winter, such as at night, the backflow prevention damper 6 is connected to the building duct 4 by a connection port.
30 is closed, and the connection port 31 of the circulation duct 22 is opened. If the fan 7 is driven in normal rotation in this state, the indoor air will be
Then, it enters the handling box 5 through the circulation duct 22, flows down from the handling box 5 through the falling duct 10, enters the air circulation space 13 between the heat storage soil concrete 11 and the floor panel 12, and enters the heat storage soil concrete. 11 is heated by the heat to be radiated, is blown into the room from the outlet 14 as warm air, and repeats the circulation entering the inlet 23 again. In this case, hot water is not collected by hot water supply coil 15. In addition, when the amount of heat is insufficient only by the heat release from the heat storage soil concrete 11, the fan vector 21 is operated as an auxiliary heating device.

In order to melt snow in winter, the backflow prevention damper 6 closes the connection port 31 of the circulation duct 22 and connects to the ridge duct 4 as shown in FIG.
Open 30. Further, the flow path switching damper 8 closes the exhaust duct connection port 35, and connects the fan 7 to the falling duct connection port 36.

When the fan 7 is reversed in the morning or the like in this manner, warm air in the air circulation space 13 between the thermal storage clay concrete 11 and the floor panel 12 enters the handling box 5 from the falling duct 10, and the handling box 5 From 5, through a ridge duct 4, the air is sent to an air flow path 2 having a roof gradient just below the roof panel 1. Then, the warm air warms the shingle 1, so that the snow accumulated on the roof melts from the lower surface and becomes slippery, which promotes falling snow. Note that the warm air in the room also flows backward through the air outlet 14 and enters the air circulation space 13, and is similarly sent directly below the shingle 1.

At the same time, the fan vector 21 as a time auxiliary heating device is operated to make the air sent directly below the roof slab 1 warmer and enhance the snow melting effect.

On the other hand, during summer heat collection, as shown in FIG.
The backflow prevention damper 6 closes the connection port 31 of the circulation duct 22 and opens the connection port 30 connected to the ridge duct 4. Further, the flow path switching damper 8 closes the space between the fan 7 and the falling duct connection port 36, and connects the fan 7 to the exhaust duct connection port 35. In this state, the backflow prevention damper 6 has a partition plate 37 at one end.
The falling duct connection port 36 is engaged with the locking flange 37a at the end.
And the lower half of the partition plate 37 of the exhaust duct connection port 35.

When the fan 7 is driven, the heated air collected in the ridge duct 4 enters the handling box 5, heats the hot water supply coil 15, flows through the exhaust duct 9 through the exhaust duct connection port 35, and is discarded outside. Can be At this time, the air sent directly from the fan 7 to the exhaust duct 9 gives an attractive force to the falling duct 10, and the air under the floor flows to the exhaust duct 9 via the falling duct 10 and the falling duct connection port 36. Because it is sucked, ventilation under the floor can be performed at the same time.

Further, when the hot water is not collected by the hot water supply coil 15 in summer, when the heat is not collected, the backflow prevention damper 6 closes the connection port 30 connected to the ridge duct 4 as shown in FIG. Open the connection port 31. If the fan 7 is driven in this state, the indoor air enters the handling box 5 from the suction port 23 through the circulation duct 22, flows through the exhaust duct 9 through the exhaust duct connection port 35, and is discarded outside. Therefore, it is possible to ventilate the indoor air,
The air that is sent into the down duct 10 attracts the air,
Ventilation under the floor can be performed simultaneously.

[0027]

As described above, in the method for melting snow of a solar system house according to the present invention, the air flowing through the air flow path extending directly under the roof plate along the slope of the roof is heated by solar heat, and the heated air is collected by a heat collecting box made of a heat insulating material. The heated air collected in this ridge duct is sent between the heat storage clay concrete and the floor panel through the handling box with a built-in fan and the falling duct from this handling box, and directly heated air A solar system house that performs three types of heating functions: warming the floor, blowing heated air into the room from a hot air outlet, and storing heat of the heated air in thermal storage clay concrete. Can be used to remove snow on the roof at low cost.

[Brief description of the drawings]

FIG. 1 is a vertical sectional front view showing one embodiment of a method for melting snow of a solar system house of the present invention.

FIG. 2 is a vertical sectional front view showing an overall outline of a solar system house used in the method of the present invention.

FIG. 3 is an explanatory diagram at the time of snow melting in winter.

FIG. 4 is an explanatory diagram at the time of heat collection in winter.

FIG. 5 is an explanatory diagram during non-heat collection in winter.

FIG. 6 is an explanatory view at the time of summer heat collection.

FIG. 7 is an explanatory diagram during non-heat collection in summer.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Roof board 2 ... Air flow path 3 ... Outside air intake 4 ... Building duct 5 ... Handling box 6 ... Backflow prevention damper 7 ... Fan 8 ... Flow path switching damper 9 ... Exhaust duct 10 ... Falling duct 11 ... Heat storage clay concrete 12 ... floor panel 13 ... air circulation space 14 ... outlet 15 ... hot water supply coil 16 ... circulation pipe 17 ... hot water storage tank 18 ... auxiliary boiler 19 ... snow 20 ... pit 21 ... fan vector 21b ... pipe 22 ... circulation duct 23 ... suction Port 24 ... Hot water supply pipe 25 ... Heat insulation layer 30, 31 ... Connection port 35 ... Exhaust duct connection port 36 ... Falling duct connection port 37 ... Partition plate 37a ... Locking flange

──────────────────────────────────────────────────続 き Continuation of front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical indication F24J 2/00 F24J 2/00 Z (56) References JP-A-64-75858 (JP, A) JP-A-62-164947 (JP, A) JP-A-61-6522 (JP, A) JP-A-59-170164 (JP, U)

Claims (1)

(57) [Claims] An air flow path having a roof slope with one end opened directly below the roof plate is formed, and the other end of the air flow path is communicated with a ridge duct as a heat collection box made of a heat insulating material. A fan and a flow path switching damper are provided, and one of the outflow sides of the flow path switching damper is provided with a handling box which is opened to the outside by an exhaust duct, and the inflow side of the backflow prevention damper of the handling box communicates with the ridge duct. The other end of the flow path switching damper is connected to the upper end of the falling duct, and the lower end of the falling duct is opened to the air circulation space between the heat storage soil concrete and the floor panel. In a solar system house with an air outlet to the room, the fan can be rotated forward and backward, and the space between the thermal storage clay concrete and the floor panel In the distribution space, a pit is formed by excavating the thermal storage clay concrete, an auxiliary heating device is installed in this pit, the fan is reversed, and the auxiliary heating device is operated to allow air to flow between the thermal storage clay concrete and the floor panel. The warm air in the space and the warm air in the room are heated by an auxiliary heating device to produce high-temperature air, which is sent to an air flow path with a roof slope directly below the roof shingle, and the roof shingle is heated to remove snow on the roof. A snow melting method for a solar system house, characterized by melting snow from a lower surface to promote falling snow.