KR102149423B1 - Door leaf for preventing dew condensation and fire door having the same - Google Patents

Abstract

The present invention provides a door and a fire door including the same.
The door has a plate-shaped inner plate portion, a plate-shaped outer plate portion, and an edge of the inner plate portion and the outer plate portion, which is provided to be spaced apart from the inner plate portion to form an insulating space that is a space between the inner plate portion. And an edge portion provided to the outside of the insulation space, provided in the insulation space, and provided at the edge of the inner plate portion and the outer plate portion along the edge portion, and heat from the inner plate portion to the heat insulation space and the And a heat transfer member connecting the inner plate portion to the heat insulating space and the edge portion so as to be a heat transfer path transmitted to the edge portion.

Description

Door leaf for preventing condensation and fire door including it {DOOR LEAF FOR PREVENTING DEW CONDENSATION AND FIRE DOOR HAVING THE SAME}

The present invention relates to a door that prevents the occurrence of condensation and a fire door including the same.

In general, fire doors are installed at entrances to buildings or at the entrances of apartments to prevent intrusion or spread of smoke and heat when a fire occurs.

1, a conventional fire door 1 is shown.

Referring to FIG. 1, the fire door 1 includes a door frame 2 installed at the entrance and a door leaf 3 that opens and closes the entrance. The door leaf 3 can be opened and closed by rotation including the handle 4 and the hinge 5.

In the conventional fire door 1, when the outside temperature is low, such as in winter, the cold air from the outdoor side is transmitted to the interior through the door frame and door leaf frame made of iron. As a result, the temperature at the edge of the door may fall below the dew point, and condensation may occur.

Conventionally, in order to prevent such condensation, a method of filling an insulating material inside the door 3, adding a complex device such as an electric heating element or duct, or installing a gasket between the door 3 and the door frame 2 is used. have.

However, even in the case of using the conventional method, since cold air from the outdoor side is transmitted along the edges of the door frame 2 and the door leaf 3, the temperature at the edge of the door leaf is lowered, and condensation still occurs.

The present invention has been conceived to solve the above-described problems, and an object of the present invention is to provide a door and a fire door including the same, which prevents condensation on the door by increasing the temperature of the edge of the door.

In order to achieve the above object, the door leaf according to the present invention is provided in a plate shape, and includes an inner plate portion including a first area, which is an area including a center, and a second area, which is an outer edge area of the first area. , Provided in the heat insulating space along the edge of the plate-shaped outer plate portion, the inner plate portion and the outer plate portion provided in a spaced apart from the inner plate portion to form an insulating space that is a space between the inner plate portion, the A heat transfer member extending in a direction from the first region of the inner plate toward the edge of the heat insulating space so as to become a heat transfer path for transferring heat from the first region of the inner plate to the edge of the second region and the heat insulating space Includes.

It is provided along the outer circumferential direction of the insulating space, further comprising an edge portion connecting the edge of the outer plate portion and the edge of the inner plate, the heat transfer member comprises the first region of the inner plate portion, the heat insulating space, and the edge The heat transfer member may include: a first part including a first end contacting the first region of the inner plate and extending from the first end toward the outer plate; And a second part that is bent at an end of the first part and extends in a direction toward the rim, and has a second end contacting the rim.

In addition, the fire door according to the present invention, the door frame installed at the edge of the opening; And a door that is rotatably coupled to the door frame and installed to open and close the door frame, wherein the door leaf is provided in a plate shape and includes a first area that is an area including a center, and an outer side of the first area. An inner plate portion including a second area that is an edge area; A plate-shaped outer plate provided spaced apart from the inner plate portion to form an insulating space that is a space between the inner plate portion; An edge portion provided along the outer circumferential direction of the heat insulating space and connecting an edge of the inner plate portion to an edge of the outer plate portion; And a heat transfer path provided in the heat insulating space along edges of the inner plate part and the outer plate part, and transferring heat of the first region of the inner plate part to the second region and the edge of the heat insulating space, the inner plate part. And a heat transfer member extending in a direction from the first region of the heat insulating space toward an edge of the heat insulating space, and connecting the first region of the inner plate portion with the heat insulating space and the edge portion, wherein the heat transfer member includes the inner plate portion A first part including a first end contacting the first region of the first part and extending in a direction from the first end toward the outer plate; And a second part bent at an end of the first part, extending in a direction toward the edge, and having a second end contacting the edge.

When the door and the fire door including the same according to the present invention are used, the temperature of the edge of the door is increased by the heat transfer member, so that the temperature at the edge of the door is prevented from falling below the dew point, and condensation on the door can be prevented. .

1 is a front view showing a conventional fire door.
2 is a perspective view showing a door leaf according to an embodiment of the present invention.
3 is a front view of the door of FIG. 2 as viewed from the front.
4 is a side view of the door of FIG. 2 as viewed from the side.
5 is a top view of the door of FIG. 2 as viewed from the top.
6 is an enlarged cross-sectional view of an enlarged portion of the fire door according to the present invention where the door frame and the door leaf contact each other.
7 is a view showing the position of a temperature sensor for a condensation test simulation and an enlarged view thereof.

Hereinafter, preferred embodiments of the present invention will be described in detail according to the accompanying drawings.

First, the embodiments described below are embodiments suitable for understanding the technical characteristics of the door of the present invention and the fire door including the same. However, the technical features of the present invention are not limited by the embodiments described or applied to the embodiments described below, and various modifications may be made within the technical scope of the present invention.

The fire door 10 according to the present invention includes a door frame 20 and a door 100.

The door frame 20 is installed at the edge of the opening. Here, the opening may be an entrance that connects the indoor and the outdoors, or may be an opening between the indoor partitioned space. Insulation 21 may be installed inside the door frame 20.

The door leaf 100 is rotatably coupled to the door frame 20 and may be installed to open and close the door frame 20. Here, the door 100 is provided with an insulating material or a fireproof material to prevent the spread of smoke and heat when a fire occurs. A gasket 30 may be installed between the door leaf 100 and the door frame 20. In addition, the door leaf may be opened and closed by rotating the handle part 170 and the hinge part 180.

2 to 6 shows a door 100 according to the present invention. Hereinafter, a case where the door 100 according to the present invention is used for the fire door 10 is described as an example, but is not limited thereto, and the door 100 according to the present invention is applied to various doors installed in openings such as entrances. Can be applied.

2 to 5, a door 100 according to an embodiment of the present invention includes an inner plate portion 110, an outer plate portion 120, and a heat transfer member 150. In addition, the door leaf 100 according to the present invention may further include an edge portion 130.

The inner plate portion 110 and the outer plate portion 120 are formed in a plate shape. The outer plate portion 120 is provided to be spaced apart from the inner plate portion 110 to form an insulating space that is a space between the inner plate portion 110 and the inner plate portion 110. That is, the outer plate portion 120 is disposed parallel to the inner plate portion 110, and an insulating space may be provided between the inner plate portion 110 and the outer plate portion 120. For example, when the door 100 is installed at an entrance that connects indoors and outdoors, the inner plate part 110 may be provided on the indoor side and the outer plate part 120 may be provided on the outdoor side. However, as described above, the door leaf 100 according to the present invention may be installed not only between entrances connecting indoors and outdoors, but also between spaces partitioned indoors.

The inner plate part 110 includes a first area, which is an area including a center, and a second area, which is an edge area outside the first area. Here, the second area is the edge of the door, and generally, the temperature is lowered by outside air and condensation occurs.

The thermal insulation space may insulate between the inner plate portion 110 and the outer plate portion 120 to block heat transfer to the inner side of the inner plate portion 110 and the outer side of the outer plate portion 120. The heat insulating space may be filled with the insulating member 140 to effectively block heat transfer from the inside and outside the door 100 (see FIG. 6).

The heat transfer member 150 is provided in an insulating space along the edges of the inner plate portion 110 and the outer plate portion 120 and transfers heat from the first region of the inner plate portion 110 to the second region and the edge of the heat insulating space. It extends in a direction toward the edge of the heat insulation space in the first region of the inner plate portion 110 to become a heat transfer path.

The edge portion 130 is provided along the outer circumferential direction of the heat insulating space, and may connect the edge of the inner plate portion 110 and the edge of the outer plate portion 120. In addition, the heat transfer member 150 may connect the first region of the inner plate portion 110 to the heat insulating space and the edge portion 130.

Specifically, the door 100 may include an inner plate portion 110, an outer plate portion 120, and an edge portion 130 to form an insulating space. The material of the edge portion 130 is not limited, and may be made of the same material as the inner plate portion 110 and the outer plate portion 120, and may be made of iron. In addition, there is no limitation on a method of forming the edge portion 130. For example, it may be formed by bending the ends of the inner plate portion 110 and the outer plate portion 120 in the direction of the heat insulation space, or formed by combining a separate member with the edges of the inner plate portion 110 and the outer plate portion 120 You may.

The heat transfer member 150 may be provided in the heat insulating space, and may be provided at the edges of the inner plate portion 110 and the outer plate portion 120 along the edge portion 130 (see FIGS. 3 and 4 ). In addition, the inner plate portion 110 and the heat insulating space and the edge portion 130 may be connected so as to become a heat transfer path for transferring heat of the inner plate portion 110 to the heat insulating space and the edge portion 130.

Specifically, the heat transfer member 150 may be installed along the circumference of the inner plate portion 110 and may be installed inside the edge portion 130. In addition, the cross-sectional shape of the heat transfer member 150 is not limited, and various shapes may be applied as long as heat can be transferred while connecting the inner plate portion 110 and the heat insulating space and the rim portion 130.

For example, when the door 100 is installed at an entrance that connects indoors and outdoors, the temperature of the inner plate 110 disposed on the indoor side may be higher, and during winter, the inner plate 110 and the outer plate 120 The temperature difference can be large. In this case, the heat transfer member 150 becomes a heat transfer path connecting the inner plate part 110 and the heat insulation space and the rim part 130 to transmit the high temperature of the inner plate part 110 to the heat insulation space and the rim part 130. I can. Accordingly, the temperature of the heat insulating space and the edge of the inner plate portion 110 may increase.

Therefore, when the door 100 according to the present invention is used, the temperature of the edge of the door 100 is increased by the heat transfer member 150 to prevent the temperature of the edge of the door 100 from falling below the dew point, It is possible to prevent the condensation phenomenon of the door (100).

On the other hand, the door 100 according to the present invention may further include a heat insulating member 140. The heat insulating member 140 may be accommodated in the heat insulating space so that the inner plate portion 110 and the outer plate portion 120 are insulated from each other. Here, the insulating member 140 may be provided by filling an insulating space with an insulating material made of styrofoam, glass wool, mineral wool, polyurethane, polyester, or the like. However, the type of the heat insulating member 140 is not limited to the above.

When the heat insulating member 140 is provided in the heat insulating space, the heat transfer member 150 may transfer heat from the inner plate portion 110 to the heat insulating member 140 and from the heat insulating member 140 to the rim portion 130.

The heat transfer member 150 may be made of a material having high thermal conductivity. For example, it may be a material such as steel, stainless steel, or copper, but is not limited thereto, and various materials having high thermal conductivity may be applied.

Meanwhile, referring to FIGS. 3 to 6, the heat transfer member 150 may include a first part 151 and a second part 153.

The first part 151 includes a first end 152 in contact with the first region of the inner plate part 110 and may extend in a direction from the first end 152 toward the outer plate part 120. . In addition, the second part 153 is bent at the end of the first part 151 and extends in a direction toward the rim 130, and has a second end 154 in contact with the rim 130. I can.

Specifically, the heat transfer member 150 may be formed by molding one plate member, and may include a first part 151 and a second part 153. The first part 151 includes a first end 152 in contact with a first region of the inner plate part 110, and extends in a direction from the first end 152 toward the outer plate part 120, thereby Heat of the first region of the plate portion 110 may be transferred to the insulating space.

The second part 153 is bent at the end of the first part 151 and extends in a direction toward the rim 130, and has a second end 154 in contact with the rim 130. Heat transferred to the insulating space by the 1 part 151 may be transferred to the rim 130. The second part 153 may be bent in an L shape in cross section together with the first part 151.

Here, a position in which the second end 155 contacts the edge portion 130 is not limited, and may be installed in the middle portion of the edge portion 130 as in the illustrated embodiment, but is not limited thereto.

Accordingly, the heat transfer member 150 may effectively increase the temperature of the second region, which is the edge region of the inner plate 110 by the shape of the first part 151 and the second part 153.

In addition, the heat transfer member 150 may be formed in various forms as long as it can connect the inner plate portion 110, the heat insulating space (or the heat insulating member 140), and the rim portion 130. As described above, the cross section may be bent in an L shape, or may be provided in an arc shape.

Specifically, the heat transfer member 150 is provided in an arc shape curved in a direction toward the outer plate portion 120, and the first end 152, which is an end portion in the direction toward the inner plate portion 110, is the inner plate portion 110 A second end portion 154 that is in contact with the first region of and in a direction toward the edge portion 130 may contact the edge portion 130. Due to such a curved shape, the heat transfer member 150 may sufficiently transfer heat to the heat insulating space (or the heat insulating member 140), while also transferring heat to the rim portion 130.

Meanwhile, a condensation test simulation for testing the condensation performance of the door 100 according to the present invention will be described below. Here, the condensation tests of Comparative Examples and Test Examples were performed according to the test method based on the Korean Industrial Standard (KS).

The comparative example differs from the test example of the present invention in that the heat transfer member 150 is not provided, and other conditions were applied in the same manner. That is, in Comparative Examples and Test Examples, the material and thickness of the inner plate portion 110 and the outer plate portion 120 were the same, and the heat insulating member 140 was installed between the outer plate portion 120 and the inner plate portion 110. And, the heat transfer member 150 applied to the present invention was inserted into the door 100 according to the test example according to the present invention. Here, the thickness of the heat transfer member 150 may range from 0.1mm to 35mm. When the thickness of the heat transfer member 150 exceeds 35mm, the effect of preventing condensation may be insufficient, and the total weight of the door may increase, and thus may not be structurally appropriate.

In addition, under the conditions of an indoor temperature of 25°C, an outdoor temperature of -15°C, and an indoor relative humidity of 50% by a test method according to KS, the indoor dew point temperature is determined to be about 14°C. 7 is a view and an enlarged view showing a position where a temperature sensor is installed in the inner plate portion 110 and the door frame 20 of the door 100 in Comparative Examples and Test Examples. Table 1 below is a table showing the location of the temperature sensor and the temperature according to the simulation at each location. Test Examples 1 to 5 shown in Table 1 are results obtained by varying the material and thickness of the heat transfer member 150.

In Fig. 7 and Table 1, sensor numbers 51 to 54 are temperature sensors installed on the door frame 20. In addition, sensor numbers 55 to 61 are temperature sensors installed in the inner plate part 110 of the door 100.

[Table 1]

Referring to FIG. 7 and Table 1, it can be seen that the temperature of the edge of the door 100 of the comparative example is low, and in particular, the lower part of the door 100 (sensors 56 and 57) and the door hinge part, which are vulnerable to condensation. It can be seen that the temperature of the lower part of (180) (sensor 61) is below the dew point of 14°C. Accordingly, condensation may occur in the edge region of the comparative example.

7 and Table 1, it can be seen that the edge temperature of the door 100 of the Test Example of the present invention is increased compared to the Comparative Example. Specifically, it is confirmed that the temperature of all points including the lower part of the door 100 (sensors 56 and 57) and the lower part of the door hinge part 180 (sensor 61), which are vulnerable to condensation, are all above the dew point of 14°C. I can. Therefore, in the test example according to the present invention, it is analyzed that the temperature in all regions including the edge of the door, which is particularly vulnerable to condensation, is higher than the dew point, and the effect of preventing condensation by the heat transfer member 150 can be confirmed.

On the other hand, in the test examples shown in Table 1, Test Examples 1 to 5 are results obtained by varying the material and thickness of the heat transfer member 150. As for the material of the heat transfer member 150 in each test example, Test Example 1 was stainless steel, Test Example 2 and Test Example 3 were structural steel, and Test Example 4 was aluminum alloy. ), Test Example 5 is copper. In addition, the thickness of the heat transfer member 150 in each test example is 0.5 mm in Test Examples 1, 2, 4 and 5, and 1.0 mm in Test Example 3.

Referring to Table 1, the heat transfer member 150, the higher the thermal conductivity, the higher the condensation prevention effect. In addition, as the heat transfer member 150 has a thicker thickness, the condensation prevention effect may be higher.

Specifically, the thermal conductivity of the material in each test example is stainless steel (20 W/m·° C.), structural steel (60 W/m·° C.), aluminum alloy (144 (0° C.), 165 (100° C.). W/m·℃) and copper (401 W/m·℃) are getting bigger. In Table 1, in Test Example 5 to which the heat transfer member 150 made of a copper material was applied, it is considered that the temperature of the edge (sensor No. 55 to No. 58) of the door 100 is the highest, so that the heat transfer member 150 has a thermal conductivity. It can be seen that the higher the is, the higher the anti-condensation effect.

In addition, when comparing Test Example 2 and Test Example 3 of the same material, in the case of Test Example 3 in which the thickness of the heat transfer member 150 is thicker, it can be confirmed that the temperature of the edge of the door is higher than that of Test Example 2. Therefore, the heat transfer member 150 according to the present invention can effectively prevent condensation on the door as the thickness increases.

As described above, when the door leaf according to the present invention is used, the temperature of the edge of the door is increased by the heat transfer member, and the temperature of the edge of the door is prevented from falling below the dew point, thereby preventing condensation on the door.

Above, although the specific embodiments of the present invention have been described above, the spirit and scope of the present invention are not limited to these specific embodiments, and are described in the claims by those of ordinary skill in the technical field to which the present invention belongs. Various modifications and variations can be made without changing the gist of the present invention.

10: fire door 20: door frame
100: door 110: inner plate
120: outer plate portion 130: rim portion
140: heat insulation member 150: heat transfer member
151: first part 152: first end
153: second part 154 : second end
170 : handle portion 180 : hinge portion

Claims (6)

An inner plate portion provided in a plate shape and including a first area, which is an area including a center, and a second area, which is an outer edge area of the first area;
A plate-shaped outer plate provided spaced apart from the inner plate portion to form an insulating space that is a space between the inner plate portion;
An edge portion provided along the outer circumferential direction of the heat insulating space and connecting an edge of the inner plate portion to an edge of the outer plate portion; And
It is provided in the heat insulating space along the edges of the inner plate part and the outer plate part, and becomes a heat transfer path for transferring heat of the first region of the inner plate part to the second region of the inner plate part and the edge of the heat insulating space, the A heat transfer member extending from the first region of the inner plate in a direction toward the edge of the heat insulating space and connecting the first region of the inner plate to the heat insulating space and the edge
Including,
The heat transfer member,
A first part including a first end contacting the first region of the inner plate and extending in a direction from the first end toward the outer plate; And
A door leaf including a second part bent at an end of the first part, extending in a direction toward the edge, and having a second end contacting the edge.
delete The method of claim 1,
A door further comprising a heat insulating member accommodated in the heat insulating space so that the inner plate portion and the outer plate portion are insulated from each other. delete An inner plate portion provided in a plate shape and including a first area, which is an area including a center, and a second area, which is an outer edge area of the first area;
A plate-shaped outer plate provided spaced apart from the inner plate portion to form an insulating space that is a space between the inner plate portion;
An edge portion provided along the outer circumferential direction of the heat insulating space and connecting an edge of the inner plate portion to an edge of the outer plate portion; And
The inner plate part is provided in the heat insulating space along the edges of the inner plate part and the outer plate part, and becomes a heat transfer path for transferring heat of the first region of the inner plate part to the second region and the edges of the heat insulating space. A heat transfer member extending in a direction from the first region toward the edge of the heat insulating space and connecting the first region of the inner plate portion to the heat insulating space and the edge portion
Including,
The heat transfer member is provided in an arc shape curved in a direction toward the outer plate, and a first end, which is an end in a direction toward the inner plate, is in contact with the first region of the inner plate, and in a direction toward the edge. A door whose second end, which is an end, contacts the rim. A door frame installed at the edge of the opening; And,
A door leaf that is rotatably coupled to the door frame and installed to open and close the door frame,
The door leaf,
An inner plate portion provided in a plate shape and including a first area, which is an area including a center, and a second area, which is an outer edge area of the first area;
A plate-shaped outer plate provided spaced apart from the inner plate portion to form an insulating space that is a space between the inner plate portion;
An edge portion provided along the outer circumferential direction of the heat insulating space and connecting an edge of the inner plate portion to an edge of the outer plate portion; And
The inner plate part is provided in the heat insulating space along the edges of the inner plate part and the outer plate part, and becomes a heat transfer path for transferring heat of the first region of the inner plate part to the second region and the edges of the heat insulating space. A heat transfer member extending in a direction from the first region toward an edge of the heat insulating space and connecting the first region of the inner plate to the heat insulating space and the edge,
The heat transfer member,
A first part including a first end contacting the first region of the inner plate and extending in a direction from the first end toward the outer plate; And
A fire door comprising a second part bent at an end of the first part, extending in a direction toward the edge, and having a second end contacting the edge.

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