KR101549263B1 - Ventilating System for Building - Google Patents

Abstract

The present invention includes an integrated duct whose interior is divided into a supply duct and an exhaust duct along a length thereof by a heat transfer wall, and a part of a duct for discharging indoor air and supplying outdoor air to the room is constituted by the integrated duct, The present invention provides a building ventilation system capable of achieving heat exchange between indoor air and outdoor air in the course of transporting indoor air and outdoor air.

Building, Air, Air Supply, Duct, Exhaust, Indoor, Outdoor, Heat Exchanger, Heat, Ventilation

Description

[0001] Ventilating System for Building [

The present invention relates to a ventilation system for a building which makes the air environment in the building comfortable.

In recent years, as the building energy saving standards have been strengthened, the airtight performance of buildings has improved day by day, while the airtightness of buildings has been deteriorating due to the high airtightness of the buildings. As a result, It is necessary to exchange with air to create a comfortable air environment.

A typical conventional ventilation method used to improve the indoor air environment to meet human health hygiene is to open the window to introduce outdoor air from the wind side window of the building and to discharge the contaminated air in the room through the opposite window There is wind ventilation to exchange. However, since the thermal energy included in the indoor air and the outdoor air is directly discharged and introduced into the indoor air and the outdoor air, there is a problem that the indoor temperature rapidly changes after the ventilation. That is, there is a problem that heat loss is caused by the temperature difference and the amount of ventilation (outdoor air inflow), so that the indoor temperature rapidly decreases during the winter season and the indoor temperature rapidly increases during the summer cooling.

In order to solve such problems of wind power ventilation, it is a mechanical ventilation system that ventilates while exchanging heat energy of air flowing into the room and discharged to the outside.

A typical mechanical ventilation system is shown in Fig. As shown, a typical ventilation system includes an air supply duct 10, an exhaust duct 20, and a heat exchanger 30. The outdoor air exchanges heat with indoor air from the exhaust duct 20 in the heat exchanger 30, and then is supplied to the room along the air supply duct 10. However, this ventilation system can not be expected to have a higher heat exchange efficiency because the heat exchange is performed only through the heat exchanger 30.

[Problem to be solved]

It is an object of the present invention to provide a ventilation system for a building capable of ventilation while minimizing heat (energy) loss.

SUMMARY OF THE INVENTION [

According to an embodiment of the present invention, there is provided an integrated duct having a double pipe structure by an inner pipe and an outer pipe, an exhaust duct serving as an exhaust pipe and an air supply duct between the inner pipe and the outer pipe, ; An air supply duct and an air discharge duct connected to the air supply duct and the air discharge duct; And a dust collecting unit for removing dust contained in outdoor air flowing toward the air supply duct along the air supply duct.

Wherein the dust collecting unit includes: a dust collecting unit having an upper portion opened and a lower portion of the dust collecting unit, the dust collecting unit being coupled to the lower portion of the dust collecting unit such that the opening portion is exposed to the inside of the outer tube; A lid which is covered by the opening portion of the dust casing and has a net-shaped inlet port for allowing dust to flow into the dust casing; An inner wall of the dust casing is partitioned into upper and lower portions to form an upper settling chamber and a lower settling chamber is formed between the bottom and the lid of the dust collection casing so that dust is introduced into the lower settling chamber A partition; And a gap maintaining member for maintaining the gap so that the partition is spaced a predetermined distance from the bottom of the dust casing.

Here, the unit hole constituting the inlet port of the partition may be smaller in size and more compact than the unit hole constituting the inlet port of the lid. Further, the unit hole constituting the inlet of the partition may be formed to be long in the vertical direction, and may be formed so that the inner circumference becomes narrower toward the lower side.

Meanwhile, the inner tube of the integrated duct may be structured such that at least a part thereof has a structure of a corrugated pipe.

The building ventilation system according to an embodiment of the present invention further includes a heat exchanger for exchanging heat between the outdoor air and the room air discharged from the exhaust passage, supplying outdoor air to the air supply channel and discharging indoor air to the outside .

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, the size, line thickness, and the like of the components shown in the drawings may be exaggerated for ease of understanding. Further, the terms used in the description of the present invention are defined in consideration of the functions of the present invention, and thus may be changed according to the intention of the user, the operator, and the like. Therefore, the definition of these terms should be based on the contents of this specification.

[First Embodiment]

3 is a cross-sectional view taken along the line AA of Fig. 2. As shown in Figs. 2 and 3, the first ventilation system 1 of the present invention is a ventilation system for a building according to a first embodiment of the present invention. The building ventilation system according to the embodiment includes an integrated duct 50 horizontally disposed in a lateral direction and having a predetermined length and partitioned into two channels along the longitudinal direction by an electric heating wall 52 inside.

One of the two flow paths of the integrated duct 50 functions as an air supply flow path and the other functions as an exhaust flow path. The integrated duct 50 is formed in a double pipe structure by an inner pipe 54 and an outer pipe 56 that surrounds the outer pipe 54 at a predetermined interval so as to provide a space between the inner pipe 54 and the outer pipe. The space between the inner pipe 54 and the outer pipe 56 serves as the air supply passage and the wall of the inner pipe 54 serves as the heat transfer wall 52. In this case, In FIG. 3, longitudinal sections of the inner and outer tubes 54 and 56 are shown as being both circular. However, the longitudinal section of the inner and outer tubes 54 and 56 may be deformed into an ellipse, a polygon, or the like.

The end of the inner pipe 54 constituting the right side as viewed in FIG. 2 out of both end portions of the integrated duct 50 is exposed to the outside through the right end portion (wall portion) of the outer pipe 56. The outer tube 56 is sealed so that the portion through which the inner tube 54 penetrates is prevented from leaking by the sealing material.

The first embodiment as described above further includes the heat exchanger 70. The heat exchanger (70) includes a housing (72) and a heat exchanger body (74) embedded in the housing (72). The housing 72 is installed on a wall of the building, and a part of the housing 72 is exposed to the room and a part of the housing 72 is exposed to the outside. The housing 72 has an air supply inlet, an air supply outlet, an exhaust inlet, and an exhaust outlet. In the case of the air supply inlet and the air discharge outlet, the housing 72 is located on the outdoor side and the air supply outlet and the exhaust inlet are located on the indoor side. The heat exchanger main body 74 performs heat exchange between outdoor air and indoor air introduced into the air inlet and exhaust inlet, exchanges heat without mixing outdoor air and indoor air into each other, , And is configured to discharge them to the air supply outlet and the air discharge outlet, respectively.

Although not shown, the heat exchanger 70 is provided with a supply fan and an exhaust fan for sucking the outdoor air and the indoor air into the interior of the housing through the air inlet and the air inlet, respectively, and discharging the air to the air outlet and the air outlet .

The first embodiment further includes an air supply duct 61 and an air discharge duct 65. The air supply duct 61 is connected to the outer pipe 56 to supply outdoor air to a desired place in the room and the air exhaust duct 65 is connected to the inner pipe 54 to discharge indoor air to a desired location.

According to the first embodiment as described above, the indoor air is sequentially discharged to the outside through the exhaust duct 65, the inner pipe 54, and the heat exchanger 70, and the outdoor air passes through the heat exchanger 70, And the air supply duct 61 are sequentially supplied to the room.

Here, the outdoor air is heat-exchanged with the room air in the first stage by the heat exchanger 70 (that is, when the room is heated during the winter season, the outdoor air is heated by the heat from the room air, The temperature is lowered). Thereafter, heat exchange with the room air is performed in the process of flowing along the outer surface 56.

As described above, since the heat exchange between the indoor air and the outdoor air is performed twice, the amount of heat lost can be more effectively reduced.

[Second Embodiment]

4 is a configuration diagram showing a building ventilation system according to a second embodiment of the present invention. 4, the ventilation system for a building according to the second embodiment of the present invention is the same as the ventilation system according to the first embodiment except for the structure of the inner pipe 54 It is somewhat different. That is, the inner tube 54 of the second embodiment differs only in that at least a part thereof is configured to have the structure of the bellows tube.

According to the second embodiment, the integrated duct 50 has a structure in which a part or the whole of the heat transfer wall 52 has a corrugated structure, so that the heat transfer area can be widened, and heat exchange between the indoor air and the outdoor air Can be effectively achieved.

[Third Embodiment]

FIG. 5 is a perspective view showing a building ventilation system according to a third embodiment of the present invention, and FIG. 6 is a longitudinal sectional view of FIG. 5, Differs from the first or second embodiment in that the structure and ventilation system according to the first or second embodiment are identical in all other respects, but include a natural-type dust collection unit.

To this end, the dust collecting unit includes a dust casing 150 which is opened at an upper portion and coupled to the inside of the outer tube 56 so as to expose the opening portion to the inside of the outer tube 56. As the dust casing 150 is coupled to the outer tube 56 in this way, its inner space communicates with the space (air supply passage) between the inner tube 54 and the outer tube 56.

The dust collecting unit further includes a lid 160, a partition 170, and a spacing member.

The lid 160 is installed so as to cover the open portion of the dust casing 150 so that the dust in the outdoor air flows into the dust casing 150 together with the outdoor air. And the inlet 165 is formed in a net shape to prevent foreign matter having a relatively large volume from being introduced into the dust casing 150. The unit hole constituting the inlet port 165 of the lid 160 is formed in a long slot shape along the flow direction, that is, the longitudinal direction of the outer tube 56, so that the outdoor air effectively flows into the dust casing 150.

The partition 170 prevents the relatively bulky foreign matter from flowing into the dust casing 150 while preventing the foreign matter from entering the dust casing 150 by the first decelerated outdoor air And the dust collected in the dust casing 150 is prevented from being scattered by the outdoor air flowing into the dust casing 150. [ The partition 170 separates the dust casing 150 from the bottom of the dust casing 150 so as to form an upper sedimentation chamber 155u at the upper side and a lower sedimentation chamber 155d at the lower side, 160). In addition, a net-like inlet 175 is formed all over the dust collecting chamber 155d so that the dust introduced into the upper settling chamber 155u together with the outdoor air flows into the lower settling chamber 155d.

The unit hole constituting the inlet port 175 of the partition 170 is smaller in size than the unit hole constituting the inlet port 165 of the lid 160 for the prevention of secondary inflow of foreign matter and the deceleration of the flow rate, And are arranged more tightly. Of course, if the unit hole constituting the inlet 175 of the partition 170 is excessively small, it may be clogged by dust or foreign matter. Therefore, the size should be determined in consideration of this point. In addition, the unit hole constituting the inlet port 175 of the partition 170 is formed to be long in the vertical direction, and the inner perimeter gradually becomes narrower toward the lower side. Therefore, it is easy for the dust to flow into the lower settling chamber 155d, but once introduced, it becomes difficult to flow out from the lower settling chamber 155d.

The spacing member is used to maintain the spacing between the bottom of the dust casing 150 and the partition 170 so that the partition 170 is spaced a certain distance upward from the bottom of the dust casing 150, ).

The support leg 180a is vertically erected at the lower edge of the partition 170 to support the partition 170 so that the partition 170 is positioned between the bottom of the dust casing 150 and the lid 160 And two of them may be disposed on both sides (front and back) of the edge as shown in the drawing, or may be disposed on the four sides of the edge, respectively. Of course, the arrangement structure of the support legs 180a can be changed within a range in which the partition 170 can be stably held.

The dust collecting unit as described above operates as follows. The outdoor air flowing along the air supply flow path is introduced into the dust casing 150 together with the dust contained in the outdoor air. The air introduced into the dust casing 150 through the inlet port 165 of the lid 160 is firstly decelerated by the resistance of the inlet port 165 of the lid 160 to reach the upper settling chamber 155u, And then continues to descend to reach the lower settling chamber 155d through the inlet 175 of the partition 170. At this time, the air reaching the lower settling chamber 155d is secondarily decelerated by the resistance of the inlet port 175 of the partition 170, and the speed drops sharply. In this process, the dust contained in the outdoor air is trapped in the lower settling chamber 155d under the effect of gravity, and the collected dust is not scattered because the speed of the outdoor air is reduced.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

For example, in the above description, the wall of the inner pipe 54 is the heat transfer wall 52 as the integrated duct 50 has the structure of the double pipe by the inner pipe 54 and the outer pipe 56, 50 may be a single tube, and the heat transfer wall 52 may be a plate that divides the internal space of the integrated duct 50 up or down or left and right. At this time, the plate may be configured such that a part or the whole of the plate has corrugations.

In the above description, the inner and outer pipes 54 and 56 of the integrated duct 50 are horizontally installed and arranged in the lateral direction. However, the integrated duct 50 may be partially And the dust collecting unit can be installed in the horizontal portion of the outer tube 56. [0064]

1 is a block diagram showing a general building ventilation system.

2 is a configuration diagram showing a building ventilation system according to a first embodiment of the present invention.

3 is a sectional view taken along the line A-A in Fig.

4 is a configuration diagram showing a building ventilation system according to a second embodiment of the present invention.

5 is a perspective view illustrating a building ventilation system according to a third embodiment of the present invention.

Fig. 6 is a longitudinal sectional view of Fig. 5; Fig.

DESCRIPTION OF THE REFERENCE NUMERALS

50: Integrated duct 52:

54: interior 56: exterior

61: air supply duct 65: exhaust duct

70: Heat exchanger

Claims (6)

An integrated duct having a double pipe structure by an inner pipe and an outer pipe, an inner duct serving as an exhaust channel, an inner duct serving as an air supply channel between the inner pipe and the outer pipe, and a wall of the inner pipe serving as a heat transfer wall; An air supply duct and an air discharge duct connected to the air supply duct and the air discharge duct; And a dust collecting unit for removing dust contained in the outdoor air flowing toward the air supply duct along the air supply duct, The outer tube has a horizontal portion at least partially arranged in a transverse direction, Wherein the dust- A dust collecting casing having an upper portion opened and a lower portion of the horizontal portion so that the opening portion is exposed to the inside of the outer tube; A lid which is covered by the opening portion of the dust casing and has a net-shaped inlet port for allowing dust to flow into the dust casing; An inner wall of the dust casing is partitioned into upper and lower portions to form an upper settling chamber and a lower settling chamber is formed between the bottom and the lid of the dust collection casing so that dust is introduced into the lower settling chamber A partition; And a spacing member for maintaining the spacing such that the partition is spaced a predetermined distance above the bottom of the dust casing. delete The method according to claim 1, Wherein a unit hole constituting an inlet of the partition is smaller in size and arranged more closely than a unit hole constituting an inlet of the lid. The method of claim 3, Wherein the unit hole constituting the inlet of the partition is formed to be long in the vertical direction and the inner perimeter narrows in the downward direction. The method according to claim 1, Wherein the inner duct of the integrated duct is configured to have at least a part of a corrugated structure. The method according to claim 1, Further comprising a heat exchanger for exchanging heat between outdoor air and indoor air discharged from the exhaust passage to supply outdoor air to the air supply channel and to discharge indoor air to the outside.

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