KR100627878B1 - Energy recovery ventilator for window - Google Patents

Abstract

The present invention relates to a window type waste heat recovery ventilator, an air supply duct connected to an air supply inlet and an air supply outlet so that outdoor air is introduced into the room by the operation of the air supply fan, and the air is intersected with the air supply duct and the air is operated by the exhaust fan. A duct divided into an exhaust duct connected to the exhaust inlet and the exhaust outlet to flow out to the outside; The air supply duct and the exhaust duct are provided at the intersection point, the plurality of air supply passage communicating with the air supply duct and the plurality of exhaust passage communicating with the exhaust duct are adjacent to each other and the air inherent in the air supply passage and exhaust passage Heat exchangers for exchanging heat with each other; And each of the exhaust outlet port, the exhaust outlet port, the air supply inlet port, and the air supply outlet port so as to prevent the air discharged from the exhaust outlet port from flowing into the air inlet port, or to prevent the air discharged from the air outlet port from entering the exhaust port. It includes an air mixing prevention member.

Window type waste heat recovery ventilator, bulkhead, heat exchanger, air mixing prevention member.

Description

Window type waste heat recovery ventilator {Energy recovery ventilator for window}

1 is a block diagram showing a window type waste heat recovery ventilator according to the prior art,

Figure 2 is a block diagram showing an example of a window type waste heat recovery ventilator according to the present invention,

Figure 3 is a block diagram showing another embodiment of the window-type waste heat recovery ventilator according to the present invention.

Explanation of symbols on the main parts of the drawing

101; Duct 103; septum

110; Air supply duct 111; Air supply intake

113; Air supply outlet 115; Air supply fan

120; Exhaust duct 121; Exhaust inlet

123; Exhaust outlet 125; Exhaust fan

130; Heat exchanger 137; Supply passage

139; Exhaust passages 200a, 200b, 200c, and 200d; Air mixing prevention member

201a, 201b, 201c, 201d; Coupling portions 202a, 202b, 202c and 202d; pipe

203; duct

The present invention relates to a window type waste heat recovery ventilator.

In general, the air in an enclosed space increases the carbon dioxide content over time by the breathing of the living being, which interferes with the breathing of the living.

Therefore, if many people stay in a narrow space such as an office or a vehicle, it is necessary to frequently replace the indoor air with fresh air.

At this time, a commonly used ventilation device.

Most conventional ventilation apparatuses employ a method of forcibly discharging only indoor air to the outside using a single blower.

However, when forcibly discharging only the indoor air by using one blower, the indoor air is discharged to the outside without filtration and the outdoor air is introduced without heat exchange through a door or window gap, thereby heating and cooling the room. The cost of cooling was unnecessarily high.

In addition, due to the sudden inflow of cold air and heat from inside to outside people suddenly change the temperature of the interior people there is unpleasant feelings, especially in the state that the indoor window or door frame closed to discharge only the indoor air to the outside In this case, the inflow of fresh air may be blocked and oxygen deficiency may occur, and the humidity of the indoor air is not controlled at all. However, even though a ventilation device is provided, it does not maintain a comfortable indoor environment. there was.

In order to solve this conventional problem, a waste heat recovery ventilator for first heat-exchanging with indoor air discharged to the outside and then supplying it to the indoor has been proposed.

The waste heat recovery ventilator is divided into a window type and a duct, and FIG. 1 shows a window waste heat recovery ventilator.

This window-type waste heat recovery ventilator is provided with an air supply duct 10 for introducing outdoor air into a box-shaped duct 1, and crosses the air supply duct at a predetermined position and guides the indoor air to the outside. 20 is provided.

A heat exchanger 30 is provided to exchange heat between the outdoor air that is supplied at the point where the air supply duct 10 and the exhaust duct 20 intersect and the indoor air that is exhausted.

At this time, the air supply duct 10 and the exhaust duct 20 are not interfered with each other by the partition 3 partitioning the inside of the duct 1 up and down.

An air supply suction opening 11 is formed at one end of the air supply duct 10 and an air supply outlet 13 is formed at the other end of the air supply duct 20. The inlet 21 is formed and the other end is formed with an exhaust outlet 23 in communication with the outdoors.

An air supply fan 15 for forcibly sucking outdoor air is provided at the air supply inlet 11 of the air supply duct 10, and an air exhaust fan for forcibly discharging indoor air at the exhaust outlet 23 side of the exhaust duct 20. 25 is provided.

On the other hand, the heat exchanger 30 has a hexahedral shape in which the upper, lower, left and right edges are supported by the partition wall 3, and a plurality of air supply passages 37 and the air supply passages 37 communicating with the air supply duct 10 therein. A plurality of exhaust passages 39 adjacent to and in communication with the exhaust duct 20 are provided.

Although not separately shown in the drawings, a heat exchange plate having excellent heat conduction efficiency is provided at the boundary between the air supply passage 37 and the exhaust passage 39.

At this time, the portion shown by the solid line is the air supply passage 37, and the portion shown by the dotted line is the exhaust passage 39.

The operation of the window type waste heat recovery ventilator having such a configuration is as follows.

First, when indoor air is contaminated to some extent, power is supplied to the exhaust fan 25 so that indoor air flows into the exhaust duct 20 through the exhaust inlet 21, and then the exhaust passage 39 of the heat exchanger 30. ) Is discharged to the outside through the exhaust outlet (23).

At the same time, while supplying power to the air supply fan 15, fresh outdoor air flows into the air supply duct 10 through the air supply inlet 11, and then passes through the air supply passage 37 of the heat exchanger 30. 13) is introduced into the room.

At this time, the indoor air and the outdoor air passing through the heat exchanger 30 will exchange heat through the heat exchange plate. Specifically, the heat exchange occurring in the heat exchanger 30 includes sensible heat exchange between the supplied outdoor air and the exhausted indoor air, and high temperature air in the indoor or outdoor air is below the dew point temp. It is made of latent heat exchange by the condensate produced in the state of.

In the case of the heat exchange type ventilation device, the outdoor air supplied when the room is cooled or heated is primarily heat-exchanged with the indoor air and then introduced into the room, thereby preventing a rapid rise or fall of the room temperature.

However, in the conventional window-type waste heat recovery ventilator, as shown in FIG. 1, since the air supply inlet 11 and the exhaust outlet 23 and the exhaust inlet 21 and the air outlet 13 are located too close to each other, the exhaust air is exhausted. The contaminated air discharged to the outlet 23 is sucked into the air inlet 11 again and introduced into the room, or fresh air discharged to the air outlet 13 is sucked back into the exhaust air inlet 21 and immediately discharged to the outside. Therefore, there was a problem that the efficiency of the waste heat recovery ventilator is greatly reduced.

In addition, the conventional window type waste heat recovery ventilator is a structure that can be applied only to the window, there was a problem that its utilization is monotonous.

The present invention has been made to solve the above problems, the contaminated air discharged to the exhaust outlet is sucked into the intake air inlet again into the room, or fresh air discharged to the exhaust outlet is sucked back into the exhaust inlet and outdoor The purpose is to solve the phenomenon of direct discharge into the furnace, and to provide a window type waste heat recovery ventilator that can be installed in a wall, a veranda, a utility room, and the like.

According to an aspect of the present invention for achieving the above object, an air supply duct connected to an air supply inlet and an air supply outlet so that outdoor air is introduced into the room by the operation of the air supply fan, and the air supply duct intersects with the operation of the exhaust fan. A duct divided into an exhaust duct connected to the exhaust inlet and the exhaust outlet so that air flows out; The air supply duct and the exhaust duct are provided at the intersection point, the plurality of air supply passage communicating with the air supply duct and the plurality of exhaust passage communicating with the exhaust duct are adjacent to each other and the air inherent in the air supply passage and exhaust passage Heat exchanger to heat exchange each other; And each of the exhaust outlet port, the exhaust outlet port, the air supply inlet port, and the air supply outlet port so as to prevent the air discharged from the exhaust outlet port from flowing into the air inlet port, or to prevent the air discharged from the air outlet port from entering the exhaust port. It provides a window type waste heat recovery ventilator comprising an air mixing prevention member.

The air mixing prevention member is preferably composed of a coupling portion coupled to the exhaust outlet, the exhaust outlet, the air supply inlet, and the outer peripheral surface of the air supply outlet, and at least one pipe protruding toward one side from the coupling portion.

Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the window type waste heat recovery ventilator according to the present invention.

Figure 2 is a block diagram showing an example of a window type waste heat recovery ventilator according to the present invention.

As shown in FIG. 2, the window type waste heat recovery ventilator according to the present invention includes a duct 101, a partition 103, a heat exchanger 130, and an air mixing prevention member 200a, 200b, 200c, 200d, or the like. Is done.

First, the duct 101 is the air supply duct 110 and the air supply duct 110 connected to the air supply suction inlet 111 and the air supply outlet 113 so that the outdoor air flows into the room by the operation of the air supply fan 115, and the air supply duct 110 and The gas is divided into an exhaust duct 120 connected to the exhaust suction port 121 and the exhaust discharge port 123 so that indoor air flows out through the operation of the exhaust fan 125.

The duct 101 has a box shape and the air supply duct 110 and the exhaust duct 120 cross each other at a predetermined position.

In addition, the air supply duct 110 and the exhaust duct 120 do not interfere with each other due to the partition 103 partitioning the inside of the duct 101 up and down. The partition 103 is provided in all directions inside the duct 101 to divide the duct 101 into the air supply duct 110 and the exhaust duct 120.

At one end of the air supply duct 110 is formed an air inlet 111 is in communication with the outside, the other end opposite the air supply outlet 113 is in communication with the room is formed, one end of the exhaust duct 120 An exhaust inlet 121 is formed in communication with the other end, and an exhaust outlet 123 in communication with the outside is formed at the other end opposite thereto.

An air supply fan 115 for forcibly sucking outdoor air is provided at the air supply inlet 111 of the air supply duct 110, and an exhaust fan forcibly discharging indoor air at the exhaust outlet 123 of the exhaust duct 120. 125 is provided.

On the other hand, the heat exchanger 130 is provided at the point where the air supply duct 110 and the exhaust duct 120 intersect, and the plurality of air supply passage 137 and the exhaust duct 120 in communication with the air supply duct 110. A plurality of exhaust passages 139 communicating with each other are partitioned adjacent to each other, and heat exchanges the air in the supply passage 137 and the air in the exhaust passage 139 with each other.

In an embodiment, the heat exchanger 130 heat-exchanges the outdoor air that is supplied at the point where the air supply duct 110 and the exhaust duct 120 intersect with the indoor air that is exhausted.

Inside the heat exchanger 130, a plurality of air supply passages 137 communicating with the air supply duct 110 and a plurality of air exhaust passages 139 adjacent to the air supply passage 137 and communicating with the exhaust duct 120 are provided. It is provided.

Although not separately shown in the drawings, a heat exchange plate having excellent heat conduction efficiency is provided at a boundary between the air supply passage 137 and the exhaust passage 139. At this time, the portion shown by the solid line is the air supply passage 137 and the portion shown by the dotted line is the exhaust passage 139.

On the other hand, the air mixing prevention member (200a, 200b, 200c, 200d) is provided in each of the exhaust exhaust port 121, exhaust exhaust port 123, the air supply suction port 111, and the air supply exhaust port 113.

In an embodiment, the air mixing prevention members 200a, 200b, 200c, and 200d may be provided in the exhaust inlet 121, the exhaust outlet 123, the air inlet 111, and the air inlet 113. It is made of air mixing prevention members (200a, 200b, 200c, 200d).

The first to fourth air mixing prevention members 200a, 200b, 200c, and 200d are respectively coupled to the outer circumferential surfaces of the exhaust suction port 121, the exhaust discharge port 123, the air supply suction port 111, and the air supply discharge port 113, respectively. The coupling parts 201a, 201b, 201c and 201d and the pipes 202a, 202b, 202c and 202d protruding toward one side from the coupling parts 201a, 201b, 201c and 201d. Here, one or more pipes 202a, 202b, 202c, and 202d may protrude from the coupling parts 201a, 201b, 201c, and 201d.

The air mixing prevention members 200a, 200b, 200c, and 200d are provided at the exhaust inlet 121, the exhaust outlet 123, the air inlet 111, and the air outlet 113, respectively. The air discharged to the air supply inlet 111 may be prevented from being introduced into the air supply inlet 111, or the air discharged to the air supply inlet 113 may be prevented from entering the exhaust air inlet 121. As such, by preventing the air discharged through the exhaust outlet 123 from flowing into the air supply inlet 111, or by preventing the air discharged into the air exhaust port 113 from entering the exhaust inlet 121, the waste heat recovery ventilator The overall efficiency can be greatly increased. In addition, the pipes 202a, 202b, 202c, and 202d of the air mixing preventing members 200a, 200b, 200c, and 200d are connected to the connection duct 203 as in the duct type waste heat recovery ventilator as shown in FIG. Can be combined. For this reason, although the waste heat recovery ventilator according to the present invention is a window type, there is an excellent advantage that can be directly installed and used not only windows, but also walls, verandas, and utility rooms.

Referring to the operation of the window waste heat recovery ventilator made of the above configuration as follows.

First, when indoor air is contaminated in winter or summer when heating or cooling is performed, power is supplied to the exhaust fan 125 while exhausting the indoor air via the pipe 202a of the first air mixing prevention member 200a. The inlet duct 120 enters the exhaust duct 120, and then passes through the exhaust passage 139 of the heat exchanger 130 through the exhaust outlet 123 to be discharged to the outside through the fourth air mixing prevention member 200b. do.

At the same time, while the power is supplied to the air supply fan 115, fresh outdoor air flows into the air supply duct 110 through the air supply inlet 111 through the third air mixing prevention member 200c, and then the heat exchanger 130. It passes through the air supply passage 137 of the) through the air supply outlet 113 is introduced into the room through the second air mixing prevention member (200d).

At this time, the first air mixing prevention member 200a and the second air mixing prevention member 200d form a '>' shape, and the third air mixing prevention member 200c and the fourth air mixing prevention member 200b are Since it forms a '<' shape, the polluted air discharged to the exhaust outlet 123 is substantially prevented from being sucked back into the air supply inlet 111 to be introduced into the room, and fresh air discharged to the air supply outlet 113 is prevented. Suction back into the exhaust suction opening 121 may be prevented from being immediately discharged to the outside. This can naturally increase the efficiency of the waste heat recovery ventilator.

The present invention, unlike the prior art by providing an air mixing prevention member in the exhaust outlet, exhaust outlet, air supply inlet, and air supply outlet, respectively, to prevent the contaminated air discharged to the exhaust outlet is sucked back into the air supply inlet to enter the room In addition, since fresh air discharged to the air supply outlet is prevented from being sucked back to the exhaust inlet and immediately discharged to the outside, the overall efficiency of the waste heat recovery ventilator is improved.

In addition, since the window-type waste heat recovery ventilator according to the present invention can be combined with the connection duct like the conventional duct-type waste heat recovery ventilator, it is an excellent advantage that can be installed directly on the wall, veranda, and the multipurpose room, as well as the window. There is this.

Claims (2)

An air inlet and an exhaust outlet are respectively formed at one end, and an air inlet and an exhaust inlet are respectively formed at the other end, an air supply duct connecting the air inlet and the air outlet to the inside, and connecting the exhaust outlet and the exhaust inlet. Ducts formed to cross the exhaust duct; A heat exchanger installed at a point where the air supply duct and the air exhaust duct intersect, and a plurality of air supply passages communicating with the air supply duct and a plurality of air exhaust passages communicating with the air exhaust duct are adjacent to each other; A fan installed in each of the air supply duct and the air exhaust duct to forcibly communicate outdoor air and indoor air; And Window-type waste heat recovery ventilator is installed so as to protrude in a different direction that does not intersect each of the inlet and outlet, the air mixing prevention member for guiding the air entering and exiting the inlet and the outlet in a different direction. The method of claim 1, wherein the air mixing prevention member is coupled to the exhaust outlet, the exhaust outlet, the air supply inlet, and the outer peripheral surface of the air supply outlet, respectively, and at least one pipe protruding toward one side from the coupling portion Window type waste heat recovery ventilator, characterized in that made.

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