KR20180010052A - Damper and heat exchanger for bypassing having it - Google Patents

Abstract

The present invention relates to a bypass total heat exchanger including a damper. An intake fan and an exhaust fan are installed in the outdoor side outlet and the indoor side outlet. The bypass total heat exchanger comprises: an upper plate and a lower plate which are disposed on the upside and the downside of a total heat exchanger in an outer case, are provided with a first bypass hole and a second bypass hole to penetrate, and form bypass flow paths with the outer case; and a bypass portion which includes an electric damper installed in the first bypass hole and the second bypass hole and selectively opening and closing the first bypass hole and the second bypass hole.

Description

[0001] DAMPER AND HEAT EXCHANGER FOR BYPASSING HAVING IT [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an overall heat exchanger, and more particularly, to an overall heat exchanger capable of mutually exchanging heat between indoor air and outdoor air.

In general, the total heat exchanger is used as a component of the air conditioning system of a building. In order to ventilate a building, indoor air is discharged outdoors, indoor air discharged from the room is sucked into the room, So that the heat loss generated during the ventilation process can be reduced.

As is known in the art, the conventional total enthalpy heat exchanger has a plurality of partition walls formed inside a housing in which an inlet for introducing outdoor air to both sides, an inlet for introducing the indoor air and an inlet and an outlet for indoor air are respectively formed, And the air introduced into the outdoor air inlet is discharged to the indoor outlet through the total heat-exchanging element, and at the same time, the indoor air flows into the interior of the housing through the indoor air inlet and is discharged to the outside through the outdoor heat exchanger again through the outdoor outlet .

In addition, a fan is installed in the inlet and the outlet so that the inflow and outflow of air can be forcibly performed, thereby maximizing the efficiency.

As described above, it is possible to minimize the indoor heat loss by changing the indoor outdoor air and the outdoor outdoor air flowing through the outdoor heat exchanging element while crossing the outdoor heat exchanging elements and changing the outdoor outdoor air to the temperature similar to the indoor air temperature will be.

In such a conventional total enthalpy heat exchanger, a plurality of dampers, which are provided in the total enthalpy heat exchanger and are to be selectively opened and closed at the time of forcibly introducing and discharging the air by driving the fan, So that it takes a long time to assemble, and the manufacturing cost is increased.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an air conditioner, a closed mode, and a bypass mode using a single damper, And to provide a bypass total enthalpy heat exchanger having a damper capable of reducing the cost required for production of a product.

According to an aspect of the present invention, there is provided a damper including: an outer case having an outdoor side outlet through which outdoor air flows in on both sides, an indoor side inlet and an outdoor side inlet through which an indoor side outlet and indoor air are discharged, A damper for use in a bypass total enthalpy heat exchanger having a bypass flow path formed in the outer case, wherein the damper is formed at both sides of the damper so as to form the indoor side inlet and the outdoor side inlet communicating with the bypass flow path, A tubular tubular member disposed inside of the outer case and a remaining portion disposed outside the outer case; A communication member installed in the tubular member through one side of the tubular member and having one end communicating with the tubular member and the other end communicating with the bypass flow path; An opening / closing member which is rotatably installed in the tubular member and opens the tubular member, a closed mode in which the tubular member is closed, and a bypass mode in which the tubular member communicates with the bypass flow path, .

Here, the opening and closing member may be constituted by a plate-shaped member whose short axis is formed to have the same length as the diameter of the tubular member and becomes the center of rotation, and whose major axis is longer than the diameter of the tubular member.

The one end of the communication member inserted into the tubular member may be formed in an inclined shape.

In addition, in the case of the open mode, the plate surface of the opening and closing member may be disposed in parallel with the longitudinal direction of the tubular member.

In addition, in the closed mode, the circumferential surface of the opening and closing member may be inclined upwards with respect to the longitudinal direction of the tubular member so as to be in contact with the inner surface of the tubular member, and the center of the plate surface of the opening and closing member may be inclined And can be disposed in close contact with one end.

In the bypass mode, the circumferential surface of the opening / closing member is inclined downward with respect to the longitudinal direction of the tubular member so as to be in contact with the inner surface of the tubular member, and the center of the plate surface of the opening / As shown in FIG.

In order to achieve the object of the present invention, the bypass total enthalpy heat exchanger including the damper includes an outdoor side outlet through which outdoor air flows into the indoor space, a indoor side inlet through which indoor air is discharged, And a damper for dividing the inner space by the plurality of partition walls and the total heat-exchanging element in the outer case of the shape and allowing the air to be introduced and the air to be discharged to pass through the inside of the total heat- A pass through all heat exchanger, wherein an inlet / outlet fan is provided at the outdoor side outlet and the indoor side outlet, and is arranged on the upper side and the lower side of the total heat exchange element inside the outer case, and the first bypass hole and the second bypass An upper plate and a lower plate each having a through hole formed therein and forming a bypass flow path between the upper plate and the lower case, And a vise portion formed in the first bypass hole and the second bypass hole and selectively provided with an electric damper for opening and closing the first bypass hole and the second bypass hole, A tubular tubular member having a side outlet, an opening formed on both sides to define the indoor inlet and outdoor inlet, a part disposed inside the outer case and a remaining part disposed outside the outer case; A communication member installed in the tubular member through one side face thereof and having one end communicating with the tubular member and the other end communicating with the bypass flow passage; a tubular member rotatably installed inside the tubular member, An open mode, a closed mode in which the tubular member is closed, and a bypass mode in which the tubular member is in communication with the bypass flow path And a damper made of an opening and closing member.

Here, the first bypass hole is formed in a diagonal direction on the plate surface of the upper plate at a position close to the outdoor side outlet and the indoor side inlet, and the second bypass hole is formed in the vicinity of the indoor side outlet and the outdoor side inlet And may be formed in a diagonal direction on the plate surface of the lower plate at the position.

The electric damper is installed in a first bypass hole formed on a plate surface of the upper plate at a position close to the outdoor side outlet and a second bypass hole formed in a plate surface of the lower plate at a position close to the indoor side outlet .

In addition, a support member for supporting one side of the intake and exhaust fan passes through the lower plate and the upper plate at a plurality of positions of the outer case.

In addition, a flow path forming wall for forming the bypass flow path may protrude from the upper surface of the upper plate and the lower surface of the lower plate, which are disposed to face each other with the inner surface of the outer case.

As described above, the bypass total enthalpy heat exchanger including the damper according to the present invention can realize the open mode, the closed mode, and the bypass mode in a simple manner using a single damper, So that it is possible to reduce the cost of production of the product.

FIG. 1 is a perspective view illustrating a structure of a bypass heat exchanger having a damper according to an embodiment of the present invention, and FIG.
FIG. 2 is an exploded perspective view of the upper plate of the bypass total enthalpy heat exchanger having the damper of FIG. 1,
3 is a sectional view taken along line III-III in FIG. 2,
4 is a sectional view taken along the line IV-IV in Fig. 2,
FIG. 5 is a perspective view showing the structure of a bottom surface on which a lower plate is mounted on an outer case of a bypass heat exchanger having a damper according to an embodiment of the present invention, and FIG.
FIG. 6 is an operation diagram illustrating an operation of bypassing air using a space between a top plate and an outer case of a bypass total enthalpy heat exchanger having a damper according to an embodiment of the present invention,
7 is an operation diagram illustrating an operation in which air is bypassed by using a spacing space between a lower plate and an outer case of a bypass total enthusiast having a damper according to an embodiment of the present invention,
8 is an operation diagram illustrating a state in which a damper according to an embodiment of the present invention operates in three modes.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a bypass total enthalpy heat exchanger having a damper according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view illustrating a structure of a bypass total enthalpy heat exchanger having a damper according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of a bypass heat exchanger having a damper of FIG. 3 is a sectional view taken along line III-III in FIG. 2, FIG. 4 is a sectional view taken along line IV-IV in FIG. 2, and FIG. 5 is a cross- 6 is a perspective view illustrating a structure of a bottom surface of a bypass heat exchanger having a damper according to an embodiment of the present invention. FIG. 7 is a view illustrating an operation in which air is bypassed by using a space between the outer case and the outer case, and FIG. 7 is a view illustrating an operation of separating a lower plate and an outer case of a bypass heat exchanger having a damper according to an embodiment of the present invention ball Is a diagram showing the operation according to the air bypass operation, using, Figure 8 is a diagram showing a state in which the damper is operated in three modes according to one embodiment of the present invention operate.

8, the damper according to the present invention includes an outdoor side outlet 101, an indoor side outlet 102, and an indoor side inlet 103 through which indoor air is discharged, And a bypass flow path 201 formed in the outer case 100. The bypass flow path 201 communicates with the bypass flow path 201. The bypass flow path 201, A tubular tubular shape in which openings are formed on both sides so as to form an indoor inlet 103 and outdoor outdoor inlet 104 and a part thereof is disposed inside the outer case 100 and the remaining part is disposed outside the outer case 100 And one end of which is connected to the tubular member 241 and the other end of which is communicated with the bypass flow path 201, Member 242, a tubular member 241 rotatably installed inside the tubular member 241, Closing member 243 for selectively forming a bypass mode in which the member 241 is opened and a closed mode in which the tubular member 241 is closed and a tubular member 241 is in communication with the bypass flow path 201 .

The damper 240 is disposed at the indoor side inlet 103 and the outdoor side inlet 104 through which the outdoor air is introduced and the indoor side outlet 102 and the room air are discharged to the outside case 100 And selectively opens and closes the air while the air is flowing to the inside and the outside of the bypass passage 201, so that they can be bypassed by communicating with the bypass passage 201.

The damper 240 mainly comprises a tubular member 241, a communication member 242, and an opening and closing member 243.

First of all, the tubular member 241 is partially inserted into the outer case 100 so as to form the outdoor side outlet 101, the indoor side outlet 102, the indoor side inlet 103 and the outdoor side inlet 104 And the other part is arranged so as to extend outside the outer case 100.

Both sides of the tubular member 241 are open so that air can flow into the outer case 100 and the outside.

One end of the communication member 242 communicates with the tubular member 241 so that the tubular member 241 can communicate with the bypass flow path 201 and the other end communicates with the bypass flow path 201, One end communicating with the outer surface of the tubular member 241 is formed to extend into the tubular member 241 by a predetermined length and inserted into the tubular member 241.

One end of the communication member 242 inserted into the inside of the tubular member 241 is formed in an inclined shape so that the opening and closing member 243 contacts the inclined end so that the end of the communication member 242 can be closed .

The inclination of the end portion of the communication member 242 is such that when the opening and closing member 243 rotates to close the inclined end portion, the circumferential surface of the opening and closing member 243 comes into contact with the inner surface of the tubular member 241, 241 are closed.

That is, the front surface of the communication member 242 disposed relatively close to the outside is formed to have a short length from the inner surface to the end of the tubular member 241, and the rear surface of the communication member 242, The length from the inner surface to the end of the tubular member 241 is long.

It is preferable that the extended region of the communication member 242 inserted into the tubular member 241 is coated with a synthetic resin material 242a such as rubber or silicone so as to increase the adhesion with the opening and closing member 243. [

The opening and closing member 243 has a short axis formed to have the same length as the diameter of the tubular member 241 and serves as the center of rotation and the long axis is formed into an elliptical shape having a length longer than the diameter of the tubular member 241. [

The opening and closing member 243 is formed in an elliptical shape so that the tubular member 241 can be closed and the end of the communication member 242 can be closed in an inclined arrangement.

8 (b), in the case of the open mode in which the tubular member 241 is fully opened, the plate surface of the opening and closing member 243 is arranged in parallel with the longitudinal direction of the tubular member 241, And outdoor air can flow together to ventilate the room.

In the closed mode in which the tubular member 241 is completely closed, the circumferential surface of the opening and closing member 243 is arranged to be inclined upward in the longitudinal direction of the tubular member 241 so as to be in contact with the inner surface of the tubular member 241 The center of the plate surface of the opening and closing member 243 is disposed so as to be in close contact with the one end of the communicating member 242 formed obliquely.

As shown in Fig. 8 (c), when the total enthalpy heat exchanger is not operated in the closed mode, external air is arbitrarily introduced into the total enthalpy heat exchanger, thereby preventing condensation from occurring inside the total enthalpy heat exchanger It is possible to prevent foreign substances from flowing into the inside of the total enthalpy heat exchanger, thereby extending the service life of the product.

8 (a), in the bypass mode, the circumferential surface of the opening and closing member 242 is arranged to be inclined downward with respect to the longitudinal direction of the tubular member 241 so as to be brought into contact with the inner surface of the tubular member 241 The center of the plate surface of the opening and closing member 243 is disposed so as not to be in contact with one end of the communication member 242. [

In the bypass mode, the air is introduced into the room without passing through the total heat-exchanging element 120 when the outside air is introduced into the room, so that the room is ventilated without raising the temperature of the room.

In order to allow each mode to be performed when the opening and closing member 242 is rotated to switch the open mode, the closed mode, and the bypass mode, a stepping motor capable of adjusting the rotation angle of the opening and closing member 242 may be used have.

1 to 7, a bypass total enthalpy heat exchanger having a damper according to the present invention includes an outdoor side outlet 101 into which outdoor air flows, indoor air outlets 102 and indoor air The inner space 130 is partitioned by the plurality of partition walls 110 and the total heat-exchanging elements 120 in the case-like outer case 100 in which the indoor inlet 103 and the outdoor inlet 104 are formed, And a damper for allowing the air to be introduced and the air to be discharged to pass through the inside of the total heat-exchanging element (120) while passing through each other, wherein the outdoor heat exchanger (101) The exhaust port 102 is provided with an intake and exhaust fan 300 and is disposed on the upper side and the lower side of the total heat exchange element 120 in the outer case 100. The first bypass hole 211 and the second bypass hole 211 A bypass hole 221 is formed to penetrate the outer case 100 And an upper plate 210 and a lower plate 220 which form a bypass flow path 201 between the first bypass hole 211 and the second bypass hole 221, And an electric damper 230 for opening and closing the first bypass hole 211 and the second bypass hole 221. The outdoor side outlet 101 and the outdoor side outlet A case-like outer case 100 having an indoor side outlet 102 and an indoor side inlet 103 and an outdoor side inlet 104 through which indoor air is discharged and a bypass duct 201 formed inside the outer case 100 The damper is used for a bypass total enthusiast having a bypass passage 101 and a bypass passage 101. The damper 102 is formed at both sides of the damper so as to form an indoor inlet 103 and an outdoor inlet 104 communicating with the bypass passage 201, And the other part of which is disposed outside the outer case 100 Shaped member 241 and one side of the tubular member 241 so as to be inserted into the tubular member 241 so that one end communicates with the tubular member 241 and the other end communicates with the bypass flow path 201 A closed mode in which the tubular member 241 is closed and an open mode in which the tubular member 241 is opened and the tubular member 241 is rotatably installed in the tubular member 241, And an opening / closing member (243) for selectively forming a bypass mode in communication with the flow path (201).

The outer case 100 includes a plurality of partition walls 110 formed in the housing and a total heat exchanging element 120 disposed at a central portion of the housing, 104 are discharged to the indoor side outlet 102 through the total heat-exchanging element. At the same time, the room air flows into the interior of the housing through the indoor inlet 103, passes through the total heat-exchanging element, 101 to the outside.

To this end, a plurality of portions of the wall surface of the outer case 100 are selectively provided with a wall surface portion (not shown) so that the outdoor side inlet 104, the indoor side inlet 103, the indoor side outlet 102 and the outdoor side outlet 101 can be arranged. A plurality of incision surfaces are formed.

Here, the outdoor side inlet 104 and the indoor side outlet 102 are arranged in a mutually diagonal direction, and the indoor side inlet 103 and the outdoor side outlet 101 are also arranged in a diagonal direction, The heat exchange element 120 communicating with the inlet 104, the indoor inlet 103, the indoor outlet 102, and the outdoor outlet 101 is arranged so that the air introduced from the outside into the room, It is preferable that the discharged air is interchanged in the inside of the total enthalpy heat exchanging element 120 so as to perform heat exchange therebetween.

The total heat-exchanging element 120 is disposed at the center of the outer case 100 and communicates with the outdoor side inlet 104, the indoor side inlet 103, the indoor side outlet 102 and the outdoor side outlet 101, So that heat exchange can be achieved.

In the central area of the outer case 100 disposed at the lower part of the total enthalpy heat exchanger, an inspection port 105 is formed in the central area of the outer heat exchanger 120 so as to be cut in the same shape as the cross- Respectively.

The check port 105 is provided with an exchange unit for exchanging the total heat exchange element 120 using the check port 105. The exchange unit includes an open / close cover 106 for opening / closing the check port 105, And a bolt 107 fastened to each vertex area of the opening / closing cover 106 so that the cover 106 can be detachably attached to the outer case 100.

Here, when the opening / closing cover 106 is hinged to one side of the outer case 100 by a hinge coupling part (not shown), the bolt 107 constituting the exchange part may be replaced with a hinge coupling part.

The intake and exhaust fan 300 is installed in the outdoor side outlet 101 and the indoor side outlet 102 so that the indoor air can be forcibly discharged to the outside and the outdoor air can be introduced into the indoor side do.

The intake / exhaust fan 300 is installed only at the outdoor side outlet 101 and the indoor side outlet 102 because the indoor inlet 103 is disposed in the diagonal direction of the outdoor side outlet 101 to form a flow path through which the air flows , And the outdoor side inlet 104 is disposed in the diagonal direction of the indoor side outlet 102 to form a flow path through which the air flows.

In other words, even if the intake / exhaust fan 300 is provided at any one of the outlets or the outlets on both sides of the flow path, air can be sufficiently flowed. Therefore, the total weight of the total heat exchanger can be reduced, And it is possible to reduce the manufacturing cost.

Meanwhile, the bypass unit 200 allows indoor air and outdoor air to flow directly from the room to the outside without passing through the total enthalpy heat exchanger 120 to ventilate the room or to directly enter the room from the outside, So that the power loss can be prevented.

The bypass unit 200 includes a top plate 210 having through holes 211 and 221 formed by a plurality of first bypass holes 211 and a second bypass hole 221, The first bypass hole 211 and the first bypass hole 221 are selectively installed in the plate 220 and the first bypass hole 211 and the second bypass hole 221 so as to open and close the first bypass hole 211 and the first bypass hole 221 And an electric damper (230).

The upper plate 210 and the lower plate 220 are connected to the upper and lower portions of the total enthalpy heat exchanging element 120 disposed in the inner central region of the outer case 100 forming the outer shape of the total enthalpy heat exchanger, Shaped member arranged so as to be spaced apart from each other.

The upper plate 210 and the lower plate 220 are spaced apart from the plate surface of the outer case 100 by a predetermined distance G so that the space between the upper plate 210 and the outer case 100, The bypass passage 201 is formed in the space between the outer case 220 and the outer case 100.

In the bypass total enthalpy heat exchanger including the damper according to the embodiment of the present invention using the bypass passage 201, air in the room and outdoor air flow directly into the room without passing through the total heat-exchanging element 120 Or out of the room.

In order to replace the total heat-exchanging element 120 after the opening / closing cover 106 detachably provided in the outer case 100 is detached from the central portion of the plate surface of the lower plate 220, A cutout hole 222 having the same shape as a cross section is formed.

A plurality of first bypass holes 211 and a plurality of second bypass holes 221 are formed in the upper plate 210 and the lower plate 220 so as to allow air to flow through the bypass passage 201 have.

The first bypass hole 211 and the second bypass hole 221 are formed in a diagonal direction on the plate surface of the upper plate 210 at a position close to the outdoor side outlet 101 and the indoor side inlet 103, Is formed in a diagonal direction on the plate surface of the lower plate (220) at a position close to the side outlet (102) and the outdoor side inlet (104).

When the air is bypassed by using the outdoor side outlet 101 and the indoor side inlet 103, by using the spacing space between the upper plate 210 and the outer case 100, And bypasses air using a space between the lower plate 220 and the outer case 100 when the indoor side outlet 102 and the outdoor side inlet 104 are used to bypass the air.

The electric damper 230 includes a first bypass hole 211 formed in the upper surface of the upper plate 210 at a position close to the outdoor side outlet 101 and a lower plate 220 located in the vicinity of the indoor side outlet 102, And is provided in the second bypass hole 221 formed on the plate surface.

Therefore, bypassing is performed using the spacing space between the upper plate 210 and the outer case 100 and bypassing using the spacing between the lower plate 220 and the outer case 100 The first bypass hole 211 and the second bypass hole 221 can be opened by using the electric damper 230. [

The intake and exhaust fan 300 includes a first bypass hole 211 in which the electric damper 230 is not provided and an outdoor side outlet 101 arranged close to the second bypass hole 221, The user can use the space between the upper plate 210 and the outer case 100 or between the lower plate 220 and the outer case 100 by operating the intake and exhaust fan 300 when the air is bypassed, So that bypassing can be performed.

When the air is bypassed through the spacing space between the upper plate 210 and the lower plate 220 and the outer case 100, the indoor side inlet 103 and the outdoor side inlet 104 can be closed respectively A damper 240 is provided on the indoor side inlet 103 and the outdoor side inlet 104. [

The detailed description of the damper 240 has been described above with reference to FIG. 8, and therefore, a detailed description thereof will be omitted.

A separate connection passage for interconnecting the first bypass hole 211 and the indoor inlet 103 is formed between the first bypass hole 211 formed on the upper surface of the upper plate 210 at a position close to the indoor inlet 103, A separate connecting passage for interconnecting the second bypass hole 221 and the outdoor side inlet 104 is formed between the second bypass hole 221 formed on the bottom surface of the lower plate 220 at a position close to the second bypass hole 221 and the outdoor side inlet 104.

The connecting flow path is formed such that the air bypassed at the time of bypassing flows through the first bypass hole 211 and the second bypass hole 221 to the indoor side inlet 103 or the outdoor side inlet 104 And then discharged through the outdoor side outlet 101 or the indoor side outlet 102.

A support member 140 for supporting one side of the intake and exhaust fan 300 passes through the lower plate 220 and the upper plate 220 at a plurality of locations of the outer case 100.

The support member 140 is formed in a cylindrical shape having a predetermined height so that one side of the support member 140 contacts the outer surface of the intake and exhaust fan 300 to support the intake and exhaust fan 300 from flowing.

A flow path forming wall 150 for forming a bypass flow path 201 is protruded from the upper surface of the upper plate 210 and the lower surface of the lower plate 220 which are disposed to face each other with the inner surface of the outer case 100.

The flow path forming wall 150 protrudes in a shape corresponding to the circumferential surface contacting the lower surface or the upper surface of the intake and exhaust fan 300. The bypass path 201 is formed in a diagonal direction, So that the air can be rapidly introduced into the bypass passage 201. [0053]

A method of operating the bypass total enthalpy heat exchanger including the damper according to an embodiment of the present invention having the above-described structure will be described below.

First, in the heating mode, air in a room flowing into the outer case 100 through the indoor inlet 103 is mixed with outdoor air introduced into the outer case 100 through the outdoor inlet 104 The air in the room flows out to the outside and the air outside the room flows into the inside of the room, thereby reducing energy loss.

8B, the damper 240 is in the open mode in which the tubular member 241 is fully opened and the plate surface of the opening and closing member 243 is in contact with the tubular member 241, As shown in Fig.

The bypass mode is used when the indoor heat exchanger 120 is not driven and the indoor air is discharged to the outside and the outside air is introduced into the room to ventilate.

The air in the room is introduced through the indoor inlet 103 and then flows into the space between the upper plate 210 and the outer case 100 as shown in FIG. And is discharged to the outside through the outlet 101 on the outdoor side.

8 (a), the damper 240 provided at the indoor side entrance 103 in this state is formed so that the peripheral surface of the opening and closing member 242 is in contact with the inner surface of the tubular member 241, And the center of the plate surface of the opening and closing member 243 is disposed so as not to be in contact with one end of the communication member 242 so as to be in communication with the bypass passage 201.

The damper 240 installed in the outdoor side entrance 104 is driven by the intake and exhaust fan 300 provided in the outdoor side outlet 101 in the closed state and is installed in a position near the outdoor side outlet 101, The pass hole 211 is opened by the electric damper 230.

7, when the bypass mode for introducing the outdoor air into the interior is driven, the outdoor air is introduced through the outdoor inlet 104 and then the air is introduced between the lower plate 220 and the outer case 100 And flows into the inside through the outlet port 102 in the room.

In this state, the damper 240 provided at the outdoor side inlet 104 is in the open mode, and the damper 240 provided at the indoor side inlet 103 is provided in the indoor side outlet 102 in the closed mode And the second bypass hole 221 formed at a position close to the indoor side outlet 102 is opened by the electric damper 230. In this case,

On the other hand, when it is necessary to replace the total enthalpy heat exchanging element 120, the opening / closing cover 106 coupled to the outer case 100 under the total enthalpy heat exchanger is removed, and the total heat exchanging element 120 is taken out from the inside of the total enthalpy heat exchanger. The total enthalpy heat exchanging element 120 can be exchanged conveniently by inserting the total heat exchanging element and connecting the opening / closing cover 106 to the outer case 100 using the bolts 107.

When the total enthalpy heat exchanger is not driven, as shown in FIG. 8 (c), by keeping the damper 240 in the closed mode, the outside air is arbitrarily introduced into the total enthalpy heat exchanger, And prevents foreign substances from entering into the interior of the total enthalpy heat exchanger, thereby prolonging the service life of the product.

It is to be understood that the scope of the present invention should not be construed as being limited to the embodiments described above, 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.

100: outer case 101: outdoor side outlet
102: Indoor side outlet 103: Indoor side entrance
104: outdoor side entrance 110: partition wall
120: Total heat exchanging element 130: Internal space
140: support member 150: flow path forming wall
200: bypass unit 210: upper plate
211: first bypass hole 220: lower plate
221: second bypass ball 230: electric damper
240: damper 241: tubular member
242: communication member 243: opening / closing member
300: Suction and exhaust fans

Claims (11)

A case-like outer case 100 formed with an outdoor side outlet 101 into which outdoor air flows into each side, an indoor side outlet 102 and indoor side inlet 103 and outdoor side inlet 104 through which indoor air is discharged, And a bypass flow path (201) formed in the outer case (100), the damper being used in a bypass heat transfer ex- changer,
Side opening 103 and an outdoor-side inlet 104 communicating with the bypass passage 201, and a part of the opening is formed inside the outer case 100, A tubular tubular member 241 disposed outside the case 100;
The tubular member 241 is inserted into the tubular member 241 through one side of the tubular member 241 so that one end thereof communicates with the tubular member 241 and the other end communicates with the bypass passage 201 242);
A closed mode in which the tubular member 241 is opened and an open mode in which the tubular member 241 is closed and the tubular member 241 is rotatably installed in the tubular member 241, An opening / closing member 243 selectively forming a bypass mode communicating with the bypass valve (not shown);
Wherein the damper comprises: The method according to claim 1,
The open / close member 243 has a short axis formed to have the same length as the diameter of the tubular member 241 and serves as a center of rotation, and the long axis is formed into an elliptical shape having a length longer than the diameter of the tubular member 241 And the damper. 3. The method of claim 2,
And the one end of the communication member (242) inserted into the tubular member (241) is formed in an inclined shape. The method of claim 3,
Wherein the plate surface of the opening and closing member (243) is disposed in parallel with the longitudinal direction of the tubular member (241) in the open mode. The method of claim 3,
In the closed mode, the circumferential surface of the opening and closing member 243 is inclined upwards relative to the longitudinal direction of the tubular member 241 to be in contact with the inner surface of the tubular member 241, And the center of the plate surface is disposed so as to be in close contact with the one end of the communication member (242) which is formed obliquely. The method of claim 3,
In the bypass mode, the circumferential surface of the opening and closing member 242 is inclined downward in the longitudinal direction of the tubular member 241 to be in contact with the inner surface of the tubular member 241, Is disposed so as not to be in contact with the one end of the communication member (242). An outer case 100 of an enclosure shape in which an outdoor side outlet 101 into which outside air flows into both sides and an indoor side outlet 102 and an indoor side inlet 103 and an outdoor side inlet 104 through which indoor air is discharged are formed, The internal space 130 is divided by the plurality of partition walls 110 and the total heat-exchanging element 120, and the air to be introduced and the air to be discharged pass through the inside of the total heat-exchanging element 120 while passing through each other, The bypass heat exchanger comprising:
An inlet / outlet fan (300) is installed in the outdoor side outlet (101) and the indoor side outlet (102)
A first bypass hole 211 and a second bypass hole 221 are formed in the upper surface and the lower surface of the total enthalpy heat exchanging element 120 in the outer case 100 to penetrate the outer case And an upper plate 210 and a lower plate 220 which form a bypass passage 201 between the first bypass hole 211 and the second bypass hole 221 and the first bypass hole 211 and the second bypass hole 221, And a motorized damper (230) for opening and closing the first bypass hole (211) and the second bypass hole (221)
A bypass total enthalpy heat exchanger comprising a damper according to any one of claims 1 to 6. 8. The method of claim 7,
The first bypass hole 211 is formed in a diagonal direction on the plate surface of the upper plate 210 at a position close to the outdoor side outlet 101 and the indoor side inlet 103, 221) are formed in a diagonal direction on a plate surface of the lower plate (220) at a position close to the indoor side outlet (102) and the outdoor side inlet (104). 9. The method of claim 8,
The electric damper 230 includes a first bypass hole 211 formed in a plate surface of the upper plate 210 at a position close to the outdoor side outlet 101 and a second bypass hole 211 formed at a position close to the indoor side outlet 102. [ Is provided in a second bypass hole (221) formed in the plate surface of the lower plate (220). 10. The method of claim 9,
A support member 140 protruding from the lower plate 220 and the upper plate 220 to support one side of the intake and exhaust fan 300 is formed at a plurality of locations of the outer case 100 A bypass total enthalpy heat exchanger having a damper. 11. The method of claim 10,
A flow path forming wall 150 for forming the bypass flow path 201 is formed on the plate surface of the upper plate 210 and the lower plate 220 so as to face the inner surface of the outer case 100 Wherein the damper comprises a damper.

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