KR20220076608A - A ventilation apparatus - Google Patents

Abstract

The present invention relates to a ventilation device, comprising a space portion formed therein, a first intake port through which indoor air is sucked, a first opening through which the suctioned indoor air is discharged, a second intake port through which outdoor air is sucked, and a casing each having a second opening through which outdoor air is discharged; a discharge duct coupled to the casing to communicate with the first opening and having a first discharge port for discharging indoor air introduced through the first opening to the outside; a partition wall disposed in the casing to partition the casing into a first chamber including the first intake port and the first opening and a second chamber including the second intake port and the second opening; a wheel rotatably disposed in the first and second chambers and having a heat exchange element disposed on a side wall of the heat exchange element for heat-exchanging indoor air passing through the first chamber and outdoor air passing through the second chamber; and a motor for rotating the wheel.

Description

Ventilation system {A VENTILATION APPARATUS}

The present invention relates to a ventilation device, and more particularly, to a ventilation device including a cylindrical wheel.

Modern life is inevitably accompanied by indoor life blocked from outside air, and accordingly, a ventilation device for exchanging indoor air with outdoor air is essential.

A general indoor ventilation device is used in a way to exhaust indoor air to the outside using a blower.

However, when the indoor air is discharged in this way, the cold or hot air in the room is discharged to the outside without filtration, and also the outdoor air flows in through the gaps in the window or door, thereby losing the cool and half heat of the indoor air. will result in wastage of

Therefore, in the prior art, a waste heat recovery ventilator has been proposed to solve the above problems, and the waste heat recovery ventilator exhausts indoor polluted air and at the same time supplies outdoor air to the room through filtration, purification and heat exchange. say the system

The waste heat recovery ventilator includes a heat exchange element, and when ventilation is required during indoor heating and cooling, the heat exchange element preserves the thermal energy of the indoor air discharged to the outdoors and transfers the heat energy to the outdoor air supplied to the room.

That is, the heat exchange element absorbs thermal energy (sensible heat and latent heat) contained in the ventilated indoor air and transfers the absorbed thermal energy to the supplied outdoor air.

There are two types of waste heat recovery ventilation devices: a fixed total heat exchanger and a rotary total heat exchanger.

A conventional rotary total heat exchanger includes a rotatable wheel on which a heat exchange element is disposed, and a casing in which the wheel is accommodated. The wheel is generally manufactured in the shape of a disk, and thus, when the wheel is disposed in the casing, there is a problem in that an area corresponding to the corner portion of the casing is wasted.

In addition, the conventional rotary total heat exchanger has a problem in that the diameter or thickness of the wheel is increased to increase heat exchange performance, and accordingly, the size and installation area of the ventilation device are also increased, making it difficult to install in a narrow space.

An object of the present invention is to provide a ventilation device including a wheel having a cylindrical shape.

Another object of the present invention is to provide a ventilation device that can be installed even in a narrow space.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a ventilation device according to an embodiment of the present invention,

A space is formed therein, and a first intake port through which indoor air is sucked, a first opening through which the suctioned indoor air is discharged, a second intake port through which outdoor air is sucked, and a second opening through which the suctioned outdoor air is discharged. each formed casing; a discharge duct coupled to the casing to communicate with the first opening and having a first discharge port for discharging indoor air introduced through the first opening to the outside; a partition wall disposed in the casing to partition the casing into a first chamber including the first intake port and the first opening and a second chamber including the second intake port and the second opening; a wheel rotatably disposed in the first and second chambers and having a heat exchange element disposed on a side wall of the heat exchange element for heat-exchanging indoor air passing through the first chamber and outdoor air passing through the second chamber; and a motor rotating the wheel.

coupled to the casing to communicate with the second opening, and the second opening

It may include an air supply duct formed with a second outlet for discharging the outdoor air introduced through the indoor.

The air supply duct may include: a first extension extending upwardly from the second opening of the casing; a second extension extending in a direction crossing the first extension; and a bent part formed between the first extension part and the second extension part.

In addition, it may include a blower disposed in the bent portion.

In addition, it may include a belt connected to the wheel, including a rotation shaft disposed to be spaced apart from the motor, and each connected to the motor and the rotation shaft.

The wheel may include a first rim disposed above the sidewall and a second rim disposed below the sidewall, wherein the sidewall may extend along a circumferential direction of the first rim and the second rim. have.

The first rim includes a first inner rim disposed above the side wall and a first outer rim disposed spaced apart from the outside of the first inner rim, and the second rim is disposed below the side wall. It may include a second inner rim and a second outer rim spaced apart from the second inner rim.

It may include a support frame connected to the wheel, including a rotation shaft spaced apart from the motor, having a shaft hole into which the rotation shaft is inserted, and extending from the shaft hole toward the first rim.

It may include a connection block coupled to the second outer rim and the second inner rim, respectively.

It may include a connection frame extending in the vertical direction and coupled to the first rim and the second rim, respectively.

The heat exchange element may include: a plurality of flat plate portions disposed along the periphery of the sidewall and disposed to be vertically spaced apart from each other; A wrinkle portion disposed between the plurality of flat plate portions may be included, and a through hole may be formed between the plurality of flat plate portions and the plurality of wrinkle portions.

The partition wall may include upper recesses respectively formed at both ends of the upper portion; a middle recess formed between the upper recesses; And it may include a lower recess formed at both ends of the lower, respectively.

It may include a filter disposed at the second intake port of the casing.

The details of other embodiments are included in the detailed description and drawings.

According to the ventilation device of the present invention, there are one or more of the following effects.

First, there is an advantage in that the heat exchange performance of the ventilation device is improved by increasing the heat exchange area between the wheel and the indoor air and outdoor air by having a cylindrical wheel.

Second, by having a cylindrical wheel, the installation area is reduced compared to the conventional rotary total heat exchanger, so that it can be installed in a narrow space.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view of a ventilation device according to an embodiment of the present invention.
2 is a cross-sectional view of a ventilation device according to an embodiment of the present invention.
3 is a perspective view of a casing according to an embodiment of the present invention as viewed from one side.
4 is a perspective view of the casing according to an embodiment of the present invention as viewed from the other side.
5 is a perspective view of an air supply duct in an embodiment of the present invention.
6 is a perspective view of a discharge duct according to an embodiment of the present invention.
7 is a perspective view of a wheel according to an embodiment of the present invention;
8 is a front view of a partition wall according to an embodiment of the present invention.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, the present invention will be described with reference to the drawings for explaining a ventilation device according to embodiments of the present invention.

Hereinafter, on the basis of the coordinate system shown in Figs. 1 to 8, the ventilation device according to an embodiment of the present invention or a direction for its components is defined.

The direction in which the x-axis is directed can be defined as the front-back direction. The direction from the origin to the +x axis may be referred to as the forward direction, and the direction to the -x axis may be referred to as the rearward direction. The direction in which the y-axis is directed can be defined as the left-right direction. A direction in which the +y axis is directed from the origin may be referred to as a right direction, and a direction in which the -y axis is directed may be referred to as a left direction. A direction in which the z-axis is directed may be defined as an up-down direction. The direction in which the +z-axis is directed may be referred to as an upper direction, and the direction in which the -z-axis is directed may be referred to as a lower direction.

Hereinafter, referring to FIG. 1 , the ventilation device according to an embodiment of the present invention includes a supply duct 10 for supplying outdoor air to an indoor space, a casing 20 in which a space in which indoor air and outdoor air flow are formed, and an indoor space. A discharge duct 30 for discharging air to the outdoor space, a wheel 40 rotating within the casing 20 and exchanging heat with indoor air and outdoor air, and a motor 50 for transmitting rotational force to the wheel 40. can

The air supply duct 10 may be disposed on the upper side of the casing (20). The air supply duct 10 may communicate with the upper portion of the casing. The front of the air supply duct 10 may be opened. The open front side of the air supply duct 10 may form a second discharge port 12 . Accordingly, the outdoor air introduced into the air supply duct 10 from the casing 20 may be supplied to the indoor space through the second outlet 12 .

The discharge duct 30 may be disposed below the casing 20 . The discharge duct 30 may communicate with the lower portion of the casing 20 . A rear surface of the discharge duct 30 may be opened. The open rear surface of the discharge duct 30 may form a first discharge port 32 . Accordingly, the indoor air introduced into the discharge duct 30 from the casing 20 may be discharged to the outdoor space through the first discharge port 32 . (See Fig. 6)

The casing 20 may be disposed between the air supply duct 10 and the discharge duct 30 . The casing 20 may be formed with a space in which indoor air and outdoor air flow.

The front and rear surfaces of the casing 20 may be opened.

The open front surface of the casing 20 may form a first intake port 21 . Accordingly, indoor air may be introduced into the casing 20 through the first intake port 21 .

The opened rear surface of the casing 20 may form a second intake port 23 . Accordingly, outdoor air may be introduced into the casing 20 through the second intake port 23 . (See Fig. 3)

The wheel 40 may be rotatably disposed inside the casing 20 . The wheel 40 rotates and may receive heat from the indoor air flowing inside the casing 20 and transfer heat back to the outdoor air, or may receive heat from the outdoor air and transfer the heat back to the indoor air. Accordingly, the outdoor air and the indoor air may exchange heat with each other through the wheel 40 .

The motor 50 may be installed on the upper surface of the casing 20 . The motor 50 and the rotation shaft 46 connected to the wheel 40 and spaced apart from the motor 50 may be connected to each other by a belt 51 . Accordingly, the wheel 40 may rotate by receiving rotational force from the motor 50 .

Hereinafter, with reference to FIG. 2, the interior of the ventilation device according to an embodiment of the present invention will be described. The ventilation device according to the embodiment of the present invention supplies a partition wall 60 installed inside the casing 20, a filter 70 that blocks foreign substances from the air flowing into the casing 20, and outdoor air into the indoor space. It may include a blower 80 that does.

The partition wall 60 may be installed inside the wheel 40 . The partition wall 60 may divide the space of the casing 20 into a first chamber C1 through which indoor air flows and a second chamber C2 through which outdoor air flows.

The first chamber C1 may be formed in the front portion of the partition wall 60 . The first chamber C1 may include a first intake port 21 and a first opening 22 (refer to FIG. 4 ) of the casing 20 . (See Fig. 4)

The second chamber C2 may be formed in the rear portion of the partition wall 60 . The second chamber C2 may include a second intake port 23 and a second opening 24 (refer to FIG. 3 ).

The filter 70 may be disposed at the second intake port 23 of the casing 20 . The filter 70 may be disposed on the first intake port 21 as well as the second intake port 23 of the casing. The filter 70 may be a pre-filter that blocks foreign substances from the indoor air and/or outdoor air flowing into the casing 20 .

The blower 80 may be disposed inside the air supply duct 10 . Preferably, the blower 80 may be disposed in the bent portion 15 (refer to FIG. 5) of the air supply duct 10 to be described later. Accordingly, the outdoor air introduced into the air supply duct 10 can be supplied to the indoor space.

Hereinafter, the flow of indoor air and outdoor air in the casing 20 will be described with reference to FIG. 2 .

Indoor air may be introduced into the first chamber C1 through the first intake port 21 of the casing 20 . The indoor air introduced into the first chamber C1 may pass through the rotating wheel 40 and exchange heat with the heat exchange element 48 (refer to FIG. 7 ) disposed on the side wall 47 of the wheel 40 . The indoor air passing through the wheel 40 may be introduced into the discharge duct 30 from the first chamber C1 through the first opening 22 (refer to FIG. 4 ) of the casing 20 . The indoor air introduced into the discharge duct 30 may be discharged to the outdoor space through the first discharge port 32 .

Outdoor air may be introduced into the second chamber C2 through the second intake port 23 of the casing 20 . The outdoor air introduced into the second chamber C2 may pass through the rotating wheel 40 and exchange heat with the heat exchange element 48 (refer to FIG. 7 ) disposed on the side wall 47 of the wheel 40 . The outdoor air passing through the wheel 40 may be introduced into the air supply duct 10 from the second chamber C2 through the second opening 24 of the casing 20 (refer to FIG. 3 ). The outdoor air introduced into the air supply duct 10 may be introduced into the indoor space through the second outlet 12 .

Hereinafter, the structure of the casing 20 of the ventilation device according to an embodiment of the present invention will be described with reference to FIGS. 3 and 4 .

The casing 20 may form a space in which the wheel 40 and the partition wall 60 are accommodated. The upper surface of the casing 20 may be separated to have a structure that covers the upper side of the space after the wheel 40 and the partition wall 60 are disposed in the space. The casing 20 may have open front and rear surfaces. The open front may form a first intake port 21 through which indoor air is sucked into the casing 20 , and the open rear may form a second intake port 23 through which outdoor air is sucked into the casing 20 . have.

A first opening 22 for discharging indoor air sucked in through the first intake port 21 to the discharge duct 30 may be formed on the lower surface of the casing 20 . The first opening 22 may be formed in a semicircular shape. The first opening 22 may be formed in a shape corresponding to a half of a cross-section of the wheel 40 .

A second opening 24 for discharging outdoor air sucked in through the second intake port 23 to the air supply duct 10 and a hole into which the rotating shaft 46 is inserted may be formed on the upper surface of the casing 20 . The second opening 24 may be formed in a semicircular shape. The second opening 24 may be formed in a shape corresponding to a half of the cross-section of the wheel 40 .

The first opening 22 and the second opening 24 are formed at the front of the barrier rib 60 with respect to the barrier rib 60 , and the second opening 24 is formed at the rear of the barrier 60 . can be

Hereinafter, the structure of the air supply duct 10 and the discharge duct 30 according to an embodiment of the present invention will be described with reference to FIGS. 5 and 6 .

The air supply duct 10 may be disposed on the upper side of the casing 20 and coupled to the casing 20 so as to communicate with the second opening 24 of the casing 20 . The lower surface of the air supply duct 10 may be opened to form a second communication port 11 communicating with the second opening 24 of the casing 20 . The second communication hole 11 may be formed in a shape corresponding to the second opening 24 .

The front surface of the air supply duct 10 may be opened to form the second discharge port 12 . The second outlet 12 may supply outdoor air introduced through the second opening 24 of the casing 20 to the indoor space. Therefore, the outdoor air introduced into the casing 20 flows into the air supply duct 10 through the second communication port 11 , and the outdoor air introduced into the air supply duct 10 passes through the second outlet 12 . It can be supplied to the indoor space.

The air supply duct 10 includes a first extension part 13 extending upwardly from the second opening 24 of the casing 20 , and a second extension part 14 extending in a direction crossing the first extension part 13 . ) and a bent part 15 formed between the first extension part 13 and the second extension part 14 may be included. The air supply duct 10 may be bent in a "L" shape.

The bent part 15 of the air supply duct 10 corresponds to a corner formed by meeting the first extension part 13 and the second extension part 14, or the first extension part 13 and the second extension part 14 ) may correspond to the surface formed between

The discharge duct 30 may be disposed under the casing 20 and coupled to the casing 20 so as to communicate with the first opening 22 of the casing 20 . A portion of the upper surface of the discharge duct 30 may be opened to form a first communication hole 31 communicating with the first opening 22 of the casing 20 . The first communication hole 31 may be formed in a shape corresponding to the first opening 22 .

The rear surface of the discharge duct 30 may be opened to form the first discharge port 32 . The first discharge port 32 may discharge the indoor air introduced through the first opening 22 of the casing 20 to the outdoor space. Accordingly, the indoor air introduced into the casing 20 is introduced into the discharge duct 30 through the first opening 22 , and the indoor air introduced into the discharge duct 30 is outdoors through the first discharge port 32 . can be discharged into space.

Hereinafter, the structure of the wheel 40 according to an embodiment of the present invention will be described with reference to FIG. 7 .

The wheel 40 may be rotatably disposed in the first and second chambers C1 and C2 of the casing 20 . The wheel 40 has a hollow portion therein, and may be formed in a cylindrical shape. Therefore, compared to the disk-shaped wheel of the conventional rotary total heat exchanger, the entire edge of the casing can be used without wasting, so that the heat exchange area between the indoor air and the outdoor air is increased, and the heat exchange performance of the ventilation device can be improved.

In addition, since the installation area is reduced compared to the conventional rotary total heat exchanger, it can be easily installed even in a narrow space such as a window.

The wheel 40 may include a first rim 41 , a support frame 42 , a second rim 43 , a connection block 44 , a connection frame 45 , and a side wall 47 .

The wheel 40 may include a first rim 41 disposed on an upper side of the sidewall 47 and a second rim 43 disposed on a lower side of the sidewall 47 .

The first rim 41 may include a first outer rim 41a and a first inner rim 41b. The first inner rim 41b may be disposed above the sidewall 47 , and the first outer rim 41a may be disposed to be spaced apart from the outside of the first inner rim 41b. Accordingly, a separation space may be formed between the first outer rim 41a and the first inner rim 41b, and the sidewall 47 may be disposed in the separation space.

The support frame 42 has a shaft hole 42h into which the rotation shaft 46 is inserted, and a part of the rotation shaft 46 is inserted into the shaft hole 42h so that the support frame 42 and the rotation shaft 46 can be coupled. . The support frame 42 may extend from the shaft hole 42h toward the first rim 41 and be connected to the first rim 41 . Accordingly, the rotation shaft 46 and the wheel 40 are connected, and the wheel 40 may be rotated by the rotational force transmitted from the motor 50 to the rotation shaft 46 .

The second rim 43 may include a second outer rim 43a and a second inner rim 43b. The second inner rim 43b may be disposed below the sidewall 47 , and the second outer rim 43a may be disposed to be spaced apart from the outside of the second inner rim 43b. Accordingly, a separation space may be formed between the second outer rim 43a and the second inner rim 43b, and the side wall 47 may be disposed in the separation space.

The connection block 44 may be coupled to the second outer rim 43a and the second inner rim 43b, respectively. Accordingly, it is possible to prevent the second outer rim 43a and the second inner rim 43b from being separated when the wheel 40 is rotated.

The connection frame 45 may extend in the vertical direction and may be arranged in plurality on the outside of the side wall 47 . The connection frame 45 may be respectively connected to the first rim 41 and the second rim 43 . Accordingly, it is possible to prevent the first rim 41 and the second rim 43 from being separated when the wheel 40 is rotated.

The sidewall 47 may be disposed between the first rim 41 and the second rim 43 . The sidewall 47 may extend along the circumferential direction of the first rim 41 and the second rim 43 , and may form a circumferential surface of the wheel 40 . A heat exchange element 48 for exchanging heat between the outdoor air passing through the first chamber C1 and the indoor air passing through the second chamber C2 may be disposed on the side wall 47 .

The heat exchange element 48 may absorb heat from the indoor air and transfer it to the outdoor air or, conversely, absorb heat from the outdoor air and transfer it to the outdoor air. The heat exchange element 48 may be made of a material having high thermal conductivity.

The heat exchange element 48 may include a plurality of annular flat plate portions 48a extending along the circumference of the sidewall 47 and a plurality of wrinkle portions 48b continuously bent along the circumference of the sidewall 47 . have.

The plurality of flat plate portions 48a may be disposed along the circumference of the sidewall 47 and may be vertically spaced apart from each other. The plurality of pleats 48b may be disposed between the plurality of flat portions 48a. The plurality of flat plate portions 48a and the plurality of corrugated portions 48b may be alternately stacked to form a honeycomb structure, and a through hole 48h is formed between the plurality of flat plate portions 48a and the plurality of corrugated portions 48b. can be formed. Accordingly, outdoor air and indoor air may pass through the wheel 40 through the through hole 48h and exchange heat with the wheel 40 .

Hereinafter, the structure of the partition wall 60 according to an embodiment of the present invention will be described with reference to FIG. 8 .

The partition wall 60 may be disposed within the casing 20 and disposed inside the wheel 40 . The partition wall 60 may extend in the vertical direction. The lower end of the partition wall 60 may be connected to the bottom surface of the casing 20 .

The partition wall 60 may include an upper recess 62 , a middle recess 61 , and a lower recess 63 .

The upper recess 62 may be recessed inward from each of the upper both ends of the partition wall 60 to form a step difference. Accordingly, the upper recess 62 may receive a portion of the first inner rim 41b.

The middle recess 61 may be formed by being depressed downward from the upper central portion of the partition wall 60 . The middle recess 61 may be formed between the upper recess 62 . Accordingly, the middle recess 61 may receive a portion of the rotation shaft 46 .

The lower recess 63 may be recessed inward from each of the lower both ends of the partition wall 60 to form a step difference. Accordingly, the lower recess 63 may receive a portion of the second inner rim 43b.

Accordingly, the partition wall 60 is formed so as not to interfere with the rotation of the wheel 40 , and at the same time, the first chamber C1 through which indoor air flows and the second chamber through which outdoor air flows through the inner space of the casing 20 . (C2) can be partitioned.

In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the specific embodiments described above, and in the technical field to which the present invention belongs, without departing from the gist of the present invention as claimed in the claims Various modifications are possible by those of ordinary skill in the art, and these modifications should not be individually understood from the technical spirit or prospect of the present invention.

10: supply air duct
20: casing
30: discharge duct
40 : wheel
50: motor
60: bulkhead
70: filter
80: blower

Claims (13)

A space is formed therein, and a first intake port through which indoor air is sucked, a first opening through which the suctioned indoor air is discharged, a second intake port through which outdoor air is sucked, and a second opening through which the suctioned outdoor air is discharged. each formed casing;
a discharge duct coupled to the casing to communicate with the first opening and having a first discharge port for discharging indoor air introduced through the first opening to the outside;
a partition wall disposed in the casing to partition the casing into a first chamber including the first intake port and the first opening and a second chamber including the second intake port and the second opening;
a wheel rotatably disposed in the first and second chambers and having a heat exchange element disposed on a sidewall for exchanging heat between indoor air passing through the first chamber and outdoor air passing through the second chamber; and
Ventilation device including a motor for rotating the wheel.
According to claim 1,
and an air supply duct coupled to the casing to communicate with the second opening and having a second outlet for discharging outdoor air introduced through the second opening into a room.
3. The method of claim 2,
The air supply duct is
a first extension portion extending upwardly from the second opening of the casing;
a second extension extending in a direction crossing the first extension; and
Ventilation including a bent portion formed between the first extension and the second extension
Device.
4. The method of claim 3,
Ventilation device including a blower disposed in the bent portion. According to claim 1,
A ventilator comprising a belt connected to the wheel, including a rotating shaft spaced apart from the motor, and respectively connected to the motor and the rotating shaft.
According to claim 1,
The wheel is
a first rim disposed on an upper side of the sidewall, and a second rim disposed on a lower side of the sidewall,
The side wall is
A ventilation device extending along the circumferential direction of the first rim and the second rim.
7. The method of claim 6,
The first rim is
a first inner rim disposed on the upper side of the side wall and a first outer rim disposed spaced apart from the first inner rim,
The second rim is
A ventilation device comprising a second inner rim disposed below the side wall and a second outer rim disposed spaced apart from the outside of the second inner rim.
7. The method of claim 6,
A ventilator comprising a support frame connected to the wheel, including a rotation shaft disposed to be spaced apart from the motor, a shaft hole into which the rotation shaft is inserted, and a support frame extending from the shaft hole toward the first rim.
8. The method of claim 7,
The second outer rim and the ventilation device comprising a fixing block respectively connected to the second inner rim.
8. The method of claim 7,
Ventilation device including a connecting frame extending in the vertical direction and connected to the first rim and the second rim, respectively.
According to claim 1,
The heat exchange element,
a plurality of flat plates disposed along the periphery of the sidewall and disposed to be vertically spaced apart from each other;
It includes a plurality of wrinkle portions disposed between the plurality of flat portions,
A ventilation device in which a through hole is formed between the plurality of flat parts and the plurality of wrinkle parts.
According to claim 1,
The partition wall is
Upper recesses respectively formed at both ends of the upper portion;
a middle recess formed between the upper recesses; and
Ventilation device including lower recesses respectively formed at both ends of the lower.
According to claim 1,
Ventilation device including a filter installed in the second intake port of the casing.

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