KR20180027110A - A heat recovery ventilator for preventing condensation - Google Patents

Abstract

The present invention relates to a ventilation device capable of not only improving energy efficiency but also removing condensation very easily by forming a bypass duct on a lower portion of an electric heat exchange portion and a heating portion between a lower frame and a lower heat insulating material. According to the present invention, after outdoor air introduced through an outdoor air intake port (11) is heat-exchanged with indoor air introduced through an indoor air intake port (12) in an electric heat exchange portion (20), the outdoor air is discharged indoors through an indoor discharge port (13), and the indoor air is discharged outdoors through an outdoor discharge port (14). According to the present invention, a bypass duct (40) is formed on a lower portion of the electric heat exchange portion (20), a partition (50) is formed between the outdoor air intake port (11) and a first surface (21) of the electric heat exchange portion (20), a through-hole (51) is formed on the partition (50), and a damper (55) capable of rotating is formed on a lower side of the through-hole (51). If the damper (55) closes the through-hole (51), outdoor air passes through the outdoor air intake port (11) and the bypass duct (40) without passing through the electric heat exchange portion (20) so as to be discharged indoors through the indoor discharge port (13). If the damper opens the through-hole (51), the bypass duct (40) is closed such that outdoor air passes through the electric heat exchange portion (20) to be discharged indoors through the indoor discharge port (13).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a heat recovery ventilator for preventing condensation,

The present invention relates to a waste heat recovery ventilator that improves energy efficiency by exchanging outdoor air with room air and then supplying the indoor air to the room.

Indoor air in our living room is polluted by various factors. In order to live a comfortable life, it is essential to vent the contaminated indoor air to the outside and to introduce outdoor air into the room.

Especially, in places where many people, such as offices, stay in a narrow space, ventilation should be made from time to time. At this time, there was a method of opening a window or using a ventilator in general ventilation.

However, when ventilation is performed by opening the windows provided in a building, efficiency of cooling and heating of the building is lowered. Recently, ventilation devices capable of forcibly ventilating the building air are installed in buildings Is being installed.

In addition, today 's residential space is becoming more and more high - level stability, energy conservation, noise and security problems such as the opening of the window is limited, and the living space is becoming more and more confidential and closed.

As a result of this change, almost all of buildings today require a ventilator that supplies fresh air to the inside and discharges the air inside to the outside, and a waste heat recovery type ventilator having an overall heat exchange portion is mainly used as the ventilator have.

In the waste heat recovery type ventilator of this structure, outdoor air is introduced into the frame by an outdoor air intake port, filtered by a filter, and then supplied to the room through an indoor air outlet. At the same time, indoor air is introduced into the frame through the indoor air inlet, And discharged outdoors through an outlet.

In the conventional waste heat recovery type ventilator, the total heat-exchanging portion is located inside the frame, and the indoor air introduced through the indoor air inlet passes through the total heat-exchanging portion before being discharged to the outside through the outdoor outlet, And outdoor air introduced through the outdoor air intake port also passes through the total heat exchange portion and is discharged through the indoor outlet after receiving the heat energy transmitted to the total heat exchange portion by the indoor air. At this time, the discharge of the outdoor air and the indoor air is performed by the blowing fan, and the operation control of the blowing fan and the like is performed by the control box installed in the frame.

Korean Patent Registration No. 0690987 discloses a method of ventilating indoor / outdoor air through a total heat exchange portion for a certain period of time during which a harmful component causing a sick house syndrome is detected after a building is expanded or contracted, so that the harmful component is easily discharged to the outside, An air cleaning system using a ventilation unit capable of preventing heat loss by purifying indoor air using a filter and an anion generator and recycling it to the room has been introduced.

However, the above patent has a considerable difficulty in replacing the filter and the anion generating material, and frequently causes condensation inside the system. When the heat exchange performance of the total heat exchanging part is lowered, it is required to be periodically replaced. In order to replace the total heat exchanging part, There is a problem that the whole should be disassembled.

In addition, although the energy efficiency is sometimes lowered when the outdoor air passes through the total heat exchanging part, the technology using the bypass duct has been introduced. However, since the complicated bypass duct increases the ventilation device, A problem has arisen.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a heat exchanger which is capable of easily removing condensation by forming a bypass duct in a lower portion of an entire heat exchange portion, and forming a heat generating portion between a lower frame and a lower heat insulating material, The present invention has an object to provide a waste heat recovery ventilation device for a dew condensation prevention device which is easy to replace a filter and simplifies the configuration of the device, and is low in manufacturing cost and maintenance cost.

According to an aspect of the present invention, there is provided a device for recovering waste heat for a dew condensation prevention heat exchanger, wherein outdoor air introduced through an outdoor air intake port is heat-exchanged with indoor air introduced through an indoor air intake port, Wherein the indoor air is discharged to the outside through an outdoor outlet and the upper and lower frames are formed with the outdoor air inlet, the indoor air inlet, the indoor air outlet and the outdoor air outlet, A partition wall is formed between the outdoor air inlet and the first surface of the total heat exchange portion, a passage hole is formed in the partition wall, and a damper rotatable on the lower side of the passage hole is formed , And when the damper closes the passage hole, the outdoor air does not pass through the total heat- And the bypass duct is closed when the damper opens the passage hole so that the outdoor air passes through the indoor heat exchanger and flows into the indoor space through the indoor exhaust port And a heat generating part is formed on at least one corner of the four corners of the lower frame, the heating part including: a metal foil adhered to the corner part; And a heating wire fixed to the upper surface of the metal foil.

When the damper closes the passage hole, the damper is inclined forward and upward so that the damper guides the outdoor air to the bypass duct, and when the damper opens the passage hole, the damper is inclined forward And the damper can guide the outdoor air to the first surface of the total heat-exchanging portion.

The indoor air discharge port is formed with a fragrance storage device, and the fragrance storage device includes a case capable of containing a fragrance; A cover formed on a front surface of the case; And an opening formed in the upper surface of the case, the opening being connected to the indoor discharge port, wherein the perfume of the fragrance is discharged through the opening of the opening due to a pressure drop according to the flow rate of the outdoor air passing through the indoor discharge port. Can be supplied to the room together with outdoor air.

An adjusting lever for adjusting the degree of opening of the opening may be formed in the opening.

In addition, the upper frame may have a replaceable cover that can be opened to replace the entire heat exchange unit, and a handle may be formed on the upper surface of the total heat exchange unit.

In the present invention, a bypass duct is formed in the lower part of the total heat-exchanging part and a heat-generating part is formed between the lower frame and the lower heat-insulating material, energy efficiency can be improved and condensation can be easily removed, So that the replacement of the fragrance or the like becomes very simple, and the amount of the fragrance or the like introduced into the room can be easily controlled.

In addition, by forming a partition and a damper, the outdoor air can be diffused evenly to the first surface of the total heat exchange section or guided smoothly by the bypass duct, and the replacement cover is formed on the upper frame, And the overall structure of the ventilation device is simplified, thereby reducing manufacturing cost and maintenance cost.

1 is a front perspective view showing a ventilator according to the present invention;
2 is a rear perspective view showing a ventilator according to the present invention;
3 is a plan view of an upper frame opened in a ventilator according to the present invention.
4 is a perspective view showing a lower frame and a lower heat insulating material separated from each other in the ventilator according to the present invention.
5 is a perspective view showing a heat generating portion in a ventilator according to the present invention.
6 is a perspective view showing a metal foil and a heating line separated from each other in the ventilator according to the present invention.
7 is a perspective view of a ventilating apparatus according to the present invention in which a through hole is opened;
8 is a perspective view of a ventilator according to the present invention in which a through hole is closed;
9 is a perspective view of a ventilator according to the present invention in which a damper opens a through hole;
10 is a perspective view of a ventilator according to the present invention in which a damper closes a through hole;
11 is a perspective view of a ventilator according to the present invention in which a fragrance storage device is installed.
12 is a perspective view of the ventilator according to the present invention with the cover opened;
13 is a partial perspective view of an opening of an opening of a ventilator according to the present invention.
FIG. 14 is a partial perspective view of a portion of the vent opening of the ventilator according to the present invention partially closed; FIG.
15 is a perspective view of a ventilating apparatus according to the present invention with a connecting port.
16 is a perspective view of the ventilator according to the present invention with the replacement cover opened;
17 is a perspective view showing that the total heat-exchanging portion and the filter are separated from each other in the ventilator according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 1 is a perspective view of a ventilator according to the present invention viewed from the front, FIG. 2 is a perspective view of a ventilator according to the present invention viewed from the rear, and FIG.

The indoor air inlet 11, the indoor air inlet 12, the indoor air outlet 13 and the outdoor air outlet 14 are formed by the combination of the upper frame 10 and the lower frame 19, The outdoor air exchanges heat with indoor air introduced through the indoor intake port 12 in the total heat-exchanging portion 20. [ At this time, the total heat-exchanging portion 20 has the first surface 21, the second surface 22, and the second surface 22 corresponding to the outdoor air inlet 11, the indoor air inlet 12, the indoor air outlet 13 and the outdoor air outlet 14 A third surface 23 and a fourth surface 24.

A blowing fan (not shown) is formed between the indoor outlet 13 and the third surface 23 and a blowing fan (not shown) is formed between the outdoor outlet 14 and the fourth surface 24. [ The outdoor air guided from the first surface 21 to the third surface 23 of the total heat-exchanging portion 20 by the blowing fan and the outdoor air guided from the second surface 22 of the total heat- The room air guided to the surface 24 is vertically spaced and cross-orthogonally exchanges heat. After the heat exchange, the outdoor air is discharged to the room through the indoor discharge port (13), and the indoor air is discharged to the outside through the outdoor discharge port (14).

In addition, on the inner surfaces of the upper frame 10 and / or the lower frame 19, an upper heat insulating material such as compressed styrofoam or foamed urethane and / or a lower thermal insulating material 18 are formed to prevent condensation and improve heat insulation.

FIG. 5 is a perspective view showing a heat generating unit in a ventilator according to the present invention, and FIG. 6 is a sectional view of the ventilator according to the present invention. And the metal foil and the heating wire are separated from each other in the heating portion.

A heating portion 60 is formed at the corner of at least one of the four corner portions 19b and 19c of the lower frame 19 and the heating portion 60 is formed between the lower frame 19 and the lower heat insulating material 18. [ And the heat generating portion 60 includes a metal foil 61 adhered to an edge portion; And a heating line 62 fixed to the upper surface of the metal foil 61. At this time, as the metal foil 61, a thin foil made of various materials such as aluminum having excellent thermal conductivity can be used, and an adhesive liquid is coated on the lower surface of the metal foil 61 to remove the release paper located on the lower surface of the adhesive liquid And the heating wire, which is electrically insulated, is fixed to the upper surface of the metal foil 61 in a zigzag manner.

The lower heat insulating material 18 is formed to reduce the occurrence of condensation. However, even if condensation is generated, the condensation can be removed in a short time due to the heat generated by the heating line 62.

Fig. 8 is a perspective view showing that the upper frame is opened and the through hole is closed, Fig. 9 is a perspective view showing that the damper rotates forward and the bypass duct is closed 10 is a perspective view showing that the damper is rotated forward and upward to open the bypass duct.

A partition wall 50 is formed between the outdoor air inlet port 11 and the first surface 21 of the total heat exchange portion 20 and a partition wall 50 A through hole 51 is formed in the through hole 51 and a damper 55 is rotatable below the through hole 51. The filter 29 can extend to the lower end of the bypass duct 40. [ Even if the distance between the partition wall 50 and the first surface 21 is short, the partition wall 50 is convexly curved forward so that the outdoor air having passed through the through hole 51 is uniformly spread on the first surface 21, .

When the damper 55 closes the through hole 51, the outdoor air passes through the outdoor air inlet 11 and the bypass duct 40 without passing through the total heat-exchanging portion 20 and is discharged to the room through the indoor outlet 13 When the damper 55 opens the through hole 51, the bypass duct 40 is closed so that the outdoor air passes through the first surface 21 and the third surface 23 of the total heat- (13). ≪ / RTI > That is, when the outdoor temperature is lower than the room temperature or the outdoor temperature is higher than the room temperature such as the winter day, as in the dawn of summer, or when the spring 51 is closed in the spring and fall to prevent the outdoor air from passing through the total heat- Is much more economical.

When the damper 55 closes the through hole 51, the damper 55 is inclined forward and upward so that the damper 55 guides the outdoor air to the bypass duct 40, The damper 55 is inclined forward and downward so that the damper 55 guides the outdoor air to the first surface 21 of the total heat-exchanging portion 20 evenly.

A second bypass duct is formed in the lower portion of the bypass duct 40 so that indoor air can be bypassed although not shown in the figure when the outdoor air passes through the bypass duct 40, A second partition wall may be formed between the second surface 22 of the partition 20 and a second passage hole may be formed in the second partition wall and a second damper rotatable below the second passage hole may be formed. At this time, the bypass duct 40, the partition 50, the passage hole 51, and the damper 55, which are the components for the outdoor air bypass, are installed in the second bypass duct, the second partition, And the second damper, and the actions and effects of the respective components will be handled as they are.

Fig. 11 is a perspective view showing a case in which a cover is opened in a fragrance storage device, Fig. 13 is a perspective view showing a case in which a cover is opened in a fragrance storage device and an opening is opened Fig. 14 is a perspective view showing a part of the opening of the cover in the fragrance storage device and partially closing the opening, and Fig. 15 is a perspective view showing that the connecting port is coupled to the fragrance storage device.

The fragrance storage device 30 formed in the indoor discharge port 13 includes a case 31 capable of storing a fragrance therein; A cover 32 formed on the front surface of the case 31; And an opening 33 formed on the upper surface of the case 31 and connected to the indoor discharge port 13. The indoor air discharge port 13 is connected to the outdoor discharge port 13 through the discharge port 13, The fragrance is supplied to the room together with outdoor air through the open mouth 33. At this time, a material for releasing the far infrared ray or anion or the like is stored in the case 31 by opening the cover 32 and replacing a fragrance by an anion or the like, mixed with outdoor air through the opening 33, It may also improve the health of the people who are there.

The adjustment lever 35 formed in the opening 33 adjusts the degree of opening of the opening 33. The ring 31 is formed on the upper portion of the case 31, An adjusting lever 35 is movably formed so that the adjusting lever 35 moves counterclockwise or clockwise to open or close the opening 33. [ That is, the control lever 35 can be moved to adjust the amount of the fragrance or the anion that is supplied to the room.

The connector body 36 may be provided with a connector 39 and a duct 39 may be connected to the connector body 39.

Fig. 16 is a perspective view showing the replacement cover opened, and Fig. 17 is a perspective view showing that the total heat-exchanging portion and the filter are separated.

The replacement cover 16 is formed in the upper frame 10 so that the replacement cover 16 can be opened to replace or clean the entire heat exchange portion 20 or the filter 29 very easily. At this time, the handle 26 is formed on the upper surface of the total heat-exchanging portion 20, so that the replacement operation becomes more convenient.

The operation of the ventilator according to the present invention will now be described.

When the damper 55 rotates to open the through hole 51 by a motor (not shown), the bypass duct 40 is closed and outdoor air introduced through the outdoor air inlet 11 by the air blowing fan is subjected to total heat exchange The room air is discharged through the room outlet 13 through the first surface 21 and the third surface 23 of the unit 20 and the room air introduced through the room air inlet 12 by the air blowing fan is discharged through the room heat- Is discharged out of the room through the outdoor outlet (14) through the second surface (22) and the fourth surface (24). At this time, even if the distance between the partition wall 50 and the first surface 21 is short, the outdoor air is blown out by the front heat exchange portion 20 And the outdoor air and the room air are vertically spaced apart from each other in the total heat-exchanging portion 20 and effectively heat-exchanged while intersecting at right angles.

When the damper 55 is rotated by the motor (not shown) to close the through hole 51, the bypass duct 40 is opened, and outdoor air introduced through the outdoor air inlet 11 by the air blowing fan is subjected to total heat exchange Passes through the bypass duct (40) without passing through the partition (20), and is discharged to the room through the indoor discharge port (13). At this time, the damper 55 inclined forwardly upwardly guides the outdoor air to the bypass duct 40 while smoothly increasing the flow rate of the outdoor air, so that the outdoor air does not pass through the total heat-exchanging portion 20 Not heat exchanging with air) is much more economical when considering energy efficiency and flow resistance. The indoor air introduced through the indoor intake port 12 by the blowing fan is discharged to the outside through the outdoor outlet 14 through the second surface 22 and the fourth surface 24 of the total heat exchange portion 20 The indoor air flowing through the indoor air intake port 12 through the air blowing fan passes through the second bypass duct without passing through the total heat-exchanging portion 20, and the outdoor air discharged from the outdoor air outlet 14 It may be discharged outdoors.

If condensation occurs in the ventilator due to the temperature difference between the outdoor air and the indoor air, the condensation can be removed in a short time due to the heating of the heat-generating unit 60.

Also, since the pressure drop due to the flow rate of the outdoor air passing through the indoor discharge port 13 after passing through the total heat-exchanging portion 20 or the bypass duct 40, the perfume fragrance or anion or the like is discharged through the opening port 33 And supplied to the room. At this time, by regulating lever 35 moving counterclockwise or clockwise to open or close opening opening 33, the amount of aromatic fragrance or anion supplied to the room can be easily adjusted.

The above description is merely illustrative of the technical idea of the present invention, and various modifications and changes may be made without departing from the essential characteristics of the present invention by those skilled in the art to which the present invention belongs. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of the claims should be construed as being included in the scope of the present invention.

10: upper frame 11: outdoor air intake port
12: indoor intake port 13: indoor outlet
14: Outside outlet 16: Replacement cover
18: lower heat insulator 19: lower frame
19b, 19c: corner portion 20: total heat exchange portion
21: first side 22: second side
23: third surface 24: fourth surface
26: handle 29: filter
30: Perfume storage device 31: Case
32: Cover 33:
35: control lever 36:
39: Connector 40: Bypass duct
50: partition wall 51: through hole
55: damper 60:
61: metal foil 62: heating wire

Claims (5)

The outdoor air introduced through the outdoor air intake port 11 is heat-exchanged with the indoor air introduced through the indoor intake port 12 in the total heat-exchanging section 20, and then the outdoor air is discharged to the room through the indoor discharge port 13, The indoor air is discharged to the outside through the outdoor outlet 14. The indoor air is discharged to the outside through the outdoor air outlet 14 and the upper frame 10 and the lower air outlet 12, in which the outdoor air inlet 11, the indoor air inlet 12, the indoor outlet 13, In a ventilator having a frame (19)
A partition wall 50 is formed between the outdoor air inlet 11 and the first surface 21 of the total heat exchange portion 20, A passage hole 51 is formed in the partition wall 50 and a damper 55 is rotatably provided on the lower side of the passage hole 51,
When the damper 55 closes the passage hole 51, the outdoor air passes through the outdoor air inlet 11 and the bypass duct 40 without passing through the total heat-exchanging portion 20, And then,
When the damper 55 opens the through hole 51, the bypass duct 40 is closed and the outdoor air is discharged to the room through the indoor heat exchanger 20 through the indoor outlet 13,
A heat generating portion 60 is formed at an edge portion of at least one of the four corner portions 19b, 19c of the lower frame 19,
The heating unit (60) includes a metal foil (61) bonded to the corner portion; And
And a heating line (62) fixed to the upper surface of the metal foil (61).
The method according to claim 1,
When the damper 55 closes the passage hole 51, the damper 55 is inclined forward and upward so that the damper 55 guides the outdoor air to the bypass duct 40, The damper 55 is inclined downward when the damper 55 opens the passage hole 51 so that the damper 55 can move the outdoor air to the first surface 21 of the total heat- And a guide duct for guiding the condensation of the waste heat.
3. The method according to claim 1 or 2,
A fragrance storage device (30) is formed in the indoor discharge port (13)
The fragrance storage device (30) comprises: a case (31) capable of containing a fragrance;
A cover 32 formed on the front surface of the case 31; And
And an opening (33) formed on an upper surface of the case (31) and connected to the indoor discharge port (13)
The perfume of the fragrance is supplied to the room together with the outdoor air through the opening (33) due to the pressure drop according to the flow rate of the outdoor air passing through the indoor discharge port (13) Ventilation system.
The method of claim 3,
And an adjusting lever (35) for adjusting the degree of opening of the opening (33) is formed in the opening (33).
3. The method according to claim 1 or 2,
The upper frame 10 is provided with a replaceable cover 16 that can be opened to replace the entire heat exchange unit 20 and a handle 26 is formed on the upper surface of the heat exchange unit 20 To prevent condensation.

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