KR101736857B1 - Apparatus for preventing to form droplets for ventilation system - Google Patents

Apparatus for preventing to form droplets for ventilation system Download PDF

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Publication number
KR101736857B1
KR101736857B1 KR1020150100190A KR20150100190A KR101736857B1 KR 101736857 B1 KR101736857 B1 KR 101736857B1 KR 1020150100190 A KR1020150100190 A KR 1020150100190A KR 20150100190 A KR20150100190 A KR 20150100190A KR 101736857 B1 KR101736857 B1 KR 101736857B1
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KR
South Korea
Prior art keywords
housing
heat insulating
air
lower cover
spaces
Prior art date
Application number
KR1020150100190A
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Korean (ko)
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KR20170010130A (en
Inventor
김길수
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두양텍(주)
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Priority to KR1020150100190A priority Critical patent/KR101736857B1/en
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Publication of KR101736857B1 publication Critical patent/KR101736857B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew

Abstract

The present invention relates to a condensation prevention device for a ventilation system, and more particularly, to a condensation prevention device for a ventilation system, which comprises a housing having therein an inflow passage for introducing outside air and an outflow passage for exhausting indoor air; And a heat insulating casing provided inside the housing at an interval from an inner surface of the housing, the heat insulating casing forming an air layer together with an inner surface of the housing; . According to the present invention, condensation is prevented from occurring in the housing and noise generation is minimized.

Description

TECHNICAL FIELD [0001] The present invention relates to a dew condensation prevention system for a ventilation system,

The present invention relates to a condensation prevention device for a ventilation system.

Generally, if a person is in a room for a long period of time in a room where the interior of the building is not well ventilated from outside, it is necessary to ventilate the room because the room air can not be kept comfortable due to pollution and CO2 increase. Opening a window and ventilation will cause not only pollution but also internal heat loss. An apparatus for solving such a problem is a ventilation system equipped with an overall heat exchanger.

The ventilation system is installed on the wall of the building and includes a ventilation device equipped with an enthalpy heat exchanger, an air inflow pipe line connected to the ventilation device installed inside the building so as to be connected to the inside of the building, And an air discharge line connected to the ventilator.

1 is a plan view showing an example of a ventilator. 1, the ventilation system includes a housing 10 provided on a wall of a building, which is provided with an inflow passage 11 and an outflow passage 12 so as to be located inside and outside the building, A total enthalpy heat exchanger 20 provided in the housing 10 for exchanging heat with air passing through the inflow passage 11 and the outflow passage 12 and an exhaust fan motor 20 disposed in the outflow passage 12 of the housing 10, (30), and an intake fan motor (40) provided on the intake flow path (11) of the housing (10) and located on the indoor side. The exhaust duct PO and the inlet duct PI are connected to the outer surface of one side plate of the housing 10 so that the exhaust duct PO communicates with the outflow channel 12 and the inlet duct PI communicates with the inlet channel 11, . And a damper D for opening and closing the flow passage is provided on the side of the discharge duct and the side of the inflow duct. The air inlet pipe line LI and the air outlet pipe line LO are connected to the outer surface of the other side plate of the housing 10, the air inlet pipe line LI is communicated with the inlet channel 11, The line (LO) communicates with the outflow channel (12). The total enthalpy heat exchanger includes a plurality of stacked unit filters.

The operation of the ventilation system is as follows.

When the exhaust fan motor 30 and the intake fan motor 40 of the ventilator operate, the outdoor air is supplied to the room through the inflow passage 11 and the air inflow pipe line LI of the housing 10 , The indoor air is discharged to the outside through the air discharge pipeline (LO) and the outflow channel (12) of the housing (10). The outdoor air flowing into the inflow channel 11 of the housing 10 and the indoor air discharged into the outflow channel 12 are exchanged with each other while passing through the total enthalpy heat exchanger 20 and the heat exchanged outdoor air is supplied to the room do.

The damper D provided in the inlet duct PI and the outlet duct PO is opened when the ventilation fan motor 30 and the intake fan motor 40 of the ventilating apparatus are respectively operated, The damper D provided in each of the inlet duct PI and the discharge duct PO is closed when the intake fan motor 30 and the intake fan motor 40 are not operated.

However, in the above-described ventilation system, the hot and humid air in the room is discharged to the outside through the outflow channel 12 of the housing 10, and the cold air outside the room flows through the inflow channel 11 of the housing 10 into the room The dew is formed on the inner and outer surfaces of the housing 10 due to the temperature difference between the inside and the outside of the housing 10 during the inflow, and when the dew falls on the fan motor, the damage of the motor is caused. In addition, due to the dew formed on the inner and outer surfaces of the housing 10, the mold 10 bends into the room with the outside air flowing into the room, thereby causing the mold to enter the room, .

An object of the present invention is to provide a condensation preventing device for a ventilation system that prevents condensation from being generated in a housing.

In order to accomplish the object of the present invention, there is provided an air conditioner comprising: a housing having therein an inflow passage through which outside air flows and an outflow passage through which indoor air is discharged; And a heat insulating casing provided inside the housing at an interval from an inner surface of the housing, the heat insulating casing forming an air layer together with an inner surface of the housing; A condensation prevention device of a ventilation system is provided.

The housing includes a lower cover and an upper cover which is covered with the lower cover and forms an inflow channel and an outflow channel together with the lower cover. The thermal insulation casing is provided with an interval from the inner side of the lower cover And a lower heat insulating case for forming an air layer together with the lower cover and an upper heat insulating case provided at an interval from an inner surface of the upper cover to form an air layer together with the upper cover.

Preferably, the interior of the lower cover includes four semi-partition spaces, and the lower insulation case includes four unit lower insulation cases each of which is provided in four half-partition spaces of the lower cover.

Preferably, the upper cover includes four semi-upper compartment spaces, and the upper upper case includes four unit upper insulation cases each of which is provided in four half-compartment spaces of the lower cover.

It is preferable that a sealing member is provided between the lower insulation case and the contact surface where the upper insulation case contacts.

In order to accomplish the object of the present invention, there is provided an air conditioner, comprising: a housing having therein an inflow passage through which outside air flows and an outflow passage through which indoor air is discharged; A heat insulating wall provided on an inner side surface of the housing to heat the inside of the housing; And a gap preventing unit that presses the heat insulating wall to prevent a gap between the housing and the heat insulating wall.

Preferably, the gap generation preventing unit includes a pressing member for pressing the heat insulating wall by self-elastic force, and a fixing means for fixing the pressing member.

In the process of introducing outdoor air into the room and discharging the indoor air to the outside of the room, an air layer provided between the inner side of the housing and the outer side of the heat insulating casing blocks heat transfer inside and outside the housing Thereby preventing dew formation inside the housing. This prevents damage to the fan motor and prevents the generation of mold due to dew on the inside of the housing, thereby preventing odor from entering the room and polluting the room with air.

In addition, the present invention provides an air layer between the inner side surface of the housing and the outer side surface of the heat insulating casing to prevent heat transfer from the inside and the outside of the housing and to prevent the noise generated during air flow inside the housing from being transmitted to the outside of the housing .

1 is a plan view showing an example of a general ventilator;
2 is a plan view showing a first embodiment of a dew condensation prevention apparatus of a ventilation system according to the present invention,
Fig. 3 is a front view showing a first embodiment of the dew condensation preventing device of the ventilation system according to the present invention, Fig.
FIG. 4 is a plan sectional view showing an upper cover or a lower cover of a housing provided with a first embodiment of a dew condensation preventing device of a ventilation system according to the present invention, FIG.
5 is a front sectional view showing a sealing member constituting the first embodiment of the dew condensation prevention apparatus of the ventilation system according to the present invention,
6 is a plan view showing a second embodiment of the dew condensation prevention apparatus of the ventilation system according to the present invention,
7 is a plan sectional view showing a second embodiment of a dew condensation prevention apparatus of a ventilation system according to the present invention,
8 is a partial front sectional view showing a second embodiment of a dew condensation preventing apparatus of a ventilation system according to the present invention,
9 is a plan sectional view showing an operation state of the first embodiment of the dew condensation preventing apparatus of the ventilation system according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a dew condensation prevention device of a ventilation system according to the present invention will be described with reference to the accompanying drawings.

2 is a plan view showing a first embodiment of a dew condensation preventing apparatus of a ventilation system according to the present invention. 3 is a front view showing a first embodiment of a dew condensation prevention apparatus of a ventilation system according to the present invention.

2 and 3, the first embodiment of the dew condensation prevention device of the ventilation system according to the present invention includes an inflow channel P1 into which outside air flows and an outflow channel P2); < / RTI > And an insulating casing 200 provided inside the housing 100 with an interval from the inner surface of the housing 100 to form an air layer G together with the inner surface of the housing 100.

The housing 100 may include front, rear, left and right plates 110, 120, 130 and 140 connected to form a square, and front, rear, left and right plates And upper and lower plates 150 and 160 that cover the upper and lower ends of the upper and lower plates 110, 120, 130 and 140 to form an inner space. The front, rear, left, and right positions of the housing 100 are set based on FIGS. 2 and 3 for convenience of explanation. Two through holes 131, 132, 141 and 142 are provided in the left plate 130 and the right plate 140, respectively. The two through holes of the left side plate 130 are referred to as first and second through holes 131 and 132 and the two through holes of the right side plate 140 are referred to as first and second through holes 141 and 142 The first through hole 131 of the left side plate 130 and the first through hole 141 of the right side plate 140 are positioned to face each other and the second through hole 132 of the left side plate 130 and the right side The second through holes 142 of the plate 140 are positioned to face each other.

The total enthalpy heat exchanger 300 is provided inside the housing 100. The total enthalpy heat exchanger 300 exchanges heat between the outside air flowing into the inflow channel P1 of the housing 100 and the room air discharged into the outflow channel P2. The total enthalpy heat exchanger 300 preferably has a hexahedral shape. The total enthalpy heat exchanger 300 is installed in the inner space of the housing 100 such that the four corners thereof are positioned at the middle portions of the front, back, left and right plates 110, 120, 130 and 140 of the housing 100, S2 and S3 and S4 in the interior of the housing 100 as the total enthalpy heat exchanger 300 is located in the inner space of the housing 100. [ That is, the first and second compartment spaces S1 and S2 are located on the left side plate 130 of the housing 100, which is one side of the total enthalpy heat exchanger 300, and the housing 100, which is the other side of the total enthalpy heat exchanger 300, Two third and fourth compartment spaces S3 and S4 are located on the right side plate 140 side of the first and second partitioning spaces S3 and S4. The two first and second compartment spaces S1 and S2 located on the left side plate 130 side of the housing 100 are connected to the first and second through holes 131 and 132 of the left side plate 130, do. The two third and fourth partition spaces S3 and S4 positioned on the right side plate 140 side of the housing 100 are respectively connected to the first and second through holes 141 and 142 of the right side plate 140 . The two first and third partition spaces S1 and S3 located in the diagonal direction among the four first, second, third and fourth partition spaces S1, S3, S3, And the other two second and fourth compartment spaces S2 and S4 constitute an outflow channel P2. It is preferable that support protrusions B for supporting the corners of the total enthalpy heat exchanger 300 are provided at the center portions of the front, rear, left and right side plates 110, 120, 130 and 140, respectively. The support protrusions B support the four corners of the total enthalpy heat exchanger 300, respectively. It is preferable that the upper plate 150 of the housing 100 is provided with an insertion hole for inserting the total enthalpy heat exchanger 300 and the upper plate 150 is provided with a double plate 151 for opening and closing the insertion hole.

The heat insulating casing 200 is installed in the housing 100 so as to be spaced apart from the front, back, left and right plates 110, 120, 130 and 140 of the housing 100 and the upper and lower plates 150 and 160, And a space in which the air layer G is formed is formed between the inner surface of the housing 100 and the outer surface of the heat insulating casing 200. [ That is, the shape of the heat insulating casing 200 is formed corresponding to the shape of the housing 100, and is smaller than the size of the housing 100. The gap of the air gap G between the inner surface of the housing 100 and the outer surface of the heat insulating casing 200 is preferably 0.9 to 1.1 times the thickness of the housing 100. [ The material of the heat insulating casing 200 is preferably the same as the material of the housing 100.

The housing 100 preferably includes a lower cover LC and an upper cover UC which is mosewitted to the lower cover LC. The lower cover of the housing 100 corresponds to the upper portion of the middle portion of the front, rear, left and right side plates 110, 120, 130 and 140 of the housing 100, Left, and right side plates 110, 120, 130, and 140, respectively, of the front and rear side panels 100 and 100, respectively.

When the housing 100 includes the lower cover LC and the upper cover UC, an inner space is formed by the lower cover LC and the upper cover UC, Two lower hemispheres corresponding to half of the holes are provided and two upper hemispheres corresponding to half of the through holes are provided at the lower plate of the left plate of the upper cover UC. Two lower hemispheres corresponding to half of the through holes are provided in the upper end of the right cover plate of the lower cover LC and two upper hemispheres corresponding to half of the through holes are provided at the lower plate of the right cover plate of the upper cover UC Respectively.

When the housing 100 includes the lower cover LC and the upper cover UC, the heat insulating casing 200 is spaced apart from the inner surface of the lower cover LC, And an upper insulating case 220 provided at an interval from the inner surface of the upper cover UC and forming an air layer G together with the upper cover UC.

It also includes four half-compartment spaces in the interior of the lower cover LC and includes four half-compartment spaces in the interior of the upper cover UC and a lower cover LC, The half partition spaces of the lower cover LC and the half partition spaces of the upper cover UC are combined to form four first, second, third, and fourth partition spaces S1, S2, S3, and S4 Respectively.

4, when the inside of the lower cover LC includes four half partition spaces, the lower insulation case 210 is divided into four half-divided spaces, Unit lower-side heat insulating case 211. Each of the four unit lower thermal insulation cases 211 is provided at a certain distance from the inner surface of the half partition space to form the air gap G together with the inner surface of the half partition space. When the inside of the upper cover UC includes four half partition spaces, the upper insulation case 220 includes four unit upper insulation cases 221, which are respectively provided in four compartment spaces of the lower cover LC, . Each of the four unit lower thermal insulation cases 221 is provided at a certain distance from the inner surface of the half partition space to form the air gap G together with the inner surface of the half partition space.

It is preferable that a sealing member 230 is provided between the lower insulating case 210 and the contact surface where the upper insulating case 220 is in contact as shown in FIG.

As shown in Figs. 6, 7 and 8, the second embodiment of the dew condensation preventing device of the ventilation system according to the present invention is characterized in that an inflow channel P1 into which outside air flows and air in the room are discharged A housing 100 having an outflow channel P2 to be discharged; And an insulation wall (900) provided on an inner surface of the housing (100) to insulate the interior of the housing (100). And a gap preventing unit (N) for pressing the heat insulating wall to prevent a gap between the housing and the heat insulating wall. It is preferable that the heat insulating wall 900 has a uniform thickness. The heat insulating wall 900 is preferably made of expanded polypropylene (EPP). In addition, the material of the heat insulating wall 900 may be made of a styrofoam material.

The housing 100 and the total enthalpy heat exchanger 300 are the same as the housing 100 and the total enthalpy heat exchanger 300 of the first embodiment.

The heat insulating wall 900 has a predetermined thickness at the inner side surfaces of the front, rear, left and right side plates 110, 120, 130 and 140 of the housing 100 and the upper and lower side plates 150 and 160 Respectively.

As described in the first embodiment, when the housing 100 includes a lower cover LC and an upper cover UC that is covered with the lower cover LC, the heat insulating wall 900 is provided with a lower cover LC, A lower heat insulating wall 910 provided on the inner side of the upper cover UC and an upper heat insulating wall 920 provided on the inner side of the upper cover UC.

It also includes four half-compartment spaces in the interior of the lower cover LC and includes four half-compartment spaces in the interior of the upper cover UC and a lower cover LC, The half partition spaces of the lower cover LC and the half partition spaces of the upper cover UC are combined to form four first, second, third, and fourth partition spaces S1, S2, S3, and S4 Respectively.

7, when the inside of the lower cover LC includes four half partition spaces, the lower insulation wall 210 is provided on each inner side of four half partition spaces of the lower cover LC And includes four unit lower insulation walls 911. Further, when the inside of the upper cover UC includes four half partition spaces, the upper insulation wall 920 is divided into four unit upper insulation walls 921).

Preferably, the gap preventing unit N is provided between the partition space and the space where the total enthalpy heat exchanger 300 is located. The gap preventing unit N includes a pressing member 930 for pressing the heat insulating wall 900 by its own elastic force and fixing means 940 for fixing the pressing member 930 ). The pressing member 930 is formed in a rectangular ring shape. When the housing 100 includes the lower cover LC and the upper cover UC, the pressing member 930 is composed of two pieces horizontally cut out of the rectangular ring. The piece cut in the horizontal direction of the rectangular ring becomes approximately a diagonal shape. The pressing member 930 is preferably made of a material having an elastic force, and may be made of a plastic material, for example. The securing means 940 preferably comprises a plurality of screws.

And may be an adhesive layer (not shown) provided between the housing 100 and the heat insulating wall to adhere the heat insulating wall to the housing 100 as a means for preventing a gap between the housing 100 and the heat insulating wall 900.

The air discharge pipe line 400 communicating with the indoor side is connected to the first through hole 141 of the right side plate 140 of the housing 100 and the air discharge pipe line 400 is connected to the second through hole 142 of the right side plate 140 on the indoor side An air inlet pipe line 500 communicating with the air inlet pipe line 500 is connected. The inlet duct 610 communicating with the outdoor side is connected to the first through hole 131 of the left side plate 130 of the housing 100 and the second through hole 132 of the left side plate 130 is connected to the outdoor side The exhaust duct 620 is connected to the exhaust duct 620.

The exhaust fan motor 810 is provided in the second compartment space S2 communicating with the left plate second through hole 132 of the housing 100 and the right plate second through hole 142 of the housing 100, And a third compartment space S3 communicating with the second compartment space S3. And a damper D for opening and closing a flow path is provided on the side of the discharge duct 620 and the side of the inflow duct 610, respectively.

Hereinafter, the operation and effect of the dew condensation preventing apparatus of the ventilation system according to the present invention will be described.

First, when a room of a building having a ventilation system is ventilated, a damper D provided in each of the inlet duct 610 and the outlet duct 620 is opened and the exhaust fan motor 600 and the intake fan motor The outdoor air flowing into the inlet duct 610 flows through the inlet flow path P1 of the housing 100 and the total enthalpy heat exchanger 300 to the air inflow pipe line 610 through the total enthalpy heat exchanger 300, The air in the room is supplied to the room through the air discharge pipe line 400 and the outflow channel P2 of the housing 100 and the total enthalpy heat exchanger 300 and is discharged to the outside through the discharge duct 620. [ do. The outdoor air flowing into the inflow channel P1 of the housing 100 and the indoor air discharged into the outflow channel P2 are exchanged with each other while passing through the total enthalpy heat exchanger 300. The outdoor air, .

In winter, cold air outside the room flows into the room, and the heated air in the room is discharged outdoors. The heated humid air in the room flows through the two second and fourth compartment spaces S2 and S4 constituting the outflow channel P2 of the housing 100, The air gap G formed between the inner side surface of the housing 100 and the outer side surface of the heat insulating casing 200 is provided so that the cold air outside the room 100 can be dewatered by the air layer It is prevented from being transmitted to the inside of the heat insulating casing 200 by the gas G, thereby preventing the inside of the housing 100 from being dewed. Even when the outdoor cold air flows into the room while flowing through the first and second compartment spaces S1 and S2 constituting the inflow channel P1 of the housing 100, The heat transfer from the outer side of the housing 100 is blocked by the air layer G formed between the side surface and the heat insulating casing 200 to prevent dew formation inside the housing 100.

In the summer, the heated humid air from the outside flows into the room, and the room air cooled by the air conditioner is discharged to the outside. The heat transfer between the inside and the outside of the housing 100 is blocked by the air layer G provided on the inner surface of the housing 100 and the outer surface of the heat insulating casing 200, Is generated.

The present invention also provides an air gap G between the inner surface of the housing 100 and the outer surface of the heat insulating casing 200 to prevent heat transfer between the inside and the outside of the housing 100, The noise generated during the air movement of the housing 100 is prevented from being transmitted to the outside of the housing 100.

In the case of the second embodiment of the present invention, since the heat insulating wall 9000 functions as a heat insulating function like the air layer G, heat transfer between the inside and the outside of the housing 100 is blocked by the heat insulating wall 900, The gap preventing unit N prevents the gap between the heat insulating wall 900 and the housing 1000 from being generated so that the heat insulating wall 900 and the housing 1000 100 to prevent condensation from occurring.

100; A housing 200; Insulating casing
210; Lower insulation case 220; Upper insulation case
LC; Lower cover UC; Upper cover

Claims (7)

delete delete delete delete delete A housing in which an inflow channel for introducing outside air and an outflow channel for discharging air in the room are installed, and a housing in which the total enthalpy heat exchanger is installed so as to communicate with the inflow channel and the outflow channel;
A heat insulating wall provided to be in contact with an inner surface of the housing to insulate the interior of the housing; And
And a gap preventing unit that presses the heat insulating wall to prevent a gap between the housing and the heat insulating wall,
The housing includes a lower cover and an upper cover which is covered with the lower cover to form an inflow channel and an outflow channel together with the lower cover, wherein the inside of the lower cover includes four half partition spaces, The inside of the cover includes four compartment spaces, and four compartment spaces communicating with the total enthalpy heat exchanger are provided in the interior of the housing,
The heat insulating wall comprises four unit lower insulation walls provided on each inner side of the four half partition spaces of the lower cover and four unit upper insulation walls provided on each inner side of the four half partition spaces of the upper cover. / RTI >
The gap prevention unit is provided between the partition space and the space where the total enthalpy heat exchanger is located, and the gap generation prevention unit includes a unit lower insulation wall located in the partition space and a unit upper insulation wall, And a fixing means for fixing the pressure member, wherein the pressure member includes a rectangular ring composed of two pieces cut. The dew condensation preventing apparatus according to claim 6, wherein the pressure member is made of a plastic material having elasticity.
KR1020150100190A 2015-07-15 2015-07-15 Apparatus for preventing to form droplets for ventilation system KR101736857B1 (en)

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KR1020150100190A KR101736857B1 (en) 2015-07-15 2015-07-15 Apparatus for preventing to form droplets for ventilation system

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KR101736857B1 true KR101736857B1 (en) 2017-05-18

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