KR20030063845A - ventilating device - Google Patents

Abstract

PURPOSE: A ventilator is provided to simply remove pollutants of exterior air accumulated to a heat recovery ventilator by using exhausted interior air. CONSTITUTION: A ventilator includes a supply duct(10) through which exterior air is led to the interior by operation of a supply fan(15), and an exhaust duct(20) through which interior air is led to the outside by operation of an exhaust fan(25); a heat recovery ventilator(30) disposed to a crossing point of the supply duct and the exhaust duct; oscillators disposed to the heat recovery ventilator to receive power and oscillate the heat recovery ventilator ; and dampers(51,53) communicating the supply duct and the exhaust duct to make some of exhausted interior air discharged through supply passages(37) of the heat recovery ventilator, to remove pollutants attached to the supply passage. In the heat recovery ventilator, the supply passages communicated with the supply duct and exhaust passages(39) communicated with exhaust duct adjoin each other, and supply air and exhaust air are exchanged with heat.

Description

Ventilating device

The present invention relates to a total heat exchange type ventilator, and more particularly, when contaminants are attached by outdoor air supplied to a heat exchanger that exchanges heat while the air supply and the exhaust cross each other, the ventilation can be easily removed. Relates to a device.

The air in an enclosed space increases the carbon dioxide content over time due to the breathing of living things, which interferes with the breathing of living things. Therefore, if many people stay in a narrow space such as an office or a vehicle, it is necessary to frequently replace the indoor air with fresh air. At this time, a commonly used ventilation device.

Most conventional ventilation apparatuses employ a method of forcibly discharging only indoor air to the outside using a single blower. However, if only one air is forced out by using one blower, the indoor cold air or heat is discharged to the outside without filtration, and the outdoor air is heated without heat exchange through a door or window gap. The cost of cooling was unnecessarily high.

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

In order to solve this problem, a total heat exchange type ventilation device for first exchanging outdoor air with indoor air discharged to the outside and then supplying the indoor air has been proposed.

Figure 1 schematically shows the structure of a general electrothermal exchange ventilator.

As shown in FIG. 1, an air supply duct 10 is provided inside a box-shaped case 1 to guide outdoor air to an interior, and the air duct intersects with the air supply duct at a predetermined position, and the air is guided to the outside. Duct 20 is provided. In addition, an electric heat exchanger 30 is provided to exchange heat between the outdoor air that is supplied at the point where the air supply duct 10 and the exhaust duct 20 intersect with the indoor air that is exhausted.

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

An air supply inlet 11 is formed at one end of the air supply duct 10 to communicate with the outside, and an air supply outlet 13 is formed to communicate with the room at the other end thereof, and an air exhausted to communicate with the room at one end of the exhaust duct 20. An intake port 21 is formed and an exhaust outlet 23 is formed at the other end in communication with the outdoors.

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

On the other hand, the heat exchanger (30) has a hexahedral shape in which the upper and lower edges are supported by the case (1) and the left and right edges are supported by the partition wall (3), and a plurality of air supply passages communicating with the air supply duct 10 therein. A plurality of exhaust passages 39 are provided adjacent to the air supply passage 37 and communicate with the exhaust duct 20. Although not shown, a heat exchange plate having excellent heat conduction efficiency is provided at a boundary portion between the air supply passage 37 and the exhaust passage 39.

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

Referring to the operation of the electrothermal exchange system ventilator configured as described above are as follows.

First, when indoor air is contaminated to some extent, power is supplied to the exhaust fan 25 and the indoor air flows into the exhaust duct 20 through the exhaust inlet 21, and then passes through the exhaust passage 39 of the total heat exchanger. It is discharged to the outside through the exhaust outlet 23.

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

At this time, the indoor air and the outdoor air passing through the heat exchanger (30) exchange heat through the heat exchange plate. In detail, the heat exchange occurring in the total heat exchanger (30) is a sensible heat exchange between the outdoor air to be supplied and the indoor air to be exhausted, and the hot air in the indoor or outdoor air is dew point temp. It becomes the latent heat exchange by the condensate produced | generated as the following states.

As described above, in the case of an electrothermal exchange type ventilator, outdoor air that is supplied when the room is cooled or heated is primarily heat-exchanged with the indoor air and then introduced into the room, thereby preventing a sudden rise or fall of the room temperature. Can be.

On the other hand, outdoor air supplied to the interior contains a large amount of contaminants including dust and other foreign substances. These contaminants are introduced into the heat exchanger 30 together with the outdoor air and accumulated on the air supply passage 37 having a relatively fine size.

When the contaminants accumulate on the air supply passage 37 of the total heat exchanger, the outdoor air to be supplied is subjected to a significant obstacle to the flow, adversely affecting the flow rate decreases. As a result, not only the heat exchange efficiency of the total heat exchanger 30 is lowered, but also the increase in the power cost due to the increase in the load of the air supply fan 15 is caused.

In addition, contaminants are likely to be introduced into the room, and eventually there was a risk of harming the health of the people in the room.

In order to solve this problem, conventionally, the air purification filter 17 is added to the air supply duct 10 to primarily purify the outdoor air. However, foreign matters in the outdoor air are completely removed through the air purification filter. Not only is it practically impossible, but the air purification filter is expensive and has a cumbersome problem of cleaning or replacing the filter after a certain time of use.

The present invention has been made to solve the above problems, an object of the present invention is to provide a ventilation device that can be easily removed by using the indoor air to exhaust the contaminants in the outdoor air accumulated in the heat exchanger.

1 is a schematic view showing the structure of a general electrothermal exchange ventilator

Figure 2 is a schematic diagram showing the structure of the total heat exchange ventilation system according to the present invention

Figure 3 is a perspective view of the total heat exchanger of the ventilator according to the present invention

Figures 4a and 4b is a configuration diagram showing the operation of the ventilation device according to the invention

Explanation of symbols on the main parts of the drawings

10: supply duct 15: supply fan

20: exhaust duct 25: exhaust fan

30: heat exchanger 37: air supply passage

39: exhaust passage 40: vibrator

51: first damper 53: second damper

In order to achieve the above object, the ventilator according to the present invention includes an air supply duct in which outdoor air is guided indoors by an operation of an air supply fan and an exhaust duct intersecting with the air supply duct, and indoor air guided to the outdoor by operation of an exhaust fan. And a plurality of air supply passages communicating with the air supply duct and a plurality of air exhaust passages communicating with the air exhaust duct are arranged adjacent to each other, so that the air supply and the exhaust heat exchange. And at least one vibrator provided in the heat exchanger and receiving power to vibrate the heat exchanger, and a part of indoor air exhausted to remove contaminants attached to the air supply passage through the air supply passage of the heat exchanger. It is configured to include a damper for communicating the air supply duct and the exhaust duct to be discharged.

Therefore, the ventilator according to the present invention can be easily removed by separating various contaminants attached to the air supply passage of the heat exchanger by vibrator vibration, and then opening the damper to discharge the contaminants to the outside together with the indoor air exhausted. It can be effective.

Hereinafter, a ventilator according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, Figure 2 is a schematic view showing the structure of the total heat exchange ventilation system according to the present invention, Figure 3 is a perspective view showing the total heat exchanger of the ventilation device according to the present invention.

As shown in Figure 2, the ventilator according to the present invention is provided in the box-shaped case (1) is provided with an air supply duct 10 to guide the outdoor air into the room, and to cross the air supply duct at a predetermined position And an exhaust duct 20 through which indoor air is guided to the outside, and an electric heat exchanger 30 provided at a point where the air supply duct and the exhaust duct intersect and heat exchanged with the outdoor air being exhausted and the indoor air exhausted. .

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

An air supply inlet 11 and an air supply outlet 13 are formed at both ends of the air supply duct 10, and an exhaust air inlet 21 and an exhaust outlet 23 are formed at both ends of the exhaust duct 20.

An air supply fan 15 for forcibly suctioning outdoor air is provided on the air supply outlet side of the air supply duct 10, and an air purification pallet 17 is provided between the total heat exchanger 30 and the air supply suction port 11. An exhaust fan 25 for forcibly discharging indoor air is provided on the exhaust outlet side of the exhaust duct 20.

The heat exchanger (30) is provided with a plurality of air supply passages (37) communicating with the air supply duct 10 and a plurality of exhaust passages (39) adjacent to the air supply passages and in communication with the exhaust duct (20), A heat exchange plate having excellent heat conduction efficiency is provided at a boundary portion between the air supply passage and the exhaust passage. At this time, the portion shown by the solid line is the air supply passage 37 and the portion shown by the dotted line is the exhaust passage 39. The structure of the total heat exchanger 30 will be described later in detail.

On the other hand, the ventilator according to the present invention is a damper (51, 53) to allow the exhausted indoor air to be discharged to the outside through the air supply passage in order to remove contaminants accumulated on the air supply passage 37 of the heat exchanger. ) Is further included.

To this end, the dampers (51, 53) should be provided in a position that can communicate the air supply duct 10 and the exhaust duct (20). However, since the air supply duct 10 and the exhaust duct 20 cross each other up and down about the heat exchanger 30 in order to exhaust the indoor air exhausted through the air supply passage 37 of the heat exchanger to the outside. The dampers 51 and 53 should be provided at the front and the rear of the heat exchanger 30 based on the exhaust direction of the indoor air.

Hereinafter, the damper in front of the total heat exchanger 30 is referred to as the first damper 51 and the damper behind the total heat exchanger is referred to as the second damper 53 based on the exhaust direction of the dampers. Accordingly, the first damper 51 serves to guide the indoor air of the exhaust duct 20 to the air supply passage 37 of the total heat exchanger, and the second damper 53 passes through the heat exchanger 30. It serves to guide the air back to the exhaust duct (20).

In order to perform the above-described role, the dampers 51 and 53 are hinges 51a and 53a provided on the partition walls 3, which are boundaries between the air supply duct and the exhaust duct, respectively. It consists of plate-shaped members 51b and 53b which communicate with an air supply duct and an exhaust duct while rotating up and down. For example, the first damper 51 is composed of a plate-like member (51b) to rotate down around the hinge (51a) provided on the left in the drawing, the second damper (53) is provided on the right in the drawing It consists of a plate-like member 53b that rotates up around the hinge 53a.

At this time, the rotation of the plate-shaped members (51b, 53b) may be made by pushing and pulling the plate-shaped member, such as an operating lever (not shown) for transmitting the rotational motion of the motor in a linear motion, a detailed description thereof will be omitted. .

On the other hand, the dampers (51, 53) is composed of a plate-like member that rotates around the hinge is not limited, any structure may be any structure that can communicate the air supply duct 10 and the exhaust duct 20. .

On the other hand, the ventilator according to the present invention further includes a means for separating the contaminants attached on the supply passage in order to remove the contaminants accumulated on the supply passage 37 of the heat exchanger.

As shown in FIG. 3, the total heat exchanger 30 of the ventilator according to the present invention includes a support plate 31 on both sides of the airtight sealer, and a one-way flow passage of outdoor air that is stacked and supplied between the support plate and exhausted air. And a plurality of unit heat exchangers 35 forming 37 and 39, and a reinforcement table 33 having a groove to be seated at four side edges of the unit heat exchanger to support the unit heat exchanger.

At this time, the reinforcing table 33 supports the unit heat exchanger 35 and is fixed to the case and the partition wall forming the ventilation device to support the heat exchanger 30.

The unit heat exchanger 35 includes a heat exchanger plate 35a provided on both sides and a corrugated plate 35b provided between the heat exchanger plate and forming a one-way flow passage of air. At this time, the corrugated plate 35b forms an air flow path by maintaining a constant interval, and the heat exchange plate 35a is provided on both sides of an arbitrary corrugated plate 35b to pass through the corrugated plate. The air or outdoor air exchanges heat with the outdoor air or indoor air passing through the adjacent corrugated plate.

The unit heat exchange part 35 is stacked so that the air flow paths formed by the corrugated plate 35b are perpendicular to each other, so that any one of the air flow paths adjacent to each other is in communication with the air supply duct. 37), and the other becomes the exhaust passage 39 of indoor air communicating with the exhaust duct. For example, the air flow passage vertically and vertically in the drawing is an exhaust passage 39 of indoor air, and the air flow passage crossing left and right is an air supply passage 37 of outdoor air.

On the other hand, the total heat exchanger according to the present invention is provided with a vibrator 40 for vibrating the total heat exchanger on the support plate 31 on both sides. The vibrator 40 performs a function of separating contaminants attached to the heat exchange plate 35a or the corrugated plate 35b constituting the air supply passage 37 by vibrating the total heat exchanger 30.

In general, the vibrator 40 may be composed of various components, but the present invention provides, for example, a vibrator composed of a DC motor and a weight having a center of gravity deviating from the rotation axis of the motor. The vibrator 40 configured as described above is configured to vibrate the heat exchanger 30 in which the vibrator is fixed by using a property of rotating the DC motor and the additional common center of gravity when the DC motor rotates by supply of power. do.

In order to maximize the effect of the vibrator 40, it is preferable that a plurality of support plates 31 are provided, and for example, four vibrators are connected in series. In this case, four vibrators 40 are connected in series to one support plate of the total heat exchanger 30 (not shown).

Hereinafter, the operation of the ventilator configured as described above in more detail.

Figure 4a and 4b is a configuration diagram showing the operating state of the ventilator according to the present invention, respectively, Figure 4a is a state in which the ventilator according to the invention is operating in a heat exchange ventilating mode to heat exchange the air supply and exhaust normal The state shown in FIG. 4B is a state in which the indoor air, through which the ventilator according to the present invention is exhausted, is operated in a pollutant removal mode for discharging to the outside through an air supply passage of the heat exchanger.

As shown in FIG. 4A, when indoor air is contaminated to some extent, power is applied to the exhaust fan 25 and the air supply fan 15 to ventilate the indoor air.

At this time, the indoor air contaminated by the operation of the exhaust fan 25 flows into the exhaust duct 20 through the exhaust inlet 21, and then passes through the exhaust passage 39 of the total heat exchanger and passes through the exhaust outlet 23. Are discharged to the outdoors. At the same time, the fresh outdoor air is introduced into the air supply duct 10 through the air supply inlet 11 through the operation of the air supply fan 15, and then continues through the air supply passage 37 of the heat exchanger, through the air supply outlet 13. It enters the room.

At this time, the indoor air and the outdoor air passing through the heat exchanger 30 exchange heat through the heat exchange plate while passing through the exhaust passage 39 and the air supply passage 37, respectively, and thus, the outdoor air has a temperature close to the room temperature. It enters the room while having.

On the other hand, various foreign matters contained in the outdoor air during the process as described above is accumulated on the air supply passage 37 of the total heat exchanger, and accumulated more than a predetermined amount when the inflow of outdoor air is reduced or contaminants enter the room, As shown in FIG. 2, the operation is performed in the decontamination mode.

As shown in FIG. 4B, the controller (not shown) first cuts off the power supplied to the air supply fan 15 to prevent the inflow of outdoor air, and simultaneously closes the first damper 51 and the second damper 53. Opening changes the exhaust flow path. At the same time, power is supplied to the vibrator provided in the support plate of the total heat exchanger 30 to vibrate the total heat exchanger at a predetermined frequency.

At this time, the exhaust fan 25 continues to operate, and the indoor air continues to be discharged to the outside along the changed flow path. That is, the indoor air is introduced into the exhaust duct 20 through the exhaust inlet 21 by the operation of the exhaust fan 25 and then guided to the air supply duct 10 by the first damper 51. Subsequently, the indoor air is guided to the air supply duct along with the contaminants separated from the heat exchanger plate or the corrugated plate of the air supply passage by the vibration of the heat exchanger while passing through the air supply passage 37 of the heat exchanger, and then the second damper 53. It is guided back to the exhaust duct 20, and then finally discharged to the outside through the exhaust outlet 23.

Next, the operation is performed for a predetermined time in the contaminant removal mode as described above, and then returned to the heat exchange ventilation mode. In this process, the controller cuts off the power applied to the vibrator, returns the first damper 51 and the second damper 53 to their original state, and then applies power to the air supply fan 15 again. It may return to the state shown in 4a.

So far, the present invention has been described with reference to the preferred embodiments, and those skilled in the art will be able to implement embodiments of a modified form within the essential technical scope of the present invention. Here, the essential technical scope of the present invention is shown in the claims, and the modified forms within the equivalent range will be construed as being included in the present invention.

The ventilation device according to the present invention provides the following effects.

Ventilation apparatus and its operation method according to the present invention provides the following effects.

First, according to the present invention, by discharging the contaminants accumulated on the air supply passage of the total heat exchanger to the outside by using the indoor air exhausted, it is possible to prevent the air flow path is blocked to reduce the air volume of the air supply. Therefore, it is possible to solve the problem that the heat exchange efficiency of the total heat exchanger suddenly decreases, or the load of the air supply fan increases, thereby increasing the power ratio.

Second, according to the present invention, it is possible to remove contaminants of the total heat exchanger by a relatively simple method of vibrating the total heat exchanger and varying the exhaust flow path of the indoor air. Therefore, it provides an advantage that can reduce the load of the air purification filter that was responsible for the purification of the air to be supplied conventionally.

Third, according to the present invention, by preventing the accumulation of contaminants accumulated in the total heat exchanger into the room, the environment of the room can be made more comfortable.

Claims (4)

An air supply duct in which outdoor air is guided indoors by an operation of an air supply fan, and an air exhaust duct intersecting with the air supply duct and in which indoor air is guided outdoor by an operation of an exhaust fan; It is provided at the point where the air supply duct and the exhaust duct intersect, the plurality of air supply passage communicating with the air supply duct and the plurality of exhaust passage communicating with the exhaust duct are partitioned so as to be adjacent to each other, the heat exchanger heat exchange between the air supply and the exhaust ; At least one vibrator provided in the heat exchanger and receiving power to vibrate the heat exchanger; And a damper configured to communicate the air supply duct with the air exhaust duct such that a part of the indoor air exhausted is discharged through the air supply passage of the heat exchanger to remove contaminants attached to the air supply passage. The method of claim 1, The vibrator is provided on both sides of the left and right sides in which the supply and exhaust passages of the heat exchanger having a hexahedron shape are not provided. The method of claim 1, The damper is provided in front of the total heat exchanger based on the exhaust direction, the first damper for guiding the exhausted indoor air to the supply passage of the total heat exchanger, and the indoor air passing through the supply passage of the total heat exchanger at the rear of the total heat exchanger. And a second damper for guiding the back to the exhaust duct. The method of claim 3, wherein The damper includes a hinge provided at the boundary between the exhaust duct and the air supply duct, and a plate-like member which rotates around the hinge to communicate the exhaust duct and the air supply duct.