KR100871954B1 - Heat transferring exchanger prevnting feedback of room air - Google Patents

Abstract

The present invention provides a heat transfer mat installed in a rotary heat exchanger in which a heat transfer function having a heat recovery function is installed on a rotating wheel and heat exchange between indoor air and outdoor air occurs while separating and passing indoor air and outdoor air in both directions of the wheel. It is characterized in that to prevent the transition between the indoor air and outdoor air by interlocking the cylindrical rollers on both sides of the wheel installed, according to the present invention by maintaining the air tightness by interlocking the rollers on both sides of the wheel of the rotating heat recovery function Ventilation is prevented from returning indoor air to the room, and ventilation is prevented by the unevenness of the wheels and wheel housings on the outer circumference of the wheel, thereby preventing the loss of heat energy in the indoor air, and contaminated air in the room Not only does it come out, but also the outside air It is purified by a heat mat doubles as a performance there is an effect that can inject clean air into the room.

Roller, wheel, wheel housing, irregularities, ventilation

Description

HEAT TRANSFERRING EXCHANGER PREVNTING FEEDBACK OF ROOM AIR}

1 is a schematic cross-sectional view of a rotary heat exchanger in which conventional ventilation is performed.

Figure 2 is an exploded perspective view of a rotary heat exchanger is prevented from performing ventilation in accordance with the present invention.

Figure 3a is a side view of a ventilator using a rotary heat exchanger is prevented from performing the ventilation in accordance with the present invention.

FIG. 3B is a plan view showing the top cover of the ventilator shown in FIG. 3A.

Figure 3c is a plan view showing the removal of the flow path forming plate defining the intake and exhaust sections of the rotary heat exchanger according to the present invention in the ventilator shown in Figure 3b.

Figure 3d is a plan view showing the removal of the housing of the cylindrical roller for preventing ventilation of the rotary heat exchanger according to the present invention in the ventilation device shown in Figure 3c.

Figure 4a is a side view showing a state in which the cylindrical roller for preventing ventilation is mounted on the wheel that rotates by the roller housing.

Figure 4a is a front view showing a state in which the cylindrical roller for preventing ventilation is mounted on the wheel that rotates by the roller housing.

4C is a cross-sectional view illustrating a form in which a wheel and a cylindrical roller are engaged.

Figure 4d is a cross-sectional view showing a cylindrical roller forming a jaw bump.

Figure 5a is a side cross-sectional view showing the shape of the cylindrical roller installed on the wheel.

FIG. 5B is a plan view showing a cylindrical roller installed on a rear surface. FIG.

6 is a cross-sectional view showing a structure of a wheel and a wheel housing for preventing ventilation from being performed through a gap between the wheel and the wheel housing.

7A is a side cross-sectional view of a rotary heat exchanger with anti-shake means of the wheel.

It is a top view of the rotary type heat exchanger shown in FIG. 7B.

FIG. 7C is a cross-sectional view taken along the line AA ′ of FIG. 7B.

                  Explanation of symbols on the main parts of the drawings

1: cylindrical roller 3, 4: wheel

5: roller housing 6: diaphragm

7, 8: wheel housing 9: bet inlet

11: exhaust duct 13: outside air intake

15: intake duct 17: exhaust blower

19: plastic ring 21: flow path forming plate

22a: Exhaust vent 22b: Intake vent

23: bearing 24a, 24b: blower installation hole

25: bearing push bump 27: recess

28: windproof hat 29:

31: wheel rotation axis 33: ventilation case

35: roller rotation axis 37: vibration preventing roller

39: anti-vibration roller case 41: heat transfer mat

43: upper cover 45: motor

47: bearing 49: roller support bracket

51: wheel cover

The present invention relates to a rotation type heat exchanger prevented from performing ventilation, and more particularly, a heat transfer mat having a heat recovery function is installed on a rotating wheel and separates indoor air and outdoor air from both directions of the wheel and passes the indoor air. In a rotary heat exchanger for exchanging heat between outdoor air, the rotational heat exchanger is prevented from performing the ventilation which can prevent the indoor air or the outdoor air from returning to or bypassing the indoor or outdoor without passing through the heat mat. will be.

Referring to FIG. 1, the conventional rotary heat exchanger is configured to ventilate or supply air by dividing a passage of indoor air and outdoor air into up, down, left, and right directions. At this time, since the wheel 4 provided with the heat exchange mat or the heat transfer mat, which is a medium for exchanging heat, rotates, there is a lot of difficulty in separating the flow path so that indoor air and outdoor air divided into up, down, left, and right are not mixed with each other. . Ventilation transition refers to the return of the indoor air without venting outwards, the return of the outdoor air outward without entering, or the bypass of the indoor or outdoor air without passing through the heat transfer mat. Dropping is one of the most important factors.

In the conventional rotary heat exchanger, the plastic diaphragm (6) is attached to the frame of the wheel (4) to prevent ventilation, but the plastic diaphragm (6) is worn out due to friction with the wheel (4) frame. If this happens again and the plastic diaphragm 6 is too tightly applied, the friction with the wheel 4 frame causes a large load on the wheel rotating motor, and at the same time, the contact surface between the wheel 4 frame and the plastic diaphragm 6 wears out. Make.

In addition, a heat transfer mat of a polymer nonwoven fabric fiber type is used as a filter in the wheel, and the heat transfer mat has a problem in that ventilation is performed on the surface of the heat transfer mat due to the uneven surface.

In addition, in the existing rotary heat exchanger, some of the indoor air discharged escapes through the gap between the outer circumferential surface of the wheel 4 and the wheel housing 8 without passing through the heat transfer mat and emits indoor heat energy to the outside. The outside air is also introduced into the gap between the outer circumferential surface and the wheel housing 8 so that it does not undergo heat exchange and thus acts as a factor of lowering the room temperature.It does not go through the heat transfer mat that also functions as a filter. There is a problem that can not be expected.

The present invention devised to solve the above-described problems of the conventional rotary heat exchanger reliably separates the indoor air flow path and the outdoor air flow path of the wheel where heat exchange takes place, so that the transition of indoor air and outdoor air does not occur. Its purpose is to provide an exchanger.

Another object of the present invention is to provide a rotary heat exchanger capable of minimizing the amount of air introduced or discharged into the gap between the wheel and the wheel housing to reduce energy loss and properly perform the air purification function by the heat transfer mat.

Still another object of the present invention is to provide a rotary heat exchanger capable of quiet operation without vibration of a wheel even when using a large wheel.

Rotational heat transfer bridge ventilation is prevented to perform the ventilation in accordance with the present invention to achieve the above object is characterized by preventing the transition between the indoor air and the outdoor air by installing a cylindrical roller on both sides of the wheel on which the heat recovery heat transfer mat is installed. It is done.

Another feature of the present invention is to form a convex portion along the outer circumferential surface of the wheel, the wheel housing for accommodating the wheel to form a concave portion coupled with the convex portion of the wheel, and along the rim of the wheel Forming a plastic ring protruding to the surface to suppress the bypass of the indoor air or outdoor air into the gap between the wheel and the wheel housing.

Another feature of the present invention is to prevent the vibration of the wheel that may occur in the high-speed rotary type heat exchanger by further installing a vibration preventing roller that rotates while pressing the rim on both sides of the wheel.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the rotation type heat exchanger is prevented in accordance with the present invention.

Figure 2 is an exploded perspective view of the rotational heat exchanger prevented ventilation according to the present invention, Figure 3a is a side view of a ventilation device using a rotational heat exchanger prevented ventilation performance according to the present invention, Figure 3b is Figure 3a 3C is a plan view of the ventilator shown in FIG. 3B, with the upper cover of the ventilator shown in FIG. 3B removed from the flow path forming plate defining the intake and exhaust sections of the rotary heat exchanger according to the present invention. Figure 3d is a plan view showing the removal of the housing of the cylindrical roller for preventing the ventilation transition of the rotary heat exchanger according to the present invention in the ventilation device shown in Figure 3c, Figure 4a is a cylindrical roller for preventing the ventilation migration to the roller housing Side view showing the state mounted on the wheel by rotating, Figure 4a shows the cylindrical roller for preventing ventilation performance mounted on the wheel rotating by the roller housing 4C is a cross-sectional view illustrating a form in which a wheel and a cylindrical roller are engaged, FIG. 4D is a cross-sectional view showing a cylindrical roller forming a rolling prevention jaw, and FIG. 5A is a view in which a cylindrical roller is installed on a wheel. Side cross-sectional view, Figure 5b is a plan view showing the shape of the cylindrical roller installed in the rear, Figure 6 is a cross-sectional view showing the structure of the wheel and the wheel housing for preventing the ventilation is carried out through the gap between the wheel and the wheel housing, FIG. 7A is a side cross-sectional view of the rotary heat exchanger with anti-rolling roller of the wheel, a plan view of the rotary heat exchanger shown in FIG. 7B, and FIG. 7C is a cross-sectional view taken along line AA ′ of FIG. 7B, respectively. Indicates.

Referring to FIG. 2, the rotary electrothermal heat exchanger according to the present invention includes a heat transfer mat 41 made of a material such as a polymer and performs heat exchange and air purification therein and rotates according to the driving of the motor 45. 3), a wheel housing 7 for receiving the wheel 3 therein and rotatably supporting the wheel 3, and indoor air and outdoor air attached to both surfaces of the wheel 3 and the wheel housing 7 to be introduced therein. A flow path forming plate 21 for separating the flow path is included. The wheel cover 51 may be further provided to fix the heat transfer mat 41 to the inside of the wheel 3. In addition, a bearing 47 for fixing the motor may be further provided. Heat is exchanged between the indoor air and the outdoor air in the heat transfer mat 41 while the indoor air and the outdoor air are separated and passed through the rotating wheel 3.

3d and 4a to 4d, the present invention is characterized in that the wheel 3 is rotated after the cylindrical roller 1 is installed on the both sides of the wheel 3 where heat exchange takes place by about 1.0 mm to 0.5 mm. When the cylindrical roller 1 also rotates in a state almost in contact with the wheel to prevent the ventilation performance. Since each part of the surface of the cylindrical roller 1 has a different rotational speed, the surface of the cylindrical roller 1 and the surface of the wheel 3 are more likely to be worn as they are in contact with the part near the center of the wheel. It is preferable to apply Teflon coating or to mold the whole with Teflon resin. The cylindrical roller 1 is accommodated in the roller housing 5 by a roller support bracket 49, and the roller housing 5 is fixed to the inner surface of the flow path forming plate 21.

In FIG. 2, the cylindrical rollers 1 are installed one by one on both sides of the rotational axis 31 of the wheel, but a plurality of cylindrical rollers having different diameters and lengths are continuously installed in a row. Friction between the cylindrical rollers can be reduced. According to the size of the wheel 3, the number of cylindrical rollers 1 may be increased, and the frictional force generated between the wheels and the rollers may be reduced by adjusting the ratio of the outer diameter of the upper and lower rollers.

The heat exchange heat transfer mat 41 is accommodated in the frame of the circular wheel 3, and the cylindrical roller 1 engaged with the wheel 3 and the roller housing 5 supporting the wheel block form an intake or exhaust flow path. It is attached to the plate 21 and then assembled to the wheel housing 7. A wheel rotation shaft 31 is formed at the center of the wheel 3, and the motor 45 is coupled to the wheel rotation shaft 31.

2 and 4c, the cylindrical roller 1 is covered with the roller housing 5 and the distance between the housing and the roller is within 1 mm. The cylindrical roller 1 rotates in contact with the wheel, and when the cylindrical roller 1 is slightly uneven, a weak air flow is formed between the cylindrical roller 1 and the roller housing 5 in the reverse direction of ventilation. Can function as an air curtain to prevent ventilation.

As shown in FIG. 4B or 4C, when the cylindrical roller 1 is installed to protrude 1-2 mm with respect to the roller housing 5, and a clearance is formed inside the roller housing 5, the cylindrical roller 1 When pressing the wheel (3) the roller housing (5) has the effect of almost contacting the wheel (3) without friction. Therefore, the ventilation can be prevented to some extent not only by the cylindrical roller 1 but also by the roller housing 5. Referring to FIG. 4D, it is preferable that the cylindrical roller 1 has bearing thrust preventing jaws 925 formed at both ends thereof, and a roller shaft is formed outside thereof to insert the bearing 23. Cylindrical rollers can be molded by injection.

As shown in FIGS. 5B and 6, the air flow is directed to air flowing into or out of the gap between the outer circumferential surface of the wheel 3 and the wheel housing 7 without passing through the heat transfer mat 41 provided in the wheel 3. In order to make it as difficult as possible, it is desirable to attach the plastic ring 9 resistant to wear to the front and rear surfaces of the wheel. In addition, as shown in FIGS. 2 and 6, the plastic ring 9 is projected more than the outer circumferential surface of the wheel 3 and the protruding portion of the plastic ring 9 can be inserted into the wheel housing 7. It is preferable to form the groove 26. Ventilation prevention effect by such a plastic ring 19 can be particularly effective when the air is strongly introduced or discharged.

In addition, as shown in FIGS. 2 and 6, the wheel 3 and the wheel housing 7 so as to make the air flow as difficult as possible for the air flowing into or out of the gap between the outer circumferential surface of the wheel 3 and the wheel housing 7. It is preferable to form the unevenness | corrugation which matches each other in the inner side surface of (). When the gap between the wheel 3 and the wheel housing 7 is formed horizontally in the flow path, since the indoor air or outdoor air is easily bypassed by the gap, the unevenness is formed to block the flow of air. 2 and 6 illustrate the case where the convex portion is formed on the outer circumferential surface of the wheel 3 and the recess is formed on the inner surface of the wheel housing 7, but the recess is formed on the outer circumferential surface of the wheel 3. The same effect can be obtained also by forming the concave portion and forming the convex portion on the inner surface of the wheel housing 7. In addition, as illustrated in FIG. 6, a windproof hat 28 may be provided at the recessed portion of the wheel housing 7 to further increase the effect of preventing ventilation.

When the wheel 3 is molded from plastic, the plastic may be cooled while the injection causes the wheel to turn and harden. Depending on the material, it is usually about 2mm wide. If the radius of the wheel exceeds 40 centimeters, the wheel may be more distorted. Designed for high wind speeds, the wheels may not be bent by wind. In order for the cylindrical roller 1 and the ventilation migration prevention method by unevenness | corrugation to be effective, the wheel shake should be small. 7A to 7C, wheels 3 that may occur in a high-speed rotary type heat exchanger by further installing anti-vibration rollers 37 that rotate while pressing the edges on the edges of both sides of the wheels 3. It is desirable to prevent the shaking. The anti-vibration roller 37 is installed in the housing 39, and the housing 39 is fixed to the inner surface of the flow path forming plate. The anti-vibration roller 37 is preferably installed so as to be disposed in a direction perpendicular to the cylindrical roller (1) for preventing the ventilation movement. In addition, the anti-vibration roller 37 is preferably installed so as to rotate while contacting the plastic ring (19).

The rotary electrothermal heat exchanger according to the present invention having the above-described configuration is used in a ventilation device as shown in FIG. 3A to recover the heat of indoor air discharged at the same time as ventilating between indoor air and outdoor air and re-introducing the inside of the room. You can do it.

According to the present invention having the above-described configuration is installed by engaging the rollers on both sides of the rotating heat recovery function by maintaining the maximum airtightness by interlocking the rollers to prevent the ventilation performance of the indoor air to be discharged back to the room, the wheel and the wheel on the outer peripheral surface of the wheel Since the ventilation is prevented by the unevenness of the housing, it is possible to prevent the loss of heat energy in the indoor air, not only the polluted air in the room is discharged without returning to the room, but also the outside air is supplied to the heat transfer mat functioning as a filter. It is effective to inject clean air into the room. In addition, even when the wheel is large, there is an effect that can provide a rotary type heat exchanger capable of quiet operation without vibration.

Claims (3)

Cylindrical rollers are engaged on both sides of the wheel on which the heat recovery heat mat of the rotary heat exchanger is installed to form convex portions along the outer circumferential surface of the wheel of the rotary heat exchanger, which prevents the transition between indoor and outdoor air. The wheel housing for accommodating the wheel forms a recess that engages with the convex portion of the wheel, and forms a plastic ring that protrudes forward and backward along the rim of the wheel so that indoor or outdoor air can A rotary electrothermal heat exchanger, wherein ventilation is prevented from being bypassed. The method of claim 1, The anti-ventilation rotational heat transfer, characterized in that to prevent the shaking of the wheel that may occur in the high-speed rotary heat exchanger by installing an anti-vibration roller that rotates while pressing the rim on both sides of the wheel Exchanger. delete

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