KR20220010817A - Slim type heat exchange moudle installed in heat energy recovery ventilation system - Google Patents

Abstract

A slim heat exchange module applied to a heat exchange ventilation system of the present invention relates to a heat exchange module (device) added to a heat exchange ventilation system. The slim heat exchange module comprises: an X-shaped distribution unit that includes an outlet line through which indoor air is discharged in the shape of a rectangular pipe inclined in one direction and an inlet line through which outdoor air is introduced by being inclined to the other side, which is the same as the outlet line, wherein the inlet line and the outlet line are combined to form an 'X' shape in cross section, the distribution of the indoor air and outdoor air through the spatially separated outlet line and inlet line is made in the 'X' direction, and an air inlet or outlet has the same direction; a heat conduction unit that is installed throughout the width and height directions of the X-shaped distribution unit to allow the indoor air and outdoor air to pass through and includes a heat conduction means for transferring heat between the spatially separated outlet line and the inlet line for heat exchange between the indoor air discharged through the outlet line and the outdoor air introduced through the inlet line. Therefore, it is possible to install a heat exchange ventilation system on a wall, etc. and solve the spatial limitation of the installation of a heat exchange ventilation system. Since the resistance to air flow can be relatively reduced, air can flow smoothly. At the same time, there is an effect that efficient heat exchange can be made so that heating or cooling costs can be reduced.

Description

Slim type heat exchange module applied to heat exchange ventilation system {SLIM TYPE HEAT EXCHANGE MODLE INSTALLED IN HEAT ENERGY RECOVERY VENTILATION SYSTEM}

The present invention relates to a heat exchange module (device) added to a heat exchange ventilation system that is installed in various buildings having an indoor space, ventilates between the indoor space and the outdoor space, and recovers heat energy. It relates to a slim type heat exchange module having a relatively thin structure and allowing the smooth flow of air, and furthermore, having a relatively high heat exchange efficiency.

In recent years, as radical urbanization and industrialization progress, industrial facilities and traffic volume increase according to the expansion of the city's population and economic activity range, which intensifies air pollution.

Meanwhile, as urban centers develop and living standards increase, most people spend 80 to 90% of their time in indoor spaces such as offices, homes, and schools. has become a metric.

In particular, in order to maintain the cleanliness of indoor air quality, proper ventilation is required, so ventilation systems installed in buildings have been legislated and are inevitably added.

As such, the ventilation system installed in a building has a function of recovering heat energy during air circulation between an indoor space and an outdoor space in order to save heating or cooling energy.

For example, if the outdoor temperature in summer (the temperature of the outdoor space) is 35 °C and the indoor temperature (the temperature of the indoor space) at which the air conditioner is operating is 20 °C, the temperature difference between the indoor space and the outdoor space is 15 °C, , in the case of ventilation without heat exchange due to this temperature difference, cold air from the indoor space is discharged to the outdoor space, and hot air from the outdoor space is introduced into the indoor space, resulting in significant loss of heat energy.

Due to the problem of heat energy loss due to such ventilation, a typical ventilation system includes a heat exchange module that provides an environment in which heat exchange can be made between the air of the discharged indoor space and the air of the incoming outdoor space.

As a prior art of a ventilation system in which heat exchange is performed in this way, the title of the invention of Application No. 10-2018-0070964 'heat exchange ventilation system' has been disclosed.

As shown in the representative view of the 'heat exchange ventilation system' named in the application number 10-2018-0070964 of the invention in FIG. and a recirculation damper provided on the panel to selectively communicate the recirculation passage and the outside air supply space, and an internal filtering module comprising a filter means for filtering the indoor air introduced into the recirculation passage.

The bulkhead panel is mounted in such a way that both ends thereof are fitted to opposite sidewalls of the case, and a ventilation hole is formed in the bulkhead panel so that the internal discharge space in the case and the recirculation passage communicate with each other.

The filter means is composed of a pre-filter and a main filter closely arranged with the pre-filter. As the main filter, a HEPA filter having a fine particle collecting function or a combination filter having a fine particle collecting function and a deodorizing function is combined. is used

In more detail, the outdoor air intake port and the outdoor air outlet port are provided on the outdoor side, the indoor air intake port and the outdoor air supply port are provided on the indoor side, the outdoor air intake space communicating with the outdoor air intake port, the outdoor air in communication with the outlet port A case constituting therein an outside air supply space communicating with the outside air supply port and the inside exhaust space, the inside suction space communicating with the inside suction port, a heat exchanger provided in the case, and by sucking outdoor air into the case A suction blower for supplying to the indoor side, an exhaust blower for sucking indoor air into the case and discharging it to the outdoor side, and configured below the heat exchanger in the case so that the inside suction space and the inside exhaust space communicate without going through the heat exchanger A bypass cover constituting the bypass flow path to An internal filtering module comprising a bulkhead panel, a recirculation damper provided on the bulkhead panel to selectively communicate the recirculation flow path and the outdoor air supply space, and filter means for filtering the indoor air introduced into the recirculation flow path. , through such a configuration, the prior art enables selective use of general ventilation mode, bypass ventilation mode, and recirculation mode, and also avoids the hassle of replacing the heat exchanger and filter unit during recirculation mode operation. It has the advantage of being improved.

On the other hand, the heat exchanger (heat exchange module) as mentioned in the prior art is generally shown in FIG. As shown in the drawing showing the general shape of the heat exchanger, in the form of a rectangular parallelepiped, they flow only in the directions facing each other so that they flow in the mutually vertical direction, and they are formed of a metal material with high thermal conductivity so that indoor air with a temperature difference and Heat exchange between the outdoor air without mixing is ensured.

Due to such structural features, the conventional heat exchanger has a significant volume, and since the air flow directions are perpendicular to each other, there is a problem in that the volume of the heat exchange ventilation system in which the heat exchanger is built is considerably increased.

For this reason, the installation location is very limited due to the structural features of the heat exchanger when installing the heat exchange ventilation system in a building, such as a heat exchange ventilation system is mainly installed in the ceiling space, and an incidental construction is required as it is installed on the ceiling. In particular, there is a problem that the heat exchange ventilation system cannot be installed using a wall or the like.

The slim heat exchange module applied to the heat exchange ventilation system of the present invention was devised to solve the problems of the prior art as described above. An object of the present invention is to provide a heat exchange module capable of resolving the spatial limitation caused by the

In addition, the slim heat exchange module applied to the heat exchange ventilation system of the present invention has a structure in which air can flow smoothly by relatively reducing resistance to air flow, and for the purpose of providing a heat exchange module capable of efficient heat exchange do.

Other objects of the present invention can be understood through the characteristics of the present invention, can be seen more clearly through the embodiments of the present invention, and can be realized by means and combinations indicated in the claims.

In order to achieve the problems to be solved by the present invention as described above, the present invention has the following technical features.

The slim heat exchange module applied to the heat exchange ventilation system of the present invention is the same as the discharge line through which indoor air is discharged in the shape of a rectangular pipe inclined in one direction and the discharge line, but inclined in the other direction to the outdoor It includes an inlet line through which air is introduced, and the inlet line and the outlet line are coupled to form an 'X' shape in cross section, and the indoor air and outdoor air are distributed through the spatially separated outlet line and the inlet line. is made in the 'X'-shape direction, the inlet or outlet of the air is an X-shaped distribution unit having the same direction; and heat conduction means installed over the entire width and height directions of the X-shaped distribution unit to allow indoor air and outdoor air to pass therethrough, and to transfer heat between the spatially separated discharge line and the inlet line. and a heat conduction unit configured to exchange heat between the indoor air discharged through the inlet line and the outdoor air introduced through the inlet line.

In addition, the X-type distribution part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention consists of a plurality of outlet lines and the same number of inlet lines as the plurality of outlet lines, and each outlet line and each inlet line are alternately arranged. It is a technical feature.

In addition, the X-shaped distribution part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention is located in the center of the heat conduction part, and consists of a first division part and a second division part so that they can be coupled from both sides around the heat conduction part. ; is a technical feature.

In addition, the heat conduction part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention is made by winding a copper wire as a heat conduction means, and the air flowing through the discharge line and the inlet line passes through the heat conduction means; as a technical feature do.

In addition, the heat conduction means of the slim heat exchange module applied to the heat exchange ventilation system of the present invention is made of a guide part for guiding a copper wire to be wound in a rod shape and a copper wire wound along the guide part; a technical feature.

In addition, the heat conduction part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention is made by arranging graphite plates side by side as a heat conduction means, and the air flowing through the discharge line and the inlet line passes between the graphite plates; is a technical feature.

In addition, the graphite plate of the slim heat exchange module applied to the heat exchange ventilation system of the present invention is made of a spiral twisted in the longitudinal direction; a technical feature.

In addition, the slim type heat exchange module applied to the heat exchange ventilation system of the present invention includes: a pipe connecting part having one side fastened to the inlet and outlet sides of the exhaust line and the inlet line of the X-type distribution unit, and the other side having a connecting pipe for connecting to the pipe; It is characterized in that it further comprises a technical feature.

In addition, the slim heat exchange module applied to the heat exchange ventilation system of the present invention is formed in a structure that surrounds the outside of the X-shaped distribution unit, and it is technically characterized by further comprising a heat insulator for preventing the ingress of heat.

The slim heat exchange module applied to the heat exchange ventilation system of the present invention has the effect that it can be installed on a wall, etc. by configuring the heat exchange module added to the heat exchange ventilation system to be relatively thin through the means for solving the above problems, and is relatively slim Through the heat exchange module, there is an effect that can solve the spatial limitation due to the installation of the heat exchange ventilation system.

In addition, the slim heat exchange module applied to the heat exchange ventilation system of the present invention can relatively reduce the resistance to air flow by composing the heat conduction part with a copper wire or a graphite plate, so that air can be smoothly circulated, and at the same time, efficient heat exchange There is an effect that can be achieved.

Through the above effects, the slim heat exchange module applied to the heat exchange ventilation system of the present invention has the effect of reducing heating or cooling costs by recovering heat energy in ventilating the indoor air of the indoor space.

Other effects of the present invention can be understood through the characteristics of the present invention, can be seen more clearly through the embodiments of the present invention, and can be exhibited by means and combinations shown in the claims.

1 is a representative view of the title 'heat exchange ventilation system' of the invention of Application No. 10-2018-0070964;
2 is a view showing a general form of a heat exchanger;
3 is a view for explaining a configuration according to an embodiment of a slim heat exchange module applied to the heat exchange ventilation system of the present invention;
4 is a view for explaining in detail the X-type distribution part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention;
5 is a view showing an embodiment of the X-shaped distribution part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention;
6 is a view for explaining the heat conduction unit of the slim heat exchange module applied to the heat exchange ventilation system of the present invention;
7 is a view showing an embodiment of the heat conduction unit of the slim heat exchange module applied to the heat exchange ventilation system of the present invention;
8 is a view showing an embodiment of a heat conduction means using a copper wire of a slim heat exchange module applied to the heat exchange ventilation system of the present invention;
9 is a view showing an embodiment using graphite in the heat conduction means using graphite of the slim heat exchange module applied to the heat exchange ventilation system of the present invention;
10 is a view showing another embodiment using graphite in the heat conduction means using graphite of the slim heat exchange module applied to the heat exchange ventilation system of the present invention;
11 is a view for explaining a pipe connection part of a slim heat exchange module applied to the heat exchange ventilation system of the present invention;
12 is a view for explaining the heat insulating part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The detailed description of the present invention set forth below refers to the accompanying drawings, which show by way of illustration specific embodiments in which the present invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the present invention. It should be understood that various embodiments of the present invention are different but need not be mutually exclusive. For example, specific shapes, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the present invention in relation to one embodiment. In addition, it should be understood that the position or arrangement of individual components in each disclosed embodiment may be changed without departing from the spirit and scope of the present invention. Accordingly, the following detailed description is not intended to be taken in a limiting sense, and the scope of the present invention is limited only by the appended claims, along with all scopes equivalent to those claimed. Like reference numerals in the drawings refer to the same or similar functions throughout the various aspects.

3, as shown in the drawing for explaining the configuration according to an embodiment of the slim heat exchange module applied to the heat exchange ventilation system of the present invention, the slim heat exchange module 10 according to the present invention is an X-type distribution unit 100 and heat conduction. It is made including the part 200 .

In the slim heat exchange module 10 according to the present invention, as shown in FIG. 3 , both the air A1 discharged from the indoor space and the air A2 introduced from the outdoor space are discharged through the heat conduction unit 200 . Heat exchange is performed between the air A1 and the incoming air A2 to recover heat energy such as heating energy or cooling energy.

On the other hand, the X-type distribution unit 100 is formed to be considerably slimmer than the conventional heat exchange module as shown in FIG. 2 , and the exhaust air A1 and the inflow air A2 are both discharged and discharged in the same direction. It has structural features that can be introduced.

When describing the X-type distribution unit 100 in more detail, as shown in FIG. 4 for explaining the X-type distribution unit of the slim heat exchange module applied to the heat exchange ventilation system of the present invention in detail, the X-type distribution unit ( 100) includes a discharge line 110 through which indoor air is discharged in the shape of a rectangular pipe inclined in one direction, and an inlet line 120 which is the same as the discharge line 110, but slopes to the other side to introduce outdoor air. As shown in FIG. 4, the line 110 and the discharge line 120 are coupled so that the cross-sections w1-w2 in the width direction form an 'X' shape.

That is, when the discharge line 110 inclined in one direction and the discharge line 120 inclined in the other direction are coupled to each other so that the side center points coincide with each other as shown in FIG. 4, an 'X' shape is obtained.

As shown in FIGS. 3 and 4 (b), the circulation of indoor air and outdoor air through the discharge line 110 and the inlet line 120 that are coupled in an 'X' shape and spatially separated in this way is shown in FIGS. 3 and 4 (b). , is made in the 'X' direction, the inlet of the outlet line 110 and the outlet of the inlet line 120 are in the same direction, and the outlet of the outlet line 110 and the inlet of the inlet line 120 are in the same direction so that the inlet or outlet of the air has the same direction.

In addition, the X-type distribution unit 100 of the slim heat exchange module 10 according to the present invention has a plurality of discharge lines 110 and a plurality of discharge lines 110 as shown in FIG. ) and the same number of inlet lines 120 , and it is preferable to alternately arrange each outlet line 110 and each inlet line 120 .

This is to allow more efficient heat exchange between the indoor air discharged through the discharge line 110 and the outdoor air introduced through the inlet line 120 .

On the other hand, as shown in the drawing showing an embodiment of the X-type distribution unit of the slim type heat exchange module applied to the heat exchange ventilation system of the present invention in FIG. It is preferable to include the first divided part 100-1 and the second divided part 100-2 so that they can be coupled from both sides around the heat conducting part 200.

And, it is preferable that the material forming the X-shaped distribution unit 100 is made of a synthetic resin material having low thermal conductivity.

As shown in FIGS. 3 to 5 , the heat conduction unit 200 is located in the center of the X-type distribution unit 100 and is installed throughout the width and height directions of the X-type distribution unit.

Therefore, the indoor air and outdoor air discharged or introduced through the X-shaped distribution unit 100 pass through the heat conduction unit 200 , and in the process of passing through the heat conduction unit 200 in this way, the heat conduction means included in the heat conduction unit 200 . Heat is transferred between the discharge line 110 and the inlet line 120 that are spatially separated by a 210, and heat exchange is performed between the indoor air and the outdoor air.

That is, as shown in FIG. 6 for explaining the heat conduction unit of the slim type heat exchange module applied to the heat exchange ventilation system of the present invention, the heat conduction unit 200 is formed throughout the X-type distribution unit 100, so that the indoor space When the temperature of the indoor air is higher than the temperature of the outdoor air, such as during heating, the indoor air passes through the heat conduction unit 200 in the process of being discharged through the discharge line 110 and the heat conduction means of the heat conduction unit 200 ( 210), and the heated heat conduction means 210 heats the outdoor air while the outdoor air flowing into the room through the inlet line 120 passes through the heat conduction unit 200 .

The slim heat exchange module 10 according to the present invention has a structure in which both indoor air and outdoor air passing through the X-shaped distribution unit 100 pass through the heat conduction unit 200, and is included in indoor air having a relatively higher temperature than outdoor air. The heat energy is transferred from the indoor air discharged for ventilation to the outdoor air through the heat conduction unit 200 so that it can be recovered again by the heated outdoor air.

On the other hand, when the temperature of the indoor air is lower than the temperature of the outdoor air, such as when the indoor space is being cooled, heat energy is transferred opposite to FIG. 6 .

As such, the heat conduction unit 200 is heat-exchanged by the heat conduction means 210, so that the heat conduction means 210 may be made of various materials having heat conduction characteristics, but a copper material having a heat conductivity of 400 W/mk It is preferably made of a metal or a graphite material having a capacity of 1000 W/mk.

In the case of using a copper material as the heat conduction means 210, according to the thermal conductivity characteristics of copper, the thicker the copper thickness (L), the smaller the amount of heat (ΔQ) conducted for a certain period of time (Δt). As shown in the drawing showing an embodiment of the heat conduction unit of the slim heat exchange module applied to It is made by winding the thin copper wire 211 as possible to increase the contact area of Preferably, the thin copper wire passes through the wound heat conduction means 210 - c.

On the other hand, such a heat conduction means (210-c), as shown in FIG. 7, so that the copper wire 211 can be wound in the form of a rod, and in order to reduce air resistance and smooth contact with air, 8. As shown in the drawing showing an embodiment of a heat conduction means using a copper wire of a slim heat exchange module applied to the heat exchange ventilation system of the present invention, the heat conduction means 210-c is a guide part for guiding the copper wire 211 to be wound ( 212) and a copper wire 211 wound along the guide portion.

At this time, it is preferable that the guide part 212 includes a regular hexagonal guide piece 212-1 and a coupling pipe 212-2 in which a plurality of guide pieces 212-1 are installed.

As shown in FIG. 8, the guide piece 212-1 has a configuration that serves to easily wind the copper wire 211 and allow the wound copper wire 211 to form a predetermined surface. When all of the 211 are wound, six surfaces are formed, and the air passing through passes through the surface made of the copper wire 211 at least twice or more.

At this time, it is preferable that the coupling pipe 212-2 is made of a copper pipe so that the coupling pipe 212-2 itself performs a heat conduction function, and the guide piece 212-1 is also made of a variety of materials including synthetic resin. Although it can be implemented with a material, it is preferably made of copper or a copper alloy material.

In addition, when a graphite material is used as the heat conduction means 210, as shown in the drawing showing an embodiment using graphite in the heat conduction means using graphite of the slim heat exchange module applied to the heat exchange ventilation system of the present invention in FIG. 9, as shown in the drawings, graphite The graphite plate 213 coated with graphite on a base material of synthetic resin material or attached with a graphite film is arranged side by side so that air can circulate to form a heat conduction means (210-g) made of graphite, and ( As shown in b), the air flowing through the discharge line 110 and the inlet line 120 passes between the graphite plates 213 while absorbing and dissipating heat with relatively high efficiency. Heat is transferred to the air to be heated or cooled.

On the other hand, as shown in the drawing showing another embodiment using graphite in the heat conduction means using graphite of the slim heat exchange module applied to the heat exchange ventilation system of the present invention in FIG. 10 , the graphite plate 213 is the graphite plate. It is preferable that the graphite plate 213-s is made of a spiral twisted in the longitudinal direction at 213.

That is, by configuring the heat conduction means 210-g with a plurality of spiral graphite plates 213-s, compared to using the flat graphite plate 213 as shown in FIG. 9, the spiral graphite plate 213- s) has the advantage of reducing the number of graphite plates used, and the circulating air causes a vortex to allow a relatively large amount of air to be adjacent to the graphite plate for a relatively long time to improve heat exchange efficiency. can be improved

On the other hand, the slim heat exchange module 10 according to the present invention further includes a pipe connection part 300 as shown in FIG. 11 for explaining the pipe connection part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention, or FIG. 12 It may further include a heat insulating part 400 as shown in the drawing for explaining the heat insulating part of the slim heat exchange module applied to the heat exchange ventilation system of the present invention.

As shown in FIG. 11, one side of the pipe connection part 300 is fastened to the inlet side and the outlet side of the discharge line 110 and the inlet line 120 of the X-shaped distribution unit 100, and the other side is A connection pipe 310 for connecting to the pipe is formed.

That is, the pipe connection part 300 can easily connect the plurality of discharge lines 110 and the inflow lines 120 to one pipe.

In addition, the slim heat exchange module 10 according to the present invention is formed in a structure surrounding the outside of the X-shaped distribution unit 110 as shown in FIG. It may further include a heat insulating unit 400 made of a means.

In particular, as shown in FIG. 12 ( b ), the heat insulating part 400 is made of molded Styrofoam, and while filling the empty space generated by the inclined part of the X-shaped distribution part 110 , a flat appearance is formed. It is preferable to form the heat insulating part 400 .

In addition, the heat insulating unit 400 has an additional function of blocking the resonance generated due to the flow rate of air passing through the X-shaped distribution unit (110).

In the above, the present invention has been described based on a preferred embodiment, but the technical spirit of the present invention is not limited thereto, and it is possible to make modifications or changes within the scope described in the claims. Those of ordinary skill in the art to which the present invention pertains It is obvious to the user, and such modifications or changes shall fall within the scope of the appended claims.

10: slim heat exchange module according to the present invention
100: X-type distribution unit
100-1: first division
100-2: second division
110: discharge line
120: inlet line
200: heat conduction unit
210: heat conduction means
210-c: means of heat conduction (copper)
210-g: means of heat conduction (graphite)
211: copper wire
212: guide part
212-1: Guide
212-2: coupling pipe
213: graphite plate
213-s: Graphite Plate (Spiral)
300: pipe connection part
310: connector
400: insulation

Claims (9)

In the slim heat exchange module applied to the heat exchange ventilation system,
It has a rectangular pipe shape inclined to one side and includes a discharge line through which indoor air is discharged and an inlet line which is the same as the discharge line but slopes to the other side to introduce outdoor air, and the inlet line and the discharge line have an 'X' cross section in the width direction. An X-shaped distribution unit coupled to form a shape and having the same direction as the inlet or outlet of the air, and the distribution of indoor air and outdoor air through the spatially separated discharge line and inlet line is in the 'X'direction.; and
It is installed over the entire width direction and height direction of the X-shaped distribution unit, the indoor air and the outdoor air pass through, including a heat conduction means for transferring heat between the spatially separated discharge line and the inlet line through the discharge line A slim heat exchange module applied to a heat exchange ventilation system, comprising: a heat conduction unit configured to conduct heat exchange between the discharged indoor air and the outdoor air introduced through the inlet line. According to claim 1, wherein the X-shaped distribution portion
A slim type heat exchange module applied to a heat exchange ventilation system, characterized in that it consists of a plurality of discharge lines and the same number of inlet lines as the plurality of discharge lines, and each discharge line and each inlet line are alternately arranged. According to claim 1, wherein the X-shaped distribution portion
A slim type heat exchange module applied to a heat exchange ventilation system, characterized in that the heat conduction unit is positioned at the center, and the heat conduction unit is formed of a first divided portion and a second divided portion to be coupled from both sides around the heat conduction unit. According to claim 1, wherein the heat conduction unit
A slim heat exchange module applied to a heat exchange ventilation system, characterized in that it is made by winding a copper wire as a heat conduction means, and the air flowing through the discharge line and the inlet line passes through the heat conduction means. 5. The method of claim 4, wherein the heat conduction means is
A slim type heat exchange module applied to a heat exchange ventilation system, characterized in that it comprises a guide part for guiding the copper wire to be wound in a rod shape and a copper wire wound along the guide part. According to claim 1, wherein the heat conduction unit
A slim type heat exchange module applied to a heat exchange ventilation system, characterized in that it is made by arranging graphite plates side by side as a heat conduction means, and the air flowing through the discharge line and the inlet line passes between the graphite plates. The method of claim 6, wherein the graphite plate
A slim type heat exchange module applied to a heat exchange ventilation system, characterized in that it is formed in a spiral twisted in the longitudinal direction. According to claim 1,
One side is each fastened to the inlet side and the outlet side of the discharge line and the inlet line of the X-shaped distribution unit, and the other side is a pipe connection part having a connecting pipe for connecting to the pipe; Applied to the heat exchange ventilation system, characterized in that it further comprises Slim heat exchange module. According to claim 1,
A slim heat exchange module applied to a heat exchange ventilation system, characterized in that it further comprises a; is formed in a structure surrounding the outside of the X-shaped distribution unit, and prevents heat from entering and exiting.

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