KR20050010581A - A ventilation system - Google Patents

Abstract

PURPOSE: A ventilation system is provided to keep the optimal humidity of the room with low energy by recovering and reusing the water and heat of the room air discharged into a room by exchanging both heat and water. CONSTITUTION: A ventilation system is composed of an external air suction port formed at one side of a body case to suck in the external air; an external air supply fan for blowing forcibly the air sucked through the external air suction port into the room; an external air delivery port formed at the other side of the external air suction port to be an outlet for ejecting the air sent from the supply fan into the room; a room air suction port disposed on one side of the body case to be an inlet for sucking in the room air; a room air exhaust fan for blowing the air passing through the room air suction port to the outside; a room air discharge port arranged on one side of the body case to be an outlet for discharging the room air to the outside; a heat exchanger(60) for exchanging heat between the external air inserted through the external air suction port and the air input through the room air suction port; a pre-filter(68) installed at the side of the heat exchanger to filtrate foreign matters in the air; and a support frame(61) disposed outside the heat exchanger to hold the heat exchanger. The pre-filter is mounted at the support frame of the heat exchanger.

Description

A ventilation system

The present invention relates to a ventilation system, and more particularly, to a ventilation system in which electric heat exchange occurs while indoor air and external air intersect, and external air is cleaned and supplied to a room by a filter.

In recent years, due to problems such as energy conservation and noise, the residential space of human beings is gradually becoming airtight and insulated. However, the air in these closed spaces gradually changes to carbon dioxide and contaminates over time, thereby inhibiting the breathing of life.

Therefore, a place where many people stay in a narrow space, such as an office or a vehicle, needs to be frequently ventilated. In this case, a ventilation system using an electrothermal exchange method is usually used. This is for supplying external air while maintaining the indoor air temperature, and for exhausting the indoor air.

1 is a perspective view of a conventional ventilator, FIG. 2 is a heat exchanger and a prefilter of a conventional ventilator, and FIG. 3 is a front view of the heat exchanger of FIG.

As shown in the drawing, the outside air inlet 12 is formed on one side of the main body case 10 forming the exterior so as to suck the outside air. A suction duct (not shown) is provided inside the external air inlet 12 to allow the external air sucked from the suction hole 12 to reach the heat exchanger 14 to be described below. ) Is formed to be a passage of external air.

In order to exchange heat between the air sucked from the outside and the air discharged from the outside to the outside, an electrothermal heat exchanger 14 as shown in FIG. 2 is provided at the inner center of the main body case 10. It is configured to have.

The heat exchanger 14 as described above normally exchanges moisture and sensible heat for exchanging latent heat by means of highly efficient heat exchange membranes forming layers of the different flow paths by allowing each air having a temperature difference to pass through different flow paths. Follow the principle of electrothermal exchange by heat.

The external air passing through the heat exchanger 14 from the external air inlet 12 is formed on the opposite side to the suction hole 12 by an external air supply unit (not shown) formed in the main body case 10. It is supplied into the room through the external air supply hole (16).

On the other hand, the indoor air inlet 18 is formed on the side of the external air supply hole 16, the indoor air is sucked into the main body case 10 of the ventilator. In addition, an indoor air exhaust hole 20 through which the indoor air sucked into the inside of the ventilator from the indoor air intake port 18 is formed at a side of the external air intake port 12.

The heat exchanger 14 has four heat exchanger support frames 22 formed long in front and rear at four corners, and prefilters 24 are installed on both lower sides of the heat exchanger 14. The prefilter 24 serves to filter foreign matter mixed in the outside air, and the prefilter 24 is formed separately from the heat exchanger 14 and is detached.

The conventional ventilation device as described above has the following problems.

The prefilter 24 does not have a separate fixing structure and is installed on both side surfaces of the lower part of the total heat exchanger 14. Therefore, in order to mount the prefilter 24, since it cannot be installed integrally with the heat exchanger 14, there is a hassle that needs to be detached from the heat exchanger 14 separately.

In addition, when the prefilter 24 is mounted, the pre-heat exchanger 14 assembly must first be inserted into the main body case 10, and then the prefilter 24 must be mounted. That is, there is a problem that the assembly order must be followed.

In addition, since the prefilter 24 is not fixed, there is a problem that the prefilter 24 generates noise due to shaking when the ventilation device as described above is operated.

On the other hand, the conventional ventilation apparatus as described above has a problem that the bacteria, bacteria, exhaust gas, dust, etc. are sucked into the building without being properly filtered because only the pre-filter (built-in). This can cause air inhalation into the building, which may harm the health of those indoors and cause discomfort.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and to provide a ventilation system in which a pre-filter or a high-performance filter is easily attached and detached.

Another object of the present invention is to improve the cleanliness of the air sucked into the indoor space through the ventilation system.

1 is a perspective view of a ventilation apparatus according to the prior art.

Figure 2 is a perspective view showing a pre-heat exchanger and a pre-filter of the ventilation apparatus according to the prior art.

3 is a front view of the total heat exchanger of FIG.

Figure 4 is an exploded perspective view showing the main configuration of a preferred embodiment of the ventilation system according to the present invention.

Figure 5 is a cutaway perspective view showing the internal configuration of a preferred embodiment of the ventilation system according to the present invention.

Figure 6 is a partial front view showing a state of installation of the total heat exchanger the main configuration of the preferred embodiment of the ventilation system according to the present invention.

Figure 7 is a state diagram showing the pre-filter mounting state seen in the 'A' direction of FIG.

8A is a perspective view of a high performance filter which is the main configuration of a preferred embodiment of the ventilation system according to the present invention;

Figure 8b is an exploded perspective view showing a schematic configuration of a high performance filter which is the main configuration of a preferred embodiment of the ventilation system according to the present invention.

8C is an internal configuration diagram of a high performance filter which is a main configuration of a preferred embodiment of the ventilation system according to the present invention;

Figure 9 is a state diagram showing a state in which air flows inside the ventilation system according to the present invention during the full-heat ventilation mode operation.

10 is a state diagram showing a state in which air flows inside the ventilation system according to the present invention during the normal ventilation mode operation.

Explanation of symbols on the main parts of the drawings

50. Main body case 52. External air intake

54. Left suction duct 56. Indoor air outlet

58. Exhaust Fan Housing 60. Heat Exchanger

61. Support frame 62,65. Element support

63,66. Filter support 64. Side guide

68. Prefilter 70. High Performance Filter

80. Exhaust fan 82. External air outlet

84. Outlet mounting hole 86. Air supply fan housing

88. Indoor air intake port 90. Indoor air intake hole

92. Right suction duct 94. Damper

96. Air supply fan 100. Control box

102. Ceiling Fixture 104. Checking Fixture

106. Inspection Door

Ventilation system according to the present invention for achieving the above object is formed on one side of the main body case and the outside air inlet is an inlet for the outside air suction; An external air supply fan for forcibly blowing the air sucked from the external air inlet into the room; An external air outlet formed at one side of the external air inlet and serving as an outlet through which air blown by the air supply fan is blown into the room; An indoor air suction port formed at one side of the main body case and serving as an inlet for sucking indoor air; An indoor air exhaust fan that blows air that has passed through the indoor air inlet to the outside; An indoor air outlet formed on one side of the main body case and serving as an outlet through which the indoor air is discharged to the outside; An electrothermal heat exchanger configured to allow the external air sucked from the external air intake port and the air sucked from the indoor air intake port to exchange heat with each other; A prefilter installed on one side of the total heat exchanger to filter foreign matter mixed in air; A heat exchanger support frame provided outside the heat exchanger and supporting the heat exchanger; The pre-heat exchanger support frame is characterized in that the pre-filter is mounted.

And, one side of the total heat exchanger support frame may be further provided with a high performance filter for cleaning air.

The support frame, the element support portion for supporting the heat exchanger in contact with the outer surface of the heat exchanger; Protruding from the element support and integrally formed, and comprises a filter support for supporting the pre-filter or high performance filter.

The prefilter or the high performance filter is detached by sliding back and forth along the support frame.

The side end of the total heat exchanger is further provided with a side guide for supporting the total heat exchanger, the pre-filter and the high performance filter.

The side guide may include an element support part that contacts the side end of the heat exchanger, supports the heat exchanger, and guides forward and backward sliding; Protruding from the element support portion is formed integrally, and comprises a filter support portion for supporting the pre-filter or high-performance filter and to guide the front and rear movement.

On the other hand, the high performance filter, the ionizer for charging the dust in the outside air, the collector to collect the charged dust from the ionizer using the electrostatic phenomenon, and the odor components such as odors that could not be removed from the collector A filter assembly having a configuration including a deodorizing filter for deodorizing; A mount filter to which the filter assembly is mounted; The mount filter is fixed, and one side is mounted to the support frame is configured to include a mounting frame sliding forward and backward.

According to the ventilation system according to the present invention having such a configuration, there is an advantage that the noise caused by the prefilter is reduced, and the air cleaning effect is improved.

4 schematically illustrates an example of a ventilation system according to the present invention in an exploded perspective view, and FIG. 5 shows an internal configuration of the ventilation system according to the present invention. 6 shows a cross-sectional view of the heat exchanger and the support frame according to the present invention, and FIG. 7 shows a state in which a prefilter is inserted into the support frame of FIG. 6, and FIGS. 8A to 8C. The configuration of the high performance filter according to the invention is shown.

As shown in these figures, a substantially rectangular box-shaped body case 50 forms an appearance. The body case 50 forms the appearance of the entire product, and supports the installation of the internal structure to protect, and at the same time serves to block foreign matter from entering the product from the outside.

On the left side of the main body case 50, an external air inlet 52, which is an inlet for inhaling external air, is installed to protrude laterally. An inlet mounting hole (not shown) is formed at the left end of the main body case 50 so that the external air inlet 52 is inserted and mounted therein.

Inside the outside air inlet 52, a left suction duct 54 is disposed between the outside air intake 52 and the heat exchanger 60 so that the outside air drawn from the intake 52 can reach the heat exchanger 60, which will be described below. Is formed. That is, the left suction duct 54 serves as a suction passage that guides the outside air to be sucked smoothly.

An internal heat exchanger 60 is provided at an inner central portion of the main body case 50. The heat exchanger (60) is generally configured in the shape of a hexagonal column and has a cross-flow plate type structure. That is, it is configured to separate the supply and exhaust passages with a partition plate of special processed paper so that outside air and indoor air are not mixed with each other.

Therefore, the heat exchanger 60 as described above generally allows each air having a temperature difference to pass through different flow paths, thereby allowing moisture and sensible heat to exchange latent heat by a highly efficient heat exchange membrane forming layers of the different flow paths. Heat exchange causes heat exchange. That is, the special processing paper used for the total heat exchanger 60 is characterized by passing only heat and moisture without passing air.

The total heat exchanger (60) having the configuration described above performs electrothermal exchange between the air supply and the exhaust in the apparatus, absorbs the heat of the air from the exhaust, transfers it to the air supplied to the room, and affects the state of the indoor air from the external air. Get less.

This electrothermal ventilation mode may be implemented by the user's selection. That is, in general, the heat transfer ventilation mode as described above is mainly used in summer and winter when the temperature difference between the indoor and outdoor is large, and when the temperature difference between the indoor and outdoor is not very large, such as spring or autumn, the damper 94 will be described below. By changing the passage of the air discharged to the outside to prevent the air exhausted to pass through the heat exchanger 60, it can be used in the normal ventilation mode.

On the other hand, the upper and lower ends of the heat exchanger 60 having a hexagonal cross-section is provided with a support frame 61, the heat exchanger 60 long before and after. The support frame 61 supports the load of the total heat exchanger 60 so that the total heat exchanger 60 is firmly supported, and also serves as a guide rail when the front heat exchanger 60 is attached and detached.

The support frame 61 of the heat exchanger 60 is an element support part 62 for guiding forward and backward movement while supporting the load of the heat exchanger 60, and a filter extending laterally from the element support part 62. It consists of a support part 63.

The element support part 62 includes a main body contact surface 62 'contacting the main body case 50, and an element contact surface 62 " formed to protrude upward from both ends of the main body contact surface 62'. The element support portion 62 has a central portion recessed to form a tunnel shape. The lower end portion of the tunnel shape is in contact with the main body case 50, and the filter support portion 63 is formed of the element support portion 62. And an inclined surface 63 'which is formed to be inclined laterally downward from the side end, and a bent rib 63 "which is formed to be bent vertically from the inclined surface 63'.

Side guides 64 are provided at the side edges of the heat exchanger 60. The side guide 64 is composed of an element support portion 65 surrounding the edge of the heat exchanger 60, and a filter support portion 66 protruding from the element support portion 65. The filter support portion 66 is composed of a vertical surface 66 'protruding vertically from the element support portion 65, and a bending rib 66 "formed laterally bent from the vertical surface 66'.

That is, the element support portion 65 of the side guide 64 is provided in the corner of the heat exchanger 60 is formed in a substantially 'b' shape so as to be in contact with both sides of the corner at the same time, the 'b' shaped A pair of filter support portions 65 are formed to protrude from each surface of the element support portion 65.

Accordingly, the prefilter 68 is mounted to slide forward and backward between the support frame 61 and the filter support 63 of the side guide 64 facing each other. The prefilter 68 is provided to both sides of the lower portion of the total heat exchanger (60) to filter the foreign matter in the air.

That is, the pre-filter 68 provided on the lower left side of the total heat exchanger 60 into which the external air is sucked increases the cleanliness of the air supplied to the room by filtering out the foreign matter mixed in the external air, and the heat exchanger 60 ) Protects against foreign objects. In addition, the pre-filter 68 provided on the lower right side of the heat exchanger (60) filters the foreign matter mixed in the air exhausted from the inside to the outside, thereby protecting the heat exchanger (60) to extend the life. Will be

The total heat exchanger (60) is generally provided with two before and after, such a heat exchanger (60) is supported by the support frame 61 of the heat exchanger (60) and slide back and forth. Therefore, the front surface of the heat exchanger 60 is further provided with a handle 69 for facilitating forward and backward movement.

The upper right side of the total heat exchanger (60) is further provided with a high performance filter (70). The high performance filter 70 serves to filter back the dust particles in the intake air. In other words, the pre-filter 68 of the fibrous mat form, the large dust in the air is first filtered, the heat is transferred while passing through the heat exchanger 60, the air passed through the heat exchanger (60) Is filtered by the high-performance filter 70 to fine foreign matter again.

The high performance filter 70 as described above is composed of an electrostatic precipitator having a configuration as shown in FIGS. 8A to 8C. The high performance filter 70 includes a filter assembly 72 having various functions, a mount filter 74 supporting the filter assembly 72, and a mounting frame 76 to which the mount filter 74 is fixed. do.

As shown in FIG. 8C, the filter assembly 72 is charged through the ionizer 72a and the ionizer 72a to charge the dust in the external air passing through the prefilter 68. The collector 72b which collects the collected dust using an electrostatic phenomenon, and the deodorization filter 72c for deodorizing odor components, such as a bad smell which were not removed by the said collector 72b, are comprised. In addition, at one end of the filter assembly 72, a mounting handle 72 ′ is provided to protrude upward (in FIG. 8B) to facilitate attachment and detachment of the filter assembly 72.

The mount filter 74 has the filter assembly 72 seated therein. At one end thereof, a hooking protrusion 74 'is formed at one end of the filter assembly 72 to be fixed. A compression spring 74 ″ is provided to facilitate removal of the assembly 72.

Therefore, the right end of the filter assembly 72 as shown in FIG. 8B is inserted into the engaging protrusion 74 'formed at the right end of the mount filter 74, and then the left end is closely contacted downward. The filter assembly 72 is mounted to the mount filter 74. Then, when separating, the left end is removed by pulling up the mounting knob 72 'formed at the left end of the filter assembly 72 to the right side, and the right end is subsequently removed from the locking projection 74' by separating. do.

The mounting frame 76 is formed in a substantially rectangular shape to have a width corresponding to the distance between the support frame 61 and the side guide 64, the mount is fixed to both ends of the mount filter 74 therein Fixing portions 76 'are formed on both sides. On the other hand, one side of the mount fixing portion 76 ′ is further provided with a voltage transformer 78 for supplying power to the filter assembly 72.

As described above, both ends of the mount filter 74 are fixed to the mount fixing part 76 'of the mounting frame 76 by screws, and the mounting frame 76 is supported by the upper support frame ( 61) and the filter support portion (63, 66) of the right side guide 64 is drawn in and out.

The left rear end of the main body case 50 is provided with an indoor air outlet 56 for discharging the indoor air to the outside, the outlet 56 is an outlet mounting hole (not shown) formed in the main body case 50 Is inserted and fixed). In addition, an exhaust fan housing 58 is formed inside the outlet mounting hole to guide the indoor air forcedly blown by the exhaust fan 80 to the indoor air outlet 56.

An indoor air exhaust fan 80 is provided inside the exhaust fan housing 58. The exhaust fan 80 serves to forcibly blow the air sucked through the indoor air intake port 88 to be described below to the discharge port 56. Preferably, the exhaust fan 80 is configured as a siroco fan.

An external air outlet 82 is formed at the right end of the main body case 50, that is, on the side opposite to the position at which the external air inlet 52 is installed. The outlet 82 is inserted into the outlet mounting hole 84 formed on the right side of the main body case 50 and is installed to protrude in a right direction from the right side of the main body case 50 to the right side. In addition, an air supply fan housing 86 is formed in the air outlet mounting hole 84 to guide external air forcedly blown from the air supply fan 96 to the air outlet 82 to be described below.

An indoor air suction port 88 is provided at the right rear end of the main body case 50, that is, the opposite side to the position where the indoor air discharge port 56 is installed. The indoor air inlet 88 is installed to protrude from the right side of the main body case 50 to the right side, and is fixed to the circular indoor inlet mounting hole 90 formed at the rear end of the right side of the main body case 50. do. In addition, a right suction duct 92 is formed inside the indoor suction hole mounting hole 90 to guide the air sucked from the indoor air suction hole 88 to the heat exchanger 60.

On the other hand, a damper 94 is provided inside the right suction duct 92 to selectively flow the indoor air sucked through the indoor air suction port 88 to the heat exchanger 60. That is, the damper 94 opens and closes the right suction duct 92 under the control of the control box 100 to be described below. Therefore, if the damper 94 shields the right suction duct 92, the indoor air sucked through the indoor air intake port 88 does not pass through the heat exchanger 60, and the indoor air outlet 56 Is discharged to the outside through).

An air supply fan 96 is installed inside the external air outlet 82 to force external air to the external air outlet 82. Therefore, the outside air sucked through the outside air inlet 52 is discharged into the room through the outside air outlet 82 by the air supply fan 96.

The control box 100 is installed at the right end of the main body case 50. A control unit is formed inside the control box 100 to control the operating conditions of the ventilation system. That is, the power is interrupted to turn on / off the ventilation system, and the fan speed is controlled by controlling the fan rotation speed of the air supply fan 96 and the exhaust fan 80. On the other hand, by controlling the driver (not shown) of the damper 94 controls the ventilation method and the like to enable the selection of the total heat exchange mode or normal ventilation mode.

On the front of the main body case 50 is installed a ceiling fixture 102 to allow the ventilation system is installed on the ceiling of the house. In addition, a check hole 104 is formed at the front center portion of the main body case 50. An inspection door 106 is provided on the front surface of the inspection opening 104 to selectively open and close the inspection opening 104. Therefore, when it is necessary to replace or check the heat exchanger 60, the inspection door 106 is opened and the heat exchanger 60 can be taken out to work.

On the other hand, the front mounting hole 108 is further formed on the front left side of the ventilation system as described above. When the ventilation system as described above is equipped with the front mounting hole 108, when the inflow passage of the air needs to be forwarded due to the structure of the building, the front air inlet 52 is not installed on the left side of the front surface. It is formed to be mounted to the mounting hole (108). In addition, the front mounting hole 108 is provided with a blocking plate 108 'to block the flow of air when not in use, thereby shielding the front mounting hole 108.

Hereinafter, a state in which air outside the room flows through the ventilation system according to the present invention having the configuration as described above will be described with reference to FIGS. 9 and 10.

9 shows a state of air flow through the ventilation system when the electrothermal ventilation mode is activated. This electrothermal ventilation mode is generally used when there is a large difference in temperature and humidity between indoors and outdoors, such as summer or winter.

Referring to the ventilation state as shown in the drawing, the damper 94 opens the right suction duct 92 according to a control command in the control box 100 according to the user's selection of the heat transfer ventilation mode.

In addition, according to the operation of the air supply fan 96, external air is sucked into the ventilation system through the external air inlet 52, and the external air is transferred through the lower left surface of the heat exchanger 60. It is sucked into the exchanger 60. At this time, since the external air passes through the pre-filter 68 mounted on the lower left side of the heat exchanger (60), foreign matter in the air is first filtered and then sucked into the heat exchanger (60).

The air sucked into the heat exchanger (60) exchanges heat and moisture from the discharged indoor air and then is discharged through the upper right side of the heat exchanger (60). At this time, since the high-performance filter 70 is installed on the upper right side of the total heat exchanger 60, foreign matters of the air passing through the total heat exchanger 60 are filtered again, resulting in cleaner air.

Air passing through the total heat exchanger (60) and the high performance filter (70) is forcibly blown by the air supply fan (96) through an external air outlet (82) installed on the right side of the main body case (50). It is discharged to the room.

On the other hand, the indoor air is exhausted to the outside by the operation of the exhaust fan 80, the indoor air is sucked into the ventilation system through the indoor air intake port 88 and then the lower right side of the heat exchanger (60). It is sucked into the total heat exchanger (60) through.

At this time, since the pre-filter 68 is mounted on the lower right side of the heat exchanger 60, foreign matter in the indoor air is filtered out. Therefore, since the clean air is sucked into the heat exchanger (60), the heat exchanger (60) is protected and its life is extended more.

The indoor air sucked into the heat exchanger (60) exchanges heat and moisture to outside air sucked from the outside, and then exits through the lower left side of the heat exchanger (60). The indoor air exiting the heat exchanger (60) is forcedly blown by the exhaust fan (80) and exhausted to the outside through the indoor air outlet (56) provided at the rear end of the left side of the main body case (50). .

Next, an air flow state in the general ventilation mode will be described with reference to FIG. 10. In the general ventilation mode, when indoor and outdoor temperature and humidity differences are small, such as spring or autumn, indoor air is bypassed by the heat exchanger 60 and bypassed immediately.

Therefore, when the user selects the general ventilation mode, the damper 94 shields the right suction duct 92 according to a control command inside the control box 100. In this case, the air sucked through the indoor air inlet 88 is discharged to the outside directly through the indoor air outlet 56 without passing through the heat exchanger 60.

On the other hand, when looking at the flow of the outside air, according to the operation of the air supply fan 96, the outside air is sucked into the ventilation system through the outside air inlet 52, the outside air is the heat exchanger (60) It is sucked into the total heat exchanger (60) through the lower left side of the. At this time, since the external air passes through the pre-filter 68 mounted on the lower left side of the heat exchanger (60), foreign matter in the air is first filtered and then sucked into the heat exchanger (60).

Since the air sucked into the heat exchanger (60) does not pass through the heat exchanger (60), the discharged indoor air is discharged through the upper right side of the heat exchanger (60) without exchanging heat and moisture. At this time, since the high-performance filter 70 is installed on the upper right side of the total heat exchanger 60, foreign matters of the air passing through the total heat exchanger 60 are filtered again, resulting in cleaner air.

Air passing through the total heat exchanger (60) and the high performance filter (70) is forcibly blown by the air supply fan (96) through an external air outlet (82) installed on the right side of the main body case (50). It is discharged to the room.

As described above, in the general ventilation mode, unlike in the case of the total heat ventilation mode, heat and moisture are not exchanged inside the heat exchanger 60.

On the other hand, look at the process of installing and checking the heat exchanger 60 according to the present invention, the heat exchanger 60 is supported by the support frame 61, so if you want to install it from the front of the ventilation system When pushed backward, the four corners of the total heat exchanger (60) are mounted by sliding backward in the state inserted into the support frame (61).

In addition, since the support frame 61 and the side guide 64 are formed with filter support parts 63 and 66 on which the prefilter 68 and the high performance filter 70 are mounted, such filter support parts 63 and 66 are provided. The pre-filter 68 and the high-performance filter 70 is inserted through the front end of the) and slide backward.

Of course, the support frame 61 is first installed in the main body case 50, and then the support frame 61 in addition to the method of fastening the electrothermal exchanger 60 or the prefilter 68 and the high performance filter 70, respectively. And the heat exchanger 60, the prefilter 68, and the high performance filter 70 are inserted into the main body case 50.

As described above, after the heat exchanger 60, the prefilter 68, and the high performance filter 70 are installed, the inspection door 106 is mounted to shield the inspection opening 104.

Next, when the inspection or replacement of the total heat exchanger 60, the prefilter 68, or the high performance filter 70 installed by the above process is necessary, the inspection door 106 is opened to open the inspection opening 104. Next, the total heat exchanger 60, the prefilter 68 or the high performance filter 70 are taken out forward. At this time, when the handle 69 installed in the heat exchanger 60 is pulled forward, the top and bottom ends of the heat exchanger 60 is slid from the support frame 61 and the heat exchanger 60 is pulled forward.

The scope of the present invention is not limited to the above-exemplified embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

That is, the ventilation system as described above may be installed in conjunction with an air conditioner in addition to being installed alone, or may be installed to enable ventilation of multiple spaces simultaneously with one ventilation system.

According to the ventilation system as described above, the outside air is supplied to the room as clean air through the heat exchanger, the pre-filter and the high-performance filter, so that comfortable air can be contacted indoors.

In addition, since not only heat but also heat is exchanged by the total heat exchange, when the heat recovery is calculated, the energy effect is about three times that of the sensible heat exchange. That is, by recovering and reusing the heat and moisture of the indoor air discharged from the room, it is possible to maintain the optimal temperature and humidity of the room at low energy to reduce the cost of heating and cooling.

In addition, according to the present invention, the support frame for supporting the total heat exchanger of the ventilation system is integrally formed with a filter support for supporting the pre-filter and the high-performance filter and sliding forward and backward.

Therefore, the pre-filter and the high-performance filter can be easily installed and separated, and the pre-heat exchanger and the pre-filter and the high-performance filter can be installed and disassembled regardless of the assembly order. It is also possible to insert the body case in the state mounted on the frame has the advantage that the work efficiency is improved.

In addition, since the pre-filter is inserted and mounted to the filter support formed in the support frame, the pre-filter is in close contact with the side of the total heat exchanger has the advantage that the vibration does not occur even during the operation of the ventilation system. That is, the noise due to the tremor of the prefilter is prevented.

Claims (7)

An external air inlet formed on one side of the main body case and serving as an inlet for intake of external air; An external air supply fan for forcibly blowing the air sucked from the external air inlet into the room; An external air outlet formed at one side of the external air inlet and serving as an outlet through which air blown by the air supply fan is blown into the room; An indoor air suction port formed at one side of the main body case and serving as an inlet for sucking indoor air; An indoor air exhaust fan that blows air that has passed through the indoor air inlet to the outside; An indoor air outlet formed on one side of the main body case and serving as an outlet through which the indoor air is discharged to the outside; An electrothermal heat exchanger configured to allow the external air sucked from the external air intake port and the air sucked from the indoor air intake port to exchange heat with each other; A prefilter installed on one side of the total heat exchanger to filter foreign matter mixed in air; A heat exchanger support frame provided outside the heat exchanger and supporting the heat exchanger; And the prefilter is mounted on the total heat exchanger support frame. According to claim 1, Ventilation system, characterized in that one side of the heat exchanger support frame is further provided with a high-performance filter for cleaning the air. The method of claim 2, wherein the support frame, An element support part which contacts the outer surface of the total heat exchanger and supports the total heat exchanger; Protruding from the element support portion is integrally formed, comprising a filter support for supporting the pre-filter or high-performance filter. The ventilation system according to any one of claims 1 to 3, wherein the prefilter or the high performance filter is detached by sliding back and forth along the support frame. The ventilation system according to any one of claims 1 to 3, wherein a side guide for supporting the pre-heat exchanger, the pre-filter and the high-performance filter is further provided at the side end of the pre-heat exchanger. The method of claim 5, wherein the side guide, An element support part which contacts the side end of the heat exchanger and supports the heat exchanger and guides forward and backward sliding; Protruding from the element support portion is integrally formed, characterized in that it comprises a filter support for supporting the pre-filter or high-performance filter and guides forward and backward movement. The method of claim 2, wherein the high performance filter, An ionizer for charging dust in the outside air, a collector for collecting the charged dust from the ionizer using an electrostatic phenomenon, and a deodorizing filter for deodorizing odorous components such as odors that could not be removed from the collector. A filter assembly having a constitution; A mount filter to which the filter assembly is mounted; The mount filter is fixed, the ventilation system characterized in that it comprises a mounting frame which is seated on the support frame and slides back and forth.