KR102522849B1 - Ventilator - Google Patents

Abstract

The present invention relates to a window frame-mounted ventilator, and is a total heat exchange unit formed in a rectangular shape so that air introduced through a first direction and air introduced through a direction orthogonal to the first direction can exchange heat without mutual mixing. And, first and second partitioned spaces are formed to ventilate the total heat exchange unit that is mounted on the window frame and is partitioned along the first direction with respect to the total heat exchange unit and opposed to the total heat exchange unit, and both sides of the total heat exchange unit along the second direction A heat transfer space having third and fourth partitioned spaces that are each partitioned and ventilated with the total heat exchange unit, a bet discharge guide space formed in communication with the first partitioned space and having a bet discharge port, and a second partitioned space, An outside air inflow guide space formed to be in communication and formed with an outside air inlet, an outside air inlet guide space formed to communicate with the third compartment space and formed with an outside air inlet, and an outdoor air discharge guide space formed to communicate with the fourth compartment space and formed with an outside air outlet a housing formed thereon, a first blowing fan installed in the outside air discharge guide space, a second blowing fan installed in the outside air discharge guide space, and an outside air inflow control damper installed in the outside air inlet guide space to open and close the outside air inlet. According to such a window frame-mounted ventilation device, it can be used by being installed on a window frame, it is easy to replace a filter, and it provides the advantages of being able to stably open and close the outdoor air inlet even in strong draft.

Description

Window frame-mounted ventilator {Ventilator}

The present invention relates to a ventilation device, and more particularly, to a window frame-mounted ventilation device that is mounted on a window frame and supports ventilation by a total heat exchange method.

In general, a ventilation system discharges indoor air to the outdoors to ventilate indoor air during cooling or heating of buildings or houses such as schools, airports, hospitals, etc. It is used to save energy by recovering heat from indoor air and transferring it to outdoor air flowing into the room.

As disclosed in Korean Patent Laid-open Publication No. 2003-0063845, the ventilation system includes a total heat exchange element installed at a point where an outdoor air intake flow path and an indoor air discharge flow path intersect to allow heat exchange between outdoor air and indoor air; A suction fan installed on the suction flow path and an exhaust fan installed on the exhaust flow path are provided. In this conventional ventilation system, when the intake fan and the exhaust fan rotate, outdoor air is introduced into the room through the intake passage and the indoor air is exhausted to the outdoors, and heat exchange is performed between the exhausted indoor air and the incoming outdoor air. The temperature of the indoor air is maintained.

On the other hand, the above-described ventilation device is a structure that is mostly reflected in the design of the building during construction, and recently, a structure that can be easily installed in an existing building is required.

In addition, in the case of a damper that opens and closes an outside air inlet to provide a suction flow path for outdoor air, a structure capable of maintaining a closed state even in a strong draft such as a typhoon and smoothly supporting opening is required.

The present invention has been devised to solve the above requirements, and provides a window frame-mounted ventilation device that can be mounted on a window frame to perform ventilation and can stably open and close an outdoor air inlet even in strong drafts. there is

In order to achieve the above object, the window frame-mounted ventilation device according to the present invention allows heat exchange to occur without mixing air introduced through a first direction and air introduced through a direction orthogonal to the first direction. A total heat exchange unit formed in the form of; It is mounted on a window frame, the total heat exchange unit is mounted in the center, and the total heat exchange unit is partitioned on both sides of the total heat exchange unit along the first direction with respect to the total heat exchange unit so that ventilation is made with the total heat exchange unit facing each other. A second compartment space is formed, and a heat transfer space having third and fourth compartment spaces so that ventilation is achieved with the total heat exchange unit that is divided and opposed to each side of the total heat exchange unit along the second direction, and the transfer heat A bet discharge guide space formed in communication with the first compartment space of the space and formed with a bet outlet, a bet inlet guide space formed in communication with the second compartment space and formed with a bet inlet, and communicated with the third compartment space. a housing formed with an outdoor air inlet guide space having an outdoor air inlet and an outdoor air discharge guide space formed in communication with the fourth compartment space and having an outdoor air outlet; a first blowing fan installed in the bet discharge guide space and discharging the introduced air through the bet outlet; a second blowing fan installed in the outdoor air discharge guide space and discharging the introduced air through the outdoor air outlet; and an outdoor air inflow control damper installed in the outdoor air inflow guide space to open and close the outdoor air inlet.

Preferably, a portion exposed to the interior is provided with a handle so that entry and exit is possible across the inlet guide space and the outdoor air inlet guide space, and the air introduced through the outdoor air inlet is filtered to allow outdoor air into the third compartment space. A filter unit equipped with a filter for inflowing; is further provided.

In addition, the filter unit is formed to be able to flow in and out across the indoor air inlet guide space and the outdoor air inlet guide space, and includes a filter body equipped with the filter, and the filter body is configured to introduce the outdoor air from the indoor air inlet guide space. A central partition plate extending upward to partition the inlet guide space and the outdoor air inlet guide space from the center of a bottom surface having a length transverse to the guide space, and extending upward from one end of the bottom surface of the filter body to divide the inlet guide space into the outer air guide space. A first diaphragm closed to the inlet guide space and provided with the handle, a contact plate extending upward from the other end of the bottom surface of the filter body and in close contact with the wall of the outdoor air inlet guide space, and spaced apart from each other at both edges of the upper end of the contact plate is formed to have a structure having first and second upper edge bars extending toward the central partition plate and third upper edge bars extending from one edge of the upper end of the first partition plate toward the central partition plate, 2 An outside air inflow communication port communicating with the third compartment space is formed between the upper rim bar and the bottom surface of the filter body, and a bet inflow communication port communicating with the fourth compartment space is formed between the third upper rim bar and the bottom surface. A sphere is formed, and the filter is installed between the first and second upper rim bars and the bottom surface of the filter body.

In addition, the outside air inflow control damper includes a plate-shaped opening and closing plate capable of opening and closing the outside air inlet by rotation of a rotating shaft; a first stopper mounted to block rotation of the plate-shaped opening and closing plate in a first rotational direction while blocking rotation due to draft in a state where the plate-shaped opening and closing plate is disposed to block the outside air inlet; The plate-type opening and closing plate advances and retreats to the interference or interference canceling position of the plate-type opening and closing plate to block or allow rotation in the second rotational direction opposite to the first rotational direction of the plate-type opening and closing plate at the opposite side of the first stopper around the rotation axis a second stopper; and a forward and backward driving unit for advancing and retreating the second stopper.

More preferably, the advance and retreat drive unit includes a motor for rotationally driving the rotation shaft; an advancing and retracting interference body concentrically formed with the rotating shaft, extending spirally along a direction inclined with respect to the rotating shaft, and having a spiral groove drawn inward; The interference vertical rod part extending in the direction perpendicular to the rotation axis in the spiral groove so that the forward and backward rotation of the rotation shaft can interfere with the advance and retreat interference body, and the interference vertical rod portion at the upper end of the interference vertical rod portion and a first bent portion extending in a direction orthogonal to the extending direction of the rotating shaft, and an extending portion extending in a direction parallel to the rotating shaft at the terminating end of the first bent portion and having the second stopper mounted at the terminating end thereof. a guide body; a forward and backward guide pipe formed to surround the outside of the extended portion and allow the extended portion to advance and retreat; and a fixing part for fixing the advancing/retracting guide tube to the housing, wherein the interference vertical rod portion is formed to have a circular cross section, and the spiral groove of the advancing/retracting interference body forms an arcuate curved surface surrounding the interference vertical rod portion. formed to have

According to the window frame-mounted ventilator according to the present invention, it can be used by being installed on a window frame, it is easy to replace the filter, and it provides the advantages of being able to stably open and close the outdoor air inlet even in strong draft.

1 is a front view showing a state in which a ventilation device according to the present invention is mounted on a window frame;
2 is an exploded perspective view showing the ventilator of FIG. 1 in a separated state;
FIG. 3 is a view showing a state in which the filter unit is withdrawn to explain the attachment/detachment method of the filter unit of FIG. 2;
4 is a perspective view showing a filter body of the filter unit of FIG. 3 taken out;
5 is a perspective view illustrating an extract of the outside air inflow control damper of FIG. 2;
6 is a perspective view of the outside air inflow control damper of FIG. 5 from another angle;
7 is a plan view of the outdoor air inflow control damper of FIG. 5 .

Hereinafter, a window frame-mounted ventilation device according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a front view showing a state in which a ventilator according to the present invention is mounted on a window frame, and FIG. 2 is an exploded perspective view showing the ventilator of FIG. 1 in a separated state.

Referring to FIGS. 1 and 2 , the ventilation device 100 according to the present invention is mounted on a window frame 10 .

The ventilation device 100 is installed on a horizontally extending portion of the window frame 10.

The ventilator 100 includes a housing 110, a total heat exchange unit 120, a first blowing fan 141, a second blowing fan 142, a filter unit 150, and an outside air intake control damper 170. .

The housing 110 is mounted on the window frame 10 and is formed in the form of a rectangular enclosure, and serves as a cover covering the main housing 110a and the main housing 110b. It is preferable to apply the housing 110 formed to have a wider width than the thickness of the window frame 10.

The main housing 110a is formed to have an inner space by a rim wall extending upward from the edge of the bottom surface 111, and the total heat exchange unit 120 is mounted in a diagonal direction in the center of the inner space. The inner space of the main housing 110a is partitioned into a plurality of mutually, and if they are divided, the total heat exchange unit 120 is mounted in the center and the first to fourth compartments separated from each other by the total heat exchange unit 120 ( 112a to 112d), a heat transfer space 112 formed in communication with the first compartment space 112a of the heat transfer space 112, and a discharge guide space 114 formed with a discharge port 114a, and a second An outside air inflow guide space 116 formed in communication with the compartment space 112b and having a bet inlet 116a, and an outside air inlet guide space formed in communication with the third compartment space 112c and formed with an outside air inlet 117a ( 117) and the fourth compartment space 112d and formed in communication with the outside air discharge port 118a is formed in the outside air discharge guide space 118 is formed.

Here, the first and second partition spaces 112a and 112b are respectively partitioned on both sides of the total heat exchange unit 120 along the X direction, which is the first direction with respect to the total heat exchange unit 120, and are opposed to the total heat exchange unit 120 ) is a space formed to allow ventilation, and the third and fourth partitioned spaces 112c and 112d are partitioned on both sides of the total heat exchange unit 120 along the y-direction, which is the second direction orthogonal to the first direction. It is a space formed to be ventilated with the total heat exchange unit 120 facing each other.

In addition, the bet outlet 114a, the bet inlet 116a, the outside air inlet 117a, and the outside air outlet 118a are formed at corresponding positions on the bottom surface 111 of the main housing 110a.

In the first to fourth compartment spaces 112a to 112d, an exhaust flow path for discharging indoor air and an intake flow path for intake of outdoor air are formed to cross each other inside, and the total heat exchange unit 120 is formed in the intersecting space. this is placed

In addition, the first and second compartment spaces 112a and 112b are mutually ventilated in the first direction X, which is the diagonal direction, by the total heat exchange unit 120 mounted opposite to the cross space. Similarly, the third and fourth compartment spaces 112c and 112d are mutually ventilated in the second direction Y, which is another diagonal direction, by the total heat exchange unit 120 mounted opposite to the cross space.

The total heat exchange unit 120 has a rectangular shape so that air introduced through the first direction (X) and air introduced through the second direction (Y) orthogonal to the first direction are not mixed and heat exchange is performed. is formed Since the structure of the total heat exchange unit 120 is known, a detailed description thereof will be omitted.

The first blowing fan 141 is installed in the bet discharge guide space 114 and discharges the introduced air through the bet outlet 114a.

The second blowing fan 142 is installed in the outside air discharge guide space 118 and discharges the introduced air through the outside air outlet 118a.

As can be seen in FIGS. 3 and 4, the filter unit 150 has a handle 152 provided in the portion exposed to the room so that it can enter and exit across the inlet guide space 116 and the outdoor air inlet guide space 117. A filter 164 is installed to filter the air introduced through the outside air inlet 117a and introduce the outside air into the third compartment 112c.

The filter body 151 of the filter unit 150 crosses the inlet guide space 116 and the outside air inlet guide space 117 to allow entry and exit from the inlet guide space 116 to the outside air inlet guide space 117. A central partition plate 151b extending upward to partition the inlet guide space 116 and the air inlet guide space 117 from the center of the bottom surface 151c of the filter body 151 having a transverse length, and the filter body (151) The first diaphragm 151c extending upward from one end of the bottom surface 151c to close the inflow guide space 116 and having a handle 152, and the bottom surface 151c of the filter body 151 The contact plate 151d extending upward from the other end and in close contact with the wall of the outdoor air inlet guide space 117, and the first and It has a structure having a second upper rim bar 151e and a third upper rim bar 151f extending from one edge of the upper end of the first diaphragm 151c toward the central partition plate 151b. In this filter body 151, an outside air inlet communication port 154 is formed between the first and second upper rim bars 151e and the bottom surface 151c, and between the third upper rim bar 151f and the bottom surface. Bet the inlet communication port 153 is formed.

In addition, a filter 164 is inserted at a position to shield the outside air intake communication port 154 so that foreign substances contained in the outside air are filtered and supplied to the third compartment space 112c. Of course, the filter may also be inserted at a position where the inlet communication port 153 is shielded.

The filter unit 150 improves convenience by supporting replacement of the filter 164 by drawing the filter body 151 in a direction separated from the housing 110 .

The outdoor air inflow control damper 170 is installed in the outdoor air inflow guide space 117 to open and close the outdoor air inlet 117a and will be described with reference to FIGS. 5 to 8 together.

The outdoor air intake control damper 170 includes a plate-shaped opening and closing plate 172, a first stopper 174, a second stopper 175, and a forward and backward driving unit 176.

The plate-shaped opening/closing plate 172 is supported by a support frame 171 mounted on the housing 110 to face the outside air inlet 117a so that the outside air inlet 117a can be opened and closed by the rotation of the rotating shaft 177a. . The support frame 171 is formed in a 'c' shape and has a structure in which an opening corresponding to the outside air inlet 117a is formed.

The first stopper 174 blocks rotation of the plate-type opening and closing plate 172 in the first rotational direction while blocking the rotation due to draft in a state in which the plate-type opening and closing plate 172 is disposed to block the outside air inlet 117a. is equipped to do so. The first stopper 174 has one end fixed to the support frame 171 and extends across the plate-shaped opening/closing plate 172 to a position where it occupies a partial area.

The second stopper 175 is plate-shaped to block or allow rotation in the second rotational direction opposite to the first rotational direction of the plate-shaped opening and closing plate 172 on the opposite side of the first stopper 174 around the rotational axis 177a. It is installed to advance and retreat by the advance and retreat drive unit 176 to the interference or interference canceling position of the opening and closing plate 172. The second stopper 175 advances from the support frame 171 to a position where it can interfere with the rotation of the plate-type opening/closing plate 172 when rotation is blocked, and is supported to a position where the plate-type opening/closing plate 172 does not interfere when rotation is allowed. It is designed to be retracted toward the frame 171.

The advance and retreat drive unit 176 advances and retreats the second stopper 175, and includes a motor 177, a forward and backward interference body 178, a forward and backward guide body 179, a forward and backward guide pipe 181, and a fixing part 183. .

The motor 177 rotationally drives the rotation shaft 177a extending from the rotation center of the plate-type opening/closing plate 172 to the outside of the support frame 171 .

The forward and backward interference body 178 is formed so that its outer diameter extends concentrically on the outside of the rotation shaft 177a extending outside the support frame 171, and extends in a spiral shape along a direction inclined with respect to the rotation shaft 177a, but is drawn inward. It has a structure having a spiral groove 178a.

The advance and retreat guide body 179 interferes with the advance and retreat interference body 178 by the normal and reverse rotation of the rotating shaft 177a and extends in a direction perpendicular to the rotating shaft 177a in the spiral groove 178a so as to advance and retreat. A portion 179a, a first bent portion 179b extending in a direction orthogonal to the extension direction of the vertical interference rod portion 179a and the rotating shaft 177a from the upper end of the vertical interference rod portion 179a, At the end of the bent part 179b, it extends in a direction parallel to the rotating shaft 177a and has a structure having an extension part 179c equipped with a second stopper 175 at the end.

The advance and retreat guide pipe 181 is formed in a hollow tube shape, surrounds the outside of the extension portion 179c and allows the extension portion 179c to advance and retreat.

The fixing part 183 is a part that fixes the advance and retreat guide pipe 181 to the housing 110 and consists of a support bar extending from the advance and retreat guide pipe 181 and a coupling plate coupled to the housing 110 at the end of the support bar. there is. The fixing part 183 has a structure for stably fixing the advance and retreat guide pipe 181, and may be formed in a different form from the illustrated example, of course.

Here, the interference vertical bar portion 179a is formed to have a circular cross section, and the spiral groove 178a of the advancing and retreating interference body 178 is formed to have an arc-shaped curved surface surrounding the interference vertical bar portion 179a.

In the closed state, the outdoor air inflow control damper 170 blocks rotation of the first and second stoppers 174 and 175 to suppress forced opening or damage due to draft.

A bet discharge control damper 170a is formed in the same structure as the outside air inflow control damper 170 and opens and closes the bet outlet 114a in the bet outlet 114a.

The control unit 190 is installed in the bet inflow guide space 116. The control unit 190 includes a sensor unit including at least one of a carbon dioxide sensor for detecting the carbon dioxide concentration of indoor air, a temperature sensor for detecting temperature, a humidity sensor for detecting humidity, and a fine dust sensor for detecting the concentration of fine dust. In accordance with the information detected by the sensor unit, the first blowing fan 141, the outside air inflow control damper 170 or the second blowing fan 142 and the control unit for controlling the operation of the discharge control damper 170a and the control unit A display unit 195 is provided to control and display display information.

In this case, heat dissipation of the movable elements constituting the control unit 190 is naturally performed in the process of discharging the bet, providing an advantage of maintaining a stable operating environment.

According to the window frame-mounted ventilation device described above, it can be used by being installed on a window frame, it is easy to replace a filter, and it provides the advantages of being able to stably open and close the outdoor air inlet even in strong draft.

110: housing 120: total heat exchange unit
141: first blowing fan 142: second blowing fan
150: filter unit 170: outside air inflow control damper

Claims (5)

a total heat exchange unit formed in a rectangular shape so that air introduced through a first direction and air introduced through a second direction orthogonal to the first direction are not mixed and heat is exchanged;
It is mounted on a window frame, the total heat exchange unit is mounted in the center, and the total heat exchange unit is partitioned on both sides of the total heat exchange unit along the first direction with respect to the total heat exchange unit so that ventilation is made with the total heat exchange unit facing each other. A second compartment space is formed, and a heat transfer space having third and fourth compartment spaces so that ventilation is achieved with the total heat exchange unit that is divided and opposed to each side of the total heat exchange unit along the second direction, and the transfer heat A bet discharge guide space formed in communication with the first compartment space of the space and formed with a bet outlet, a bet inlet guide space formed in communication with the second compartment space and formed with a bet inlet, and communicated with the third compartment space. a housing formed with an outdoor air inlet guide space formed with an outdoor air inlet and an outdoor air discharge guide space formed in communication with the fourth compartment space and with an outdoor air outlet formed therein;
a first blowing fan installed in the bet discharge guide space and discharging the introduced air through the bet outlet;
a second blowing fan installed in the outdoor air discharge guide space and discharging the introduced air through the outdoor air outlet;
An outdoor air inflow control damper installed in the outdoor air inflow guide space to open and close the outdoor air inlet;
The outside air inflow control damper
a plate-shaped opening and closing plate capable of opening and closing the outside air inlet by rotation of a rotating shaft;
a first stopper mounted to block rotation of the plate-shaped opening and closing plate in a first rotational direction while blocking rotation due to draft in a state where the plate-shaped opening and closing plate is disposed to block the outside air inlet;
The plate-type opening and closing plate advances and retreats to the interference or interference canceling position of the plate-type opening and closing plate to block or allow rotation in the second rotational direction opposite to the first rotational direction of the plate-type opening and closing plate at the opposite side of the first stopper around the rotation axis a second stopper;
A forward and backward driving unit for advancing and retreating the second stopper;
The forward and backward driving unit
a motor for rotationally driving the rotating shaft;
an advancing and retracting interference body concentrically formed with the rotating shaft, extending spirally along a direction inclined with respect to the rotating shaft, and having a spiral groove drawn inward;
The interference vertical rod part extending in the direction perpendicular to the rotation axis in the spiral groove so that the forward and backward rotation of the rotation shaft can interfere with the advance and retreat interference body, and the interference vertical rod portion at the upper end of the interference vertical rod portion and a first bent portion extending in a direction orthogonal to the extending direction of the rotating shaft, and an extending portion extending in a direction parallel to the rotating shaft at the terminating end of the first bent portion and having the second stopper mounted at the terminating end thereof. a guide body;
a forward and backward guide pipe formed to surround the outside of the extended portion and allow the extended portion to advance and retreat;
And a fixing part fixing the advance and retreat guide pipe to the housing,
The interference vertical bar portion is formed to have a circular cross section,
The window frame-mounted ventilation device, characterized in that the spiral groove of the forward and backward interference body is formed to have an arcuate curved surface surrounding the interference vertical bar portion. The method of claim 1, wherein a portion exposed to the interior of the room is provided with a handle and is formed to cross the inlet guide space and the outdoor air inlet guide space so as to be able to enter and exit the third compartment by filtering the air introduced through the outdoor air inlet. A window frame-mounted ventilation device further comprising a filter unit equipped with a filter for introducing outdoor air into the space. The method of claim 2, wherein the filter unit is formed to be able to enter and exit across the indoor air inlet guide space and the outdoor air inlet guide space, and has a filter body on which the filter is mounted,
The filter body includes a central partition plate extending upward from the center of a bottom surface having a length crossing the outside air inlet guide space from the bet inlet guide space to divide the bet inlet guide space and the outside air inlet guide space; A first diaphragm extending upward from one end of the bottom surface of the filter body to close the inlet guide space and having a handle, and extending upward from the other end of the bottom surface of the filter body to close contact with the wall of the outdoor air inlet guide space. First and second upper edge bars spaced apart from both edges of the upper part of the contact plate and the contact plate and extending toward the central partition plate, and third parts extending from one edge of the upper end of the first partition plate toward the central partition plate. It is formed in a structure having an upper rim bar, and an outside air intake communication port communicating with the third compartment space is formed between the first and second upper rim bars and the bottom surface of the filter body, and the third upper rim bar and the bottom surface A window frame-mounted ventilation device, characterized in that an inflow port communicating with the fourth compartment space is formed therebetween, and the filter is installed between the first and second upper rim bars and the bottom surface of the filter body. delete delete

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