KR101734615B1 - Automatic ventilation equipment for window and controlling method thereof - Google Patents

Abstract

The present invention can selectively perform either the natural ventilation mode or the indoor air circulation mode by changing the flow path of the inside and outside air flowing in / out, and can automatically detect whether the air in the room is polluted or not, The present invention relates to an automatic ventilation system for a window, and a control method thereof.
In order to achieve this, the present invention is characterized in that it comprises a main body portion (110) having a storage space (S) therein and an inside air inlet opening (111) and an outside air inlet opening (113) ); And a damper 121 installed in the main body 110 to be able to rotate in a forward and reverse direction so that the damper 121 can be rotated so that either the inflow inlet 111 or the outside air inlet 113 A flow path switching unit 120 for switching a flow path by selectively communicating one of the inside / outside air outlet 115 with the inside / outside air outlet 115; And an air blowing fan 131 that is operated by receiving power within the main body 110 so that the inside air or outside air introduced through the inside air inflow opening 111 or the outside air inflow opening 113 flows into the inside / (130) for discharging the water through the filter (115).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic ventilation apparatus for a window,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic ventilation device for a window, and more particularly, to a ventilation device for a window, which can selectively perform either a natural ventilation mode or an indoor air circulation mode by changing a flow path of the inside / The present invention relates to an automatic ventilation system for a window and a method of controlling the automatic ventilation system for a window.

Recently, due to the increase of indoor activity time and the concentration of buildings, the awareness of the importance of indoor environment and air quality has been raised. Especially, in a residential type where high-rise buildings are concentrated like an apartment or an office building, it is extremely difficult to open a window due to the fear that polluted air from outside flows into the room. As a result, the quality of air in the room can not be deteriorated unless a separate ventilation means is provided.

Conventionally, air purifiers have been developed and marketed for the purpose of purifying air containing various pollutants such as exhaust gas, fine dust, etc. discharged from a mechanical device such as an automobile when they enter the room. However, It is doubtful that the polluted air flowing through the windows and the like is cleaned and circulated repeatedly in the room while the fresh outside air is stopped from flowing continuously.

A window-type ventilator for solving such a problem is disclosed in Korean Patent Laid-Open Publication No. 10-2007-89001 (hereinafter referred to as Prior Art 1). The window type ventilator disclosed in the prior art document 1 is built in a longitudinal member (mullion) of a window frame, and includes a cross flow fan and a heat exchanger. The transverse fan introduces the air in the outdoor space into the indoor space through the upper part of the mullion, and discharges the air in the indoor space into the outdoor space through the lower part of the mullion. The heat exchanger accommodates a heat exchange medium such as ethylene glycol, glycerin glycol, etc. and extends along the extension direction of the mullion. The heat exchange between the incoming air and the exhausted air is achieved by the upward and downward reciprocating flow of the heat exchange medium.

Korean Patent Laid-Open Publication No. 10-2004-75686 (hereinafter referred to as Prior Art 2) also discloses a window provided with a ventilation device to solve the above-mentioned problem. The window provided with the ventilator disclosed in the prior art document 2 includes a case embedded in a transom of a window frame. A first fan for discharging the air in the outdoor space to the indoor space, a second fan for discharging the air in the outdoor space to the indoor space, And a heat exchanger for heat exchange between the air introduced into the outdoor space and the air discharged into the outdoor space. As the heat exchanger, a fin type or a type in which a plurality of plates are laminated is used.

Meanwhile, in the process of using the above-described ventilation device for windows, contaminated air from the outside may be introduced into the room, or yellow dust or fine dust may be introduced into the room. In recent years, air pollution has become more serious due to the increase of dust or fine dust, and due to the social atmosphere such as increase of respiratory diseases and public interest in health, the necessity and necessity of air purification are greatly increased .

Accordingly, there is a need to develop a ventilation system for windows that can detect the degree of air pollution in the room during use of the ventilation system for windows, and can purify the contaminated air in the room according to the sensed result and convert it into fresh air It is true.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an automatic ventilation system for a window, which is capable of changing the flow path of the inside / outside air flowing in and out through the operation of the damper, And to provide an automatic ventilation device for a window so as to enable the ventilation device to be operated.

It is another object of the present invention to provide an air conditioner that can measure the concentration of carbon dioxide present in the room air in real time and to maintain the optimum air condition by introducing outside air into the room when the measured concentration of carbon dioxide is equal to or higher than the pre- And to provide a control method for the automatic ventilation apparatus for the automobile.

In order to achieve the above object, the present invention provides an automatic ventilation device for a window, comprising: a main body having a storage space therein, an indoor air inlet and an outdoor air inlet, and an indoor / outdoor air outlet; And a damper installed to be able to rotate forward and backward by receiving power within the main body portion so that any one of the indoor air inlet and the outdoor air inlet is selectively communicated with the indoor / outdoor air outlet by the rotation operation of the damper, ; And a blowing fan having a blowing fan that is operated by receiving power within the main body and discharging the inside air or outside air introduced through the inside air inlet or outside air inlet through the inside / outside air outlet. .

In this case, the inflow inlet may include a first filter for purifying the incoming air, and a second filter for purifying the outside air introduced into the outside air inlet.

The indoor air inlet, the outdoor air inlet, and the indoor / outdoor air outlet are formed radially with the rotation center on the center axis of the storage space.

The inner air inlet and the outer air inlet are located at the same turning radius as the damper rotating around the rotation axis and are selectively opened and closed according to the rotational position of the damper. And is opened at all times.

In addition, the outer side surface of the main body portion provided with the outside air inlet port may further include a foreign matter blocking portion protruding downward so as to prevent rain, snow, and foreign matter from flowing through the outside air inlet port.

Further, the opening further includes a netting for stringing.

The air blowing unit may include a casing installed on a central axis line of the storage space and having a blowing port on the inner / A blowing fan installed inside the casing; And a motor provided at an inner side of the casing to rotate the blowing fan.

And a motor for rotating the damper is provided on the other side of the casing.

Further, the window automatic ventilating apparatus may further include a control unit for selectively controlling the flow path switching unit and the blowing unit.

The control unit may include an indoor air circulation mode in which the damper closes an outdoor air inlet port to communicate the indoor air inlet and the indoor / outdoor air outlet, and circulates the indoor air while the blower fan is operated. And a natural ventilation mode in which the damper blocks the air inflow port to communicate the outside air inflow port and the inside / outside air vent, and the outside air flows into the room side while the blowing fan is operated.

In addition, the present invention further includes a carbon dioxide measuring unit for measuring the concentration of carbon dioxide in the indoor space through the sensing sensor in real time and transmitting the measured value to the control unit.

A method for controlling an automatic ventilation device for a window includes the steps of: measuring the concentration of carbon dioxide in the room air in real time through the carbon dioxide measuring part during operation of the window automatic ventilation device; Comparing the measurement value measured by the carbon dioxide measurement unit with a preset reference value; And setting the automatic ventilation device to the natural ventilation mode when the measured value is equal to or higher than the reference value, thereby allowing the outside air to enter the room.

In this case, when the carbon dioxide measurement value measured by the carbon dioxide measuring unit is lower than a reference value, the automatic ventilation device is switched to the indoor air circulation mode.

In another aspect of the present invention, there is provided a method of controlling an automatic ventilation system for a window, comprising: determining whether an air conditioner installed in an indoor space is operated; Operating the automatic ventilation device in conjunction with the operation of the cooling / heating device; And circulating indoor air by setting the automatic ventilation device to an indoor air circulation mode.

In this case, when the carbon dioxide measurement value measured by the carbon dioxide measuring unit is equal to or greater than a predetermined reference value, the automatic ventilation apparatus is switched to the natural ventilation mode.

In addition, the control unit selectively operates the kitchen hood installed to face the automatic ventilation device in the natural ventilation mode, and allows the ventilation to be performed by discharging the indoor air to the outdoor side.

According to the present invention, by changing the flow path of the inside and outside air flowing in / out through the operation of the damper provided in the automatic ventilation device for a window, indoor air can be circulated during natural ventilation, cooling and heating .

In addition, the concentration of carbon dioxide present in the indoor air is measured in real time, and when the measured concentration of carbon dioxide is equal to or higher than the pre-input reference value, outside air is introduced into the room to maintain the optimum air condition.

1 is an internal elevational view showing an installation state of an automatic ventilation apparatus for a window according to the present invention,
Fig. 2 is a sectional view taken along the line II in Fig. 1,
3 is a sectional view taken along a line II-II in Fig. 1,
4 is a view showing a flow path switching unit and an air blowing unit according to the present invention,
FIG. 5 is an overall configuration diagram of an automatic ventilation device for a window according to the present invention;
6A and 6B are state diagrams showing a natural ventilation mode and an indoor air circulation mode according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the drawings, the same reference numerals as in the drawings denote the same elements in the drawings, unless they are indicated on other drawings.

FIG. 1 is an internal elevational view showing an installation state of an automatic ventilation system for a window according to the present invention, FIG. 2 is a sectional view taken along line I - I of FIG. 1, and FIG. 3 is a sectional view taken along line II - II of FIG.

Referring to FIGS. 1 and 2, a window automatic ventilation apparatus 100 according to a preferred embodiment of the present invention includes a main body 110, a flow path switching unit 120, and a blowing unit 130.

The configuration of the present invention will be described in detail as follows.

The main body 110 is a main body of the window automatic ventilator 100 installed in the window 10. The main body 110 is provided with a storage space S therein. The storage space S is preferably formed in a cylindrical shape so that a damper 121, which will be described later, can be rotatably formed.

In addition, an indoor air inlet port 111 communicating with the storage space S is provided on the indoor side of the main body 110, and an outdoor air inlet port 113 is provided on the outdoor side. The inside / outside air outlet 115 is provided on the upper side of the inside air inlet 111 at the inside of the main body 110 so as to be spaced apart. The air inflow inlet 111, the outside air inlet 113, and the inside / outside air outlet 115 are radially arranged around the center axis of the storage space S.

The inside air inlet 111 is provided with a first filter 111a for purifying the incoming air, and the outside air inlet 113 is provided with a second filter 113a for purifying the incoming air.

The outside air inlet 113 is provided with a foreign matter blocking part 117 to prevent foreign matter from entering into the inside by rain, snow, or wind. The foreign matter blocking portion 117 may be formed in a structure that protrudes downward on the outdoor side surface of the body portion 110 so as to face downward. In this case, it is preferable that a netting member 117a is provided in the opening.

The flow path switching unit 120 is provided with a damper 121 rotatably installed in the storage space S of the main body 110 so that the flow of the air flowing in from the outside air inlet 111 (113) to selectively communicate with the inside / outside air outlet (115) and to switch the flow path.

In this case, the damper 121 is installed to be able to rotate forward and backward by receiving the power of the motor 123, and the damper 121 is installed so that the center of rotation of the damper 121 coincides with the center axis of the storage space S. In this case, it is preferable that the motor 123 is controlled by a stepper motor or the like so as to control the damper 121 at a predetermined angle.

The inflow inlet 111 and the outside air inlet 113 are located at the same turning radius R as the damper 121 and are connected to the inflow inlet 111 and the outside air inlet 113 according to the rotational position of the damper 121, Is selectively opened and closed. The inside / outside air outlet 115 is formed at a position outside the turning radius of the damper 121 and is normally open.

Therefore, the flow path switching unit 120 having the above-described configuration allows the inside air / air outlet 115 to communicate with the inside air / air outlet 111, or to connect the outside air inlet 113 with the inside / outside air outlet 115 Lt; / RTI >

3, the blowing unit 130 includes a blowing fan 131 that receives the power of another motor 133 and is rotationally operated in the body 110, ) Or the outside air inlet (113) through the inside / outside air outlet (115).

In this case, the airflow 130 may be embedded in one side of the main body 110 to generate air toward the outside air inlet 113, The body portion 110 may be provided on the same axis as the rotation axis of the damper 121 in the space S to reduce the volume of the body portion 110 as much as possible. In the present invention, an example in which the airflow 130 is provided on the same axis as the damper 121 will be shown and described, but the present invention is not limited thereto.

4, the wind-up unit 130 is installed in correspondence with the width of the window 10 on the central axis line of the storage space S, as shown in FIG. 4, A casing 135 having an air outlet 135a at the inside / outside air outlet 115 side, a blowing fan 131 installed inside the casing, and a blowing fan 131 And a motor 133 for rotating the motor.
That is, since the air outlet 135a is formed to have a width corresponding to the width of the window 10, it is possible to provide a rich air volume during the ventilation operation, thereby enabling smooth ventilation.

In addition, a motor 123 for rotating the damper 121 may be integrally provided on the other side of the casing 135. Preferably, the damper 121 includes a pair of pivot members 121a that are rotatably mounted on both sides of the casing 135 to receive the power of the motor 123, And an opening and closing member 121b which is fixed to the inside air inlet 111 and 113 and selectively opens and closes any one of the inside and outside air inlet openings 111 and 113. [

The ventilation device 100 can be easily installed in a narrow and limited space of the windowpane 10 by integrally forming the components of the flow path switching part 120 and the airflow part 130 in the storage space S as described above And the performance of the automatic ventilation apparatus can be maintained in an optimal state.

Referring to FIG. 5, the control unit 200 controls the flow path switching unit 120 and the blowing unit 130 in the automatic window ventilator 100 having the above-described structure. The control unit 200 may set the automatic ventilation apparatus 100 to an indoor air circulation mode or a natural ventilation mode.

6A, in the natural ventilation mode, the damper 121 blocks the indoor air inlet 111 to communicate the outdoor air inlet 113 and the indoor / outdoor air outlet 115, So that the outside air flows into the indoor side.

6B, the indoor air circulation mode is a mode in which the damper 121 blocks the outside air inlet 113 to communicate the inside air inlet 111 with the inside / outside air outlet 115, So as to circulate indoor air.

5, a carbon dioxide measuring unit 140 for measuring the concentration of carbon dioxide (CO ₂ ) in the indoor space in real time through at least one sensing sensor 141 is provided on an inner side surface of the main body 110 . That is, the higher the concentration of carbon dioxide in the indoor air, the more the neural symptoms and stimulation symptoms are adversely affected, thus the importance of indoor ventilation is emerging. Accordingly, the automatic ventilation apparatus 100 according to the present invention further includes a carbon dioxide measuring unit 140, which measures the carbon dioxide contained in the room air in real time, thereby enabling accurate determination of the ventilation time.

In this case, the control unit 200 can determine whether the automatic ventilation apparatus 100 is operated by interlocking the carbon dioxide measuring unit 140. For example, the control unit 200 receives the measurement value measured through the carbon dioxide measuring unit 140, and when the measured value is equal to or greater than the pre-input reference value, the automatic ventilating apparatus 100 is operated to introduce the outside air into the room, . ≪ / RTI > At this time, the damper 121 closes the air inflow port 111 and communicates with the outside air inlet 113 and the inside / outside air outlet 115 to supply the outside air to the room. For reference, the carbon dioxide concentration should be 350-400 ppm in the natural state and not exceed 1,500 ppm in the indoor.

Now, a control method of the automatic ventilation device 100 for a window according to the present invention having the above-described structure will be described.

In one embodiment, the window automatic ventilation apparatus 100 measures the concentration of carbon dioxide in the room air in real time during the operation through the carbon dioxide measuring unit 140. In the control unit 200, the carbon dioxide measuring unit 140 measures Compare the measured value with the pre-set reference value.

In this case, when the measured value is equal to or greater than the reference value, the controller 200 sets the automatic ventilator 100 to the natural ventilation mode to allow the outside air to enter the room, thereby maintaining the optimum air quality.

Then, when the carbon dioxide measurement value measured by the carbon dioxide measuring unit 140 falls below a reference value, the controller 200 switches the automatic ventilation apparatus 100 to the indoor air circulation mode again. Therefore, smooth convection of the indoor air is achieved.

In another embodiment, the automatic window ventilator 100 according to the present invention may be operated in conjunction with the air conditioner 300 or the kitchen hood 400 separately installed in the room.

First, when the air conditioner 300 installed in the indoor space is operated, the control unit 200 operates the window automatic ventilation apparatus 100 in conjunction with the operation. At this time, the automatic ventilation device 100 sets the indoor air circulation mode so as not to decrease the efficiency of the air conditioner 300, thereby circulating indoor air to improve the cooling / heating efficiency.

In addition, the carbon dioxide measuring unit 140 provided in the automatic ventilation apparatus 100 measures the concentration of carbon dioxide contained in the indoor air in real time. If the measured carbon dioxide value is equal to or greater than a predetermined reference value, To the natural ventilation mode to introduce the outside air into the room.

Then, when the carbon dioxide measurement value measured by the carbon dioxide measuring unit 140 falls below a reference value, the controller 200 switches the automatic ventilation apparatus 100 to the indoor air circulation mode again.

Preferably, in the natural ventilation mode, the control unit 200 selectively operates the kitchen hood 400 installed opposite to the automatic ventilation device to discharge the indoor air to the outdoor side, thereby controlling the indoor air to be ventilated can do.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

10: Thunder 100: Automatic ventilation system for windows
110: main body 111: air inlet
111a: first filter 113: outside air inlet
113a: second filter 115: inner / outer air outlet
117: Foreign matter blocking portion 117a: Clasp for foreign matter trimming
120: flow path switching unit 121: damper
121a: turning member 121b: opening / closing member
123, 133: motor 130:
131: blower fan 135: casing
135a: blowing port 140: carbon dioxide measuring section
141: Detection sensor 200:
300: Air conditioner 400: Kitchen hood

Claims (16)

The inside air inlet 115 and the outside air inlet 113 and the inside / outside air outlet 115 provided at the inside of the room are provided on the central axis line of the receiving space S as a rotational center, A main body 110 formed of a metal material;
And a damper 121 installed in the main body 110 to be able to rotate in a forward and reverse direction so that the damper 121 can be rotated so that either the inflow inlet 111 or the outside air inlet 113 A flow path switching unit 120 for switching a flow path by selectively communicating one of the inside / outside air outlet 115 with the inside / outside air outlet 115; And
And a blowing fan 131 which is operated by receiving power within the main body 110. The blowing fan 131 blows the inside air or outside air introduced through the inside air inflow opening 111 or the outside air inflow opening 113 into the inside / 115) through which the air is introduced,
The inside air inflow opening 111 and the outside air inflow opening 113 are located at the same turning radius R as the damper 121 and are selectively opened and closed according to the rotational position of the damper 121, (115) is formed at a position deviating from the turning radius (R) of the damper (121)
The blowing unit 130 includes a casing 135 provided on the central axis line of the storage space S and corresponding to the width of the window 10 and having a blowing port 135a on the inside / ; A blowing fan 131 installed inside the casing 135; And a motor 133 provided at one side of the inside of the casing 135 to rotate the blowing fan 131,
The damper 121 includes a pair of revolving members 121a that are installed on both sides of the casing 135 and are rotatably installed to receive the power of the motor 123; And an opening and closing member 121b which is fixed to an end of the pivot member 121a and selectively opens and closes any one of the outside air inlet ports 111 and 113. [ Device.
The method according to claim 1,
The inside air inlet 111 is provided with a first filter 111a for purifying the incoming air,
Wherein the outside air inlet (113) is further provided with a second filter (113a) for purifying the incoming outside air.
delete delete The method according to claim 1,
On the outside side surface of the main body 110 having the outside air inlet 113,
And a foreign matter shielding part (117) protruding downward so as to prevent rain, snow and foreign matter from flowing through the outside air inlet (113).
6. The method of claim 5,
In the opening,
And a netting member (117a) for filtering foreign matter.
delete The method according to claim 1,
The motor (123)
Is installed on the other side of the inside of the casing (135).
The method according to any one of claims 1, 2, 5, 6, and 8,
Wherein the automatic window ventilation device comprises:
And a control unit (200) for selectively controlling the flow path switching unit (120) and the blowing unit (130).
10. The method of claim 9,
The control unit (200)
The damper 121 blocks the outside air inlet 113 and communicates the inside air inlet 111 with the inside / outside air outlet 115, and operates the air blowing fan 131 to circulate indoor air Circulation mode; And
The damper 121 blocks the air inflow port 111 to communicate the outside air inlet 113 and the inside / outside air outlet 115, and at the same time, operates the blowing fan 131 to introduce the outside air into the room Wherein the ventilation mode is a ventilation mode.
11. The method of claim 10,
On the inner side surface of the main body 110,
And a carbon dioxide measuring unit 140 for measuring the concentration of carbon dioxide in the indoor space through the sensing sensor 141 in real time and transmitting the measured value to the control unit.
Measuring the concentration of carbon dioxide in the room air in real time through the carbon dioxide measuring unit (140) in operation of the automatic window ventilation apparatus according to claim 11;
Comparing the measurement value measured by the carbon dioxide measurement unit 140 with a pre-set reference value; And
And setting the automatic ventilation mode to a natural ventilation mode when the measured value is equal to or greater than a reference value to allow the outside air to flow into the room.
13. The method of claim 12,
Wherein the automatic ventilation system is switched to the indoor air circulation mode when the carbon dioxide measurement value measured by the carbon dioxide measurement unit (140) falls below a reference value.
Determining whether the air conditioner 300 installed in the indoor space is operated;
Operating the automatic ventilator according to claim 11 in conjunction with the determination of the operation of the cooling / heating device (300); And
And setting the automatic ventilation device to an indoor air circulation mode so as to circulate the indoor air.
15. The method of claim 14,
Wherein the automatic ventilation mode is switched to a natural ventilation mode when the carbon dioxide measurement value measured by the carbon dioxide measurement unit (140) is equal to or greater than a predetermined reference value.
15. The method of claim 14,
The control unit (200)
Wherein the automatic ventilation device is configured to selectively operate the kitchen hood (400) installed opposite to the automatic ventilation device in the natural ventilation mode to discharge the indoor air to the outdoor side so that ventilation can be performed in the indoor space Control method.

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