KR102271130B1 - A system for managing the heat-recovery ventilator with electric dust filter - Google Patents

Abstract

The present invention senses the filter replacement cycle or timing for a plurality of electrostatic precipitation ventilation devices distributed and installed in a plurality of buildings or houses and replaces them in a timely manner, and remote control of the plurality of ventilation devices is possible An electrostatic precipitation ventilation system management system according to the present invention comprises: a ventilation device installed in a building or house to ventilate air inside the building or house, and to purify the air in an electrostatic precipitation method; a sensor unit installed inside the ventilation device and measuring a concentration of fine dust in air introduced into the ventilation device and a concentration value of fine dust in exhaust air; an alarm generating unit installed in the ventilation device and generating a filter replacement alarm when a difference between the fine dust concentration values measured by the sensor unit is greater than or equal to a set value; a communication unit installed in the ventilation device and transmitting a filter replacement alarm generated by the alarm generating unit in a wired or wireless communication method; and a management server that is installed to be spaced apart from the ventilation device, communicates with the ventilation device by the communication unit, and controls the ventilation device.

Description

ELECTRIC DUST FILTER {A SYSTEM FOR MANAGING THE HEAT-RECOVERY VENTILATOR WITH ELECTRIC DUST FILTER}

The present invention relates to a ventilation device management system, and more particularly, for a plurality of electrostatic precipitation ventilation devices distributed and installed in a plurality of buildings or houses, the filter replacement period or time is sensed and replaced in a timely manner, It relates to an electrostatic precipitation type ventilation system management system capable of remote control of the plurality of ventilation devices.

Recently, since modern people spend most of their time indoors, such as public buildings, underground facilities, and offices, interest in indoor air quality is increasing in consideration of the effects of indoor air on the human body. And the main factors that pollute indoor air quality are particulate matter such as fine dust, asbestos, and earth dust, and gaseous chemicals such as formaldehyde and volatile organic compounds are known. And among them, fine dust and volatile organic compounds adversely affect health when exposed to the human body.

As a method for removing such contaminants, conventionally, a method of exchanging indoor air with external air has been mainly used as a method of natural ventilation or mechanical ventilation through an air conditioning system. And as a dust collector using an air conditioning system, Korean Patent Publication No. 10-2015-0050851 (“Filter for air conditioning” and Korean Patent Application Laid-Open No. 10-2015-0014820 (“Air conditioner with air purification module”, etc.) This is disclosed.

However, the air conditioner using the HEPA filter has a problem in that the filter must be replaced periodically in a very short period, and a lot of wind pressure is applied to the filtering, so that energy consumption is large.

The technical problem to be solved by the present invention is to sense and timely replace the filter replacement period or time for a plurality of electrostatic precipitation ventilation devices distributed and installed in a plurality of buildings or houses, and the plurality of ventilation devices It is to provide an electrostatic precipitation ventilation system management system capable of remote control.

An electrostatic precipitation type ventilation system management system according to the present invention for solving the above-mentioned technical problem, the ventilation device installed in a building or house to ventilate the air inside the building or house, and to purify the air by the electric dust collection method; a sensor unit installed inside the ventilation device and measuring a concentration of fine dust in air introduced into the ventilation device and a concentration value of fine dust in exhaust air; an alarm generating unit installed in the ventilation device and generating a filter replacement alarm when a difference between the fine dust concentration values measured by the sensor unit is greater than or equal to a set value; a communication unit installed in the ventilation device and transmitting a filter replacement alarm generated by the alarm generating unit in a wired or wireless communication method; and a management server that is installed to be spaced apart from the ventilation device, communicates with the ventilation device by the communication unit, and controls the ventilation device.

And the ventilation device in the present invention, the body having a constant internal space; a first air moving unit for moving air introduced from the outside from one side of the main body to the other side; a second air moving unit for moving indoor air to the outside in a direction crossing the first air moving unit; a total heat exchange unit installed in the main body and exchanging heat between air moving the first air moving unit and air moving the second air moving unit; a first air purification unit installed at the inlet side of the first air moving unit and configured to remove fine dust and bacteria from the air introduced into the body by an electrostatic precipitation method; a second air purification unit installed at the outlet side inlet of the second air moving unit and configured to remove fine dust and bacteria from the internal air that has passed through the total heat exchange unit in an electrostatic precipitation method; It is preferable to include an air circulation unit installed between the total heat exchange unit and the side wall of the main body, and sending the air passing through the second air purification unit to an outlet direction of the first air moving unit.

In addition, in the present invention, the sensor unit, the first sensor installed on the inlet side of the first air moving unit, for measuring the concentration of fine dust in the moving air; a second sensor installed at the outlet side of the first air moving unit and measuring the concentration of fine dust in the moving air; It is preferable to include; a third sensor installed on the inlet side of the second air moving unit and measuring the concentration of fine dust in the moving air.

In addition, in the ventilation system management system according to the present invention, it is installed at the inlet on the discharge side of the first air moving unit, and removes fine dust and bacteria from the air that has passed through the total heat exchange unit in an electrostatic precipitation method, but the first air purification unit It is preferable that a preliminary air purifying unit that is preliminarily operated only when the operation is stopped is further provided.

In addition, in the ventilation system management system according to the present invention, power is not applied to the second air purifying unit while the indoor air is discharged to the outside, and when the indoor air is circulated back to the inside, power is supplied to the second air purifying unit. It is preferable that a control unit for controlling to apply the purifying function is further provided.

In addition, in the present invention, when power is applied to the second air purification unit, the control unit may open the air circulation unit and block the outlet of the second air moving unit.

In addition, in the present invention, the alarm generating unit generates a filter replacement alarm when a difference between the measured values of the first sensor and the second sensor is out of a certain range or when the difference between the measured values of the third sensor and the second sensor is out of a certain range. It is preferable to do

In addition, in the present invention, the management server, when a filter replacement alarm is generated by the alarm generating unit, it is preferable to further include an alarm transmission module that transmits it to the filter replacement team closest to the ventilator in which the filter replacement alarm is generated. .

According to the ventilation system management system of the present invention, energy consumption is low because the wind pressure applied to the filtering is small, and energy efficiency is increased because the energy of the external air and the internal air is recovered using the total heat exchanger, and harmful substances in the external air including fine dust There is an advantage in that it can effectively manage a plurality of electrostatic precipitation ventilation devices that can perform ventilation in a state in which all of the vents are removed.

In addition, in the present invention, it is possible to perform filter replacement in a timely manner for a plurality of ventilation devices, and to operate the air purifier in advance to maintain comfortable indoor air quality at all times, and simple control operation for indoor air exhaust mode and circulation mode It also has the advantage of being able to circulate indoor air with a large capacity.

1 is a conceptual diagram illustrating the configuration of a ventilation system management system according to an embodiment of the present invention.
2 is a perspective view illustrating a shape of a ventilation device according to an embodiment of the present invention.
3 is a cross-sectional view showing the structure of a ventilation device according to an embodiment of the present invention.
4 is a diagram illustrating a configuration of a first air purification unit according to an embodiment of the present invention.
5 is a diagram illustrating a configuration of an electrostatic spraying unit according to an embodiment of the present invention.
6 is a diagram illustrating the configuration of a total heat exchanger according to an embodiment of the present invention.
7 is a view showing an operating state of the indoor air exhaust mode in the ventilation device of the present invention.
8 is a view showing an operating state of the indoor air circulation mode in the ventilation device of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1 , the ventilation device management system 1 according to the present embodiment includes a ventilation device 100 , a sensor unit 200 , an alarm generator 300 , a communication unit 410 , and a management server 500 . ) is included.

First, as shown in FIG. 1 , the ventilation device 100 is installed in a building 3 or house 2 to ventilate the air inside the building or house, and is a component that purifies the air by an electric dust collection method. . Accordingly, a plurality of the ventilation devices 100 may be installed in one house 2 or a building 3 , and a plurality of the ventilation devices 100 are included within the jurisdiction of one management server 500 .

In this embodiment, the ventilation device 100 is specifically, as shown in FIGS. 2 and 3 , a main body 110 , a first air moving unit 120 , a second air moving unit 130 , and a total heat exchange unit ( 140 ), a first air purification unit 150 , a second air purification unit 160 , and an air circulation unit 170 .

First, as shown in FIGS. 2 and 3 , the main body 110 has a box shape having a constant internal space, and preferably has a hexahedral shape as a whole. As shown in FIG. 3 , in the internal structure of the body 110 , dividing walls 111 are formed to divide the space into four with the total heat exchange unit 150 as the center.

Meanwhile, an installation part (not shown in the drawing) may be further provided on the outer surface of the main body 110 so that the main body 110 can be installed on the ceiling of the veranda or the like.

Next, as shown in FIGS. 2 and 3 , the first air moving unit 120 is a component that moves air introduced from the outside from one side of the main body 110 to the other side. That is, the first air moving unit 120 introduces air from the outside, passes through the inner space of the main body 110 , and then discharges the air in the other direction of the main body 110 . Of course, in this process, the air purification by the air purification unit 150 and the heat exchange operation by the total heat exchange unit 140 are performed.

To this end, in this embodiment, the first air moving unit 120 is specifically configured as shown in FIG. 3 , an external air inlet passage 121 , a first inlet side guide 122 , and a first outlet passage 123 . ), the first discharge-side guide 124 and the first pump 125 may be included.

First, as shown in FIG. 2 , the external air inlet passage 121 is formed on one side wall of the main body 110 and passes through the main body 110 to introduce external air into the main body 110 . is a component Accordingly, the external air inlet passage 121 is installed so that the main body 110 is exposed to the outside space in a state in which the main body 110 is installed in the house 2 or the building 3 . Of course, a separate inlet pipe (not shown in the drawing) may be connected.

Next, as shown in FIG. 3 , the inlet guide 122 is installed inside the main body 110 , and allows the outside air passing through the external air inlet passage 121 to pass through the other space of the main body 110 . It is a component that guides all of the total heat exchange unit 140 without flowing out. Accordingly, as shown in FIG. 3 , the first inlet guide 122 may be formed by the dividing walls 111 or may be formed by a separate wall.

Next, as shown in FIG. 3 , the first exhaust passage 123 is installed on the opposite side of the external air inlet passage 121 of the main body 110 , and the air that has passed through the total heat exchange unit 140 is discharged. It is a component that is discharged to the outside of the body 110 . Therefore, the first discharge passage 123 is formed through the other side wall of the main body 110, and extends to the outside of the main body 110 to move the outside air that has undergone purification and heat exchange processes to each space in the room. .

Next, as shown in FIG. 3 , the first discharge side guide 124 is installed on the opposite side of the first inlet guide 122 with respect to the total heat exchange unit 140 , and the total heat exchange unit It is a component for guiding the air passing through 140 to the first discharge passage (123). Accordingly, the first discharge-side guide 124 may be formed by the dividing walls 111 or may be formed by a separate wall.

Next, as shown in FIG. 3 , the first pump 125 is installed in the first inlet guide 122 , and provides power to the first air moving unit 120 to force air to move. is a component that That is, the first pump 125 strongly discharges the air in the first inlet-side guide part 122 to the total heat exchange part 140 , so that external air is transferred to the external air inlet passage 121 and the first inlet. It flows into the first discharge side guide 124 through the side guide 122 and the total heat exchange unit 140 sequentially, and is finally discharged through the first discharge passage 123 .

In this embodiment, the first pump 125 is provided as a pump having a capacity to suck in a sufficient amount of external air, and its structure may be variously changed.

Next, as shown in FIG. 3 , the second air moving unit 130 is a component that moves or circulates indoor air to the outside in a direction crossing the first air moving unit 120 . That is, the second air moving unit 130 discharges indoor air to the outside through the main body 110 or sends it back to the inside through the air circulation unit 170 , the first air moving unit 130 . ) to move the indoor air in a direction that does not meet the outside air passing through it.

To this end, in this embodiment, the second air moving unit 130 is specifically configured as shown in FIG. 3 , the indoor air inlet passage 131 , the second inlet side guide 132 , and the second outlet passage 133 . ), the second discharge-side guide 134 and the second pump 135 may be included. First, the indoor air inlet passage 131 is formed on the opposite side of the external air inlet passage 121 of the main body 110 , and passes through the main body 110 to introduce indoor air into the main body 110 . is a component

Therefore, the indoor air inlet passage 131 is installed through the main body 110, and the end thereof is connected to a duct or guide pipe (not shown in the drawing) capable of moving indoor air from an individual indoor space.

Next, as shown in FIG. 3 , the second inlet-side guide 132 is installed inside the main body 110 and allows indoor air passing through the indoor air inlet passage 131 to pass through the main body 110 . It is a component that guides the total heat exchange unit 140 without leaking to another space inside. Accordingly, the second inlet guide 132 may be formed by the dividing walls 111 or may be formed by a separate wall.

Next, as shown in FIG. 3 , the second exhaust passage 133 is installed on the opposite side of the indoor air inlet passage 131 of the main body 110 , and the air that has passed through the total heat exchange unit 140 is removed. It is a component that is discharged to the outside of the body 110 . That is, since the second exhaust passage 133 discharges the indoor air that has passed through the main body 110 and the total heat exchange unit 140 to the external space, it is installed on the side wall of the external space side of the main body 110, The end thereof is installed so as to be exposed to the outside space.

And as shown in FIG. 3 in the second discharge passage 133 in this embodiment, an opening/closing valve 136 is further provided. The on-off valve 136 is a component that opens and closes the second exhaust passage 133 under the control of the controller, and opens the second exhaust passage 133 in the indoor air exhaust mode, and opens the second exhaust passage 133 in the circulation mode. 2 Close the discharge passage 133 .

Next, as shown in FIG. 3 , the second discharge-side guide 134 is installed on the opposite side of the second inlet-side guide 132 , and removes the air that has passed through the total heat exchange unit 140 . 2 It is a component that guides to the discharge passage (133). That is, in the second discharge-side guide 134 , the indoor air that has sequentially passed through the indoor air inlet passage 131 , the second inlet guide 132 , and the total heat exchange unit 140 is discharged to the second discharge. It is a path that moves to the passage (133). Accordingly, the second discharge-side guide 134 may be formed by the dividing walls 111 or may be formed by a separate wall.

Next, as shown in FIG. 3 , the second pump 135 is installed in the second inlet guide 132 , and provides power to the second air moving unit 130 to force air to move. is a component that That is, the second pump 135 strongly discharges the air in the second discharge-side guide part 134 to the total heat exchanger 140 , so that the indoor air flows into the indoor air inlet passage 131 and the second inlet. The side guide 132 and the total heat exchange unit 140 are sequentially passed through to flow into the second discharge side guide 134 .

In this embodiment, the second pump 135 is provided as a pump having a capacity to suck in a sufficient amount of external air, and its structure may be variously changed.

Next, as shown in FIG. 3 , the total heat exchange unit 140 is installed in the main body 110 , and connects the air moving the first air moving unit 120 and the second air moving unit 130 . A component that exchanges heat in moving air. That is, when the temperature of the outside air passing through the total heat exchange unit 140 is higher than the temperature of the indoor air, the total heat exchange unit 140 causes the heat of the outside air to move to the indoor air, and the temperature of the indoor air is When the temperature of the outside air is higher than that of the outside air, heat from the indoor air is transferred to the outside air.

To this end, in this embodiment, the total heat exchange unit 140 has a multi-layered heat exchange layer formed by mixing the indoor air passing unit 142 and the outdoor air passing unit 144 as shown in FIG. 6 . has a structure formed, and the indoor air passage 142 and the outdoor air passage 144 have a structure in which gas can move in a direction orthogonal to each other.

Next, as shown in FIG. 3 , the first air purifying unit 150 is installed in the first inlet guide 122 of the first air moving unit 130 , and moves into the main body 110 . It is a component that removes fine dust and bacteria from the incoming air. To this end, in this embodiment, as shown in FIG. 3 , the air purification unit 150 is installed across the first inlet guide 122 , and the first air moving unit 120 is moved. It is formed in a structure that purifies the air by electrostatic spraying of micro-droplets having a microscopic size of several μm to several tens of nm in a direction perpendicular to the movement direction of external air. And, in this embodiment, the air purification unit 150 is preferably installed on the main body 110 in a sliding manner because it can be easily replaced.

Specifically, as shown in FIG. 4 , the air purification unit 150 may include a micro liquid crystal spray unit 151 , an electrode unit 152 , and a power supply unit 153 . First, as shown in FIG. 4 , the micro-droplet spraying unit 151 is installed on one wall of the first inlet guide 122 , and uses a plurality of micro nozzles to the first inlet guide 122 . (122) A component that sprays microdroplets into the interior.

Therefore, in this embodiment, the micro-droplet spraying unit 151, as described above, has a plurality of micro-nozzles 151a as shown in FIG. 5 so as to spray droplets having a fine size of several μm to several tens of nm. ) is preferably configured as a micro-nozzle array structure arranged in a matrix form. In this case, the micro-nozzle 151a is formed to have a nozzle size of 100 μm or less, and may be formed using MEMS technology.

And it is preferable that a plurality of pillars (not shown) protrude around the micro-nozzle 151a, so that the surface of the micro-droplet spraying unit 151 is hydrophobic.

Next, as shown in FIG. 4 , the electrode part 152 is a component installed at a position facing the microdroplet spraying part 151 and being spaced apart from the microdroplet spraying part 151 . The electrode unit 152 is supplied with a polarity opposite to that of the microdroplet spraying unit 151 by the power supply unit 153 or a power source of the same polarity or a power of a condition in which an electric field can be formed, such as a relatively low size. is applied, so that an electric field is formed in the space between the microdroplet spraying unit 151 and the electrode unit 152 .

In this embodiment, it is preferable that the electrode part 152 has a plate structure made of a porous material in which a plurality of fine through-holes are specifically formed or a net structure having a fine mesh structure. According to the electrode part 152 having such a structure, the microdroplets sprayed from the microdroplet spraying part 151 move in the electrode part 152 direction to perform air purification and sterilization functions, and the electrode part 152 ) through which it is discharged to the outside.

Next, the power supply unit 153 is a component that forms an electric field between the microdroplet spray unit 151 and the electrode unit 152 . Specifically, the power supply unit 153 applies a high voltage to the microdroplet spraying unit 151 and configures the electrode unit 152 to ground, so that the charged microdroplets are discharged from the microdroplet spraying unit 151. It is preferable to continuously flow in the direction of the electrode part 152 to continuously purify and sterilize the air.

On the other hand, in the present embodiment, the air purification unit 150, it is preferable that the extraction plate (151c) is further provided. As shown in FIG. 5, the extraction plate 151c is installed in front of the microdroplet spraying unit 151, and a hole 151b corresponding to the plurality of micronozzles 151a and each hole 151b. It is a component for controlling electrostatic spraying for each nozzle of the microdroplet spraying unit 151, including an electrode formed on the .

As shown in FIG. 5 , when the extraction plate 151c is used in this way, the micro-droplets sprayed from the micro-nozzle 151a can be more finely divided.

In addition, it is preferable that the air purification unit 150 according to the present embodiment further include an electrostatic filter 156 . As shown in FIG. 4 , the electrostatic filter 156 is installed in front of the air purification unit 150 , and is a component that removes huge dust from the polluted air flowing into the air purification unit 150 . Such huge dust is a cause of aggravating the dust collection performance of the air purifier 150 , so it is removed before entering the housing 110 .

In addition, it is preferable that an activated carbon filter or a photocatalytic device 157 is further provided in the air purification unit 150 according to the present embodiment. As shown in FIG. 4 , the activated carbon filter or photocatalytic device 157 is installed behind the electrostatic filter 156 , and removes insoluble gas and volatile organic compounds from the contaminated air passing through the electrostatic filter 156 . component to be removed. Since these insoluble gases and volatile organic compounds are not removed by the microdroplets by the air purification unit 150 , they are removed in advance using the activated carbon filter or the photocatalytic device 157 .

In this embodiment, it is preferable that the electrostatic filter 156 is self-cleaned by the water passing through the air purification unit 150 and discharged. To this end, in this embodiment, as shown in FIG. 4 , a supply line 155 for collecting and purifying fine droplets passing through the electrode unit 140 and supplying the discharged water to the electrostatic filter 156 is configured. , it is preferable to perform self-cleaning of the electrostatic filter 156 .

Next, as shown in FIG. 3 , the second air purification unit 160 is installed in the discharge side guide 134 of the second air moving unit 130 , and passes through the total heat exchange unit 140 . It is a component that removes fine dust and germs from the inside air. At this time, since the specific structure and function of the second air purification unit 160 are substantially the same as those of the first air purification unit 150 , a repeated description thereof will be omitted.

Next, as shown in FIG. 3 , the air circulation unit 170 is installed between the total heat exchange unit 140 and the sidewall of the body 110 , and is purified by the second air purification unit 160 . It is a component that returns air to the exit direction of the first air moving unit 120 . That is, the air circulation unit 170 is installed at a connection portion between the second discharge-side guide 134 and the first discharge-side guide 124 , and has a valve structure that can open and close this space.

Therefore, the air circulation unit 170 maintains a closed state in the indoor air exhaust mode to block the indoor air that has passed through the total heat exchange unit 140 from flowing back into the room, and maintains an open state in the indoor air circulation mode. Thus, the purified and sterilized indoor air that has passed through the total heat exchange unit 140 and the second air purification unit 160 is returned to the room.

Next, the control unit (not shown in the drawing) controls the second air purification unit 160 to selectively operate the indoor air exhaust mode and the indoor air circulation mode of the ventilation device 100 having the electric dust collecting filter according to the present embodiment. ) and a component that controls the air circulation unit 170 .

Specifically, as shown in FIG. 7 , during the indoor air discharge mode for discharging indoor air to the outside, the control unit maintains an inoperative state by not applying power to the second air purification unit 160, and the air The circulation unit 170 is blocked and the opening/closing valve 136 is opened. Then, the indoor air that has passed through the total heat exchange unit 140 passes through the inoperative second air purification unit 160 as it is, and is directed to the second discharge passage 133 through the open/close valve 136 . is emitted

On the other hand, in the case of the indoor air circulation mode in which the indoor air is circulated back to the inside, as shown in FIG. 8 , the controller applies power to the second air purification unit 160 to perform purification and sterilization functions, and , the air circulation unit 170 is opened, and the opening/closing valve 136 is closed. Then, the indoor air that has passed through the total heat exchange unit 140 is purified and sterilized by the second air purification unit 160 and moves to the first discharge-side guide unit 124 through the air circulation unit 170 . .

In this way, the control unit has an advantage in that it is possible to switch between the indoor air exhaust mode and the circulation mode by a simple operation of whether or not the power of the second air purification unit 160 is applied.

In addition, the ventilation apparatus 100 according to the present embodiment may further include first and second preliminary air purification units 182 and 184 . First, as shown in FIG. 3 , the first preliminary air purifying unit 182 is installed at the outlet side inlet of the first air moving unit 120 , and the air that has passed through the total heat exchange unit 140 is finely removed from the air. It is a component that is preliminarily operated only when the operation of the first air purifier 150 is stopped, although dust and bacteria are removed by the electrostatic precipitation method.

Accordingly, when a filter replacement alarm is generated by the alarm generating unit 300 , the control unit controls the first preliminary air purification unit 182 to immediately start the purification operation by the first preliminary air purification unit 182 . Apply power. In addition, when the filter replacement operation for the first air purification unit 150 is completed, the application of power to the first preliminary air purification unit 182 is stopped.

Next, as shown in FIG. 3 , the sensor unit 200 is installed inside the ventilation device 100 , and the concentration of fine dust in the air introduced into the ventilation device 100 and the concentration of fine dust in the exhausted air It is a component that measures each value. In this embodiment, the sensor unit 200 may specifically include a first sensor 210 , a second sensor 220 , and a third sensor 230 .

First, the first sensor 210 is installed on the inlet side of the first air moving unit, and is a component for measuring the concentration of fine dust in the moving air. That is, the first sensor 210 measures the concentration of fine dust in the air flowing into the ventilation device 100 from the outside, and the measured data is purified by the first purification unit 150 . It is adopted as the previous fine dust concentration value.

Next, as shown in FIG. 3 , the second sensor 220 is installed on the outlet side of the first air moving unit, and is a component for measuring the concentration of fine dust in the moving air. That is, the second sensor 220 measures the concentration of fine dust contained in the air after being introduced into the main body 110 from the outside and purified by the first purification unit 150 . The measured data is adopted as the fine dust concentration value after the purification operation by the first purification unit 150 .

Next, as shown in FIG. 2 , the third sensor 230 is installed on the inlet side of the second air moving unit 130 and is a component for measuring the concentration of fine dust in the moving air. That is, the third sensor 230 measures the concentration of fine dust contained in the air flowing into the main body 110 in the room. The measured data is adopted as the fine dust concentration value included in the air before passing through the second purification unit 160 .

Next, as shown in FIG. 3 , the alarm generating unit 300 is installed in the ventilation device 100 , and when the difference between the fine dust concentration values measured by the sensor unit 200 is greater than or equal to a set value, a filter replacement alarm component that generates That is, the alarm generating unit 300 determines that the difference between the fine dust concentration values measured by the first and second sensors 210 and 220 is equal to or greater than a preset value or the fine dust concentration measured by the second sensor 220 . When the value is greater than or equal to a preset value, a filter replacement alarm for the first purification unit 150 is generated.

In addition, the alarm generating unit 300 determines that the difference between the fine dust concentration values measured by the second and third sensors 220 and 230 is equal to or greater than a preset value or the fine dust concentration value measured by the second sensor 220 . If the preset value is greater than or equal to the preset value, a filter replacement alarm for the second purification unit 160 is generated.

In this way, the filter replacement alert generated by the alert generating unit 300 is transmitted to the management server 500 through the communication unit 410 .

Next, as shown in FIGS. 2 and 3 , the communication unit 410 is installed in the ventilation device 100 and transmits the filter replacement alarm generated by the alarm generating unit 300 in a wired or wireless communication method. It is a component that transmits to the management server 500 . Accordingly, the communication unit 410 may be configured as a wireless communication module, etc., and may communicate with the management server 500 through the Internet network 400 as shown in FIG. 1 .

Next, as shown in FIG. 1 , the management server 500 is installed to be remotely spaced apart from the ventilation device 100 , and the ventilation device 100 is provided by the Internet network 400 and the communication unit 410 . It is a component that communicates with and remotely controls the ventilation device 100 . Accordingly, the management server 500 classifies and stores history information and measurement data for each ventilation device 100 , and an artificial intelligence control unit and database for managing filter replacement and remote control of the ventilation device are installed. ;

On the other hand, the management server 500, when a filter replacement alarm is generated by the alarm generating unit 300, an alarm transmission module ( (not shown in the drawing) is preferably further provided.

1: Ventilation management system according to an embodiment of the present invention
100: ventilation device 200: sensor unit
300: alarm generator 500: management server
110: body 120: first air moving part
130: second air moving unit 140: total heat exchange unit
150: first air purification unit 160: second air purification unit
170: air circulation unit

Claims (8)

a ventilation device installed in a building or house to ventilate the air inside the building or house, and to purify the air by an electric dust collection method;
a sensor unit installed inside the ventilation device and measuring the fine dust concentration of the air introduced into the ventilation device and the fine dust concentration value of the exhausted air, respectively;
an alarm generating unit installed in the ventilation device and generating a filter replacement alarm when a difference between the fine dust concentration values measured by the sensor unit is greater than or equal to a set value;
a communication unit installed in the ventilation device and transmitting a filter replacement alarm generated by the alarm generating unit in a wired or wireless communication method;
a management server installed to be spaced apart from the ventilation device, and communicating with the ventilation device by the communication unit to control the ventilation device;
The ventilation device is
a body having a constant internal space;
a first air moving unit for moving air introduced from the outside from one side of the main body to the other side;
a second air moving unit for moving indoor air to the outside in a direction crossing the first air moving unit;
a total heat exchange unit installed in the main body and exchanging heat between air moving the first air moving unit and air moving the second air moving unit;
a first air purification unit installed at the inlet side of the first air moving unit and configured to remove fine dust and bacteria from the air introduced into the body by an electrostatic precipitation method;
a second air purification unit installed at the outlet side inlet of the second air moving unit and configured to remove fine dust and bacteria from the internal air that has passed through the total heat exchange unit in an electrostatic precipitation method;
an air circulation unit installed between the total heat exchange unit and the side wall of the main body and configured to send the air that has passed through the second air purification unit to an outlet direction of the first air moving unit; and
It is installed at the inlet on the discharge side of the first air moving unit, and removes fine dust and bacteria from the air that has passed through the total heat exchange unit in an electrostatic precipitation method, but is preliminarily operated only when the operation of the first air purification unit is stopped A ventilation system management system comprising a; preliminary air purification unit. delete According to claim 1, wherein the sensor unit,
a first sensor installed at the inlet side of the first air moving unit and measuring the concentration of fine dust in the moving air;
a second sensor installed at the outlet side of the first air moving unit and measuring the concentration of fine dust in the moving air;
and a third sensor installed on the inlet side of the second air moving unit and measuring the concentration of fine dust in the moving air. delete According to claim 1,
A control unit controlling the second air purification unit to perform a purification function by applying power to the second air purification unit without applying power to the second air purification unit while discharging the indoor air to the outside, and by applying power to the second air purification unit when indoor air is circulated back to the interior A ventilation system management system having an electric dust collection filter, characterized in that it further comprises. According to claim 5, wherein the control unit,
When power is applied to the second air purification unit, the air circulation unit is opened and the outlet of the second air moving unit is blocked. The method according to claim 3, wherein the alarm generating unit comprises:
An electric dust collecting filter, characterized in that when the difference between the measured values of the first sensor and the second sensor is out of a certain range or the difference between the measured values of the third sensor and the second sensor is out of a certain range, a filter replacement alarm is generated. A ventilation system management system provided. The method of claim 7, wherein the management server,
The ventilation system management system, characterized in that, when a filter replacement alarm is generated by the alarm generating unit, an alarm transmission module is further provided to transmit it to the filter replacement team closest to the ventilation device in which the filter replacement alarm is generated.

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