KR20240081695A - Indoor air quality management system for multi-use facilities - Google Patents

Abstract

The present invention relates to an indoor air quality management system for multi-use facilities that can identify indoor air pollution sources and control selected air quality management devices to improve indoor air in multi-use facilities used by an unspecified number of people, such as schools, offices, movie theaters, and libraries. , More specifically, one or more air quality measurement devices installed in the indoor and outdoor spaces of a multi-use facility, respectively, measuring air quality for the indoor and outdoor spaces and transmitting measurement data; One or more air quality management devices installed in the indoor space of the multi-use facility and operated by a control signal input from the outside to maintain a preset indoor air quality; It is individually connected to the air quality measurement device and the air quality management device through a wired or wireless communication network, receives measurement data transmitted from the air quality measurement device, and sets and stores indoor air quality standard values for the indoor space of the multi-use facility, It is characterized by including a management server that compares and analyzes the preset indoor air quality standard value and the received measurement data, outputs a control signal to control the operation of the selected air quality management device, and transmits the control signal to the selected air quality management device. .

Description

Indoor air quality management system for multi-use facilities}

The present invention is an IoT-based indoor air quality management system for multi-use facilities that can identify indoor air pollution sources and control selected air quality management devices to improve indoor air in multi-use facilities used by an unspecified number of people, such as schools, offices, movie theaters, and libraries. It's about.

As the health environment of modern society improves, life expectancy increases and the general public's interest in health is increasing.

As the people's standard of living gradually increases and most people spend 80-90% of their time in indoor spaces such as offices, homes, and schools, indoor air quality has become an important measure in determining quality of life. It has been ranked.

The main cause of interest in Indoor Air Quality (IAQ) can be seen as the increase in density within buildings due to the increase in non-face-to-face services in the Corona era, and for improving the function of building materials and interior decoration. Complex chemicals can be seen as worsening or causing indoor air pollution.

The government established a legal framework for indoor air quality management by revising the 'Indoor Air Quality Management Act for Multi-Use Facilities, etc.' and recently established the 4th Basic Plan for Indoor Air Quality Management (2020-2024).

Major tasks included in the 4th basic plan include improving the air quality management level of multi-use facilities, creating a pleasant public transportation use environment, improving the residential environment of apartment complexes, and strengthening the management base.

In particular, in order to protect sensitive health, there is a policy to improve the level of air quality management in multi-use facilities such as daycare centers, kindergartens, schools, and elderly care facilities to protect health-sensitive groups and socially and economically vulnerable groups by applying stricter standards.

At a time when infectious diseases such as the COVID-19 virus are becoming a social issue, there is an urgent need to improve indoor air quality as well as to identify and manage indoor air pollution sources.

Republic of Korea Patent Publication No. 10-2009-0095077

Therefore, in order to solve the above-mentioned problems of the present invention, the air quality is selected to identify indoor air pollution sources in multi-use facilities used by an unspecified number of people, such as schools, offices, movie theaters, and libraries, and to improve indoor air according to the identified air pollution sources. The purpose is to provide a system that maintains a comfortable indoor environment by controlling management devices.

As a means to solve the above-mentioned problems, the indoor air quality management system of the multi-use facility of the present invention (hereinafter referred to as the "system of the present invention") is installed in the indoor and outdoor spaces of the multi-use facility and provides One or more air quality measuring devices that each measure air quality and transmit measured data; One or more air quality management devices installed in the indoor space of the multi-use facility and operated by a control signal input from the outside to maintain a preset indoor air quality; It is individually connected to the air quality measurement device and the air quality management device through a wired or wireless communication network, receives measurement data transmitted from the air quality measurement device, and sets and stores indoor air quality standard values for the indoor space of the multi-use facility, It is characterized by including a management server that compares and analyzes the preset indoor air quality standard value and the received measurement data, outputs a control signal to control the operation of the selected air quality management device, and transmits the control signal to the selected air quality management device. .

As an example, the multi-use facility includes a plurality of partitioned unit spaces, one or more air quality measurement devices and one air quality management device are provided for each space, and the management server is an air quality measurement device provided for each space. It is characterized by selectively controlling the air quality management devices provided for each space by comparing and analyzing the measurement data collected from and the preset indoor air quality standard values.

As an example, the air quality measured by the air quality measuring device includes formaldehyde (HCHO: Formaldehyde), Volatile Organic Compounds (VOCs: Volatile Organic Compounds), and Carbon Monoxide (CO) for the indoor and outdoor spaces of the multi-use facility. ), carbon dioxide (CO2: Carbon Dioxide), nitrogen dioxide (NO2: Nitrogen Dioxide), fine dust (PM1.0, PM2.5, PM10), radon (Ra: Radon), and black carbon (BC: Black carbon). It includes, and the air quality management device is characterized by including an air circulator that operates to circulate between indoor and outdoor air of the multi-use facility.

As an example, the air quality measured by the air quality measuring device further includes temperature and humidity for the indoor and outdoor spaces of the multi-use facility, and the air quality management device is characterized in that it further includes an air conditioner.

As an example, the air quality management device is characterized by further including one or more of an air purifier, an air sterilizer, and an oxygen generator.

As an example, the air quality measuring device includes a sensor unit that measures information on indoor air quality and outputs the measured measurement data; a control unit that collects and stores measurement data output from the sensor unit and commands the collected measurement data to be transmitted in response to an external data request signal; a communication unit that receives a data request signal from the outside, transmits it to the control unit, and transmits the collected measurement data according to commands from the control unit through a wireless communication network; It is characterized by including a housing that accommodates a sensor unit, a control unit, and a communication unit therein.

As an example, the air quality measuring device is characterized by further including an analysis unit that derives information about air quality in the location where people are active based on measurement data received from the sensor unit and location information where the sensor unit is installed. .

As an example, the housing is divided into a sensing space where the sensor unit is placed at the bottom and a receiving space where the control unit and the communication unit are placed at the top by partition walls at the top and bottom, and indoor air flows into the sensing space. It is characterized by a blowing means that allows the air to be discharged.

As an example, in the sensing space, an inlet is formed on one side, an outlet is formed on the other side, a blowing means is formed outside the outlet, and indoor air flows in from a plurality of directions outside the inlet and mixes. It is characterized by a mixing chamber in which inlet holes perforated in multiple directions are formed.

As an example, a vortex forming tube communicating with the mixing chamber and having a thread formed therein is further formed inside the inlet, the partition wall is made of a heat-insulating material, and the same slope is provided at the lower part of the partition wall. It is characterized by the fact that the contact barrier border formed is composed of multiple contact blocks.

In this way, the system of the present invention identifies indoor air pollution sources in multi-use facilities used by an unspecified number of people, such as schools, offices, movie theaters, and libraries, and controls selected air quality management devices to improve indoor air according to the identified air pollutant sources, thereby improving comfort. It has the effect of providing a safe indoor environment.

In particular, by applying an IoT-based individual data collection and device control method, there is no concern about traffic overload compared to the existing centralized gateway method, and there is no need for wired construction, which has the effect of reducing initial construction costs as well as maintenance costs. There is.

1 is a diagram schematically showing the system of the present invention.
Figure 2 is a block diagram showing an air quality management configuration for individual partitioned spaces according to an embodiment of the present invention.
Figure 3 is a block diagram showing the configuration of a management server according to an embodiment of the present invention.
Figure 4 is a photograph showing an air quality measuring device according to an embodiment of the present invention.
Figure 5 is a block diagram showing the configuration of an air quality measuring device according to an embodiment of the present invention.
Figure 6 is a block diagram showing the detailed configuration of the sensor unit in Figure 5.
Figure 7 is a diagram illustrating the operating state of an air quality measuring device according to an embodiment of the present invention.
Figure 8 is a partial view showing the mixing chamber and vortex forming tube in Figure 7.
Figure 9 is a perspective view showing the mixing chamber of Figure 8.
Figure 10 is a side cross-sectional view showing another embodiment of the partition wall in Figure 7.

In describing the present invention, the terms and words used in the specification and claims are based on the principle that the inventor can appropriately define the concept of the term in order to explain the invention in the best way. It must be interpreted with meaning and concepts consistent with the technical ideas of.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

Referring to Figure 1, the system of the present invention includes an IoT-based air quality measuring device (1) installed in the indoor and outdoor spaces of a multi-use facility, and an IoT-based air quality measuring device (1) for managing air quality in the indoor space of the multi-use facility. It includes a management server 9 that compares and analyzes measurement data transmitted from the air quality management device 8 and the air quality measurement device 1 and selectively commands the air quality management device 8 to be controlled according to the analysis results.

The air quality measuring device 1 is installed in the indoor and outdoor spaces of a multi-use facility, measures air quality for the indoor and outdoor spaces respectively, and transmits the measured data.

One or more such air quality measuring devices 1 may be installed in consideration of the size of the multi-use facility, the separation environment of the internal space, etc.

The air quality measured by the air quality measuring device (1) includes formaldehyde (HCHO: Formaldehyde), Volatile Organic Compounds (VOCs: Volatile Organic Compounds), Carbon Monoxide (CO), Contains one or more of carbon dioxide (CO2), nitrogen dioxide (NO2), fine dust (PM1.0, PM2.5, PM10), radon (Ra), and black carbon (BC) can do.

In addition, the air quality measured by the air quality measuring device 1 may further include temperature and humidity of the indoor and outdoor spaces of the multi-use facility.

In addition, although not shown in the drawing, the air quality measuring device (1) can individually transmit the measured data on the above-mentioned air quality to the management server (9) through a wired or wireless Internet network, such as an Ethernet network. A communication unit 5 may be mounted.

As an example, the air quality measuring device 1 includes a sensor unit 3 that measures information on the air quality of the indoor space of a multi-use facility and outputs the measured data, as shown in FIGS. 4 and 5, and A control unit (4) that collects and stores the measurement data output from the sensor unit (3) and commands to transmit the collected measurement data in response to an external data request signal, and the control unit (4) receives a data request signal from the outside. ) and may include a communication unit 5 that transmits the collected measurement data according to commands of the control unit 4 through a wireless communication network.

And the air quality measuring device 1 may further include a housing 2 that accommodates a sensor unit 3, a control unit 4, and a communication unit 5 therein.

First, the sensor unit 3 corresponds to a configuration that measures information on indoor air quality in a specific space of a multi-use facility and outputs the measured measurement data.

Here, as mentioned above, the information on the air quality may include carbon dioxide, fine dust, temperature, humidity, etc., and for this purpose, the sensor unit 3 includes a fine dust measurement sensor 31 as shown in FIG. 6. , a carbon dioxide measurement sensor 32, a temperature sensor 33, and a humidity sensor 34 can be configured.

The control unit 4 collects measurement data output from the sensor unit 3 and commands the collected measurement data to be transmitted through the communication unit 5 in response to an external data request signal.

And the control unit 4 can set the transmission mode when commanding to transmit measurement data.

As an example, the control unit 4 is configured to use either a streaming mode that commands the collected measurement data to be transmitted in real time or a trigger mode that commands the control unit 4 to transmit the measurement data only when the measurement data is output from the sensor unit 3. You can select .

The control unit 4 can perform normal signal processing processes such as data filtering and noise removal for the collected measurement data and transmit the corrected measurement data. In the present invention, the analysis unit 6 is further configured. Thus, the data analyzed by the analysis unit 6 can be transmitted by the control unit 4.

The analysis unit 6 derives information about air quality in the location where people are active based on the measurement data received from the sensor unit 3 and the location information where the sensor unit 3 is installed. The goal is to derive information about air quality from the location where people are active.

The analysis unit 6 corrects data on air quality measured at the location where the sensor unit 3 is installed in order to analyze air quality at a location where people are active. For this purpose, temperature, humidity, number of floating population, level of fine dust, time of day, season, etc. can be referenced.

For example, if the sensor unit 3 is installed at a high location, the fine dust may be higher than the value measured by the sensor unit 3 in a location where people are active, so this difference is corrected, and the particle size of the dust particles is adjusted. Naturally, the concentration may differ depending on the location, so this difference is corrected, and the difference in the amount of fine dust resulting from the difference in air convection according to temperature is corrected.

Since various known correction modules can be applied to this correction, detailed description thereof will be omitted.

In this way, the analysis unit 6 does not directly utilize the measurements made by the sensor unit 3, but derives air quality from the location where people are active through position correction to more accurately measure the extent to which air quality affects people. There is an advantage to being able to respond.

The communication unit 5 receives a data request signal from the outside and transmits it to the control unit 4, and transmits the collected measurement data to the outside through a wireless communication network according to commands from the control unit 4.

The communication unit 5 is one of wireless communication networks such as an Internet network including Ethernet, a Wibro (Wireless Broadband) network, an HSDPA (High Speed Downlink Packet Access) network, a satellite communication network, and a Wi-Fi (Wireless Fidelity) network. Measurement data can be transmitted through a suitable one, and since various known technologies exist for the wireless communication method of the communication unit 5, detailed description thereof will be omitted.

In this way, the device 1 of the present invention can secure mobility and simplify installation while reducing manpower and costs associated with conventional cable installation by transmitting data using a wireless communication platform.

The sensor unit 3, the control unit 4, and the communication unit 5 are accommodated inside the housing 2.

In addition, the housing 2 is provided with a monitor unit 7 on which measurement data measured by the sensor unit 3 is displayed, as shown in FIG. 4, etc., and in the monitor unit 7, as mentioned above, Likewise, data corrected by the analysis unit 6 can be displayed.

As shown in FIG. 7, the housing 2 has a sensing space 23 in which the sensor unit 3 is placed at the bottom and a control unit 4, a communication unit 5, an analysis unit 6, and a monitor unit at the top ( An example is provided in which the receiving space 22 in which 7) is placed is partitioned by partition walls 21 at the top and bottom, and a blowing means 233 is provided in the sensing space 23 to allow indoor air to flow in and be discharged. .

The housing 2 of this embodiment is divided into upper and lower parts by a partition wall 21, so that a receiving space 22 is formed at the upper part, and a sensing space 23 is formed at the lower part.

The reason for dividing it into upper and lower sections like this is to control the influence of heat generated during the operation of the control unit (4), communication unit (5), etc. on the sensing space (23), which is a separate space at the bottom, to prevent heat from the sensor unit (3). This is to control the load caused by heat and at the same time block the contact between the air flowing into the sensing space 23 and the heat generated in the receiving space 22 to control contamination of the sensing value due to heat.

Since the heat generated during the operation of the control unit 4, etc. in the accommodation space 22 will move upward through convection, the sensing space 23 is located at the bottom. In this way, the heat rising from the receiving space 22 is dissipated to the outside by a separate heat dissipation means, although it is not shown in the drawing.

In the sensing space 23, an inlet 231 is formed on one side, an outlet 232 is formed on the other side, and a blowing means 233 is formed outside the outlet 232.

The operation of the blowing means 233 causes indoor air to flow into the inlet 231, flow in the sensing space 23, and be discharged to the outside through the outlet 232, and the sensing space 23 of this indoor air ), data is acquired by sensing of the sensor unit 3 during the flow process.

On the other hand, when indoor air is allowed to flow only from the inlet 231, indoor air is allowed to flow only from the part where the inlet 231 is formed. If a dead space is formed at the part where indoor air flows in, the data on air quality is not affected. There is a problem that may cause an error.

For example, when a collision occurs during the convection process of indoor air, dead space is temporarily formed, and the amount of fine dust, carbon dioxide, humidity, etc. of the indoor air located in this dead space can form error values.

Accordingly, in the present invention, a mixing chamber 234 is configured at the inlet 231 to allow indoor air to flow in and mix from multiple directions, thereby enabling more accurate data on air quality to be sensed.

The mixing chamber 234 is configured so that one side communicates with the inlet 231, and an inlet hole 234-1 perforated in a plurality of directions is formed to allow indoor air to flow in and mix from a plurality of directions. It can be.

As shown in Figures 8 and 9, the mixing chamber 234 has an inlet hole 234-1 formed on each side, and in addition, an induction control panel 234-2 protrudes from each side to facilitate mixing. Indoor air is introduced into each side direction of the chamber 234 and mixed inside, thereby enabling more accurate measurement of air quality.

In particular, the induction control panel 234-2 is configured to surround the inlet hole 234-1 formed on each side of the mixing chamber 234, as shown in the drawing, and is configured to surround the inlet hole 234-1 formed on each side of the mixing chamber 234 ( Indoor air flowing into 234-1) allows for more accurate measurement of air quality by allowing indoor air to flow in more clearly from the four directions in the drawing.

In addition, inside the inlet 231, a vortex forming pipe 235 is further configured, which communicates with the mixing chamber 234 and has a screw thread 235-1 formed therein, and as mentioned above, in multiple directions. This is to ensure that the indoor air flowing into the mixing chamber 234 is uniformly mixed as a vortex is formed in the vortex forming tube 235, and that the mixed air doubles the straightness in the sensing space 23.

Meanwhile, in the present invention, in order to further increase the efficiency of blocking heat generated during the operation of the control unit 4, etc. in the accommodation space 22 from being transferred to the indoor air flowing in the sensing space 23, the partition wall 21 is used. is made of a heat-insulating material, and an example of forming a contact-blocking border 211 having the same inclination gradient at the lower part of the partition wall 21 is shown in FIG. 10 .

Here, various well-known materials can be applied as the heat insulating material, so detailed description thereof will be omitted.

As shown in the drawing, the contact blocking border 211 is configured to lie down in the direction in which indoor air flows in the sensing space 23, and accommodates the flowing indoor air by minimizing the contact area with the partition wall 21 as much as possible. This is to control the transfer of heat generated in the space 22 to the flowing indoor air.

Meanwhile, one or more air quality management devices 8 may be installed in the indoor space of the multi-use facility and may be operated by a control signal input from the outside to maintain a preset indoor air quality.

As an example, the air quality management device 8 may include an air circulator that operates to circulate air between indoor and outdoor air of the multi-use facility, as shown in FIG. 1.

Although not shown in the drawing, the air circulator includes a first valve and a first fan for discharging indoor air into the outdoor space, and a second valve and a second fan for introducing outdoor air into the indoor space. Ventilation or circulation operation with outdoor air can be performed.

Like the air quality measuring device 1, the air quality management device 8 can also be connected to the management server 9 through a wired or wireless Internet network, and receives and inputs control signals transmitted from the management server 9. Can be operated individually.

In this way, in the system of the present invention, an IoT-based system is established in which the air quality measurement device 1 and the air quality management device 8 are individually connected to the management server 9 through the Internet network and communicate data, thereby creating an air quality measurement device ( 1) Even if there are a large number and type of air quality management devices (8), there are no problems due to traffic overload, and only the communication unit (5) of the specific air quality measurement device (1) or air quality management device (8) that caused the communication failure can be replaced. This not only enables rapid response but also reduces maintenance costs.

The management server 9 is individually connected to the air quality measurement device 1 and the air quality management device 8 through a wired or wireless communication network.

And the management server 9 receives measurement data transmitted from the air quality measurement device 1 and stores it in the database 90. At this time, the measurement data transmitted from the air quality measurement device 1 may further include not only measurement information about air quality but also identification information that can identify the space to be measured, and the management server 9 recognizes the identification information. You can classify and save the measurement data received through .

The management server 9 can set and store indoor air quality standard values for the indoor space of the multi-use facility, and compare and analyze the preset indoor air quality standard value and the received measurement data to determine the selected air quality management device 8. By outputting a control signal to control the operation and transmitting the control signal to the selected air quality management device (8), the operation such as 'ON', 'OFF' operation mode and operating intensity of the air quality management device (8) is controlled. Ensures that the set indoor air quality is maintained.

Here, the multi-use facility may include a plurality of partitioned unit spaces, and one or more air quality measurement devices 1 and air quality management devices 8 may be provided for each space.

The unit space may be an inter-floor space constituting a multi-use facility or may be an individual space partitioned and separated on a single floor.

And, as shown in FIG. 2, the management server 9 compares and analyzes the measurement data collected from the air quality measurement device 1 provided in each space and the preset indoor air quality standard value to determine the air quality management device provided in each space ( By selectively controlling 8), air quality management for each separate unit space can be efficiently performed.

Specifically, the management server 9 may include a setting input unit 91, a comparison analysis unit 92, a circulation control unit 93, and a purification control unit 94, as shown in FIG. 3.

The setting input unit 91 can set and input indoor air quality standard values for multi-use facilities. That is, the setting input unit 91 can set and input not only the temperature and humidity for the indoor space, but also an appropriate air quality value that can create a comfortable environment.

At this time, when the multi-use facility is divided into a plurality of unit spaces, it is natural that the setting input unit 91 can be set and input for each space.

The comparison and analysis unit 92 compares and analyzes the indoor air quality standard value set in the setting input unit 91 and the measurement data measured by the air quality measuring device 1 and outputs the analysis result.

That is, the comparison and analysis unit 92 compares and analyzes the measurement data measured by the air quality measurement device 1 with the air quality standard value set by user input and determines whether the standard value is exceeded. The judgment result is described below. It is transmitted to the control unit 93 and the purification control unit 94, respectively.

The circulation control unit 93 provides a control signal to control the operation of the air circulator based on the analysis results of the comparative analysis unit 92 as well as the indoor air quality and outdoor space air quality information measured by the air quality measuring device 1. Generates and outputs, and transmits it to the air circulator.

As an example, when the circulation control unit 93 receives an analysis result that the air quality of the indoor space exceeds the set indoor air quality standard value (carbon dioxide or fine dust, etc.), the circulation control unit 93 continues until the air quality of the indoor space falls below the set indoor air quality standard value. The air circulation operation of the air circulator can be activated. At this time, if the air quality in the outdoor space measured by the air quality measuring device 1 is worse than the indoor air quality, only the air ventilation operation of the air circulator can be operated to discharge the indoor air to the outdoors.

In addition, the air quality management device 8 may further include an air conditioner or heater installed indoors of the multi-use facility, and the temperature or humidity in the measurement data measured by the air quality measurement device 1 is a set air quality reference value (temperature or When an analysis result exceeding the humidity) is received, the operation of the air conditioner can be controlled to maintain the temperature or humidity set for the indoor space.

In addition, the air quality management device 8 may further include one or more of an air purifier, an air sterilizer, and an oxygen generator that are installed in the indoor space of a multi-use facility and can purify indoor air, as shown in FIG. 3. there is.

And when the purification control unit 94 receives an analysis result that the air quality of the indoor space exceeds the set indoor air quality standard value (carbon dioxide or fine dust, etc.), the purification control unit 94 purifies the air quality in the indoor space until the air quality of the indoor space falls below the set indoor air quality standard value. One or more of a purifier, air sterilizer, and oxygen generator can be operated.

In this way, the management server 9 of the present invention takes into account various conditions as well as the measurement data of the air quality measuring device 1 and operates the air circulator for ventilation or circulation, or directly operates an air purifier, air sterilizer, oxygen generator, etc. By operating devices that can purify air quality pollutants, it is possible to maintain the best indoor air quality.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art using the basic concept of the present invention defined in the following claims are also possible. falls within the scope of rights.

1: Air quality measuring device 2: Housing
3: Sensor unit 4: Control unit
5: Communication Department 6: Analysis Department
7: Monitor unit 8: Air quality management device
9: Management server 90: Database
91: Setting input unit 92: Comparison analysis unit
93: circulation control unit 94: purification control unit

Claims (10)

One or more air quality measurement devices installed in the indoor and outdoor spaces of a multi-use facility, respectively, measuring air quality for the indoor and outdoor spaces and transmitting measurement data;
One or more air quality management devices installed in the indoor space of the multi-use facility and operated by a control signal input from the outside to maintain a preset indoor air quality;
It is individually connected to the air quality measurement device and the air quality management device through a wired or wireless communication network, receives measurement data transmitted from the air quality measurement device, and sets and stores indoor air quality standard values for the indoor space of the multi-use facility, A management server that compares and analyzes the preset indoor air quality standard value and the received measurement data, outputs a control signal for controlling the operation of the selected air quality management device, and transmits the control signal to the selected air quality management device. Indoor air quality management system for multi-use facilities.
According to clause 1,
The multi-use facility includes a plurality of partitioned unit spaces, and at least one air quality measuring device and air quality management device are provided for each space,
The management server is,
An indoor air quality management system in a multi-use facility that selectively controls air quality management devices provided in each space by comparing and analyzing measurement data collected from air quality measurement devices provided in each space and preset indoor air quality standard values.
According to clause 1,
The air quality measured by the air quality measuring device includes formaldehyde (HCHO), volatile organic compounds (VOCs), carbon monoxide (CO), and carbon dioxide (CO2) in the indoor and outdoor spaces of the multi-use facility. : Contains one or more of Carbon Dioxide, Nitrogen Dioxide (NO2), Fine Dust (PM1.0, PM2.5, PM10), Radon (Ra: Radon), and Black Carbon (BC: Black Carbon),
The air quality management device is an indoor air quality management system for a multi-use facility, characterized in that it includes an air circulator that operates to circulate air between indoor and outdoor air of the multi-use facility.
According to clause 3,
The air quality measured by the air quality measuring device further includes temperature and humidity of the indoor and outdoor spaces of the multi-use facility,
The air quality management device is an indoor air quality management system for a multi-use facility, characterized in that it further includes an air conditioner.
According to clause 4,
The air quality management device is an indoor air quality management system for a multi-use facility, characterized in that it further includes one or more of an air purifier, an air sterilizer, and an oxygen generator.
According to clause 1,
The air quality measuring device is,
A sensor unit that measures information on indoor air quality and outputs the measured measurement data;
a control unit that collects and stores measurement data output from the sensor unit and commands the collected measurement data to be transmitted in response to an external data request signal;
a communication unit that receives a data request signal from the outside, transmits it to the control unit, and transmits the collected measurement data according to commands from the control unit through a wireless communication network;
An indoor air quality management system for a multi-use facility, comprising a housing that accommodates a sensor unit, a control unit, and a communication unit therein.
According to clause 6,
The air quality measuring device is,
An indoor air quality management system for a multi-use facility, characterized in that it further includes an analysis unit that derives information about air quality at a location where people are active based on the measurement data received from the sensor unit and location information where the sensor unit is installed.
According to clause 6,
The housing is,
The sensing space where the sensor unit is placed at the bottom and the receiving space where the control unit and the communication unit are placed at the top are partitioned by partition walls at the top and bottom, and the sensing space is provided with a blowing means that allows indoor air to flow in and be discharged. Features an indoor air quality management system for multi-use facilities.
According to clause 8,
In the sensing space,
An inlet is formed on one side, an outlet is formed on the other side, a blowing means is formed outside the outlet, and on the outside of the inlet, there is an inlet hole perforated in a plurality of directions to allow indoor air to flow in and mix from a plurality of directions. An indoor air quality management system for a multi-use facility, characterized in that it further comprises a mixing chamber.
According to clause 9,
Inside the inlet, a vortex forming tube is further formed that communicates with the mixing chamber and has a thread formed therein, the partition wall is made of a heat-insulating material, and a contact blocking border having the same inclination gradient is formed at the lower part of the partition wall. An indoor air quality management system for a multi-use facility, characterized in that it consists of a plurality of.

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