KR101150238B1 - Sensor node detecting noxious factors and a system for control and management of factors causing diseases including the same - Google Patents

Abstract

A hazardous factor sensor node is provided for detecting various hazardous environmental factors. The harmful factor sensor node has one or more detection lanes coated with selective media that specifically grows bacteria to be detected, and a detachable sensor plate and a specific reaction between the bacteria and the selection medium. It includes a bacteria measurement module having a readout for detecting the color change of the selection medium or the refractive index change of the light generated by the conversion to a digital signal. In addition, a disease-causing factor surveillance management system comprising the same is provided.

Hazardous Factor Sensor Node

Description

Sensor node detecting noxious factors and a system for control and management of factors causing diseases including the same}

The present invention relates to a noxious factor sensor node, and more particularly, to a noxious factor sensor node for detecting a variety of noxious environmental factors indoors and a disease causing factor monitoring management system comprising the same.

As the industry develops and society becomes more advanced, environmental pollution is reaching a serious level, and in addition, there are frequent cases of outbreaks caused by harmful bacteria such as strain viruses which have not appeared before. Moreover, these harmful bacteria are transported through various media such as water, body fluids and indoor air. In response, many researchers are trying to identify factors that can be transmitted through various media to cause disease. According to these studies, the public's awareness of the need for disease prevention is expanding and its demands are increasing. Therefore, the preventive measures against newly emerging pathogens as well as existing pathogens are emerging as an urgent task.

Recently, influenza virus and swine flu have been spreading collectively through the air. In addition, as factors for indoor air pollution causing diseases, harmful gases such as temperature, humidity, volatile organic compounds, and the like, carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen dioxide, ozone, fine dust, infectious bacteria and the like can be listed. Accordingly, the presence and absence of these factors and the quantitative concentrations should be measured in advance to keep the room in an optimal state.

Measurement of these factors can be sensed using various sensors. For example, indoor temperature, humidity, and various chemicals are identified using temperature sensors, humidity sensors, and chemical sensors that are each installed in multiple locations in the room. However, these sensors only provide information about the harmful environment and cannot detect the presence and amount of infectious bacteria that directly cause diseases.

Accordingly, a variety of studies are needed to find out whether or not there are infectious bacteria as well as a method for comprehensively detecting disease causing factors and removing them and maintaining an optimal indoor environment.

The technical problem to be achieved by the present invention is to provide a harmful factor sensor node that contributes to the detection of various harmful factors in the room exceeding the acceptance criteria set by the relevant authorities and to generate information about them.

Another technical problem to be achieved by the present invention is to provide a disease-causing factor monitoring and management system that detects various harmful factors to be detected indoors and notifies the designated persons of the information about the harmful factors.

According to an aspect of the present invention for achieving the above technical problem, the harmful factor sensor node has one or more detection lanes coated with a selective media to specifically grow the bacteria to be detected as well as detachable And a bacteria measuring module having a possible sensor plate or a reading unit configured to detect a color change or a refractive index change of light generated by a specific reaction between the bacteria and the selection medium and convert the light signal into a digital signal.

In some embodiments of the present disclosure, the reading unit may include a light emitting unit that periodically irradiates the detection lane with light having a predetermined wavelength. A light receiving unit for detecting the color change or the refractive index change of the light generated by the specific reaction may be provided.

A determination unit may be installed to convert the signal transmitted from the light receiving unit into a digital signal and measure the presence and amount of bacteria from the converted digital signal.

In addition, the reading unit may include a partition wall aligned along the periphery of the detection lane of the sensor plate.

In addition, the light receiving unit may detect a change in color of the indicator included in the coated selection medium or a change in color or a refractive index of light generated in a colony generated by the specific reaction. .

In other embodiments, the sensor plate may further comprise a control lane comprising a suspension medium. The control lane may be a positive control that grows the majority of bacteria without the use of inhibitors.

In still other embodiments, the detection lane is coated with a selection medium formulated for propagation of a particular bacterium, wherein the selection medium is a medium of a composition selected so that only the specific bacterium is propagated, well known in the art. Selective medium for bacteria such as Neisseria, Haemophilus, which may contain medium components and grow on the principle of enrichment using, for example, NAD and Hematine; Selective media for bacteria such as Candida, Listeria, Streptococcus, Staphylococcus, having casein and soybean resolution and hemolytic activity; Selective media for bacteria such as Pasteurella, Brucella, Vibrio, Corynebacterium, with cystine and peptone resolution; Selective medium for bacteria such as Citroacter, Aeromonas, Nocardia, Yersinia, Campylobacter, having hemolytic activity; Selective medium for bacteria such as Proteus, Salmonella, having the ability to produce hydrogen sulfide; Selection media for bacteria such as Enterobacter, Klebsiella, E. coli, etc., detectable by ingestion of eosin-methylene blue, may be used, but the scope of the present invention is limited thereto. It doesn't happen.

In still other embodiments, the hazardous factor sensor node may be a temperature / humidity sensor module, an oxygen (O ₂ ) sensor module, an ozone (O ₃ ) sensor module, a carbon monoxide (CO) sensor module, a carbon dioxide (CO ₂ ) sensor module, volatile It may further include an organic compound (VOC) sensor module, nitrogen dioxide (NO ₂ ) sensor module, sulfur dioxide (SO ₂ ) sensor module, fine dust detection sensor module.

According to another aspect of the present invention for achieving the above technical problem, the disease-causing factor monitoring management system constitutes a sensor node network indoors, at least one harmful factor sensor node for detecting at least one harmful factor, the harmful factor And a base control node for controlling the air conditioning / ventilation unit as well as notifying the air conditioning / ventilating unit to be removed and detection information transmitted from the harmful factor sensor node to the outside through a network.

The disease-causing factor monitoring management system includes a central control system constituting a central server, and the central control system receives a communication information for receiving information in real time directly from a sensor node or through a base control node, and transmitting information to the outside. It includes a modem server, a database server for storing transmitted and received information, and an application program for operating the system by processing information in real time.

The central control system receives the monitoring information from a plurality of base control nodes (or directly from the harmful factor sensor node) and stores it in a server, analyzes using the stored information, and continuously monitors whether there is an abnormality of data transmitted in real time. do.

In some embodiments of the present invention, the base control node may be set to operate the air conditioning / ventilation unit when there is no operation for the air conditioning / ventilating unit for a predetermined time from an administrator.

The base control node includes an air conditioner / ventilator control unit for controlling the operation of the air conditioner / ventilator.

The air conditioner / ventilator includes an air conditioner / ventilator, a wireless transmitter, and a power supply unit. The air conditioner / ventilator may transmit / receive to / from the base control node using IR (Infrared Radio Communication), RF, or Bluetooth.

The air conditioner / ventilator includes an ozone (O ₃ ) remover, carbon dioxide (CO ₂ ) remover, humidifier, moisture remover, heater, air conditioner, oxygen (O ₂ ) generator, air curtain, fine dust remover, bacteria remover, air convection fan, etc. It includes.

The O ₂ generator, the operation of the humidifier is in O ₂ sensor nodes each Hazards A measurement system, when an abnormal signal is measured to less than the reference value occurs in the humidity measurement system sikimyeo alarm (alarm) and the O ₂ generator, a period of time operating the humidifiers at the same time, after a certain period of time in the air conditioning / ventilation control of the base control node O ₂ Redo monitoring of abnormality of signal generated from measuring system and humidity measuring system.

O ₃ above The operation of the dust remover, CO ₂ remover, dehumidifier, air conditioner, fine dust remover, and bacteria remover are each O _{3 in the} noxious sensor node. Gauge, CO ₂ measurement system and a humidity measurement system, the temperature measurement system, the measurement system is measured in the fine dust, the reference value or more in the bacterial assay system and an abnormal signal in case of alarm (alarm) O ₃ at the same time Disposal, CO ₂ remover, the moisture remover, air conditioning, sikimyeo fine dust eliminator, bacteria eliminator for a period of time operation, the air conditioning / ventilation system controller of a certain time after the base control node O ₃ Monitor the presence of abnormality in the signal generated from the measuring system, the CO ₂ measuring system, the humidity measuring system, the temperature measuring system, the fine dust measuring system, and the bacterial measuring system.

The operation of the air curtain is detected by the fine dust measuring system in the sensor node when the inflow of fine dust increases due to, for example, a yellow dust phenomenon, and when the signal is generated, the air curtain is operated for a predetermined time at the same time as an alarm. It prevents the inflow of air, and in the air conditioner / ventilator control unit of the base control node, only the fresh air filtered while the inflow of external air, which is a pollution source, is blocked.

In other embodiments, the base control node may notify the designated persons of the detection information by text message, wired, wireless telephone or e-mail.

According to the present invention, the harmful factor sensor node is provided with a plate for simultaneously detecting a plurality of harmful factors such as bacteria which the user wishes to detect according to a specific indoor environment. In addition, the harmful factor sensor node may generate information on the amount of harmful factors detected by itself.

In addition, the harmful factor sensor node may transmit the generated information to the base control node so that the received base control node may determine whether to perform a function for removing the harmful factor and may notify the externally designated persons. . Accordingly, by notifying the presence of infectious bacteria as well as their type and disease causing type, the notified persons can improve the physical environment manually, or the central control center can automatically remove the harmful factors in real time to optimize Maintain an indoor environment.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings and the contents described below. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosure may be made thorough and complete, and to fully convey the spirit of the present invention to those skilled in the art. In the drawings, the thicknesses of components are exaggerated for clarity. Like numbers refer to like elements throughout. In addition, when a component is referred to as "on" or "on" of another component, it includes both the case of interposing another layer or other element in the middle as well as directly above the other component.

That is, what is referred to as the top, bottom, left and right described throughout the specification may be interpreted in the opposite direction depending on the view point of the drawings.

1 to 4, the disease causing factor monitoring management system according to an embodiment of the present invention will be described in detail. 1 is a disease-causing factor monitoring management system including a harmful factor sensor node according to an embodiment of the present invention, Figure 2 is a block diagram of a harmful factor sensor node, Figure 3 is a schematic diagram of a bacterial measurement module, 4 is a configuration diagram of the base control node.

Referring to FIG. 1, the disease-causing factor monitoring management system detects not only the presence or absence of infectious bacteria but also their types, and notifies the designated persons of the related information, and removes harmful factors.

In detail, the disease-causing agent monitoring management system 10 transmits the plurality of harmful factor sensor nodes 100 and the harmful factor sensor nodes 100 installed in different indoor spaces A, B, and C, respectively. Connected base control node 200 that receives the detected harmful factor detection information, installed in the same space as the plurality of harmful factor sensor nodes 100 and controlled by the base control node 200 to remove the harmful factors air conditioning / ventilation The unit 300 is included.

The air conditioning / ventilation unit 300 may be configured to include an ozone remover, a humidifier, a heater, a moisture remover, a carbon dioxide remover, an oxygen generator, an air conditioner, an air curtain, a fine dust remover, a bacteria remover, and an air convection fan. In this case, devices constituting the air conditioning / ventilation unit 300 may transmit / receive with the base control node 200 using IR (Infrared Wireless Communication), Bluetooth, or RF according to the indoor communication environment. .

In addition, the disease-causing factor monitoring management system 10 includes a network 400 connected to the base control node 200, a central server 500 connected to the network 400, external terminals 600, and a remote control client ( 700). The network 400 may be comprised of a mobile communication network, which is a combination of Internet networks and base stations that make it accessible to end-user portable CDMA telephones. The central server 500 connected to the network 400 may be responsible for distributing harmful factor detection information transmitted to the external terminals 600 in real time through the network 400. In this case, the external terminals 600 may be personal handheld terminals such as netbooks capable of wireless Internet communication with PDAs, personal PCs, and wired / wireless phones as final terminals owned by designated persons. Meanwhile, the remote control client 700 may be connected through the network 400 to remotely control the base control node 200 to turn on / off the air conditioning / ventilation unit 300 when detecting harmful factors, or various The sensor module and the measurement module can be controlled respectively.

In the present embodiment, as shown in FIG. 1, the harmful factor sensor nodes 100, the base control node 200, and air conditioning / ventilation constituting the sensor node network in each indoor space (A, B, C). Part 300 is shown as being located. The base control node 200 is not limited thereto, and the base control node 200 may be externally controlled to control both the harmful factor sensor nodes 100 and the air conditioning / ventilation unit 300 in different indoor spaces A, B, and C. Can be installed.

As shown in FIG. 2, the harmful factor sensor node 100 detects various harmful factors and indoor environment-related information in a room, such as the temperature / humidity sensor module 102, the carbon monoxide sensor module 104, and the carbon dioxide sensor module 106. ), Volatile organic chemicals (VOCs) sensor module 108, nitrogen dioxide sensor module 110, sulfur dioxide sensor module 112, and bacteria measurement module 120.

Other sensor modules 102, 104, 106, 108, 110, and 112 except for the bacterium measurement module 120 provide basic indoor environment information by detecting the temperature / humidity of the room and the presence of various harmful gases. Rather, it provides information as to whether the bacteria are easily propagated indoors. Other sensor modules 102, 104, 106, 108, 110, and 112 except for the bacterial measurement module 120 are detachable so that a user can measure a desired harmful factor, and these are sensor modules having a configuration well known to those skilled in the art. It may consist of. On the other hand, the bacterial measurement module 120 will be described later.

The sensor input unit 130 connected to the plurality of sensor modules 102, 104, 106, 108, 110, 112 and the bacterium measurement module 120 may include the sensor modules 102, 104, 106, 108, 110, 112. And receiving and amplifying signals generated from the measurement module 120 and transmitting the signals to the sensor controller 140. The sensor controller 140 receiving the amplified signals may generate a signal in which detection information stored in the signal is integrated in the form of a frame or a packet, and the sensor modules 102, 104, 106, 108, 110, and 112, the bacteria measurement module 120, and the sensor transmitter / receiver 150 may be controlled. The sensor transmitter / receiver 150 may provide a variety of harmful factors related detection information to the base control node 200 by performing short-range wireless communication with the base control node 200. In this case, the sensor transmitter / receiver 150 may transmit / receive with the base control node 200 using IR (Infrared Radio Communication), Bluetooth, or RF according to the design environment of the sensor node network indoors. . In addition, each of the harmful factor sensor nodes 100 in the sensor node network independently operates the various sensor modules 102, 104, 106, 108, 110, and 112, and the power supply unit 160 transmits and receives external signals. It is built.

On the other hand, the above-described bacteria measurement module 120 can be attached and detached to the harmful factor sensor node 100, like other sensor modules 102, 104, 106, 108, 110, 112, the presence of specific infectious bacteria in the room And a function of detecting the amount thereof. In detail, the bacterial measurement module 120 includes a detachable sensor plate 121 having one or more detection lanes 122 coated with selective media that specifically react with specific infectious bacteria to be detected. do. In this case, the sensor plate 121 is replaceable in the bacterial measurement module 120 to include the bacteria to be detected according to the indoor environment. The sensor plate 121 may use a card type plate cellulose or a silicon substrate as a material for covalently attaching a pH indicator using an organic reaction. In addition to these, the usable sensor plate 121 may use a nylon membrane having a positive or negative zeta potential, non-covalent attachment, or a positive or negatively charged ionic resin such as diethylaminoethyl (DEAE) and DEAE cellulose. Can be.

Each of the selection media in the detection lanes 122 is coated in the form of a gel as a biochemical material capable of detecting one infectious bacterium and instructs that a change in color is caused upon detection of the infectious bacterium. It may further contain an inhibitor to prevent the reaction of other bacteria and the like in addition to the indicator and the specific bacteria.

In addition, the sensor plate 121 may include all bacteria in one region separately to confirm that a change on the detection lane, for example, color change or colonization is not caused by any other factor other than growth of bacteria to be detected. It may further comprise a reference lane (129) coated with a rich media (growth) that can be grown. The rich medium is composed of ingredients and compositions suitable for the growth of all infectious pathogens to be detected, and specific ingredients and compositions may be appropriately selected according to the knowledge of those skilled in the art. This abundant medium is a positive control that can grow all bacteria by using no inhibitor, and examples of the abundant medium used in these control lanes include tryptone (10 g), sodium chloride (10 g), and yeast extract (5 g). LB medium can be used.

Each of the detection lanes 122 described above includes (1) infectious bacteria such as Neisseria and Haemophilus, which grow on the principle of enrichment using NAD and hematine; (2) infectious bacteria such as Candida, Listeria, Streptococcus, Staphylococcus, which have the resolution and hemolytic ability of casein and soybean; (3) infectious bacteria such as Pasteurella, Brucella, Vibrio, Corynebacterium, having a resolution of cystine and peptone; (4) infectious bacteria such as Citroacter, Aeromonas, Nocardia, Yersinia, Campylobacter, having hemolytic activity; (5) infectious bacteria, such as Proteus and Salmonella, having the ability to produce hydrogen sulfide; (6) The presence or absence of infectious bacteria, such as Enterobacter, Klebsiella, E-coli, etc., detectable by ingestion of eosin-methylene blue.

Proteus peptone (15 g), corn starch (1 g), dipotassium phosphate (Dot) for the detection of bacteria grown on the enrichment principle using NAD and hematin (1) 4g), Monopotassium phosphate (1g), Sodium chloride (5g), Agar (10g), Cyclohexide (1ml), GC containing sheep's blood (5%) The detection lanes can be coated with media. Cycloheximide is used here as an inhibitor and cotton blood sterilized as an indicator. The change by the enrichment principle using NAD and hematine is shown in FIG. 6.

Pancreatic digest of casein (15 g), papain digest of soybean meal for the detection of infectious bacteria having casein and soybean meal resolution and hemolytic activity of (2) The detection lanes can be coated with a TSA blood medium comprising of soybean meal (5 g), sodium chloride (5 g), agar (15 g), cycloheximide (1 ml), sheep blood (5%). Thereby, it is possible to identify bacteria that exhibit hemolysis (lysis) of sheep blood and bacteria that decompose casein and soybean meal. Here, cyclohexide is used as an inhibitor of fungus and sheep blood is used as an indicator. This change is shown in FIG. 7.

In order to detect the bacterium having the resolution of cystine and peptone of (3), pancreatic digest of casein (20 g), L-cystine (0.5 g), sodium chloride (5 g), sodium sulfide The detection lanes can be coated with CTA medium containing (0.5 g), agar (2.5 g), phenol red (17 mg) and cycloheximide (1 ml). Herein, cycloheximide is used as a mold inhibitor, and phenol red is used as an indicator. When acid is produced through carbohydrate fermentation of bacteria, the color of red orange medium is changed to yellow, and when the medium is alkylated due to decomposition of peptone, the color of red orange remains. The change when acid is produced is shown in FIG. 8.

To detect the hemolytic bacterium of (4), Heart muscle infusion form (2g), pancreatic digest of casein (13g), yeast extract (5g), sodium chloride (5g) The detection lanes can be coated with BAP medium comprising, Agar (15 g), sheep blood (5%), cycloheximide (1 ml). Here, cycloheximide is used as an inhibitor of mold, and sheep blood is used as an indicator. A clear color change is indicated by the bacterial sheep's hemolysis, which is shown in FIG. 9.

In order to detect the bacteria having the hydrogen sulfide generating ability of (5), pancreatic digest of casein (2.5g), peptic digest of animal tissue (2.5g), lactose (10g), bile salts (Bile salts) ) (8.5g), sodium chloride (8.5g), sodium thiosulfate (8.5g), Ferric citrate (1g), agar (13.5g), Brilliant green (0.33g), The detection lanes can be coated with SS medium containing Neutral red (25 mg). Ingestion of sodium thiosulfate and iron citrate turns hydrogen sulfide into black. The color change when hydrogen sulfide is formed is as shown in FIG.

Bacteria that can be detected by the ingestion of eosin-methylene blue in (6) include pancreatic digest of gelatin (10 g), lactose (5 g), sucrose (5 g), dipotassium phosphate (2 g), and eosin Y. The detection lanes can be coated with EMB medium containing (Eosin Y) (0.4 g), Methylene blue (65 mg), agar (13.5 g), cyclohexide (1 ml). Cycloheximide is used as a mold inhibitor, and eosin Y and methylene blue are used as indicators. When the bacterium grows by ingesting eosin-methylene blue, the color is changed to a black-blue or metallic luster, and other bacteria are inhibited from growth or form a colorless colony. This color change is as shown in FIG.

The medium used for coating the detection lane is not limited to those mentioned above, and conventional media, indicators, inhibitors and the like used in the culture or detection of specific bacteria in the art may be used.

On the other hand, the control lane is coated with LB medium containing tryptone (10 g), sodium chloride (10 g), and yeast extract (5 g) for the detection of bacteria using the positive control that does not include the inhibitor and grows all the bacteria. can do. Bacteria that decompose tryptone and yeast extracts change color depending on their characteristics from yellow, the primary color.

In addition, the bacterial measurement module 120 detects a color change or a change in refractive index of light generated by a specific reaction between the media in the detection lanes 122 and the control lane 129 and converts it into a digital signal. The readout unit 128 measures the presence and the amount thereof. The reader 128 includes a bacteria detector 125 corresponding to the detection lanes 122 and the control lane 129, respectively, and the bacteria detector 125 controls the light emitter 123 and the light receiver 124. It may include.

The light emitters 123 periodically irradiate light of a predetermined wavelength to the detection lane 121 and the control lane 129, and the light receivers 124 detect a change in color or a refractive index of light generated by a specific reaction. can do. In this case, the light receiving units 124 may detect a change in color by an indicator included in a coated selection medium or a change in color or a refractive index of light generated in a colony of pathogens generated by the specific reaction. . In detail, such a color change or a change in the refractive index of the light may be sensed by using the absorbance absorbed by irradiating light to the detection lanes 122 and changing the color change or the refractive index of the light by the above-described specific reaction. Accordingly, a colony expressed by a specific reaction may be found in an early state, and according to the present embodiment, certain bacteria and the like present in the room may be detected with high sensitivity.

In addition, the readout 128 prevents interference between the lights detected by the light receivers 124 and partitions aligned along the periphery of the detection lanes 122 and the control lane 129 to perform accurate detection. 126 may include. In addition, the readout unit 128 may further include a determination unit 127 which converts a signal transmitted from the light receiving units 124 into a digital signal and measures the presence and amount of bacteria from the converted digital signal. have. According to the present embodiment, the bacterial measurement module 120 may not only detect the change in color due to the specific reaction, but also convert the amount of change into a digital signal to calculate the presence and amount thereof in real time. Therefore, the detection and measurement of various infectious bacteria and the like are easily and conveniently performed using the small harmful factor sensor node 100 without a separate measuring device.

Referring to FIG. 4, the base control nodes 200 notify the outside of the detection information transmitted from the harmful factor sensor nodes 100 through the network 400 and control the air conditioning / ventilation unit 300. In detail, the base control node 200 includes a sensor node communication unit 210 that provides a communication interface with the harmful factor sensor nodes 100, a transmitter / receiver unit 230 that provides an interface with the network 400, and a base control unit. 220, the air conditioning / ventilation unit 300 may include an air conditioning / ventilation control unit 240 and a display unit 250 to perform and control wireless communication.

The base controller 220 controls various information related signals transmitted through the sensor node communication unit 210 and the transmitter / receiver 230, and uses air conditioning / ventilation using detection information transmitted in real time from the reader 128. It may be determined whether to operate the unit 300 and control the air conditioning / ventilation unit 300.

When the base control unit 220 receives the detection information equal to or greater than the reference value, the base control unit 220 converts the signal into a form provided to the external terminals 600 and the remote control client 700 and transmits the detection information to them through the network 400. I can send it. In addition, the base controller 220 displays a warning notification using the display unit 250 when receiving the detection information of a predetermined reference value or more, and controls the remote control client 700 while the warning notification is maintained for a predetermined time. When there is no operation of the air conditioning / ventilation unit 300 can automatically operate the air conditioning / ventilation unit (300). Accordingly, disease prevention can be efficiently performed by allowing the manager to take measures to remove harmful factors in advance for each indoor space. In addition, the air conditioner / ventilation unit 300 may promptly prevent disease by removing harmful factors such as infectious bacteria present in the room according to the set conditions under the control of the base control node 200.

On the other hand, the power supply unit 260 is built in the base control node 200 to operate the internal components independently, and to transmit and receive from the outside.

Hereinafter, the operation of the disease-causing factor monitoring management system according to another embodiment of the present invention will be described with reference to FIGS. 1 to 5. 5 is a flow chart for explaining the operation of the disease-causing factor monitoring management system according to an embodiment of the present invention.

Referring to FIGS. 1 and 5, infectious bacteria and various harmful factors are detected through the harmful factor sensor nodes 100 in each room A, B, and C (S510). Such a detection operation generates detection information when, for example, the infecting bacteria are detected above the reference value when the temperature and humidity are measured at values outside the preset reference range, and when various chemical gases are measured above the reference value. . Upon detection of harmful factors, the harmful factor sensor nodes 100 may convert a signal regarding the presence and amount of harmful factors into a digital signal.

Subsequently, upon detection of harmful factors, the base control nodes 200 are notified of the digitally detected detection information (S520). Each of the notified base control nodes 200 determines whether the amounts of harmful factors included in the detection information are out of a reference range, and when the base control nodes 200 are out of the reference range, the base control nodes 200 transmit the detection information to the external terminals 600 using the base control unit 220. And converts the signal into a form that the remote control client 700 can receive.

Next, the base controller 220 transmits the detection information to the external terminals 600 through the network 400 through a text message, an e-mail, a wired, wireless telephone, and a remote control client so that the user and the administrator can detect the detection information. To be notified (S530).

Subsequently, the base control unit 220 causes the display unit 250 to display a warning notification upon detection of a harmful factor, and the manager controls the air conditioning / ventilation unit 300 through the remote control client 700 while the warning notification is maintained for a predetermined time. ) To monitor whether the operation (S540).

If there is no operation of the manager, the base controller 220 may operate the air conditioning / ventilation unit 300 by short-range wireless communication with the air conditioning / ventilation unit 300 through the air conditioning / ventilation control unit 240 ( S550). In this case, the air conditioning / ventilation unit 300 adjusts the temperature / humidity of the room based on the information indicated by the base control unit 220, and radiates a substance to remove specific bacteria into the room, and various harmful chemical gases. It can be supplied to the room to remove the substance.

Although the present invention has been described in detail through the representative embodiments, those skilled in the art to which the present invention pertains can make various modifications without departing from the scope of the present invention with respect to the embodiments described above. Will understand. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below but also by the equivalents of the claims.

1 is an environmental management system including a harmful factor sensor node according to an embodiment of the present invention.

2 is a block diagram of a harmful factor sensor node.

3 is a schematic diagram of a bacterial measurement module.

4 is a configuration diagram of a base control node.

5 is a flowchart illustrating an operation of an environment management system according to an embodiment of the present invention.

Figure 6 is a diagram showing the change of enrichment using NAD and hematin by bacteria on GC agar plate.

7 is a diagram showing the change in casein and soybean meal decomposition by the bacteria on the TSA agar plate and the hemolytic capacity to the blood of sheep.

FIG. 8 is a diagram showing the changes in the degradation of cystine and peptone by bacteria on CTA agar plates.

Figure 9 is a diagram showing the changes appearing during degradation due to hemolysis by bacteria in the BAP agar medium.

10 is a view showing the changes appearing when hydrogen sulfide generation on the S-S agar plate.

FIG. 11 shows the changes shown by Eosin-methyleneblue uptake on EMB agar plates.

Claims (11)

In the harmful factor sensor node for detecting at least one harmful factor in the room, Detachable sensor plate having one or more detection lanes coated with selective media to specifically grow infectious bacteria to be detected and color changes caused by specific reactions between the bacteria and the selection medium, or It includes a bacterial measurement module having a reading unit for detecting a change in the refractive index of the light and converting it into a digital signal, The reading unit may include a light emitting unit which periodically irradiates the detection lane with light having a predetermined wavelength; A light receiving unit configured to sense the change in color or the refractive index of light generated by the specific reaction; And a determining unit converting the signal transmitted from the light receiving unit into a digital signal and measuring the presence and amount of bacteria from the converted digital signal. delete The harmful factor sensor node of claim 1, wherein the reading part includes a partition wall aligned along a periphery of the detection lane of the sensor plate. The method of claim 1, wherein the light receiving unit detects a change in color by an indicator included in the coated selection medium or a change in refractive index of color or light generated in a colony of pathogens generated by the specific reaction. Hazardous Factor Sensor Node The noxiousness sensor node of claim 1, wherein the sensor plate further comprises a control lane comprising a rich medium containing yeast extract and tryptone. According to claim 1, Temperature / humidity sensor module, oxygen sensor module, ozone sensor module, carbon monoxide sensor module, carbon dioxide sensor module, volatile organic compound (VOC) sensor module, nitrogen dioxide sensor module, sulfur dioxide sensor module, fine dust detection sensor module Hazardous factor sensor node further comprising. The method of claim 1, wherein the detection lane is selected for the bacteria growing on the principle of enrichment using NAD and hematine; Selective medium for bacteria having resolution of casein and soybean meal, and hemolytic ability; Selective medium for bacteria having a resolution of cystine and peptone; Selection medium for identifying bacteria having hemolytic ability; Selective medium for bacteria using hydrogen sulfide producing ability; A hazard sensor node coated with one or more selective media selected from the group consisting of selective media for bacteria detectable by ingestion of eosin-methyleneblue. In the disease-causing factor monitoring management system that detects and removes at least one harmful factor in the room and notifies detection information, Configure the sensor node network indoors, At least one hazard sensor node for detecting at least one hazard; An air conditioning / ventilating unit for removing the harmful factors; And Including the base control node for notifying the detection information transmitted from the harmful factor sensor node to the outside through the network, and controls the air conditioning / ventilation unit, The harmful factor sensor node has one or more detection lanes coated with selective media that specifically reacts with the bacteria to be detected, and a detachable sensor plate and specificity of the bacteria and the selection medium. It includes a bacterial measurement module having a reading unit for detecting the change in the color change or the refractive index of the light generated by the reaction and converts the digital signal, The reading unit may include a light emitting unit which periodically irradiates the detection lane with light having a predetermined wavelength; A light receiving unit configured to sense the change in color or the refractive index of light generated by the specific reaction; And a determining unit converting the signal transmitted from the light receiving unit into a digital signal and measuring the presence and amount of bacteria from the converted digital signal. The air conditioner of claim 8, wherein the plurality of the harmful factor sensor nodes are installed indoors, and the air conditioning vents are installed in the same indoor space, and the wireless communication is performed in close range with the base control node. Disease induction factor monitoring management system is set to operate the air conditioning / ventilation unit when there is no operation for the ventilation unit. The base control node of claim 8, wherein the base control node is connected to a remote central server and a remote control client using the network, wherein the remote control client controls the base control node and the harmful factor control node, and the base control. And a node notifies the designated persons of the detection information by text message, wired telephone, or electronic mail. The disease-causing factor according to claim 8, wherein the air conditioner / ventilator includes an ozone remover, a humidifier, a heater, a moisture remover, a carbon dioxide remover, an oxygen generator, an air conditioner, an air curtain, a fine dust remover, a bacteria remover, and an air convection fan. Surveillance management system.

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