KR20130102823A - Harmful gase discernment device of livestock barn and, the discernment method - Google Patents

Harmful gase discernment device of livestock barn and, the discernment method Download PDF

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Publication number
KR20130102823A
KR20130102823A KR1020120023958A KR20120023958A KR20130102823A KR 20130102823 A KR20130102823 A KR 20130102823A KR 1020120023958 A KR1020120023958 A KR 1020120023958A KR 20120023958 A KR20120023958 A KR 20120023958A KR 20130102823 A KR20130102823 A KR 20130102823A
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South Korea
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gas
digital signal
data
sensor
unit
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KR1020120023958A
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Korean (ko)
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박홍배
김영웅
전용준
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(주)아크로엠
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0047—Organic compounds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0054—Ammonia

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

PURPOSE: An apparatus for identifying toxic gas in a livestock barn is provided to create an environment where toxic gas is wirelessly measured and classified by converting a voltage value of data measured from toxic gas into a digital signal. CONSTITUTION: An apparatus for identifying toxic gas in a livestock barn comprises: one or more sensor devices (10) which are placed at a region where mixture gas containing toxic gas is generated, converts data of the mixture gas into a digital signal, and wirelessly transfers the digital signal; and a classification device (20) which receives the digital signal from the sensor devices and checks the kind and concentration of the toxic gas. A method for identifying toxic gas in a livestock barn comprises the steps of: measuring the data from the mixture gas containing toxic gas and converting the data into a voltage value; wirelessly sending and receiving the data by the classification device; and checking the kind and concentration of the toxic gas from the data and recognizing and classifying the toxic gas. [Reference numerals] (10) Sensor medium; (12) Gas measuring unit; (14) Sensor operating unit; (16) Wireless transmitting unit; (20) Classifying unit; (22) Wireless receiving unit; (24) Gas recognition classification unit; (26) Database; (28) Control unit

Description

Harmful gas identification device for livestock growing environment, and identification method thereof {HARMFUL GASE DISCERNMENT DEVICE OF LIVESTOCK BARN AND, THE DISCERNMENT METHOD}

The present invention relates to an apparatus for identifying harmful gases in a livestock growing environment, and more specifically, a livestock growing environment that can wirelessly measure and transmit data of harmful gases in a livestock growing environment and accurately identify the type and concentration of gas. To a noxious gas identification device.

In recent years, due to the gradual densification of livestock raising in the livestock raising environment, the concentration of harmful gases generated from odorous manure can be increased, and the allowable exposure standard can be exceeded. In terms of odor generation, volatile organic substances are produced as the final product of the anaerobic bacteria fermentation present in the manure.

The major harmful gases of livestock odor are ammonia (NH 3 ) and hydrogen sulfide (H 2 S). Ammonia is colorless, water soluble, easily soluble in water, and can be detected by human nose even at low concentrations. Human eyes and lungs are irritated. Hydrogen sulfide is heavier than air and is laid on the slurry surface of the house. Even low levels of rotting eggs can cause headaches, dizziness, and nausea.

In particular, when the minimum ventilation rate is applied to maintain the indoor temperature during the winter when the external air temperature decreases, when a farm worker is exposed to harmful gases for a long time or a high concentration, it may act as a toxic gas, and livestock are also affected similarly. 15 [ppm] of ammonia gas in confined spaces can be caused by diseases of the respiratory system. In addition, the ammonia released to the outside causes a lot of damage to nearby farms.

Therefore, a recent hazardous gas identification device in a livestock growing environment needs an environment capable of wirelessly measuring data of harmful gases in a livestock growing environment and accurately identifying the type and concentration of gas.

SUMMARY OF THE INVENTION In order to solve the problems as in the related art, an object of the present invention is to provide a harmful gas identification apparatus for livestock growing environment that can wirelessly measure and classify harmful gases by converting voltage values of data measured from harmful gases into digital signals. I would like to.

In addition, another object of the present invention is to provide a harmful gas identification device of the livestock growing environment that can be easily monitored from the center by measuring the harmful gas by wirelessly transmitting and receiving data, wirelessly measuring the harmful gas anywhere and safely. I would like to.

In addition, another object of the present invention is to provide a device for identifying harmful gases in a livestock growing environment that can simplify the calculation process and shorten the calculation time by classifying gases through a fuzzy maximum-minimum algorithm.

In addition, another object of the present invention is to provide an apparatus for identifying harmful gases in a livestock growing environment that can increase the probability of gas measurement and recognition by using a sensor array using a combination of various types of gas sensors.

The hazardous gas identification device of the livestock growing environment of the present invention for achieving the above objects is disposed in the region where the mixed gas containing the harmful gas is generated in the apparatus for identifying harmful gases in the livestock growing environment, the gas data from the mixed gas Measuring and converting the digital signal into one or more sensor means for wirelessly transmitting the digital signal, and receiving the digital signal from the continuous sensor means, and identifying and classifying the type and concentration of the noxious gas from the digital signal. It characterized in that it comprises a classification means.

The sensor means measures gas data from the mixed gas, and converts the gas data into a voltage value, and converts the voltage value of the gas data into the digital signal, but converts the digital signal into the sorting means. And a sensor driver for driving the wireless transmitter to wirelessly transmit the data, and the gas measuring unit to measure the gas data, or the wireless transceiver to wirelessly transmit the digital signal to the sorting means.

The classification means uses a wireless receiver for wirelessly transmitting the digital signal from the sensor means, an algorithm for identifying a gas as learned data, and a gas for identifying and classifying a type and concentration of harmful gas from the digital signal. And a controller configured to control the recognition classifier and the wireless receiver to wirelessly receive the digital signal or to classify the type and concentration of the noxious gas from the digital signal.

The gas recognition classification unit classifies the harmful gas through a purge max-minimum algorithm.

The gas measuring unit may measure the mixed gas including ammonia gas sensor MICS-5914 and a volatile organic compound sensor MICS-5135.

In order to achieve the above objects, a harmful gas identification method of a livestock growing environment according to the present invention includes a gas measuring step of measuring gas data from a mixed gas including a noxious gas by a sensor means, and converting the gas data into a voltage value, the sensor And a wireless transmission and reception step of wirelessly transmitting and receiving the gas data from the means to the classification means, and a gas recognition classification step of the classification means identifying and classifying the type and concentration of the noxious gas from the data.

The wireless transmitting / receiving step may include converting a voltage value of the gas data into a digital signal, and wirelessly transmitting the digital signal to the classification means, and the classification means wirelessly transmitting the digital signal from the sensor means. It characterized in that it comprises a wireless receiving step to receive.

In addition, the gas recognition classification step is characterized by classifying the harmful gas through the purge maximum-minimum algorithm.

As described above, the noxious gas identification device of the livestock growing environment of the present invention converts the voltage value of the data measured from the noxious gas into a digital signal, thereby providing an environment in which the noxious gas can be measured and classified wirelessly.

In addition, the apparatus for identifying harmful gases in the livestock growing environment of the present invention provides an environment in which harmful gases can be safely measured by wirelessly transmitting and receiving data on which harmful gases are measured.

In addition, the apparatus for identifying harmful gases in the livestock growing environment of the present invention classifies gases through a fuzzy maximum-minimum algorithm, thereby providing an environment that can simplify the calculation process and shorten the calculation time.

In addition, the apparatus for identifying harmful gases in the livestock growing environment of the present invention provides an environment in which gas measurement and recognition probability can be increased by using a sensor array using a combination of various types of gas sensors.

1 is a block diagram showing a schematic configuration of an apparatus for identifying a noxious gas in a livestock growing environment according to the present invention.
2 is a flowchart illustrating a learning process of pattern recognition for gas classification by a gas recognition classification unit of a noxious gas identification device of a livestock growing environment according to the present invention.
3 is a flowchart illustrating a specific gas measurement and recognition classification process of the apparatus for identifying harmful gases in the livestock growing environment according to an embodiment of the present invention.
Figure 4 is an experimental result of measuring the ammonia gas by the sensor means of the noxious gas identification device of the livestock growing environment of the present invention.
5 is an experimental result of measuring the hydrogen sulfide gas by the sensor means of the noxious gas identification device of the livestock growing environment of the present invention.
6 is an experimental result of measuring a mixed gas of ammonia and hydrogen sulfide by the sensor means of the noxious gas identification device of the livestock growing environment of the present invention.
FIG. 7 is an experimental result of classifying means of the noxious gas identification device of the livestock growing environment according to the present invention.

The embodiments of the present invention can be modified into various forms and the scope of the present invention should not be interpreted as being limited by the embodiments described below. The present embodiments are provided to enable those skilled in the art to more fully understand the present invention. Therefore, the shapes and the like of the components in the drawings are exaggerated in order to emphasize a clearer explanation.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to FIGS. 1 to 7.

1 is a block diagram showing a schematic configuration of an apparatus for identifying a noxious gas in a livestock growing environment according to the present invention.

Harmful gas identification device of the livestock growing environment of the present invention according to Figure 1 includes a sensor means 10 and the classification means (20).

The sensor means 10 measures gas data from the mixed gas, converts the gas data into a digital signal, and wirelessly transmits the digital signal. The sensor means 10 includes a gas measuring unit 12, a sensor driving unit 14, and a wireless transmitting unit 16.

Here, the mixed gas is a gas in which harmful gases generated in the livestock growing environment are mixed, and includes ammonia (NH 3 ), hydrogen sulfide (H 2 S), and the like as the main harmful gases.

The gas measuring unit 12 measures gas data of the noxious gas mixed from the mixed gas, and converts the measured gas data into a voltage value. Here, the gas measuring unit 12 may use a sensor array using a combination of various types of gas sensors to measure the corresponding harmful gas. Here, the gas measuring unit 12 may measure harmful gases, including MICS-5914, which is an ammonia gas sensor, and MICS-5135, which is a volatile organic compound sensor, according to one embodiment of the present invention.

MICS-5914 is a sensor for measuring ammonia gas. It uses a sensor of Micro Chemical Systems. It has a sensitivity measuring range of 0.1 ~ 100 [ppm] and the maximum applied voltage is 5V and the heating current is very low. 30 mA. The MICS-5135 is a sensor for measuring hydrogen sulfide gas, and has a sensitivity measuring range of 0.1 to 1000 [ppm]. The sensor has a maximum applied voltage of 5 V and a very low heating current of 32 mA.

Therefore, the gas measuring unit 12 uses a sensor array using a combination of various kinds of gas sensors, each sensor can measure the corresponding harmful gas and output a voltage value according to the gas concentration value.

The wireless transmitter 16 converts the voltage value of the gas data into the digital signal, and wirelessly transmits the digital signal to the sorting means 20. Accordingly, the apparatus for identifying harmful gases in the livestock growing environment of the present invention can provide an environment in which harmful gases can be measured and classified wirelessly by converting voltage values of data measured from harmful gases into digital signals.

The sensor driver 14 drives the sensor means 10 to control the operation of the lower component smoothly. Accordingly, the sensor driver 14 drives the gas measuring unit 12 to measure the gas data, and converts the gas data measured by the wireless transceiver into a digital signal and wirelessly transmits the gas data to the sorting means 20.

The classification means 20 receives the digital signal from the sensor means 10 and classifies the harmful gas by identifying the type and concentration of the harmful gas from the digital signal. The classification means 20 includes a radio receiver 22, a gas recognition classification unit 24, a database 26, and a control unit 28.

The wireless receiver 22 wirelessly receives the digital signal converted from the data value of the harmful gas measured by the sensor means 10. Therefore, the classification means 20 may receive and analyze the data of the harmful gas wirelessly. Therefore, the harmful gas identification device of the livestock growing environment of the present invention by wirelessly transmitting and receiving the data of measuring the harmful gas, it provides a environment that can be easily monitored centrally anywhere and safely monitor the harmful gas by configuring the network anywhere .

The gas recognition classification unit 24 is a means for identifying harmful gases and classifying and analyzing the types and concentrations of the harmful gases. According to an embodiment of the present invention, the gas recognition unit uses an algorithm for identifying a gas as learned data, and may identify and classify the type and concentration of harmful gas from the digital signal. The gas recognition classifier 24 classifies the gas through a purge max-min algorithm.

The database 26 stores various data of the noxious gas and the above algorithm for identifying the noxious gas.

The controller 28 drives the sorting means 20 to control the operation of the lower components smoothly. Accordingly, the controller 28 controls the wireless receiver 22 to wirelessly receive the digital signal, or the gas recognition classifier 24 to classify the type and concentration of gas from the digital signal.

2 is a flowchart illustrating a learning process of pattern recognition for gas classification by the gas recognition classification unit 24 of the apparatus for identifying harmful gases in the livestock growing environment according to the present invention.

The gas recognition classification unit 24 of the present invention may identify a noxious gas through a fuzzy max-minimum algorithm, and the fuzzy max-minimum algorithm is designed through a process of learning pattern recognition of noxious gases through noxious gas data.

Referring to FIG. 2, the fuzzy maximum-minimum algorithm of the gas recognition classifier 24 receives the learning data of the noxious gas to determine the class region, and obtains the maximum and minimum points of each class (S10, S12, S14). Here, the class is set according to the type of harmful gas, the minimum point is obtained by the intersection of the learning data belonging to each class area, and the maximum point is obtained by the union of the learning data.

In addition, the fuzzy maximum-minimum algorithm obtains a degree of classification (DOC) using minimum and maximum values, and identifies and classifies harmful gases by setting a category having the closest degree of belonging of the pattern data of the training data. (S16, S18).

Accordingly, the apparatus for identifying harmful gases in the livestock growing environment according to the present invention classifies gases through fuzzy maximum-minimum algorithm that can identify harmful gases with the learned data, thereby simplifying the calculation process and reducing the calculation time. Provide an environment.

3 is a flowchart illustrating a specific gas measurement and recognition classification process of the apparatus for identifying harmful gases in the livestock growing environment according to an embodiment of the present invention.

The harmful gas identification method of the livestock growing environment of the present invention includes a gas measuring step, a wireless transmission and reception step, and a gas recognition classification step.

The gas measuring step is a step in which the sensor means 10 measures the data of the noxious gas from the mixed gas, and converts the measured data into voltage values (S20).

The wireless transmission / reception step is a step of wirelessly transmitting and receiving the gas data from the sensor means 10 to the classification means 20. In the wireless transmission and reception step, the wireless transmission step of converting the voltage value of the data into a digital signal and wirelessly transmitting it to the classification means 20 and the wireless receiving the digital signal from the sensor means 10 by the classification means 20 wirelessly. And a receiving step (S22, S24, S26).

In the gas recognition classification step, the classification means 20 identifies and classifies the type and concentration of gas from the data. The gas recognition classification step is characterized in that to classify the gas through a purge maximum-minimum algorithm (S28).

Therefore, the apparatus for identifying harmful gases in the livestock growing environment of the present invention measures and transmits data of harmful gases in the livestock growing environment and wirelessly, and provides an environment capable of accurately identifying the type and concentration of gas.

4 is an experimental result of measuring the ammonia gas by the sensor means 10 of the noxious gas identification device of the livestock growing environment of the present invention, Figure 5 is the sensor means 10 of the noxious gas identification device of the livestock growing environment of the present invention It is an experimental result which measured this hydrogen sulfide gas, and FIG. 6 is the experimental result which the sensor means 10 of the harmful gas identification apparatus of the livestock growing environment of this invention measured the mixed gas of ammonia and hydrogen sulfide.

4 to 6, each of the figures is a test result measured by the harmful gas identification device of the livestock growing environment of the present invention by adjusting the gas concentration of ammonia and hydrogen sulfide and their mixed gas which is the main harmful gas. This shows that the gas measuring unit 12 of the sensor means 10 of the present invention can measure the corresponding harmful gases and their mixed gases by using a sensor array using a combination of various kinds of gas sensors.

7 is an experimental result of classifying means 20 of the noxious gas identification device of the livestock growing environment according to the present invention.

Referring to Figure 7, it shows that the classification means 20 of the present invention can identify the type and concentration of harmful gases from the data of measuring ammonia, hydrogen sulfide and their mixed gas. In addition, the gas recognition classifier 24 of the present invention can efficiently recognize and classify the data of measuring various types of harmful gases through the sensor array through the fuzzy maximum-minimum algorithm.

In the above, the configuration and operation of the apparatus for identifying harmful gases in the livestock growing environment according to the present invention are illustrated according to the detailed description and the drawings, which are merely described by way of example, and do not depart from the spirit of the present invention. Various changes and modifications are possible.

10: sensor means 12: gas measuring unit
14: sensor drive unit 16: wireless transmission unit
20: sorting means 22: wireless receiver
24: gas recognition classification section 26: database
28: control unit

Claims (8)

In the noxious gas identification device of livestock growing environment,
At least one sensor means disposed in a region where a mixed gas containing harmful gas is generated, measuring gas data from the mixed gas, converting the gas data into a digital signal, and wirelessly transmitting the digital signal; And
And a classification means for receiving the digital signal from the sensor unit at all times and identifying and classifying the type and concentration of the noxious gas from the digital signal. The method of claim 1,
The sensor means
A gas measuring unit measuring gas data from the mixed gas and converting the gas data into a voltage value;
A wireless transmitter converting the voltage value of the gas data into the digital signal and wirelessly transmitting the digital signal to the sorting means; And
And a sensor driver for driving the gas measuring unit to measure the gas data or the wireless transmitting unit to wirelessly transmit the digital signal to the sorting unit. The method of claim 2,
The sorting means
A wireless receiver for wirelessly transmitting the digital signal from the sensor means;
A gas recognition classification unit using an algorithm for identifying a gas with the learned data and identifying and classifying a type and a concentration of harmful gas from the digital signal; And
And a controller configured to control the wireless receiver to wirelessly receive the digital signal, or to control the gas recognition classifier to classify the type and concentration of the harmful gas from the digital signal. . The method of claim 3,
The gas recognition classification unit
Harmful gas identification device of livestock growing environment, characterized in that to classify the harmful gas through the fuzzy maximum-minimum algorithm. The method according to claim 6,
The gas measuring unit
An apparatus for identifying harmful gases in a livestock growing environment, comprising measuring the mixed gas including ammonia gas sensor MICS-5914 and a volatile organic compound sensor MICS-5135. A gas measuring step of the sensor means measuring gas data from the mixed gas containing noxious gas, and converting the gas data into a voltage value;
A wireless transmission / reception step of wirelessly transmitting and receiving the gas data from the sensor means to the classification means; And
And a gas classifying step of classifying means for identifying and classifying the type and concentration of the noxious gas from the data. The method according to claim 6,
The wireless transmission and reception step
A wireless transmission step of converting the voltage value of the gas data into a digital signal and wirelessly transmitting the digital signal to the classification means; And
And a wireless reception step of the classification means receiving the digital signal wirelessly from the sensor means. The method according to claim 6,
The gas recognition classification step
Hazardous gas identification method in livestock growing environment, characterized in that to classify the harmful gas through the fuzzy maximum-minimum algorithm.
KR1020120023958A 2012-03-08 2012-03-08 Harmful gase discernment device of livestock barn and, the discernment method KR20130102823A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931657A (en) * 2015-06-18 2015-09-23 韩云国 Airborne toxic gas detecting device for western medicine production
KR20200022117A (en) 2018-08-22 2020-03-03 (주)이지정보기술 forecast and warning information providing system and method for Harmful work environment using big data analysis
KR20210041954A (en) 2019-10-08 2021-04-16 (주)이지정보기술 System and method for providing harmful environment notification service through collection and analysis of working environment information and biometrics information of workers
KR20230013481A (en) 2021-07-19 2023-01-26 (주)이지정보기술 Greenhouse risk monitoring system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931657A (en) * 2015-06-18 2015-09-23 韩云国 Airborne toxic gas detecting device for western medicine production
KR20200022117A (en) 2018-08-22 2020-03-03 (주)이지정보기술 forecast and warning information providing system and method for Harmful work environment using big data analysis
KR20210041954A (en) 2019-10-08 2021-04-16 (주)이지정보기술 System and method for providing harmful environment notification service through collection and analysis of working environment information and biometrics information of workers
KR20230013481A (en) 2021-07-19 2023-01-26 (주)이지정보기술 Greenhouse risk monitoring system

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