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WO2015156579A1 - Système d'extinction d'incendie doté d'une fonction de blocage d'alimentation de poêle, et procédé de prévention des incendies à l'aide de celui-ci - Google Patents

Système d'extinction d'incendie doté d'une fonction de blocage d'alimentation de poêle, et procédé de prévention des incendies à l'aide de celui-ci Download PDF

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Publication number
WO2015156579A1
WO2015156579A1 PCT/KR2015/003472 KR2015003472W WO2015156579A1 WO 2015156579 A1 WO2015156579 A1 WO 2015156579A1 KR 2015003472 W KR2015003472 W KR 2015003472W WO 2015156579 A1 WO2015156579 A1 WO 2015156579A1
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WO
WIPO (PCT)
Prior art keywords
stove
unit
set temperature
range
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2015/003472
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English (en)
Korean (ko)
Inventor
박광식
김영명
김영하
조운용
김경구
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pnc Technologies Co Ltd
Posco Engineering and Construction Co Ltd
Original Assignee
Pnc Technologies Co Ltd
Posco Engineering and Construction Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pnc Technologies Co Ltd, Posco Engineering and Construction Co Ltd filed Critical Pnc Technologies Co Ltd
Publication of WO2015156579A1 publication Critical patent/WO2015156579A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to an automatic fire extinguishing device having an electric shutoff function and a fire prevention method using the same, and more particularly, a blocking function for preventing fire by blocking electricity or gas supplied to a stove installed in a home for cooking food.
  • a fire extinguisher is provided in a building in preparation for a fire by a fire fighting method.
  • a fire extinguisher not only the user has to purchase a fire extinguisher separately, but also a user must operate the fire extinguisher to extinguish the extinguishing agent. Occurs, there is a problem that becomes useless when there is no one to operate.
  • an automatic fire extinguishing system (system) that automatically injects extinguishing agents in the event of a fire. That is, the automatic fire extinguishing device uses a temperature sensor for detecting a high temperature generated in a fire and a smoke signal for detecting a smoke generated in a fire to drive a fire extinguisher in the event of a fire to inject a fire extinguishing agent into the area where the fire occurs. It was.
  • the conventional automatic fire extinguishing device is difficult to check the state of each sensor, fire extinguisher, etc.
  • the meter reader periodically checks the state of each sensor and fire extinguisher. Accordingly, the cost for the maintenance of the automatic fire extinguishing device and the fire prevention method using the same increases, there is a problem that can not extinguish the fire even when the fire is not properly checked.
  • a stove for example, an electric stove, a gas stove
  • stoves provide the convenience of living, they are a major source of fires in homes. That is, when the user leaves the seat for a long time while driving the stove during cooking of food requiring long cooking, food in the cooking container is simmered and all of the moisture is evaporated. Accordingly, even when the temperature of the cooking vessel is sharply increased, the ignition state of the stove is continuously maintained, thereby increasing the possibility of a fire.
  • the present invention has been proposed to solve the above-mentioned conventional problems, the automatic fire extinguishing device having an electric shutoff function to cut off the electricity or gas supplied to the stove when the temperature of the stove is maintained above the set temperature. And it aims to provide a fire prevention method using the same.
  • an automatic fire extinguishing device having an electric shutoff function includes: an arc detecting unit detecting whether a flame of a stove is generated; A stove temperature detector for detecting a flame temperature of the stove when the arc detector detects a flame of the stove; A time measuring unit measuring a set temperature holding time when the stove temperature detected by the temperature detecting unit is equal to or higher than the set temperature; A control unit for generating a range driving cutoff signal when the set temperature holding time measured by the time measuring unit exceeds the set time; And a blocking unit to block driving of the range when the range driving block signal is generated by the controller.
  • the apparatus may further include a reference setting unit configured to set the set temperature holding time as a criterion for determining whether to start measurement or not, and the set time as a criterion for determining whether or not a driving cutoff signal is generated.
  • a reference setting unit configured to set the set temperature holding time as a criterion for determining whether to start measurement or not, and the set time as a criterion for determining whether or not a driving cutoff signal is generated.
  • the input unit may further include an input unit configured to receive an initialization signal for initializing the set temperature holding time.
  • the time measuring unit initializes the set temperature holding time when the initialization signal is input from the input unit, and then measures the set temperature holding time again.
  • the user sensing unit may further include a user sensing unit configured to generate a user sensing signal when sensing a user located near the range, and the input unit may process an input of an initialization signal when the user sensing signal is generated.
  • a fire prevention method using an automatic fire extinguishing device having an electric shutoff function includes: setting a set temperature and a set time by a reference setting unit; Detecting, by the arc detector, whether a flame of the stove is generated; Detecting, by the stove temperature detector, a stove temperature of the stove when detecting the flame of the stove in the step of detecting whether the flame is generated; Measuring, by the time measuring unit, a set temperature holding time when the detected stove temperature is greater than or equal to the set temperature set in the setting step; Generating, by the control unit, a range driving cutoff signal when the set temperature holding time measured in the measuring of the set temperature holding time exceeds the set time set in the setting step; And blocking, by the blocking unit, driving of the range when the range driving cutoff signal is generated in the step of generating the range driving cutoff signal.
  • the measuring of the set temperature holding time may include: receiving, by an input unit, an initialization signal for initializing the set temperature holding time; Initializing, by the time measuring unit, a set temperature holding time under measurement when an initialization signal is input in a step of receiving an initialization signal; And remeasuring the set temperature holding time by the time measuring unit.
  • the measuring of the holding time may further include generating a user sensing signal when the user sensing unit detects a user located near the stove.
  • the user sensing signal is input by the input unit. If the user detection signal is generated in the step of generating a process as an input of the initialization signal.
  • an automatic fire extinguishing device having a stove driving blocking function and a fire prevention method using the same block the electric or gas supplied to the stove when the temperature of the stove is maintained at a set temperature or more for a predetermined time, thereby reducing the range of the stove and the stove.
  • an automatic fire extinguishing device having a stove driving blocking function and a fire prevention method using the same initialize the set temperature holding time by inputting a user detection or initialization signal while measuring the set temperature holding time while the temperature of the stove is higher than the set temperature.
  • FIG. 1 and 2 is a view for explaining an automatic fire extinguishing device having an electrical shutdown function according to an embodiment of the present invention.
  • 3 and 4 are views for explaining the blocking unit of FIG.
  • FIG. 5 is a flowchart illustrating a fire prevention method using an automatic fire extinguishing device having an electric shutoff function according to an embodiment of the present invention.
  • FIG. 6 is a flowchart for explaining a step of measuring a set temperature holding time of FIG. 5;
  • FIG. 1 and 2 are views for explaining an automatic fire extinguishing device having an electric shutoff function according to an embodiment of the present invention
  • Figures 3 and 4 are views for explaining the blocking unit of FIG.
  • the automatic fire extinguishing device (hereinafter referred to as automatic fire extinguishing device) having a stove driving blocking function is configured to include a plurality of devices installed in a specific space (ie, a kitchen) in which a stove is installed, and a stove (ie, a gas stove, electricity (induction)). If the temperature of the stove is maintained above the set temperature for more than the set time, the stove is blocked to prevent the fire from occurring. Along with this, the automatic fire extinguishing device generates an alarm to detect fire and gas leakage, and extinguish a fire when a fire occurs. To this end, as shown in FIG.
  • the automatic fire extinguishing device 100 includes a reference setting unit 105, a user detecting unit 110, an input unit 115, an arc detecting unit 120, and a stove temperature detecting unit 125. ), Including a time measuring unit 130, a space temperature detecting unit 135, a gas detecting unit 140, a control unit 145, a blocking unit 150, a fire extinguishing unit 155, an output unit 160 do.
  • each configuration of the automatic fire extinguishing device 100 is configured as a separate device, each installed in a specific space (that is, a kitchen), or a combination of the configuration is composed of a plurality of devices or a single device is composed of a specific space (that is , Kitchen).
  • the automatic fire extinguishing device 100 includes an input unit 115, a user detecting unit 110, a gas detecting unit 140, a blocking unit 150, a fire extinguishing unit 155, and an output.
  • Each unit 160 is configured as an independent device, and the reference setting unit 105, the time measuring unit 130, and the control unit 145 are combined to form a single device, and the arc detector 120 and the stove temperature sensing unit.
  • the unit 125 and the space temperature sensor 135 may be combined to constitute a single device, and may include a total of eight independent devices.
  • the reference setting unit 105 sets setting values used as reference values to determine whether to perform the range driving blocking function.
  • the reference setting unit 105 sets the setting values including the set temperature and the set time by using a numerical value input from the user or the manufacturer.
  • the set temperature is a value used as a reference value for determining whether to start measurement of the set temperature holding time
  • the set time is a value used as a reference value for determining whether a driving cutoff signal of the range is generated.
  • the user detector 110 detects a user located near the stove. That is, the user detection unit 110 is composed of a sensor such as an infrared sensor, an optical sensor, a thermal sensor installed in the vicinity of the stove, and detects a user located near the stove. If the user detector 110 detects a user in the vicinity of the stove, the user detector 110 generates a user detection signal and transmits the detected signal to the input unit 115.
  • a sensor such as an infrared sensor, an optical sensor, a thermal sensor installed in the vicinity of the stove, and detects a user located near the stove. If the user detector 110 detects a user in the vicinity of the stove, the user detector 110 generates a user detection signal and transmits the detected signal to the input unit 115.
  • the input unit 115 receives an initialization signal for initializing the set temperature holding time.
  • the input unit 115 receives an initialization signal from the user through a touch panel, a button, voice recognition, or the like.
  • the input unit 115 may process the input signal as an initialization signal.
  • the input unit 115 transmits the input initialization signal to the time measuring unit 130.
  • the input unit 115 may receive operation information for controlling the driving of the automatic fire extinguishing device 100. That is, the input unit 115 may be a user detector 110, an arc detector 120, a stove temperature detector 125, a space temperature detector 135, a gas detector 140, and a blocker 150 from a user. ), Operation information for driving or stopping the fire extinguishing unit 155 and the output unit 160 is received. The input unit 115 transmits the input operation information to the control unit 145.
  • the arc detector 120 detects whether a flame of the stove occurs. That is, the arc detector 120 is installed near the stove to detect the flame generated from the stove. At this time, the arc detector 120 detects a flame generated from the crater of the gas stove, or generates a flame generation signal and transmits it to the stove temperature detector 125 when it detects light generated from the crater of the electric stove.
  • the stove temperature detector 125 is installed around the stove and detects the temperature of the stove based on whether the arc detector 120 detects a flame. That is, when the stove temperature detector 125 detects the flame of the stove by the arc detector 120, it determines that the stove is driven and senses the stove temperature. Here, the stove temperature detector 125 detects the temperature of the stove itself or the temperature of the cooking vessel placed on the stove as a stove temperature. The stove temperature detector 125 detects the stove temperature at predetermined intervals and transmits the detected stove temperature to the time measuring unit 130.
  • the time measuring unit 130 measures the set temperature holding time based on the stove temperature detected by the stove temperature detecting unit 125 and the set temperature set by the reference setting unit 105. That is, the time measuring unit 130 starts the measurement of the set temperature holding time when the range temperature detected by the range temperature sensing unit 125 is equal to or higher than the set temperature. The time measuring unit 130 transmits the measured set temperature holding time to the control unit 145.
  • the time measuring unit 130 When the time measuring unit 130 receives the initialization signal from the input unit 115, the time measuring unit 130 initializes the set temperature holding time under measurement. That is, when the time measuring unit 130 receives the initialization signal from the input unit 115 while measuring the set temperature holding time, the time measuring unit 130 initializes the measured set temperature holding time to '0'. The time measuring unit 130 resumes the measurement of the set temperature holding time if the stove temperature is higher than the set temperature even after the initialization is completed. The time measuring unit 130 transmits the measured set temperature holding time to the control unit 145.
  • the space temperature detector 135 detects heat generated by a fire (ie, high temperature). That is, the space temperature detection unit 135 is installed at a location where a fire is likely to occur, such as a hood of a sink in which a stove is installed, and detects heat generated in a fire. At this time, the space temperature detector 135 generates a multi-step fire detection signal according to a preset temperature range setting value. For example, the space temperature detector 135 generates a primary signal that is a preliminary fire signal when a temperature of 100 ° C. or more, which is the first temperature range setting value, is detected, and a temperature of 140 ° C. or more, which is the second temperature range setting value, is generated. If detected, it generates a second signal, which is a fire signal.
  • a fire ie, high temperature
  • the gas detector 140 detects a gas in a specific space. That is, the gas detector 140 is installed in a space in which a device using a gas is installed, such as a kitchen ceiling or a boiler room, and detects a gas leaking from the corresponding device. For example, the gas detector 140 detects a leak of LNG by a contact combustion detection method, and generates a gas leak signal when the gas concentration in a specific space is about 0.06% to 1.25%, which is a gas leakage set value.
  • the gas detector 140 may be excluded from the configuration.
  • the controller 145 generates the range driving cutoff signal based on the set temperature holding time measured by the time measuring unit 130 and the set time set by the reference setting unit 105. That is, the controller 145 generates the range driving cutoff signal when the set temperature holding time received from the time measuring unit 130 exceeds the set time.
  • the controller 145 transmits the generated range driving blocking signal to the blocking unit 150.
  • the controller 145 determines whether a fire has occurred based on the detection signal from the space temperature sensor 135. At this time, the control unit 145 determines the preliminary fire when receiving the primary signal from the space temperature sensing unit 135 generates a fire alarm signal, and when receiving the secondary signal determines the fire occurrence and generates a fire occurrence signal. . The controller 145 transmits the generated fire alarm signal or fire occurrence signal to the output unit 160.
  • the controller 145 when receiving the secondary signal, the controller 145 generates a stove driving cutoff signal and a fire extinguishing driving signal together with a fire generation signal. That is, the control unit 145 generates the stove driving blocking signal to block the driving of the stove, and generates a fire extinguishing driving signal to drive the fire extinguishing unit 155 to extinguish the fire. At this time, the control unit 145 transmits the generated stove driving blocking signal to the blocking unit 150, and transmits a fire extinguishing driving signal to the fire extinguishing unit 155.
  • the controller 145 determines that the gas is leaked and generates a range driving stop signal and a gas leakage signal.
  • the controller 145 transmits the range driving cutoff signal to the cutoff unit 150, and transmits the gas leakage signal to the output unit 160.
  • the control unit 145 detects the current state of the fire extinguishing facilities. That is, the controller 145 detects the current state through signal transmission and reception with the fire extinguishing facilities such as the space temperature detector 135, the gas detector 140, the cutoff 150, and the fire extinguishing unit 155. The controller 145 transmits the detected current status of the fire extinguishing facilities to the output unit 160.
  • the controller 145 controls the driving of the automatic fire extinguishing device 100 based on the operation information received from the input unit 115. That is, the controller 145 is based on the operation information received from the input unit 115, the user detector 110, the arc detector 120, the stove temperature detector 125, the space temperature detector 135, gas
  • the sensing unit 140, the blocking unit 150, the fire extinguishing unit 155, and the output unit 160 are driven or stopped.
  • the blocking unit 150 blocks the driving of the range when the blocking driving block signal is received from the control unit 145.
  • the blocking unit 150 is composed of a gas circuit breaker installed in the gas supply pipe connected to the stove, or a power circuit breaker installed in the power line connected to the stove.
  • the blocking unit 150 cuts off the gas or power supplied to the range to block driving of the range.
  • the blocking unit 150 is disposed between the power line 220 and the outlet 320 connected to the stove 200.
  • the control signal of the controller 145 is generated, the connection of the power line 220 and the outlet 320 is blocked to block driving of the range 200.
  • the blocking unit 150 may include a control signal (for example, a stove driving blocking signal and a fire generation signal) of the controller 145.
  • a control signal for example, a stove driving blocking signal and a fire generation signal
  • the gas is supplied to the stove 200 through the gas supply pipe 340 to block the driving of the stove 200.
  • Fire extinguishing unit 155 to extinguish the fire by releasing the built-in extinguishing agent in accordance with the control signal of the control unit 145 when the fire occurs. That is, the fire extinguishing unit 155 extinguishes the fire by discharging the built-in fire extinguishing agent through the discharge port to the fire occurrence position when the control signal according to the fire detection is generated in the control unit 145.
  • the fire extinguishing unit 155 has about 0.8L of reinforcing liquid (K2CO3) embedded as a fire extinguishing agent, and when a control signal is generated, the fire extinguishing agent is discharged through the discharge port and discharged to an area of about 0.04 m 2. Digest.
  • the output unit 160 receives and displays current state information of the fire extinguishing facilities from the control unit 145. That is, the output unit 160 includes a reference setter 105, a user detector 110, an arc detector 120, a stove temperature detector 125, a space temperature detector 135, and a gas detector 140. ), And outputs state information of the fire extinguishing facilities such as the blocking unit 150 and the fire extinguishing unit 155 from the control unit 145. At this time, the output unit 160 receives the status information from the control unit 145 through a communication device such as LAN, RS-232, and displays the current status of each fire extinguishing equipment through the flashing of lamps, LEDs, color change, etc. do.
  • a communication device such as LAN, RS-232
  • the fire alarm is generated through lamp flashing, alarm screen (text, image) output, alarm sound generation, and the like. Fire, gas and gas leaks are indicated.
  • FIG. 5 is a flowchart illustrating a fire prevention method using an automatic fire extinguishing device having an electric shutoff function according to an embodiment of the present invention
  • FIG. 6 is a flowchart illustrating a step of measuring a set temperature holding time of FIG. 5. .
  • the reference setting unit 105 sets a set temperature and a set time (S100).
  • the reference setting unit 105 sets a set temperature used as a reference value for determining whether to start measurement of the set temperature holding time, and a set time used as a reference value for determining whether a driving cutoff signal of the range is generated. At this time, the reference setting unit 105 sets the set temperature and the set time using a value input from the user or manufacturer.
  • the arc detector 120 detects whether a flame of the stove occurs. At this time, the arc detector 120 detects the flame generated from the crater of the gas stove, or detects the light generated from the crater of the electric stove. When the arc detector 120 detects the flame of the stove (S200; yes), the stove temperature detector 125 detects the stove temperature of the stove (S300). At this time, the stove temperature detection unit 125 detects the temperature of the stove itself or the temperature of the cooking vessel placed on the stove as a stove temperature. The stove temperature detector 125 detects the stove temperature at predetermined intervals.
  • the time measuring unit 130 measures the set temperature holding time (S500). That is, the time measuring unit 130 starts the measurement of the set temperature holding time when the stove temperature detected in step S300 is equal to or higher than the set temperature. This will be described in more detail with reference to FIG. 4.
  • the time measuring unit 130 measures the set temperature holding time (S510), and the user detecting unit 110 detects a user located near the stove (S530). In this case, the user detector 110 generates a user detection signal when the user senses the vicinity of the stove.
  • the input unit 115 receives an initialization signal. At this time, the input unit 115 directly receives the initialization signal from the user, or if the user detection signal is generated in step S530 processes as an input of the initialization signal.
  • the time measuring unit 130 When the initialization signal is input (S550; yes), the time measuring unit 130 initializes the set temperature holding time under measurement (S570). That is, when the time measuring unit 130 receives the initialization signal from the input unit 115 while measuring the set temperature holding time, the time measuring unit 130 initializes the measured set temperature holding time to '0'.
  • the time measuring unit 130 resumes the measurement of the set temperature holding time even after the initialization is completed (S590).
  • step S500 If the set temperature holding time measured in step S500 exceeds the set time (S600; yes), the controller 145 blocks the driving of the range (S700). That is, the controller 145 generates the range driving cutoff signal when the set temperature holding time received from the time measuring unit 130 exceeds the set time. The controller 145 transmits the generated range driving blocking signal to the blocking unit 150. Accordingly, the blocking unit 150 cuts off the gas or power supplied to the range to block driving of the range.
  • an automatic fire extinguishing device having a stove driving blocking function and a fire prevention method using the same may cut off electricity or gas supplied to the stove when the temperature of the stove is maintained above the set temperature for longer than the set time. There is an effect that can prevent the occurrence of fire due to overheating of the cooking vessel placed on.
  • an automatic fire extinguishing device having a stove driving blocking function and a fire prevention method using the same initialize the set temperature holding time by inputting a user detection or initialization signal while measuring the set temperature holding time while the temperature of the stove is higher than the set temperature.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Fire Alarms (AREA)

Abstract

L'invention concerne un système automatique d'extinction d'incendie possédant une fonction de blocage d'électricité capable de bloquer l'électricité ou le gaz fourni à un poêle lorsque la température du poêle est maintenue dans l'état d'au moins une température de consigne pendant au moins un temps défini, et un procédé de prévention d'incendie l'utilisant. Le système automatique d'extinction d'incendie fourni détecte la température d'un poêle lors de la détection d'étincelles provenant du poêle, mesure un temps de maintien de température de consigne lorsque la température détectée du poêle est au moins la température de consigne, et bloque l'alimentation du poêle en produisant un signal de blocage d'alimentation de poêle lorsque le temps de maintien de température de consigne mesuré dépasse le temps défini.
PCT/KR2015/003472 2014-04-07 2015-04-07 Système d'extinction d'incendie doté d'une fonction de blocage d'alimentation de poêle, et procédé de prévention des incendies à l'aide de celui-ci Ceased WO2015156579A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0041112 2014-04-07
KR1020140041112A KR101584793B1 (ko) 2014-04-07 2014-04-07 렌지 구동 차단 기능을 갖는 자동 소화 장치 및 이를 이용한 화재 예방 방법

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WO2015156579A1 true WO2015156579A1 (fr) 2015-10-15

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KR102173033B1 (ko) * 2020-03-10 2020-11-03 주식회사 창성에이스산업 주거용 주방소화 시스템
KR102575516B1 (ko) * 2023-01-18 2023-09-06 삼우금속개발(주) 과열감지 및 자리비움 감지를 통한 열원 제어 방법 및 그 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001090952A (ja) * 1999-09-22 2001-04-03 Osaka Gas Co Ltd ガスコンロ
KR20100085455A (ko) * 2009-01-20 2010-07-29 동양매직 주식회사 가스레인지 및 그 제어 방법
KR20120051474A (ko) * 2010-11-12 2012-05-22 린나이코리아 주식회사 상판 유리 파손 방지를 위한 가스 레인지의 안전제어방법
KR20120053581A (ko) * 2010-11-18 2012-05-29 린나이코리아 주식회사 가스 레인지의 불꽃 자동 조절방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001090952A (ja) * 1999-09-22 2001-04-03 Osaka Gas Co Ltd ガスコンロ
KR20100085455A (ko) * 2009-01-20 2010-07-29 동양매직 주식회사 가스레인지 및 그 제어 방법
KR20120051474A (ko) * 2010-11-12 2012-05-22 린나이코리아 주식회사 상판 유리 파손 방지를 위한 가스 레인지의 안전제어방법
KR20120053581A (ko) * 2010-11-18 2012-05-29 린나이코리아 주식회사 가스 레인지의 불꽃 자동 조절방법

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