KR20060129774A - Remote control system and the method for the ventilation device internal type - range hood and automatic extinguisher - Google Patents

Abstract

A remote control system of a kitchen range hood having a ventilation device and an automatic extinguisher therein and a method thereof are provided to automatically block gas supply as soon as a warning sound is generated in case of gas leakage. A temperature sensor(2) senses peripheral temperature of a range hood. A pollution detection sensor(3) detects concentration of indoor air. A gas leakage detection sensor(4) detects concentration of gas leaking in the air. A communication interface inputs remote control information on apparatuses, which includes a password delivered through a telephone line(5), and delivers gas leakage or fire alarm information to a user telephone(6). A microcomputer(12) inputs a lot of information sent from the telephone(6) and a switch input signal of an operator and display(11) by including information detected from each sensor, and performs a control program. A gas breaker driver drives a gas breaker(13). A fire extinguisher driver operates a fire extinguisher(15) during fire so that fluids can be sprayed to a cooking equipment in order to put out a fire. A ventilation device driver drives a ventilation device. A warning sound generator generates a warning sound in case of fire or gas leakage.

Description

Remote control system and the method for the ventilation device internal type-range hood and automatic extinguisher}

1 is a schematic structural diagram of a system of the present invention;

2 is a block diagram of a system of the present invention;

Figure 3 is a front view of the installation state of the system of the present invention.

Figure 4 is a side view of the installation state of the system of the present invention.

5 is a plan view of the operation and display unit of the present invention system.

6 is a flowchart for explaining the method of the present invention.

Explanation of symbols on main parts of drawing

1: Range hood body 2: Temperature sensor

3: Pollution Degree Detection Sensor 4: Gas Leakage Detection Sensor

5 telephone line 6 telephone

7: communication interface unit 8: time setting switch

9: various status display unit 10: manual control switch

11: operation and display unit 12: microcomputer

13 gas breaker 14 gas breaker driving unit

15: fire extinguisher 16: injection nozzle

17: fire extinguisher driving unit 18: cooking appliance

19: ventilation device 20: ventilation device drive unit

21: alarm sound generator 22: gas circuit breaker status signal generator

The present invention relates to a remote control system and a method of a kitchen hood with a built-in automatic fire extinguisher and a ventilator, and more particularly, to the automatic gas circuit breaker lock and alarm when gas leaks into the kitchen range hood with a built-in automatic fire extinguisher and a ventilator, Initial fire extinguishing function when fire occurs, function to shut off gas breaker through remote control using telephone from outside, and to inform various places to remote location, control function of gas breaker using timer, automatic ventilation function by detecting pollution of indoor air And through the function of notifying the opening / closing of the gas circuit breaker by voice, it generates an alarm sound when gas leakage and at the same time automatically shuts off the gas supply to prevent the occurrence of safety accidents due to gas leakage. In the event of a fire, the initial extinguishing through the operation of an automatic fire extinguisher It is possible to prevent damages as well as property damages, and when the cooker is operated due to carelessness, the gas breaker can be prevented by using a telephone from the outside to prevent fire due to overheating. Of course, if a gas leak or fire occurs, the remote site can immediately recognize it and take necessary measures, and if necessary, the gas circuit breaker will automatically shut off after a predetermined time set by the timer, thus preventing fire from overheating. It is possible to prevent unnecessary gas consumption at the same time and to prevent unnecessary gas consumption.Also, automatic ventilation is performed according to the pollution level of indoor air, so it is possible to maintain a comfortable indoor environment at all times. It is to be able to recognize the state) accurately.

In general, the range hood for the kitchen is installed in the kitchen and used to prevent the air pollution in the kitchen by discharging the combustion gas, food smell, water vapor, etc. generated during the cooking of food in the kitchen to the outside through the ventilator.

The ventilation device of the range hood for the kitchen is provided with an intake vent on the side wall corresponding to the upper surface of the cooking appliance, the exhaust fan is provided therein and is composed of an exhaust port connected to the exhaust fan to discharge to the outside.

The kitchen range hood installed as described above operates the kitchen cooking appliance primarily to cook food, and is secondarily ventilated by the user to discharge the cooking cooking smell and smoke generated when the food is first operated. Will be activated.

In addition, an automatic fire extinguisher is installed to prepare for a fire in a place exposed to a fire risk, such as a kitchen or a kitchen counter in a home.

In addition, the injection nozzle of the automatic fire extinguisher is installed by being attached to the bottom portion of the range hood of the worktop so as to face a cooking device having a high ignition possibility.

In addition, the fire extinguisher is installed to automatically detect the fire and to extinguish the fire by injecting the extinguishing fluid of the fire extinguisher at the initial stage, at the same time automatically close the gas circuit breaker of the fuel pipe, ring the fire alarm, etc. .

That is, the fire extinguisher main body equipped with a fire extinguisher operation box mounted on the fire extinguisher and the fire extinguisher head is located above the range hood installed to discharge the smell and smoke generated when cooking food.

In the lower part, a connecting pipe for transporting the extinguishing liquid in the fire extinguisher through the spray nozzle connecting member is generally provided at one end of the connecting pipe and the spray nozzle connecting member, and intermittently intermittently rotates the spray nozzle connecting member by mutual coupling. An automatic fire extinguisher is provided, which is composed of a sphere and an injection nozzle for injecting extinguishing liquid transferred through the connecting pipe.

In addition, a temperature sensor for detecting a fire is installed at the bottom of the range hood to control the driving of the fire extinguisher operation box by receiving the signal of the temperature sensor, and outputs fire information to an alarm to lock the gas circuit breaker. A control unit having a microprocessor is installed in the housing.

The gas circuit breaker and the alarm are installed on the outer wall or the inner wall of the kitchen, the operation is installed in a location that is easy to identify.

Therefore, when a fire occurs from the cooking appliance, when the temperature sensor detects a flame and sends a signal to the microprocessor of the controller, the gas breaker automatically operates to lock the gas, and outputs information to activate the alarm.

And, outputting the information to operate the operation box installed on the upper extinguisher to transfer the extinguishing liquid stored in the interior of the extinguisher through the connecting pipe, the extinguishing liquid transferred through the connecting pipe is sprayed by the injection nozzle By extinguishing fire

Therefore, in the conventional range hood equipped with an automatic fire extinguisher and a ventilation device, only the function of the initial fire extinguishing is automatically made when a fire occurs, and the ventilation is performed manually in response to the user's intention, so it is not always possible to maintain a comfortable indoor environment. Men who are inexperienced in cooking or students have forgotten the operation of the kitchen range hood during cooking and cooking, causing contamination of indoor air.

In addition, it is not possible to automatically shut off the gas supply by detecting this when the gas is leaked, and there is no function of notifying the gas leak to prevent the occurrence of a safety accident due to the gas leak.

In addition, there is no remote control function and remote notification function, so when the user inadvertently operates the cooker and goes out, the gas circuit breaker cannot be shut off from the outside, preventing fire due to overheating. Of course, when a gas leak or fire occurs, it cannot be immediately recognized remotely and take necessary measures.

In addition, there is no gas blocking function through the timer, so when the user leaves the cooking equipment for a long time, the fire caused by overheating cannot be prevented in advance, and unnecessary gas consumption cannot be prevented. There is a problem that there is no notification of the state of supply at all, the user can not know at all what the current state of the gas circuit breaker.

The present invention has been made in order to solve such a conventional problem, it is possible to prevent the occurrence of safety accidents due to gas leakage by automatically shutting off the gas supply at the same time the alarm sound is generated when the gas leaks, and In the event of a fire, an automatic fire extinguisher is activated to prevent initial damages and property damage due to large fires. It can cut off the gas supply by operating the gas breaker to prevent fire due to overheating, and if a gas leak or fire occurs, the remote site can immediately recognize it and take necessary measures. Overheating because the gas circuit breaker automatically shuts off after the time set by the timer It is possible to prevent the fire caused by fire at the same time and to prevent unnecessary gas consumption, and the ventilation is automatically performed according to the pollution level of the indoor air, so that a comfortable indoor environment can be maintained at all times. It is an object of the present invention to provide a remote control system and method for an automatic fire extinguisher and a built-in kitchen range hood capable of accurately recognizing a condition.

The present invention for achieving the above object is a temperature sensor installed on the bottom of the range hood body for sensing the temperature; A pollution detection sensor installed at the bottom of the range hood main body to detect concentration of indoor air; A gas leak detection sensor installed at a ceiling of the room and detecting a gas leak; A communication interface unit for receiving the remote control data transmitted through the telephone line as well as transferring gas leakage or fire occurrence information to the remote user's telephone through the telephone line; An operation and display unit provided with a time setting switch for allowing a user to arbitrarily set the cutoff time of the gas circuit breaker, various state display units, and a gas circuit breaker manual control switch; A microcomputer that performs overall control functions of the system by receiving input signals of the manipulation and display unit and information transmitted from the telephone including information detected by the respective sensors and executing a control program stored in the apparatus; A gas circuit breaker driver configured to drive a gas circuit breaker installed in a fuel pipe indoor or outdoor under the control of the microcomputer; A fire extinguisher drive unit configured to operate a fire extinguisher installed under the control of the microcomputer so that the spray nozzle is located at the bottom of the range hood so that the extinguishing liquid is sprayed to the cooking appliance through the spray nozzle; A ventilator drive unit configured to drive a ventilator installed in a range hood having a configuration consisting of an exhaust fan and an intake fan under the control of the microcomputer; An alarm sound generator configured to generate an alarm sound when a gas leak or fire occurs under the control of the microcomputer; And a gas circuit breaker state signal generator to notify an open or closed state of the gas circuit breaker by a voice signal under the control of the microcomputer.

In addition, the present invention method for achieving the above object, whether the leakage of gas in the microcomputer, whether the ambient temperature is raised by a certain temperature (A ℃) or more, whether the pollution degree of the indoor air or more than a predetermined value (X), the user Sequentially detecting whether the closing time of the gas circuit breaker is set and whether the remote control mode by the telephone is selected;

As a result of the above detection, if it is recognized that the gas concentration in the air is detected above a certain concentration (for example, LNG: 0.06-1.25%), close the gas circuit breaker, generate an alarm sound, and at the same time, Performing automatic dialing to automatically send gas leak information;

As a result of the above detection, if the ambient temperature of the range hood is above a certain temperature (A ° C), a preliminary fire alarm is sounded and at the same time, the gas circuit breaker is closed and the ambient temperature is continuously detected. Generating an alarm sound according to a fire occurrence and operating an automatic fire extinguisher to perform fire extinguishing and automatically transmitting fire occurrence information by automatically dialing a user telephone;

Driving the ventilation apparatus until the pollution degree is less than the predetermined value (X) if the detected indoor air pollution degree of the range hood is greater than or equal to the predetermined value (X);

Automatically shutting off the gas circuit breaker after the user's reservation time has elapsed if the closing time of the gas circuit breaker is set by the user as a result of the detection;

When the user detects the call from a remote place and enters a password and then transmits a control code for a specific device, decrypting the code to inform or block the operation status of the device; do.

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

Figure 1 shows a schematic configuration diagram of the system of the present invention, Figure 2 shows a block diagram of the system of the present invention, Figure 3 shows a front view of the installation state of the system of the present invention, Figure 4 is an installation of the system of the present invention The state side view is shown, and FIG. 5 is the top view of the operation and display part of the system of this invention.

According to the present invention, the system includes: a temperature sensor (2) installed at the bottom of the range hood body (1) for sensing the ambient temperature of the range hood;

A pollution degree detecting sensor (3) installed at the bottom of the range hood body (1) for detecting the concentration of indoor air;

A gas leak detection sensor 4 installed at a ceiling of the room and detecting a concentration of gas leaked into the air;

Receives remote control information about devices including passwords transmitted through telephone line 5 and communicates gas leakage or fire occurrence information to remote user phone 6 through telephone line 5. An interface unit 7;

An operation and display unit provided with a time setting switch 8 for allowing a user to arbitrarily set the interruption time of the gas circuit breaker 13, various state display units 9, and a manual control switch 10 of the gas circuit breaker 13 ( 11);

Including the information detected by the respective sensors, the switch input signal of the operation and display unit 11 and various information transmitted from the telephone 6 are inputted, and the control program stored in itself is executed to perform the overall control function of the system. A microcomputer 12 to perform;

A gas circuit breaker driver 14 for driving a gas circuit breaker 13 installed in an indoor or outdoor fuel pipe under the control of the microcomputer 12;

When the fire occurs under the control of the microcomputer 12, the fire nozzle 16 is operated to operate the fire extinguisher 15 installed to be located at the bottom of the range hood main body 1 so that the extinguishing liquid is cooked through the spray nozzle 16. Fire extinguisher drive unit 17 is injected to the (18) side to the fire extinguishment;

A ventilator drive unit 20 configured to drive the ventilator 19 installed in the range hood main body 1 under the control of the microcomputer 12 and having an exhaust fan and an intake fan;

An alarm sound generator 21 for generating an alarm sound when a gas leak or fire occurs under the control of the microcomputer 12;

And a gas circuit breaker state signal generator 22 which notifies the open or closed state of the gas circuit breaker 13 by a voice signal under the control of the microcomputer 12.

At this time, the fire extinguisher 15 and the gas circuit breaker 13 are well known, and thus, the description and description of the detailed configuration thereof are omitted.

6 shows a flowchart for explaining the method of the present invention.

According to the method of the present invention, whether the leak of the gas in the microcomputer 12, whether the ambient temperature rises above a certain temperature (A ℃), or whether the pollution degree of the indoor air is above a predetermined value (X), Sequentially detecting whether a closing time is set and whether a remote control mode by a telephone is selected;

As a result of detecting the gas concentration in the air through the gas leak detection sensor 4 in the microcomputer 12, if a certain concentration (eg LNG: 0.06-1.25%) or more is detected, the gas circuit breaker 13 is closed and an alarm sound is detected. Generating automatic transmission of gas leak information by automatically dialing the user telephone 6 stored in the same;

When the ambient temperature of the range hood body 1 is detected by the microcomputer 12 through the temperature sensor 2, if a predetermined temperature (A ° C .; for example, 100 ° C.) or more is detected, a preliminary fire alarm sounds and a gas is generated. After closing the circuit breaker 13, the ambient temperature is continuously detected. If the temperature rises above a predetermined temperature (B ° C; Activating and extinguishing the fire, and at the same time performing automatic dialing on the user's telephone 6 to automatically transmit fire occurrence information;

If the microcomputer 12 detects the ambient air pollution level of the range hood main body 1 through the pollution degree detection sensor 3, and the air pollution device is less than the predetermined value X, the ventilation device ( 19) driving;

As a result of the detection by the microcomputer 12, if the user sets the time for closing the gas circuit breaker 13 through the time setting switch 8 (for example, 10 minutes, 20 minutes, 30 minutes, etc.) Counting a time using a timer to automatically shut off the gas circuit breaker 13 when the time reserved by the user has elapsed;

As a result of the detection by the microcomputer 12, the user dials a remote site, enters a password, and then transmits a control code for a specific device, and then decrypts the code and the corresponding device (for example, a gas circuit breaker 13). Telling or blocking the operation state of the; characterized in that consisting of.

Referring to the effect of the present invention made of such a configuration and method as follows.

First, the temperature sensor 2 and the pollution degree sensor 3 used in the system of the present invention are installed at the bottom of the range hood body 1 to accurately detect the ambient temperature of the range hood and the concentration of indoor air, and the gas leaks. The sensor 4 was installed in the ceiling of the room in consideration of the LNG, which is widely used in gas cookers, being lighter than air and floating upward.

In addition, the microcomputer 12 additionally installs a communication interface 14 so that the user can input the remote control information of the user, including the password transmitted through the telephone line 5, and at the same time gas leakage or fire When the information is generated, it is possible to transfer the information to the remote user's telephone 6 through the telephone line 5.

In addition, the operation and display unit 11 installed in the front portion of the range hood body 1, the user to block the gas circuit breaker 13 so that the user can easily see the operation at the same time as shown in FIG. The time setting switch 8, the various state display part 9, and the manual control switch 10 of the gas circuit breaker 13 which set the time arbitrarily were provided.

In addition, the alarm sound generator 21 and the gas circuit breaker state signal generator 22 are also installed in or around the manipulation and display unit 11 so that the user can easily hear or see.

Of course, the microcomputer 12 may receive the switch input signal of the manipulation and display unit 11 and the various information transmitted from the telephone 6, including the information detected by the respective sensors, and perform the overall control function of the system. The password or various code information, including the control program, are stored in advance.

In addition, between the output terminal of the microcomputer 12, the gas circuit breaker 13, the fire extinguisher 15 and the ventilator 19 in response to the output signal of the microcomputer 12 so as to drive each of the gas circuit breaker The drive unit 14, the fire extinguisher drive unit 17 and the ventilator drive unit 20 are provided, and at the same time, the alarm sound generator 21 and the gas circuit breaker state signal generator 22 are provided.

Therefore, the microcomputer 12 inputs various types of information through the gas leak detection sensor 4, the temperature sensor 2, the pollution degree detection sensor 3, the time setting switch 8, and the communication interface 7 during normal operation. Whether the gas leaks, the ambient temperature rises above a certain temperature (A ℃), the pollution level of the indoor air is above the specified value (X), the closing time of the gas breaker is set by the user, and remotely controlled by the telephone. It is continuously determined whether the mode is selected, and various control signals are generated in response to the result.

That is, when the gas concentration in the air is detected by the microcomputer 12 through the gas leak detection sensor 4, when a predetermined concentration (for example, LNG: 0.06-1.25%) or more is detected, the gas circuit breaker driver 14 is turned off. By operating the gas circuit breaker 13 to cut off the gas supply to the cooking appliance and at the same time to generate an alarm sound through the alarm sound generating unit 21 can prevent the occurrence of a safety accident due to gas leakage.

In addition, if necessary, automatic dialing is performed to the user's telephone 6 stored in the home to automatically send gas leak information, so that the remote user can immediately recognize the gas leak condition and take necessary action in a short time. will be.

On the other hand, when the ambient temperature of the range hood body 1 is detected by the microcomputer 12 through the temperature sensor 2, if the predetermined temperature (A ° C; for example, 100 ° C) or more, the alarm sound generator 21 By generating a preliminary fire alarm and closing the gas breaker 13 through the gas breaker driver 14, the ambient temperature is continuously detected to maintain a predetermined temperature (A ° C; for example, 100 ° C) or less. Maintaining the above-described state, if the temperature rises above a certain temperature (B ℃; for example 130 ℃) due to ignition generates an alarm sound according to the fire, and operates the automatic fire extinguisher 15 through the fire extinguisher drive unit 17 Fire extinguishing is carried out, and if necessary, the user's telephone 6 is automatically dialed to automatically transmit the fire occurrence information.

Therefore, since the initial fire extinguishing is performed by the operation of the automatic fire extinguisher when a fire occurs, it is possible to prevent damage to property as well as property damage due to a large fire.

In addition, when the microcomputer 12 detects the ambient air pollution level of the range hood main body 1 through the pollution degree detection sensor 3, if the air pollution degree is greater than or equal to a predetermined value X, the air is vented until the pollution degree is less than the predetermined value X. By driving the ventilator 19 through the device driving unit 20 it is possible to maintain a comfortable indoor environment at all times.

In addition, the microcomputer 12 determines whether the time to close the gas circuit breaker 13 is set to, for example, 10 minutes, 20 minutes, 30 minutes, or the like through the time setting switch 8 installed to be operated by the user. If it is set continuously, if it is set, the timer is counted using the built-in timer, and when the time set by the user has elapsed, the gas circuit breaker 13 is automatically shut off, so that the user operates the cooker with confidence. You can do other things.

Meanwhile, the microcomputer 12 continuously detects whether the user tries to control various devices at a remote location through the communication interface 7. If a user calls a remote phone and inputs the same password as the previously entered number, When the control code for the device is transmitted, the code is decoded and the operating state information of the device is transmitted or the gas supply is cut off through the gas breaker 13.

Therefore, even if the user inadvertently leaves the cooking appliance out of service and operates the gas circuit breaker 13 by using the telephone 6 at a remote location, the gas supply can be cut off or the current state can be known. This can be prevented in advance.

At this time, the microcomputer 12 informs the state of the gas circuit breaker by a voice signal through the alarm sound generating unit 21 whenever the gas circuit breaker 13 is operated (ie, opened or closed). The state can be correctly recognized without looking directly at the state of (13).

Although the above-described embodiments have been described with respect to the most preferred examples of the present invention, it is not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications are possible without departing from the technical spirit of the present invention.

As described above, according to the present invention, the alarm sound is generated when the first gas leaks and at the same time, the gas supply is automatically cut off, thereby preventing the occurrence of a safety accident due to the gas leak. By the initial fire extinguishing caused by the operation, it is possible to prevent the loss of life and property damage due to the large fire, and thirdly, when the cooker is operated due to inadvertent operation, the gas breaker is operated by using the telephone from the outside. The gas supply can be cut off to prevent fire due to overheating.

Fourth, if a gas leak or fire occurs, the remote site can immediately recognize it and take necessary measures.Fifth, if the time set by the timer has elapsed, the gas breaker will be automatically shut off, thus preventing fire from overheating. At the same time, it is possible to prevent unnecessary gas consumption and to maintain a pleasant indoor environment at all times by automatically ventilating according to the pollution degree of the sixth indoor air. It is a very useful invention that can be recognized.

Claims (4)

A temperature sensor 2 for sensing the ambient temperature of the range hood; A pollution degree detecting sensor 3 for detecting the concentration of indoor air; A gas leak detection sensor 4 for detecting a concentration of gas leaked into the air; Receives remote control information about devices including passwords transmitted through telephone line 5 and communicates gas leakage or fire occurrence information to remote user phone 6 through telephone line 5. An interface unit 7; An operation and display unit provided with a time setting switch 8 for allowing a user to arbitrarily set the interruption time of the gas circuit breaker 13, various state display units 9, and a manual control switch 10 of the gas circuit breaker 13 ( 11); Including the information detected by the respective sensors, the switch input signal of the operation and display unit 11 and various information transmitted from the telephone 6 are inputted, and the control program stored in itself is executed to perform the overall control function of the system. A microcomputer 12 to perform; A gas circuit breaker driver 14 for driving a gas circuit breaker 13 installed in an indoor or outdoor fuel pipe under the control of the microcomputer 12; When the fire occurs under the control of the microcomputer 12, the fire nozzle 16 is operated to operate the fire extinguisher 15 installed to be located at the bottom of the range hood main body 1 so that the extinguishing liquid is cooked through the spray nozzle 16. Fire extinguisher drive unit 17 is injected to the (18) side to the fire extinguishment; A ventilator drive unit 20 configured to drive the ventilator 19 installed in the range hood main body 1 under the control of the microcomputer 12 and having an exhaust fan and an intake fan; Alarm control unit for generating an alarm sound when the gas leak or fire occurs under the control of the microcomputer (12); Remote control system of the built-in kitchen range hood for automatic fire extinguisher and ventilation device. The method according to claim 1, Automatic fire extinguisher and ventilator built-in kitchen, characterized in that additionally installed; gas breaker state signal generation unit 22 for notifying the opening or closing state of the gas breaker 13 under the control of the microcomputer 12 as a voice signal Range hood remote control system. Whether the gas leaks from the microcomputer 12, whether the ambient temperature rises above a certain temperature (A ° C), whether the pollution level of the indoor air is above a predetermined value (X), whether the closing time of the gas circuit breaker is set by the user, and the telephone Sequentially detecting whether a remote control mode is selected; As a result of detecting the gas concentration in the air through the gas leak detection sensor 4 in the microcomputer 12, if a certain concentration (for example, LNG: 0.06-1.25%) is detected, the gas circuit breaker 13 is closed and an alarm sound is detected. Generating automatic transmission of gas leak information by automatically dialing the user telephone 6 stored in the same; When the ambient temperature of the range hood body 1 is detected by the microcomputer 12 through the temperature sensor 2, when the temperature is above a predetermined temperature (A ° C.), a preliminary fire alarm is generated and the gas circuit breaker 13 is closed. After continuously detecting the ambient temperature and rising above a certain temperature (B ℃) due to ignition, it generates an alarm sound according to the fire occurrence, activates the automatic fire extinguisher 15, and performs fire extinguishing. Performing automatic dialing to automatically transmit fire occurrence information; If the microcomputer 12 detects the ambient air pollution level of the range hood main body 1 through the pollution degree detection sensor 3, and the air pollution device is less than the predetermined value X, the ventilation device ( 19) driving; As a result of the detection by the microcomputer 12, when the user sets the time to close the gas circuit breaker 13 through the time setting switch 8, the time set by the user is counted using a timer built in the device. Automatically shutting off the gas circuit breaker 13 when the elapsed time has elapsed; When the user detects the microcomputer 12, enters a password from a remote place, and transmits a control code for a specific device, then decrypts the code and informs or blocks the operation state of the corresponding device; Remote fire control method of an automatic fire extinguisher and a built-in kitchen range hood, characterized in that made. The method according to claim 3, And automatically transmitting gas leakage or fire occurrence information by automatically dialing the user telephone 6 stored in the microcomputer 12 itself when necessary to detect gas leakage or fire occurrence. Remote control method of kitchen hood with built-in automatic fire extinguisher and ventilation system.

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