KR100362691B1 - Rangehood with gas leakage sense and fire suppress function - Google Patents

Abstract

The present invention relates to a range hood having a gas leakage detection and fire suppression function, and a gas leakage detection discharge circuit unit (patent registration number 0254495) for detecting gas leakage when a gas leaks in a kitchen where handling of gas and fire is frequent. Voice generation unit for continuously emitting alarm and voice sound for the gas leak detected through the discharge circuit unit, the gas shut-off unit for blocking the middle valve of the gas under the control of the control unit for controlling the gas supply in conjunction with the alarm sound When the temperature of the gas range rises due to overheating in the gas range and heat is sensed, the extinguishing liquid is automatically sprayed through the nozzle installed in the spray nozzle body at the central part of the chimney-type range hood portion to be fired to extinguish the fire initially. It is equipped with automatic fire extinguishing unit, so it has gas leakage detection and fire suppression function in kitchen. Range hood is an artificial intelligence range hood that prevents gas leakage explosions and fire accidents in the house inadvertently when a housewife goes out or when a child or an elderly person uses gas.It prevents explosions and fire accidents due to gas leakage in advance. Has the effect of protecting life.

Description

Range hood with gas leakage sense and fire suppress function

The present invention relates to a range hood of a kitchen, and in particular, detects a gas leak in a kitchen, emits an alarm and a voice sound, discharges the leaked gas, as well as automatically detects a gas leak and suppresses the fire after the automatic detection of the fire. It is about a range hood with function.

In general, gas is an essential fuel for our residential life, and it has always been a source of fear for gas accidents, and the casualties caused by gas fires in places such as houses and apartments are increasing day by day. The installation of gas safety equipment and fire extinguishers is not only inconvenient to install them separately after the installation of kitchen sinks, gas appliances, range hoods, etc., but also by the manufacturers. Later, the installation was again inconvenient, such as re-installation, and after-sales service was also different.

In addition, the conventional range hood has only a simple function of releasing odors when cooking food. Accordingly, when a gas leaks in a kitchen where gas and fire handling are frequent, large and small gas explosions occur, causing property damage from fire and fatal casualties. There were also many problems that could cause.

In order to solve the above problems, the present invention is equipped with an automatic fire extinguisher in a gas leak detection automatic discharge system (patent registration No. 0254495) and a gas leak detection automatic discharge hood inside the chimney type range hood and interlocked with a controller and a gas circuit breaker. And a range hood having a gas leakage detection and fire suppression function integrated with a voice generator.

In order to achieve the above object, the present invention, in the state located on the upper side of the gas range, the body is equipped with an opening and closing door for accommodating a fire extinguishing container, as well as a fan motor and a fan to discharge the leakage gas during the rotation of the motor A range hood body with a built-in manual control unit for manually operating the motor unit; The gas detection circuit part operating according to the signal detected by the gas detection sensor part, the contactless relay switch part which inputs the detection signal of the gas detection sensor part to the fan motor part, and the detection signal of the gas detection sensor part in the range hood main body. Gas leakage detection automatic discharge circuit unit having a voice generator for generating an alarm and voice sound for; The valve yoke lever part which opens and closes the intermediate valve by driving a DC motor in response to the signal of the gas circuit breaker circuit part while being mounted on the intermediate valve of the gas range, and the yoke lever switch which is manually opened in case of power failure / failure of the valve yoke part. An additional gas circuit breaker; In the state of being built in the grill of the range hood body, the injection nozzle is connected to the discharge pipe of the fire extinguishing container through a nozzle to inject the extinguishing fluid, and the injection is equipped with a 1.2 thermal sensing thermistor which senses the ambient temperature and the fire temperature of the gas range, respectively. Nozzle body and; When the gas detection sensor signal is input to the fan motor unit through the solid state relay switch unit, the controller circuit unit and the range hood main body are connected to the alarm buzzer that operates the voice generator, the gas shutoff circuit unit, and the LED display unit that lights the diode. Characterized in that it consists of a control unit provided with a selection switch unit for operating them to return to the normal state.

The chimney range hood of the present invention is installed in a range hood that is the only discharge system of a kitchen where gas and firearms are frequently handled to protect valuable property and lives from a gas explosion accident or a fire. It has a lot of space, so the gas leakage automatic detection alarm ejector and fire extinguisher are installed inside the hood so that the range hood is installed on the top of the gas range of the sink without any deformation.

1 is an overall configuration of the chimney type range hood mounted integrally to the present invention,

2 is a main block diagram of the chimney type range hood according to the present invention;

3 is a block diagram of a gas leakage detection automatic discharge circuit according to the present invention;

4 is a block diagram of a controller according to the present invention;

5 is a block diagram of a gas circuit breaker according to the present invention;

6 is a block diagram of a voice generator according to the present invention;

7 is an installation structure diagram of an automatic fire extinguisher according to the present invention;

8a and 8b is a detailed structural diagram before and after the operation of the automatic fire extinguisher injection nozzle body according to the present invention.

* Explanation of symbols for main parts of the drawings

100: chimney range hood portion 110: manual control unit

111: lamp switch unit 112: air flow selection switch unit

120: fan motor 130: opening and closing door

140: grill filter portion 150: first power input unit

200: gas leakage detection automatic discharge circuit

210: second power input unit 220: gas detection circuit unit

230: gas detection sensor unit 240: solid state relay switch unit

250: alarm buzzer 260: signal input

270: lamp unit 300: control unit

310: third power input unit 320: selection switch unit

330: controller circuit portion 340: controller alarm buzzer

350: LED display unit 400: gas blocking unit

410: gas circuit breaker circuit 420: manual yoke lever switch

430: gas breaker valve yoke lever 500: sound generation unit

510: voice generator CPU unit 520: gas leakage detector

530: overheat detection unit 540: fire detection unit

550: controller voice stop unit 560: voice output unit

570: third power input unit 600: automatic fire extinguishing unit

610: fire extinguishing material storage 620: pressure gauge

630: coupler connection 640: fire extinguishing agent

650: fire extinguishing nozzle pipe portion 700: injection nozzle body portion

701: structure fuse part 702: fuse part (low melting point material)

703: fuse fuse and heat pipe portion 704: valve rod portion

705: silicone rubber 706: spring portion

707: valve body portion 708: injection nozzle portion

709, 710: 1st and 2nd thermal thermistor 800: gas pipe part

Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall configuration diagram of a chimney range hood mounted integrally to which the present invention is applied, and gas leakage detection automatic discharge circuit unit detecting a gas leak in a kitchen where gas and firearms are frequently handled (Patent No. 0254495) (200), the voice generator 500 for continuously emitting an alarm and voice sound for the leakage of the gas detected through the gas leakage detection automatic discharge circuit unit, the control unit for controlling the gas supply in conjunction with the alarm sound (300) The gas shut-off unit 400 which cuts off the middle valve of the gas under control of the gas, and the ambient temperature of the gas range rises due to overheating in the gas range of the sink, when the heat is sensed, Automatic fire extinguishing mounted on the chimney type range hood unit for extinguishing fire initially by automatically spraying extinguishing liquid through a nozzle connected to the spray nozzle body 700. It consists of 600.

The integrally mounted chimney range hood is equipped with a gas leakage detection automatic discharge circuit unit (Patent Registration No. 0254495, 200) and an automatic fire extinguishing unit 600 therein, and interlocked with the control unit 300 and the gas blocking unit 400. And the voice generating unit 500 is installed and integrated, and when the gas leaks in the kitchen where gas and firearms are frequently handled, the gas is automatically detected through the gas leak detection automatic discharge circuit unit 200 and the voice is sounded. The generator 500 continuously emits a voice "Gas is leaking. Please check the gas." Then, the LED display of the control unit 300 is illuminated from green to red and interlocked simultaneously with the alarm sound. Gas shut-off unit 400 automatically shuts off the intermediate valve of the gas, the leaked gas after the chimney range by the gas leakage detection automatic discharge circuit unit (Patent No. 0254495) 200 Automatically discharged from the fan to the motor 100 is operating, and if all the gas is discharged without remaining alarm and automatically stops the fan motor.

If the temperature of the gas range caution increases due to overheating in the gas range of the sink stage, the primary thermal sensing thermistor (70 ℃ ± 5 ℃) of the injection nozzle body is operated from OFF to ON. While the signal is input to the controller 300 and the voice generator 500, the gas shutoff unit 400 operates to shut off the gas intermediate valve, and the alarm sound of the controller 300 and the voice of the voice generator 500 "Gas range is overheated, please check the gas" continuously, fire in the sink stove gas range continuously, the secondary thermal sensing thermistor (120 ℃ ± 5 ℃) of the injection nozzle body 700 is When the intermediate valve of the gas shutoff part 400 is blocked by heat detection, the voice of the voice generator 500 continuously emits "fire. Fire." In addition, the chimney-type range hood 100 Chimney from the automatic fire extinguisher (600) mounted on the Range hood 100 When the fuse is sealed to the injection nozzle body 700 at the center of the grill, the fuse is melted in the nibble, the fuse fuse melts and the structure fuse becomes the body nipple. The present invention relates to an artificial intelligence range hood that is extinguished momentarily and automatically extinguishes fire from the spray nozzle before operation to extinguish the fire at an early stage.

2 is a main configuration diagram of a chimney-type range hood according to the present invention, the first power input unit 150 connected to the range hood main body 100 for inputting power and illuminating food when receiving the power The main switch is composed of a lamp switch 111, the air flow selection switch unit 112 for discharging the odor generated during cooking, the manual control unit 110 that operates during manual operation, the door opening and closing door to replace the fire extinguishing vessel in case of fire 130 and the grill filter unit 140 under the range hood to filter the dust generated during cooking.

When the operation of the range hood body configured as described above, the lamp is connected to the first power input unit 150 to the range hood body 100 when the power is turned on to illuminate the lighting when cooking by the manual control unit 110 It is connected to the switch 111 and the air flow selection switch unit 112 and the fan motor unit 120 to discharge the odor is operated during manual operation, the grill filter unit 140 under the range hood is made of aluminum It is easy to clean the water can be opened and closed to filter the dust generated during, and also the gas leakage detection automatic discharge circuit unit (patent registration 0254495) (200) is connected to the chimney-type range hood body 100, as well as manual operation It detects the gas leaked by the gas monitoring sensor automatically and is supplied to the fan from the same time 120, and operate in conjunction with the first and second heat detection in the automatic fire extinguishing device 600 and the injection nozzle body 700 by interlocking. Write Master column is detected by, so we can prevent fire fire initially.

3 is a block diagram of a gas leakage detecting automatic discharge circuit (Patent Registration No. 0254495) according to the present invention, a second input power supply unit 210 for inputting power, and a gas detection circuit unit 220 operating according to the power supply. A solid state relay switch unit for inputting a gas detection sensor unit 230 for notifying a detected signal to the fan motor unit 120 of the chimney type range hood for discharging the leaked gas; 240, an alarm buzzer 250 generating an alarm according to gas discharge of the fan motor 120, and a lamp unit 270 connected to the fan motor unit and the signal input unit 260 to illuminate an illumination. do.

Referring to the operation, when power is input through the second input power unit 210, the gas detection circuit unit 220 operates so that the signal of the sensor detected by the gas sensor unit 230 receives the contactless relay switch unit 240. The fan motor 120 of the chimney-type range hood is input to discharge the leaked gas while the fan motor operates, and an alarm is issued from the alarm buzzer 250. When the discharge of the leaked gas is completed, the alarm buzzer 250 and the fan are exhausted. The motor unit 120 stops and operates as described above when gas leakage is detected again.

In addition, the gas leakage detection automatic discharge circuit unit (Patent Registration No. 0254495) 200 supplies a gas leakage detection signal to the control unit 300 and the voice generator 500, the input signal is a gas circuit breaker 400 and the injection nozzle Overheating is detected in the primary thermal thermistor (70 ℃ ± 5 ℃) of the body unit 700 and fire is detected in the secondary thermal sensing thermistor (120 ℃ ± 5 ℃) to emit an alarm and voice at the same time. ) Closes the gas intermediate valve and extinguish the fire by spraying the extinguishing agent automatically from the injection nozzle part of the automatic fire extinguishing device, and extinguish the fire at the initial stage, and also the gas leakage detection automatic discharge circuit unit 200 in the chimney type range hood part 100 The lamp switch unit 111 to light up the light from the manual control unit 110 and the air flow selection switch unit 112 and the fan motor unit 120 to discharge the odor when cooking so as to operate manually. The connection is configured and works.

Figure 4 is a block diagram of a controller according to the present invention, the signal for the leaked gas detected from the gas detection sensor unit of the third input power supply unit 310, the gas leakage detection automatic discharge circuit unit 200 for inputting power The controller circuit unit 330 is connected to the alarm buzzer unit 340 for generating an alarm sound, the gas circuit breaker 400 for blocking the supplied gas, and the LED display unit 350 for lighting the diode from green to red, respectively. ) And a selection switch unit 320 for returning the range hood to the normal state according to the leakage of the gas.

The controller according to the above configuration, when power is supplied through the third input power supply unit 310 detects the gas leaked from the gas detection sensor unit of the gas leakage detection automatic discharge circuit unit 200 to output the signal to the controller circuit unit 330. When it is input, the alarm buzzer 340 transmits a signal to the gas circuit breaker 400 together with the alarm to cut off the alarm sound and the gas of the external intermediate valve, and the LED display unit 350 lights up from green to red and generates a voice by interlocking. 500 is connected to the voice, "Gas is leaking. Check the gas", the control unit 300, once operated by the gas leakage, the selector switch (open / close) 320 to return to the normal state And by pressing the selection switch 320 by the LED display (open / close) 350, the alarm sound is stopped, and when pressed again, the LED display 350 is lighted from red to green, the gas blocking unit 400 External intermediate valve Open and be able to use gas properly in the kitchen.

FIG. 5 is a block diagram of a gas circuit breaker according to the present invention. The gas circuit breaker valve yoke lever unit 430 adjusts an external intermediate valve by driving a DC motor by receiving a blocking signal according to gas leakage from the controller 300. And a gas circuit breaker valve yoke lever switch unit 420 which is manually operated at the time of power failure or failure to open and close the switch.

The gas circuit breaker configured as described above is supplied with a signal from the gas circuit breaker circuit unit 410 to the valve yoke lever unit 430 when a blocking signal is input from the control unit 300 to drive a DC motor to operate the valve yoke lever. The unit 430 cuts off the gas of the external intermediate valve, and also controls the opening and closing of the switch in the manual yoke lever switch unit (open / close) 420 which can be operated manually in case of power failure or failure.

Figure 6 is a block diagram of a voice generator according to the present invention, the gas leakage detection automatic discharge circuit unit 200 through the input power supply unit 570 for supplying direct current (DC) power, the gas through the gas detection sensor in accordance with the power supply Gas leakage detection signal generation unit 520, which detects leakage and generates a signal, when the primary thermistor (70 ° C ± 5 ° C) detects high heat and operates from off to on, an overheat detection signal for this Fire detection signal generation unit 530, the second heat detection thermistor (120 ℃ ± 5 ℃) that generates a fire detection to generate a signal for the fire when operating from off (on) off (on) A voice generator CPU for receiving a signal generated by each of the signal generators 520, 530, and 540 according to the power input to emit a voice through the voice output unit 560. 510, the voice generator CPU (510) is connected to the gas leak , Consists of overheating and fire after the inspection is completed, the controller generating audio stop signal for stopping the sound output unit 560, unit 550.

When the voice generator CPU 510 is supplied with DC input power from the input power line 570 of the gas leakage detecting automatic discharge circuit 200 and the gas generator detects gas leakage, The signal generated from the gas leakage detection signal generator 520 is supplied to the voice generator CPU 510 and issues a "gas is leaking. Please check the gas." The signal is supplied to 300 and the control unit 300 supplies a signal to the gas shutoff unit 400 to shut off the gas intermediate valve with an alarm.

On the other hand, when the primary thermal thermistor 709 of the spray nozzle body 700 detects high heat and operates from off to on, the signal generated from the overheat detection signal generator 530 is the voice. It is supplied to the generator CPU 510 and the voice output unit 560, "Gas range is overheated. Please check the gas." If the signal is supplied to the controller 300 in conjunction with the controller in the gas circuit breaker 400 To supply a signal and shut off the gas intermediate valve with an alarm, and if the second thermal thermistor 710 continuously detects a fire and operates from off to on, the fire detection signal unit 540 ) Is supplied to the voice generator CPU and issues a "fire, fire" to the voice output unit 560. Next, the fuse of the injection nozzle unit of the injection nozzle body 700 is heated before and after 138 ° C. When the temperature rises, the structure fuse 710 is removed from the body nipple 730. The extinguishing fluid is automatically injected from the injection hole 708 to extinguish the fire initially.

At this time, after the voice generator is operated and gas leakage, overheating and fire check are completed, a signal is input from the controller voice stop signal unit 550 by the selection switch unit (open / close) 320 of the controller 300. The voice output unit 560 is stopped.

7 is an installation structure diagram of an automatic fire extinguisher according to the present invention, the primary heat sensing thermistor 709 of the injection nozzle body 700 and the secondary heat sensing thermistor in the middle grill of the lower center portion of the chimney type hood 100 710 and the structure fuse unit 701 are installed together with the primary thermal thermistor 709 to detect high heat, and the secondary thermal thermistor 710 detects a fire, the gas leakage detection automatic discharge circuit unit 200 ) And the detection signal of the gas detection sensor is input to the control unit 300 to block the gas intermediate valve of the gas shutoff unit 400 by interlocking and emit an alarm and a voice, and when the heat rises to a temperature before and after 138 ° C. Fire extinguishing device that automatically operates irrespective of electricity in case of power failure as an automatic fire extinguisher that extinguish the fire at the injection hole part 708 by automatically ejecting the structure fuse 701 from the body nipple 703 before operation. to be.

7 and 8a and 8b is a detailed structural diagram before and after the operation of the automatic fire extinguisher injection nozzle body according to the present invention, the coupler connection portion to the extinguishing fluid medicine part 640 and the nozzle pipe 650 of the fire extinguishing material storage unit 610 In the state connected via 630, while the 1.2 heat-sensing thermistor 709.710 is mounted to the valve body 707 forming the exterior, the injection nozzle 708 is operated to the valve body 707 to the discharge pipe of the extinguishing liquid. A valve rod part 704 is built in, and a fuse nipple part which is separated from the structure fuse part 701 at 138 ° C. at the side of the 1.2th heat detection demister 709.710 and opens the valve rod part 704. 703 is provided. As a matter of course, the fuse nipple and the heat pipe 703 are attached to the body of the valve body 707, that is, the outlet of the valve rod 704, as shown in FIGS. 8A and 8B. It is formed of a low melting point material in the center of the heat pipe portion 703, the front end of the valve rod portion 704 to the outside The fuse part 702 to be drawn out is mounted, and the valve rod part 704 accommodated in the valve body part 707 is sealed through the silicone rubber 705 to block the discharge line of the extinguishing liquid. Thus, the injection nozzle body part ( Looking at the operation before the operation of 700, while the nozzle is closed while the extinguishing fluid flowing from the nozzle pipe 650, the valve rod 704 in the nozzle end body while pressing the spring 706, the structure fuse 701 fuses Since it stays supported by the nibble part 703, it stays in the valve body part 707. On the other hand, when the operation | movement after operation of the injection nozzle body part 700 is looked at, the structure fuse part 701 is 138. The nozzle is opened by the elasticity of the spring portion 706 in which the valve rod portion 704 is pressed down while being melted to the temperature before and after the temperature and separated from the fuse nipple portion 703, so that the extinguishing agent sprays the nozzle portion 708. Through automatic diffusion spray to suppress the initializing material As an automatic fire extinguisher, it is a fire extinguisher that operates automatically regardless of electricity in case of power failure

As described above, the range hood having the gas leakage detection and fire suppression function of the present invention is a range hood having the gas leakage detection and fire suppression function in the kitchen. As an artificial intelligence range hood that prevents gas leakage explosions and fire accidents, it prevents explosions and fire accidents caused by gas leakages in advance, and protects tremendous property and valuable lives.

Claims (8)

In the state located on the upper side of the gas range, the opening and closing door for accommodating the fire extinguishing container is mounted, as well as a fan motor for discharging the leakage gas during the rotation of the motor and a manual control unit for manually operating the fan motor unit. A range hood body; The gas detection circuit part operating according to the signal detected by the gas detection sensor part, the contactless relay switch part which inputs the detection signal of the gas detection sensor part to the fan motor part, and the detection signal of the gas detection sensor part in the range hood main body. Gas leakage detection automatic discharge circuit unit having a voice generator for generating an alarm and voice sound for; The valve yoke switch which opens and closes the intermediate valve by driving a DC motor operated by a signal of the gas circuit breaker circuit part in the state of being mounted on the intermediate valve of the gas range, and the yoke lever switch which is opened and closed manually in case of power failure / failure of the valve yoke part. An additional gas circuit breaker; Injected nozzle body connected to the fire extinguishing container through the nozzle tube and spraying the extinguishing fluid in the state of being built on the grill of the hood of the range hood, and a 1.2th thermal sensing thermistor for sensing the ambient temperature and the fire temperature of the gas range, respectively. Wealth and; When the gas detection sensor signal is input to the fan motor unit through the solid state relay switch unit, the controller circuit unit and the range hood main body are connected to the alarm buzzer that operates the voice generator, the gas shutoff circuit unit, and the LED display unit that lights the diode. Range hood with a gas leakage detection and fire suppression, characterized in that consisting of a control unit provided with a selector switch unit to return to the normal state by operating them. delete delete delete delete The apparatus of claim 1, wherein the voice generator comprises: an input power supply unit supplying DC power through the gas leakage detection automatic discharge circuit unit; A gas leakage detection signal generation unit generating a signal by detecting a gas leakage through a gas detection sensor according to a power supply of an input power supply unit; An overheat detection signal generator configured to generate an overheat detection signal for a high temperature detected by the primary heat detection thermistor and operating from off to on; A fire detection signal generation unit generating a signal for a fire when a fire is detected by the secondary heat detection thermistor and operating from off to on; A voice generator CPI unit for receiving a signal from the overheat detection / fire detection signal generator to generate a voice through the voice output unit; Range hood with a gas leakage detection and fire suppression, characterized in that the voice generator is connected to the voice generator, the voice stop signal generating unit to stop the voice output unit after the gas leakage detection and fire suppression is completed. delete According to claim 1, wherein the injection nozzle body portion, while being connected to the nozzle pipe portion of the extinguishing material storage container via a coupler connecting portion, while the 1.2 heat-sensing thermistor is mounted on the valve body portion forming the outer appearance, the injection nozzle is operated in the valve body portion And a valve rod part for opening and closing a discharge pipe of the extinguishing fluid, and detecting a gas leakage having a fuse nipple part which is separated from the structure fuse part in a temperature range of 138 ° C. in the movement path of the valve rod part and opens the valve rod part. Range hoods with fire suppression.