KR101611503B1 - Prevent over temperature and fire system - Google Patents

Abstract

The present invention relates to a fire preventing device for a kitchen and, more specifically, to a fire preventing device for a kitchen, which includes a gas stove, a range hood, and a duct. The fire preventing device is capable of preventing the spread of fire and overheating by automatically controlling an operation of gas, electricity, and a damper, and outputting sound or light while transmitting to a manager by detecting the occurrence of fire or overheating of the kitchen by sensing hood temperature, the existence of smoke, gas leakage, and carbon dioxide through a sensing unit.

Description

FIELD OF THE INVENTION [0001]

The present invention relates to a fire detection system for a kitchen, and more particularly to a fire detection system for a kitchen including a gas range, a range hood and a duct, wherein the hood temperature, the presence or absence of smoke, It detects the overheating or fire of the inside of the kitchen and outputs it as sound or light, automatically sends it to the manager, automatically controls the operation of gas, electricity and damper to prevent overheating, To a fire extinguishing system for a kitchen.

Generally, in a kitchen using fire or gas, the fire is always exposed to the risk of fire, and various fire and overheating prevention systems are proposed to solve the problem.

Such prior art is the "Commercial Kitchen Fire Extinguishing Device" of Registration No. 10-1460707,

In the prior art, even if a separate power source is not supplied, the fusible metal of the fire detection assembly is released when the fire occurs, the lever is operated and the fire extinguishing agent can be quickly discharged to suppress the fire. It is possible to discharge the extinguishing agent only by pulling the manual operation handle by the person who finds the fire for the first time and the lever is operated to charge the inside of the extinguishing agent container during the manufacturing process without installing a separate starting device such as the air supply device The present invention proposes a commercial kitchen fire extinguishing system in which the lever can be operated by using the pressure of the fire extinguishing agent so that the installation cost is reduced, the maintenance and installation structure is not complicated, and an alarm and blocking assembly is constructed.

However, according to the above-described prior art, when a fire occurs or a fire is witnessed, the lever is automatically or manually operated to discharge the fire extinguishing agent, thereby suppressing the fire. Thus, the gas leakage, the hood overheating, There is a problem that it can not be detected.

Also, as a prior art, there is a " fire protection system for kitchens ", registered patent No. 10-1389541,

The above-mentioned prior art discloses a control method for controlling a sensor unit, a damper circuit breaker, an open / close valve configured to shut off and pass a gas, and a sensor to compare a measured value measured by the sensor with a reference value, A control unit connected to the microcomputer and displaying a measurement value, a damper breaker, and an operation state of the on / off valve to the outside, and a controller for controlling the operation state of the damper breaker and the on- And a memory unit that stores the fire prevention system.

However, the above-mentioned prior art can not detect when carbon monoxide is generated due to the fullness of smoke or cooking in the kitchen, so that it may cause problems such as poisoning of carbon monoxide during cooking, and an alarm is generated only by an alarm sound. There is a problem that it can not be detected.

Further, as a prior art, there is a " fire prevention device for a gas range " in Japanese Patent Application Laid-Open No. 10-2011-0116274,

In the prior art, when moisture is completely evaporated during cooking of food by ignition of the gas range, it is sensed by the temperature sensor when it is supposed to lead to carbonization, and the controller operates the solenoid valve to shut off the gas supply pipe, .

However, the above-described prior art is problematic in that it can not recognize and prevent various safety accidents that may occur during cooking, such as leakage of gas or leakage of carbon monoxide, by simply measuring temperature within the kitchen to detect fire.

In addition, there is a conventional method disclosed in Korean Utility Model No. 20-2014-0000617 entitled " Gas Leakage Gas Leakage and Overheat Preventing Device and Method "

In the conventional technique, the magnetic power unit and the gas flow rate control unit are driven using the electromotive force of the thermocouple and the power supply unit to open or shut off the gas supply channel, or adjust the flow rate of the gas to adjust the gas range A device and method for preventing gas leakage and overheating of a gas range that prevents an explosion accident by blocking gas leakage when a flame is extinguished and prevents a fire accident by shutting off the supply of gas or controlling the flow rate of gas when the cooking container is overheated .

However, the above-mentioned prior art can grasp the gas leakage of the gas range in advance similar to the above-mentioned prior arts, but there is a problem that it is not possible to detect various fire accidents that may occur during cooking.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a kitchen fire alarm system including a gas range, a range hood and a duct,

There is provided a fire detection system for a kitchen which is capable of monitoring overheat and fire safety accidents that may occur in a kitchen, including a duct temperature sensor, a hood temperature sensor, a smoke detection sensor, a gas detection sensor and a carbon monoxide alarm sensor The purpose.

In addition, according to the information sensed by the sensing means, there is provided a control means for opening or closing a damper of a gas, an electric or a duct to open or close a part or all of the damper of the gas, electricity or duct according to the sensed information, And to prevent a fire from spreading, and to prevent a fire from being overheated when it is overheated.

Further, the control means may further include a transmission unit so that the information measured by the sensing means is automatically transmitted to the manager so as to promptly respond to the information, and the alarm means can be output to the sound output unit or the optical output unit or both It is an object of the present invention to provide a fire extinguishing system for a kitchen which can easily transmit a danger signal even in a noisy place by giving an alarm with sound and light.

In order to achieve the above object, the fire alarm system for a kitchen according to the present invention comprises:

A kitchen fire alarm system comprising a gas range, a range hood spaced above the gas range, and a duct connected to the range hood to suck air,

A duct temperature sensor provided in the duct, a hood temperature sensor provided in the range hood, a smoke detection sensor detecting smoke in the kitchen, a gas detection sensor detecting gas leakage, and a carbon monoxide alarm sensor detecting the amount of carbon monoxide ; Sensing means

A control unit including a gas shutoff member for shutting off gas according to the information sensed by the sensing unit, an electric shutoff member for shutting off electricity, and a damper shutoff member for opening and closing a damper provided in the duct. And

A sound output unit for outputting information detected by the sensing unit as sound, and an alarm output unit for outputting light as light,

And the alarm means outputs the sound output unit or the optical output unit or both of them.

As described above, according to the present invention,

Detecting means including a duct temperature sensor, a hood temperature sensor, a smoke detection sensor, a gas detection sensor and a carbon monoxide alarm sensor are provided so as to prepare for various safety accidents that may occur during cooking, And it is also possible to monitor a case where gas is leaked or carbon monoxide is excessively discharged, thereby preventing a safety accident from occurring or preventing it from spreading.

Further, when the abnormality in the kitchen is confirmed by the sensing means, the control means for opening and closing gas, electricity, ducts of the damper and the like are further provided, so that it is possible to prevent gas, electricity, , The manager can promptly respond to the abnormality information transmitted to the manager automatically, thereby suppressing the overheating and the fire early.

Further, when such a problem occurs, it is possible to easily check whether there is an abnormality even in a noisy cooking environment due to the light or sound or all of them by the alarm means. By configuring the kind of the alarm differently according to each situation, So that it can respond promptly.

1 is a structural diagram of a fire-prevention device according to the present invention.
2 is a block diagram of a fire-prevention device according to the present invention.
Figures 3 and 4 illustrate an embodiment of an alarm means according to the invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

First, as shown in FIG. 1, a fire extinguisher S for a kitchen for cooking food generally comprises a range hood H (not shown) spaced above the gas range for discharging a gas range, And a duct (D) connected to the range hood (H) and discharging the sucked air.

In such a main fire extinguisher S, the food is usually cooked by the use of gas in a gas range, and always includes the risk of fire.

Therefore, in order to prevent such a fire or to prevent the spread of fire, the present invention is equipped with a sensing means 10 made up of various sensors and controls gas, electricity, etc. according to the information sensed by the sensing means 10 And an alarm means (30) for outputting the sound or light or both according to the information to inform the user of the danger.

Each configuration will be described in more detail with reference to FIG. 1 and FIG.

The sensing means 10 includes a duct temperature sensor 11, a hood temperature sensor 13, a smoke detection sensor 14, a gas detection sensor 15 and a carbon monoxide alarm sensor 16.

The duct temperature sensor 11 is provided inside the duct D so that the temperature inside the duct D can be measured.

The hood temperature sensor 13 is installed inside the range hood H so that the temperature and cooking temperature inside the range hood H can be measured.

The gas detection sensor 15 is installed on the ceiling or wall surface of the vicinity of the gas range or the kitchen so as to detect the leakage of the gas.

The smoke detection sensor 14 is installed inside the kitchen, especially on the ceiling or on the wall so as to judge whether or not smoke is generated in the kitchen.

Like the smoke detection sensor 14, the carbon monoxide alarm sensor 16 is installed in the interior of the kitchen, particularly on the ceiling or the wall so as to detect the presence of carbon monoxide in the kitchen.

In addition, the overheat prevention temperature sensor 131 and the fire extinguishing spray nozzle 133 are provided in the range hood H together with the hood temperature sensor 13 to diagnose an overheating state in the range hood H, It is more preferable that the fire extinguishing agent is discharged through the fire extinguishing spray nozzle 133 by the control means 20 described later when a fire occurs.

The size and the number of these sensors can be changed variously, and the operation can be varied according to the number of range hoods and gas ranges, and the scope of the right should not be limited.

The control unit 20 further includes a control unit 20 that receives information measured by the sensing unit 10 and can block electricity or gas.

More specifically, the control means 20 includes a gas shut-off member 21 provided in the gas pipe for opening and closing the gas flow, an electric cut-off member 23 for blocking electricity, a damper D1 provided in the duct D, And a damper blocking member 25 for controlling the air flow of the duct D by opening and closing the duct damper 25.

More specifically, the gas shutoff member 21 includes a first gas valve shutoff member 213 provided in the main gas pipe 211 connected to the gas meter, and an individual gas pipe 215 connected to each gas range, And a second gas valve shutoff member 217 that is connected to the first gas valve 217.

The damper closing member 25 is connected to the damper D1 for flowing air in the duct D. The damper D1 is connected to the damper D1, So as to prevent air from being discharged to the duct (D) by opening or closing the damper (D1).

As described above, the sensing means 10 including various sensors and the control means 20 for opening and closing the gas can selectively use various devices generally used, and it is a well-known technology, Is omitted.

Further, the fire alarm system S for a kitchen according to the present invention further comprises an alarm means 30 for informing a user when an abnormality occurs in the kitchen according to the information measured by the sensing means 10, 30 comprises an alarm output means 31 for outputting such information as sound or an optical output means 40 for outputting light as light or an alarm means 30 for outputting both of them, Will be described in more detail below.

Again, the operation of the sensing means 10 and the control means 20 will be described in more detail with reference to FIG.

When the cooking temperature is overheated by the hood temperature sensor 13, the gas shutoff member 21 blocks the individual gas pipe 215 by the second gas valve shutoff member 217 together with the overheat alarm sound or light, Thereby preventing overheating of the temperature. When the temperature of the range hood is overheated, the main gas valve is closed by the first gas valve blocking member 213, and the overheating of the hood temperature is associated with the fire, so that a fire alarm sound or light is generated. Further, when gas is detected by the gas detection member, the main gas pipe 211 is blocked by the first gas valve blocking member 213 together with the gas leakage alarm sound and the light.

When the temperature of the range hood (H) is overheated, the electric circuit breaker cuts off the main power of the kitchen together with a fire alarm sound.

When the temperature of the range hood is overheated, the damper blocking member 25 is operated to block the duct D so that the flame does not escape to the outside. At this time, the fire extinguishing agent is sprayed through the fire extinguisher spray gun, A fire alarm sound is generated.

Further, the control unit 20 is further provided with a transmission unit 27 so that the information measured by the sensing unit 10 is automatically transmitted to the manager so that the subsequent processing can be performed quickly.

Further, as described above, when the detection means 10 detects an abnormality, the appropriate temperature of the range hood, the kitchen, and the duct D is set through various experimental data. When the temperature is higher than the set temperature, 20 can be operated and the control means 20 can be operated only when the reference value is also set to be higher than the reference value.

As described above, the fire alarm system S for a kitchen according to the present invention is provided with an alarm means 30 for informing a user of an alarm through sound or light,

The alarm means 30 includes a housing 30 ', a light output portion 40 including a PCB provided in the housing 30 and LEDs provided on the PCB 30, And an audio output unit for outputting sound.

First, the sound output unit is configured to output different sounds by being divided into a carbon monoxide alarm, a cooking overheat alarm, a gas leakage alarm, and a fire alarm, and the output of such sound is continuously output until the manager manually releases the alarm, . Furthermore, the type of sound according to each situation can be variously configured.

In addition, it is preferable that light is outputted through the light output unit 40 separately from or together with the sound, and it is preferable that more light is output in order to recognize the danger.

Accordingly, it is preferable that the optical output unit 40 is further provided with a condenser, and the optical output unit 40 will be described in more detail with reference to FIG. 3 and FIG.

The light collecting member 411 provided in the light output unit 40 is formed in a semispherical shape made of a transparent material and covers each of the LEDs 41. The center of the light collecting member 411 is provided with the LED 41 And the light emitted from the LED 41 is diverted through the light collecting member 411 as the LED 41 is positioned inside the curved groove 411B The brightness can be improved and diverged as it is refracted on the inner surface of the bending groove 411B.

In order to solve this problem, an outer protrusion 411A is provided at the lower end of the light-collecting member 411 and at the lower end of the outer surface of the light-collecting member 411, It is also possible to prevent the occurrence of the yellow ring due to the diffused reflection of the light from the light guide plate 411B and further include the outer protrusion 411A in the bending groove 411B.

The coupling protrusion 411C may be further provided at a lower portion of the focusing member 411. The coupling protrusion 411C may include a column portion 411Ca and a head portion 411Cb having a larger diameter than the column portion 411C, And can be fixedly coupled to a binding hole provided on the PCB 43.

The light collecting member 411 is spaced apart from the PCB 43 in order to improve air-cooling characteristics, thereby forming an air-cooling unit 411D to prevent heat generated in the PCB from being overloaded. .

Further, the light output portion 40 may be provided inside the housing 30 'using the light condensing member 411, and a direct irradiation type system may be used. The side inclined portion 118 (see FIG. 4) And may be provided in a side-illuminated type system. In this case, since the light output unit 40 is provided in the side slope unit 118, the sound output unit may be further provided, or a fire extinguisher such as a fire extinguisher may be further provided, and the scope of the right should not be limited .

At this time, the optical output unit 40 is provided on the side inclined portion 118 so that the housing 30 'is further provided with the reflecting means 50. The reflecting means 50 is provided on the housing 30' A second reflecting member 53 (see FIG. 4) provided on the first reflecting member 51 and a second reflecting member 51 provided on the first reflecting member 51 at an angle to the side inclined portion 118, And a shifting member 55 for connecting the first reflecting member 51 and the second reflecting member 53. The shifting member 55 is configured to shift the second reflecting member 51 from the first reflecting member 51, The member 53 is moved to extend the length of the reflecting means 50 for reflecting the light of the light output portion 40 provided on the side slope portion 118. [

More specifically, the moving member 55 includes a slider 551 corresponding to the housing 30 ', and the slider 551 is fixed to the first reflecting member 55' 51, and has a locking elastic member 555 so as to be able to move forward and backward along a rack gear 554 provided at one side.

The locking elastic body 555 having the locking projections 555A protruding from one side of the slider 551 and engaging with the rack gear 554 of the first reflecting member 51 is engaged with the locking projections 555A at both sides And a plate spring having an elastic portion 555B.

On the left side of the slider 551 of the shifting member 55 is formed a long slidably for sliding movement and has a slit 55s at its center for slimming.

The state in which the moving body 55m engaged with the second reflecting member 53 is moved by the movement of the moving member 55 can be maintained in this state by the operation of the lock button 57. [

The downward protruding locking protrusion 57A of the locking button 57 is fitted between the elastic portion 555B of the locking elastic body 555 and the slider 551 in accordance with the retreating of the locking button, and the locking protrusion 555A is inserted into the rack gear 554 In order to prevent the elastic part 555B from being deformed so as to maintain the engaged state with the elastic part 555B.

Therefore, even with the same number of LEDs, stronger light can be emitted, so that the user can more surely recognize the danger.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention. Changes and substitutions are to be construed as falling within the scope of protection of the present invention.

S: Fire prevention device
A: Gas range H: Range hood
D: Duct D1: Damper
10: Detection means 11: Duct temperature sensor
13: Hood temperature sensor 131: Overheat prevention temperature sensor
133: fire-extinguishing nozzle 14: smoke detection sensor
15: gas detection sensor 16: carbon monoxide alarm sensor
20: control means 21: gas blocking member
211: main gas pipe 213: first gas valve closing member
215: individual gas pipe 217: second gas valve blocking member
23: electric cutoff member 25: damper shutoff member
27: transmitting unit 30: alarm means,
30 ': housing
31: sound output unit 40: light output unit

Claims (4)

A kitchen fire alarm system (1) comprising a gas range (A), a range hood (H) provided above the gas range (A) and a duct (D) connected to the range hood S)
A duct temperature sensor 11 provided in the duct D, a hood temperature sensor 13 provided in the range hood H, a smoke detection sensor 14 detecting smoke in the kitchen, (10) comprising a gas detection sensor (15) for detecting a carbon monoxide amount and a carbon monoxide alarm sensor (16) for detecting a carbon monoxide amount;
A gas blocking member 21 for blocking gas in accordance with information sensed by the sensing means 10, an electric shielding member 23 for blocking electricity, a damper blocking member 23 for opening and closing a damper D1 provided in the duct D, Control means (20) comprising a member (25); And
And an alarm unit 30 having a sound output unit 31 for outputting the information detected by the sensing means 10 to the sound and an optical output unit 40 for outputting the light to the sound output unit 30,
The alarm means 30 outputs the sound to the sound output unit 31 or the optical output unit 40 or both of them,

The alarm means 30 comprises a housing 30 'with a side inclined portion 118
The side inclined portion 118 is provided with a light output portion 40,
The light output section 40
And an LED 41 provided on the PCB 43 and the PCB 43 and a light collecting member 411 provided on the LED 41,
The light-collecting member 411
And an outer protrusion 411A provided at the lower end of the bending groove 411B or the light collecting member 411 or at the lower outer end of the light collecting member 411 or both of the bending grooves 411B and 411B, In addition,
A coupling protrusion 411C formed of a head portion 411Cb having a larger diameter than the column portion 411Ca is provided below the light focusing member 411 so as to be fixedly coupled to the coupling hole of the PCB 43, ),
And the air-cooling portion 411D between the light-collecting member 411 and the PCB 43 is formed by the coupling protrusion 411C. The method according to claim 1,
Wherein the control means (20) further comprises a transmitter (27), and the information measured by the sensing means (10) is transmitted to the manager. 3. The method according to claim 1 or 2,
The alarm means (30)
Wherein at least one of a carbon monoxide alarm, a cooking overheat alarm, a gas leakage alarm, and a fire alarm is transmitted by sound, light or both, according to information of the sensing means (10). The method of claim 3,
The housing 30 '
A first reflecting member 51 provided obliquely to the side slope 118 and a second reflecting member 53 and a first reflecting member 51 provided on the first reflecting member 51, Further comprising a reflecting means (50) including a moving member (55) for coupling the second reflecting member (53)
The moving member 55
And a locking elastic member (555) arranged in the receiving portion (553) of the first reflecting member (51) and capable of moving along the rack gear (554) provided at one side thereof. Disaster prevention device.

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