CN110251869A - An intelligent kitchen equipment fire extinguishing system - Google Patents

Abstract

The invention discloses a kind of intelligent kitchen equipment fire-fighting systems, comprising: tension device, fire suppression mechanism, water supply mechanism, spray head.Through the above way, intelligent kitchen equipment fire-fighting system of the present invention, when fire occurs for kitchen range and its smokejack, when the heat that flame generates reaches temperature detector fusing-off temperature, tension device is loosened in temperature detector disconnection, it triggers distal tip signal sensor and exports fire signal to controller, controller opens extinguishing chemical bottle and extinguishing chemical is made to reach spray head ejection by fire extinction pipeline, the fire of hearth and range hood is knocked out simultaneously, subsequent cold water reaches spray head by fire extinction pipeline and cools down, prevent flame re-ignition, fuel gas pipeline is closed when controller receives fire extinguishing enabling signal simultaneously, and send fire signal to fire protection control center, it sounds an alarm, it prevents from the intensity of a fire from expanding even to explode, fire extinguishing is promptly and accurately, reduce loss, reduce casualties.

Description

An intelligent kitchen equipment fire extinguishing system

technical field

The invention relates to the field of intelligent fire extinguishing systems, in particular to an intelligent kitchen equipment fire extinguishing system.

Background technique

With the rapid development of the national economy and the catering industry, since open flames are often used in the kitchen and there are a large number of combustibles, it is a high-incidence place for fires, and a large amount of oil fume will be generated during use. After long-term accumulation, once the adsorbed grease encounters high temperature or open fire and burns, it will cause a fire if it is not controlled; It can extinguish the surface fire of the oil, but the temperature of the oil cannot be lowered, so it is easy to re-ignite, and for the fire fighting of the flue, ordinary fire extinguishers cannot enter the flue at all, and cannot effectively extinguish the fire location. Enterprises and people's lives and properties have brought serious losses.

Contents of the invention

The technical problem mainly solved by the invention is to provide an intelligent kitchen equipment fire extinguishing system.

In order to solve the problems of the technologies described above, a technical solution adopted in the present invention is:

An intelligent kitchen equipment fire extinguishing system is provided, comprising: a tensioning device, an end signal sensor is provided at the end of the tensioning device, the end signal sensor is electrically connected to a controller, and the disconnection of the temperature sensor on the tensioning device Trigger the end signal sensor to output a fire signal to the controller;

Fire extinguishing mechanism, the fire extinguishing mechanism includes a fire extinguishing agent bottle, a starting bottle, an electromagnetic driver for puncturing the starting valve is arranged on the starting bottle, the electromagnetic driver is electrically connected with the controller, after the starting valve is punctured, the starting bottle and the fire extinguishing agent The bottle is connected, and the outlet of the fire extinguishing agent bottle is connected with the fire extinguishing pipeline;

A water supply mechanism, the water supply mechanism includes a water supply pipeline, a water flow valve that controls communication with the fire extinguishing pipeline, and the water flow valve is arranged on the water supply pipeline and is electrically connected to the controller;

The spray head is arranged on the fire extinguishing pipeline.

In a preferred embodiment of the present invention, the tensioning device includes a U-shaped bracket, a pull hook of a temperature-sensitive sheet and a temperature-sensitive sheet matched therewith.

In a preferred embodiment of the present invention, the pull hook of the temperature sensing sheet includes a first pull tab and a second pull tab, one end of each of the first pull tab and the second pull tab is connected by a shaft, and the first pull tab and the second pull tab The other end of each piece is set to hook the limiting end of the temperature sensing piece.

In a preferred embodiment of the present invention, when the other ends of the first pull-tab and the second pull-tab are hooked to the temperature-sensing sheet, the first pull-tab and the second pull-tab have a V-shaped structure.

In a preferred embodiment of the present invention, the first pull tab and the second pull tab are respectively provided for positioning the winding end of the wire rope.

In a preferred embodiment of the present invention, the end signal sensor includes a signal feedback linkage valve for outputting a fire signal to the controller and an end adjustment mechanism for adjusting the tension of the wire rope, respectively arranged at both ends of the tensioning device.

In a preferred embodiment of the present invention, the signal feedback linkage valve includes a piston rod, a spring, and a micro switch seat arranged in the valve body, and the piston can move along the centerline of the valve body.

In a preferred embodiment of the present invention, the piston rod is provided with a wire rope buckle for fixing the wire rope. When the end adjustment mechanism tensions the wire rope, the spring is compressed against the piston rod, and the piston rod does not touch the micro switch seat. micro switch.

In a preferred embodiment of the present invention, a decompression valve is set on the output pipeline of the starting bottle, and the gas inside the starting bottle enters the fire extinguishing agent bottle through the medicament siphon pipeline after being decompressed, and the outlet of the medicament siphon pipeline is located close to the fire extinguishing agent. The position of the bottom of the bottle.

In a preferred embodiment of the present invention, the first solenoid valve, the first solenoid valve is arranged on the kitchen gas pipeline and is connected to the controller with an electrical signal, when the controller receives the fire extinguishing start signal Shut off the gas line.

The beneficial effects of the present invention are: to provide an intelligent kitchen equipment fire extinguishing system, when a fire occurs on the kitchen stove and its exhaust duct, when the heat generated by the flame reaches the fusing temperature of the temperature sensor, the temperature sensor is disconnected and the tensioning device is loosened , the terminal signal sensor is triggered to output a fire signal to the controller, and the controller opens the fire extinguishing agent bottle so that the fire extinguishing agent is sprayed out through the fire extinguishing pipe to the nozzle, and at the same time, the fire on the stove and the smoking hood is extinguished, and the subsequent cold water passes through the fire extinguishing pipe to the nozzle to cool down , to prevent the flame from re-igniting, and at the same time, the controller closes the gas pipeline when receiving the fire extinguishing start signal, and transmits the fire signal to the fire control center to issue an alarm to prevent the fire from expanding or even exploding, timely and accurate fire extinguishing, reducing losses, and reducing casualties .

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, wherein:

Fig. 1 is a schematic diagram of the overall structure of a preferred embodiment of the intelligent kitchen equipment fire extinguishing system of the present invention;

Fig. 2 is a structural schematic diagram of the tensioning device of a preferred embodiment of the intelligent kitchen equipment fire extinguishing system of the present invention;

Fig. 3 is a U-shaped bracket structure schematic diagram of a preferred embodiment of the intelligent kitchen equipment fire extinguishing system of the present invention;

Fig. 4 is a schematic diagram of the structure of the temperature-sensing sheet hook of a preferred embodiment of the intelligent kitchen equipment fire extinguishing system of the present invention;

Fig. 5 is a structural schematic diagram of a feedback linkage valve of a preferred embodiment of the intelligent kitchen equipment fire extinguishing system of the present invention;

Fig. 6 is a schematic diagram of the terminal adjustment mechanism of a preferred embodiment of the intelligent kitchen equipment fire extinguishing system of the present invention;

Fig. 7 is a schematic diagram of the nozzle structure of a preferred embodiment of the intelligent kitchen equipment fire extinguishing system of the present invention;

Fig. 8 is a schematic diagram of a controller of a preferred embodiment of the intelligent kitchen equipment fire extinguishing system of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 8, the embodiment of the present invention comprises:

An intelligent kitchen equipment fire extinguishing system, comprising: a tensioning device 1, an end signal sensor 2 is arranged at the end of the tensioning device 1, the terminal signal sensor 2 is electrically connected to a controller 4, and the temperature sensing sheet 3 on the tensioning device 1 Disconnect the trigger terminal signal sensor 2 to output the fire signal to the controller 4; the fire extinguishing mechanism 5, the fire extinguishing mechanism 5 includes a fire extinguishing agent bottle 51, a starting bottle 52, and the starting bottle 52 is provided with an electromagnetic driver 54 for puncturing the starting valve 53, and the electromagnetic The driver 54 is electrically connected with the controller 4. After the starting valve 53 is pierced, the starting bottle 52 communicates with the fire extinguishing agent bottle 51, and the outlet of the fire extinguishing agent bottle 51 communicates with the fire extinguishing pipeline 6; the water supply mechanism includes a water supply pipeline, Control the water flow valve 61 communicated with the fire extinguishing pipeline 6, the water flow valve 61 is arranged on the water supply pipeline and is electrically connected with the controller 4; the nozzle 8, the nozzle 8 is arranged on the fire extinguishing pipeline 6; when a fire occurs, the flame temperature reaches At a certain temperature for a period of time, the temperature sensing sheet 3 on the tensioning device 1 is fused, so that the steel wire rope 23 of the tensioning device 1 is no longer tensioned, and the end signal sensor 2 connected to the steel wire rope 23 is triggered, and sends a signal to the controller 4 to control The device 4 drives the electromagnetic driver 54 to puncture the starting valve 53 on the outlet of the starting bottle 52 and simultaneously opens the water flow valve 61 of the cooling water. The nitrogen in the starting bottle 52 is transported to the fire extinguisher bottle along the siphon through the pressure reducing valve 55, and the fire extinguishing agent is pushed out. After a period of time, the pressure of the fire extinguishing agent in the fire extinguishing pipeline 6 decreases, and the cooling water output is transported to the nozzle 8 along the fire extinguishing pipeline 6 for fire extinguishing. When the controller 4 receives the fire extinguishing start signal The gas pipeline is closed by the first solenoid valve 71 .

Preferably, the starting valve 53 is a stainless steel sheet, and the outlet of the fire extinguishing agent bottle 51 is provided with a container valve, and the siphon connected with the container valve extends into the fire extinguishing agent bottle 51 and is close to the bottom of the bottle.

Preferably, the spray head 8 includes a casing 81, a nozzle core 82, a filter screen 83, and a retaining spring 84, and the nozzle core 82, the filter screen 83, and a retaining spring 84 are placed in sequence in the housing 81, and the retaining spring 84 plays a position-limiting role to place the nozzle core. 82. The filter screen 83 falls out.

Preferably, the nozzle core 82 includes two intersecting slope structures. When the water flow enters the nozzle 8, due to the water pressure acting on the crossing slope structure, the sprayed water flow is in the state of water mist, which is easier to absorb heat and cool the combustion reaction, and can be more efficient. OK to put out the fire.

Preferably, a check valve 62 is provided on the fire extinguishing pipeline 6 near the water flow valve 61 and at the outlet of the fire extinguishing agent bottle 51 .

Tensioning device 1 comprises U-shaped support 11, the temperature-sensitive sheet drag hook 12 that cooperates with temperature-sensitive sheet 3, groove 13 is set on the bottom plate of U-shaped support 11, and temperature-sensitive sheet drag hook 12 is stuck in groove 13 and is positioned, preferably Ground, the groove 13 is composed of L-shaped structural parts 14 placed back to back, the L-shaped structural parts 14 are welded on the bottom plate of the U-shaped bracket 11, and the two ends of the U-shaped bracket 11 are respectively provided with assembly holes 15 for installing terminal signal sensors 2. A mounting hole 16 is provided on the bottom plate of the U-shaped bracket 11 for fixing on the exhaust hood 9 above the cooktop 7, the flue or other monitoring positions.

The temperature-sensing sheet hook 12 includes a first pull-tab 31 and a second pull-tab 32, one end of the first pull-tab 31 and the second pull-tab 32 are axially connected, and the other ends of the first pull-tab 31 and the second pull-tab 32 are respectively The position-limiting end 35 hooking the temperature-sensing sheet 3 is set, and the two ends of the temperature-sensing sheet 3 are provided with pull holes, and the respective limit ends 35 of the first pull sheet 31 and the second pull sheet 32 pass through the pull holes respectively, and the first pull The wrapping ends 33 for positioning the steel wire rope 23 are respectively arranged on the piece 31 and the second pull piece 32, and the respective winding ends 33 of the first pull piece 31 and the second pull piece 32 can be arranged on the same side or different sides, and the first pull piece 31 and the rotating shaft 34 connected to the second pull piece 32 protrude from the first pull piece 31 and the second pull piece 32 for winding the wire rope 23 .

When the other ends of the first pull-tab 31 and the second pull-tab 32 are set to hook the temperature-sensing sheet 3, since the length of the temperature-sensing sheet 3 is less than the total length of the first pull-tab 31 and the second pull-tab 32, the first pull The sheet 31 and the second pull sheet 32 have a V-shaped structure.

The temperature sensing sheet 3 includes a first sheet body 311 and a second sheet body 322, and the respective one ends of the first sheet body 311 and the second sheet body 322 are connected together by a connecting piece, and the connecting piece can be fused so that the first sheet body 311 and the second sheet body 322 are connected together. The second sheet 322 is separated. Preferably, the connector is an adhesive, which glues and fixes the respective ends of the first sheet 311 and the second sheet 322, and the melting point of the adhesive is the set melting point, set The time can be fusing, preferably, the selected setting melting point is 183°C, and the fusing time is 5 seconds.

The intelligent kitchen equipment fire extinguishing system of the present application includes a plurality of tensioning devices 1, which are respectively connected in series at equal distances through steel wire ropes 23. The tensioning devices 1 are located above the stove 7 and above other flammable devices such as flues. In terms of fire extinguishing properties and trigger timeliness, a tensioning device 1 is arranged at intervals of one meter above the flammable device. Preferably, the number of tensioning devices 1 is determined according to the number of fire extinguishing agent bottles 51, and 4 tensioning devices are set for a single bottle group. 1. The double bottle group is equipped with 7 tensioning devices 1.

The end signal sensor 2 includes a signal feedback linkage valve 21 for outputting a fire signal to the controller 4 and an end adjustment mechanism 22 for adjusting the tension of the steel wire rope 23, which are respectively arranged at both ends of all the tensioning devices 1. The device 1 is a series structure, so after the temperature sensing piece 3 of any tensioning device 1 is fused, it will trigger the signal feedback linkage valve 21 to send a fire signal. The signal feedback linkage valve 21 and the end adjustment mechanism 22 are respectively arranged on the U-shaped bracket 11 The assembly holes 15 at both ends of the handle are assembled, the signal feedback linkage valve 21 is connected to one end of the wire rope 23, and the wire rope 23 passes through the winding end 33 of the first pull piece 31, the rotating shaft 34, the winding end 33 of the second pull piece 32, and the wire rope 23 The other end is fixedly connected with the terminal adjustment mechanism 22.

Preferably, the steel wire rope 23 can also be replaced by other tough metal ropes with a high melting point, and the melting point is higher than the set melting point.

The end adjustment mechanism 22 includes an end adjustment nut 221 and a matching end adjustment nut 222. The end adjustment nut 221 and the end adjustment nut 222 are arranged on the same central axis. One end of the U-shaped bracket 11 is provided with a pipe joint, and the pipe joint is arranged with the end adjustment nut. 221, the end adjustment nut 221 is fixedly connected to the pipe joint, the end adjustment nut 222 can be installed on the end adjustment nut 221 by rotation, and the wire rope 23 is installed on the end of the end adjustment nut 222, preferably, the end adjustment nut 221 and the end adjustment nut 222 are respectively provided with through holes 223 communicating with each other. The central axis of the through hole 223 is the same central axis as the end adjustment nut 221 and the end adjustment nut 222. The steel wire rope 23 passes through the through hole 223 and is fixed at the end. The end of the adjusting nut 222 is adjusted to adjust the tension of the wire rope 23 by rotating the end adjusting nut 222 .

Signal feedback linkage valve 21 includes valve seat 211, valve body 212, bonnet 213, piston rod 214, piston nut 215, coil spring 217, wire rope buckle 218, micro switch seat 216, safety pin 24, valve seat 211 and valve Fitting threads are respectively provided on the body 212 for connection. Preferably, one end of the valve body 212 connected with the valve seat 211 is threaded and extends into the assembly hole 15 of the U-shaped bracket 11, and the valve seat 211 is screwed from the other side of the assembly hole 15. One end of the upper valve body 212 is provided with threads for connection, and the valve body 212 and the bonnet 213 are respectively provided with matching threads for connection. Cavity, the micro switch seat 216 is placed in the cavity inside the valve cap 213, the safety pin 24 is inserted into the valve body 212 to limit the position of the piston rod 214, from the end where the valve body 212 is connected to the valve cap 213 to the valve seat 211 One end of the piston rod 214, piston nut 215, and coil spring 217 are placed in turn, and one end of the steel wire rope 23 passes through the center hole of the coil spring 217 and the piston nut 215 to connect with the wire rope buckle 218, and the wire rope buckle 218 is arranged on the end of the piston rod 214. part of the cavity, the end of the piston rod 214 is provided with a thread that matches the piston nut 215 and is used to connect with the piston nut 215. The size of the wire rope buckle 218 is greater than the size of the center hole of the piston nut 215, so that one end of the wire rope 23 is connected to the piston rod. The end of 214 is fixed, and the Phillips screw 220 that is used for installing is arranged on microswitch seat 216.

The micro switch seat 216 is located near the trigger end of the piston rod 214, the end adjustment mechanism 22 adjusts the tension of the wire rope 23, the wire rope 23 pulls the piston rod 214, the coil spring 217 is in a compressed state against the piston rod 214, and the piston rod The trigger end of 214 does not touch the microswitch 219 of the microswitch seat 216. After the installation is completed, when in use, the safety pin 24 is pulled out. is released, so that the wire rope 23 is no longer tensioned, and because the elasticity of the coil spring 217 drives the piston rod 214 to move toward the micro switch seat 216, the trigger end of the piston rod 214 contacts the micro switch 219 of the micro switch seat 216, and the micro switch 219 Automatic switch base 216 just sends electric signal to report fire to controller 4 and takes place.

After the controller 4 receives the fire signal, it sends instructions to the electromagnetic driver 54, the water flow valve 61, the sound and light alarm, the first electromagnetic valve 71 of the gas pipeline, the exhaust fan 10, and the fire control center to carry out fire extinguishing work and alarm.

The beneficial effects of the intelligent kitchen equipment fire extinguishing system of the present invention are: to provide an intelligent kitchen equipment fire extinguishing system, when a fire occurs on the kitchen stove and its flue, when the heat generated by the flame reaches the fusing temperature of the temperature sensor, the temperature sensor will be cut off. Open the tensioning device, trigger the end signal sensor to output a fire signal to the controller, and the controller opens the fire extinguishing agent bottle so that the fire extinguishing agent passes through the fire extinguishing pipe to the nozzle and sprays out, and at the same time extinguishes the fire on the stove and smoking hood, and the subsequent cold water passes through the fire extinguishing The pipeline reaches the nozzle to cool down to prevent the flame from re-igniting. At the same time, the controller closes the gas pipeline when receiving the fire extinguishing start signal, and transmits the fire signal to the fire control center to issue an alarm to prevent the fire from expanding or even explode. Fire extinguishing is timely and accurate, reducing losses. , to reduce casualties.

The above descriptions are only examples of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the description of the present invention, or directly or indirectly used in other related technical fields, shall be The same reasoning is included in the patent protection scope of the present invention.

Claims (10)

1. a kind of intelligent kitchen equipment fire-fighting system characterized by comprising the end of tension device, the tension device is set Set terminal signal transducer, distal tip signal sensor and controller are electrically connected, the disconnection of the temperature detector on the tension device It triggers distal tip signal sensor and exports fire signal to controller；

Fire suppression mechanism, the fire suppression mechanism include extinguishing chemical bottle, starting bottle, start the electromagnetism being arranged on bottle for puncturing trigger valve Driver, electromagnetic driver and controller are electrically connected, and after trigger valve is punctured, starting bottle is communicated with extinguishing chemical bottle, extinguishing chemical The outlet of bottle is communicated with fire extinction pipeline；

Water supply mechanism, the water supply mechanism include the water flow valve that water supply pipe, control are communicated with fire extinction pipeline, and the water flow valve is set It is placed on water supply pipe and is electrically connected with the controller；

Spray head, the spray head are set on fire extinction pipeline.

2. intelligent kitchen equipment fire-fighting system according to claim 1, which is characterized in that the tension device includes U-shaped Bracket, thermal sensitive piece drag hook and thermal sensitive piece engaged therewith.

3. intelligent kitchen equipment fire-fighting system according to claim 2, which is characterized in that the thermal sensitive piece drag hook includes the One pulling-on piece and the second pulling-on piece, the first pulling-on piece and the respective one end axis connection of the second pulling-on piece, the first pulling-on piece and the second pulling-on piece are respective The positive stop end for catching on thermal sensitive piece is arranged in the other end.

4. intelligent kitchen equipment fire-fighting system according to claim 3, which is characterized in that first pulling-on piece and second is drawn When thermal sensitive piece is caught in the respective other end setting of piece, the first pulling-on piece and the V-shaped structure of the second pulling-on piece.

5. intelligent kitchen equipment fire-fighting system according to claim 2, which is characterized in that first pulling-on piece, second are drawn On piece is respectively arranged to the winding end of positioning wire rope.

6. intelligent kitchen equipment fire-fighting system according to claim 1, which is characterized in that the distal tip signal sensor packet Include the signal feedback interstage valve for exporting fire signal to controller at the both ends for being separately positioned on tension device, for adjusting The end regulating mechanism of steel wire tensioning.

7. intelligent kitchen equipment fire-fighting system according to claim 6, which is characterized in that the signal feeds back interstage valve packet It includes and is arranged in the intracorporal piston rod of valve, spring, microswitch seat, piston can be moved along the centerline direction of valve body.

8. intelligent kitchen equipment fire-fighting system according to claim 1, which is characterized in that setting is used on the piston rod The steel cable clamp of fixed wirerope, when end regulating mechanism is tensioned wirerope, spring resists piston rod, piston in compressive state Bar does not contact the microswitch of microswitch seat.

9. intelligent kitchen equipment fire-fighting system according to claim 1, which is characterized in that the output pipe of the starting bottle Upper setting pressure reducing valve starts the gas inside bottle and enters extinguishing chemical bottle, medicament siphon by medicament siphon pipeline after decompression The outlet of pipeline is located adjacent to the position of extinguishing chemical bottle bottom of bottle.

10. intelligent kitchen equipment fire-fighting system according to claim 1, which is characterized in that first solenoid valve, it is described First solenoid valve is set on kitchen fuel gas pipeline and connect with the controller electric signal, receives fire extinguishing in the controller Fuel gas pipeline is closed when enabling signal.