CN107961460A - A kind of automatic fire extinguisher of range hood smoke evacuation system - Google Patents
A kind of automatic fire extinguisher of range hood smoke evacuation system Download PDFInfo
- Publication number
- CN107961460A CN107961460A CN201710322804.7A CN201710322804A CN107961460A CN 107961460 A CN107961460 A CN 107961460A CN 201710322804 A CN201710322804 A CN 201710322804A CN 107961460 A CN107961460 A CN 107961460A
- Authority
- CN
- China
- Prior art keywords
- range hood
- smoke
- fire
- flue
- resisting damper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/386—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the closure members being rotatable or pivoting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
Abstract
A kind of automatic fire extinguisher of range hood smoke evacuation system, including range hood, fire resisting damper, smoke pipe, sprinkling fire-distinguishing mechanism, sensor, smoke deflector elevating mechanism and controller, sprinkling fire-distinguishing mechanism is to spraying firing-fighting medium inside smoke pipe and range hood flue, temperature or smokescope in sensor detection range hood flue, smoke deflector elevating mechanism driving smoke deflector makees elevating movement, electric signal is connected between controller and sensor, the work shape of controller control smoke deflector elevating mechanism, fire resisting damper switching mechanism and sprinkling fire-distinguishing mechanism.The advantage of the invention is that：When range hood internal fires, controller controls fire resisting damper, smoke deflector elevating mechanism and sprinkling fire-distinguishing mechanism after detecting sensor output signal, fire resisting damper and smoke deflector is set to act at the same time, the Internal Flue of range hood is isolated from the outside, fan power is cut off at the same time, sprinkling fire-distinguishing mechanism prevents from burning away inside flue, realizes rapid fire extinguishing to flue internal firefighting.
Description
Technical field
The present invention relates to a kind of extinguishing device, more particularly, to a kind of automatic fire extinguisher of range hood smoke evacuation system.
Background technology
Range hood is the household electrical appliance of kitchen indispensability, and range hood is using in a period of time, and meeting is attached on spiral case and oil network
Oil film, further, since Chinese style top easily causes pot to catch fire when frying, flare is easy to trigger once on the oil film for channeling to oil network
Range hood catches fire, and seriously endangers user security.At present, people have invented the range hood with automatic fire-extinguishing function, such as specially
Profit number is disclosed in the Chinese utility model of ZL 201620779684.4 (Authorization Notice No. is 205913671 U of CN)《One
Kind fire extinguishing system and range hood》, which includes temperature sensor, extinguishing device and controller, temperature sensor
For detecting the temperature of range hood, extinguishing device is used for spraying firing-fighting medium, in preset time, is preset when temperature value is more than
During temperature, controller control extinguishing device performs fire extinguishing effect, in this way, after the fire extinguishing system is integrated on range hood, oil suction
Smoke machine can judge whether on fire, rear controller control extinguishing device execution fire extinguishing effect on fire by temperature sensor.And for example
Disclosed in the Chinese invention patent application of Application No. 201510840587.1 (application publication number is 105333478 A of CN)
《Range hood and its control method with extinguishing device》, the range hood include housing, wind turbine, controller, pacify on housing
Equipped with the temperature-detecting device, mist detecting device and spray equipment being connected with controller, controller according to temperature-detecting device,
The control spray equipment work of signal that mist detecting device detects, can be automatic when around smoke machine and itself occurring fire
Spray reaches the effect of fire extinguishing.Although above-mentioned range hood can by sensor detection temperature or smokescope, controller according to
The sensor signal detected controls extinguishing device to work, so as to realize self-extinguishing when range hood is on fire, carries
The high safety in utilization of range hood, still, this range hood cannot be by range hood when extinguishing device works
Flue be isolated from the outside and come, flare easily channels in common duct and channels to downwards oil suction when on fire inside range hood
Below smoke machine, so as to be easy to cause fire spreading, it is unfavorable for quick extinguishing, extinguishing effect is bad.In conclusion need to existing
The extractor hood structure with automatic fire extinguisher be further improved.
The content of the invention
The technical problems to be solved by the invention are to be directed to above-mentioned state of the art, there is provided can be by cigarette when a kind of on fire
The automatic fire extinguisher for the range hood smoke evacuation system that road is isolated with exterior space.
Technical solution is used by the present invention solves above-mentioned technical problem：The self-extinguishing of the range hood smoke evacuation system
Device, including range hood, fire resisting damper and the smoke pipe being connected between the air outlet of range hood and fire resisting damper, the fume-exhausting
Machine includes wind turbine and smoke deflector, it is characterised in that：Further included sprinkling fire-distinguishing mechanism, sensor, smoke deflector elevating mechanism and
Controller, the sprinkling fire-distinguishing mechanism are used for spraying firing-fighting medium, the biography to the inside of the smoke pipe and range hood flue
Sensor is used for detecting the temperature or smokescope in range hood flue, and the smoke deflector elevating mechanism is used for driving described lead
Cigarette plate makees elevating movement, and electric signal is connected between the signal input part of the controller and the signal output part of the sensor,
The controller controlled by the output signal of the sensor received the wind turbine, smoke deflector elevating mechanism, fire resisting damper and
The working status of sprinkling fire-distinguishing mechanism.
Sprinkling fire-distinguishing mechanism can have various structures, it is preferable that the sprinkling fire-distinguishing mechanism includes water pump component and water
Pipe, the water pump component be installed on range hood top, the water pipe be arranged on smoke pipe inside, water pump component have water inlet with
And the water outlet being connected with water pipe water inlet.
Further preferably, the water pipe has along the smoke pipe jet segment of smoke pipe distribution of lengths and at fan outlet
In duct sorbent injection section, the in duct sorbent injection section is extended laterally from the bottom of smoke pipe jet segment to the water outlet of water pump component, and cigarette
The water inlet of road jet segment is connected with the water outlet of water pump component.
Smoke deflector elevating mechanism can have various structures, and the smoke deflector elevating mechanism includes driving motor and driving
The lower elevating lever that can make elevating movement of motor driving, the driving motor are arranged on the casing internal of range hood, the elevating lever
Lower end be connected on the smoke deflector.
Fire resisting damper switching mechanism can have various structures, it is preferable that the fire resisting damper include valve body, valve block, actuator,
Screens elastic piece, valve block closed rod and torsional spring, the actuator are installed on the valve body, and the screens elastic piece is arranged on described
Deformation can be produced on the output terminal of actuator and under the driving of actuator, one end of the valve block closed rod is installed on the valve
On body, for spacing on the screens elastic piece for not producing deformation, one end of the torsional spring is installed on the valve body other end,
The other end is installed on the middle part of the valve block closed rod, produces deformation in the screens elastic piece and is separated with valve block closed rod
In the state of, the valve block closed rod pushes down the valve block under the action of torsional spring and closes fire resisting damper.
Further preferably, the actuator is electric expansion device or wax motor.
Compared with prior art, the advantage of the invention is that：The automatic fire extinguisher of the range hood smoke evacuation system will spray
Leaching fire suppression mechanism combines with the movement of fire resisting damper, wind turbine, smoke deflector, when range hood internal fires, controller detection
Fire resisting damper, smoke deflector elevating mechanism and sprinkling fire-distinguishing mechanism can be controlled after to the output signal of sensor, makes fire resisting damper and leads
Cigarette plate acts at the same time, and while fire resisting damper is closed, smoke deflector moves up and closes the air inlet of range hood, so that inhaling
The Internal Flue of kitchen ventilator is isolated from the outside, while fan power is cut off, and sprinkling fire-distinguishing mechanism starts to carry out flue inside
Fire extinguishing, prevents from burning away inside flue, realizes rapid fire extinguishing.
Brief description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention；
Fig. 2 is the sectional view of the range hood of the embodiment of the present invention；
Fig. 3 is structure diagram of the range hood of the embodiment of the present invention under normal smoke evacuation state；
Fig. 4 is structure diagram of the range hood of the embodiment of the present invention under on fire, fire extinguishing state；
Fig. 5 is the structure diagram of the fire resisting damper of the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figures 1 to 4, the automatic fire extinguisher of the range hood smoke evacuation system in the present embodiment includes range hood
1st, fire resisting damper 2, smoke pipe 3, sprinkling fire-distinguishing mechanism 4, sensor 5, smoke deflector elevating mechanism 6 and controller (not shown).
Range hood 1 includes casing 10, wind turbine 11, smoke deflector 12 and exhaust fume collecting hood 13, and wind turbine 11 is installed on inside casing 10,
Exhaust fume collecting hood 13 is installed on 10 bottom of casing, and smoke deflector 12 can carry out elevating movement under the action of smoke deflector elevating mechanism 6, and
And smoke deflector 12 can substantially be bonded exhaust fume collecting hood 13 when being moved upward to extreme higher position, so as to by the air inlet of range hood 1
Close.Smoke pipe 3 is connected between the air outlet of fire resisting damper 2 and range hood 1, after fire resisting damper 2 is opened, smoke pipe 3 and common duct
It is connected.
Sprinkling fire-distinguishing mechanism 4 is used for spraying firing-fighting medium to the inside of 1 flue of smoke pipe 3 and range hood.The present embodiment
Sprinkling fire-distinguishing mechanism 4 includes water pump component 41 and water pipe 42, and water pump component 41 is installed on the top of range hood 1, and water pipe 42 is set
Inside smoke pipe 3, water pump component 41 has water inlet 411 and water outlet 412, which is connected with 42 water inlet of water pipe
It is logical.It can control whether water pump component 41 supplies water to water pipe 42 by controller.In order to to smoke pipe 3 and range hood
Flue water spray inside 1, the water pipe 42 have along the smoke pipe jet segment 421 of smoke pipe distribution of lengths and at fan outlet
In duct sorbent injection section 422, in duct sorbent injection section 422 laterally prolongs from the bottom of smoke pipe jet segment 421 to the water outlet of water pump component 41
Stretch, and the water inlet of in duct sorbent injection section 422 is connected with the water outlet of water pump component 41.In this way, smoke pipe jet segment 421 can be to cigarette
Water spray, in duct sorbent injection section 422 can spray downwards in pipe 3, so as to spray water to the flue inside range hood 1.
The sensor 5 of the present embodiment is installed on the air inlet of range hood, can use temperature sensor, be passed with temperature
Sensor can detect the temperature inside range hood flue, can also use smoke sensor device, be inhaled with smoke sensor device to detect
Smokescope inside kitchen ventilator flue.
The smoke deflector elevating mechanism 6 of the present embodiment includes driving motor 61 and can make lifting fortune in the case where driving motor 61 drives
Dynamic elevating lever 62.Wherein, motor 61 is driven to be arranged on inside the casing 10 of range hood 1, the lower end of elevating lever 62, which is connected to, leads
On cigarette plate 12.Smoke deflector 12 can be substantially bonded when moving to extreme higher position with exhaust fume collecting hood 13, thus close range hood 1 into
Air port.
As shown in figure 5, the fire resisting damper 2 of the present embodiment includes valve body 21, valve block 22, actuator 23, screens elasticity
Piece 24, valve block closed rod 25 and torsional spring 26, actuator 23 are installed on valve body 21, and screens elastic piece 24 is arranged on the defeated of actuator 23
Deformation can be produced in outlet and under the driving of actuator, one end of valve block closed rod 25 is installed on valve body 21, and the other end is used
Next spacing on the screens elastic piece 24 for not producing deformation, one end of torsional spring 26 is installed on valve body 21, and the other end is installed on valve
The middle part of piece closed rod 25, in the state of the generation deformation of screens elastic piece 24 is separated with valve block closed rod 25, valve block closes
Bar 25 is closed to push down valve block 22 under the action of torsional spring 26 and close fire resisting damper.In the present embodiment, actuator 23 is stretched using electronic
Contracting device or wax motor.
Electric signal is connected between the signal input part of controller and the signal output part of sensor 5, and controller passes through reception
To the output signal of sensor 5 control the wind turbine 11 of range hood 1, smoke deflector elevating mechanism 6, fire resisting damper 2 and the spray to go out
The working status of lighter structure 4.
By taking temperature sensor as an example, when which works, the temperature sensor inside range hood detects suction
When kitchen ventilator internal temperature exceedes certain critical value, controller judges that machine has caught fire according to the signal of sensor, and then, control
The actuator 23 of device control fire resisting damper 2, which is powered, to be stretched out, and is promoted screens elastic piece 24 to deform, valve block closed rod 25 is made in torsional spring 26
With lower positive closing valve body 21, flare is avoided to scurry into common duct, meanwhile, smoke deflector elevating mechanism 6 is under the control of the controller
Driving smoke deflector 12 moves upwards, and up to fitting with exhaust fume collecting hood 13 or being substantially bonded and close the air inlet of range hood,
At this time, the inner space of relative insulation is formed between fire resisting damper 2 and smoke deflector 12, the inner space of the relative insulation lacks oxygen
And it can not burn away.At the same time, under the action of controller, the power supply of 11 motor of wind turbine of range hood is cut off, makes wind
Machine 11 stops operating, and 41 feed pipe 42 of water pump component supplies water, and makes the jet port of water pipe 42 into the flue of smoke pipe 3 and range hood
Carry out spray cooling.
In addition, in the present embodiment, detergent addition box 43 is also set up by water pump component 41, in detergent addition box 43
Liquid detergent class detergent can be added in advance, usually can be used for cleaning flue and range hood, so as to further reduce flue
The probability of fire.
The range hood of the present embodiment can also have cleaning model, and during into cleaning model, sensor does not work, this
When, under the control of the controller, smoke deflector 12 is moved upward to extreme higher position by smoke deflector elevating mechanism 6, closes range hood 1
Air inlet, be internally formed the inner space of relative insulation in range hood 1, and cut off the power supply of 11 motor of wind turbine, water pipe
The air outlet of 42 pairs of smoke pipes 3 and range hood 1 is sprayed water or the cleaning of spray rinsing liquid, thoroughly cleans smoke pipe 3 and range hood 1,
And prevent cleaning solution to be splashed in stove table-board, lift user experience.In addition, in a cleaning mode, fire resisting damper 2 can close,
It can not also close.
The foregoing is merely the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Under the premise of the principle of the present invention is not departed from, a variety of remodeling or improvement can be carried out to the present invention, these are regarded as the present invention
Protection domain within.
Claims (6)
1. a kind of automatic fire extinguisher of range hood smoke evacuation system, including range hood (1), fire resisting damper (2) and it is connected to suction
Smoke pipe (3) between the air outlet and fire resisting damper of kitchen ventilator, the range hood (1) include wind turbine (11) and smoke deflector
(12), it is characterised in that：Sprinkling fire-distinguishing mechanism (4), sensor (5), smoke deflector elevating mechanism (6) and controller have been further included,
The sprinkling fire-distinguishing mechanism (4) is used for spraying firing-fighting medium to the inside of the smoke pipe (3) and range hood (1) flue, described
Sensor (5) is used for detecting the temperature or smokescope in range hood flue, and the smoke deflector elevating mechanism (6) is used for driving
Move the smoke deflector (12) and make elevating movement, the signal output part of the signal input part of the controller and the sensor (5)
Between electric signal be connected, the controller is controlled the wind turbine (11), is led by the output signal of the sensor (5) received
The working status of cigarette plate elevating mechanism (6), fire resisting damper (2) and sprinkling fire-distinguishing mechanism (4).
2. the automatic fire extinguisher of range hood smoke evacuation system according to claim 1, it is characterised in that：The spray goes out
Lighter structure (4) includes water pump component (41) and water pipe (42), and the water pump component (41) is installed on the top of range hood (1)
Portion, the water pipe (42) are arranged on smoke pipe (3) inside, and water pump component (41) has water inlet (411) and intakes with water pipe (42)
The water outlet (412) that mouth is connected.
3. the automatic fire extinguisher of range hood smoke evacuation system according to claim 2, it is characterised in that：The water pipe
(42) have along the smoke pipe jet segment (421) of smoke pipe distribution of lengths and the in duct sorbent injection section (422) at fan outlet,
The in duct sorbent injection section (422) extends laterally from the bottom of smoke pipe jet segment (421) to the water outlet of water pump component (41), and cigarette
The water inlet of road jet segment (422) is connected with the water outlet of water pump component (41).
4. the automatic fire extinguisher of range hood smoke evacuation system according to claim 1, it is characterised in that：Described leads cigarette
Plate elevating mechanism (6) includes driving motor (61) and can make the elevating lever (62) of elevating movement under driving motor driving, described
Drive the casing (10) that motor (61) is arranged on range hood (1) internal, the lower end of the elevating lever (62) is connected to described lead
On cigarette plate (12).
5. the automatic fire extinguisher of range hood smoke evacuation system according to claim 1, it is characterised in that：The fire prevention
Valve (2) includes valve body (21), valve block (22), actuator (23), screens elastic piece (24), valve block closed rod (25) and torsional spring
(26), the actuator (23) is installed on the valve body (21), and the screens elastic piece (24) is arranged on the actuator (23)
Output terminal on and deformation can be produced under the driving of actuator, one end of the valve block closed rod (25) is installed on the valve body
(21) on, for spacing on the screens elastic piece (24) for not producing deformation, one end of the torsional spring (26) is installed on the other end
On the valve body (21), the other end is installed on the middle part of the valve block closed rod (25), is produced in the screens elastic piece (24)
Deformation and in the state of being separated with valve block closed rod (25), the valve block closed rod (25) is pushed down under the action of torsional spring (26)
The valve block (22) and close fire resisting damper.
6. the automatic fire extinguisher of range hood smoke evacuation system according to claim 5, it is characterised in that：The driving
Part (23) is electric expansion device or wax motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322804.7A CN107961460B (en) | 2017-05-09 | 2017-05-09 | Automatic fire extinguishing device of smoke exhaust system of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322804.7A CN107961460B (en) | 2017-05-09 | 2017-05-09 | Automatic fire extinguishing device of smoke exhaust system of range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107961460A true CN107961460A (en) | 2018-04-27 |
| CN107961460B CN107961460B (en) | 2022-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710322804.7A Active CN107961460B (en) | 2017-05-09 | 2017-05-09 | Automatic fire extinguishing device of smoke exhaust system of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107961460B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375346A (en) * | 2019-06-21 | 2019-10-25 | 宁波方太厨具有限公司 | A kind of control method of fume purifier of fume and the fume purifier of fume |
| CN110901942A (en) * | 2019-12-25 | 2020-03-24 | 长春师范大学 | Fume extractor based on large-load mooring unmanned aerial vehicle |
| CN112833437A (en) * | 2021-01-22 | 2021-05-25 | 南京金弓厨具设备有限公司 | Energy-conserving petticoat pipe of frequency conversion |
| CN114344760A (en) * | 2022-02-24 | 2022-04-15 | 南昌百济制药有限公司 | Range hood capable of automatically detecting and extinguishing fire |
| US11545014B1 (en) | 2020-08-18 | 2023-01-03 | ArchAngel Fire Systems Holdings, LLC | Fire detection devices and systems and methods for their use |
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| JP2006340956A (en) * | 2005-06-10 | 2006-12-21 | Morita Corp | Fire extinguishing apparatus for range hood |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110375346A (en) * | 2019-06-21 | 2019-10-25 | 宁波方太厨具有限公司 | A kind of control method of fume purifier of fume and the fume purifier of fume |
| CN110901942A (en) * | 2019-12-25 | 2020-03-24 | 长春师范大学 | Fume extractor based on large-load mooring unmanned aerial vehicle |
| US11545014B1 (en) | 2020-08-18 | 2023-01-03 | ArchAngel Fire Systems Holdings, LLC | Fire detection devices and systems and methods for their use |
| CN112833437A (en) * | 2021-01-22 | 2021-05-25 | 南京金弓厨具设备有限公司 | Energy-conserving petticoat pipe of frequency conversion |
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| CN114344760A (en) * | 2022-02-24 | 2022-04-15 | 南昌百济制药有限公司 | Range hood capable of automatically detecting and extinguishing fire |
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| Publication number | Publication date |
|---|---|
| CN107961460B (en) | 2022-11-25 |
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