CN115944865B - High-pressure water mist fire extinguishing device for kitchen - Google Patents
High-pressure water mist fire extinguishing device for kitchen Download PDFInfo
- Publication number
- CN115944865B CN115944865B CN202310130675.7A CN202310130675A CN115944865B CN 115944865 B CN115944865 B CN 115944865B CN 202310130675 A CN202310130675 A CN 202310130675A CN 115944865 B CN115944865 B CN 115944865B
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- China
- Prior art keywords
- water
- spray head
- range hood
- fire extinguishing
- smoke
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 239000003595 mist Substances 0.000 title claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 48
- 239000000779 smoke Substances 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 238000010411 cooking Methods 0.000 claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 239000006233 lamp black Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000008157 edible vegetable oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Fire Alarms (AREA)
Abstract
The invention discloses a kitchen high-pressure fine water mist fire extinguishing device, which relates to the technical field of kitchen fire extinguishing and comprises a detection device and a spray head, wherein the detection device and the spray head are fixedly arranged on a range hood, the detection device is arranged at the smoke suction opening position of the range hood, the spray head is arranged above the position, corresponding to a gas stove, on the cooking bench, of the range hood, the spray head is connected with an external high-pressure water supply pipeline through a valve, and an alarm for alarming after the detection device detects smoke is further arranged on the range hood; the beneficial effects are that: the time relay and the switch are arranged to be used in a matched mode, so that the condition that articles are damaged due to direct water spraying caused by false detection of the photoelectric smoke detector is reduced; the sealing block is arranged to block the fire extinguishing hole of the range hood, so that the situation that fire cannot be extinguished in time when fire occurs due to the fact that the water spraying hole is blocked by oil smoke generated when the range hood is used in daily life is avoided; the water absorbing net cover is arranged to absorb steam in the smoke flow, so that the influence of the steam on the detection of the photoelectric smoke detector is reduced.
Description
Technical Field
The invention relates to the field of kitchen fire extinguishment, in particular to a kitchen high-pressure fine water mist fire extinguishing device.
Background
Fire disaster caused by improper use of kitchen ranges is not uncommon, and the fire disaster is a special type fire disaster (K type) which is a main cause of kitchen fire disaster. The dry chemical fire extinguishing agent (foam and dry powder) can effectively extinguish the flame on the surface of the edible oil, but cannot effectively prevent the re-burning of fire. Wet chemical fire extinguishing agent (such as light water foam fire extinguishing system and saponification reaction foam fire extinguishing system) for extinguishing K-class fire, polluting environment, troublesome cleaning in later period and high price-! Therefore, fire extinguishment of a kitchen is always concerned, and along with development of technology, high-pressure water mist can be used for extinguishing class A, class B and class C fires and also suitable for class K fires (edible oil fires) due to improvement of fire extinguishing equipment.
At present, a plurality of bottle group type low-pressure water mist fire extinguishing systems (water mist) for kitchen protection are arranged, and the bottle group type water mist fire extinguishing systems have the following characteristics: the floor area is large, the persistence and the fire extinguishing effect are poor, the safety of the bottle group body is poor, the kitchen is flooded due to misoperation, the spray head is easy to be blocked because the use place is in a kitchen with large oil smoke, and the like.
Disclosure of Invention
The invention aims to solve the problems and provide the kitchen high-pressure water mist fire extinguishing device.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a kitchen high pressure water smoke extinguishing device, includes detection device and shower nozzle of fixed mounting on the lampblack absorber, detection device sets up in lampblack absorber smoke absorbing mouth position, the shower nozzle corresponds gas-cooker position top on the top of a kitchen range sets up, the shower nozzle passes through the valve and is connected with outside high pressure water supply pipeline, still be provided with on the lampblack absorber the alarm that reports to the police after detection device detects smog, top of a kitchen range one side still is provided with the switch that is used for eliminating the false alarm.
Preferably: the automatic alarm system also comprises a controller, wherein the detection device, the valve, the alarm and the switch are respectively and electrically connected with the controller.
Preferably: and a time relay is connected between the valve and the controller through an electric wire.
Preferably: the detection device is a photoelectric smoke detector, and a water absorption net cover is sleeved outside the detection device.
Preferably: the range hood is characterized in that a channel is formed in the range hood corresponding to the position of the spray head, the spray head comprises a spray pipe, a telescopic hose and a water spray head, the spray pipe is in sealing connection with the valve, the spray pipe is fixedly installed in the channel, the spray pipe is in sealing connection with the water spray head through the telescopic hose, a movable chamber is formed in the range hood corresponding to the lower end of the water spray head, a plurality of groups of sealing blocks and supporting springs are arranged in the movable chamber, the sealing blocks are supported by the supporting springs and are sealed and propped against each other to seal the lower end of the water spray head, and fire extinguishing holes are formed in the lower surface of the range hood corresponding to the lower position of the water spray head.
Preferably: the number of the sealing blocks and the supporting springs is 4 groups.
Preferably: the front end of the water spraying head is in a bullet shape, a flow guiding block is arranged inside the water spraying head and is of a hollow structure, a sealing check ring is connected between the middle part of the outer surface of the flow guiding block and the inner wall of the water spraying head in a sealing way, water inlets are formed in the periphery of the upper part of the flow guiding block, water outlets are formed in the lower part of the flow guiding block, and water spraying holes are formed in the middle of the lower end of the water spraying head.
Compared with the prior art, the invention has the beneficial effects that: the time relay and the switch are arranged to be used in a matched mode, so that the condition that articles are damaged due to direct water spraying caused by false detection of the photoelectric smoke detector is reduced; the sealing block is arranged to block the fire extinguishing hole of the range hood, so that the situation that fire cannot be extinguished in time when fire occurs due to the fact that the water spraying hole is blocked by oil smoke generated when the range hood is used in daily life is avoided; the water absorbing net cover is arranged to absorb steam in the smoke flow, so that the influence of the steam on the detection of the photoelectric smoke detector is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of a kitchen high-pressure fine water mist fire extinguishing device according to the present invention.
Fig. 2 is a schematic front view of a sealing block of the kitchen high-pressure fine water mist fire extinguishing device according to the invention.
Fig. 3 is a schematic view showing the bottom view of a sealing block of the kitchen high-pressure fine water mist fire extinguishing device.
Fig. 4 is a schematic view of the internal structure of a spray head of the kitchen high-pressure fine water mist fire extinguishing device according to the present invention.
The reference numerals are explained as follows:
1. a cooking bench; 2. a range hood; 3. a controller; 4. a valve; 5. an alarm; 6. a photoelectric smoke detector; 7. a water absorbing net cover; 8. a spray head; 81. a spray pipe; 82. a flexible hose; 83. a water spray head; 84. a sealing retainer ring; 85. a flow guiding block; 86. a water inlet hole; 87. a water outlet hole; 88. a water spraying hole; 9. a switch; 10. a channel; 11. a movable chamber; 12. a support spring; 13. a sealing block; 14. fire extinguishing holes.
Description of the embodiments
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, the high-pressure water mist fire extinguishing device for the kitchen comprises a detection device and a spray head 8 which are fixedly arranged on a range hood 2, wherein the detection device is used for detecting the concentration of smoke, the detection device is arranged at the smoke suction opening position of the range hood 2, the spray head 8 is arranged above the position of a gas stove on a cooking bench 1, the spray head 8 is connected with an external high-pressure water supply pipeline through a valve 4, an alarm 5 for alarming after the detection device detects the smoke is further arranged on the range hood 2, and a switch 9 for eliminating false alarm is further arranged on one side of the cooking bench 1; the device also comprises a controller 3, and a detection device, a valve 4, an alarm 5 and a switch 9 are respectively and electrically connected with the controller 3; a time relay is connected between the valve 4 and the controller 3 through an electric wire, and the time relay is used for delay control starting; the detection device is a photoelectric smoke detector 6, a water absorbing net cover 7 is sleeved outside the detection device, and the water absorbing net cover 7 is a metal net with a water absorbing material attached to the surface; the kitchen ventilator 2 is internally provided with a channel 10 corresponding to the position of the spray head 8, the spray head 8 comprises a spray pipe 81, a telescopic hose 82 and a water spray head 83, the spray pipe 81 is in sealing connection with the valve 4, the spray pipe 81 is fixedly arranged in the channel 10, the spray pipe 81 is in sealing connection with the water spray head 83 through the telescopic hose 82, the kitchen ventilator 2 is internally provided with a movable chamber 11 corresponding to the lower end position of the water spray head 83, the movable chamber 11 is internally provided with a plurality of groups of sealing blocks 13 and supporting springs 12, the sealing blocks 13 are supported by the supporting springs 12 and are sealed and propped up together to realize the sealing of the lower end of the water spray head 83, the side surface of the sealing block 13 is provided with an arc surface, and the lower surface of the kitchen ventilator 2 is provided with a fire extinguishing hole 14 corresponding to the lower position of the water spray head 83; the number of the sealing blocks 13 and the supporting springs 12 is 4 groups; the front end of the water spraying head 83 is arranged to be bullet-shaped, the sealing block 13 is convenient to jack, the water spraying head 83 is internally provided with the flow guiding block 85, the flow guiding block 85 is of a hollow structure, the middle part of the outer surface of the flow guiding block 85 is in sealing connection with the inner wall of the water spraying head 83, the sealing block 84 is used for blocking flow, the periphery of the upper part of the flow guiding block 85 is provided with water inlet holes 86, the lower part of the flow guiding block 85 is provided with water outlet holes 87, and the middle of the lower end of the water spraying head 83 is provided with water spraying holes 88.
Working principle: when the smoke-removing device is used, an external power supply is electrified, the controller 3 controls the water inlet of the valve 4 to be connected with an external high-pressure water supply pipeline, the photoelectric smoke detector 6 monitors smoke in real time, when the smoke appears on the cooking bench 1, the smoke remover 2 removes smoke, the smoke flow passes through the photoelectric smoke detector 6, the water-absorbing net cover 7 filters out water vapor in the air flow, the influence of the steam on smoke detection is reduced, when the smoke concentration reaches an alarm value, the alarm 5 alarms, the time relay is started, and if false alarm occurs due to the influence of the steam or the condition that the smoke is greatly cooked or even the fire in the pot appears, a user can stop the alarm 5 and the time relay by pressing the switch 9; if the situation of fire is that no person is in the scene and spontaneous combustion occurs, the time relay can open the valve 4 to spray water mist to extinguish the fire after reaching the set waiting time, so that the intelligent fire-extinguishing device is more intelligent and meets the use requirement.
The cooking bench 1, the range hood 2, the controller 3, the valve 4, the alarm 5, the photoelectric smoke detector 6, the telescopic hose 82 and the switch 9 are all general standard components or components known to a person skilled in the art, and the structure and the principle of the components are all known to the person skilled in the art through technical manuals or known through routine experimental methods, so that no description is made here.
While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present invention, it will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a kitchen high pressure water smoke extinguishing device, includes detection device and shower nozzle (8) on lampblack absorber (2) of fixed mounting, its characterized in that: the smoke detector is arranged at the smoke suction opening of the range hood (2), the spray head (8) is arranged above the position, corresponding to a gas stove on the cooking bench (1), of the spray head (8) and is connected with an external high-pressure water supply pipeline through a valve (4), the range hood (2) is also provided with an alarm (5) for alarming after the smoke detector detects smoke, and one side of the cooking bench (1) is also provided with a switch (9) for eliminating false alarm; the range hood is characterized in that a channel (10) is arranged in the range hood (2) corresponding to the position of the spray head (8), the spray head (8) comprises a spray pipe (81), a telescopic hose (82) and a water spray head (83), the spray pipe (81) is in sealing connection with the valve (4), the spray pipe (81) is fixedly arranged in the channel (10), the spray pipe (81) is in sealing connection with the water spray head (83) through the telescopic hose (82), a movable chamber (11) is arranged in the range hood (2) corresponding to the lower end position of the water spray head (83), a plurality of groups of sealing blocks (13) and supporting springs (12) are arranged in the movable chamber (11), the sealing blocks (13) are supported by the supporting springs (12) to be tightly propped together so as to realize the sealing of the lower end of the water spray head (83), and a fire extinguishing hole (14) is formed in the lower surface of the range hood (2) corresponding to the lower position of the water spray head (83). The number of the sealing blocks (13) and the supporting springs (12) is 4 groups; the front end of the water spraying head (83) is arranged to be bullet-shaped, a flow guiding block (85) is arranged inside the water spraying head (83), the flow guiding block (85) is of a hollow structure, a sealing check ring (84) is connected between the middle part of the outer surface of the flow guiding block (85) and the inner wall of the water spraying head (83) in a sealing mode, water inlets (86) are formed in the periphery of the upper portion of the flow guiding block (85), water outlets (87) are formed in the lower portion of the flow guiding block (85), and water spraying holes (88) are formed in the middle of the lower end of the water spraying head (83).
2. A kitchen high pressure fine mist fire extinguishing apparatus according to claim 1, characterized in that: the intelligent control system further comprises a controller (3), and the detection device, the valve (4), the alarm (5) and the switch (9) are respectively and electrically connected with the controller (3).
3. A kitchen high pressure fine mist fire extinguishing apparatus according to claim 2, characterized in that: and a time relay is connected between the valve (4) and the controller (3) through an electric wire.
4. A kitchen high pressure fine mist fire extinguishing apparatus according to claim 1, characterized in that: the detection device is a photoelectric smoke detector (6), and a water absorbing net cover (7) is sleeved outside the detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310130675.7A CN115944865B (en) | 2023-02-17 | 2023-02-17 | High-pressure water mist fire extinguishing device for kitchen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310130675.7A CN115944865B (en) | 2023-02-17 | 2023-02-17 | High-pressure water mist fire extinguishing device for kitchen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115944865A CN115944865A (en) | 2023-04-11 |
| CN115944865B true CN115944865B (en) | 2024-03-26 |
Family
ID=87296997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310130675.7A Active CN115944865B (en) | 2023-02-17 | 2023-02-17 | High-pressure water mist fire extinguishing device for kitchen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115944865B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202822542U (en) * | 2012-08-23 | 2013-03-27 | 河南海力特机电制造有限公司 | High pressure water mist fire extinction apparatus in kitchen |
| CN204293732U (en) * | 2014-10-24 | 2015-04-29 | 厦门一泰消防科技开发有限公司 | A kind of fire-fighting fire extinguishing water smoke Safety spray nozzle |
| CN207086199U (en) * | 2017-06-05 | 2018-03-13 | 海南大学 | A kind of concealed sprinkler based on telescopic water pipe |
| CN208599039U (en) * | 2018-05-11 | 2019-03-15 | 辰安云服技术有限公司 | A kind of scalable open type fire-fighting spraying head |
| CN212131417U (en) * | 2018-09-30 | 2020-12-11 | 河北浩乐市政园林绿化工程有限公司 | Be applied to flexible hidden no dead angle shower nozzle of municipal afforestation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212548081U (en) * | 2020-05-25 | 2021-02-19 | 河南大恒消防工程有限公司 | Fire-fighting equipment is with spraying extinguishing device |
-
2023
- 2023-02-17 CN CN202310130675.7A patent/CN115944865B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202822542U (en) * | 2012-08-23 | 2013-03-27 | 河南海力特机电制造有限公司 | High pressure water mist fire extinction apparatus in kitchen |
| CN204293732U (en) * | 2014-10-24 | 2015-04-29 | 厦门一泰消防科技开发有限公司 | A kind of fire-fighting fire extinguishing water smoke Safety spray nozzle |
| CN207086199U (en) * | 2017-06-05 | 2018-03-13 | 海南大学 | A kind of concealed sprinkler based on telescopic water pipe |
| CN208599039U (en) * | 2018-05-11 | 2019-03-15 | 辰安云服技术有限公司 | A kind of scalable open type fire-fighting spraying head |
| CN212131417U (en) * | 2018-09-30 | 2020-12-11 | 河北浩乐市政园林绿化工程有限公司 | Be applied to flexible hidden no dead angle shower nozzle of municipal afforestation |
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| Publication number | Publication date |
|---|---|
| CN115944865A (en) | 2023-04-11 |
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