CN113648578B - Water cannon mutual-aid fire extinguishing method for outer wall of high-rise building group - Google Patents
Water cannon mutual-aid fire extinguishing method for outer wall of high-rise building group Download PDFInfo
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- CN113648578B CN113648578B CN202011568505.XA CN202011568505A CN113648578B CN 113648578 B CN113648578 B CN 113648578B CN 202011568505 A CN202011568505 A CN 202011568505A CN 113648578 B CN113648578 B CN 113648578B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- 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
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Abstract
According to the method for extinguishing fire by mutual assistance of the water cannons on the outer wall of the high-rise building group, the camera fire extinguishing water cannons with the cameras and the infrared sensors are arranged on the roof, all the fire extinguishing water cannons are networked through the wireless communication module, mutual fire detection and mutual assistance of fire extinguishing can be achieved, once the camera and the infrared sensor of one fire extinguishing water cannon find a fire, other fire extinguishing water cannons are immediately informed to achieve mutual assistance of fire extinguishing, and fire extinguishing water of the fire extinguishing water cannons is sprayed from top to bottom for the outer wall to fire, so that the fire extinguishing effect is good, and the efficiency is high.
Description
Technical Field
The invention relates to the technical field of fire fighting of high-rise buildings, in particular to a mutual-aid fire extinguishing method for water cannons on the outer walls of high-rise buildings.
Background
In recent years, urban buildings are higher and higher, and high-rise buildings are in endless and increasingly severe fires. At present, two fire extinguishing modes are available for high-rise buildings,
one is indoor self-provided, such as a spraying system, a fire-fighting pipeline and the like, and the high-rise building protects the indoor fire-fighting safety; the fire extinguishing mode only extinguishes indoor fire, and when an outer wall catches fire, the effect is not large;
the other is to protect the high-rise building through outdoor conditions such as fire engines, firemen and the like; however, buildings are higher and higher, and many high-rise buildings exceed the highest fire-fighting height which can be reached by a fire truck; once a fire disaster occurs in the high-rise buildings, the fire engine is likely to be helped by the fire engine, the helicopter which is an overhead fire extinguishing apparatus has requirements on the floor distance of a fire scene, the fire extinguishing material carried once is small, the operation efficiency is low, and the operation is difficult to be done; in any case, the outer walls of a plurality of residential buildings are paved with heat insulation materials at present, and although the heat insulation materials can reduce heat exchange with the outside and realize the effects of being warm in winter and cool in summer, the energy consumption in the buildings is reduced, but the heat insulation materials are mostly made of flammable materials; once a fire point exists in the high-rise building attached with the heat insulation material, the high-rise building can be instantly turned into a torch; due to the lack of equipment, the existing fire extinguishing solutions do not solve the above problems well, and a new fire extinguishing method is needed to solve the problem.
Disclosure of Invention
The invention aims to solve the problems and provides a method for mutually assisting fire extinguishing of water cannons on the outer walls of high-rise buildings.
The technical scheme of the invention is as follows: a high-rise building group outer wall water cannon mutual-aid fire extinguishing method is carried out by the outer wall fire extinguishing water cannon system which is respectively arranged on each high-rise, the outer wall fire extinguishing water cannon system comprises a water cannon water supply pipeline which is arranged around the top of the high-rise building, a plurality of fire extinguishing water cannons which are fixedly arranged on the periphery of a parapet wall of the top of the high-rise building, the fire extinguishing water cannons are communicated with the water cannon water supply pipeline, the spraying heads of the fire extinguishing water cannons are respectively and fixedly provided with a camera and an infrared sensor, the spraying heads of the fire extinguishing water cannons have a direction adjusting function, each fire extinguishing water cannon is also provided with a control module, and a computing unit and a wireless communication unit are arranged in the control module,
after the outer wall fire-extinguishing water cannon system is installed on each roof of a fixed building group, the size and the shape of the surface of each high-rise building are digitally described in the same coordinate system and stored in a control module of each water cannon, and meanwhile, the installation position of each fire-extinguishing water cannon is digitally described in the coordinate system and stored in the control module of each water cannon;
the high-rise building group outer wall water cannon mutual-help fire extinguishing method comprises the following steps;
a. fire detection
The direction of a fire extinguishing water cannon nozzle is adjusted to drive a camera and an infrared sensor on the fire extinguishing water cannon nozzle to adjust the direction together, daily scanning is carried out on the outer wall surfaces of a building where the fire extinguishing water cannon is located and the opposite building, whether the outer wall is on fire or not is monitored, if the outer wall is on fire, the following steps are executed, and if the outer wall is not on fire, the step a is executed all the time;
b. transmission of fire information
After a camera and an infrared sensor of a certain fire extinguishing water cannon find the fire situation in the scanning process, the fire situation information, namely the position coordinate information of a fire point is sent to other fire extinguishing water cannons through a wireless communication unit;
c. calculating whether to participate in water spraying fire extinguishing
After the wireless communication module of each fire extinguishing water cannon receives the coordinate position information of the fire point, the control module of each fire extinguishing water cannon calculates whether the coordinate position of the fire point is in the coverage range of the nozzle according to the coordinate position and the coverage range of the nozzle, if the fire point is in the coverage range, the control module participates in water spraying fire extinguishing, and if the fire point is not in the coverage range, the control module does not participate in water spraying fire extinguishing;
d. mutual aid fire extinguishing
And c, determining all fire extinguishing water cannons participating in fire extinguishing, adjusting the direction of the spray head to correspond to the position of the fire-starting point, and spraying water to extinguish fire.
Between steps b and c, there is the step of,
b1. secondary confirmation of fire information
After the wireless communication module of each fire extinguishing water cannon receives the coordinate position information of the fire point, the control module of each fire extinguishing water cannon calculates whether the coordinate position of the fire point is in the scanning range of the camera and the infrared sensor of the control module according to the scanning coverage range of the camera and the infrared sensor of the control module, if the direction of the spray head is adjusted in the scanning range, the camera and the infrared sensor face the fire point, the condition of the fire point is secondarily confirmed, a plurality of fire extinguishing water cannons of which the scanning ranges can cover the fire point all participate in the secondary confirmation process, the confirmation result is sent to other fire extinguishing water cannons through the wireless communication module, when more than 50% of the plurality of fire extinguishing water cannons participating in the secondary confirmation are confirmed to be on fire, the step c is executed, otherwise, the step a is executed.
The fire detection or the secondary confirmation is that the control module judges by integrating image information provided by the camera and sensor information provided by the infrared sensor.
The fire extinguishing water cannon further comprises a fire extinguishing water cannon mounting base located on the parapet, the fire extinguishing water cannon is mounted on the base, a water cannon water supply pipeline is connected with a fire fighting pipeline penetrating out of the roof, and the water cannon water supply pipeline is further connected with a secondary water supply tank arranged on the roof.
The direction of the nozzle of the fire extinguishing water cannon is adjusted through an adjusting device, the adjusting device comprises a first-stage direction adjusting mechanism arranged on a base, an intermediate connecting bent pipe arranged on the upper part of the first-stage direction adjusting mechanism, a second-stage direction adjusting mechanism arranged at the other end of the intermediate connecting bent pipe, and the nozzle arranged on the other side of the second-stage direction adjusting mechanism.
The invention has the beneficial effects that: according to the method for extinguishing fire by mutual assistance of the water cannons on the outer wall of the high-rise building group, the camera fire extinguishing water cannons with the cameras and the infrared sensors are arranged on the roof, all the fire extinguishing water cannons are networked through the wireless communication module, mutual fire detection and mutual assistance of fire extinguishing can be achieved, once the camera and the infrared sensor of one fire extinguishing water cannon find a fire, other fire extinguishing water cannons are immediately informed to achieve mutual assistance of fire extinguishing, and fire extinguishing water of the fire extinguishing water cannons is sprayed from top to bottom for the outer wall to fire, so that the fire extinguishing effect is good, and the efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of a 3x3 building group of an exterior wall fire-extinguishing water cannon system in the method of the invention;
FIG. 2 is a schematic view of the structure of building 11# in FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is an enlarged view I of FIG. 3;
FIG. 5 is a sectional view A-A of FIG. 3;
FIG. 6 is an enlarged view II of FIG. 5;
FIG. 7 is an enlarged view of III of FIG. 5;
FIG. 8 is one of the schematic structural diagrams of fire extinguishing water cannons in the method for mutual-aid fire extinguishing of exterior wall water cannons of high-rise building groups according to the invention;
FIG. 9 is a second schematic structural view of fire extinguishing water cannons in the method for mutual-aid fire extinguishing of exterior water cannons of high-rise buildings according to the invention;
in the figure: 1. the fire-fighting water gun comprises a high building, 12 parapet walls, 2 water gun water supply pipelines, 21 secondary water supply tanks, 22 fire-fighting pipelines, 3 fire-fighting water guns, 31 spray heads, 32 cameras, 33 bases, 34 control modules, 35 infrared sensors, 36 primary adjusting mechanisms, 37 middle connecting bent pipes and 38 secondary adjusting mechanisms.
Detailed Description
The first embodiment is as follows: referring to fig. 1-6, the operation of the method is carried out by an outer wall fire-extinguishing water cannon system which is respectively arranged on each high-rise and comprises a water cannon water supply pipeline arranged around the top of the high-rise building, a plurality of fire-extinguishing water cannons fixedly arranged on the periphery of a parapet of the top of the high-rise building, the fire-extinguishing water cannons are communicated with the water cannon water supply pipeline, the nozzle parts of the fire-extinguishing water cannons are fixedly provided with cameras and infrared sensors, the nozzles of the fire-extinguishing water cannons have a direction adjusting function, each fire-extinguishing water cannon is also provided with a control module, and a computing unit and a wireless communication unit are arranged in the control modules,
after the outer wall fire-extinguishing water cannon system is installed on each roof of a fixed building group, the size and the shape of the surface of each high-rise building are digitally described in the same coordinate system and stored in a control module of each water cannon, and meanwhile, the installation position of each fire-extinguishing water cannon is digitally described in the coordinate system and stored in a control module of each water cannon;
the high-rise building group outer wall water cannon mutual-help fire extinguishing method comprises the following steps;
a. fire detection
The direction of a fire extinguishing water cannon nozzle is adjusted to drive a camera and an infrared sensor on the fire extinguishing water cannon nozzle to adjust the direction together, daily scanning is carried out on the outer wall surfaces of a building where the fire extinguishing water cannon is located and the opposite building, whether the outer wall is on fire or not is monitored, if the outer wall is on fire, the following steps are executed, and if the outer wall is not on fire, the step a is executed all the time;
b. transmission of fire information
After a camera and an infrared sensor of a certain fire extinguishing water cannon find the fire situation in the scanning process, the fire situation information, namely the position coordinate information of a fire point is sent to other fire extinguishing water cannons through a wireless communication unit;
c. calculating whether to participate in water spraying fire extinguishing
After the wireless communication module of each fire extinguishing water cannon receives the coordinate position information of the fire point, the control module of each fire extinguishing water cannon calculates whether the coordinate position of the fire point is in the coverage range of the nozzle according to the coordinate position and the coverage range of the nozzle, if the fire point is in the coverage range, the control module participates in water spraying fire extinguishing, and if the fire point is not in the coverage range, the control module does not participate in water spraying fire extinguishing;
d. fire extinguishing with mutual assistance
And c, determining all fire extinguishing water cannons participating in fire extinguishing, adjusting the direction of the spray head to correspond to the position of the fire-starting point, and spraying water to extinguish fire.
In the first embodiment, in order to improve the accuracy of the implementation of the fire extinguishing method, the following steps can be added between the steps b and c,
b1. secondary confirmation of fire information
After the wireless communication module of each fire extinguishing water cannon receives the coordinate position information of the fire point, the control module of each fire extinguishing water cannon calculates whether the coordinate position of the fire point is in the scanning range of the camera and the infrared sensor of the control module according to the scanning coverage range of the camera and the infrared sensor of the control module, if the direction of the spray head is adjusted in the scanning range, the camera and the infrared sensor face the fire point, the condition of the fire point is secondarily confirmed, a plurality of fire extinguishing water cannons of which the scanning ranges can cover the fire point all participate in the secondary confirmation process, the confirmation result is sent to other fire extinguishing water cannons through the wireless communication module, when more than 50% of the plurality of fire extinguishing water cannons participating in the secondary confirmation are confirmed to be on fire, the step c is executed, otherwise, the step a is executed.
Therefore, the problem that the fire is mistakenly extinguished due to the fact that the individual fire extinguishing water cannon generates wrong judgment during fire condition detection can be avoided.
The fire detection or the secondary confirmation is that the control module judges by integrating image information provided by the camera and sensor information provided by the infrared sensor. The problem of secondary confirmation is also increased, the change of the building outer wall image sometimes has a certain relation with the sun irradiation or other reflected light sources, and the judgment of the camera and the infrared sensor on a single fire-extinguishing water cannon inevitably causes errors.
The fire extinguishing water cannon further comprises a fire extinguishing water cannon mounting base located on the parapet, the fire extinguishing water cannon is mounted on the base, a water cannon water supply pipeline is connected with a fire fighting pipeline penetrating out of the roof, and the water cannon water supply pipeline is further connected with a secondary water supply tank arranged on the roof. Need upwards extend to the upper portion of roof board with current high-rise building's fire control pipeline, the dual water supply of secondary water supply tank and fire control pipeline, the water source when further ensuring putting out a fire is sufficient.
The direction of the nozzle of the fire extinguishing water cannon is adjusted through an adjusting device, the adjusting device comprises a first-stage direction adjusting mechanism arranged on a base, an intermediate connecting bent pipe arranged on the upper part of the first-stage direction adjusting mechanism, a second-stage direction adjusting mechanism arranged at the other end of the intermediate connecting bent pipe, and the nozzle arranged on the other side of the second-stage direction adjusting mechanism.
The direction adjusting mechanism is a common structure in the prior art, Chinese invention patent 201821165728.X, an explosion-proof type electric control fire-fighting water cannon and 201610293477.2, a pipeline rotary connector, a cannon tube direction adjusting mechanism and a fire-fighting water cannon all provide specific technical schemes of the adjusting mechanism and can be used for the patent application, and the detailed structures in the direction adjusting mechanism are not detailed.
Claims (4)
1. A high-rise building group outer wall water cannon mutual-aid fire extinguishing method is carried out by the outer wall fire extinguishing water cannon system which is respectively arranged on each high-rise, the outer wall fire extinguishing water cannon system comprises a water cannon water supply pipeline which is arranged around the top of the high-rise building, a plurality of fire extinguishing water cannons which are fixedly arranged on the periphery of a parapet wall of the top of the high-rise building, the fire extinguishing water cannons are communicated with the water cannon water supply pipeline, the spraying heads of the fire extinguishing water cannons are respectively and fixedly provided with a camera and an infrared sensor, the spraying heads of the fire extinguishing water cannons have a direction adjusting function, each fire extinguishing water cannon is also provided with a control module, and a computing unit and a wireless communication unit are arranged in the control module,
after the outer wall fire-extinguishing water cannon system is installed on each roof of a fixed building group, the size and the shape of the surface of each high-rise building are digitally described in the same coordinate system and stored in a control module of each water cannon, and meanwhile, the installation position of each fire-extinguishing water cannon is digitally described in the coordinate system and stored in the control module of each water cannon;
the high-rise building group outer wall water cannon mutual-help fire extinguishing method comprises the following steps;
a. fire detection
The direction of a fire extinguishing water cannon nozzle is adjusted to drive a camera and an infrared sensor on the fire extinguishing water cannon nozzle to adjust the direction together, daily scanning is carried out on the outer wall surfaces of a building where the fire extinguishing water cannon is located and the opposite building, whether the outer wall is on fire or not is monitored, if the outer wall is on fire, the following steps are executed, and if the outer wall is not on fire, the step a is executed all the time;
b. transmission of fire information
After a camera and an infrared sensor of a certain fire extinguishing water cannon find the fire situation in the scanning process, the fire situation information, namely the position coordinate information of a fire point is sent to other fire extinguishing water cannons through a wireless communication unit;
c. calculating whether to participate in water spraying fire extinguishing
After the wireless communication module of each fire extinguishing water cannon receives the coordinate position information of the fire point, the control module of each fire extinguishing water cannon calculates whether the coordinate position of the fire point is in the coverage range of the nozzle according to the coordinate position and the coverage range of the nozzle, if the fire point is in the coverage range, the control module participates in water spraying fire extinguishing, and if the fire point is not in the coverage range, the control module does not participate in water spraying fire extinguishing;
d. mutual aid fire extinguishing
C, determining all fire extinguishing water cannons participating in fire extinguishing, adjusting the direction of a spray head to correspond to the position of a fire-starting point capable of spraying water, and spraying water for fire extinguishing;
between steps b and c, there is the step of,
b1. secondary confirmation of fire information
After the wireless communication module of each fire extinguishing water cannon receives the coordinate position information of the fire point, the control module of each fire extinguishing water cannon calculates whether the coordinate position of the fire point is in the scanning range of the camera and the infrared sensor of the control module according to the scanning coverage range of the camera and the infrared sensor of the control module, if the direction of the spray head is adjusted in the scanning range, the camera and the infrared sensor face the fire point, the condition of the fire point is secondarily confirmed, a plurality of fire extinguishing water cannons of which the scanning ranges can cover the fire point all participate in the secondary confirmation process, the confirmation result is sent to other fire extinguishing water cannons through the wireless communication module, when more than 50% of the plurality of fire extinguishing water cannons participating in the secondary confirmation are confirmed to be on fire, the step c is executed, otherwise, the step a is executed.
2. The high-rise building group exterior wall water cannon mutual-aid fire extinguishing method according to claim 1, which is characterized in that: the fire detection or the secondary confirmation is that the control module judges by integrating image information provided by the camera and sensor information provided by the infrared sensor.
3. The method for extinguishing fire of exterior wall water cannons of high-rise buildings in mutual assistance according to claim 1, which is characterized in that: the fire extinguishing water cannon further comprises a fire extinguishing water cannon mounting base located on the parapet, the fire extinguishing water cannon is mounted on the base, a water cannon water supply pipeline is connected with a fire fighting pipeline penetrating out of the roof, and the water cannon water supply pipeline is further connected with a secondary water supply tank arranged on the roof.
4. The high-rise building group exterior wall water cannon mutual-aid fire extinguishing method according to claim 1, which is characterized in that: the direction of the nozzle of the fire extinguishing water cannon is adjusted through an adjusting device, the adjusting device comprises a first-stage direction adjusting mechanism arranged on a base, an intermediate connecting bent pipe arranged on the upper part of the first-stage direction adjusting mechanism, a second-stage direction adjusting mechanism arranged at the other end of the intermediate connecting bent pipe, and the nozzle arranged on the other side of the second-stage direction adjusting mechanism.
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| JPH03121081A (en) * | 1989-10-04 | 1991-05-23 | Hochiki Corp | Extinguishing device |
| JPH09154969A (en) * | 1995-12-12 | 1997-06-17 | Nohmi Bosai Ltd | Fire-prevention system for botanical roof |
| CN102145213A (en) * | 2011-03-31 | 2011-08-10 | 钟仕贵 | Extinguishing device for tall building roof |
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