CN115212500A - Fire extinguishing method and system for generating continuous vortex ring - Google Patents
Fire extinguishing method and system for generating continuous vortex ring Download PDFInfo
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- CN115212500A CN115212500A CN202210678999.XA CN202210678999A CN115212500A CN 115212500 A CN115212500 A CN 115212500A CN 202210678999 A CN202210678999 A CN 202210678999A CN 115212500 A CN115212500 A CN 115212500A
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- cavity
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000000737 periodic effect Effects 0.000 claims abstract description 7
- 238000004590 computer program Methods 0.000 claims description 10
- 230000001629 suppression Effects 0.000 claims description 8
- 230000006870 function Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 16
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 9
- 239000000779 smoke Substances 0.000 description 7
- 239000004509 smoke generator Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Classifications
-
- 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
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire extinguishing method and a fire extinguishing system for generating a continuous vortex ring, wherein the system comprises: the cavity system is internally provided with a cavity, the cavity is provided with a first opening and a second opening, and the second opening is a narrowing opening; the motion system is nested in the cavity system; the power system is used for providing power for the motion system; and the control system provides control electric power for the power system. When the vortex ring type air compressor works, the moving system does front-back periodic vibration in the cavity system, and air in the cavity is pushed out of the second opening to form continuous and stable vortex ring pulses. Because the diameter of the second opening is smaller, the space dissipation of the vibration kinetic energy of the motion system is reduced, so that the vibration kinetic energy of the motion system is more concentrated to generate the vortex ring, the stability and the long-distance propagation capacity of the vortex ring are improved, and the stable long-distance fire extinguishing effect is realized.
Description
Technical Field
The invention relates to the technical field of fire extinguishers, in particular to a fire extinguishing method and system for generating a continuous vortex ring.
Background
Vortex ring fire extinguishing devices, also known as fire extinguishing air cannons, are an emerging remote fire extinguishing apparatus. The high-speed rotating air vortex ring is accurately delivered to a fire source through a gun barrel based on the principle that a vortex ring structure is not easy to dissipate, so that remote fire extinguishing is realized, and the safety of firemen is further ensured. Thus, there are currently a number of inventive designs for fire extinguishing air cannons. However, the following disadvantages are common to existing designs: the compressed gas is used as a power source, so that the effective working time of the air cannon is limited by the storage capacity of the compressed gas, and the long-time stable working cannot be maintained.
Thus, there is still a need for improvement and development of the prior art.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a fire extinguishing method and system for generating a continuous vortex ring, aiming at solving the problem that the vortex ring fire extinguishing apparatus in the prior art cannot work stably for a long time.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a fire suppression system that produces a continuous vortex ring, comprising:
the cavity system is internally provided with a cavity body, the cavity body is provided with a first opening and a second opening, and the second opening is a narrowing opening;
the moving system is nested in the cavity system and is close to the first opening;
the moving system continuously pushes out and sucks air in the cavity from the second opening through front-back periodic vibration to form vortex ring pulse.
The fire extinguishing system for generating a continuous vortex ring, wherein the fire extinguishing system for generating a continuous vortex ring further comprises:
the power system provides driving force for the motion system;
and the control system is electrically connected with the power system.
The fire extinguishing system for generating the continuous vortex ring is characterized in that the power system comprises a mechanical power system or an electromagnetic power system, the mechanical power system comprises a rotating motor, and the electromagnetic power system comprises an electromagnetic moving coil. Wherein, the mechanical power system is in contact connection with the motion system; the electromagnetic power system is in non-contact connection with the motion system.
The control system has the function of adjusting the output voltage, so that the vibration frequency of the motion system is controlled, and the distance between two adjacent vortex ring pulses (namely the generation frequency of the vortex ring pulses) is adjusted.
The fire extinguishing system for generating the continuous vortex ring is characterized in that the diameter of the second opening is 1/4-1/2 of the diameter of the first opening.
A fire extinguishing method of generating a continuous vortex ring, wherein the method is applied to a fire extinguishing system of generating a continuous vortex ring as described in any one of the above, the fire extinguishing method comprising the steps of:
aligning the second opening with a target fire source;
and driving the motion system to vibrate back and forth periodically in the cavity system, and continuously pushing out and sucking air in the cavity from the second opening to form vortex ring pulse so as to extinguish the target fire source.
The fire extinguishing method for generating the continuous vortex ring, wherein the fire extinguishing system for generating the continuous vortex ring further comprises:
the power system provides driving force for the motion system;
the control system is electrically connected with the power system;
the power system comprises a mechanical power system or an electromagnetic power system; wherein the mechanical power system is in contact connection with the motion system; the electromagnetic power system is in non-contact connection with the motion system;
the control system has the function of adjusting the output voltage;
the fire suppression system generating a continuous vortex ring further comprises:
and controlling the vibration frequency of the motion system through the control system so as to adjust the distance between two adjacent vortex ring pulses.
A computer device comprising a memory storing a computer program and a processor, wherein the processor implements the steps of the method as claimed in any one of the above when executing the computer program.
A computer-readable storage medium, on which a computer program is stored, wherein the computer program, when being executed by a processor, carries out the steps of the method as set forth in any one of the preceding claims.
Has the advantages that: the periodic vibration of the motion system in the cavity system is used as the power for generating the vortex ring, so that the aim of stably generating the vortex ring pulse for a long time is fulfilled. And the second opening is a narrowing opening, so that the diameter of the second opening is smaller, the space dissipation of the vibration kinetic energy of the motion system is reduced, the kinetic energy of the motion system is more concentrated to be used for generating the vortex ring, the stability and the long-distance propagation capacity of the vortex ring are improved, the vortex ring is ensured to have a longer stable propagation distance, and the long-distance fire extinguishing target is realized.
Drawings
FIG. 1 is a schematic diagram of a fire suppression system of the present invention that produces a continuous vortex ring.
FIG. 2 is a flow chart of a fire extinguishing method of the present invention for generating a continuous vortex ring.
Description of reference numerals:
1. a control system; 2. a power system; 3. a motion system; 4. a cavity system; 5. vortex ring pulse; 6. a three-dimensional vortex ring structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring also to fig. 1-2, embodiments of a fire suppression system for generating a continuous vortex ring are provided.
As shown in fig. 1 to 2, the fire extinguishing system generating a continuous vortex ring of the present invention comprises:
the cavity system 4 is internally provided with a cavity, the cavity is provided with a first opening and a second opening, and the second opening is a narrowing opening;
the moving system 3 is nested in the cavity system 4 and is close to the first opening;
the moving system 3 continuously pushes out and sucks the air in the cavity from the second opening through the front-back periodic vibration to form a vortex ring pulse 5.
Specifically, the actual configuration of a single vortex ring in vortex ring pulse 5 is shown as a three-dimensional vortex ring structure 6.
It should be noted that the motion of the motion system 3 is periodic vibration, so that the air in the cavity system 4 is sucked and supplemented from the second opening after being pushed out, and the air is circulated and reciprocated, thereby achieving the purpose of stably generating the vortex ring pulse for a long time. And because the second opening of the cavity system 4 is a narrowing opening, and the diameter of the second opening is smaller, the space dissipation of the vibration kinetic energy of the motion system 3 is reduced, so that the kinetic energy of the motion system is more concentrated to be used for generating a vortex ring, and the stability and the long-distance propagation capacity of the vortex ring are improved. Thereby ensuring that the vortex ring has longer stable propagation distance and achieving the effect of long-distance fire extinguishing.
When fire is extinguished, the second opening of the cavity system 4 needs to be aligned to a target fire source, then the moving system 3 is driven to vibrate back and forth in the cavity system 4 periodically, air in the cavity system 4 is continuously pushed out of the cavity through the second opening, and then the air is sucked and supplemented; after the air exits the second opening, the air is swirled to form a vortex ring due to the shearing action of the edge of the second opening. When the vortex ring reaches the target fire source, the tensile rate of the target flame can be improved to a critical state due to the high annular quantity characteristic of the vortex ring structure, so that the target fire source is extinguished, and the purpose of extinguishing fire is achieved.
In a preferred implementation of the embodiment of the present invention, as shown in fig. 1, the fire extinguishing system for generating a continuous vortex ring further comprises:
the power system provides driving force for the motion system;
and the control system is electrically connected with the power system.
Specifically, the moving system 3 vibrates periodically, so that the vortex rings are arranged periodically to form vortex ring pulses 5. And the power system 2 provides control power by the control system 1, and the motion system 3 is driven by the power system 2.
When fire is extinguished, the second opening of the cavity system 4 needs to be aligned to the target fire source, and then the control system 1 is started to operate the power system 2, so as to drive the motion system 3 to perform front-back periodic vibration in the cavity system 4.
In a preferred implementation of the embodiment of the present invention, as shown in fig. 1, the power system may be a mechanical power system, such as a rotating electrical machine; or an electromagnetic power system, such as an electromagnetic moving coil. Wherein, the mechanical power system is in contact connection with the motion system; the electromagnetic power system is in non-contact connection with the motion system.
The control system has the function of adjusting the output voltage, so that the vibration frequency of the motion system is controlled, and the distance between two adjacent vortex ring pulses (namely the generation frequency of the vortex ring pulses) is adjusted. Specifically, by adjusting the output voltage of the control system 1, the operating frequency of the power system 2 can be adjusted, and thus the distance between two adjacent vortex ring pulses 5 (i.e. the generation frequency of the vortex ring pulses) can be adjusted.
In a preferred implementation of the embodiment of the present invention, as shown in fig. 1, the diameter of the second opening is 1/4 to 1/2 of the diameter of the first opening.
Specifically, the diameter of the second opening is 1/4-1/2 of the diameter of the first opening, and the diameter of the second opening can be adjusted according to needs. The diameter of the second opening is gradually reduced to form a cone frustum shape. Of course, the shape of the sidewall at the second opening can be adjusted according to the requirement, for example, the cross section of the sidewall at the second opening is linear or arc. The side wall of the second opening is tangent to the ball, and the tangent point is positioned in the middle of the side wall of the second opening, so that vortex is formed in the cavity, and a vortex structure is formed outside the second opening.
The fire extinguishing system for generating the continuous vortex ring has the following effects:
the stable working time is longer; a large amount of compressed gas is not required to be stored as a power source; can generate vortex ring structure capable of stably transmitting and maintain the vortex ring to horizontally transmit for a long distance.
In a preferred implementation of an embodiment of the invention, the fire suppression system that generates a continuous vortex ring further comprises:
the smoke generator is communicated with the cavity system;
the liquid storage device is connected with the smoke generator;
the liquid storage device is used for storing atomized liquid;
the smoke generator is used for heating the atomized liquid in the liquid storage device to form smoke and conveying the smoke to the cavity.
Specifically, the atomized liquid is the atomized fire extinguishing liquid, in order to enhance the fire extinguishing effect, the smoke generator is adopted to enable the atomized liquid to form smoke, the smoke is utilized to form vortex ring pulse 5, the atomized liquid is used as the fire extinguishing medium, direct combustion or auxiliary combustion cannot be achieved, and when the atomized liquid reaches a fire source, the atomized liquid can play a role in isolation, so that the fire is weakened and extinguished.
It should be noted that the smoke is formed by heating, and the smoke formed by heating has a low density and a certain thermal buoyancy, so as to counteract the influence of the gravity of the smoke and increase the propagation distance of the vortex ring.
In a preferred implementation of the embodiment of the invention, the atomized liquid includes: water, triethylene glycol, and propylene glycol.
Specifically, different atomized liquids are selected according to different combustion products. For example, the atomized liquid is a mixture of water, triethylene glycol and propylene glycol. The mass ratio of water, triethylene glycol and propylene glycol in the atomized liquid is 1.4-3.
Based on the fire extinguishing system for generating the continuous vortex ring in any embodiment, the invention also provides a preferred embodiment of a fire extinguishing method for generating the continuous vortex ring, which comprises the following steps:
as shown in fig. 2, the fire extinguishing method for generating a continuous vortex ring according to the embodiment of the present invention includes the steps of:
and step S100, aligning the second opening to a target fire source.
Specifically, the second opening is directed toward the target fire source such that the vortex ring formed by the discharge of the second opening moves toward the target fire source to extinguish the target fire source.
And S200, driving the motion system to vibrate back and forth periodically in the cavity system, and continuously pushing out and sucking air in the cavity from the second opening to form vortex ring pulse so as to extinguish the target fire source.
Specifically, the moving system 3 is driven to vibrate back and forth periodically in the cavity system 4, and the air in the cavity system 4 is continuously pushed out of the cavity through the second opening and then sucked and replenished. After the air exits the second opening, the air is swirled to form a vortex ring due to the shearing action of the edge of the second opening. When the vortex ring reaches the target fire source, the tensile rate of the target flame can be improved to a critical state due to the high annular quantity characteristic of the vortex ring structure, so that the target fire source is extinguished, and the purpose of extinguishing fire is achieved.
The step S200 includes:
step S210, starting a control system and providing control power for the motion system.
When being provided with and produce cigarette ware and reservoir, before opening control system, can start earlier and produce the cigarette ware, make the atomized liquid in the reservoir form smog to carry the smog that forms to the cavity in, thereby make smog full of the cavity.
And step S220, starting the power system to drive the motion system to work.
Specifically, the power system starts and transmits power; if a mechanical power system such as a rotating motor is used, the power system is transmitted to a motion system in a contact manner such as a connecting rod; if an electromagnetic power system is used, such as an electromagnetic moving coil, the magnetic field transmits the motion system in a non-contact manner.
And step S230, the motion system periodically vibrates in the chamber system to generate vortex ring pulses so as to extinguish the fire.
Specifically, the moving system vibrates back and forth, air in the cavity system is continuously pushed out and sucked through the second opening to form vortex ring pulses, and the vortex ring pulses move towards the target fire source to extinguish the target fire source.
And S240, adjusting and controlling the vibration frequency of the motion system through the control system to adjust the distance between two adjacent vortex ring pulses.
Specifically, the output voltage of the control system can be adjusted according to the fire condition, so that the working frequency of the power system is adjusted, the front and back vibration frequency of the motion system is controlled, the distance between adjacent vortex ring pulses (namely the generation frequency of the vortex ring pulses) is controlled, and a better fire extinguishing effect is achieved.
Based on the fire extinguishing method for generating the continuous vortex ring according to any one of the above embodiments, the invention further provides a preferred embodiment of the computer device:
computer apparatus comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
aligning the second opening with a target fire source;
and driving the motion system to vibrate back and forth periodically in the cavity system, and continuously pushing out and sucking air in the cavity from the second opening to form vortex ring pulse so as to extinguish the target fire source.
Based on the fire extinguishing method for generating the continuous vortex ring according to any one of the embodiments, the invention further provides a preferred embodiment of the computer readable storage medium:
a computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
aligning the second opening with a target fire source;
and driving the motion system to vibrate back and forth periodically in the cavity system, and continuously pushing out and sucking air in the cavity from the second opening to form vortex ring pulse so as to extinguish the target fire source.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. A fire suppression system that produces a continuous vortex ring, comprising:
the cavity system is internally provided with a cavity body, the cavity body is provided with a first opening and a second opening, and the second opening is a narrowing opening;
the moving system is nested in the cavity system and is close to the first opening;
the moving system continuously pushes out and sucks air in the cavity from the second opening through front-back periodic vibration to form vortex ring pulse.
2. The continuous vortex ring generating fire extinguishing system according to claim 1, further comprising:
the power system provides driving force for the motion system;
and the control system is electrically connected with the power system.
3. The fire suppression system for generating a continuous vortex ring according to claim 2, wherein said power system comprises a mechanical power system or an electromagnetic power system;
the control system has the function of adjusting the output voltage.
4. The fire extinguishing system according to any one of claims 1 to 3, wherein the diameter of the second opening is 1/4 to 1/2 of the diameter of the first opening.
5. A fire extinguishing method for generating a continuous vortex ring, which is applied to the fire extinguishing system for generating a continuous vortex ring according to any one of claims 1 to 4, the fire extinguishing method comprising the steps of:
aligning the second opening with a target fire source;
and driving the motion system to vibrate back and forth periodically in the cavity system, and continuously pushing out and sucking air in the cavity from the second opening to form vortex ring pulse so as to extinguish the target fire source.
6. The method of suppressing fire as claimed in claim 5 wherein said fire suppression system further comprises:
the power system provides driving force for the motion system;
the control system is electrically connected with the power system;
the power system comprises a mechanical power system or an electromagnetic power system; the mechanical power system is in contact connection with the motion system; the electromagnetic power system is in non-contact connection with the motion system;
the control system has the function of adjusting output voltage;
the fire extinguishing method further comprises the steps of:
and controlling the vibration frequency of the motion system through the control system so as to adjust the distance between two adjacent vortex ring pulses.
7. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 5 to 6 when executing the computer program.
8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 5 to 6.
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CN202210678999.XA CN115212500B (en) | 2022-06-16 | 2022-06-16 | Fire extinguishing method and system for generating continuous vortex ring |
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CN202210678999.XA CN115212500B (en) | 2022-06-16 | 2022-06-16 | Fire extinguishing method and system for generating continuous vortex ring |
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CN115212500A true CN115212500A (en) | 2022-10-21 |
CN115212500B CN115212500B (en) | 2024-04-30 |
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RU2597632C1 (en) * | 2015-02-06 | 2016-09-10 | Олег Савельевич Кочетов | Kochetov modular fire-extinguishing method |
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CN112945025A (en) * | 2021-02-07 | 2021-06-11 | 南京理工大学 | Multipurpose vortex ring transmitting device and transmitting method |
CN114100889A (en) * | 2021-12-06 | 2022-03-01 | 无锡曲速智能科技有限公司 | Vortex ring fog gun |
US20220161279A1 (en) * | 2020-11-25 | 2022-05-26 | Kidde Technologies, Inc. | Nozzle configurations to create a vortex of fire suppression agent |
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2022
- 2022-06-16 CN CN202210678999.XA patent/CN115212500B/en active Active
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RU2597632C1 (en) * | 2015-02-06 | 2016-09-10 | Олег Савельевич Кочетов | Kochetov modular fire-extinguishing method |
CN112774058A (en) * | 2019-11-01 | 2021-05-11 | 香港理工大学深圳研究院 | Fire extinguishing system based on sound wave fire extinguishing and fire extinguishing method thereof |
US20220161279A1 (en) * | 2020-11-25 | 2022-05-26 | Kidde Technologies, Inc. | Nozzle configurations to create a vortex of fire suppression agent |
CN112945025A (en) * | 2021-02-07 | 2021-06-11 | 南京理工大学 | Multipurpose vortex ring transmitting device and transmitting method |
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