CN110975206A - Intelligent water mist fire extinguishing system - Google Patents
Intelligent water mist fire extinguishing system Download PDFInfo
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- CN110975206A CN110975206A CN201911244627.0A CN201911244627A CN110975206A CN 110975206 A CN110975206 A CN 110975206A CN 201911244627 A CN201911244627 A CN 201911244627A CN 110975206 A CN110975206 A CN 110975206A
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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
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
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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
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
Abstract
The invention provides an intelligent water mist fire extinguishing system, which comprises: the system comprises an image acquisition module, a data processing module and a control system; the image acquisition module comprises a first detector and a second detector, and the first detector acquires a first image of a target area; the data processing module judges whether flame appears in the target area according to the first image; when flame appears in the target area, the data processing module sends a starting signal to the image acquisition module; the image acquisition module starts a second detector according to the starting signal to acquire a second image of the target area; the data processing module calculates the height and the area of flame and the actual position of a central point according to the relative position of the first detector and the second detector, the first image and the second image; the control system determines the spraying mode of the water mist according to the real-time wind speed, the height and the area of the flame, and the spraying mode comprises a direct spraying mode, a rotational flow mode and a mixed mode combining the direct spraying mode and the rotational flow mode.
Description
Technical Field
The invention relates to the field of water mist fire extinguishing, in particular to an intelligent water mist fire extinguishing system.
Background
The water mist technology is a high-efficiency fire extinguishing technology developed by the current domestic and foreign green fire-fighting technology, and is widely applied to fighting class A, class B, class C and electric fires. The medium-high pressure water mist mainly has two generation modes, one is direct atomization, and the other is rotational atomization. The fine water mist generated by direct atomization has large axial momentum, strong wind resistance, poor atomization effect and low fire extinguishing performance; the fine water mist generated by the rotational flow atomization has good atomization effect and high fire extinguishing performance, but the fine water mist has lower axial momentum, weak wind resistance and low accuracy. Therefore, the two existing water mist fire extinguishing modes have certain short plates, can only meet specific fire extinguishing requirements, and have certain limitations.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that the fire extinguishing effect cannot be optimized due to the fact that the atomization mode cannot be accurately selected in the prior art, and provides an intelligent water mist fire extinguishing system.
The invention provides an intelligent water mist fire extinguishing system in a first aspect, which comprises: the system comprises an image acquisition module, a data processing module and a control system; the image acquisition module comprises a first detector and a second detector, and the first detector acquires a first image of a target area; the data processing module judges whether flame appears in the target area according to the first image; when flame appears in the target area, the data processing module sends a starting signal to the image acquisition module; the image acquisition module starts a second detector according to the starting signal to acquire a second image of the target area, the second detector and the first detector are the same in height, and the angles of the acquired images of the target area are different; the data processing module calculates the height and the area of flame and the actual position of a central point according to the relative position of the first detector and the second detector, the first image and the second image; the control system determines the spraying mode of the water mist according to the real-time wind speed, the height and the area of the flame, and the spraying mode comprises a direct spraying mode, a rotational flow mode and a mixed mode combining the direct spraying mode and the rotational flow mode.
Optionally, the control system comprises: the judging module is used for judging whether the wind speed reaches a first threshold value, whether the area reaches a second threshold value and whether the height reaches a third threshold value; the mode switching module is used for starting a direct-injection spraying mode when the wind speed reaches a first threshold value and the area does not reach a second threshold value; when the wind speed reaches a first threshold value and the area reaches a second threshold value, the mode switching module is used for starting a direct-flow and rotational-flow combined hybrid spraying mode; when the wind speed does not reach the first threshold value and the height does not reach the third threshold value, the mode switching module is used for starting the rotational flow type spraying mode; when the wind speed does not reach the first threshold value and the height reaches the third threshold value, the mode switching module is used for starting a direct-injection type and cyclone type combined hybrid spraying mode.
Optionally, the intelligent water mist fire suppression system further comprises: the rotary module, the water inlet pipeline and the water outlet pipeline are arranged on the rotary module; the water inlet pipeline comprises a water inlet pipeline and a water outlet pipeline, and the water outlet pipeline comprises a water inlet pipeline and a water outlet pipeline; the direct water inlet pipeline and the rotational flow water inlet pipeline are positioned on different horizontal planes; each direct-injection water dividing pipeline is provided with a first electromagnetic valve, and each spiral-flow water dividing pipeline is provided with a second electromagnetic valve; the branch water inlet pipelines are connected with the main water inlet pipeline, and included angles among the branch water inlet pipelines positioned on the same horizontal plane are set to be preset angles and are used for transmitting water transmitted by the main water inlet pipeline to different angles; a direct-injection type atomizing nozzle group is arranged on the direct-injection type water outlet pipeline, and a third electromagnetic valve is arranged on the direct-injection type atomizing nozzle group; a rotational flow type atomizing sprayer group is arranged on the rotational flow type water outlet pipeline, and a fourth electromagnetic valve is arranged on the rotational flow type atomizing sprayer group; the control system determines a water dividing pipeline to be actuated according to the spraying mode determined by the mode switching module and the actual position of the flame central point, and the water dividing pipeline to be actuated is a water dividing pipeline with the smallest included angle with the actual position of the flame central point; the rotating module is controlled to rotate to drive the water outlet pipeline to rotate, so that the water outlet pipeline is in butt joint with the water inlet pipeline to be actuated, and a feedback signal is sent to the control system; the control system opens the electromagnetic valve arranged on the water dividing pipeline to be actuated and the third electromagnetic valve and/or the fourth electromagnetic valve.
Optionally, when the spraying mode determined by the switching module is the direct-injection spraying mode, the control system determines the branch water inlet pipeline with the smallest included angle with the actual position of the central point in the direct-injection branch water inlet pipeline as the first branch water inlet pipeline to be activated; the control system controls the rotating module to drive the direct-injection water outlet pipeline to rotate, so that the direct-injection water outlet pipeline is in butt joint with the first to-be-actuated water inlet pipeline; the control system starts a first electromagnetic valve arranged on the first to-be-actuated water dividing pipeline and a third electromagnetic valve arranged on the direct-injection water outlet pipeline.
Optionally, when the spraying mode determined by the switching module is the spiral-flow type spraying mode, the control system determines the water inlet branch pipeline with the smallest included angle with the actual position of the central point in the spiral-flow type water inlet branch pipeline as a second water inlet branch pipeline to be actuated; the control system controls the rotating module to drive the spiral-flow type water outlet pipeline to rotate, so that the spiral-flow type water outlet pipeline is in butt joint with the second to-be-moved water inlet pipeline; the control system opens a second electromagnetic valve arranged on the second water inlet pipeline to be actuated and a fourth electromagnetic valve arranged on the spiral-flow type water outlet pipeline.
Optionally, when the spraying mode determined by the switching module is a hybrid spraying mode, the control system determines the water dividing pipeline with the smallest included angle with the actual position of the central point in the direct-flow water dividing pipeline as a third water dividing pipeline to be activated, and determines the water dividing pipeline with the smallest included angle with the actual position of the central point in the spiral-flow water dividing pipeline as a fourth water dividing pipeline to be activated; the control system controls the rotating module to drive the direct-injection water outlet pipeline and the rotational flow water outlet pipeline to rotate, so that the direct-injection water outlet pipeline is in butt joint with the third to-be-moved water inlet branch pipeline, and the rotational flow water outlet pipeline is in butt joint with the fourth to-be-moved water inlet branch pipeline; the control system opens a first electromagnetic valve arranged on the third to-be-actuated water dividing pipeline, a second electromagnetic valve arranged on the fourth to-be-actuated water dividing pipeline, a third electromagnetic valve arranged on the straight-flow water outlet pipeline and a fourth electromagnetic valve arranged on the spiral-flow water outlet pipeline.
Optionally, the rotation module comprises: the first hollow rotating bearing is used for driving the direct injection type water outlet pipeline to rotate; the second hollow rotating bearing is used for driving the spiral-flow type water outlet pipeline to rotate; a first motor for providing a driving force to the first hollow rotary bearing; and a second motor for providing a driving force to the second hollow rotary bearing.
Optionally, the rotation module further comprises: and the membrane is used for preventing the water outlet pipeline from leaking water.
Optionally, a plurality of direct-injection type spray heads are arranged on the direct-injection type atomizing spray head group, the spray angles of the direct-injection type spray heads are different, and a third electromagnetic valve is arranged on each direct-injection type spray head; and when the spraying mode is determined to be direct-injection, the control system opens one or more third electromagnetic valves on the direct-injection spray heads according to the height, the area and the actual position of the central point of the flame.
Optionally, a plurality of branches are arranged on the rotational flow type atomizing nozzle group, the lengths of the branches are different, and a fourth electromagnetic valve is arranged on each branch; each branch is provided with a spiral-flow type spray head, and each spiral-flow type spray head is provided with different numbers of spiral-flow type nozzles; when the spraying mode is determined to be the spiral-flow type, the control system opens the fourth electromagnetic valve on the branch where one or more spiral-flow type spray heads are located according to the area of flame and the actual position of the central point.
Optionally, the data processing module comprises: the first image analysis submodule is used for carrying out difference operation according to the first image and a preset background image; the moving target judgment sub-module is used for judging that a moving target exists in the target area if the number of pixels in the result after the difference operation is larger than a fourth threshold; the moving target characteristic acquisition submodule is used for acquiring the characteristics of a moving target; and the flame judging submodule is used for judging that flame appears in the target area when the characteristics of the moving target are consistent with the preset flame characteristics.
Optionally, the first detector and the second detector update the first image and the second image within a preset time interval.
The technical scheme of the invention has the following advantages:
1. the invention provides an intelligent water mist fire extinguishing system which comprises an image acquisition module, a data processing module and a control system, wherein the intelligent water mist fire extinguishing system supports two spraying modes, firstly, image information of a target area is acquired through the image acquisition module, the data processing module judges whether flames appear in the target area or not according to the image information acquired by the image acquisition module, the height, the area and the actual position of a central point of the flames are acquired, the control system determines the spraying modes according to the real-time wind speed, the height, the area and the actual position of the central point of the flames, and when the system faces different fire conditions and environments, the optimal fire extinguishing mode can be selected, so that the fire extinguishing effect is optimal.
2. According to the intelligent water mist fire extinguishing system, when the wind speed reaches the first threshold value but the area does not reach the second threshold value, only the direct spraying mode is started, and the characteristics of large axial momentum and strong wind resistance of water mist generated by direct atomization are fully utilized; when the wind speed does not reach the first threshold value and the height does not reach the third threshold value, only the rotational flow type spraying mode is started, and the characteristics of good atomization effect and high fire extinguishing performance of fine water mist generated by rotational flow atomization are fully utilized; when the wind speed reaches first threshold value, and the area reaches the second threshold value, or, the wind speed does not reach first threshold value, but when highly reaching the third threshold value, start direct injection formula and spiral-flow type spraying mode simultaneously, when the complicated and serious condition of a fire in the face of, start two kinds of spraying modes simultaneously, realize more efficient and put out a fire. The intelligent water mist fire extinguishing system provided by the invention adopts different spraying modes in different situations, and reasonably and efficiently utilizes the advantages of the two spraying modes.
3. The intelligent water mist fire extinguishing system provided by the invention is provided with the plurality of water dividing pipelines, the water dividing pipelines form a preset angle, and the control system can assign different water dividing pipelines to work in the face of flames in different directions, so that the sprayed water mist can accurately shoot to the flames, and accurate fire extinguishing is realized.
4. According to the intelligent water mist fire extinguishing system provided by the invention, the plurality of direct-injection type nozzles are arranged on the direct-injection type atomizing nozzle group, the angle of each direct-injection type nozzle is different, and the control system can select one or more direct-injection type nozzles according to the height and the position of flame to realize accurate fire extinguishing.
5. According to the intelligent water mist fire extinguishing system provided by the invention, the rotational flow type atomizing nozzle group is provided with the plurality of branches, the lengths of the branches are different, and the rotational flow type nozzles on different paths are selected, so that the fire extinguishing distance can be controlled, and accurate fire extinguishing is realized.
6. According to the intelligent water mist fire extinguishing system provided by the invention, the image acquisition module acquires images again at intervals in the fire extinguishing process, the data processing module updates the flame area, the height and the actual position of the central point in real time, the control system can adjust a proper spraying mode and select a nozzle according to new flame information until no flame appears in the images, and the fire extinguishing mode is continuously adjusted in the fire extinguishing process, so that the fire extinguishing process is quicker and more efficient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic block diagram of an intelligent water mist fire suppression system provided in an embodiment of the present invention;
2-3 are schematic block diagrams of an intelligent water mist fire suppression system provided in an embodiment of the invention;
4-10 are schematic structural diagrams of the intelligent water mist fire extinguishing system provided in the embodiment of the invention;
fig. 11 is a schematic block diagram of an intelligent water mist fire suppression system provided in an embodiment of the invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
An embodiment of the present invention provides an intelligent water mist fire extinguishing system, as shown in fig. 1, including: the system comprises an image acquisition module 1, a data processing module 2 and a control system 3;
the image obtaining module 1 includes a first detector 11 and a second detector 12, the first detector 11 obtains a first image of the target area, and in a specific embodiment, the first detector 11 takes one picture at intervals and uploads the picture to the data processing module 2.
The data processing module 2 judges whether flame appears in the target area according to the first image; when a flame appears in the target area, the data processing module 2 sends a start signal to the image acquisition module 1.
The image acquisition module 1 starts the second detector 12 according to the start signal to acquire a second image of the target area, wherein the heights of the second detector 12 and the first detector 11 are the same, and the angles of the acquired images of the target area are different. In one embodiment, to conserve resources, the second detector 12 is in a dormant state for extended periods of time, and the second detector 12 is activated only when a flame is found in the first image.
The data processing module 2 calculates the height, area and actual position of the center point of the flame according to the relative position of the first detector 11 and the second detector 12, the first image and the second image. When the actual position of the flame center point is determined, a binocular positioning method is adopted, the image pattern recognition method is utilized to analyze the coordinates of the same flame center on the first image plane and the second image plane, and the geometric similarity is utilized to calculate the coordinate information of the center point in the real scene by combining the known accurate relative positions of the first detector 11 and the second detector 12.
The control system 3 determines the spraying mode of the water mist according to the real-time wind speed, the height and the area of the flame, and the spraying mode comprises a direct spraying mode, a rotational flow mode and a mixed mode combining the direct spraying mode and the rotational flow mode. In a specific embodiment, the intelligent water mist fire extinguishing system further comprises a wind speed detection module for detecting real-time wind speed.
The intelligent water mist fire extinguishing system provided by the embodiment of the invention comprises an image acquisition module 1, a data processing module 2 and a control system 3, wherein the intelligent water mist fire extinguishing system supports two spraying modes, firstly, image information of a target area is acquired through the image acquisition module 1, the data processing module 2 judges whether flames appear in the target area according to the image information acquired by the image acquisition module 1, the height, the area and the actual position of a central point of the flames are acquired, the control system 3 determines the spraying modes according to the real-time wind speed, the height, the area and the actual position of the central point, and when the system faces different fire conditions and environments, the optimal fire extinguishing mode can be selected, so that the fire extinguishing effect is optimal.
In an alternative embodiment, as shown in fig. 2, the control system 3 specifically includes:
the determining module 31 is configured to determine whether the wind speed reaches a first threshold, whether the area reaches a second threshold, and whether the height reaches a third threshold, in a specific embodiment, the three thresholds may be set according to actual requirements, in an embodiment of the present invention, the first threshold is set to 3m/s, the second threshold is set to 30% of the image area, and the third threshold is set to 30% of the longitudinal height of the image.
And the mode switching module 32 is used for starting the direct-injection spraying mode when the wind speed reaches a first threshold value and the area does not reach a second threshold value, and the wind speed has less influence on the fine water mist generated in the direct-injection spraying mode because the axial momentum of the fine water mist generated in the direct-injection spraying mode is larger.
When the wind speed reaches first threshold value, and when the area reaches the second threshold value, mode switch module 32 is used for starting the mixed mode of spraying that direct-injection type and spiral-flow type combined together, and the angle of taper of the spray field that the direct-injection type sprayed mode produced is less, to the great fire of area, only adopts the direct-injection type to spray the mode and can't put out a fire fast, consequently need spray the mode with the help of spiral-flow type, and the fine water smoke dispersion effect that the spiral-flow type sprayed mode produced is better, and the angle of taper of the spray field is great, combines the fire that can be better under the above.
When the wind speed did not reach first threshold value, and highly when not reaching the third threshold value, mode switch module 32 was used for starting the spiral-flow type mode of spraying, and because the fine water smoke dispersion effect that the spiral-flow type mode of spraying produced is better, and the fire control effect is good, consequently when the wind speed was less, the priority was taken into account and is adopted the spiral-flow type mode of spraying.
When the wind speed does not reach the first threshold value and the height reaches the third threshold value, the mode switching module 32 is used for starting the direct-flow and cyclone combined hybrid spraying mode. Although the fine water mist produced by the rotational flow type spraying mode has better dispersion effect and good fire extinguishing effect, the axial momentum is smaller, and the advantage of the rotational flow type spraying mode cannot be embodied in the face of higher flame, so that the direct spraying mode is required.
The intelligent water mist fire extinguishing system provided by the embodiment of the invention adopts different spraying modes in different situations, and reasonably and efficiently utilizes the advantages of the two spraying modes.
In an embodiment, an overall structure diagram of the intelligent water mist fire extinguishing system according to the embodiment of the present invention is shown in fig. 3, and it should be noted that, since the volumes of the water outlet pipeline 4, the direct atomizing nozzle set 7 and the swirling atomizing nozzle set 8 are small, it is not shown in fig. 10, and a detailed structure of the water outlet pipeline 4 is shown in fig. 10, and a detailed structure of the direct atomizing nozzle set 7 and the swirling atomizing nozzle set 8 is shown in fig. 7.
In an alternative embodiment, as shown in fig. 4 and 5, the intelligent water mist fire suppression system comprises: a rotating module 6, a water inlet pipeline 5 and a water outlet pipeline 4.
The water inlet pipeline 5 comprises a direct water inlet pipeline 51 and a spiral-flow water inlet pipeline 52, and the water outlet pipeline 4 comprises a direct water outlet pipeline 41 and a spiral-flow water outlet pipeline 42; as shown in fig. 5, the straight water inlet dividing pipe 51 and the spiral-flow water inlet dividing pipe 52 are located on different horizontal planes, the straight water inlet dividing pipe 51 and the straight water outlet pipe 41 are located on the same horizontal plane, and the spiral-flow water inlet dividing pipe 52 and the spiral-flow water outlet pipe 42 are located on the same horizontal plane.
As shown in fig. 6, the direct water dividing line 51 is provided with a first solenoid valve 511, and the spiral water dividing line 52 is provided with a second solenoid valve 521, so that the detailed structure of the water dividing line 5 is shown by taking the direct water dividing line 51 as an example.
Each water dividing pipeline 5 is connected to the main water inlet pipeline 9, as shown in fig. 6, the water dividing pipelines 5 located on the same horizontal plane are arranged at a predetermined angle therebetween for transmitting the water transmitted by the main water inlet pipeline to different angles, and in this embodiment, the included angle between each water dividing pipeline 5 is 30 °.
The direct-injection water outlet pipeline 41 is provided with a direct-injection atomizing nozzle set 7, the spiral-flow water outlet pipeline 42 is provided with a spiral-flow atomizing nozzle set 8, as shown in fig. 7, the direct-injection atomizing nozzle set 7 is provided with a third electromagnetic valve 71, and the spiral-flow atomizing nozzle set 8 is provided with a fourth electromagnetic valve 81.
The control system 3 determines a water dividing pipeline to be actuated according to the spraying mode determined by the mode switching module and the actual position of the central point, and the water dividing pipeline to be actuated is a water dividing pipeline 5 with the minimum included angle with the actual position of the central point; and the rotating module 6 is controlled to drive the water outlet pipeline 4 to rotate, so that the water outlet pipeline 4 is in butt joint with the water inlet pipeline to be operated.
The control system 3 opens the solenoid valves provided on the branch water pipes 5 to be actuated, and opens the third solenoid valve 71 and/or the fourth solenoid valve 81 according to the determined spray pattern. When spraying the mode and spraying the mode for the direct projection, open the third solenoid valve 71 that is located on the direct projection atomizing nozzle group 7, when spraying the mode and spraying the mode for the spiral-flow type, open the fourth solenoid valve 81 that is located on the spiral-flow type atomizing nozzle group 8, when spraying the mode for the mixed mode of spiral-flow type and spiral-flow type, open third solenoid valve 71 and fourth solenoid valve 81 simultaneously.
In an alternative embodiment, when the spraying mode determined by the switching module 32 is the direct spraying mode, the control system 3 determines the water inlet branch pipe with the smallest included angle with the actual position of the central point in the direct water inlet branch pipe 51 as the first water inlet branch pipe to be activated.
The control system 3 controls the rotating module 6 to drive the direct water outlet pipeline 41 to rotate, so that the direct water outlet pipeline 41 is in butt joint with the first water inlet pipeline to be actuated.
The control system 3 opens the first solenoid valve 511 provided on the first to-be-activated water separation line and the third solenoid valve 71 provided on the direct water outlet line 41.
In an optional embodiment, when the spraying mode determined by the switching module 32 is the spiral-flow type spraying mode, the control system 3 determines the water inlet branch pipe with the smallest included angle with the actual position of the central point in the spiral-flow type water inlet branch pipe 52 as the second water inlet branch pipe to be activated.
The control system 3 controls the rotation module 6 to drive the spiral-flow type water outlet pipeline 42 to rotate, so that the spiral-flow type water outlet pipeline 42 is in butt joint with the second water inlet pipeline to be actuated.
The control system 3 opens the second solenoid valve 521 disposed on the second to-be-activated water inlet branch pipe and the fourth solenoid valve 81 disposed on the spiral-flow type water outlet pipe 42.
In an optional embodiment, when the spraying mode determined by the switching module 32 is the hybrid spraying mode, the control system 3 determines the water dividing pipeline with the smallest included angle with the actual position of the central point in the direct-injection type water dividing pipeline 51 as the third water dividing pipeline to be activated, determines the water dividing pipeline with the smallest included angle with the actual position of the central point in the spiral-flow type water dividing pipeline 52 as the fourth water dividing pipeline to be activated, in a specific embodiment, the determination on the third water dividing pipeline to be activated and the fourth water dividing pipeline to be activated are determined respectively, that is, the angles of the third water dividing pipeline to be activated and the fourth water dividing pipeline to be activated may be the same or different.
The control system 3 controls the rotation module 6 to drive the direct water outlet pipeline 41 and the rotational flow water outlet pipeline 42 to rotate, so that the direct water outlet pipeline 41 is in butt joint with the third water inlet pipeline to be actuated, and the rotational flow water outlet pipeline 42 is in butt joint with the fourth water inlet pipeline to be actuated.
The control system 3 opens the first solenoid valve 511 disposed on the third to-be-activated water dividing pipeline, the second solenoid valve 521 disposed on the fourth to-be-activated water dividing pipeline, the third solenoid valve 71 disposed on the direct water outlet pipeline 41, and the fourth solenoid valve 81 disposed on the spiral water outlet pipeline 42.
In an alternative embodiment, as shown in fig. 3 and 8, the rotation module 6 specifically comprises:
the first hollow rotating bearing 111 is used for driving the direct-injection water outlet pipeline 41 to rotate; a second hollow rotary bearing 112 for driving the spiral-flow type water outlet pipeline 42 to rotate; a first motor 101 for providing a driving force to the first hollow rotary bearing 111; a second motor 102 for providing a driving force to the second hollow rotation bearing 112. After the control system 3 module determines the branch water inlet pipeline to be operated, the motor drives the hollow rotary bearing to enable the water outlet pipeline 4 to be in butt joint with the branch water inlet pipeline to be operated, after the water outlet pipeline 4 is in butt joint with the branch water inlet pipeline to be operated, the motor stops running and sends a feedback signal to the control system 3, the control system 3 controls the electromagnetic valves on the branch water inlet pipeline to be operated, the third electromagnetic valve 71 and/or the fourth electromagnetic valve 81 to be opened after the feedback signal is spoken, and water spraying operation is achieved.
In a specific embodiment, as shown in fig. 9, taking the first hollow rotation bearing 111 and the first motor 101 as an example to illustrate the connection relationship between the motors and the hollow rotation bearing, the large gear 1111 is engaged with the direct water outlet pipe 41, the small gear 1112 is engaged with the first motor 101 by means of a "key", and the first motor 101 is mounted on a plane by means of bolts. When the first motor 101 drives the first hollow rotary bearing 111 to rotate, the first motor 101 drives the pinion 1112 to rotate, and the pinion 1112 drives the large gear 1111 and the water outlet pipe to rotate.
In an alternative embodiment, as shown in fig. 10, the rotating module 6 further includes a membrane 43 disposed on the inner wall of the water outlet pipe 4 for preventing water leakage from the water outlet pipe 4.
In an alternative embodiment, as shown in fig. 7, a plurality of direct nozzles 72 are disposed on the direct atomizing nozzle group 7, the injection angles of the direct nozzles 72 are different, and a third electromagnetic valve 71 is disposed on each direct nozzle 72; when it is determined that the spray pattern is direct, the control system 3 opens the third solenoid valve 71 on one or more direct jets 72 based on the height, area, and actual position of the center point of the flame. For example, when the flame area is small, only one direct injection nozzle 72 may be used, but when the flame area is large but the second threshold is not reached, a plurality of direct injection nozzles 72 at different angles may be used simultaneously to achieve accurate fire extinguishing.
In an alternative embodiment, as shown in fig. 7, the swirl atomizing nozzle group 8 is provided with a plurality of branches, the lengths of the branches are different, and a fourth electromagnetic valve 81 is respectively provided on each branch; each branch is provided with a cyclone spray head 82, and each cyclone spray head 82 is provided with different numbers of cyclone nozzles; when the spraying mode is determined to be the swirl mode, the control system 3 opens the fourth electromagnetic valve 81 on the branch where one or more swirl nozzles 82 are located according to the area of the flame and the actual position of the central point. For example, when selecting the branch road, can select according to the distance of flame position with this fire extinguishing systems, when the distance of flame position apart from this system is far away, can select to open the fourth solenoid valve 81 that sets up on longer branch road, when flame area is great, can open a plurality of fourth solenoid valves 81 simultaneously, make the scope of putting out a fire wider to realize accurate putting out a fire.
In an alternative embodiment, as shown in fig. 11, the data processing module 2 includes:
the first image analysis submodule 21 is configured to perform a difference operation according to the first image and a preset background image.
And the moving object judging submodule 22 is configured to judge that a moving object exists in the target area if the number of pixels in the result of the difference operation is greater than a fourth threshold.
And the moving object feature obtaining sub-module 23 is configured to obtain features of the moving object, where the features include color features, brightness features, texture features, geometric variation features, and the like.
And the flame judging submodule 24 is used for judging that flame appears in the target area when the characteristics of the moving target are consistent with the preset flame characteristics.
In an optional embodiment, the first detector 11 and the second detector 12 update the first image and the second image at a preset time interval, for example, the image information may be updated every 5 minutes, the intelligent water mist fire extinguishing system obtains the flame information again according to the updated image information, so as to reselect the spraying mode, the water dividing pipeline 5, the nozzles, and the like to extinguish the fire, and the fire extinguishing mode is continuously adjusted during the fire extinguishing process, so that the fire extinguishing process is faster and more efficient.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. An intelligent water mist fire suppression system, comprising: the system comprises an image acquisition module, a data processing module and a control system;
the image acquisition module comprises a first detector and a second detector, and the first detector acquires a first image of a target area;
the data processing module judges whether flame appears in the target area according to the first image; when flame appears in the target area, the data processing module sends a starting signal to the image acquisition module;
the image acquisition module starts the second detector according to the starting signal to acquire a second image of the target area, the second detector and the first detector have the same height, and the angles of the acquired images of the target area are different;
the data processing module calculates the height, the area and the actual position of the central point of the flame according to the relative position of the first detector and the second detector, the first image and the second image;
the control system determines the spraying mode of the water mist according to the real-time wind speed, the height and the area of the flame, and the spraying mode comprises a direct spraying mode, a rotational flow mode and a mixed mode combining the direct spraying mode and the rotational flow mode.
2. The intelligent water mist fire suppression system of claim 1, wherein the control system comprises:
the judging module is used for judging whether the wind speed reaches a first threshold value, whether the area reaches a second threshold value and whether the height reaches a third threshold value;
the mode switching module is used for starting a direct-injection spraying mode when the wind speed reaches the first threshold value and the area does not reach the second threshold value;
when the wind speed reaches the first threshold and the area reaches the second threshold, the mode switching module is used for starting a direct-flow and rotational-flow combined hybrid spraying mode;
when the wind speed does not reach the first threshold value and the height does not reach the third threshold value, the mode switching module is used for starting a rotational flow type spraying mode;
and when the wind speed does not reach the first threshold value and the height reaches a third threshold value, the mode switching module is used for starting a direct-injection and cyclone combined hybrid spraying mode.
3. The intelligent water mist fire suppression system of claim 2, further comprising: the rotary module, the water inlet pipeline and the water outlet pipeline are arranged on the rotary module;
the water inlet pipeline comprises a water inlet pipeline and a water outlet pipeline, and the water outlet pipeline comprises a water inlet pipeline and a water outlet pipeline; the direct water inlet pipeline and the rotational flow water inlet pipeline are positioned on different horizontal planes;
a first electromagnetic valve is arranged on each direct-injection type water dividing pipeline, and a second electromagnetic valve is arranged on each spiral-flow type water dividing pipeline;
each branch water inlet pipeline is connected with a main water inlet pipeline, and the branch water inlet pipelines positioned on the same horizontal plane are arranged at preset angles and are used for transmitting water transmitted by the main water inlet pipeline to different angles;
a direct-injection type atomizing spray head group is arranged on the direct-injection type water outlet pipeline, and a third electromagnetic valve is arranged on the direct-injection type atomizing spray head group;
a spiral-flow type atomizing sprayer group is arranged on the spiral-flow type water outlet pipeline, and a fourth electromagnetic valve is arranged on the spiral-flow type atomizing sprayer group;
the control system determines a water dividing pipeline to be actuated according to the spraying mode determined by the mode switching module and the actual position of the central point, and the water dividing pipeline to be actuated is a water dividing pipeline with the smallest included angle with the actual position of the central point; the rotating module is controlled to drive the water outlet pipeline to rotate, so that the water outlet pipeline is in butt joint with the water inlet pipeline to be actuated;
the control system opens the electromagnetic valve arranged on the water dividing pipeline to be actuated and the third electromagnetic valve and/or the fourth electromagnetic valve.
4. The intelligent water mist fire suppression system of claim 3,
when the spraying mode determined by the switching module is a direct-injection type spraying mode, the control system judges the water inlet branch pipeline with the smallest included angle with the actual position of the central point in the direct-injection type water inlet branch pipeline as a first water inlet branch pipeline to be activated;
the control system controls the rotating module to drive the direct-injection water outlet pipeline to rotate, so that the direct-injection water outlet pipeline is in butt joint with the first to-be-actuated water inlet pipeline;
the control system opens a first electromagnetic valve arranged on the first to-be-actuated water dividing pipeline and a third electromagnetic valve arranged on the direct-injection water outlet pipeline.
5. The intelligent water mist fire suppression system of claim 3,
when the spraying mode determined by the switching module is a spiral-flow type spraying mode, the control system judges the water inlet branch pipeline with the smallest included angle with the actual position of the central point in the spiral-flow type water inlet branch pipeline as a second water inlet branch pipeline to be actuated;
the control system controls the rotating module to drive the spiral-flow type water outlet pipeline to rotate, so that the spiral-flow type water outlet pipeline is in butt joint with the second to-be-moved water inlet pipeline;
and the control system opens a second electromagnetic valve arranged on the second water inlet pipeline to be actuated and a fourth electromagnetic valve arranged on the spiral-flow type water outlet pipeline.
6. The intelligent water mist fire suppression system of claim 3,
when the spraying mode determined by the switching module is a hybrid spraying mode, the control system judges the water dividing pipeline with the smallest included angle with the actual position of the central point in the direct-injection type water dividing pipeline as a third water dividing pipeline to be actuated, and judges the water dividing pipeline with the smallest included angle with the actual position of the central point in the spiral-flow type water dividing pipeline as a fourth water dividing pipeline to be actuated;
the control system controls the rotating module to drive the direct water outlet pipeline and the rotational flow water outlet pipeline to rotate, so that the direct water outlet pipeline is in butt joint with the third to-be-moved water dividing pipeline, and the rotational flow water outlet pipeline is in butt joint with the fourth to-be-moved water dividing pipeline;
the control system opens a first electromagnetic valve arranged on the third water dividing pipeline to be actuated, a second electromagnetic valve arranged on the fourth water dividing pipeline to be actuated, a third electromagnetic valve arranged on the direct-injection water outlet pipeline and a fourth electromagnetic valve arranged on the spiral-flow water outlet pipeline.
7. The intelligent water mist fire suppression system of claim 3, wherein the rotating module comprises:
the first hollow rotating bearing is used for driving the direct-injection water outlet pipeline to rotate;
the second hollow rotating bearing is used for driving the spiral-flow type water outlet pipeline to rotate;
a first motor for providing a driving force to the first hollow rotary bearing;
a second motor for providing a driving force to the second hollow rotary bearing.
8. The intelligent water mist fire suppression system of claim 3,
a plurality of direct-injection type spray heads are arranged on the direct-injection type atomizing spray head group, the spray angles of the direct-injection type spray heads are different, and the third electromagnetic valve is arranged on each direct-injection type spray head;
and when the spraying mode is determined to be direct-injection type, the control system starts one or more third electromagnetic valves on the direct-injection type spray heads according to the height, the area and the actual position of the central point of the flame.
9. The intelligent water mist fire suppression system of claim 3,
the spiral-flow type atomizing nozzle group is provided with a plurality of branches, the lengths of the branches are different, and the fourth electromagnetic valve is arranged on each branch;
each branch is provided with a spiral-flow type spray head, and each spiral-flow type spray head is provided with different numbers of spiral-flow type nozzles;
when the spraying mode is determined to be the rotational flow type, the control system opens one or more fourth electromagnetic valves on the branch where the rotational flow type spray heads are located according to the area of the flame and the actual position of the central point.
10. The intelligent water mist fire suppression system of claim 1, wherein the data processing module comprises:
the first image analysis submodule is used for carrying out difference operation according to the first image and a preset background image;
the moving target judgment sub-module is used for judging that a moving target exists in the target area if the number of pixels in the result after the difference operation is larger than a fourth threshold;
the moving target characteristic acquisition submodule is used for acquiring the characteristics of the moving target;
and the flame judgment submodule is used for judging that flame appears in the target area when the characteristics of the moving target are consistent with the preset flame characteristics.
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