Intelligent targeted projectile fire extinguishing device based on visual accurate identification

Abstract

The application relates to the field of fire extinguishing, and discloses an intelligent target projectile fire extinguishing device based on visual accurate identification, which solves the problems of low automation degree and the need to release the fire extinguishing projectile through manual or electronic control in the existing fire extinguishing projectile fire extinguishing device, and leads to large operation risk and complex control. The lifting mechanism is used for driving the launching mechanism to move left and right relative to the chassis and is also used for controlling the pitch angle of the launching mechanism; a processor positions the heat source position in an infrared thermal imaging image collected by an infrared thermal imager, generates corresponding driving signals according to the positioning result, controls the rotation and pitch of the lifting mechanism, generates launching driving signals to control the launching mechanism to launch the fire extinguishing projectile, and the temperature-sensitive shell of the fire extinguishing projectile is damaged when the temperature exceeds a temperature threshold during movement, so that the fire extinguishing powder in the temperature-sensitive shell is released to realize fire extinguishing. The application is used for realizing automatic and long-distance accurate fire extinguishing.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of fire extinguishing. BACKGROUND

[0002] The existing fire extinguishing device is generally a gas fire extinguishing system and a water fire extinguishing system, and its defects are that most of the fire extinguishing systems on the market currently use artificial control, which may cause the fire pump body to be unable to start or difficult to start in the face of fire, and may also cause the fire pump body to crack, crack, and the packing to leak water seriously, resulting in the inability to effectively deal with the fire in the face of fire. The fire hose may be a non-ship inspection approved product, and the local damage and joint leakage greatly increase the maintenance cost.

[0003] The gas fire extinguishing system extinguishes fire by releasing gas (such as carbon dioxide, heptafluoropropane, etc.), and the equipment, installation and maintenance cost of the gas fire extinguishing system is generally high, especially for large or complex systems. Some gas fire extinguishing powder (such as carbon dioxide) may have adverse effects on the human body when released, such as suffocation and poisoning, so the fire extinguishing system needs to be started after the personnel are evacuated, and there is a possibility of leakage to harm personnel. Some gas fire extinguishing systems have strict requirements on the environmental conditions for storage and release, such as temperature, pressure, etc., which limits their application range. And the gas fire extinguishing system (such as an electronic control system) relies on power supply to start and operate, so it may not work normally in the case of power interruption.

[0004] And some existing ejectable fire extinguishing devices on the market also have some shortcomings. The stability and durability of most systems may not have been fully verified, resulting in possible failure or failure in some extreme conditions. And the operation of the ejectable fire extinguishing system is relatively complex, and the user needs to have certain professional knowledge and operation skills, and the fire extinguishing bullet is released to achieve fire extinguishing through manual or electronic control, which is complex in control and low in intelligent degree, and also increases the training cost and time of the operator, and also increases the risk in the operation process. If the operator does not correctly master the use method or operates improperly, it may lead to poor fire extinguishing effect or even cause safety accidents. And the fire extinguishing material leaks during storage, transportation or use, which may cause potential harm to the environment and human health. If the system is not properly installed or maintained, its protection ability may decrease or even fail, therefore, the above problems need to be solved. SUMMARY

[0005] The present application aims to solve the problems of low automation and the need to release the fire extinguishing bullet through manual or electronic control in the existing fire extinguishing bullet type fire extinguishing device, which leads to high operation risk and complex control. The present application provides an intelligent target ejectable fire extinguishing device based on visual accurate identification.

[0006] The application discloses an intelligent target shooting fire extinguishing device based on visual accurate identification, which comprises a bottom disc, a lifting mechanism and a shooting mechanism arranged in sequence from bottom to top, an infrared thermal imager, a fire extinguishing bomb and a processor.

[0007] The lifting mechanism is arranged on the bottom disc, and the shooting mechanism is arranged on the lifting mechanism.

[0008] The lifting mechanism is used for driving the shooting mechanism to move left and right relative to the bottom disc and is also used for controlling the pitch angle of the shooting mechanism.

[0009] The processor positions the heat source position in the infrared thermal imaging image collected by the infrared thermal imager and generates corresponding driving signals according to the positioning result, controls the rotation and pitch of the lifting mechanism, and generates shooting driving signals to control the shooting mechanism to shoot the fire extinguishing bomb.

[0010] The temperature-sensitive shell of the fire extinguishing bomb is damaged when the temperature exceeds a temperature threshold during movement, so that the fire extinguishing powder in the temperature-sensitive shell is leaked to achieve fire extinguishing.

[0011] Preferably, the shooting mechanism has a bomb replacement function, and the shooting mechanism comprises a profile frame, a conveying mechanism, a push plate, four acceleration motors, four friction wheels, a door-shaped connecting frame, a front single guide rail and a rear double guide rail mechanism.

[0012] The front single guide rail and the rear double guide rail mechanism are arranged in sequence from front to rear along the length direction of the profile frame, the front single guide rail is fixed on the profile frame, and the rear double guide rail mechanism can move left and right along the width direction of the profile frame; the two guide rails in the rear double guide rail mechanism are both provided with the fire extinguishing bomb, and the fire extinguishing bomb is slidably connected with the guide rail through a sliding block.

[0013] After the rear double guide rail mechanism moves, one guide rail in the rear double guide rail mechanism is spliced with the front single guide rail to form a shooting guide rail.

[0014] The four acceleration motors are arrayed and fixed at the front end of the profile frame, the four acceleration motors are rotationally connected with the four friction wheels, the door-shaped connecting frame is arranged above the arrayed four acceleration motors, and the infrared thermal imager is fixed on the upper surface of the cross beam of the door-shaped connecting frame.

[0015] The two columns of friction wheels corresponding to the two columns of acceleration motors form an acceleration channel.

[0016] The conveying mechanism is arranged on one side of the profile frame, the push plate is fixed on the conveying mechanism, and the movement of the conveying mechanism drives the push plate arranged thereon to push the fire extinguishing bomb to move forward along the shooting guide rail, enter the acceleration channel to accelerate and then be discharged.

[0017] Preferably, the launching mechanism further comprises a height limiting wheel fixed to the lower surface of the crossbeam of the door-shaped connecting frame for limiting the height of the fire extinguishing bomb.

[0018] Preferably, the launching mechanism further comprises two left and right limiting wheels forming a left and right limiting channel therebetween, both of which are fixed to the profile frame and are close to the entrance of the accelerating channel.

[0019] The left and right limiting channel is used for aligning with the accelerating channel.

[0020] Preferably, at least one fire extinguishing bomb is arranged on each guide rail of the rear end double guide rail mechanism.

[0021] Preferably, the infrared thermal imager is fixed to the launching mechanism, and the processor is fixed to the lifting mechanism.

[0022] Preferably, the temperature sensing shell is made of PETG material and is realized by 3D printing.

[0023] Preferably, the fire extinguishing powder is a mixture of ammonium phosphate, ammonium chloride, sodium carbonate and silicate.

[0024] Preferably, the tail of the fire extinguishing bomb is realized by a four-blade tail wing.

[0025] Preferably, the filling rate of the fire extinguishing powder is 30% to 50%.

[0026] Advantages of the present application:

[0027] The hardware part of the intelligent target bomb launching fire extinguishing device based on visual accurate identification is realized by the processor and the infrared thermal imager, which is simple in structure and reliable, does not need too much maintenance cost, and the whole identification and fire extinguishing process is completed by the device itself without human operation, so that the degree of automation is high, and the problems of fire extinguishing powder leakage and fire extinguishing system error caused by human operation error are avoided.

[0028] The fire extinguishing device adopts the infrared thermal imager to discover the fire source and launch the fire extinguishing bomb in response to the change of the external environment temperature, can monitor the temperature change of the site in real time, and can respond to the fire in a very short time for fire extinguishing if the fire source is discovered, thereby preventing the fire from expanding and causing more losses when unattended.

[0029] The temperature sensing shell of the fire extinguishing bomb is very sensitive to temperature, remains hard in room temperature state, and is damaged when the temperature threshold is exceeded, so that the fire extinguishing powder in the temperature sensing shell is leaked to realize fire extinguishing.

[0030] Intelligent identification and aiming: the fire extinguishing device can automatically identify the fire target through thermal imaging identification technology and intelligent algorithm control, realize automatic aiming and launching of the fire extinguishing bomb, and effectively prevent the fire from expanding.

[0031] Enhance fire extinguishing safety: by reducing the number of times the fire personnel enters the dangerous area, reducing the risk of injury, and avoiding contact with high temperature, smoke and other dangerous environment, significantly improving the safety of fire extinguishing operation.

[0032] Precise fire extinguishing in smoke environment: the infrared thermal imager equipped in the device can accurately lock the fire source position in the smoke environment, and is not affected by the blocked view, so as to improve the accuracy and efficiency of fire extinguishing.

[0033] Long-distance launching capability: with long-distance launching capability, it can accurately lock the long-distance fire source and launch the fire extinguishing bomb to the fire source position through the launching mechanism to realize long-distance efficient fire extinguishing. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 is a three-dimensional structure schematic diagram of the intelligent targeted launching fire extinguishing device based on visual accurate identification according to the application;

[0035] Figure 2 and Figure 3 are structure schematic diagrams of the launching mechanism 3 at different angles. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the application.

[0037] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict.

[0038] The inventive concept is as follows: the intelligent targeted launching fire extinguishing device based on visual accurate identification according to the application has high flexibility and positioning accuracy, is free from manual control, can launch fire extinguishing bombs at different angles and distances, and integrates with vision, which can help to accurately launch fire extinguishing bombs to fire points to achieve fire extinguishing effect. The fire extinguishing bomb is a specially designed device, which contains fire extinguishing powder. When the fire extinguishing bomb is launched to the fire scene, the fire extinguishing powder can effectively extinguish the flame. The temperature-sensitive shell of the fire extinguishing bomb 5 is very sensitive to temperature, remains hard at room temperature, and is damaged when the temperature threshold is exceeded, so that the fire extinguishing powder in the temperature-sensitive shell is released to achieve fire extinguishing.

[0039] Specific implementation method one, see Figure 1The intelligent target shooting fire extinguishing device based on visual accurate identification comprises, from bottom to top, a base plate 1, a lifting mechanism 2 and a shooting mechanism 3, and further comprises an infrared thermal imager 4, a fire extinguishing bomb 5 and a processor.

[0040] The lifting mechanism 2 is arranged on the base plate 1, and the shooting mechanism 3 is arranged on the lifting mechanism 2.

[0041] The lifting mechanism 2 is used for driving the shooting mechanism 3 to move left and right relative to the base plate 1 and is further used for controlling the pitch angle of the shooting mechanism 3.

[0042] The processor positions the heat source position in the infrared thermal imaging image collected by the infrared thermal imager 4 and generates a corresponding driving signal according to the positioning result, controls the rotation and pitch of the lifting mechanism 2, and generates a shooting driving signal to control the shooting mechanism 3 to shoot the fire extinguishing bomb 5.

[0043] The temperature-sensitive shell of the fire extinguishing bomb 5 is damaged when the temperature exceeds a threshold value during movement, so that the fire extinguishing powder in the temperature-sensitive shell is leaked to achieve fire extinguishing.

[0044] In a specific application, the filling rate of the fire extinguishing powder is 30% to 50%.

[0045] In the embodiment, the hardware part of the intelligent target shooting fire extinguishing device based on visual accurate identification is realized by the processor and the infrared thermal imager, which is simple in structure and reliable, does not need much maintenance cost, and the whole identification and fire extinguishing process is completed by the device itself without human operation, so that the degree of automation is high, and the problems of fire extinguishing powder leakage and fire extinguishing system error caused by human operation are avoided.

[0046] The fire extinguishing device adopts the infrared thermal imager 4 to discover the fire source according to the change of the ambient temperature and make a response to shoot the fire extinguishing bomb, can monitor the temperature change of the site in real time, and can make a response to extinguish the fire in a very short time when the fire source is discovered, so that the fire is prevented from expanding and causing more losses when unattended.

[0047] The temperature-sensitive shell of the fire extinguishing bomb 5 is very sensitive to temperature, remains hard in a room temperature state, is damaged when the temperature exceeds a threshold value, so that the fire extinguishing powder in the temperature-sensitive shell is leaked to achieve fire extinguishing.

[0048] Referring to Figure 2 and Figure 3 , the shooting mechanism 3 has a bomb replacement function, and the shooting mechanism 3 comprises a profile frame 3-1, a conveying mechanism 3-2, a push plate 3-3, four acceleration motors, four friction wheels 3-4, a door-shaped connecting frame 3-5, a front-end single guide rail 3-6 and a rear-end double guide rail mechanism 3-7.

[0049] The front-end single guide rail 3-6 and the rear-end double guide rail mechanism 3-7 are arranged in sequence from front to rear along the length direction of the profile frame 3-1, and the front-end single guide rail 3-6 is fixed on the profile frame 3-1, and the rear-end double guide rail mechanism 3-7 can move left and right along the width direction of the profile frame 3-1; the two guide rails in the rear-end double guide rail mechanism 3-7 are both provided with the fire extinguishing bomb 5, and the fire extinguishing bomb 5 is slidably connected with the guide rail through a sliding block;

[0050] After the rear-end double guide rail mechanism 3-7 moves, one guide rail in the rear-end double guide rail mechanism 3-7 is spliced with the front-end single guide rail 3-6, and a launching rail is formed;

[0051] The four accelerating motors are arrayed and fixed at the front end of the profile frame 3-1, and the four accelerating motors are respectively rotationally connected with the four friction wheels 3-4, and the door-shaped connecting frame 3-5 is arranged above the arrayed four accelerating motors, and the infrared thermal imager 4 is fixed on the upper surface of the crossbeam of the door-shaped connecting frame 3-5;

[0052] The two columns of friction wheels 3-4 corresponding to the two columns of accelerating motors form an accelerating channel;

[0053] The conveying mechanism 3-2 is arranged on one side of the profile frame 3-1, and the push plate 3-3 is fixed on the conveying mechanism 3-2, and the movement of the conveying mechanism 3-2 drives the push plate 3-3 arranged thereon to push the fire extinguishing bomb 5 to move forward along the launching rail, enter the accelerating channel, accelerate and then be launched.

[0054] In specific application, the rear-end double guide rail mechanism 3-7 can be controlled to move left and right along the width direction of the profile frame 3-1 through the sliding assembly, so as to realize effective rail replacement of the two rails in the rear-end double guide rail mechanism 3-7 and realize replacement of the fire extinguishing bomb 5.

[0055] The processor controls the motor in the conveying mechanism 3-2 and the four accelerating motors, so as to realize boosting of the fire extinguishing bomb 5 into the accelerating channel, and then driving the fire extinguishing bomb 5 to accelerate through the friction wheel 3-4, and finally launching.

[0056] And through tests, the four friction wheels in the accelerating channel can achieve a launching life of 5000 fire extinguishing bombs, effectively solving the problems of stability and durability of the launching fire extinguishing device on the market.

[0057] Referring to Figure 2 and Figure 3 , the launching mechanism 3 further comprises a height limiting wheel fixed on the lower surface of the crossbeam of the door-shaped connecting frame 3-5, for limiting the height of the fire extinguishing bomb 5.

[0058] In the preferred embodiment, the height limiting wheel is arranged to avoid the fire extinguishing bomb 5 from running away during the acceleration process, to prevent the fire extinguishing bomb from separating from the acceleration channel from the top, and to ensure the accuracy of the projection.

[0059] Referring to Figure 2 and Figure 3 , the launching mechanism 3 further comprises two left and right limiting wheels 3-8, which form a left and right limiting channel between them, are both fixed on the profile frame 3-1, and are both close to the entrance of the acceleration channel; the left and right limiting channel is used to align with the acceleration channel.

[0060] In the preferred embodiment, in order to ensure that the fire extinguishing bomb can accurately extinguish the fire, the two left and right limiting wheels 3-8 are arranged to limit the left and right positions of the fire extinguishing bomb 5, so as to ensure that the fire extinguishing bomb can enter the acceleration channel at the same position and ensure accurate projection.

[0061] Referring to Figure 2 and Figure 3 , at least one fire extinguishing bomb 5 is arranged on each guide rail in the rear double guide rail mechanism 3-7, so that at least one or more fire extinguishing bombs 5 are launched at the same time each time, to ensure the efficiency and effect of fire extinguishing.

[0062] In specific applications, the infrared thermal imager 4 is fixed on the launching mechanism 3, and the processor is fixed on the lifting mechanism 2, which can make the infrared thermal imager 4 have a wider viewing angle.

[0063] Further, the temperature-sensitive shell is realized by 3D printing with PETG material, and the fire extinguishing powder is a mixture formed by ammonium phosphate, ammonium chloride, sodium carbonate and silicate.

[0064] In the preferred embodiment, the temperature-sensitive shell is realized by 3D printing with PETG material, which is very sensitive to temperature, remains hard at room temperature to cover the fire extinguishing powder, and the molecular state of the entire material can be maintained for several years. However, the entire shell will respond quickly and melt at a high temperature, releasing the fire extinguishing powder for fire extinguishing.

[0065] Further, the tail of the fire extinguishing bomb 5 adopts a four-leaf tail wing. This design can reduce the pressure difference resistance, avoid stress concentration, and enhance the strength of the fire extinguishing bomb body. The body is made of PETG material, which has high hardness and low melting point. In addition, it contains a large amount of fire extinguishing powder, which melts in a high-temperature environment near the fire point to achieve the purpose of fire extinguishing.

[0066] While the application has been described with reference to particular embodiments thereof, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It will be apparent to those skilled in the art that numerous modifications can be made within the scope of the present application as defined by the appended claims. It is intended that all such modification fall within the spirit and scope of the present application. It will be understood that the features described in connection with one embodiment can be used in connection with another embodiment.

Claims

1. An intelligent targeted projectile fire extinguishing device based on visual accurate identification, comprising a chassis (1), a lifting mechanism (2) and a launching mechanism (3) arranged in sequence from bottom to top, characterized in that, Also comprising an infrared thermal imager (4), a fire extinguishing bomb (5) and a processor; The lifting mechanism (2) is arranged on the chassis (1), and the launching mechanism (3) is arranged on the lifting mechanism (2); The lifting mechanism (2) is used for driving the launching mechanism (3) to move left and right relative to the chassis (1), and is also used for controlling the pitch angle of the launching mechanism (3); The processor positions the heat source position in the infrared thermal image collected by the infrared thermal imager (4), generates corresponding driving signals according to the positioning result, controls the rotation and pitch of the lifting mechanism (2), and generates launching driving signals to control the launching mechanism (3) to launch the fire extinguishing bomb (5); The temperature-sensitive shell of the fire extinguishing bomb (5) is damaged when the temperature exceeds the temperature threshold during movement, so that the fire extinguishing powder in the temperature-sensitive shell is leaked to achieve fire extinguishing. The launching mechanism (3) has a bomb changing function, and the launching mechanism (3) comprises a profile frame (3-1), a conveying mechanism (3-2), a push plate (3-3), four acceleration motors, four friction wheels (3-4), a door-shaped connecting frame (3-5), a front single guide rail (3-6) and a rear double guide rail mechanism (3-7). The front single guide rail (3-6) and the rear double guide rail mechanism (3-7) are arranged in sequence from front to rear along the length direction of the profile frame (3-1), and the front single guide rail (3-6) is fixed on the profile frame (3-1), and the rear double guide rail mechanism (3-7) can move left and right along the width direction of the profile frame (3-1); two guide rails in the rear double guide rail mechanism (3-7) are provided with fire extinguishing bombs (5), and the fire extinguishing bombs (5) are slidably connected with the guide rails through sliding blocks. After the rear double guide rail mechanism (3-7) moves, one guide rail in the rear double guide rail mechanism (3-7) is spliced with the front single guide rail (3-6) to form a launching guide rail. The four acceleration motors are arrayed at the front end of the profile frame (3-1), and the four acceleration motors are rotatably connected with the four friction wheels (3-4), the door-shaped connecting frame (3-5) is arranged above the arrayed four acceleration motors, and the infrared thermal imager (4) is fixed on the upper surface of the cross beam of the door-shaped connecting frame (3-5). Two columns of friction wheels (3-4) corresponding to two columns of acceleration motors form an acceleration channel. The conveying mechanism (3-2) is arranged on one side of the profile frame (3-1), the push plate (3-3) is fixed on the conveying mechanism (3-2), and the movement of the conveying mechanism (3-2) drives the push plate (3-3) arranged thereon to push the fire extinguishing bomb (5) to move forward along the launching guide rail and enter the acceleration channel for acceleration and then exit The launching mechanism (3) further comprises a height limiting wheel fixed on the lower surface of the cross beam of the door-shaped connecting frame (3-5), which is used for limiting the height of the fire extinguishing bomb (5).

2. The intelligent targeted projectile fire extinguishing device based on visual precision identification according to claim 1, characterized in that, The launching mechanism (3) further comprises two left and right limiting wheels (3-8) forming a left and right limiting channel, both of which are fixed on the profile frame (3-1) and are close to the entrance of the acceleration channel. The left and right limiting channel is used to align with the acceleration channel.

3. The intelligent targeted projectile fire extinguishing device based on visual precision identification according to claim 1, characterized in that, There are at least one fire extinguishing bomb (5) on each guide rail in the rear double guide rail mechanism (3-7).

4. The intelligent targeted projectile fire extinguishing device based on visual precision identification according to claim 1, characterized in that, The infrared thermal imager (4) is fixed on the launching mechanism (3), and the processor is fixed on the lifting mechanism (2).

5. The intelligent targeted projectile fire extinguishing device based on visual precision identification according to claim 1, characterized in that, The temperature-sensitive shell is made of PETG material and is 3D printed.

6. The intelligent targeted projectile fire extinguishing device based on visual precision identification according to claim 1, characterized in that, The fire extinguishing powder is a mixture of ammonium phosphate, ammonium chloride, sodium carbonate and silicate.

7. The intelligent targeted projectile fire extinguishing device based on visual precision identification according to claim 1, characterized in that, The tail of the fire extinguishing bomb (5) is provided with a four-blade tail wing. 8.The intelligent targeted projectile fire extinguishing device based on visual precision identification of claim 1, wherein The filling rate of the fire extinguishing powder is 30% to 50%.

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