Intelligent perception and modular fire extinguishing device for screen cabinet fire

Abstract

The application relates to the field of power screen cabinet fire prevention, in particular to a screen cabinet fire intelligent sensing and modular fire extinguishing device, which comprises a cabinet mechanism, a detection mechanism is arranged at the top end of the cabinet mechanism, a lifting mechanism is arranged on the inner side wall of the cabinet mechanism, a fire extinguishing mechanism is fixedly installed on the lifting mechanism, a transmission mechanism is arranged at the position corresponding to the fire extinguishing mechanism of the lifting mechanism, the cabinet mechanism comprises a cabinet, a mounting frame is fixedly installed in the cabinet, and electronic elements are fixedly installed on the mounting frame; the inside is monitored through a detection device, the lifting plate is driven to descend when a fire is monitored, and the fire is determined through monitoring; when the fire is confirmed, an alarm is given, the lifting plate is reinforced, the spray head is adjusted, the fire extinguishing device is started, and accurate fire extinguishing is realized; the up-and-down movement of the spray head can suppress large-scale fire to avoid spreading, so that rescue of staff is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of power screen cabinet fire prevention, in particular to screen cabinet fire intelligent sensing and modular fire extinguishing device. BACKGROUND

[0002] With the increasing demand for electricity in recent years, the risk of power equipment failure and fire accidents also increases, especially after several major fire accidents in State Grid Corporation, relevant units pay great attention to fire warning and fire fighting work.

[0003] The existing fire extinguishing device is mainly aimed at buildings, and for the fire problem in the closed small space of the screen cabinet, it is often not until the fire spreads outside the cabinet that the fire probe in the building can be found, at this time the fire has spread to the adjacent screen cabinet. In addition, the fire extinguishing agent used in the building fire extinguishing device is water, foam and other liquids, which will cause devastating effects on the precision devices in the substation equipment. It is necessary to propose a screen cabinet fire intelligent sensing and modular fire extinguishing device. SUMMARY

[0004] In view of the problems in the prior art, the present application provides a screen cabinet fire intelligent sensing and modular fire extinguishing device.

[0005] The technical scheme adopted by the present application to solve its technical problems is: a screen cabinet fire intelligent sensing and modular fire extinguishing device, comprising a cabinet mechanism, a detection mechanism is arranged at the top end of the cabinet mechanism, a lifting mechanism is arranged on the inner side wall of the cabinet mechanism, a fire extinguishing mechanism is fixedly installed on the lifting mechanism, and a transmission mechanism is arranged at the position corresponding to the fire extinguishing mechanism of the lifting mechanism.

[0006] Specifically, the cabinet mechanism comprises a cabinet, an installation frame is fixedly installed in the interior of the cabinet, electronic components are fixedly installed on the installation frame, a cabinet door is rotatably connected to the cabinet opening through a hinge, and a handle is fixedly connected to the outer side wall of the cabinet door.

[0007] Specifically, the detection mechanism comprises an installation seat, the installation seat is fixedly installed at the inner top end of the cabinet, a connecting hole is formed through the installation seat, an exhaust hole is formed through the upper end hole wall of the connecting hole, a filter screen plate is fixedly connected to the upper end hole of the exhaust hole, a drive motor is fixedly installed on the filter screen plate, a fan blade is fixedly connected to the output end of the drive motor through a shaft coupling, a flame detector is fixedly connected to the hole opening of the connecting hole at both ends, and two smoke temperature composite sensors are fixedly installed at the hole opening of the connecting hole on the side of the two flame detectors.

[0008] Specific, the lifting mechanism includes a lifting groove, the inside of the lifting groove is fixedly connected with a threaded rod arranged vertically, a threaded sleeve is threadedly connected on the threaded rod, a lifting plate is rotatably connected on the outer side wall of the threaded sleeve through a bearing, the lifting plate is connected in the lifting groove, and a T-shaped sliding groove is formed in the lower surface of the lifting plate, a T-shaped sliding block is slidably connected in the T-shaped sliding groove, a drive cylinder is fixedly installed in the lifting plate, the output end of the drive cylinder extends through the T-shaped sliding groove and is fixedly connected with the T-shaped sliding block, the lower end of the T-shaped sliding block extends out of the lifting plate and is fixedly connected with a mounting plate, a double-head drive motor is fixedly installed on the mounting plate, and the two end output ends of the double-head drive motor are both fixedly connected with a drive rod through a shaft coupling, and the end of one of the drive rods away from the double-head drive motor is fixedly connected with a first bevel gear, a second bevel gear is fixedly sleeved on the lower end of the threaded sleeve, and the first bevel gear is engaged with the second bevel gear.

[0009] Specific, the fire extinguishing mechanism includes a controller, a monitoring camera and a fire extinguishing agent storage tank, the controller is fixedly installed in the lifting plate, the monitoring camera is fixedly installed on the outer side wall of the lifting plate on the side close to the opening of the lifting groove, and the fire extinguishing agent storage tank is fixedly installed on the upper surface of the lifting plate, the fire extinguishing agent in the fire extinguishing agent storage tank is perfluorohexanone, and a spray head is rotatably connected to the output end of the fire extinguishing agent storage tank.

[0010] Specific, the transmission mechanism includes a mounting hole, a through hole is formed through the mounting plate at the position corresponding to the mounting hole, a first transmission wheel is fixedly sleeved on the other drive rod at the position corresponding to the through hole, a rotating rod is rotatably connected to the hole wall of the mounting hole through a bearing, the rotating rod extends through the mounting hole and is fixedly connected with a second transmission wheel, the first transmission wheel is abutted with the second transmission wheel, a connecting rod is rotatably connected to the outer side edge of the second transmission wheel through a rotating shaft, and the upper end of the connecting rod is rotatably connected to the spray head.

[0011] Specific, an infrared flame detector is fixedly installed at the center of the lower surface of the mounting seat, two pressure sensors are fixedly installed on the lower surface of the mounting seat on both sides of the infrared flame detector, and a general controller is fixedly installed on the cabinet above the mounting seat.

[0012] Specific, the mounting plate is arranged in an L shape, and an anti-skid pattern is arranged on the mounting plate and abuts against the groove wall of the lifting groove.

[0013] The present application has the following advantages:

[0014] (1) The screen cabinet fire intelligent perception and modular fire extinguishing device disclosed by the application, by setting the cabinet mechanism, the detection mechanism, the lifting mechanism, the fire extinguishing mechanism and the transmission mechanism, when internal fire is detected, the lifting plate can be driven to descend and the fire condition can be captured through monitoring, and stops at a height corresponding to the fire condition position, then the lifting plate can be supported by the cylinder pushing the slot wall of the mounting plate and the sliding groove, then the motor drives the nozzle to adjust the angle through the transmission belt between the transmission wheels, so that the nozzle is aligned with the fire condition, at this time the fire extinguishing agent storage tank is started and precise fire extinguishing is carried out through the nozzle, and when the fire condition is large, the nozzle can be continuously driven to move up and down to expand the fire extinguishing range, so as to avoid the expansion of the fire condition.

[0015] (2) The screen cabinet fire intelligent perception and modular fire extinguishing device disclosed by the application, by setting the cabinet mechanism, the detection mechanism, the lifting mechanism, the fire extinguishing mechanism and the transmission mechanism, when in use, the gas in the cabinet can be drawn out to dissipate heat by rotating the fan blades driven by the motor, and when internal fire occurs, the flame and smoke will be drawn into the connecting hole, so that the flame detector and the smoke temperature composite sensor can detect the fire condition, at this time the detection results of the gas combined with the infrared flame detector and the pressure sensor can be transmitted to the total controller to judge the results, the total controller can control the lifting plate to descend and detect through the monitor, and when the fire condition is detected, the control equipment can extinguish the fire and transmit the signal to the outside for alarm, so as to avoid the spread of the fire condition. BRIEF DESCRIPTION OF DRAWINGS

[0016] The application will be further described below in combination with the drawings and examples.

[0017] Figure 1 The front view of the internal structure of the screen cabinet fire intelligent perception and modular fire extinguishing device provided by the application is shown in the figure.

[0018] Figure 2 The side view of the internal structure of the screen cabinet fire intelligent perception and modular fire extinguishing device provided by the application in standby state is shown in the figure.

[0019] Figure 3 The side view of the internal structure of the screen cabinet fire intelligent perception and modular fire extinguishing device provided by the application in lifting state is shown in the figure.

[0020] Figure 4 The positioning state structure diagram of the lifting plate of the screen cabinet fire intelligent perception and modular fire extinguishing device provided by the application is shown in the figure.

[0021] Figure 5 The lifting state structure diagram of the lifting plate of the screen cabinet fire intelligent perception and modular fire extinguishing device provided by the application is shown in the figure.

[0022] Figure 6The second transmission wheel and connecting rod structure diagram of the screen cabinet fire intelligent sensing and modularized fire extinguishing device provided by the application is shown.

[0023] Figure 7 The mounting plate structure diagram of the screen cabinet fire intelligent sensing and modularized fire extinguishing device provided by the application is shown.

[0024] In the figure: 1, cabinet mechanism; 11, cabinet; 12, mounting frame; 13, electronic element; 14, cabinet door; 15, handle; 2, detection mechanism; 21, mounting seat; 22, connecting hole; 23, exhaust hole; 24, filter screen plate; 25, driving motor; 26, fan blade; 27, flame detector; 28, smoke temperature composite sensor; 29, infrared flame detector; 210, pressure sensor; 211, total controller; 3, lifting mechanism; 31, lifting groove; 32, threaded rod; 33, threaded sleeve; 34, lifting plate; 35, T-shaped sliding groove; 36, T-shaped sliding block; 37, driving cylinder; 38, mounting plate; 39, double-head driving motor; 310, driving rod; 311, first bevel gear; 312, second bevel gear; 4, fire extinguishing mechanism; 41, controller; 42, monitoring camera; 43, fire extinguishing agent storage tank; 44, spray head; 5, transmission mechanism; 51, mounting hole; 52, through hole; 53, first transmission wheel; 54, rotating rod; 55, second transmission wheel; 56, connecting rod. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects realized by the application easy to understand, the application is further described below in combination with specific embodiments.

[0026] As Figures 1-7 shown, the screen cabinet fire intelligent sensing and modularized fire extinguishing device provided by the application includes a cabinet mechanism 1, the top end of the cabinet mechanism 1 is provided with a detection mechanism 2, the inner side wall of the cabinet mechanism 1 is provided with a lifting mechanism 3, the lifting mechanism 3 is fixedly installed with a fire extinguishing mechanism 4, and the lifting mechanism 3 is provided with a transmission mechanism 5 at a position corresponding to the fire extinguishing mechanism 4.

[0027] The cabinet body mechanism 1 comprises a cabinet body 11, the inside of the cabinet body 11 is fixedly installed with a mounting frame 12, and the mounting frame 12 is fixedly installed with electronic elements 13, and the cabinet mouth of the cabinet body 11 is hingedly connected with a cabinet door 14, the outer side wall of the cabinet door 14 is fixedly connected with a handle 15, the detection mechanism 2 comprises a mounting seat 21, the mounting seat 21 is fixedly installed at the inside top end of the cabinet body 11, and a connecting hole 22 is penetratingly formed in the mounting seat 21, an exhaust hole 23 is penetratingly formed in the upper end hole wall of the connecting hole 22, a filter screen plate 24 is fixedly connected at the upper end hole of the exhaust hole 23, a driving motor 25 is fixedly installed on the filter screen plate 24, a fan blade 26 is fixedly connected with the output end of the driving motor 25 through a shaft coupling, a flame detector 27 is fixedly connected at the two ends of the connecting hole 22, two smoke temperature composite sensors 28 are fixedly installed at the connecting hole 22 on the side of the two flame detectors 27, an infrared flame detector 29 is fixedly installed at the center of the lower surface of the mounting seat 21, two pressure sensors 210 are fixedly installed on the lower surface of the mounting seat 21 on the two sides of the infrared flame detector 29, a general controller 211 is fixedly installed on the cabinet body 11 above the mounting seat 21, the driving motor 25 drives the fan blade 26 to rotate, the fan blade 26 draws air from the inside of the cabinet body 11 through the exhaust hole 23 and the connecting hole 22, so as to draw out the hot air in the cabinet body 11 for heat dissipation, when the cabinet body 11 is on fire, the flame and smoke are sucked into the connecting hole 22, when the flame detector 27 detects the flame, the smoke temperature composite sensor 28 detects high temperature smoke, the infrared flame detector 29 detects the temperature rise in the cabinet body 11, and the pressure sensor 210 detects the pressure rise in the cabinet body 11 due to the combustion in the cabinet body 11, the flame detector 27, the smoke temperature composite sensor 28, the infrared flame detector 29 and the pressure sensor 210 transmit signals to the general controller 211.

[0028] The lifting mechanism 3 comprises a lifting groove 31, a threaded rod 32 is fixedly connected in the lifting groove 31 and arranged vertically, a threaded sleeve 33 is threadedly connected on the threaded rod 32, a lifting plate 34 is rotatably connected on the outer side wall of the threaded sleeve 33 through a bearing, the lifting plate 34 is connected in the lifting groove 31, a T-shaped sliding groove 35 is formed on the lower surface of the lifting plate 34, a T-shaped sliding block 36 is slidably connected in the T-shaped sliding groove 35, a drive cylinder 37 is fixedly installed in the lifting plate 34, the output end of the drive cylinder 37 extends to the T-shaped sliding groove 35 and is fixedly connected on the T-shaped sliding block 36, one end of the T-shaped sliding block 36 extends to the outside of the lifting plate 34 and is fixedly connected with a mounting plate 38, a double-head drive motor 39 is fixedly installed on the mounting plate 38, a driving rod 310 is fixedly connected on the two output ends of the double-head drive motor 39 through a shaft coupling, one end of one of the driving rods 310 away from the double-head drive motor 39 is fixedly connected with a first bevel gear 311, a second bevel gear 312 is fixedly sleeved on the lower end of the threaded sleeve 33, the first bevel gear 311 is engaged with the second bevel gear 312, the fire extinguishing mechanism 4 comprises a controller 41, a monitoring camera 42 and a fire extinguishing agent storage tank 43, the controller 41 is fixedly installed in the lifting plate 34, the monitoring camera 42 is fixedly installed on the outer side wall of the lifting plate 34 close to the slot of the lifting groove 31, the fire extinguishing agent storage tank 43 is fixedly installed on the upper surface of the lifting plate 34, the fire extinguishing agent in the fire extinguishing agent storage tank 43 is perfluorohexone, a spray head 44 is rotatably connected on the output end of the fire extinguishing agent storage tank 43, the transmission mechanism 5 comprises a mounting hole 51, the mounting hole 51 is formed through the lifting plate 34, a through hole 52 is formed through the mounting plate 38 at the position corresponding to the mounting hole 51, a first transmission wheel 53 is fixedly sleeved on the other driving rod 310 at the position corresponding to the through hole 52, a rotating rod 54 is rotatably connected on the hole wall of the mounting hole 51 through a bearing, the rotating rod 54 extends to the mounting hole 51 and is fixedly connected with a second transmission wheel 55, the first transmission wheel 53 is abutted with the second transmission wheel 55, a connecting rod 56 is rotatably connected on the outer side edge of the second transmission wheel 55 through a rotating shaft, the upper end of the connecting rod 56 is rotatably connected on the spray head 44, the controller 41 starts the double-head drive motor 39, the double-head drive motor 39 drives the first bevel gear 311 to rotate through the driving rod 310, the first bevel gear 311 drives the threaded sleeve 33 to rotate through the engagement with the second bevel gear 312, the threaded sleeve 33 spirally descends on the threaded rod 32 and synchronously drives the lifting plate 34 to descend, the lifting plate 34 drives the monitoring camera 42 to synchronously descend and detects the fire when descending, the monitoring camera 42 transmits data to the controller 41 when detecting the fire, the controller 41 starts the drive cylinder 37, the drive cylinder 37 drives the T-shaped sliding block 36 to move in the T-shaped sliding groove 35,And the T-shaped slider 36 will drive the mounting plate 38 and the double-head drive motor 39 to move synchronously, and the mounting plate 38 will be pushed to abut against the groove wall of the lifting groove 31, so as to support the lifting plate 34 to fix it at this height, and the double-head drive motor 39 will drive the first transmission wheel 53 to abut against the second transmission wheel 55, at this time the double-head drive motor 39 will drive the second transmission wheel 55 to rotate through the transmission belt between the first transmission wheel 53 and the second transmission wheel 55, and the second transmission wheel 55 will drive the nozzle 44 to adjust the angle through the pulling of the connecting rod 56, so that the nozzle 44 can be aligned with the fire, and when the fire is larger, the nozzle 44 can be driven to reciprocatingly rotate, so as to cover the vicinity of the fire to extinguish it and prevent it from spreading, thereby facilitating subsequent rescue.

[0029] Among them, the mounting plate 38 is L-shaped, and a layer of anti-skid lines is arranged on the mounting plate 38 and abuts against the groove wall of the lifting groove 31, and the lifting plate 34 can be supported by the abutment of the mounting plate 38 and the groove wall of the lifting groove 31.

[0030] In use, the driving motor 25 drives the fan blade 26 to rotate, and the fan blade 26 is drawn from the inside of the cabinet 11 through the exhaust hole 23 and the connecting hole 22 to exhaust the hot air in the cabinet 11, so that the hot air in the cabinet 11 is exhausted and radiated, and when a fire breaks out in the cabinet 11, the flame and smoke are sucked into the connecting hole 22, the flame detector 27 detects the flame, the smoke temperature composite sensor 28 detects high temperature smoke, the infrared flame detector 29 detects the temperature rise in the cabinet 11, and the pressure sensor 210 detects the pressure rise in the cabinet 11 due to the burning in the cabinet 11. The flame detector 27, the smoke temperature composite sensor 28, the infrared flame detector 29 and the pressure sensor 210 transmit signals to the general controller 211, the general controller 211 transmits signals to the controller 41, the controller 41 starts the double-head driving motor 39, the double-head driving motor 39 drives the first bevel gear 311 to rotate through the driving rod 310, the first bevel gear 311 drives the threaded sleeve 33 to rotate through the meshing with the second bevel gear 312, the threaded sleeve 33 spirally descends on the threaded rod 32 and synchronously drives the lifting plate 34 to descend, and the lifting plate 34 descends synchronously with the monitoring camera 42 and detects the fire when descending, and the monitoring camera 42 transmits data to the controller 41 when detecting the fire, the controller 41 starts the driving air cylinder 37, the driving air cylinder 37 drives the T-shaped slider 36 to move in the T-shaped sliding groove 35, the T-shaped slider 36 synchronously moves with the mounting plate 38 and the double-head driving motor 39, the mounting plate 38 is pushed to abut against the slot wall of the lifting groove 31, so that the lifting plate 34 is supported and fixed at this height, and the double-head driving motor 39 drives the first transmission wheel 53 to abut against the second transmission wheel 55, at this time the double-head driving motor 39 drives the second transmission wheel 55 to rotate through the transmission between the first transmission wheel 53 and the second transmission wheel 55, the second transmission wheel 55 drives the spray head 44 to adjust the angle through the pulling of the connecting rod 56, so that the spray head 44 can be aligned with the fire, and when the fire is large, the spray head 44 can be driven to rotate reciprocatingly, so that the fire near the fire can be covered to extinguish the fire and prevent the fire from spreading, thereby facilitating subsequent rescue.

[0031] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A fire cabinet intelligent sensing and modular extinguishing device, comprising a cabinet body mechanism (1), characterized in that, The top of the cabinet mechanism (1) is provided with a detection mechanism (2), the inner side wall of the cabinet mechanism (1) is provided with a lifting mechanism (3), the lifting mechanism (3) is fixedly installed with a fire extinguishing mechanism (4), and the position of the lifting mechanism (3) corresponding to the fire extinguishing mechanism (4) is provided with a transmission mechanism (5). The lifting mechanism (3) comprises a lifting groove (31), a threaded rod (32) in a vertical manner is fixedly connected in the lifting groove (31), a threaded sleeve (33) is threadedly connected to the threaded rod (32), a lifting plate (34) is rotatably connected to the outer side wall of the threaded sleeve (33) through a bearing, the lifting plate (34) is connected in the lifting groove (31), a T-shaped sliding groove (35) is formed in the lower surface of the lifting plate (34), a T-shaped sliding block (36) is slidably connected in the T-shaped sliding groove (35), a drive cylinder (37) is fixedly installed in the lifting plate (34), the output end of the drive cylinder (37) extends through the T-shaped sliding groove (35) and is fixedly connected to the T-shaped sliding block (36), the lower end of the T-shaped sliding block (36) extends out of the lifting plate (34) and is fixedly connected with a mounting plate (38), a double-head drive motor (39) is fixedly installed on the mounting plate (38), both end output ends of the double-head drive motor (39) are fixedly connected with a drive rod (310) through a shaft coupling, and the end of one of the drive rods (310) away from the double-head drive motor (39) is fixedly connected with a first bevel gear (311). The transmission mechanism (5) comprises a mounting hole (51) which is formed through the lifting plate (34), a through hole (52) is formed through the mounting plate (38) at the position corresponding to the mounting hole (51), a first transmission wheel (53) is fixedly sleeved on the other drive rod (310) at the position corresponding to the through hole (52), a rotating rod (54) is rotatably connected to the hole wall of the mounting hole (51), the rotating rod (54) extends through the mounting hole (51) and is fixedly connected with a second transmission wheel (55), the first transmission wheel (53) abuts against the second transmission wheel (55), and a connecting rod (56) is rotatably connected to the outer side edge of the second transmission wheel (55) through a rotating shaft, and the upper end of the connecting rod (56) is rotatably connected to the spray head (44) through a rotating shaft.

2. The cabinet fire intelligent sensing and modular extinguishing device according to claim 1, characterized in that: The cabinet mechanism (1) comprises a cabinet (11), a mounting frame (12) is fixedly installed in the cabinet (11), electronic elements (13) are fixedly installed on the mounting frame (12), a cabinet door (14) is rotatably connected to the cabinet opening of the cabinet (11) through a hinge, and a handle (15) is fixedly connected to the outer side wall of the cabinet door (14).

3. The cabinet fire intelligent sensing and modular extinguishing apparatus according to claim 1, characterized in that: The detection mechanism (2) includes a mounting seat (21), the mounting seat (21) is fixedly installed at the inner top of the cabinet body (11), and a connecting hole (22) is formed through the mounting seat (21), an exhaust hole (23) is formed through the upper end hole wall of the connecting hole (22), a filter screen (24) is fixedly connected to the upper end hole of the exhaust hole (23), a driving motor (25) is fixedly installed on the filter screen (24), a fan blade (26) is fixedly connected to the output end of the driving motor (25) through a shaft coupling, a flame detector (27) is fixedly connected to the two end holes of the connecting hole (22), and two smoke temperature composite sensors (28) are fixedly installed on the connecting hole (22) hole at the side of the two flame detectors (27).

4. The cabinet fire intelligent sensing and modular extinguishing apparatus according to claim 1, characterized in that: The fire extinguishing mechanism (4) includes a controller (41), a monitoring camera (42) and a fire extinguishing agent storage tank (43), the controller (41) is fixedly installed in the inner side of the lifting plate (34), the monitoring camera (42) is fixedly installed on the outer side wall of the lifting plate (34) near the side of the slot opening of the lifting groove (31), the fire extinguishing agent storage tank (43) is fixedly installed on the upper surface of the lifting plate (34), the fire extinguishing agent in the fire extinguishing agent storage tank (43) is perfluorohexanone, and a spray head (44) is rotatably connected to the output end of the fire extinguishing agent storage tank (43).

5. The cabinet fire intelligent sensing and modular extinguishing device according to claim 3, characterized in that: An infrared flame detector (29) is fixedly installed on the center of the lower surface of the mounting seat (21), two pressure sensors (210) are fixedly installed on the lower surface of the mounting seat (21) at the two sides of the infrared flame detector (29), and a general controller (211) is fixedly installed on the cabinet body (11) at a position above the mounting seat (21).

6. The cabinet fire intelligent sensing and modular extinguishing apparatus according to claim 4, characterized in that: The mounting plate (38) is L-shaped, and the mounting plate (38) is provided with an anti-skid pattern and abuts against the groove wall of the lifting groove (31).

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