A power distribution cabinet with intelligent monitoring and protection functions

Abstract

The invention relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet with intelligent monitoring and protection functions, which solves the problem that the existing power distribution cabinet has poor safety protection function. The power distribution cabinet comprises a power distribution cabinet body, wherein a wireless intelligent controller is fixedly arranged at the bottom end inside the power distribution cabinet body, and a plurality of fire monitoring sensors and a combined fire extinguishing mechanism are arranged inside the power distribution cabinet body. The combined fire extinguishing mechanism consists of a lifting and hoisting component, a patrol-type fire extinguishing component and a combined assembled fire extinguishing component. The lifting and hoisting component is fixedly connected to the top of the power distribution cabinet body, the patrol-type fire extinguishing component is fixedly connected to the side inside the power distribution cabinet body and is fixedly connected to the lifting and hoisting component, the combined assembled fire extinguishing component is connected to the top of the power distribution cabinet body, and the combined assembled fire extinguishing component consists of a fixed-point fire extinguishing unit and a passive lifting and hoisting fire extinguishing unit. Through the power distribution cabinet, fire monitoring and fire extinguishing functions can be realized, and the safety of the power distribution cabinet is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of power distribution cabinets, and specifically relates to a power distribution cabinet with intelligent monitoring and protection functions. Background Art

[0002] Distribution cabinets include power distribution cabinets, lighting distribution cabinets, metering cabinets, etc., which are the terminal equipment of the distribution system. The safety of the distribution cabinet during use is extremely important, especially the fire prevention and control function. Most of the existing distribution cabinets only have fire monitoring functions during use, but do not have active fire extinguishing functions. Therefore, when a fire occurs, it will be more dangerous and will cause greater losses. Some distribution cabinets have fire extinguishing functions, but the fire extinguishing structure is relatively simple, the fire extinguishing effect is not good, and it is impossible to adaptively extinguish the fire according to the fire situation. Therefore, the present application proposes a distribution cabinet with intelligent monitoring and protection functions. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a distribution cabinet with intelligent monitoring and protection functions, which effectively solves the problem that the existing distribution cabinet has poor safety protection function.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a power distribution cabinet with intelligent monitoring and protection functions, comprising a power distribution cabinet body, a wireless intelligent controller is fixedly arranged at the bottom end of the power distribution cabinet body, a plurality of fire monitoring sensors and a combined fire extinguishing mechanism are arranged inside the power distribution cabinet body, and the combined fire extinguishing mechanism is composed of a lifting and hoisting assembly, a patrol-type fire extinguishing assembly and a combined assembled fire extinguishing assembly, the lifting and hoisting assembly is fixedly connected to the top of the power distribution cabinet body, the patrol-type fire extinguishing assembly is fixedly connected to the side of the power distribution cabinet body and is fixedly connected to the lifting and hoisting assembly, the combined assembled fire extinguishing assembly is connected to the top of the power distribution cabinet body, the combined assembled fire extinguishing assembly is composed of a fixed-point fire extinguishing unit and a passive lifting and hoisting fire extinguishing unit, the fixed-point fire extinguishing unit is fixedly connected to the top of the power distribution cabinet body, the passive lifting and hoisting fire extinguishing unit is connected to one side of the fixed-point fire extinguishing unit and matches the patrol-type fire extinguishing assembly;

[0005] Among them, the lifting and hoisting assembly is composed of a servo motor, a worm, a worm wheel, a synchronous shaft, two rope wheels and two steel ropes. The servo motor is fixedly connected to the top of the power distribution cabinet body, the worm is fixedly connected to the output shaft of the servo motor, the synchronous shaft is rotatably connected to the top of the power distribution cabinet body, the worm wheel is fixedly connected to the synchronous shaft and meshed with the worm, the two rope wheels are respectively fixedly connected to the two ends of the synchronous shaft, the two steel ropes are respectively connected to the two rope wheels, and the patrol-type fire extinguishing assembly is fixedly connected to the bottom ends of the two steel ropes;

[0006] The patrol fire extinguishing assembly is composed of a supporting crossbeam, a second servo motor, a lead screw, a slider, a patrol fire extinguishing nozzle, a patrol fire sensor, a carbon dioxide fire extinguishing tank, a fire extinguishing hose and a plurality of limit plugs. The supporting crossbeam is fixedly connected to the bottom end of the steel suspension rope, a transverse slide groove is provided on the supporting crossbeam, the second servo motor is fixedly connected to one end inside the supporting crossbeam, the lead screw is rotatably connected to the inside of the transverse slide groove and is fixedly connected to the output shaft of the second servo motor, the slider is slidably connected to the inside of the transverse slide groove and is threadedly connected to the lead screw, the patrol fire extinguishing nozzle and the patrol fire sensor are both interspersed and connected to the slider, the carbon dioxide fire extinguishing tank is fixedly connected to the bottom end of the supporting crossbeam, the fire extinguishing hose is connected between the patrol fire extinguishing nozzle and the carbon dioxide fire extinguishing tank, and the limit plug is fixedly connected to one side of the top of the supporting crossbeam;

[0007] The fixed-point fire extinguishing unit is composed of a strip support plate, two carbon dioxide fire extinguishing tanks, one fire extinguishing nozzle, a plurality of fire extinguishing nozzles, an auxiliary support beam, a plurality of limit telescopic arms and a plurality of limit push springs. The strip support plate is fixedly connected to the power distribution cabinet body, the two carbon dioxide fire extinguishing tanks are fixedly connected to the top of the strip support plate, the one fire extinguishing nozzle is connected to the two carbon dioxide fire extinguishing tanks through the one fire extinguishing nozzle, the limit telescopic arm is slidably inserted in the strip support plate, the limit push spring is connected between the limit telescopic arm and the strip support plate, the auxiliary support beam is fixedly connected to one end of the limit telescopic arm, and a plurality of limit sockets are provided on the auxiliary support beam;

[0008] The passive lifting fire extinguishing unit is composed of a lifting support plate, a carbon dioxide fire extinguishing tank three, a fire extinguishing nozzle two, a plurality of fire extinguishing nozzle heads two and a plurality of limit plug columns two. One side of the top of the lifting support plate is provided with a plurality of limit sockets two that match the limit plug columns one. The carbon dioxide fire extinguishing tank three is fixedly connected to the top of the lifting support plate. The fire extinguishing nozzle two is connected to the carbon dioxide fire extinguishing tank three through the fire extinguishing nozzle two. The limit plug column two is fixedly connected to one side of the bottom end of the lifting support plate and matches the limit socket one.

[0009] Preferably, a protective shell matching the lifting and hoisting assembly is fixedly provided on the top of the distribution cabinet body.

[0010] Preferably, vertical limiting sliding grooves matching the supporting beams are provided on both sides of the interior of the power distribution cabinet body.

[0011] Preferably, both ends of the supporting crossbeam are fixedly provided with limiting sliding blocks matching the vertical limiting sliding grooves.

[0012] Preferably, a plurality of auxiliary support seats sleeved on the synchronous rotating shaft are fixedly provided on the top of the power distribution cabinet body, and the auxiliary support seats are rotatably connected to the synchronous rotating shaft through bearings.

[0013] Preferably, a solenoid valve 1 connected to a fire extinguishing hose is fixedly provided on the exhaust port of the carbon dioxide fire extinguishing tank 1.

[0014] Preferably, the first fire extinguishing nozzle and the second fire extinguishing nozzle are both provided with a second solenoid valve.

[0015] Preferably, auxiliary support units matching the lifting support plates are fixedly provided at the top ends of both sides inside the power distribution cabinet body.

[0016] Preferably, the auxiliary support unit is composed of a limit support block, an L-shaped support plate and a spring shaft. The limit support block is fixedly connected to the inner wall of the distribution cabinet body, and the L-shaped support plate is rotatably connected to the inner wall of the distribution cabinet body through the spring shaft. The L-shaped support plate is located on the top of the limit support block.

[0017] Preferably, rubber gaskets are fixedly provided on the top ends of the position-limiting support block and the L-shaped support plate.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] (1) During operation, by setting up a lifting and hoisting assembly consisting of a servo motor, a worm, a worm gear, a synchronous shaft, two rope wheels and two steel ropes, the patrol fire extinguishing assembly can be driven to perform lifting and lowering movements. By setting up a patrol fire extinguishing assembly consisting of a supporting crossbeam, a servo motor, a screw rod, a slider, a patrol fire extinguishing nozzle, a patrol fire sensor, a carbon dioxide fire extinguishing tank, a fire extinguishing hose and a plurality of limit plugs, the inside of the distribution cabinet can be inspected and the fire source can be found in time, so as to achieve a small-scale fixed-point fire extinguishing to prevent the fire from spreading and causing the entire distribution cabinet to be burned;

[0020] (2) By setting a fixed-point fire extinguishing unit consisting of a strip support plate, two carbon dioxide fire extinguishing tanks, one fire extinguishing nozzle, one plurality of fire extinguishing nozzles, an auxiliary support beam, a plurality of limit telescopic arms and a plurality of limit push springs, when the fire inside the distribution cabinet is large, an overall and comprehensive fire extinguishing operation can be achieved to prevent the fire from spreading further and affecting the safety of the entire distribution room. By setting a passive lifting fire extinguishing unit consisting of a lifting support plate, three carbon dioxide fire extinguishing tanks, two fire extinguishing nozzles, two plurality of fire extinguishing nozzles and two plurality of limit plugs, when the fire inside the distribution cabinet is large, the passive lifting fire extinguishing unit can be driven to lift and lower through the patrol-type fire extinguishing assembly, and the passive lifting fire extinguishing unit can be used to achieve a comprehensive cleaning-type fire extinguishing from top to bottom inside the distribution cabinet, so that the fire is completely extinguished, effectively preventing the fire from spreading;

[0021] (3) By providing an auxiliary support unit consisting of a limit support block, an L-shaped support plate and a spring shaft, auxiliary support can be provided to the passive lifting fire extinguishing unit, thereby improving the installation stability of the passive lifting fire extinguishing unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0023] In the attached picture:

[0024] Figure 1 This is a schematic diagram of the structure of a power distribution cabinet with intelligent monitoring and protection functions of the present invention;

[0025] Figure 2 This is one of the structural schematic diagrams of the combined fire extinguishing mechanism of the present invention;

[0026] Figure 3 This is the second structural schematic diagram of the combined fire extinguishing mechanism of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of the lifting and hoisting assembly of the present invention;

[0028] Figure 5 This is a schematic diagram of the structure of the patrol-type fire extinguishing assembly of the present invention;

[0029] Figure 6 It is one of the side views of the patrol-type fire extinguishing assembly and the combined assembled fire extinguishing assembly of the present invention;

[0030] Figure 7 This is the second side view of the patrol-type fire extinguishing assembly and the combined assembled fire extinguishing assembly of the present invention;

[0031] Figure 8 It is a side sectional view of the fixed-point fire extinguishing unit of the present invention;

[0032] Fig. 9 It is a side sectional view of the passive lifting fire extinguishing unit of the present invention;

[0033] Fig.10 It is a side view of the fixed-point fire extinguishing unit of the present invention;

[0034] Fig.11 This is a schematic diagram of the auxiliary support unit structure of the present invention;

[0035] In the figure: 1. Power distribution cabinet body; 2. Wireless intelligent controller; 3. Fire monitoring sensor; 4. Combined fire extinguishing mechanism; 5. Lifting and hoisting assembly; 6. Patrol fire extinguishing assembly; 7. Combined assembled fire extinguishing assembly; 8. Fixed-point fire extinguishing unit; 9. Passive lifting fire extinguishing unit; 10. Servo motor 1; 11. Worm; 12. Worm gear; 13. Synchronous shaft; 14. Pulley; 15. Steel rope; 16. Support beam; 17. Servo motor 2; 18. Screw; 19. Slider; 20. Patrol fire extinguishing nozzle; 21. Patrol fire sensor; 22. Carbon dioxide fire extinguishing tank 1; 23. Fire extinguishing hose; 24. Limiting column 1; 25. Horizontal slide; 26 , strip support plate; 27, carbon dioxide fire extinguishing tank two; 28, fire extinguishing nozzle one; 29, fire extinguishing nozzle one; 30, auxiliary support beam; 31, limit telescopic arm; 32, limit push spring; 33, limit socket one; 34, lifting support plate; 35, carbon dioxide fire extinguishing tank three; 36, fire extinguishing nozzle two; 37, fire extinguishing nozzle two; 38, limit plug two; 39, limit socket two; 40, protective shell; 41, vertical limit slide; 42, limit slider; 43, auxiliary support seat; 44, solenoid valve one; 45, solenoid valve two; 46, auxiliary support unit; 47, limit support block; 48, L-shaped support tray; 49, spring shaft; 50, rubber gasket. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] Embodiment 1, by Figures 1 to 10 The present invention provides a power distribution cabinet with intelligent monitoring and protection functions, comprising a power distribution cabinet body 1, wherein a wireless intelligent controller 2 is fixedly arranged at the bottom end of the power distribution cabinet body 1, and a plurality of fire monitoring sensors 3 and a combined fire extinguishing mechanism 4 are arranged inside the power distribution cabinet body 1, wherein the combined fire extinguishing mechanism 4 is composed of a lifting and hoisting assembly 5, a patrol-type fire extinguishing assembly 6 and a combined assembled fire extinguishing assembly 7, wherein the lifting and hoisting assembly 5 is fixedly connected to the top of the power distribution cabinet body 1, the patrol-type fire extinguishing assembly 6 is fixedly connected to the side inside the power distribution cabinet body 1 and is fixedly connected to the lifting and hoisting assembly 5, and the combined assembled fire extinguishing assembly 7 is connected to the top of the power distribution cabinet body 1, and the combined assembled fire extinguishing assembly 7 is composed of a fixed-point fire extinguishing unit 8 and a passive lifting and hoisting fire extinguishing unit 9, wherein the fixed-point fire extinguishing unit 8 is fixedly connected to the top of the power distribution cabinet body 1, and the passive lifting and hoisting fire extinguishing unit 9 is connected to one side of the fixed-point fire extinguishing unit 8 and matches the patrol-type fire extinguishing assembly 6;

[0038] When the power distribution cabinet is in normal working state, the inspection fire extinguishing assembly 6 is driven to lift and lower through the lifting and hoisting assembly 5, and the inspection fire extinguishing assembly 6 is used to inspect the inside of the power distribution cabinet, and the fire source is found in time, so that local fire extinguishing can be carried out in time. When the fire inside the power distribution cabinet is large, the fixed-point fire extinguishing unit 8 and the passive lifting fire extinguishing unit 9 are used to achieve full extinguishing operation to prevent the fire from spreading and burning the entire power distribution room;

[0039] Among them, the lifting and hoisting assembly 5 is composed of a servo motor 10, a worm 11, a worm wheel 12, a synchronous shaft 13, two rope pulleys 14 and two steel ropes 15. The servo motor 10 is fixedly connected to the top of the distribution cabinet body 1, the worm 11 is fixedly connected to the output shaft of the servo motor 10, the synchronous shaft 13 is rotatably connected to the top of the distribution cabinet body 1, the worm wheel 12 is fixedly connected to the synchronous shaft 13 and meshed with the worm 11, the two rope pulleys 14 are respectively fixedly connected to the two ends of the synchronous shaft 13, the two steel ropes 15 are respectively connected to the two rope pulleys 14, and the patrol-type fire extinguishing assembly 6 is fixedly connected to the bottom ends of the two steel ropes 15;

[0040] When the lifting and hoisting assembly 5 is working, the servo motor 10 drives the worm 11 to rotate, the worm 11 drives the worm wheel 12 to rotate, the worm wheel 12 drives the synchronous shaft 13 to rotate, the synchronous shaft 13 drives the two rope wheels 14 to rotate synchronously, and the rope wheel 14 can realize the retracting and releasing operation of the steel rope 15. The rope groove spacing of the rope wheel 14 is the same as the diameter of the steel rope 15, so that the error can be reduced, so that the two steel ropes 15 can be lifted and lowered synchronously, and the uniformity of the force can be improved;

[0041] The patrol fire extinguishing assembly 6 is composed of a support beam 16, a servo motor 17, a screw 18, a slider 19, a patrol fire extinguishing nozzle 20, a patrol fire sensor 21, a carbon dioxide fire extinguishing tank 22, a fire extinguishing hose 23 and a plurality of limit plugs 24. The support beam 16 is fixedly connected to the bottom end of the steel suspension rope 15, and a horizontal slide groove 25 is provided on the support beam 16. The servo motor 17 is fixedly connected to one end of the support beam 16, and the screw 18 is rotatably connected to the horizontal slide groove 25. The interior of the servo motor 17 is fixedly connected to the output shaft of the servo motor 17, the slider 19 is slidably connected to the interior of the horizontal slide 25 and is threadedly connected to the screw rod 18, the patrol fire extinguishing nozzle 20 and the patrol fire sensor 21 are both inserted and connected to the slider 19, the carbon dioxide fire extinguishing tank 22 is fixedly connected to the bottom end of the supporting beam 16, the fire extinguishing hose 23 is connected between the patrol fire extinguishing nozzle 20 and the carbon dioxide fire extinguishing tank 22, and the limit plug column 24 is fixedly connected to one side of the top of the supporting beam 16;

[0042] During the lifting process of the patrol fire extinguishing assembly 6, the servo motor 17 drives the screw rod 18 to rotate, and the screw rod 18 drives the slider 19 to reciprocate horizontally, thereby driving the patrol fire extinguishing nozzle 20 and the patrol fire sensor 21 to monitor each distribution switch inside the distribution cabinet. When the fire source is found, the carbon dioxide fire extinguishing tank 22, the fire extinguishing hose 23 and the patrol fire extinguishing nozzle 20 are used to quickly extinguish the fire locally, so as to prevent the fire from spreading to the entire distribution cabinet, thereby improving safety and reducing losses.

[0043] The fixed-point fire extinguishing unit 8 is composed of a strip support plate 26, a carbon dioxide fire extinguishing tank 27, a fire extinguishing nozzle 28, a plurality of fire extinguishing nozzles 29, an auxiliary support beam 30, a plurality of limit telescopic arms 31 and a plurality of limit push springs 32. The strip support plate 26 is fixedly connected to the power distribution cabinet body 1, the carbon dioxide fire extinguishing tank 27 is fixedly connected to the top of the strip support plate 26, the fire extinguishing nozzle 29 is connected to the carbon dioxide fire extinguishing tank 27 through the fire extinguishing nozzle 28, the limit telescopic arm 31 is slidably inserted in the strip support plate 26, the limit push spring 32 is connected between the limit telescopic arm 31 and the strip support plate 26, the auxiliary support beam 30 is fixedly connected to one end of the limit telescopic arm 31, and the auxiliary support beam 30 is provided with a plurality of limit sockets 33;

[0044] When the fire inside the power distribution cabinet is large, the carbon dioxide fire extinguishing tank 27, the fire extinguishing nozzle 28 and the fire extinguishing nozzle 29 spray carbon dioxide from top to bottom to achieve comprehensive fire extinguishing inside the power distribution cabinet, and the auxiliary support beam 30, the limit telescopic arm 31 and the limit push spring 32 support and fix the passive lifting fire extinguishing unit 9;

[0045] The passive lifting fire extinguishing unit 9 is composed of a lifting support plate 34, a carbon dioxide fire extinguishing tank 35, a fire extinguishing nozzle 36, a plurality of fire extinguishing nozzles 37 and a plurality of limiting plugs 38. A plurality of limiting plug holes 39 matching the limiting plugs 24 are provided on one side of the top of the lifting support plate 34. The carbon dioxide fire extinguishing tank 35 is fixedly connected to the top of the lifting support plate 34. The fire extinguishing nozzle 37 is connected to the carbon dioxide fire extinguishing tank 35 through the fire extinguishing nozzle 36. The limiting plug 38 is fixedly connected to one side of the bottom of the lifting support plate 34 and matches the limiting plug hole 33.

[0046] When the passive lifting fire extinguishing unit 9 is working, the lifting and hoisting assembly 5 drives the inspection fire extinguishing assembly 6 to move upward, so that the limit plug column 24 is inserted into the inside of the limit socket 2 39, and then the inspection fire extinguishing assembly 6 continues to move upward for a certain distance, so that the limit plug column 2 38 is separated from the limit socket 1 33. At this time, the limit push spring 32 drives the limit telescopic arm 31 to move completely to the inside of the strip support plate 26, and the auxiliary support beam 30 is fitted with the strip support plate 26 and moved away from the bottom of the limit plug column 2 38 to form a staggered structure. When the inspection fire extinguishing assembly 6 moves downward, it simultaneously drives the lifting support plate 34 to move downward, and then drives the carbon dioxide fire extinguishing tank 3 35, the fire extinguishing nozzle 2 36 and the fire extinguishing nozzle 2 37 to move downward. The carbon dioxide fire extinguishing tank 3 35, the fire extinguishing nozzle 2 36 and the fire extinguishing nozzle 2 37 realize movement from top to bottom, so as to further extinguish the fire inside the distribution cabinet, effectively eliminate all fire points, and prevent the spread of fire.

[0047] Embodiment 2, based on embodiment 1, Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 8 , Fig. 9 , Fig.10 and Fig.11 It is given that a protective shell 40 matching the lifting and hoisting assembly 5 is fixedly provided at the top of the power distribution cabinet body 1, vertical limit slide grooves 41 matching the supporting crossbeam 16 are provided on both sides of the inside of the power distribution cabinet body 1, and limit sliders 42 matching the vertical limit slide grooves 41 are fixedly provided at both ends of the supporting crossbeam 16, and a plurality of auxiliary support seats 43 sleeved on the synchronous rotating shaft 13 are fixedly provided at the top of the power distribution cabinet body 1, and the auxiliary support seats 43 are rotatably connected to the synchronous rotating shaft 13 through bearings, and a solenoid valve 44 connected to the fire extinguishing hose 23 is fixedly provided on the exhaust port of the carbon dioxide fire extinguishing tank 22, and a solenoid valve 2 45 is provided on both the fire extinguishing nozzle 28 and the fire extinguishing nozzle 2 36;

[0048] The protective housing 40 can enclose and install the lifting and hoisting assembly 5, the vertical limit slide groove 41 and the limit slider 42 form a limit effect to improve the stability of the support beam 16, the auxiliary support seat 43 supports the synchronous rotating shaft 13 to improve its stability, the solenoid valve 1 44 can control the on and off of the fire extinguishing hose 23, and the solenoid valve 2 45 can control the on and off of the fire extinguishing nozzle 1 28 and the fire extinguishing nozzle 2 36;

[0049] Auxiliary support units 46 matching the lifting support plate 34 are fixedly arranged at the top of both sides of the inside of the power distribution cabinet body 1. The auxiliary support unit 46 is composed of a limit support block 47, an L-shaped support plate 48 and a spring shaft 49. The limit support block 47 is fixedly connected to the inner side wall of the power distribution cabinet body 1. The L-shaped support plate 48 is rotatably connected to the inner side wall of the power distribution cabinet body 1 through the spring shaft 49. The L-shaped support plate 48 is located at the top of the limit support block 47. The tops of the limit support block 47 and the L-shaped support plate 48 are fixedly provided with rubber gaskets 50.

[0050] The auxiliary support unit 46 provides auxiliary support for the lifting support plate 34, thereby improving the overall stability of the passive lifting fire extinguishing unit 9. When the passive lifting fire extinguishing unit 9 moves up, the spring shaft 49 drives the L-shaped support plate 48 to rotate, releasing the limiting effect on the lifting support plate 34, so that the passive lifting fire extinguishing unit 9 can move downward.

[0051] During operation, by setting up a lifting and hoisting assembly consisting of a servo motor, a worm, a worm gear, a synchronous shaft, two rope pulleys and two steel ropes, the patrol-type fire extinguishing assembly can be driven to perform lifting and lowering movements; by setting up a patrol-type fire extinguishing assembly consisting of a supporting crossbeam, a servo motor, a screw, a slider, a patrol-type fire extinguishing nozzle, a patrol-type fire sensor, a carbon dioxide fire extinguishing tank, a fire extinguishing hose and a plurality of limit plugs, it is possible to patrol the inside of the distribution cabinet and find the fire source in time, thereby achieving small-scale fixed-point fire extinguishing to prevent the spread of fire and the burning of the entire distribution cabinet; by setting up a fixed-point fire extinguishing unit consisting of a strip support plate, a carbon dioxide fire extinguishing tank, a fire extinguishing nozzle, a plurality of fire extinguishing nozzles, an auxiliary support beam, a plurality of limit telescopic arms and a plurality of limit push springs, it is possible to When the fire inside the distribution cabinet is large, an overall and comprehensive fire extinguishing operation is implemented to prevent the fire from further spreading and affecting the safety of the entire distribution room. By setting a passive lifting fire extinguishing unit composed of a lifting support plate, three carbon dioxide fire extinguishing tanks, two fire extinguishing nozzles, two fire extinguishing nozzles and two limiting plugs, when the fire inside the distribution cabinet is large, the passive lifting fire extinguishing unit can be driven to lift and lower through the patrol-type fire extinguishing assembly, and the passive lifting fire extinguishing unit can be used to achieve a comprehensive cleaning fire extinguishing from top to bottom inside the distribution cabinet, so that the fire is completely extinguished and the fire is effectively prevented from spreading. By setting an auxiliary support unit composed of a limiting support block, an L-shaped support tray and a spring shaft, auxiliary support for the passive lifting fire extinguishing unit can be achieved, thereby improving the installation stability of the passive lifting fire extinguishing unit.

Claims

1. A power distribution cabinet with intelligent monitoring and protection functions, comprising a power distribution cabinet body (1), characterized in that: A wireless intelligent controller (2) is fixedly arranged at the bottom of the power distribution cabinet body (1), and a plurality of fire monitoring sensors (3) and a combined fire extinguishing mechanism (4) are arranged inside the power distribution cabinet body (1). The combined fire extinguishing mechanism (4) is composed of a lifting and hoisting assembly (5), a patrol-type fire extinguishing assembly (6) and a combined assembled fire extinguishing assembly (7). The lifting and hoisting assembly (5) is fixedly connected to the top of the power distribution cabinet body (1), and the patrol-type fire extinguishing assembly (6) is fixedly connected to the power distribution cabinet body. (1) and is fixedly connected to the lifting and hoisting assembly (5), the combined assembled fire extinguishing assembly (7) is connected to the top of the inside of the power distribution cabinet body (1), the combined assembled fire extinguishing assembly (7) is composed of a fixed-point fire extinguishing unit (8) and a passive lifting fire extinguishing unit (9), the fixed-point fire extinguishing unit (8) is fixedly connected to the top of the inside of the power distribution cabinet body (1), and the passive lifting fire extinguishing unit (9) is connected to one side of the fixed-point fire extinguishing unit (8) and matches with the patrol-type fire extinguishing assembly (6); The lifting and hoisting assembly (5) is composed of a servo motor (10), a worm (11), a worm wheel (12), a synchronous rotating shaft (13), two rope wheels (14) and two steel hanging ropes (15); the servo motor (10) is fixedly connected to the top of the power distribution cabinet body (1); the worm (11) is fixedly connected to the output shaft of the servo motor (10); the synchronous rotating shaft (13) is rotatably connected to the top of the power distribution cabinet body (1); the worm wheel (12) and the synchronous rotating shaft (13) are fixedly connected and meshed with the worm (11); the two rope wheels (14) are respectively fixedly connected to the two ends of the synchronous rotating shaft (13); the two steel hanging ropes (15) are respectively connected to the two rope wheels (14); and the patrol-type fire extinguishing assembly (6) is fixedly connected to the bottom ends of the two steel hanging ropes (15); The patrol fire extinguishing assembly (6) is composed of a supporting crossbeam (16), a second servo motor (17), a screw rod (18), a slider (19), a patrol fire extinguishing nozzle (20), a patrol fire sensor (21), a carbon dioxide fire extinguishing tank (22), a fire extinguishing hose (23) and a plurality of limit plugs (24). The supporting crossbeam (16) is fixedly connected to the bottom end of the steel suspension rope (15), a transverse slide groove (25) is provided on the supporting crossbeam (16), the second servo motor (17) is fixedly connected to one end inside the supporting crossbeam (16), and the screw rod (18) is rotatably connected to the transverse slide groove. (25) and is fixedly connected to the output shaft of the servo motor 2 (17), the slider (19) is slidably connected to the inside of the transverse slide groove (25) and is threadedly connected to the screw rod (18), the patrol fire extinguishing nozzle (20) and the patrol fire sensor (21) are both inserted and connected to the slider (19), the carbon dioxide fire extinguishing tank 1 (22) is fixedly connected to the bottom end of the supporting crossbeam (16), the fire extinguishing hose (23) is connected between the patrol fire extinguishing nozzle (20) and the carbon dioxide fire extinguishing tank 1 (22), and the limit plug column 1 (24) is fixedly connected to one side of the top end of the supporting crossbeam (16); The fixed-point fire extinguishing unit (8) is composed of a strip support plate (26), two carbon dioxide fire extinguishing tanks (27), one fire extinguishing nozzle (28), a plurality of fire extinguishing nozzles (29), an auxiliary support beam (30), a plurality of limit telescopic arms (31) and a plurality of limit push springs (32). The strip support plate (26) is fixedly connected to the power distribution cabinet body (1). The two carbon dioxide fire extinguishing tanks (27) are fixedly connected to the top of the strip support plate (26). The one fire extinguishing nozzle (29) is connected to the two carbon dioxide fire extinguishing tanks (27) through the one fire extinguishing nozzle (28). The limit telescopic arm (31) is slidably inserted in the strip support plate (26). The limit push spring (32) is connected between the limit telescopic arm (31) and the strip support plate (26). The auxiliary support beam (30) is fixedly connected to one end of the limit telescopic arm (31). The auxiliary support beam (30) is provided with a plurality of limit plug holes (33). The passive lifting fire extinguishing unit (9) is composed of a lifting support plate (34), a carbon dioxide fire extinguishing tank (35), a fire extinguishing nozzle (36), a plurality of fire extinguishing nozzles (37) and a plurality of limiting plugs (38). A plurality of limiting plug holes (39) matching with the limiting plugs (24) are provided on one side of the top of the lifting support plate (34). The carbon dioxide fire extinguishing tank (35) is fixedly connected to the top of the lifting support plate (34). The fire extinguishing nozzle (37) is connected to the carbon dioxide fire extinguishing tank (35) through the fire extinguishing nozzle (36). The limiting plugs (38) are fixedly connected to one side of the bottom of the lifting support plate (34) and match with the limiting plug hole (33).

2. A power distribution cabinet with intelligent monitoring and protection functions according to claim 1, characterized in that: A protective shell (40) matching the lifting and hoisting assembly (5) is fixedly arranged on the top of the power distribution cabinet body (1).

3. A power distribution cabinet with intelligent monitoring and protection functions according to claim 1, characterized in that: Vertical limiting sliding grooves (41) matching the supporting crossbeams (16) are provided on both sides of the inside of the power distribution cabinet body (1).

4. A power distribution cabinet with intelligent monitoring and protection functions according to claim 3, characterized in that: Limiting sliding blocks (42) matching the vertical limiting sliding grooves (41) are fixedly provided at both ends of the supporting cross beam (16).

5. The power distribution cabinet with intelligent monitoring and protection functions according to claim 1 is characterized in that: A plurality of auxiliary support seats (43) sleeved on the synchronous rotating shaft (13) are fixedly arranged on the top of the power distribution cabinet body (1), and the auxiliary support seats (43) are rotatably connected to the synchronous rotating shaft (13) via bearings.

6. A power distribution cabinet with intelligent monitoring and protection functions according to claim 1, characterized in that: A solenoid valve (44) connected to a fire extinguishing hose (23) is fixedly arranged on the exhaust port of the carbon dioxide fire extinguishing tank (22).

7. The power distribution cabinet with intelligent monitoring and protection functions according to claim 1, characterized in that: The first fire extinguishing nozzle (28) and the second fire extinguishing nozzle (36) are both provided with a second electromagnetic valve (45).

8. The power distribution cabinet with intelligent monitoring and protection functions according to claim 1, characterized in that: Auxiliary support units (46) matching the lifting support plates (34) are fixedly arranged at the top ends of both sides inside the power distribution cabinet body (1).

9. A power distribution cabinet with intelligent monitoring and protection functions according to claim 8, characterized in that: The auxiliary support unit (46) is composed of a limit support block (47), an L-shaped support plate (48) and a spring shaft (49); the limit support block (47) is fixedly connected to the inner side wall of the power distribution cabinet body (1); the L-shaped support plate (48) is rotatably connected to the inner side wall of the power distribution cabinet body (1) via the spring shaft (49); and the L-shaped support plate (48) is located on the top of the limit support block (47).

10. A power distribution cabinet with intelligent monitoring and protection functions according to claim 9, characterized in that: The top ends of the position-limiting support block (47) and the L-shaped support plate (48) are both fixedly provided with rubber gaskets (50).

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