A power internet of things based power distribution room fault early warning device and system thereof

Abstract

The application provides a power distribution room fault early warning device and system based on power internet of things, and relates to the technical field of fault early warning devices, which comprises a fault early warning device and a protective box, the fault early warning device is located on the inner side of the protective box, a plurality of supporting legs are fixedly connected to the bottom of the protective box, a box door is rotatably connected to the front surface of the protective box through a hinge, a through-type mounting opening is formed in the bottom of the protective box, a heat dissipation fan is fixedly installed on the inner side of the mounting opening, a through-type heat dissipation opening is formed in the top of the protective box, sliding grooves are formed in the lower parts of the inner sides of the protective box, and sliding blocks are slidably connected to the inner sides of the sliding grooves; the protective box, the supporting legs and the box door can protect the fault early warning device, and the mounting opening, the heat dissipation fan and the heat dissipation opening can dissipate heat from the fault early warning device.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fault early warning devices, in particular to a power distribution room fault early warning device based on a power internet of things and a system thereof. BACKGROUND

[0002] The power equipment mainly comprises transformers, power distribution cabinets, ring network cabinets and the like, and further relates to power transmission lines of various voltage levels, mutual inductors, contactors and the like.

[0003] At present, power equipment often causes accidents due to large power supply demand, and once an accident occurs, great economic losses will be caused, so the fault early warning of the power equipment is very important, which can reduce the occurrence of accidents, thereby avoiding the faults of the power equipment in the use process.

[0004] However, in the use process of the existing power equipment early warning device, in order to protect the early warning device body, a protection box is usually arranged outside the early warning device, but the installation between the existing early warning device and the protection box is unstable, the heat dissipation effect is poor, and improvement is needed, and the existing early warning system is slow in positioning the fault point in use, cannot judge the fault probability of the power distribution line according to the change between voltages, and cannot timely report the maintenance progress to the maintenance station, so how to realize the power internet of things power distribution room fault early warning is a technical problem to be solved at present. SUMMARY

[0005] The application provides a power distribution room fault early warning device based on a power internet of things, which can timely report the maintenance progress to the maintenance station through the internet of things cloud control module.

[0006] The power distribution room fault early warning device based on the power internet of things comprises a fault early warning device and a protection box, characterized in that the fault early warning device is located on the inner side of the protection box, sliding grooves are formed in the lower parts of the two inner sides of the protection box, sliding blocks are slidably connected to the inner sides of the sliding grooves, springs are fixedly connected to the lower inner surfaces of the sliding grooves, the top parts of the springs are in contact with the bottom parts of the sliding blocks, a disengagement groove is integrally formed on the front surface of the sliding groove, the front surface of the disengagement groove penetrates the front surface of the protection box, a clamping frame is fixedly connected to the opposite sides of the two sliding blocks, a base is arranged on the inner side of the clamping frame, the top part of the base is fixedly connected to the bottom part of the fault early warning device, recesses are formed in the upper parts of the two inner sides of the protection box, a plurality of transmission rollers are rotatably connected to the interiors of the recesses through rotating shafts, and one transmission belt is in driving connection with the outer side walls of the transmission rollers on the same side.

[0007] Preferably, the interior of the protection box is provided with a cylindrical cavity on each side of the two grooves, and a through hole one is formed on each side of the two cylindrical cavities;

[0008] A through hole two is formed on each side of the two cylindrical cavities, and a circular block is movably connected to the inner side of the cylindrical cavity;

[0009] The opposite sides of the two circular blocks are fixedly connected with a circular rod;

[0010] The opposite ends of the two circular rods pass through the two hole ones respectively, and are fixedly connected with a U-shaped handle, and the opposite sides of the two circular blocks are fixedly connected with a wedge block;

[0011] The two wedge blocks pass through the hole two respectively and are located in front of the two transmission belts;

[0012] The outer sides of the two circular rods on the opposite sides of the two cylindrical cavities are fixedly connected with a spring two, and the opposite ends of the two springs two are respectively attached to the opposite sides of the two circular blocks, and the front surface of the transmission belt is fixedly connected with a plurality of blocking blocks.

[0013] Preferably, the two sides of the protection box are fixedly connected with a positioning port which is symmetrical up and down, the U-shaped handle is clamped on the inner side of the two positioning ports which are opposite up and down, the opposite sides of the transmission belt are fixedly connected with a baffle, and the lower surface of the baffle is attached to the upper surface of the fault early warning device; the inner side of the positioning port is fixedly connected with a sealing gasket.

[0014] Preferably, the bottom of the protection box is fixedly connected with a plurality of supporting legs, and the front surface of the protection box is rotatably connected with a box door through a hinge;

[0015] The bottom of the protection box is provided with a through mounting port;

[0016] The inner side of the mounting port is fixedly mounted with a cooling fan;

[0017] The top of the protection box is provided with a through cooling port;

[0018] The upper surface of the protection box is fixedly connected with an L-shaped clamping plate on both sides of the cooling port.

[0019] Preferably, the inner sides of the two L-shaped clamping plates are clamped with a filter screen;

[0020] The inner side of the L-shaped clamping plate is fixedly connected with a rubber pad.

[0021] Preferably, the bottom of the supporting leg is fixedly connected with a universal wheel.

[0022] Preferably, a glass window is embedded on the front surface of the box door.

[0023] Preferably, the front surface right side of the box door is fixedly connected with a handle.

[0024] Preferably, the upper surface of the card frame is fixedly connected with a buffer air bag, the inside of the buffer air bag is fixedly connected with a plurality of spring threes, the inside of the cavity is slidably connected with a piston plate, the side of the plurality of piston plates close to the center of the card frame is fixedly connected with a stop plate, the side of the stop plate away from the piston plate penetrates through the opposite side of the cavity and extends to the inside of the card frame, the bottom of the buffer air bag is fixedly connected with a communication pipe, the bottom end of the plurality of communication pipes penetrates through the upper surface of the card frame and is respectively connected with the inside of the plurality of cavities.

[0025] The application also provides a power internet of things based power distribution room fault early warning system, which comprises a power internet of things based power distribution room fault early warning device, a power distribution line data acquisition module, a power distribution line fracture analysis module and an internet of things cloud control module.

[0026] The power distribution line data acquisition module is used for acquiring data flowing through the power distribution line nodes and comparing the data.

[0027] The power distribution line fracture analysis module is used for analyzing the state of the power distribution line through a video monitoring terminal, and assigning workers to repair the power distribution line according to the state of the power distribution line.

[0028] The power distribution room fault early warning device is used for establishing a node influence degree model, determining the fault probability of the nodes on the power distribution line and sorting, and repairing the fault nodes through the establishment of an optimal repair route.

[0029] The internet of things cloud control module is used for saving the historical data on the power distribution line, remotely controlling and issuing instructions to the module, and is connected with the power distribution line data acquisition module, the power distribution line fracture analysis module and the power distribution line fault point analysis module.

[0030] From the above technical solutions, the application has the following advantages:

[0031] The protective box, the supporting leg and the box door are arranged, the mounting port, the heat dissipation fan and the heat dissipation port are arranged, the sliding groove, the sliding block, the spring one, the clamping frame, the recess, the transmission roller and the transmission belt are arranged, the buffer effect is achieved when the fault early warning device is installed into the inner side of the clamping frame through the base at the bottom, the collision between the fault early warning device and the clamping frame during installation is reduced, the clamping frame is arranged with the escape groove, the sliding block is conveniently escaped from the escape groove, and the clamping frame is conveniently disassembled from the inner side of the protective box.

[0032] The cylindrical cavity, the first circular hole, the second circular hole, the circular block, the circular rod, the U-shaped pull handle, the spring two and the positioning port are arranged, the wedge-shaped block can be retracted into the cylindrical cavity while pulling the U-shaped pull handle out of the positioning port, the direction of the inclined surface of the wedge-shaped block can be changed, the transmission belt can only be driven in the clockwise direction when the inclined surface of the wedge-shaped block faces downward, the fault early warning device is conveniently moved downward for installation, the transmission belt cannot be counterclockwise rotated and is blocked by the baffle in this state, the fault early warning device is more stable after installation and is not easy to move upward, and the transmission belt can only be driven in the counterclockwise direction when the inclined surface of the wedge-shaped block faces upward, the fault early warning device is conveniently moved upward for disassembly.

[0033] The communication pipe, the buffer air bag, the spring three, the cavity, the piston plate and the abutting plate are arranged, the spring three is compressed by the weight of the fault early warning device after the fault early warning device is installed into the inner side of the clamping frame through the base at the bottom, a certain buffer effect is achieved, the damage caused by the too fast falling speed during installation of the fault early warning device is avoided, the gas in the buffer air bag is discharged into the cavity through the communication pipe, the piston plate is driven to move, and the abutting plate abuts against the outer side of the base, so that the fault early warning device is more stable when being clamped into the inner side of the clamping frame through the base.

[0034] The power distribution line data acquisition module, the power distribution line fracture analysis module, the power distribution line fault point analysis module and the Internet of Things cloud control module are arranged, whether the voltage of the power distribution line changes due to the fracture of the power distribution line in the power distribution room can be excluded in the first time, the fault point can be located through this mode, the mode does not need manual inspection by technical personnel, the mode is simple and convenient, the historical fault nodes can be retrieved and located after the fault caused by the fracture of the power distribution line is excluded, the probability of the fault of the power distribution line can be judged according to the change between the voltages, and the maintenance station can be timely reported by the Internet of Things cloud control module. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions of the present application, the drawings required to be used in the description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and all other drawings obtained by those skilled in the art without any creative effort based on the drawings are within the protection scope of the present application.

[0036] Figure 1 It is a structural schematic diagram of the present application;

[0037] Figure 2 It is a sectional structural schematic diagram of the present application;

[0038] Figure 3 It is a connecting structural schematic diagram of the card frame and the buffer air bag in the present application;

[0039] Figure 4 It is a top view structural schematic diagram of the card frame cross section in the present application;

[0040] Figure 5 It is a sectional structural schematic diagram of the buffer air bag in the present application;

[0041] Figure 6 It is an enlarged structural schematic diagram of A in the present application Figure 2

[0042] In the figure: 1, fault early warning device; 2, protection box; 3, support leg; 4, box door; 5, mounting port; 6, cooling fan; 7, cooling port; 8, sliding groove; 9, sliding block; 10, spring one; 11, escape groove; 12, card frame; 13, base; 14, recess; 15, transmission roller; 16, transmission belt; 17, cylindrical cavity; 18, round hole one; 19, round hole two; 20, round block; 21, round rod; 22, U-shaped pull handle; 23, wedge block; 24, communication pipe; 25, spring two; 26, block; 27, positioning port; 28, baffle; 29, sealing gasket; 30, L-shaped clamping plate; 31, filter screen; 32, rubber pad; 33, universal wheel; 34, glass window; 35, handle; 36, buffer air bag; 37, spring three; 38, cavity; 39, piston plate; 40, stop plate. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, and all other embodiments obtained by those skilled in the art without any creative effort based on the drawings are within the protection scope of the present application.

[0044] Please refer to Figures 1 to 6 ​The power distribution room fault early warning device based on power internet of things shown in a specific embodiment comprises: a fault early warning device 1 and a protective box 2, the fault early warning device 1 is located inside the protective box 2, a plurality of supporting legs 3 are fixedly connected to the bottom of the protective box 2, a box door 4 is rotatably connected to the front surface of the protective box 2 through a hinge, a through-type mounting port 5 is formed in the bottom of the protective box 2, a heat dissipation fan 6 is fixedly installed inside the mounting port 5, and a through-type heat dissipation port 7 is formed in the top of the protective box 2.

[0045] L-shaped clamping plates 30 are fixedly connected to the upper surfaces of the protective box 2 on both sides of the heat dissipation port 7, a filter screen 31 is clamped on the inner sides of the two L-shaped clamping plates 30, the filter screen 31 can prevent dust from entering the protective box 2 and is convenient to disassemble and clean, rubber pads 32 are fixedly connected to the inner sides of the L-shaped clamping plates 30, and the friction between the filter screen 31 and the L-shaped clamping plates 30 is increased.

[0046] In the application, universal wheels 33 are fixedly connected to the bottoms of the supporting legs 3, the position of the device as a whole is convenient to move, a glass window 34 is embedded in the front surface of the box door 4, the running state of the fault early warning device 1 in the protective box 2 is convenient to observe, a handle 35 is fixedly connected to the front surface right side of the box door 4, the box door 4 is convenient to hold and then convenient to pull to open or close.

[0047] Sliding grooves 8 are formed in the lower parts of the inner sides of the protective box 2, sliding blocks 9 are slidably connected to the inner sides of the sliding grooves 8, springs 10 are fixedly connected to the inner side lower surfaces of the sliding grooves 8, and the top parts of the springs 10 are in contact with the bottom parts of the sliding blocks 9.

[0048] A disengagement groove 11 is integrally formed in the front surface of the sliding groove 8, the front surface of the disengagement groove 11 penetrates the front surface of the protective box 2, a clamping frame 12 is fixedly connected to the opposite sides of the two sliding blocks 9, a base 13 is arranged on the inner side of the clamping frame 12, and the top part of the base 13 is fixedly connected to the bottom part of the fault early warning device 1.

[0049] Grooves 14 are formed in the upper parts of the inner sides of the protective box 2, a plurality of transmission rollers 15 are rotatably connected to the interiors of the grooves 14, a transmission belt 16 is in common transmission connection with the outer side walls of the plurality of transmission rollers 15 on the same side, and the opposite sides of the two transmission belts 16 are respectively in contact with the two sides of the fault early warning device 1.

[0050] The application can protect the fault early warning device 1 through the protection box 2, the supporting legs 3 and the box door 4, can have a heat dissipation effect on the fault early warning device 1 through the installation opening 5, the heat dissipation fan 6 and the heat dissipation opening 7, and when the fault early warning device 1 is installed into the inside of the clamping frame 12 through the base 13 at the bottom, the sliding groove 8, the sliding block 9, the spring one 10, the clamping frame 12, the recess 14, the transmission roller 15 and the transmission belt 16 can have a buffering effect, reduce the collision between the fault early warning device 1 and the clamping frame 12 during installation, and the clamping frame 12 is convenient to detach from the inside of the protection box 2 through the sliding block 9 from the escape groove 11.

[0051] The inside of the protection box 2 in the application is provided with a cylindrical cavity 17 at the opposite sides of the two recesses 14, the opposite sides of the two cylindrical cavities 17 are provided with through-type round holes one 18, the opposite sides of the two cylindrical cavities 17 are provided with through-type round holes two 19, and the inside of the cylindrical cavity 17 is movably connected with a round block 20.

[0052] The opposite sides of the two round blocks 20 are fixedly connected with round rods 21, the opposite ends of the two round rods 21 pass through the two round holes one 18 respectively and are fixedly connected with U-shaped pull handles 22, the opposite sides of the two round blocks 20 are fixedly connected with wedge-shaped blocks 23, the two wedge-shaped blocks 23 pass through the two round holes two 19 respectively and are located in front of the two transmission belts 16.

[0053] The opposite sides of the two cylindrical cavities 17 are fixedly connected with springs two 25 at the outside of the two round rods 21, the opposite ends of the two springs two 25 are in close contact with the opposite sides of the two round blocks 20, and the front surface of the transmission belt 16 is fixedly connected with a plurality of blocking blocks 26.

[0054] The two sides of the protection box 2 are fixedly connected with positioning openings 27 in an up-down symmetrical manner, the two ends of the U-shaped pull handle 22 are clamped in the inside of the two positioning openings 27 opposite to each other, the opposite sides of the transmission belt 16 are fixedly connected with baffles 28, and the lower surface of the baffle 28 is in close contact with the upper surface of the fault early warning device 1.

[0055] When the inclined surface of the wedge block 23 is downward, the transmission belt 16 is affected by the blocking block 26 and can only rotate clockwise. This allows the transmission fault warning device 1 to move downward for installation. In this situation, since the transmission belt 16 cannot rotate counterclockwise and is blocked by the baffle 28, the fault warning device 1 is more stable after installation and is not easy to move upward. When the inclined surface of the wedge block 23 is upward, the transmission belt 16 is affected by the blocking block 26 and can only rotate counterclockwise. This allows the transmission fault warning device 1 to move upward for disassembly.

[0056] In an embodiment of the present invention, a sealing gasket 29 is fixedly connected to the inner side of the positioning port 27, and the U-shaped pull handle 22 is more stable after being inserted into the positioning port 27.

[0057] A buffer airbag 36 is fixedly connected to the upper surface of the card frame 12. Multiple springs 37 are fixedly connected inside the buffer airbag 36. Multiple cavities 38 are opened inside the card frame 12. A piston plate 39 is slidably connected to the inner side of the cavity 38. A stop plate 40 is fixedly connected to the side of the multiple piston plates 39 near the center of the card frame 12. The side of the stop plate 40 away from the piston plate 39 passes through the opposite side of the cavity 38 and extends to the inner side of the card frame 12. A connecting pipe 24 is fixedly connected to the bottom of the buffer airbag 36. The bottom ends of the multiple connecting pipes 24 all pass through the upper surface of the card frame 12 and are connected to the interior of the multiple cavities 38 respectively.

[0058] The present invention, through the setting of the connecting pipe 24, the buffer airbag 36, the spring 37, the cavity 38, the piston plate 39 and the abutment plate 40, allows the fault warning device 1 to be installed inside the frame 12 via the bottom base 13. The fault warning device 1 uses its own weight to compress the buffer airbag 36, causing the spring 37 to be compressed, thereby achieving a certain buffering effect and avoiding damage caused by excessive falling speed when the fault warning device 1 is placed.

[0059] The gas inside the buffer airbag 36 will be discharged into the multi-cavity 38 through the connecting pipe 24, which will push the piston plate 39 to move, thereby causing the abutment plate 40 to abut against the outside of the base 13, ensuring that the fault warning device 1 is more stable when it is locked into the inside of the frame 12 through the base 13.

[0060] The application further provides a power distribution room fault early warning system based on the power internet of things, which comprises a power distribution line data acquisition module, a power distribution line fracture analysis module, a power distribution room fault early warning device and an internet of things cloud control module; the power distribution line data acquisition module is used for acquiring data flowing through the nodes on the power distribution line and comparing the data; the power distribution line fracture analysis module is used for analyzing the state of the power distribution line through a video monitoring terminal, and according to the state of the power distribution line, assigning staff to maintain the power distribution line; the power distribution room fault early warning device is used for establishing a node influence degree model, determining the fault probability of the nodes on the power distribution line and sorting, and maintaining the fault nodes through the establishment of an optimal maintenance route; and the internet of things cloud control module is used for saving the historical data on the power distribution line, remotely controlling the modules and issuing instructions, and the internet of things cloud control module is connected with the power distribution line data acquisition module, the power distribution line fracture analysis module and the power distribution room fault early warning device.

[0061] The protective box 2, the supporting leg 3 and the box door 4 are arranged, so that the fault early warning device 1 is protected, the mounting port 5, the heat dissipation fan 6 and the heat dissipation port 7 are arranged, so that the fault early warning device 1 is cooled, the sliding groove 8, the sliding block 9, the spring 10, the clamping frame 12, the groove 14, the transmission roller 15 and the transmission belt 16 are arranged, so that when the fault early warning device 1 is installed into the inner side of the clamping frame 12 through the bottom base 13, a buffering effect is achieved, and the collision between the fault early warning device 1 and the clamping frame 12 during installation is reduced, and the clamping frame 12 is arranged with the escape groove 11, so that the sliding block 9 is conveniently escaped from the escape groove 11, and the clamping frame 12 is conveniently disassembled from the inner side of the protective box 2.

[0062] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0063] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connected" and the like should be understood broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0064] The foregoing description of the disclosed embodiments enables one skilled in the art to make or use the application. Numerous modifications of those embodiments can be apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without the use of the innovation falling outside the spirit and scope of the application. Therefore, the application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A power distribution room fault early warning device based on the power Internet of Things, characterized in that, include: Fault warning device (1) and protective box (2); the fault warning device (1) is located inside the protective box (2); sliding grooves (8) are provided on both sides of the lower part of the interior of the protective box (2), and sliding blocks (9) are slidably connected to the inner side of the sliding grooves (8). A spring (10) is fixedly connected to the lower inner surface of the sliding grooves (8), and the top of the spring (10) contacts the bottom of the sliding block (9). An ejection groove (11) is integrally formed above the front surface of the sliding grooves (8), and the front surface of the ejection groove (11) penetrates the front surface of the protective box (2). A frame (12) is fixedly connected to the opposite sides of the sliding block (9). A base (13) is provided on the inner side of the frame (12). The top of the base (13) is fixedly connected to the bottom of the fault warning device (1). Grooves (14) are provided on the upper sides of both sides of the interior of the protective box (2). Multiple transmission rollers (15) are rotatably connected to the interior of the grooves (14) through a rotating shaft. The outer walls of the multiple transmission rollers (15) on the same side are connected to a transmission belt (16). The opposite sides of the two transmission belts (16) are respectively attached to the two sides of the fault warning device (1). The interior of the protective box (2) has cylindrical cavities (17) on the opposite sides of the two grooves (14), and a through-hole (18) is provided on the opposite sides of the two cylindrical cavities (17). Two through-holes (19) are provided on opposite sides of the two cylindrical cavities (17), and a circular block (20) is movably connected to the inner side of the cylindrical cavity (17). Both of the two circular blocks (20) are fixedly connected to the opposite sides by circular rods (21); The opposite ends of the two round rods (21) pass through the two round holes (18) respectively, and are fixedly connected to U-shaped handles (22). The opposite sides of the two round blocks (20) are fixedly connected to wedge blocks (23). The two wedge-shaped blocks (23) pass through the second circular hole (19) respectively and are located in front of the two transmission belts (16); The inner opposite sides of the two cylindrical cavities (17) are fixedly connected to the outer sides of the two round rods (21), and the opposite ends of the two springs (25) are respectively attached to the opposite sides of the two round blocks (20). The front surface of the transmission belt (16) is fixedly connected to a plurality of blocks (26).

2. The power distribution room fault early warning device based on the power Internet of Things as described in claim 1, characterized in that, The protective box (2) has symmetrically fixed positioning ports (27) on both sides. The two ends of the U-shaped handle (22) near the protective box (2) are respectively engaged with the inner sides of the two opposing positioning ports (27). The opposite sides of the transmission belt (16) are fixedly connected with baffles (28). The lower surface of the baffles (28) is in contact with the upper surface of the fault warning device (1). The inner side of the positioning port (27) is fixedly connected with a sealing gasket (29).

3. The power distribution room fault early warning device based on the power Internet of Things as described in claim 1, characterized in that, The bottom of the protective box (2) is fixedly connected to multiple support legs (3), and the front surface of the protective box (2) is rotatably connected to a door (4) via a hinge. The bottom of the protective box (2) is provided with a through-type installation port (5); A cooling fan (6) is fixedly installed on the inside of the mounting port (5). The top of the protective box (2) is provided with a through-type heat dissipation vent (7); The upper surface of the protective box (2) is fixedly connected to L-shaped plates (30) on both sides of the heat dissipation port (7).

4. The power distribution room fault early warning device based on the power Internet of Things according to claim 3, characterized in that, The inner sides of the two L-shaped plates (30) are engaged with a filter screen (31). A rubber pad (32) is fixedly connected to the inner side of the L-shaped card plate (30).

5. The power distribution room fault early warning device based on the power Internet of Things according to claim 3, characterized in that, The bottom of the support leg (3) is fixedly connected to a caster wheel (33).

6. The power distribution room fault early warning device based on the power Internet of Things according to claim 3, characterized in that, The front surface of the box door (4) is fitted with a glass window (34).

7. The power distribution room fault early warning device based on the power Internet of Things according to claim 3, characterized in that, A handle (35) is fixedly connected to the right side of the front surface of the box door (4).

8. The power distribution room fault early warning device based on the power Internet of Things according to claim 3, characterized in that, A buffer airbag (36) is fixedly connected to the upper surface of the card frame (12). A plurality of springs (37) are fixedly connected inside the buffer airbag (36). A plurality of cavities (38) are opened inside the card frame (12). A piston plate (39) is slidably connected to the inner side of the cavity (38). A stop plate (40) is fixedly connected to the side of the piston plate (39) near the center of the card frame (12). The side of the stop plate (40) away from the piston plate (39) penetrates the opposite side of the cavity (38) and extends to the inner side of the card frame (12). A connecting tube (24) is fixedly connected to the bottom of the buffer airbag (36). The bottom ends of the plurality of connecting tubes (24) penetrate the upper surface of the card frame (12) and are respectively connected to the interior of the plurality of cavities (38).

9. A power distribution room fault early warning system based on the power Internet of Things, characterized in that: The system includes: The device employs the power Internet of Things-based power distribution room fault early warning device, power distribution line data acquisition module, power distribution line fracture analysis module, and Internet of Things cloud control module as described in any one of claims 1 to 8. The power distribution line data acquisition module is used to acquire data flowing through the nodes of the power distribution line and to compare the data. The power distribution line fracture analysis module is used to analyze the status of the power distribution line through a video monitoring terminal, and assign personnel to repair the power distribution line according to its status. The power distribution room fault early warning device is used to establish a node impact model, determine and rank the fault probability of nodes on the power distribution line, and repair faulty nodes by establishing the optimal maintenance route. The IoT cloud control module is used to remotely control and issue commands to the power distribution line data acquisition module and the power distribution line fracture analysis module by storing historical data on the power distribution line. The IoT cloud control module is connected to the power distribution line data acquisition module, the power distribution line fracture analysis module and the power distribution room fault early warning device.

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