Diversified grounding fault measurement and control integrated device of grounding transformer

Abstract

The invention discloses a diversified grounding fault measurement and control integrated device of a grounding transformer, and relates to the technical field of grounding fault measurement and control, and the diversified grounding fault measurement and control integrated device comprises a measurement and control protection machine body, one end of the measurement and control protection machine body is hinged with a closed cabinet door, and the measurement and control protection machine body is internally provided with a rainwater heat dissipation cooperation mechanism. The measurement and control protection device is scientific and reasonable in structure and safe and convenient to use, the rainwater heat dissipation matching mechanism is arranged, hot air in the measurement and control protection device body can be replaced conveniently, the ventilation and heat dissipation effects are improved, and in the rainy season, the measurement and control protection device can be used for protecting the measurement and control protection device body. When the rainfall is large, the air inlet channel can be sealed in time, rainwater is prevented from entering, dryness in the measurement and control protection machine body is guaranteed, alternate operation of air cooling and water cooling is achieved, and the pain point that heat exchange can still be achieved under safe sealing is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of ground fault measurement and control, in particular to a diversified ground fault measurement and control integrated device of a ground transformer. BACKGROUND

[0002] The transformer ground fault measurement and control device is a device for ensuring the safe operation of a transformer and avoiding equipment damage or personal injury caused by ground faults, the device can monitor the ground current and voltage of the transformer core in real time, and through data acquisition and analysis, abnormal conditions can be found in time, such as a power substation fault diagnosis technology disclosed in the prior art, application number CN201821925352.8, the patent is designed by a general modularization, and actual monitoring is carried out according to requirements.

[0003] However, in the use process, the ground transformer needs to be tested in the rain, and the voltage or current of different ground transformers is overloaded or abnormal in the test overload or abnormal state, which causes high temperature or even circuit breaking, and safety protection is required, and the ground transformer can be tested under normal operation to obtain the desired test data. SUMMARY

[0004] The application provides a diversified ground fault measurement and control integrated device of a ground transformer, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the application provides the following technical scheme: a diversified ground fault measurement and control integrated device of a ground transformer, comprising a measurement and control protection body, characterized in that a rainwater heat dissipation cooperation mechanism and a safety test maintenance protection mechanism are arranged in the measurement and control protection body, the rainwater heat dissipation cooperation mechanism comprises an air inlet channel;

[0006] Air inlet channels are symmetrically installed at both ends of the measurement and control protection body, a splicing frame is installed at one end of the air inlet channel, a sealing waterproof partition plate is clamped on the inner wall of the splicing frame, a lifting sliding frame is slidably connected to the inner wall of the splicing frame, and a rainwater guide plate is clamped on the inner wall of the lifting sliding frame.

[0007] Rainwater accumulation boxes are installed at both ends of the measurement and control protection body, a load bearing plate is movably connected in the rainwater accumulation box, a rainwater discharge pipe is clamped at the bottom end of the load bearing plate, a reset adjusting plate is sleeved on the outer side of the rainwater discharge pipe, a tension spring is sleeved on the outer side of the top end of the reset adjusting plate, and an electrically connected push rod is clamped at the bottom end of the load bearing plate.

[0008] The safety test maintenance protection mechanism comprises a C-shaped support and a gas storage tank.

[0009] The gas storage tank is clamped to the inside of the measuring and control protection body, one end of the gas storage tank is clamped with an exhaust pipe, and the electromagnetic valve is installed in the exhaust pipe.

[0010] According to the above technical scheme, one end of the measuring and control protection body is hinged with a closed cabinet door.

[0011] The four air inlet channels have a rainwater guide plate with a height greater than that of the waterproof sealing partition plate, the rainwater guide plate and one end of the lifting sliding frame are attached to one end of the waterproof sealing partition plate, the outside of the load supporting plate is attached to the inner wall of the rainwater storage box, the bottom end of the electrically connected push rod penetrates the bottom end of the rainwater storage box, and the electrically connected push rod is powered by an external power source.

[0012] According to the above technical scheme, the filter grid is movably connected inside the air inlet channel, and the filter grid is clamped with a storage mesh pocket at one end.

[0013] The outside of the rainwater discharge pipe movably sleeves a spliced sleeve pipe, the bottom end of the spliced sleeve pipe is clamped with a U-shaped communication pipe, and one end of the U-shaped communication pipe is clamped with a heat exchange pipe at a position corresponding to the inside of the air inlet channel.

[0014] The bottom end of the load supporting plate is clamped with a downward pressing rod, the bottom end of the rainwater storage box is connected with a positioning support through bolts at a position corresponding to the bottom end of the downward pressing rod, the top end of the positioning support is connected with a touch switch through bolts, and the bottom end of the electrically connected push rod is connected with a traction pressing plate through bolts.

[0015] According to the above technical scheme, the dustproof net is clamped to the inner wall of the air inlet channel, the storage mesh pocket is filled with bagged desiccant, the inner wall of the spliced sleeve pipe is attached to the inner wall of the rainwater discharge pipe, the bottom end of the heat exchange pipe penetrates one end of the measuring and control protection body, the bottom end of the downward pressing rod penetrates the bottom end of the rainwater storage box, the touch switch is powered by an external power source, and the bottom end of the traction pressing plate is connected with the top end of the lifting sliding frame.

[0016] According to the above technical scheme, the exhaust fan is installed at the middle position of the inner wall of the closed cabinet door, the output shaft of the exhaust fan is fixedly sleeved with a rotating cam, the closed cabinet door is connected with a deviation preventing frame through bolts at positions corresponding to both sides of the rotating cam, the T-shaped swing rod is movably connected inside the deviation preventing frame, the outer side of the T-shaped swing rod is fixedly sleeved with a positioning sleeve ring, the positioning sleeve ring and the deviation preventing frame are clamped with a return spring at positions corresponding to the outer side of the T-shaped swing rod, the adjacent end of each T-shaped swing rod is clamped with an arc-shaped pad, the opposite end of each T-shaped swing rod is clamped with a spliced extension rod at equal intervals, the other end of the spliced extension rod is clamped with a sealing plug plate, the closed cabinet door is provided with an exhaust hole at positions corresponding to the outer side of the spliced extension rod at both ends, and the inner wall of the closed cabinet door is clamped with a sealing attachment plate at one side.

[0017] According to the above technical scheme, one end of the T-shaped swing rod penetrates one end of the anti-deviation frame, the outer side of the arc-shaped pad block is attached to the outer side of the rotating cam, the diameter of the sealing plug plate is greater than the diameter of the exhaust hole, a communication groove is formed at one end of the sealing plug plate corresponding to the position of one side of the exhaust fan motor, the exhaust fan motor is powered by an external power source, and the input end of the exhaust fan motor is connected to the input end of the touch switch.

[0018] According to the above technical scheme,

[0019] The measurement and control protection body is symmetrically connected with the C-shaped support through bolts, the C-shaped support is symmetrically clamped with the anti-deviation vertical rod inside, and the C-shaped support is clamped with the positioning screw inside between the two anti-deviation vertical rods, the outer side top and bottom positions of the anti-deviation vertical rod are movably sleeved with the clamping sliding plate, the opposite ends of the two clamping sliding plates are rotatably connected with the adjusting rotating drum corresponding to the outer side positions of the positioning screw, and the two clamping sliding plates are clamped with the ground fault measurement and control device therebetween.

[0020] The opposite ends of the two clamping sliding plates are symmetrically clamped with the positioning shaft seat, the inner sides of the two adjacent positioning shaft seats are symmetrically clamped with the receiving shaft sleeve, the inner sides of the receiving shaft sleeve are symmetrically movably connected with the contraction traction rod, the other end of the contraction traction rod is clamped with the traction sliding plate, the outer side positions of the traction sliding plate and the positioning shaft seat corresponding to the contraction traction rod are clamped with the supporting spring, and the top end of the traction sliding plate is clamped with the side positioning plate corresponding to the side position of the clamping sliding plate.

[0021] The other end bottom position of the gas storage tank is clamped with the gas supplement pipe, and the inside of the gas supplement pipe is provided with a one-way air pressure valve, and the middle position of one end of the gas storage tank is provided with a position display window.

[0022] The inside top of the gas storage tank is equidistantly clamped with the telescopic sleeve rod, the bottom end of the telescopic sleeve rod is clamped with the gas extrusion plate, the outer side positions of the gas extrusion plate and the gas storage tank corresponding to the telescopic sleeve rod are clamped with the telescopic spring, and the corner position of one end of the gas storage tank is connected with a temperature control sensor through bolts.

[0023] According to the above technical scheme, the C-shaped support has two, the positioning screw penetrates the top end of the clamping sliding plate, the inner wall of the adjusting rotating drum is connected with the outer side of the positioning screw through threads, the opposite ends of the two clamping sliding plates are pasted with rubber pads, and the ground fault measurement and control device is powered by an external power source.

[0024] According to the above technical scheme, the top end of the traction sliding plate is attached to one end of the clamping sliding plate, the inside of the clamping sliding plate is equidistantly provided with a sliding groove, one end of the traction sliding plate is connected with one end of the side positioning plate through the sliding groove, and the opposite ends of the two side positioning plates are pasted with rubber plates.

[0025] According to the technical scheme, the gas storage tank is filled with carbon dioxide fire extinguishing gas, the gas extrusion plate is attached to the inner wall of the gas storage tank, the temperature control sensor and the electromagnetic valve are powered by an external power supply, and the output end of the temperature control sensor is connected to the input ends of the electromagnetic valve, the electrically connected push rod and the air extraction motor.

[0026] Compared with the prior art, the application has the advantages that the structure is scientific and reasonable, and the use is safe and convenient.

[0027] 1. The rainwater heat dissipation cooperation mechanism is provided, in the rainy season, when the rainfall is large, the air inlet channel can be sealed in time to prevent rainwater from entering, ensure the dryness of the measurement and control protection body, reduce the occurrence of electric leakage, improve the adaptability and safety, but still can realize the heat dissipation and ventilation operation, and the two do not affect each other.

[0028] In addition, by using the touch switch, the power supply to the air extraction motor is cut off, the liquid cooling operation is switched, the sealing of the exhaust hole is maintained, the rainwater is prevented from entering the measurement and control protection body, the dryness inside the measurement and control protection body is further improved, the accumulated water flows through the measurement and control protection body through the heat exchange pipe, the heat dissipation effect is ensured, and the energy utilization rate is improved.

[0029] And they cooperate with each other to realize the alternating operation of air cooling and water cooling, and realize the pain point that heat exchange can still be realized under safe sealing.

[0030] 2. The safety test and maintenance protection mechanism is provided, different types of grounding fault measurement and control devices are clamped and installed, the convenience is improved, the grounding fault measurement and control device is convenient for grounding fault detection of the transformer, the temperature of the grounding fault measurement and control device in the measurement and control protection body is ensured, the shaking is reduced, and in addition, the grounding fault measurement and control device is convenient for disassembly and maintenance, and the convenience is improved.

[0031] The carbon dioxide fire extinguishing gas is stored in the gas storage tank, and energy is stored, so that when a fire occurs in the measurement and control protection body and the temperature rises rapidly, the temperature control sensor opens the electromagnetic valve to discharge the carbon dioxide fire extinguishing gas into the measurement and control protection body, reduces the oxygen in the measurement and control protection body, prevents the spread of fire, and reduces damage.

[0032] At the same time, the temperature control sensor controls the electrically connected push rod and the air extraction motor to ensure the sealing of the air inlet channel and the exhaust port, improve the sealing performance of the measurement and control protection body, facilitate the accumulation of carbon dioxide fire extinguishing gas in the measurement and control protection body, and further improve the fire extinguishing and flame retardant effect.

[0033] Comprehensively, through the rain heat dissipation cooperation mechanism and the safety test maintenance protection mechanism, the convenience of disassembly and assembly of the grounding fault measurement and control device is improved, the regular detection and maintenance are facilitated, the monitoring effect is ensured, when the rainfall is large in the rainy season and the grounding fault measurement and control device needs to work, the rainwater can be prevented from entering and the heat dissipation effect is ensured, the phenomenon of damp and electric leakage is prevented, and when overload, electric leakage and fire occur, the fire can be extinguished in time, and the damage of the device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0034] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application.

[0035] In the drawings:

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

[0037] Figure 2 is a structural schematic view of the present application;

[0038] Figure 3 is a structural schematic view of the rain heat dissipation cooperation mechanism of the present application;

[0039] Figure 4 is a structural schematic view of the present application Figure 3 A region;

[0040] Figure 5 is a structural schematic view of the present application

[0041] Figure 6 is a structural schematic view of the present application

[0042] Figure 7 is a structural schematic view of the present application

[0043] Figure 8 is a structural schematic view of the safety test maintenance protection mechanism of the present application;

[0044] Figure 9 is a structural schematic view of the present application

[0045] In the drawings, 1 is a measurement and control protection mechanism body, 2 is a closed cabinet door.

[0046] 3. Rainwater cooling mechanism; 301. Air inlet channel; 302. Splicing frame; 303. Sealed waterproof partition; 304. Lifting slide frame; 305. Rainwater guide plate; 306. Rainwater collection box; 307. Load-bearing support plate; 308. Rainwater discharge pipe; 309. Reset adjustment plate; 310. Tension spring; 311. Sealing and bonding plate; 312. Electric connecting push rod; 313. Filter grille; 314. Storage net; 315. 316. Splicing sleeve; 317. U-shaped connecting pipe; 318. Heat exchange tube; 319. Downward pressure rod; 320. Positioning bracket; 321. Touch switch; 322. Traction pressure plate; 323. Exhaust fan motor; 324. Rotary cam; 325. Anti-deviation frame; 326. T-shaped swing rod; 327. Positioning collar; 328. Return spring; 329. Arc-shaped pad; 330. Splicing extension rod; 331. Sealing plug plate; 322. Exhaust hole;

[0047] 4. Safety testing, maintenance, and protection mechanisms; 401. C-type bracket; 402. Anti-deviation vertical rod; 403. Positioning screw; 404. Clamping slide plate; 405. Adjusting drum; 406. Grounding fault detector; 407. Positioning shaft seat; 408. Storage sleeve; 409. Retractable traction rod; 410. Traction slide plate; 411. Support spring; 412. Side positioning plate; 413. Gas storage tank; 414. Exhaust pipe; 415. Solenoid valve; 416. Gas replenishment pipe; 417. One-way pressure valve; 418. Position display window; 419. Telescopic sleeve rod; 420. Gas extrusion plate; 421. Telescopic spring; 422. Temperature control sensor. Detailed Implementation

[0048] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0049] Example: Figures 1-9 As shown, the present invention provides a technical solution, a multi-functional grounding fault measurement and control integrated device for grounding transformers, including a measurement and control protection body 1, a closed cabinet door 2 hinged to one end of the measurement and control protection body 1, and a rainwater heat dissipation mechanism 3 provided inside the measurement and control protection body 1, the rainwater heat dissipation mechanism 3 including an air inlet channel 301;

[0050] The monitoring and protection unit 1 has air inlet channels 301 symmetrically installed at both ends. A splicing frame 302 is installed at one end of the air inlet channel 301. A sealing waterproof partition 303 is snapped into the inner wall of the splicing frame 302. A lifting slide frame 304 is slidably connected to the inner wall of the splicing frame 302. A rainwater guide plate 305 is snapped into the inner wall of the lifting slide frame 304.

[0051] Both ends of the monitoring and protection unit 1 are equipped with rainwater storage boxes 306. Inside the rainwater storage box 306, a load-bearing support plate 307 is movably connected. The bottom end of the load-bearing support plate 307 is snapped with a rainwater discharge pipe 308. A reset adjustment plate 309 is sleeved on the outside of the rainwater discharge pipe 308. A tension spring 310 is sleeved on the top of the reset adjustment plate 309 corresponding to the outside of the rainwater discharge pipe 308. An electric connecting push rod 312 is snapped on the bottom end of the load-bearing support plate 307.

[0052] In order to automatically block the air intake channel 301 during rainfall, there are four air intake channels 301. The height of the rainwater guide plate 305 is greater than the height of the sealing waterproof partition 303. One end of the rainwater guide plate 305 and the lifting slide frame 304 are attached to one end of the sealing waterproof partition 303. The outer side of the load-bearing support plate 307 is attached to the inner wall of the rainwater collection box 306. The bottom end of the electric connecting push rod 312 passes through the bottom end of the rainwater collection box 306. The electric connecting push rod 312 is powered by an external power source.

[0053] The air inlet duct 301 is movably connected to a filter grille 313, and a storage net 314 is equidistantly attached to one end of the filter grille 313.

[0054] A splicing sleeve 315 is movably sleeved on the outside of the rainwater discharge pipe 308. A U-shaped connecting pipe 316 is snapped onto the bottom end of the splicing sleeve 315. A heat exchange tube 317 is snapped onto one end of the U-shaped connecting pipe 316 at equal intervals on the inner side of the air inlet channel 301.

[0055] The bottom end of the load-bearing plate 307 is snapped with a downward pressure rod 318. The bottom end of the rainwater storage box 306 is connected to the positioning bracket 319 by bolts at the bottom position of the downward pressure rod 318. The top end of the positioning bracket 319 is connected to the touch switch 320 by bolts. The bottom end of the electric connecting push rod 312 is connected to the traction pressure plate 321 by bolts. In order to prevent rainwater from entering the device, the inner wall of the air inlet channel 301 is snapped with a dustproof net. The storage net bag 314 is filled with bagged desiccant. The inner wall of the splicing sleeve 315 is attached to the inner wall of the rainwater discharge pipe 308. The bottom end of the heat exchange tube 317 passes through one end of the measurement and control protection body 1. The bottom end of the downward pressure rod 318 passes through the bottom end of the rainwater storage box 306. The touch switch 320 is powered by an external power source. The bottom end of the traction pressure plate 321 is connected to the top end of the lifting slide frame 304.

[0056] A suction motor 322 is mounted at the middle of the inner wall of the closed cabinet door 2, a rotating cam 323 is fixedly sleeved on the output shaft of the suction motor 322, anti-deviation frames 324 are connected at both sides of one end of the closed cabinet door 2 corresponding to the rotating cam 323 through bolts, T-shaped swing rods 325 are movably connected in the anti-deviation frames 324, positioning sleeve rings 326 are fixedly sleeved on the outer sides of the T-shaped swing rods 325, reset springs 327 are clamped at positions on the outer sides of the T-shaped swing rods 325 between the positioning sleeve rings 326 and the anti-deviation frames 324, arc-shaped pad blocks 328 are clamped at one end of each of the two T-shaped swing rods 325 adjacent to each other;

[0057] The other ends of the two T-shaped swing rods 325 are equidistantly clamped with spliced extension rods 329, sealing plug plates 330 are clamped at the other ends of the spliced extension rods 329, exhaust holes 331 are formed at positions on the outer sides of both ends of the closed cabinet door 2 corresponding to the spliced extension rods 329, and a sealing abutting plate 311 is clamped at a position on one side of the inner wall of the closed cabinet door 2. In order to facilitate the exhaust of hot air, one end of the T-shaped swing rod 325 penetrates one end of the anti-deviation frame 324, the outer side of the arc-shaped pad block 328 is abutted with the outer side of the rotating cam 323, the diameter of the sealing plug plate 330 is greater than the diameter of the exhaust hole 331, a communication groove is formed at a position on one end of the sealing abutting plate 311 corresponding to one side of the suction motor 322, the suction motor 322 is powered by an external power supply, and the input end of the suction motor 322 is connected with the input end of the touch switch 320.

[0058] The safety test and maintenance protection mechanism 4 is arranged in the measurement and control protection body 1, and the safety test and maintenance protection mechanism 4 comprises a C-shaped support 401.

[0059] The measurement and control protection body 1 is symmetrically connected with the C-shaped support 401 through bolts, the C-shaped support 401 is symmetrically clamped with anti-deviation vertical rods 402, and the C-shaped support 401 is clamped with a positioning screw 403 between the two anti-deviation vertical rods 402, clamping sliding plates 404 are movably sleeved at the top and bottom positions on the outer side of the anti-deviation vertical rod 402, adjusting rotating cylinders 405 are rotatably connected at positions on the outer side of the positioning screw 403 corresponding to the opposite ends of the two clamping sliding plates 404, and a grounding fault measurement and control device 406 is clamped between the two clamping sliding plates 404. In order to facilitate disassembly and assembly, the C-shaped support 401 has two, the positioning screw 403 penetrates the top end of the clamping sliding plate 404, the inner wall of the adjusting rotating cylinder 405 is connected with the outer side of the positioning screw 403 through threads, rubber pads are attached to the adjacent ends of the two clamping sliding plates 404, and the grounding fault measurement and control device 406 is powered by an external power supply.

[0060] Two clamping sliding plates 404 are symmetrically clamped with positioning shaft seats 407 at opposite ends, the inside of two adjacent positioning shaft seats 407 is symmetrically clamped with receiving shaft sleeves 408, the inside of the receiving shaft sleeves 408 is symmetrically movably connected with contraction traction rods 409 at both ends, the other end of the contraction traction rods 409 is clamped with traction sliding plates 410, and the traction sliding plates 410 and the positioning shaft seats 407 are clamped with supporting springs 411 at positions corresponding to the outside of the contraction traction rods 409, the top end of the traction sliding plates 410 is clamped with side positioning plates 412 at positions corresponding to one side of the clamping sliding plates 404, in order to clamp and limit the ground fault measurement and control device 406, the top end of the traction sliding plates 410 is in close contact with one end of the clamping sliding plates 404, the inside of the clamping sliding plates 404 is equally provided with sliding grooves, one end of the traction sliding plates 410 is connected with one end of the side positioning plates 412 through the sliding grooves, and the two side positioning plates 412 are pasted with rubber plates at adjacent ends;

[0061] The inside of the measurement and control protection body 1 is clamped with a gas storage tank 413, the bottom of one end of the gas storage tank 413 is clamped with an exhaust pipe 414, the inside of the exhaust pipe 414 is provided with an electromagnetic valve 415, the bottom of the other end of the gas storage tank 413 is clamped with a gas supplement pipe 416, and the inside of the gas supplement pipe 416 is provided with a one-way air pressure valve 417, and the middle of one end of the gas storage tank 413 is provided with a position display window 418;

[0062] The inside of the gas storage tank 413 is equally clamped with telescopic sleeve rods 419 at the top end, the bottom end of the telescopic sleeve rods 419 is clamped with a gas extrusion plate 420, and the gas extrusion plate 420 and the gas storage tank 413 are clamped with telescopic springs 421 at positions corresponding to the outside of the telescopic sleeve rods 419, the corner position of one end of the gas storage tank 413 is connected with a temperature control sensor 422 through bolts, in order to facilitate the prevention of fire spread, the inside of the gas storage tank 413 is filled with carbon dioxide fire extinguishing gas, the outside of the gas extrusion plate 420 is in close contact with the inner wall of the gas storage tank 413, and the temperature control sensor 422 and the electromagnetic valve 415 are both powered by an external power supply, and the output end of the temperature control sensor 422 is connected with the input end of the electromagnetic valve 415, the electrically connected push rod 312 and the exhaust fan 322.

[0063] The working principle and use process of the application are as follows: first, rotate the adjusting rotating cylinder 405 to push the clamping sliding plate 404 to ascend along the positioning screw 403, change the distance between the two clamping sliding plates 404, facilitate clamping and limiting the ground fault measurement and control device 406, at the same time, utilize the limiting of the anti-deviation vertical rod 402 to prevent deviation and ensure the clamping effect, improve the temperature resistance of the ground fault measurement and control device 406 in the inside of the measurement and control protection body 1, facilitate the ground fault measurement and control device 406 to realize real-time measurement and control of system voltage, ground voltage and insulation resistance through current mutation, waveform analysis and intelligent processing technology, detect abnormal current and voltage change to identify ground fault;

[0064] Furthermore, by the telescopic property of the supporting spring 411, the traction slide plate 410 is pushed to move and the traction rod 409 is retracted to slide inside the receiving sleeve 408, changing the distance between the two side positioning plates 412, facilitating the positioning of the ground fault measuring and control device 406 of different widths, further improving the stability of the ground fault measuring and control device 406 and reducing the shaking. When the measuring and control protection body 1 collides, the shaking is reduced. When disassembled, the reverse rotation of the adjusting drum 405 brings the clamping slide plate 404 to slide along the outside of the anti-deviation vertical rod 402, releasing the clamping of the ground fault measuring and control device 406, facilitating disassembly and providing convenience for subsequent maintenance;

[0065] Then, the gas storage tank 413 is injected with carbon dioxide extinguishing gas through the gas supplement pipe 416, and as the carbon dioxide extinguishing gas accumulates inside the gas storage tank 413, the gas extrusion plate 420 is pushed to rise, forcing the telescopic spring 421 and the telescopic sleeve rod 419 to retract, thereby storing energy. After the storage of carbon dioxide extinguishing gas is completed, the one-way air pressure valve 417 and the electromagnetic valve 415 cooperate to facilitate the long-term storage of carbon dioxide extinguishing gas inside the gas storage tank 413, and the position display window 418 is used to observe the position of the gas extrusion plate 420 inside the gas storage tank 413 during maintenance, directly showing the capacity of carbon dioxide extinguishing gas, and facilitating replenishment;

[0066] In the normal operation detection of the grounding transformer, the exhaust fan 322 is started to rotate to generate wind, which draws the hot air inside the measuring and control protection body 1 into the closed cabinet door 2, forming a negative pressure inside the measuring and control protection body 1, facilitating the entry of cold air from the outside through the air inlet channel 301 into the measuring and control protection body 1, replacing the air inside, reducing the temperature inside the measuring and control protection body 1, and improving the heat dissipation effect. During the rotation of the exhaust fan 322, the rotating cam 323 is driven to rotate, and through the cooperation of the arc-shaped pad 328, the T-shaped swing rod 325, the spliced extension rod 329, and the sealing plug plate 330 are pushed to slide back and forth along the anti-deviation frame 324, intermittently unsealing the exhaust hole 331, facilitating the exhaust of the hot air drawn out through the exhaust hole 331, and enhancing the ventilation and heat dissipation effect;

[0067] During the entry of external gas, the bagged desiccant inside the placing net bag 314 absorbs the moisture in the air, reducing the humidity inside the measuring and control protection body 1, ensuring dryness, slowing down the corrosion of internal devices, and improving the service life;

[0068] Then, when it rains, rain is collected by the rainwater storage box 306, and as the rainwater in the rainwater storage box 306 accumulates, it is discharged through the rainwater discharge pipe 308. When the rainfall is large, the drainage speed of the rainwater discharge pipe 308 is lower than the water collection speed of the rainwater storage box 306, pushing the load supporting plate 307, the rainwater discharge pipe 308, the electrically connected push rod 312 and the traction pressing plate 321 to descend, and then the lifting slide frame 304 and the rainwater guide plate 305 are brought down inside the splicing frame 302, so that the rainwater guide plate 305 and the sealing waterproof partition plate 303 are staggered and attached, thereby adjusting the air inlet channel 301 to prevent rainwater from entering the inside of the measurement and control protection machine body 1 while performing normal ventilation operation. Because in the rainwater experiment, although most of the rainwater is sprayed from the top, it can also be sprayed from the side or splashed, the existing rainproof air inlet cannot meet the operation requirements, and the dryness and safety inside cannot be guaranteed, but through the dynamic adjustment of the weight of the rainwater, the opening of the air inlet channel 301 is adjusted to keep the air volume as stable as possible, ensuring the dryness inside the measurement and control protection machine body 1.

[0069] At the same time, when the maximum amount of rainwater is reached, the load supporting plate 307 is lowered to push the downward top rod 318 down, forcing the bottom end of the downward top rod 318 to contact the touch switch 320 on the positioning bracket 319, thereby turning off the power supply to the exhaust fan motor 322 and stopping the exhaust. And using the cooperation of the positioning sleeve ring 326 and the return spring 327, the T-shaped swing rod 325, the splicing extension rod 329 and the sealing plug plate 330 are reset to seal the exhaust hole 331, further preventing rainwater from entering and ensuring dryness, reducing the humidity inside the measurement and control protection machine body 1.

[0070] Then, the rainwater discharged by the rainwater discharge pipe 308 enters the heat exchange pipe 317 through the cooperation of the splicing sleeve 315 and the U-shaped communication pipe 316, and flows through the measurement and control protection machine body 1 along the heat exchange pipe 317 to exchange heat, thereby reducing the temperature through liquid cooling during the operation of the exhaust fan motor 322.

[0071] When the rainwater in the rainwater storage box 306 is discharged, the return adjusting plate 309, the load supporting plate 307 and the rainwater discharge pipe 308 are pulled up by the contraction of the tension spring 310, and then the traction pressing plate 321, the lifting slide frame 304 and the rainwater guide plate 305 are lifted by the electrically connected push rod 312, thereby unsealing the air inlet channel 301 and restoring the air inlet effect. At the same time, the downward top rod 318 is separated from the touch switch 320, the exhaust fan motor 322 is restored to operation, and the exhaust and heat exchange are re-performed, and through the operation of liquid cooling in the middle, normal operation under the condition of rainwater is realized.

[0072] Finally, when the ground fault detector 406 inside the measurement and control protection body 1 appears damage, open circuit or high temperature even burning, through the temperature control sensor 422 detects the temperature inside the measurement and control protection body 1, when the temperature inside the measurement and control protection body 1 rapidly rises, the temperature control sensor 422 controls the electromagnetic valve 415 to open, so that through the cooperation of the telescopic spring 421, the gas extrusion plate 420 is pushed down, and it is not discharged at one time, so that the carbon dioxide fire extinguishing gas is discharged from the inside of the exhaust pipe 414, the carbon dioxide fire extinguishing gas is filled in the measurement and control protection body 1, the oxygen is reduced, the fire is extinguished in time, the fire spread is prevented, the loss is reduced, at the same time, the temperature control sensor 422 controls the electrically connected push rod 312 to extend, the rainwater guide plate 305 is lowered, the air inlet channel 301 is sealed, and the power supply to the exhaust fan motor 322 is cut off, at the same time, the cooperation of the positioning sleeve ring 326 and the reset spring 327 pushes the T-shaped swing rod 325, the spliced extension rod 329 and the sealing plug plate 330 to reset, the exhaust hole 331 is sealed, the sealing property of the measurement and control protection body 1 is improved, the carbon dioxide fire extinguishing gas is gathered in the measurement and control protection body 1, and the effect of fire extinguishing and flame retardant is further improved.

[0073] Finally, it should be noted that: the above only for the preferred examples of the present application, and not for limiting the present application, although the present application is described in detail with reference to the foregoing examples, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A diversified ground fault measurement and control integrated device of a grounding transformer, comprising a measurement and control protection machine body (1), characterized in that, The measuring and controlling protection body (1) is internally provided with a rainwater heat dissipation cooperation mechanism (3) and a safety test maintenance protection mechanism (4), the rainwater heat dissipation cooperation mechanism (3) comprises an air inlet channel (301); Both ends of the measuring and controlling protection body (1) are symmetrically provided with the air inlet channel (301), one end of the air inlet channel (301) is provided with a splicing frame (302), the inner wall of the splicing frame (302) is clamped with a sealing waterproof partition plate (303), and the inner wall of the splicing frame (302) is slidably connected with a lifting sliding frame (304), the inner wall of the lifting sliding frame (304) is clamped with a rainwater guide plate (305); Both ends of the measuring and controlling protection body (1) are symmetrically provided with the air inlet channel (301), one end of the air inlet channel (301) is provided with a splicing frame (302), the inner wall of the splicing frame (302) is clamped with a sealing waterproof partition plate (303), and the inner wall of the splicing frame (302) is slidably connected with a lifting sliding frame (304), the inner wall of the lifting sliding frame (304) is clamped with a rainwater guide plate (305); The safety test maintenance protection mechanism (4) comprises a C-shaped support (401) and a gas storage tank (413); The measuring and controlling protection body (1) is internally provided with a gas storage tank (413), one end of the gas storage tank (413) is clamped with an exhaust pipe (414), and the exhaust pipe (414) is internally provided with a solenoid valve (415).

2. The integrated device for measuring and controlling the grounding fault of the grounding transformer according to claim 1, characterized in that: One end of the measuring and controlling protection body (1) is hingedly connected with a closed cabinet door (2); There are four air inlet channels (301) in total, the height of the rainwater guide plate (305) is greater than that of the sealing waterproof partition plate (303), one end of the rainwater guide plate (305) and the lifting sliding frame (304) is in close contact with one end of the sealing waterproof partition plate (303), the outer side of the bearing supporting plate (307) is in close contact with the inner wall of the rainwater accumulation box (306), the bottom end of the electrically connected push rod (312) penetrates through the bottom end of the rainwater accumulation box (306), and the electrically connected push rod (312) is powered by an external power supply.

3. The integrated device for measuring and controlling the grounding fault of the grounding transformer according to claim 1, characterized in that: The air inlet channel (301) is movably connected with a filter grid (313), and one end of the filter grid (313) is equidistantly clamped with a storage mesh bag (314); The outer side of the rainwater discharge pipe (308) is movably sleeved with a splicing sleeve pipe (315), the bottom end of the splicing sleeve pipe (315) is clamped with a U-shaped communication pipe (316), and one end of the U-shaped communication pipe (316) is equidistantly clamped with a heat exchange pipe (317) corresponding to the inner side position of the air inlet channel (301); The bottom end of the bearing supporting plate (307) is clamped with a downward pressing rod (318), the bottom end of the rainwater accumulation box (306) is connected with a positioning support (319) through bolts corresponding to the bottom position of the downward pressing rod (318), the top end of the positioning support (319) is connected with a touch switch (320) through bolts, and the bottom end of the electrically connected push rod (312) is connected with a traction pressing plate (321) through bolts.

4. The integrated device for measuring and controlling the grounding fault of the grounding transformer according to claim 3, characterized in that: The dustproof net is clamped in the inner wall of the air inlet channel (301), the bagged desiccant is filled in the inner part of the storage mesh bag (314), the inner wall of the spliced sleeve (315) is attached to the inner wall of the rainwater discharge pipe (308), the bottom end of the heat exchange pipe (317) penetrates one end of the measurement and control protection body (1), the bottom end of the downward top rod (318) penetrates the bottom end of the rainwater storage box (306), the touch switch (320) is powered by an external power supply, and the bottom end of the traction pressing plate (321) is connected with the top end of the lifting sliding frame (304).

5. The integrated device for measuring and controlling the grounding fault of the grounding transformer according to claim 1, characterized in that: The air exhaust motor (322) is installed at the middle position of the inner wall of the closed cabinet door (2), a rotating cam (323) is fixedly sleeved on the outer side of the output shaft of the air exhaust motor (322), anti-deviation frames (324) are connected on both sides of the rotating cam (323) at one end of the closed cabinet door (2) through bolts, T-shaped swing rods (325) are movably connected in the anti-deviation frames (324), positioning sleeve rings (326) are fixedly sleeved on the outer sides of the T-shaped swing rods (325), reset springs (327) are clamped at positions corresponding to the outer sides of the T-shaped swing rods (325) between the positioning sleeve rings (326) and the anti-deviation frames (324), arc-shaped pad blocks (328) are clamped at adjacent ends of the two T-shaped swing rods (325), spliced extension rods (329) are equidistantly clamped at opposite ends of the two T-shaped swing rods (325), and sealing plug plates (330) are clamped at the other ends of the spliced extension rods (329). The closed cabinet door (2) is provided with exhaust holes (331) at positions corresponding to the outer sides of the spliced extension rods (329) at both ends thereof, and a sealing fit plate (311) is clamped at a position on one side of the inner wall of the closed cabinet door (2).

6. The integrated device for measuring and controlling the grounding fault of the grounding transformer according to claim 5, characterized in that: One end of the T-shaped swing rod (325) penetrates one end of the anti-deviation frame (324), the outer side of the arc-shaped pad block (328) is attached to the outer side of the rotating cam (323), the diameter of the sealing plug plate (330) is greater than the diameter of the exhaust hole (331), a communication groove is formed at a position corresponding to one side of the air exhaust motor (322) at one end of the sealing fit plate (311), the air exhaust motor (322) is powered by an external power supply, and the input end of the air exhaust motor (322) is connected with the input end of the touch switch (320).

7. The diversified grounding fault measurement and control integrated device of the grounding transformer according to claim 1, wherein: The measurement and control protection body (1) is symmetrically connected with C-shaped supports (401) through bolts, anti-deviation vertical rods (402) are symmetrically clamped in the C-shaped supports (401), and positioning screws (403) are clamped between the two anti-deviation vertical rods (402) in the C-shaped supports (401), clamping sliding plates (404) are movably sleeved at the top and bottom positions on the outer sides of the anti-deviation vertical rods (402), adjusting rotating cylinders (405) are rotatably connected at positions corresponding to the outer sides of the positioning screws (403) at opposite ends of the two clamping sliding plates (404), and a grounding fault measurement and control device (406) is clamped between the two clamping sliding plates (404). Two said clamping slide plates (404) opposite ends are symmetrically clamped with positioning shaft seat (407), two adjacent said positioning shaft seat (407) inside are symmetrically clamped with receiving shaft sleeve (408), the inside two ends of receiving shaft sleeve (408) are symmetrically movably connected with shrink traction rod (409), the other end of shrink traction rod (409) is clamped with traction slide plate (410), and the corresponding shrink traction rod (409) outside position between traction slide plate (410) and positioning shaft seat (407) is clamped with support spring (411), the top of traction slide plate (410) is clamped with side positioning plate (412) corresponding to one side of clamping slide plate (404). The other end of the gas storage tank (413) is clamped with a gas supplement pipe (416), and a one-way air pressure valve (417) is installed in the gas supplement pipe (416), and a position display window (418) is installed at the middle position of one end of the gas storage tank (413). The inside top of the gas storage tank (413) is clamped with a telescopic sleeve rod (419), the bottom of the telescopic sleeve rod (419) is clamped with a gas extrusion plate (420), and the corresponding telescopic sleeve rod (419) outside position between the gas extrusion plate (420) and the gas storage tank (413) is clamped with a telescopic spring (421), and a temperature control sensor (422) is connected by bolts at the corner position of one end of the gas storage tank (413).

8. The integrated device for measuring and controlling a ground fault of a grounding transformer according to claim 7, characterized in that: The C-shaped support (401) has two, the positioning screw (403) penetrates the top of the clamping slide plate (404), the inner wall of the adjusting rotating cylinder (405) is connected with the outer side of the positioning screw (403) by threads, the adjacent end of the two clamping slide plates (404) is pasted with rubber pads, and the grounding fault measurement and control device (406) is powered by an external power supply.

9. The integrated device for measuring and controlling the grounding fault of the grounding transformer according to claim 7, characterized in that: The top of the traction slide plate (410) is attached to one end of the clamping slide plate (404), the clamping slide plate (404) is symmetrically clamped with a telescopic sleeve rod (419), the bottom of the telescopic sleeve rod (419) is clamped with a gas extrusion plate (420), and the corresponding telescopic sleeve rod (419) outside position between the gas extrusion plate (420) and the gas storage tank (413) is clamped with a telescopic spring (421), and a temperature control sensor (422) is connected by bolts at the corner position of one end of the gas storage tank (413).

10. The integrated device for measuring and controlling a ground fault of a grounding transformer according to claim 7, characterized in that: The inside of the gas storage tank (413) is filled with carbon dioxide fire extinguishing gas, the outside of the gas extrusion plate (420) is attached to the inner wall of the gas storage tank (413), the temperature control sensor (422) and the electromagnetic valve (415) are powered by an external power supply, and the output end of the temperature control sensor (422) is connected with the input end of the electromagnetic valve (415), the electrically connected push rod (312) and the exhaust fan motor (322).

Images