CN115473126A - Insulation support structure for 252kV high-voltage switch bus and use method thereof - Google Patents
Insulation support structure for 252kV high-voltage switch bus and use method thereof Download PDFInfo
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- CN115473126A CN115473126A CN202210874662.6A CN202210874662A CN115473126A CN 115473126 A CN115473126 A CN 115473126A CN 202210874662 A CN202210874662 A CN 202210874662A CN 115473126 A CN115473126 A CN 115473126A
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- inner cavity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/02—Open installations
- H02G5/025—Supporting structures
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Abstract
The invention discloses an insulating support structure for a 252kV high-voltage switch bus and a use method thereof, wherein the insulating support structure comprises a cabinet body, a cabinet door is arranged on the front side of the cabinet body, a plurality of hinges are arranged on the left side of the cabinet door, and the cabinet door is movably connected with the cabinet body through the plurality of hinges.
Description
Technical Field
The invention relates to the technical field of high-voltage switch cabinets, in particular to an insulating support structure for a 252kV high-voltage switch bus and a using method thereof.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like. High-voltage isolating switch, grounding switch, high-voltage load switch, high-voltage automatic reclosing and sectionalizing device, high-voltage operating mechanism, high-voltage explosion-proof distribution device and high-voltage switch cabinet.
The current 252kV high tension switchgear that is used for, lack the insulation support structure to the generating line when using, thereby be difficult to keep insulating nature and space separation with independent generating line and distribution/control circuit's circuit, be difficult to guarantee the safety of distribution/control circuit in the switch board, in addition, current high tension switchgear, when the heat dissipation, take out into cabinet body inner chamber with external moist air easily, thereby aggravated the inside moisture of cubical switchboard, cause electrical components's damage of weing easily.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an insulating support structure for a 252kV high-voltage switch bus and a using method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an insulating support structure for 252kV high tension switchgear generating line and application method thereof, includes the cabinet body, the front side of the cabinet body is equipped with the cabinet door, just the left side of cabinet door is equipped with a plurality of hinge, the cabinet door passes through a plurality of hinge and cabinet body swing joint, the front side of cabinet door is close to right side department fixedly connected with handle, the bottom of the cabinet body is close to the equal fixedly connected with landing leg in four corners department, the inner chamber rear side of the cabinet body is close to top department fixedly connected with device mounting panel, the right side of the cabinet body is close to top department and has seted up the vent, just vent inner chamber right side fixedly connected with dust screen, the left side of the cabinet body is close to top department fixedly connected with casing, the bottom of casing has seted up the air intake, just air intake inner chamber fixedly connected with filter screen, the bottom of filter screen is equipped with clearance mechanism, the inner chamber of casing is close to bottom department fixedly connected with cooler, just the inner chamber intermediate position department fixedly connected with dehumidifier of casing, the inner chamber department fixedly connected with fan is close to top department, the top of casing is pegged graft and has the air inlet pipe at the top of casing, and the other end of air inlet pipe is pegged graft in the top left side of the cabinet body, the bottom of the cabinet body is run through and is equipped with a plurality of the fixed section of tubes, just the fixed section of tubes, fixed section of tubes's top is equipped with insulation sleeve, the insulation is equipped with the insulation sleeve, the bottom of insulation sleeve, the insulation of insulation is equipped with the insulation of insulation, the insulation is equipped with the insulation sleeve, the bottom of insulation of the fixed section of insulation is equipped with the third insulation sleeve, the outside the cabinet body, the fixed section of insulation sleeve, the cabinet body, the insulation sleeve, the cabinet body.
Preferably, the front side of cabinet door is close to top department and installs the face identification camera, the rear side of cabinet door is close to right side department fixedly connected with connecting plate, just the locating hole has been seted up on the connecting plate, the inner chamber right side wall fixedly connected with electric telescopic handle of the cabinet body, just electric telescopic handle's power end runs through the locating hole to extend to the left side of connecting plate.
Preferably, a thread groove is formed in the bottom end of each supporting leg, a screw rod and a plurality of backing plates are fixedly connected to the bottom end of the screw rod in a threaded connection mode in an inner cavity of the thread groove.
Preferably, the clearance mechanism includes the movable plate, just the movable plate is located the bottom of casing, the right side fixedly connected with slider of movable plate, the spout has been seted up in the left side of the cabinet body, just slider swing joint is at the spout inner chamber, the bottom of movable plate is close to right side fixedly connected with riser, just the perforation has been seted up on the riser, the perforation inner chamber runs through and is equipped with T shape pole, just the outside cover of T shape pole is equipped with the spring, both ends respectively with T shape pole and riser fixed connection about the spring, the location blind hole has been seted up on spout inner chamber right side, just the longer one end of T shape pole T shape structure is pegged graft at location blind hole inner chamber, the top of movable plate is close to left side department swing joint and is had the loose axle, just the top fixedly connected with cylinder of loose axle, the blind hole has been seted up on cylindrical top, just square blind hole inner chamber is pegged graft and is had first square pole, the top fixedly connected with a plurality of first square pole brush.
Preferably, a plurality of the top of brush all laminates with the bottom of filter screen each other, and a plurality of the brush uses the top of first square pole to be the circular array form and arranges as the centre of a circle.
Preferably, a driven gear is sleeved on the outer side of the cylinder, a transmission gear is meshed on the right side of the driven gear, a square hole circular tube penetrates through the center of the transmission gear, the bottom end of the square hole circular tube is movably connected with the top of the movable plate, a second square rod matched with the square hole circular tube is inserted into the top end of the inner cavity of the square hole circular tube, a transmission shaft is fixedly connected to the top end of the second square rod, a transverse plate is movably connected to the top end of the transmission shaft, the right side of the transverse plate is fixedly connected with the left side of the cabinet body, a driven bevel gear is sleeved on the outer side of the second square rod, a transmission bevel gear is meshed on the right side of the top of the driven bevel gear, a rotating rod is fixedly connected to the center of the right side of the transmission bevel gear, a through hole is formed in the position, close to the top, of the left side of the cabinet body, and a first bearing is fixedly connected to the left side of the inner cavity of the through hole, the right-hand member of bull stick runs through first bearing inner chamber, extends to the inner chamber of the cabinet body to the first worm wheel of fixedly connected with, the rear side meshing of first worm wheel has first worm, the inner chamber left side of the cabinet body is close to top fixedly connected with backup pad, just fixedly connected with second bearing in the backup pad, the top of first worm runs through the second bearing inner chamber to the passive conical gear of fixedly connected with, just the meshing of the top rear side department of passive conical gear has initiative conical gear, the rear side of initiative conical gear is equipped with the roller bearing, just the lateral wall fixedly connected with a plurality of rotation leaf of roller bearing, both sides run through jointly around on the roller bearing and are equipped with the pivot, just the rear end of pivot and the inner chamber rear side swing joint of the cabinet body, the front end of pivot and the rear side centre of circle department fixed connection of initiative conical gear.
Preferably, a plurality of the equal fixedly connected with temperature sensor in inner chamber left side of a fixed section of thick bamboo, and a plurality of the equal fixedly connected with bee calling organ in left side of a fixed section of thick bamboo.
Preferably, the constraint mechanism comprises a hollow tube, the hollow tube is sleeved outside the insulating sleeve, the top end of the hollow tube is fixedly connected with the bottom of the cabinet body, an annular plate is attached to the inner side wall of the hollow tube, an L-shaped rod is fixedly connected to the left side of the bottom of the annular plate, the L-shaped rod is far away from an end fixedly connected with supporting plate of the annular plate, a threading groove is formed in the right side of the supporting plate, a plurality of first connecting rods and a plurality of first connecting rods are connected to the top end of the annular plate in a hinged mode, and a plurality of second connecting rods and threaded blocks are fixedly connected to the ends of the second connecting rods and movably connected with the inner side wall of the hollow tube.
Preferably, a plurality of the top right side department of solid fixed cylinder all is equipped with second worm wheel, a plurality of the common meshing of rear side of second worm wheel has the second worm, just both ends respectively with the inner chamber left and right sides swing joint of the cabinet body about the second worm, the top of threaded rod and the bottom centre of a circle department fixed connection of adjacent second worm wheel, the outside of second worm is close to left end department cover and is equipped with driven gear, just driven gear's top meshing has the driving gear, centre of a circle department runs through on the driving gear and is equipped with the dwang, just the left end of dwang and the inner chamber left side swing joint of the cabinet body, the hand wheel of right-hand member fixed connection couple of dwang.
A use method of an insulation support structure for a 252kV high-voltage switch bus comprises the following steps:
s1: when the bus is installed in a penetrating mode, firstly, a worker needs to aim a face at a face recognition camera on the front side of a cabinet door, and after the face recognition is passed, an electric telescopic rod is started through a remote control system to drive a power end to contract, so that the power end of the electric telescopic rod is far away from a connecting plate, and the cabinet door can be opened;
s2: after the cabinet door is opened, a worker penetrates the bus into the inner cavity of the fixed cylinder from the plurality of insulating sleeves and extends the bus into the cabinet body, so that the bus is connected with the internal connecting wire, and the bus is placed into the fixed cylinder after connection is completed, so that the plurality of fixed cylinders insulate and separate the bus and form independent chambers;
s3: after the bus is connected, the hand-operated wheel is rotated to drive the rotating rod to rotate, the rotating rod drives the driving gear to rotate, the driving gear rotates to drive the driven gear to rotate, the driven gear rotates to drive the second worm to rotate, the second worm rotates to drive the second worm wheels to rotate, the second worm wheels rotate to drive the adjacent threaded rods to rotate respectively, the threaded rods rotate to drive the threaded blocks to move upwards, the annular plates are driven to move upwards through the limiting rods, the annular plates move upwards to push one ends of the adjacent second connecting rods, which are close to the round balls, to deflect upwards through the first connecting rods, and therefore the round balls are driven to extrude and bind the insulating sleeve;
s4: the plurality of annular plates move upwards and simultaneously drive the plurality of L-shaped rods to move upwards, the L-shaped rods move upwards to drive the supporting plate to move upwards, so that the bus is supported, and the bus is limited by the threading groove;
s5: the temperature of the inner cavity of the fixed cylinder is monitored through the arrangement of a plurality of groups of temperature sensors and the buzzer, and when abnormal high temperature occurs at the wiring position of the bus and the electrical equipment and the temperature exceeds the set value of the temperature sensors, the temperature sensors can start the buzzer to give out sound alarm;
s6: when the switch cabinet starts to work, a cooler, a dehumidifier and a fan are started, the fan pumps outside air into the inner cavity of the shell, dust in the air is filtered through a filter screen, the air is cooled through the cooler, moisture in the air is removed through the dehumidifier, and then the air is fed into the inner cavity of the cabinet body through an air inlet pipe, so that the interior of the cabinet body is cooled and radiated;
s7: the air inlet pipe can blow a plurality of rotating blades to rotate when supplying air to the inner cavity of the cabinet body, the plurality of rotating blades rotate to drive the roller to rotate, the roller rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the first worm to rotate through the meshing between the driving conical gear and the driven conical gear, the first worm rotates to drive the first worm wheel to rotate, the first worm wheel rotates to drive the second square rod to rotate through the meshing between the driving conical gear and the driven conical gear, the second square rod rotates to drive the square hole circular tube to rotate, the square hole circular tube rotates to drive the transmission gear to rotate, the transmission gear rotates to drive the driven gear to rotate, the driven gear rotates to drive the cylinder to rotate, the cylinder rotates to drive the first square rod to rotate, the first square rod rotates to drive a plurality of brushes to rotate, and the plurality of brushes rotate to clean dust attached to the bottom of the filter screen;
s8: when the brush is required to be disassembled and cleaned, the T-shaped rod is pulled to move leftwards, the spring is driven to extend leftwards, meanwhile, the longer end of the T-shaped rod T-shaped structure is separated from the inner cavity of the positioning blind hole, the moving plate is pulled to move downwards, the sliding block slides downwards in the sliding groove inner cavity and conducts limiting guiding to the moving plate, after the sliding block moves to the bottom of the sliding groove inner cavity, the first square rod is pulled to move upwards, the first square rod is separated from the inner cavity of the square blind hole, and the brush is disassembled to be cleaned.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the mutual matching of the fixing cylinder, the insulating sleeve, the hollow tube, the L-shaped rod, the supporting plate, the annular plate, the first connecting rod, the second connecting rod, the ball, the limiting rod, the thread block, the threaded rod, the second worm wheel, the second worm, the rotating rod and the hand-operated wheel, the bus can be subjected to insulating separation and support after penetrating and being installed in the inner cavity of the cabinet body, so that an independent wiring cavity is formed, the effect of keeping the insulation and space separation of the independent bus and a circuit of a power distribution/control loop is achieved, the aim of ensuring the safety of the power distribution/control circuit in the power distribution cabinet is fulfilled, and the safety of the power distribution cabinet is improved;
2. according to the invention, through the mutual matching of the filter screen, the cooler, the dehumidifier, the fan and the air inlet pipe, when the fan blows air to the inner cavity of the cabinet body, the sucked air is firstly filtered, cooled and dehumidified, so that dust, hot air and moist air are prevented from being blown into the switch cabinet, the good heat dissipation effect in the switch cabinet is kept, meanwhile, the dust and moisture are prevented from entering, and thus, electric appliance elements are prevented from being damaged;
3. according to the invention, through the mutual matching among the rolling shaft, the rotating blade, the rotating shaft, the driving conical gear, the driven conical gear, the first worm wheel, the driving conical gear, the driven conical gear, the second square rod, the transmission shaft, the square hole circular tube, the transmission gear, the driven gear, the cylinder and the first square rod, the air inlet pipe is used for exhausting air and simultaneously driving the plurality of brushes to rotate, and the bottom of the filter screen is cleaned, so that the air inlet efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top cross-sectional view of a cabinet of components of the present invention;
FIG. 3 is a front view of a cabinet of components of the present invention;
FIG. 4 is a top view of a component carrier of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 1;
FIG. 6 is an enlarged view at B in FIG. 1;
FIG. 7 is an enlarged view at C of FIG. 1;
fig. 8 is an enlarged view of fig. 2 at D.
Reference numbers in the figures: 1. a cabinet body; 2. a cabinet door; 3. a face recognition camera; 4. a support leg; 5. a backing plate; 6. a device mounting plate; 7. a fixed cylinder; 8. a temperature sensor; 9. a buzzer; 10. a second worm gear; 11. a second worm; 12. a driven gear; 13. a driving gear; 14. rotating the rod; 15. a hand-operated wheel; 16. a housing; 17. a dehumidifier; 18. a fan; 19. an air inlet pipe; 20. a dust screen; 21. a roller; 22. rotating the blades; 23. a rotating shaft; 24. a connecting plate; 25. a pallet; 26. an insulating sleeve; 27. a hollow tube; 28. an annular plate; 29. a first link; 30. a second link; 31. a ball; 32. a thread block; 33. a threaded rod; 34. an L-shaped rod; 35. an electric telescopic rod; 36. a filter screen; 37. a cooler; 38. a brush; 39. a first square bar; 40. a cylinder; 41. moving the plate; 42. a driven gear; 43. a transmission gear; 44. a square hole circular tube; 45. a second square bar; 46. a drive shaft; 47. a driven bevel gear; 48. a transmission bevel gear; 49. a rotating rod; 50. a first worm gear; 51. a first worm; 52. a T-shaped rod; 53. a spring; 54. a screw; 55. a driving bevel gear; 56. a driven bevel gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: an insulation supporting structure for a 252kV high-voltage switch bus and a using method thereof, the insulation supporting structure comprises a cabinet body 1, a cabinet door 2 is arranged on the front side of the cabinet body 1, a plurality of hinges are arranged on the left side of the cabinet door 2, the cabinet door 2 is movably connected with the cabinet body 1 through a plurality of hinges, a handle is fixedly connected on the front side of the cabinet door 2 close to the right side, a face recognition camera 3 is installed on the front side of the cabinet door 2 close to the top, a connecting plate 24 is fixedly connected on the rear side of the cabinet door 2 close to the right side, a positioning hole is formed in the connecting plate 24, an electric telescopic rod 35 is fixedly connected on the right side wall of an inner cavity of the cabinet body 1, the power end of the electric telescopic rod 35 penetrates through the positioning hole and extends to the left side of the connecting plate 24, the safety of the switch cabinet is improved, supporting legs 4 are fixedly connected on the bottom of the cabinet body 1 close to four corners, thread grooves are formed at the bottom ends of the supporting legs 4, screw rods 54 are fixedly connected with backing plates 5 at the bottoms of the screw rods 54, the inner cavities are conveniently adjusted, a filter screen 16 is fixedly connected on the top of the inner cavity of the cabinet body close to the top of a casing 16, and a dust-proof dehumidifier is connected to the top of the inner cavity 16 of the casing 16 of the cabinet body close to the top of the casing 16, the inner cavity of the cabinet body, the casing 16, and the air inlet of the casing is fixedly connected with a filter screen 16, the temperature monitoring cabinet is characterized in that a plurality of fixing cylinders 7 are arranged at the bottom of the cabinet body 1 in a penetrating mode, threading holes are formed in the tops of the fixing cylinders 7, insulating sleeves 26 are arranged at the bottoms of the fixing cylinders 7 in a penetrating mode, a binding mechanism is arranged on the outer sides of the insulating sleeves 26, a plurality of third bearings are fixedly connected to the bottom of the cabinet body 1, temperature sensors 8 are fixedly connected to the left sides of inner cavities of the fixing cylinders 7, buzzers 9 are fixedly connected to the left sides of the fixing cylinders 7, and the temperature of the inner cavities of the fixing cylinders 7 can be monitored;
the cleaning mechanism comprises a movable plate 41, the movable plate 41 is positioned at the bottom of the shell 16, a slide block is fixedly connected to the right side of the movable plate 41, a chute is formed in the left side of the cabinet body 1, the slide block is movably connected to an inner cavity of the chute, a vertical plate is fixedly connected to the bottom of the movable plate 41, close to the right side, of the movable plate 41, a through hole is formed in the vertical plate, a T-shaped rod 52 penetrates through the inner cavity of the through hole, a spring 53 is sleeved on the outer side of the T-shaped rod 52, the left end and the right end of the spring 53 are fixedly connected with the T-shaped rod 52 and the vertical plate respectively, a positioning blind hole is formed in the right side of the inner cavity of the chute, the longer end of the T-shaped rod 52 in a T-shaped structure is inserted into the inner cavity of the positioning blind hole, a movable shaft is movably connected to the top of the movable plate 41, a cylinder 40 is fixedly connected to the top end of the movable shaft, a square blind hole is formed in the top end of the cylinder 40, a first square rod 39 is fixedly connected with a plurality of brushes 38, the tops of the plurality of brushes 38 are mutually attached to the bottom of the filter screen 36, the plurality of brushes 38 are arranged in an annular array shape by taking the top end of the first square rod 39 as a circle center, the outer side of the cylinder 40 is sleeved with the driven gear 42, the right side of the driven gear 42 is engaged with the transmission gear 43, the circle center of the transmission gear 43 is provided with a square hole circular tube 44 in a penetrating way, the bottom end of the square hole circular tube 44 is movably connected with the top of the moving plate 41, the top end of the inner cavity of the square hole circular tube 44 is inserted with the second square rod 45 matched with the top end of the square hole circular tube 44, the top end of the second square rod 45 is fixedly connected with the transmission shaft 46, the top end of the transmission shaft 46 is movably connected with a transverse plate, the right side of the transverse plate is fixedly connected with the left side of the cabinet body 1, the outer side of the second square rod 45 is sleeved with the driven conical gear 47, and the right side of the top of the driven conical gear 47 is engaged with the transmission conical gear 48, a rotating rod 49 is fixedly connected to the right circle center of the transmission conical gear 48, a through hole is formed in the left side of the cabinet body 1 close to the top, a first bearing is fixedly connected to the left side of the inner cavity of the through hole, the right end of the rotating rod 49 penetrates through the inner cavity of the first bearing and extends into the inner cavity of the cabinet body 1, a first worm gear 50 is fixedly connected to the left side of the inner cavity of the cabinet body 1, a first worm 51 is meshed with the rear side of the first worm gear 50, a support plate is fixedly connected to the left side of the inner cavity of the cabinet body 1 close to the top, a second bearing is fixedly connected to the support plate, the top end of the first worm 51 penetrates through the inner cavity of the second bearing and is fixedly connected with a driven conical gear 56, a driving conical gear 55 is meshed with the rear side of the top of the driven conical gear 56, a rolling shaft 21 is arranged on the rear side of the driving conical gear 55, a plurality of rotating blades 22 are fixedly connected to the outer side wall of the rolling shaft 21, a rotating shaft 23 jointly penetrates through the front and rear sides of the rolling shaft 23 and is movably connected to the rear side of the inner cavity of the cabinet body 1, and the front end of the rotating shaft 23 is fixedly connected to the rear circle center of the rear side of the driving conical gear 55, so that the air inlet efficiency is improved;
the binding mechanism comprises a hollow pipe 27, the hollow pipe 27 is sleeved outside the insulating sleeve 26, the top end of the hollow pipe 27 is fixedly connected with the bottom of the cabinet body 1, the inner side wall of the hollow pipe 27 is provided with an annular plate 28 in a fitting manner, the top of the annular plate 28 is connected with a plurality of first connecting rods 29, the left side of the bottom of the annular plate 28 is fixedly connected with an L-shaped rod 34, one end of the L-shaped rod 34 far away from the annular plate 28 is fixedly connected with a supporting plate 25, the right side of the supporting plate 25 is provided with a threading slot, the top ends of the first connecting rods 29 are hinged with second connecting rods 30, one end of each second connecting rod 30 is fixedly connected with a round ball 31, the other end of each second connecting rod 30 is movably connected with the inner side wall of the hollow pipe 27, the right side of the annular plate 28 is fixedly connected with a limiting rod, the right side of the hollow pipe 27 is provided with a limiting slot matched with the limiting rod, and the right end of the limiting rod penetrates through the inner cavity of the limiting slot, a threaded block 32 is fixedly connected, a threaded hole is formed in the threaded block 32, a threaded rod 33 penetrates through the inner cavity of the threaded hole, the top end of the threaded rod 33 penetrates through an adjacent third bearing and extends to the inner cavity of the cabinet body 1, second worm gears 10 are arranged on the right sides of the tops of the plurality of fixed cylinders 7, second worms 11 are meshed with the rear sides of the plurality of second worm gears 10 together, the left end and the right end of each second worm 11 are movably connected with the left side and the right side of the inner cavity of the cabinet body 1 respectively, the top ends of the threaded rods 33 are fixedly connected with the circle centers of the bottoms of the adjacent second worm gears 10, driven gears 12 are sleeved on the outer sides of the second worms 11 close to the left ends, driving gears 13 are meshed with the tops of the driven gears 12, a rotating rod 14 penetrates through the circle centers of the driving gears 13, the left end of the rotating rod 14 is movably connected with the left side of the inner cavity of the cabinet body 1, and hand-operated wheels 15 are fixedly connected with the right ends of the rotating rod 14, several bus bars can be insulated, separated and supported.
A use method of an insulation support structure for a 252kV high-voltage switch bus comprises the following steps:
s1: when the bus is installed in a penetrating mode, firstly, a worker needs to aim a face at the face recognition camera 3 on the front side of the cabinet door 2, and after the face recognition is passed, the electric telescopic rod 35 is started through the remote control system to drive the power end to contract, so that the power end of the electric telescopic rod 35 is far away from the connecting plate 24, and the cabinet door 2 can be opened;
s2: after the cabinet door 2 is opened, a worker penetrates the bus into the inner cavity of the fixed cylinder 7 from the plurality of insulating sleeves 26 and extends the bus into the cabinet body 1, so that the bus is connected with the internal connecting line, and the bus is placed into the fixed cylinder 7 after connection is completed, so that the plurality of fixed cylinders 7 insulate and separate the bus and form independent chambers;
s3: after the bus is connected, the hand wheel 15 is rotated to drive the rotating rod 14 to rotate, the rotating rod 14 rotates to drive the driving gear 13 to rotate, the driving gear 13 rotates to drive the driven gear 12 to rotate, the driven gear 12 rotates to drive the second worm 11 to rotate, the second worm 11 rotates to drive the plurality of second worm gears 10 to rotate, the plurality of second worm gears 10 rotate to respectively drive the adjacent threaded rods 33 to rotate, the threaded rods 33 rotate to drive the threaded blocks 32 to move upwards, the limiting rods drive the annular plate 28 to move upwards, the annular plate 28 moves upwards to push the ends, close to the round balls 31, of the adjacent second connecting rods 30 to deflect upwards, and therefore the plurality of round balls 31 are driven to extrude and bind the insulating sleeve 26;
s4: the plurality of annular plates 28 move upwards and simultaneously drive the plurality of L-shaped rods 34 to move upwards, the L-shaped rods 34 move upwards to drive the supporting plate 25 to move upwards, so that the bus is supported, and the bus is limited by the threading grooves;
s5: the temperature of the inner cavity of the fixed cylinder 7 is monitored through the arrangement of a plurality of groups of temperature sensors 8 and a buzzer 9, and when abnormal high temperature occurs at the wiring position of a bus and electrical equipment and the temperature exceeds the set value of the temperature sensor 8, the temperature sensor 8 starts the buzzer 9 to give out sound alarm;
s6: when the switch cabinet starts to work, the cooler 37, the dehumidifier 17 and the fan 18 are started, the fan 18 works to pump outside air into the inner cavity of the shell 16, dust in the air is filtered through the filter screen 36, the cooler 37 is used for cooling the air, finally, moisture in the air is removed through the dehumidifier 17, and then the air is sent into the inner cavity of the cabinet body 1 through the air inlet pipe 19, so that the temperature of the inside of the cabinet body 1 is reduced and heat is dissipated;
s7: the air inlet pipe 19 blows a plurality of rotating blades 22 to rotate while supplying air to the inner cavity of the cabinet body 1, the plurality of rotating blades 22 rotate to drive the roller 21 to rotate, the roller 21 rotates to drive the rotating shaft 23 to rotate, the rotating shaft 23 rotates to drive the first worm 51 to rotate through the meshing between the driving conical gear 55 and the driven conical gear 56, the first worm 51 rotates to drive the first worm wheel 50 to rotate, the first worm wheel 50 rotates to drive the second square rod 45 to rotate through the meshing between the transmission conical gear 48 and the driven conical gear 47, the second square rod 45 rotates to drive the square hole circular pipe 44 to rotate, the square hole circular pipe 44 rotates to drive the transmission gear 43 to rotate, the transmission gear 43 rotates to drive the driven gear 42 to rotate, the driven gear 42 rotates to drive the cylinder 40 to rotate, the cylinder 40 rotates to drive the first square rod 39 to rotate, the first square rod 39 rotates to drive a plurality of brushes 38 to rotate, and the plurality of brushes 38 rotate to clean dust attached to the bottom of the filter screen 36;
s8: when the brush 38 needs to be disassembled and cleaned, the T-shaped rod 52 is pulled to move leftwards, the spring 53 is driven to extend leftwards, meanwhile, the longer end of the T-shaped rod 52T-shaped structure is separated from the inner cavity of the positioning blind hole, the moving plate 41 is pulled to move downwards, the sliding block slides downwards in the inner cavity of the sliding groove and limits and guides the moving plate 41, after the sliding block moves to the bottom of the inner cavity of the sliding groove, the first direction rod 39 is pulled to move upwards, the first direction rod 39 is separated from the inner cavity of the square blind hole, and the brush 38 is disassembled and cleaned.
The working principle is as follows: when the bus is installed in a penetrating way, firstly, a worker needs to aim a face at a face recognition camera 3 on the front side of a cabinet door 2, after the face recognition is passed, the electric telescopic rod 35 is started through a remote control system to drive a power end to contract, so that the power end of the electric telescopic rod 35 is far away from a connecting plate 24, the cabinet door 2 can be opened, after the cabinet door 2 is opened, the worker penetrates the bus into an inner cavity of a fixed cylinder 7 from a plurality of insulating sleeves 26 and extends to the inside of a cabinet body 1, so that the bus is connected with an internal connecting line, and after the connection is completed, the bus is placed into the fixed cylinder 7, so that the plurality of fixed cylinders 7 are used for insulating and separating the bus and forming independent chambers, the effect of insulating and space separation of the independent bus and the circuit of a power distribution/control loop is achieved, and the aim of ensuring the safety of the power distribution/control circuit in the power distribution cabinet is achieved, the safety of the power distribution cabinet is improved, when the bus connection is completed, the hand wheel 15 is rotated to drive the rotating rod 14 to rotate, the rotating rod 14 is rotated to drive the driving gear 13 to rotate, the driving gear 13 rotates to drive the driven gear 12 to rotate, the driven gear 12 rotates to drive the second worm 11 to rotate, the second worm 11 rotates to drive the plurality of second worm gears 10 to rotate, the plurality of second worm gears 10 rotate to respectively drive the adjacent threaded rods 33 to rotate, the threaded rods 33 rotate to drive the threaded blocks 32 to move upwards, the annular plates 28 are driven to move upwards through the limiting rods, the annular plates 28 move upwards to push the ends, close to the spherical balls 31, of the adjacent second connecting rods 30 to deflect upwards through the plurality of first connecting rods 29, so that the plurality of spherical balls 31 are driven to extrude and constrain the insulating sleeves 26, and the plurality of annular plates 28 move upwards while driving the plurality of L-shaped rods 34 to move upwards, the L-shaped rod 34 moves upwards to drive the supporting plate 25 to move upwards so as to support the bus, the bus is limited by the threading groove, the bus is prevented from falling off, the temperature of the inner cavity of the fixed cylinder 7 is monitored by the arrangement of the plurality of groups of temperature sensors 8 and the buzzer 9, when abnormal high temperature occurs at the wiring position of the bus and the electrical equipment and the temperature exceeds the set value of the temperature sensor 8, the temperature sensor 8 starts the buzzer 9 to give out sound alarm to remind a worker timely that the electrical equipment and the bus in the fixed cylinder 7 have faults, which greatly facilitates people to find the abnormity in advance, when the switch cabinet starts to work, the cooler 37, the dehumidifier 17 and the fan 18 are started, the fan 18 works to pump the outside air into the inner cavity of the shell 16, the dust in the air is filtered by the filter screen 36, and the cooler 37 is used for cooling the air, finally, moisture in the air is removed through the dehumidifier 17, and then the air is sent into the inner cavity of the cabinet body 1 through the air inlet pipe 19, so as to cool and dissipate the heat inside the cabinet body 1, the heat dissipation effect is better, the air inlet pipe 19 blows a plurality of rotating blades 22 to rotate while supplying air to the inner cavity of the cabinet body 1, the plurality of rotating blades 22 rotate to drive the roller 21 to rotate, the roller 21 rotates to drive the rotating shaft 23 to rotate, the rotating shaft 23 rotates to drive the first worm 51 to rotate through the meshing between the driving conical gear 55 and the driven conical gear 56, the first worm 51 rotates to drive the first worm wheel 50 to rotate, the first worm wheel 50 rotates to drive the second square rod 45 to rotate through the meshing between the driving conical gear 48 and the driven conical gear 47, the second square rod 45 rotates to drive the square hole circular tube 44 to rotate, the square hole circular tube 44 rotates to drive the transmission gear 43 to rotate, the transmission gear 43 rotates to drive the driven gear 42 to rotate, driven gear 42 rotates and drives cylinder 40 and rotates, cylinder 40 rotates and drives first square pole 39 and rotates, first square pole 39 rotates and drives a plurality of brush 38 and rotates, a plurality of brush 38 rotates and clears up the adnexed dust in filter screen 36 bottom, improve air inlet efficiency, when needs dismantle the clearance to brush 38, pulling T shape pole 52 moves left, drive spring 53 when extending left break away from the longer one end of T shape pole 52T shape structure from location blind hole inner chamber, thereby pulling movable plate 41 moves down, make the slider slide down at the spout inner chamber and to the spacing direction of movable plate 41, after the slider moved spout inner chamber bottom, pulling first square pole 39 upward movement, make first square pole 39 break away from square blind hole inner chamber, thereby dismantle brush 38 and wash, improve the cleaning performance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An insulation supporting structure for a 252kV high-voltage switch bus and a using method thereof comprise a cabinet body (1), and are characterized in that: the cabinet is characterized in that a cabinet door (2) is arranged on the front side of the cabinet body (1), a plurality of hinges are arranged on the left side of the cabinet door (2), the cabinet door (2) is movably connected with the cabinet body (1) through the plurality of hinges, a handle is fixedly connected to the position, close to the right side, of the front side of the cabinet door (2), supporting legs (4) are fixedly connected to the position, close to four corners, of the bottom of the cabinet body (1), a device mounting plate (6) is fixedly connected to the position, close to the top, of the rear side of an inner cavity of the cabinet body (1), a vent is arranged on the position, close to the top, of the right side of the cabinet body (1), a dust screen (20) is fixedly connected to the right side of the inner cavity of the vent, a shell (16) is fixedly connected to the position, close to the top, of the left side of the cabinet body (1), an air inlet is formed in the bottom of the shell (16), a filter screen (36) is fixedly connected to the inner cavity of the air inlet, a cleaning mechanism is arranged at the bottom of the filter screen (36), a cooler (37) is fixedly connected to the position, close to the bottom, of the inner cavity of the shell (16), a dehumidifier (17) is fixedly connected to the middle position of the inner cavity of the shell (16), a fan (18) is fixedly connected to the position, close to the top, of the inner cavity of the shell (16), an air inlet pipe (19) is inserted into the top of the shell (16), the other end of the air inlet pipe (19) is inserted into the top of the left side of the cabinet body (1), and a plurality of fixing cylinders (7) penetrate through the bottom of the cabinet body (1), and a plurality of the top of a fixed cylinder (7) has all been seted up the through wires hole, a plurality of the bottom of a fixed cylinder (7) all runs through and is equipped with insulating cover (26), just the outside of insulating cover (26) is equipped with the constraint mechanism, the bottom fixedly connected with a plurality of third bearing of the cabinet body (1).
2. The insulating and supporting structure for the 252kV high-voltage switch bus and the using method thereof as claimed in claim 1, wherein: a face recognition camera (3) is arranged on the front side of the cabinet door (2) close to the top, a connecting plate (24) is fixedly connected on the rear side of the cabinet door (2) close to the right side, a positioning hole is arranged on the connecting plate (24), the inner cavity right side wall of the cabinet body (1) is fixedly connected with an electric telescopic rod (35), and a power end of the electric telescopic rod (35) penetrates through the positioning hole and extends to the left side of the connecting plate (24).
3. The insulating and supporting structure for the 252kV high-voltage switch bus and the using method thereof as claimed in claim 1, wherein: the bottom of a plurality of landing leg (4) is all seted up the thread groove, just thread groove inner chamber threaded connection has screw rod (54), a plurality of the equal fixedly connected with backing plate (5) in bottom of screw rod (54).
4. The insulating and supporting structure for the 252kV high-voltage switch bus and the using method thereof as claimed in claim 1, wherein: the cleaning mechanism comprises a movable plate (41), the movable plate (41) is located at the bottom of the shell (16), a slider is fixedly connected to the right side of the movable plate (41), a sliding groove is formed in the left side of the cabinet body (1), the slider is movably connected to an inner cavity of the sliding groove, a vertical plate is fixedly connected to the bottom of the movable plate (41) and close to the right side, a through hole is formed in the vertical plate, a T-shaped rod (52) penetrates through the inner cavity of the through hole, a spring (53) is sleeved on the outer side of the T-shaped rod (52), the left end and the right end of the spring (53) are fixedly connected with the T-shaped rod (52) and the vertical plate respectively, a positioning blind hole is formed in the right side of the inner cavity of the sliding groove, the T-shaped rod (52) is in a T-shaped structure and is connected to the inner cavity of the positioning blind hole in an inserting mode, a movable shaft is movably connected to the top of the movable plate (41) close to the left side, a top end of the movable shaft is fixedly connected to a cylinder (40), a square blind hole is formed in the top of the cylinder (40), a square blind hole is formed in the top end of the cylinder (40), a first square rod (39) is connected to the square inner cavity in an inserting mode, and a plurality of brushes (38) are fixedly connected to the top end of the first square rod (39).
5. The insulation support structure for the 252kV high-voltage switch bus and the use method thereof as claimed in claim 4, wherein: the top of the brushes (38) is mutually attached to the bottom of the filter screen (36), and the brushes (38) are arranged in an annular array shape by taking the top end of the first square rod (39) as a circle center.
6. The insulation support structure for the 252kV high-voltage switch bus and the use method thereof as claimed in claim 4, wherein: a driven gear (42) is sleeved on the outer side of the cylinder (40), a transmission gear (43) is meshed on the right side of the driven gear (42), a square hole round pipe (44) penetrates through the center of circle of the transmission gear (43), the bottom end of the square hole round pipe (44) is movably connected with the top of the movable plate (41), a second square rod (45) matched with the transmission gear is inserted into the top end of the inner cavity of the square hole round pipe (44), a transmission shaft (46) is fixedly connected to the top end of the second square rod (45), a transverse plate is movably connected to the top end of the transmission shaft (46), the right side of the transverse plate is fixedly connected with the left side of the cabinet body (1), a driven conical gear (47) is sleeved on the outer side of the second square rod (45), a transmission conical gear (48) is meshed on the right side of the top of the driven conical gear (47), a rotating rod (49) is fixedly connected to the center of the right side of the transmission conical gear (48), a through hole is formed in the position close to the top of the left side of the cabinet body (1), a first bearing is fixedly connected with a first bearing, a worm wheel (50) extends through the right end of the inner cavity of the first bearing (1), and a worm wheel (50) is connected with a worm gear (50) in the left side of the cabinet body, just fixedly connected with second bearing in the backup pad, the top of first worm (51) runs through the second bearing inner chamber to fixedly connected with driven conical gear (56), just the meshing of the top rear side department of driven conical gear (56) has initiative conical gear (55), the rear side of initiative conical gear (55) is equipped with roller bearing (21), just a plurality of rotation leaf (22) of lateral wall fixedly connected with of roller bearing (21), both sides run through jointly around roller bearing (21) and are equipped with pivot (23), just the rear end of pivot (23) and the inner chamber rear side swing joint of the cabinet body (1), the front end of pivot (23) and the rear side centre of circle department fixed connection of initiative conical gear (55).
7. The insulating and supporting structure for the 252kV high-voltage switch bus and the using method thereof as claimed in claim 1, wherein: a plurality of the inner chamber left side of the fixed cylinder (7) is fixedly connected with a temperature sensor (8), and the left side of the fixed cylinder (7) is fixedly connected with a buzzer (9).
8. The insulating and supporting structure for the 252kV high-voltage switch bus and the using method thereof as claimed in claim 1, wherein: the binding mechanism comprises a hollow pipe (27), the hollow pipe (27) is sleeved outside the insulating sleeve (26), the top end of the hollow pipe (27) is fixedly connected with the bottom of the cabinet body (1), the inner side wall of the hollow pipe (27) is provided with an annular plate (28) in an attaching way, an L-shaped rod (34) is fixedly connected at the left side of the bottom of the annular plate (28), and one end of the L-shaped rod (34) far away from the annular plate (28) is fixedly connected with a supporting plate (25), the right side of the supporting plate (25) is provided with a threading groove, a plurality of first connecting rods (29) are connected with the top of the annular plate (28), second connecting rods (30) are hinged with the top ends of the first connecting rods (29), a round ball (31) is fixedly connected with one end of each second connecting rod (30), and the other ends of the plurality of second connecting rods (30) are movably connected with the inner side wall of the hollow pipe (27), the right side of the annular plate (28) is fixedly connected with a limiting rod, the right side of the hollow tube (27) is provided with a limiting groove matched with the limiting rod, the right end of the limiting rod penetrates through the inner cavity of the limiting groove, and is fixedly connected with a thread block (32), a threaded hole is arranged on the thread block (32), and the threaded hole inner cavity is provided with a threaded rod (33) in a penetrating manner, and the top end of the threaded rod (33) penetrates through the adjacent third bearing and extends to the inner cavity of the cabinet body (1).
9. The insulating and supporting structure for the 252kV high-voltage switch bus and the using method thereof as claimed in claim 8, wherein: a plurality of the top right side department of solid fixed cylinder (7) all is equipped with second worm wheel (10), a plurality of the rear side of second worm wheel (10) meshes jointly has second worm (11), just both ends respectively with the inner chamber left and right sides swing joint of the cabinet body (1) about second worm (11), the top of threaded rod (33) and the bottom centre of a circle department fixed connection of adjacent second worm wheel (10), the outside of second worm (11) is close to left end department cover and is equipped with driven gear (12), just the top meshing of driven gear (12) has driving gear (13), centre of a circle department runs through on driving gear (13) and is equipped with dwang (14), just the left end of dwang (14) and the inner chamber left side swing joint of the cabinet body (1), the hand wheel (15) of right-hand end fixed connection idol of dwang (14).
10. Use of an insulating and supporting structure for a 252kV high-voltage switching bus according to any of claims 1 to 9, characterized by comprising the steps of:
s1: when the bus is installed in a penetrating mode, firstly, a worker needs to aim a face at a face recognition camera (3) on the front side of a cabinet door (2), and after the face recognition is passed, an electric telescopic rod (35) is started through a remote control system to drive a power end to contract, so that the power end of the electric telescopic rod (35) is far away from a connecting plate (24), and the cabinet door (2) can be opened;
s2: after the cabinet door (2) is opened, a worker penetrates a bus into the inner cavity of the fixed cylinder (7) from the plurality of insulating sleeves (26) and extends the bus into the cabinet body (1), so that the bus is connected with an internal connecting line, and the bus is placed into the fixed cylinder (7) after connection is completed, so that the plurality of fixed cylinders (7) insulate and separate the bus and form an independent chamber;
s3: after bus connection is completed, a hand wheel (15) is rotated to drive a rotating rod (14) to rotate, the rotating rod (14) rotates to drive a driving gear (13) to rotate, the driving gear (13) rotates to drive a driven gear (12) to rotate, the driven gear (12) rotates to drive a second worm (11) to rotate, the second worm (11) rotates to drive a plurality of second worm gears (10) to rotate, the plurality of second worm gears (10) rotate to respectively drive adjacent threaded rods (33) to rotate, the threaded rods (33) rotate to drive threaded blocks (32) to move upwards, and the annular plates (28) are driven to move upwards through limiting rods, the annular plates (28) move upwards to push one ends, close to the round balls (31), of the adjacent second connecting rods (30) to deflect upwards through a plurality of first connecting rods (29), so that a plurality of round balls (31) are driven to extrude and bind the insulating sleeves (26);
s4: the plurality of annular plates (28) move upwards and simultaneously drive the plurality of L-shaped rods (34) to move upwards, the L-shaped rods (34) move upwards to drive the supporting plate (25) to move upwards, so that the bus is supported, and the bus is limited by the threading groove;
s5: the temperature of the inner cavity of the fixed cylinder (7) is monitored through the arrangement of a plurality of groups of temperature sensors (8) and buzzers (9), and when abnormal high temperature occurs at the wiring position of a bus and electrical equipment and the temperature exceeds the set value of the temperature sensors (8), the temperature sensors (8) can start the buzzers (9) to give out sound alarm;
s6: when the switch cabinet starts to work, the cooler (37), the dehumidifier (17) and the fan (18) are started, the fan (18) works to pump outside air into the inner cavity of the shell (16), dust in the air is filtered through the filter screen (36), the air is cooled through the cooler (37), moisture in the air is removed through the dehumidifier (17), and then the air is sent into the inner cavity of the cabinet body (1) through the air inlet pipe (19), so that the inside of the cabinet body (1) is cooled and radiated;
s7: the air inlet pipe (19) blows a plurality of rotating blades (22) to rotate while supplying air to the inner cavity of the cabinet body (1), the plurality of rotating blades (22) rotate to drive the roller (21) to rotate, the roller (21) rotates to drive the rotating shaft (23) to rotate, the rotating shaft (23) rotates to drive the first worm (51) to rotate through the meshing between the driving bevel gear (55) and the driven bevel gear (56), the first worm (51) rotates to drive the first worm wheel (50) to rotate, the first worm wheel (50) rotates to drive the second square rod (45) to rotate through the meshing between the transmission bevel gear (48) and the driven bevel gear (47), the second square rod (45) rotates to drive the square hole circular pipe (44) to rotate, the square hole circular pipe (44) rotates to drive the transmission gear (43) to rotate, the transmission gear (43) rotates to drive the driven gear (42) to rotate, the driven gear (42) rotates to drive the cylinder (40) to rotate, the cylinder (40) rotates to drive the first square rod (39) to drive the plurality of square rods (38) to rotate, and dust is removed from the filter screen (36);
s8: when the brush (38) needs to be disassembled and cleaned, the T-shaped rod (52) is pulled to move leftwards, the spring (53) is driven to extend leftwards, the longer end of the T-shaped structure of the T-shaped rod (52) is separated from the inner cavity of the positioning blind hole, the moving plate (41) is pulled to move downwards, the sliding block slides downwards in the inner cavity of the sliding groove and limits and guides the moving plate (41), the first square rod (39) is pulled to move upwards after the sliding block moves to the bottom of the inner cavity of the sliding groove, the first square rod (39) is separated from the inner cavity of the square blind hole, and the brush (38) is disassembled to be cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874662.6A CN115473126A (en) | 2022-07-25 | 2022-07-25 | Insulation support structure for 252kV high-voltage switch bus and use method thereof |
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| CN202210874662.6A CN115473126A (en) | 2022-07-25 | 2022-07-25 | Insulation support structure for 252kV high-voltage switch bus and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607543A (en) * | 2023-11-24 | 2024-02-27 | 国网黑龙江省电力有限公司 | Device and method for measuring line impedance of each node of transformer area |
| CN118097838A (en) * | 2024-04-24 | 2024-05-28 | 四川水利职业技术学院 | Computer vision recognition device and use method |
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2022
- 2022-07-25 CN CN202210874662.6A patent/CN115473126A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607543A (en) * | 2023-11-24 | 2024-02-27 | 国网黑龙江省电力有限公司 | Device and method for measuring line impedance of each node of transformer area |
| CN117607543B (en) * | 2023-11-24 | 2024-04-30 | 国网黑龙江省电力有限公司 | Device and method for measuring line impedance of each node of transformer area |
| CN118097838A (en) * | 2024-04-24 | 2024-05-28 | 四川水利职业技术学院 | Computer vision recognition device and use method |
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