CN116345345A - Internal protection device of DTU spliced interval type ring main unit and use method - Google Patents
Internal protection device of DTU spliced interval type ring main unit and use method Download PDFInfo
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- CN116345345A CN116345345A CN202310359752.6A CN202310359752A CN116345345A CN 116345345 A CN116345345 A CN 116345345A CN 202310359752 A CN202310359752 A CN 202310359752A CN 116345345 A CN116345345 A CN 116345345A
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- ring main
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims description 84
- 229920003023 plastic Polymers 0.000 claims description 62
- 239000004033 plastic Substances 0.000 claims description 62
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 238000004804 winding Methods 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 36
- 238000001816 cooling Methods 0.000 claims description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 241000201308 Boschniakia Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- -1 floating plate Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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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
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention relates to the technical field of power transmission and distribution equipment, in particular to an internal protection device of a DTU spliced spaced ring main unit and a use method thereof.
Description
Technical Field
The invention relates to the technical field of power transmission and distribution equipment, in particular to an internal protection device of a DTU spliced interval ring main unit and a use method thereof.
Background
The ring main unit is used for improving the power supply reliability, so that a user can obtain power from two directions, and a power supply network is generally connected into a ring shape. This power supply mode is simply referred to as ring network power supply. In ac 10KV distribution systems such as ports and high-rise buildings, because the load capacity is not large, a high-voltage loop is usually controlled by a load switch or a vacuum contactor and is provided with a high-voltage fuse for protection.
The invention patent number CN114825133A discloses a protection mechanism for an outdoor ring main unit, relates to the field of protection mechanisms for ring main units, and solves the problems that the position and angle of a ventilation opening are difficult to change along with weather change when the existing protection mechanism for the outdoor ring main unit is used, so that external rainwater and dust can easily enter the interior of a main unit body.
However, the above-mentioned patent has the following disadvantages in the actual use process: although the ventilation device can be completely closed after the ring main unit is moved up to the set position, the accumulated water is prevented from entering the cabinet body, but the upward moving process of the ring main unit is very slow, a small amount of accumulated water still enters the cabinet body, and the safety of electric elements in the cabinet body is affected.
Disclosure of Invention
The invention aims to provide an internal protection device of a DTU spliced spaced ring main unit and a use method thereof, so as to solve the problems that in the background art, the process of lifting the ring main unit is very slow, a small amount of accumulated water still enters the cabinet body, and the safety of electrical components in the cabinet body is affected.
The invention provides an internal protection device of a DTU spliced spaced ring main unit, which comprises a mounting rack, a pull plate, a fixing plate, a ring main unit body, an upward moving assembly, a closing assembly, a cooling assembly, two guide rails, two lifting plates and two ventilation assemblies, wherein the two guide rails are symmetrically arranged on the inner wall of the mounting rack, the two lifting plates are respectively and slidably arranged on the two guide rails, two ends of the pull plate are respectively connected with the inner walls of the two lifting plates, the fixing plate is arranged at the top ends of the two lifting plates, the ring main unit body is arranged at the top of the fixing plate, the upward moving assembly is arranged on the outer wall of the mounting rack, the bottom end of the upward moving assembly is connected with the top of the pull plate, the two ventilation assemblies are symmetrically arranged on the outer wall of the ring main unit body, the two ends of the closing assembly are respectively extended to be connected with the bottom ends of the two ventilation assemblies, the cooling assembly is arranged on the outer wall of the ring main unit body, and one end of the cooling assembly is extended to the inner top end of the ring main unit body.
Further, the ventilation subassembly includes ventilation case, fly leaf and a plurality of air funnel, the ventilation case is installed on the outer wall of the looped netowrk cabinet body to the ventilation case is linked together with the inside of the looped netowrk cabinet body, a plurality of the equidistant setting of air funnel is in the ventilation case, and a plurality of all be equipped with logical groove on the air funnel, be equipped with a plurality of ventilation groove on the outer wall of ventilation case, a plurality of the logical groove one-to-one on ventilation groove and the a plurality of air funnel, every all be equipped with the filter screen in the ventilation groove, fly leaf slidable mounting is on the outer wall of ventilation case.
Further, the closure subassembly includes header tank and two buoyancy linkage parts, the header tank is installed on the outer wall of the looped netowrk cabinet body, two buoyancy linkage parts symmetry sets up in the header tank to the bottom of two buoyancy linkage parts is connected with the bottom of the movable plate in two ventilation subassemblies respectively, every buoyancy linkage parts all includes water collection section of thick bamboo, floating plate, cavity plastic tubing, cavity plastic slab, plastic montant and plastics horizontal pole, water collection section of thick bamboo is vertical to be set up in the header tank, be equipped with a plurality of water channel on the outer wall of water collection section of thick bamboo, floating plate slidable mounting is in water collection section of thick bamboo, the vertical setting of cavity plastic tubing is at the top of floating plate to the top of cavity plastic tubing extends to the header tank, cavity plastic slab level sets up at the top of cavity plastic tubing, the vertical setting of plastic montant is in the bottom of cavity plastic slab, and the bottom of plastic montant extends to the bottom side of movable plate, the both ends of plastics horizontal pole are connected with the montant of plastics and the bottom of movable plate respectively.
Further, the subassembly that moves up includes spout, sliding seat, wind-up roll, rolling motor, backup pad, lead screw slip table, connecting plate, first fixing base, second fixing base, pull ring and steel cable, the spout level sets up on the outer wall of mounting bracket, sliding seat slidable mounting is on the spout, the wind-up roll rotates and installs in the sliding seat, the rolling motor level sets up on the outer wall of sliding seat to the output shaft and the wind-up roll of rolling motor are connected, the backup pad level sets up on the outer wall of mounting bracket, the lead screw slip table level sets up the top at the backup pad, the connecting plate is installed on the mobile terminal of lead screw slip table to the connecting plate is connected with the sliding seat, first fixing base sets up on the top outer wall of mounting bracket, first pulley and second pulley are installed in first fixing base and the second fixing base respectively in the rotation, the pull ring is installed at the top of arm-tie, the tail end and the wind-up roll of steel cable are connected, the head end and the pull ring of once passing first pulley and second pulley after being connected.
Further, the cooling assembly includes thermal insulation cover, liquid nitrogen jar, air pump, cooling tube, first trachea, second trachea and temperature-sensing ware, thermal insulation cover installs on the outer wall of looped netowrk cabinet body, liquid nitrogen jar level sets up in thermal insulation cover, cooling tube level sets up the inside top at the looped netowrk cabinet body, the bottom of cooling tube is equipped with a plurality of jet-propelled pipe, the bottom of jet-propelled pipe is equipped with the jet head, the air pump level sets up at the top of thermal insulation cover, first tracheal both ends are linked together with the input of air pump and liquid nitrogen jar respectively, the tracheal both ends of second are linked together with the output and the cooling tube of air pump respectively, temperature-sensing ware installs the inside top at the looped netowrk cabinet body.
Further, two access doors are hinged to the outer wall of the ring main unit body, a handle is arranged on each access door, and a safety warning board is arranged at the top end of each access door.
Further, the top of looped netowrk cabinet body is equipped with the carrier, the herringbone weather shield is installed on the top of carrier.
Further, the top of mounting bracket is equipped with the swash plate that keeps off the rain.
Further, the bottom of mounting bracket is equipped with inserts ground subassembly, it includes base box, drive plate, drive block, hydraulic push rod and two guide bars to insert the ground subassembly, the base box sets up in the bottom of mounting bracket, two the guide bar symmetry sets up the inside at the base box, drive plate slidable mounting is on two guide bars, the bottom of drive plate is equipped with the equidistant ground cone of inserting of setting of a plurality of, the bottom of base box is equipped with a plurality of round hole, a plurality of the round hole inserts ground cone one-to-one with a plurality of, the drive block is installed on the outer wall of drive plate to the one end of drive block extends to the outside of base box, hydraulic push rod is vertical to be set up on the outer wall of base box, and hydraulic push rod's output is connected with the drive block.
The invention provides a use method of an internal protection device of a DTU spliced interval ring main unit, which comprises the following steps,
s1, a hydraulic push rod drives a driving block and a driving plate to move downwards, and the driving plate drives a plurality of ground inserting cones to be inserted into ground soil through a plurality of round holes;
s2, outside air is filtered by a filter screen and then sequentially enters the ventilation box through the ventilation groove and the ventilation groove, and then the air in the ventilation box enters the ring main unit body for ventilation;
s3, rainwater quickly flows into the water collecting tank through the herringbone rain shielding plate in rainy days, the liquid level in the water collecting tank slowly rises, the liquid level in the water collecting cylinder slowly rises, the buoyancy of the floating plate drives the floating plate to slowly float upwards, and the floating plate drives the moving plate to slowly slide upwards on the outer wall of the ventilation box by using the hollow plastic pipe, the hollow plastic plate, the plastic vertical rod and the plastic cross rod until the moving plate slides upwards to completely block the filter screen;
s4, the winding motor drives the winding roller to rotate, the winding roller drives the tail end of the steel rope to wind on the surface of the winding roller, the steel rope drives the pull ring and the pull plate to move upwards by using the first pulley and the second pulley, the pull plate drives the fixing plate to move upwards by using the two lifting plates, the fixing plate drives the ring main unit body to move upwards to a proper height, the lead screw sliding table drives the connecting plate to reciprocate for a certain distance while the winding roller rotates, the connecting plate drives the sliding seat to reciprocate on the sliding groove for a certain distance, and the sliding seat drives the winding roller to reciprocate for a certain distance so that the tail end of the steel rope is convenient to wind on the surface of the winding roller;
s5, when the temperature sensor senses that the temperature in the ring main unit is too high, the air pump works to pump liquid nitrogen in the liquid nitrogen tank to enter the cooling pipe through the first air pipe and the second air pipe, and then the air injection heads on the plurality of air injection pipes spray the liquid nitrogen into the ring main unit for rapid cooling.
The invention provides an internal protection device of a DTU spliced interval ring main unit and a use method thereof through improvement, and compared with the prior art, the internal protection device has the following improvement and advantages:
the method comprises the following steps: according to the invention, the two ventilation assemblies work to ventilate and dissipate heat in the ring main unit body, and under the condition of rain, the closing assembly works to drive the bottom ends of the two ventilation assemblies to move upwards for a certain distance to realize closing operation, so that rain is prevented from entering the ring main unit body, meanwhile, the upward moving assembly works to drive the pull plate and the two lifting plates to move upwards, and the two lifting plates drive the height plate and the ring main unit body to move upwards to a proper height, so that water is prevented from entering the ring main unit body, and further, the safety of electric elements in the ring main unit body is prevented from being influenced by rain and water.
And two,: according to the invention, rainwater quickly flows into the water collection tank, the liquid level in the water collection tank slowly rises, the liquid level in the water collection barrel slowly rises, the buoyancy of the floating plate drives the floating plate to slowly float upwards, the floating plate drives the movable plate to slowly slide upwards on the outer wall of the ventilation box by using the hollow plastic pipe, the hollow plastic plate, the plastic vertical rod and the plastic cross rod, and the movable plate is convenient to move upwards to close the ventilation groove, so that rainwater is prevented from entering the ring main unit.
And thirdly,: according to the invention, when the temperature sensor senses that the temperature in the ring main unit is overhigh, the air pump works to pump the liquid nitrogen in the liquid nitrogen tank to enter the cooling pipe through the first air pipe and the second air pipe, and then the air injection heads on the plurality of air injection pipes spray the liquid nitrogen into the ring main unit for rapid cooling, so that the damage of electrical components in the ring main unit caused by overhigh temperature in the ring main unit is prevented.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a second embodiment of the present invention;
FIG. 3 is a schematic perspective view of a third embodiment of the present invention;
FIG. 4 is a schematic view of a partial perspective view of the present invention;
FIG. 5 is a schematic diagram of a partial perspective view of the present invention;
FIG. 6 is a schematic view of a partial perspective view of the present invention;
FIG. 7 is a schematic view of a partial perspective view of the present invention;
FIG. 8 is a schematic view of a partial perspective view of the present invention;
FIG. 9 is a partial cross-sectional view of the invention;
FIG. 10 is a schematic view of a partial perspective view of the present invention;
fig. 11 is a partial cross-sectional view of a second embodiment of the present invention.
Reference numerals illustrate:
the device comprises a mounting frame 1, a pull plate 11, a fixed plate 12, a rain shielding inclined plate 13, a ring main unit 2, an access door 21, a handle 22, a safety warning board 23, a bearing frame 24, a herringbone rain shielding plate 25, an upward moving component 3, a sliding groove 31, a sliding seat 32, a winding roller 33, a winding motor 34, a supporting plate 35, a screw sliding table 36, a connecting plate 361, a first fixed seat 37, a first pulley 371, a second fixed seat 38, a second pulley 381, a pull ring 39, a steel rope 391, a closing component 4, a water collecting tank 41, a buoyancy linkage part 42, a water collecting cylinder 43, a floating plate 44, a hollow plastic pipe 45, a hollow plastic plate 46, a plastic vertical rod 47, a plastic cross rod 48, a water passing groove 49, a cooling component 5, a heat insulating cover 51, a liquid nitrogen tank 52, an air pump 53, a cooling pipe 54, a first air pipe 55, a second air pipe 56, a temperature sensor 57, an air spraying pipe 58, an air spraying head 59, a guide rail 6, a lifting plate 7, a ventilation component 8, a ventilation box 81, a moving plate 82, a ventilation box 83, a through groove 84, air spraying grooves 85, 86, a ground component 9, a box 91, a bottom box 92, a driving cone, a guide rail 96, a hydraulic driving cone 96, a push rod 96, a round hole, a push rod 96, a ventilation block 92.
Description of the embodiments
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-9, an internal protection device of a DTU spliced spaced ring main unit comprises a mounting frame 1, a pull plate 11, a fixed plate 12, a ring main unit body 2, an upward moving component 3, a closing component 4, a cooling component 5, two guide rails 6, two lifting plates 7 and two ventilation components 8, wherein the two guide rails 6 are symmetrically arranged on the inner wall of the mounting frame 1, the two lifting plates 7 are respectively and slidably arranged on the two guide rails 6, two ends of the pull plate 11 are respectively connected with the inner walls of the two lifting plates 7, the fixed plate 12 is arranged at the top ends of the two lifting plates 7, the ring main unit body 2 is arranged at the top of the fixed plate 12, the upward moving component 3 is arranged on the outer wall of the mounting frame 1, the bottom end of the upward moving component 3 is connected with the top of the pull plate 11, the two lifting components 8 are symmetrically arranged on the outer wall of the ring main unit body 2, the closing component 4 is arranged on the outer wall of the ring main unit body 2, two ends of the closing component 4 are respectively extended to the inner walls of the ring main unit body 2, the bottom ends of the two lifting components 8 are respectively connected with the inner walls of the two lifting plates 7, the ring main unit body 5 are respectively, and the cooling components 5 are arranged at one end of the cooling component 2 is extended to the inner cooling unit 2; the inside to looped netowrk cabinet body 2 is ventilated and radiated through two ventilation assembly 8 work, under the rainwater weather, the bottom upward movement of two ventilation assembly 8 is driven to closed operation by the work of closed assembly 4, prevent that the rainwater from entering into the looped netowrk cabinet body 2, upward movement assembly 3 work drives arm-tie 11 and two lifter plates 7 upward movement simultaneously, two lifter plates 7 drive high board and looped netowrk cabinet body 2 upward movement to suitable height, prevent that ponding from entering into the looped netowrk cabinet body 2, and then avoid rainwater and ponding to influence the safety of electrical components in the looped netowrk cabinet body 2.
Specifically, the ventilation assembly 8 includes a ventilation box 81, a moving plate 82 and a plurality of ventilation drums 83, the ventilation box 81 is mounted on the outer wall of the ring main unit 2, the ventilation box 81 is communicated with the inside of the ring main unit 2, the ventilation drums 83 are arranged in the ventilation box 81 at equal intervals, the ventilation drums 83 are provided with through grooves 84, the outer wall of the ventilation box 81 is provided with a plurality of ventilation grooves 85, the ventilation grooves 85 are in one-to-one correspondence with the through grooves 84 on the ventilation drums 83, a filter screen 86 is arranged in each ventilation groove 85, and the moving plate 82 is slidably mounted on the outer wall of the ventilation box 81; through outside air through the filtration of filter screen 86 in proper order through ventilation groove 85 and logical inslot 84 entering to ventilation case 81, then the air in the ventilation case 81 enters into looped netowrk cabinet body 2 and ventilates, under the rainwater weather, the closure subassembly 4 drives movable plate 82 slowly upwards to slide on the outer wall of ventilation case 81, until movable plate 82 upwards slides to block filter screen 86 completely, ventilation groove 85 realizes the closure, prevents that the rainwater from entering into looped netowrk cabinet body 2.
Specifically, the closing component 4 includes a water collection tank 41 and two buoyancy linkage components 42, the water collection tank 41 is installed on the outer wall of the ring main unit 2, the two buoyancy linkage components 42 are symmetrically arranged in the water collection tank 41, the bottom ends of the two buoyancy linkage components 42 are respectively connected with the bottom ends of the moving plates 82 in the two ventilation components 8, each buoyancy linkage component 42 includes a water collection cylinder 43, a floating plate 44, a hollow plastic pipe 45, a hollow plastic plate 46, a plastic vertical rod 47 and a plastic cross rod 48, the water collection cylinder 43 is vertically arranged in the water collection tank 41, a plurality of water through grooves 49 are arranged on the outer wall of the water collection cylinder 43, the floating plate 44 is slidably installed in the water collection cylinder 43, the hollow plastic pipe 45 is vertically arranged at the top of the floating plate 44, the top ends of the hollow plastic pipe 45 extend to the upper side of the water collection tank 41, the hollow plastic plate 46 is horizontally arranged at the top of the hollow plastic pipe 45, the plastic vertical rod 47 is vertically arranged at the bottom of the hollow plastic plate 46, the bottom ends of the plastic vertical rod 47 extend to the side of the moving plates 82, and the bottom ends of the plastic vertical rod 47 are respectively connected with the bottom ends of the plastic rod 82 and the plastic cross rods 48; through the rainwater inflow to header tank 41 fast, the liquid level in header tank 41 slowly rises, and the liquid level in the water-collecting cylinder 43 rises thereupon slowly, and the buoyancy of kickboard 44 drives its slowly come-up, and kickboard 44 utilizes cavity plastic tubing 45, cavity plastic board 46, plastics montant 47 and plastics horizontal pole 48 to drive movable plate 82 and slowly upwards slide on the outer wall of ventilation case 81, makes things convenient for movable plate 82 upwards to remove and realizes the closure to ventilation groove 85, prevents that the rainwater from entering into in the looped netowrk cabinet body 2.
Specifically, the up-shifting assembly 3 includes a chute 31, a sliding seat 32, a winding roller 33, a winding motor 34, a supporting plate 35, a screw sliding table 36, a connecting plate 361, a first fixing seat 37, a second fixing seat 38, a pull ring 39 and a steel rope 391, wherein the chute 31 is horizontally arranged on the outer wall of the mounting frame 1, the sliding seat 32 is slidably installed on the chute 31, the winding roller 33 is rotatably installed in the sliding seat 32, the winding motor 34 is horizontally arranged on the outer wall of the sliding seat 32, an output shaft of the winding motor 34 is connected with the winding roller 33, the supporting plate 35 is horizontally arranged on the outer wall of the mounting frame 1, the screw sliding table 36 is horizontally arranged at the top of the supporting plate 35, the connecting plate 361 is installed on the moving end of the screw sliding table 36, the connecting plate 361 is connected with the sliding seat 32, the first fixing seat 37 is arranged on the outer wall of the top end of the mounting frame 1, the second fixing seat 38 is arranged on the top of the mounting frame 1, the first fixing seat 37 and the second fixing seat 38 are rotatably installed with a first inner pulley 371 and a second pulley 371, the top 39 is installed on the top of the mounting frame 11, the tail end of the steel rope 381 passes through the first pulley 381 and the second pulley 391 is connected with the second pulley 391; the winding motor 34 is used for driving the winding roller 33 to rotate, the winding roller 33 drives the tail end of the steel rope 391 to wind on the surface of the winding roller, the first pulley 371 and the second pulley 381 are used for driving the pull ring 39 and the pull plate 11 to move upwards, the pull plate 11 drives the fixed plate 12 to move upwards by using the two lifting plates 7, the fixed plate 12 drives the ring main unit 2 to move upwards to a proper height, water is prevented from entering the ring main unit 2, the lead screw sliding table 36 drives the connecting plate 361 to reciprocate a certain distance while the winding roller 33 rotates, the connecting plate 361 drives the sliding seat 32 to reciprocate on the sliding groove 31 a certain distance, and the sliding seat 32 drives the winding roller 33 to reciprocate a certain distance to facilitate winding of the tail end of the steel rope 391 on the surface of the winding roller.
Specifically, the cooling component 5 comprises a heat insulation cover 51, a liquid nitrogen tank 52, an air pump 53, a cooling pipe 54, a first air pipe 55, a second air pipe 56 and a temperature sensor 57, wherein the heat insulation cover 51 is installed on the outer wall of the ring main unit 2, the liquid nitrogen tank 52 is horizontally arranged in the heat insulation cover 51, the cooling pipe 54 is horizontally arranged at the top end of the interior of the ring main unit 2, a plurality of air injection pipes 58 are arranged at the bottom of the cooling pipe 54, an air injection head 59 is arranged at the bottom of the air injection pipe 58, the air pump 53 is horizontally arranged at the top of the heat insulation cover 51, two ends of the first air pipe 55 are respectively communicated with the input end of the air pump 53 and the liquid nitrogen tank 52, two ends of the second air pipe 56 are respectively communicated with the output end of the air pump 53 and the cooling pipe 54, and the temperature sensor 57 is installed at the top end of the interior of the ring main unit 2; when the temperature sensor 57 senses that the temperature in the ring main unit body 2 is too high, the air pump 53 works to extract the liquid nitrogen in the liquid nitrogen tank 52 to enter the cooling pipe 54 through the first air pipe 55 and the second air pipe 56, and then the air injection heads 59 on the plurality of air injection pipes 58 inject the liquid nitrogen into the ring main unit body 2 to quickly cool, so that damage to electrical components in the ring main unit body 2 caused by the too high temperature is prevented.
Specifically, two access doors 21 are hinged to the outer wall of the ring main unit body 2, a handle 22 is arranged on each access door 21, and a safety warning board 23 is arranged at the top end of each access door 21; two access doors 21 conveniently overhaul in the looped netowrk cabinet body 2, and safety warning sign 23 is used for reminding passersby that there is electric danger, forbids its to be close to.
Specifically, a bearing frame 24 is arranged at the top of the ring main unit body 2, and a herringbone rain shield 25 is arranged at the top end of the bearing frame 24; the herringbone rain shield 25 facilitates rapid inflow of rainwater into the water collection tank 41.
Specifically, the top of the mounting frame 1 is provided with a rain shielding inclined plate 13; the rain shielding inclined plate 13 shields the winding motor 34 and the screw rod sliding table 36 from rain, so that water inflow is prevented from being disabled.
Example two
As shown in fig. 10-11, an internal protection device of a DTU spliced spaced ring main unit is basically the same as that of embodiment 1, a ground inserting assembly 9 is arranged at the bottom of the mounting frame 1, the ground inserting assembly 9 comprises a bottom box 91, a driving plate 92, a driving block 93, a hydraulic push rod 94 and two guide rods 95, the bottom box 91 is arranged at the bottom of the mounting frame 1, the two guide rods 95 are symmetrically arranged inside the bottom box 91, the driving plate 92 is slidably arranged on the two guide rods 95, a plurality of ground inserting cones 96 which are arranged at equal intervals are arranged at the bottom of the driving plate 92, a plurality of round holes 97 are arranged at the bottom of the bottom box 91 and correspond to the plurality of ground inserting cones 96 one by one, the driving block 93 is arranged on the outer wall of the driving plate 92, one end of the driving block 93 extends to the outside of the bottom box 91, the hydraulic push rod 94 is vertically arranged on the outer wall of the bottom box 91, and the output end of the hydraulic push rod 94 is connected with the driving block 93; the driving block 93 and the driving plate 92 are driven to move downwards through the work of the hydraulic push rod 94, the driving plate 92 drives a plurality of ground inserting cones 96 to be inserted into the ground soil through a plurality of round holes 97, the stable installation frame 1 is ensured to be fixed with the ground, and meanwhile, the bottom box 91 is arranged to heighten the height of the installation frame 1, so that ponding is prevented from entering the installation frame 1.
Example III
The invention also discloses a use method of the internal protection device of the DTU spliced interval ring main unit, which comprises the following steps,
s1, a hydraulic push rod 94 drives a driving block 93 and a driving plate 92 to move downwards, and the driving plate 92 drives a plurality of ground inserting cones 96 to be inserted into ground soil through a plurality of round holes 97;
s2, outside air is filtered by a filter screen 86 and then sequentially enters a ventilation box 81 through a ventilation groove 85 and a ventilation groove 84, and then the air in the ventilation box 81 enters a ring main unit 2 for ventilation;
s3, in rainy days, rainwater rapidly flows into the water collection tank 41 through the herringbone rain baffle 25, the liquid level in the water collection tank 41 slowly rises, the liquid level in the water collection barrel 43 slowly rises along with the water level, the buoyancy of the floating plate 44 drives the floating plate to slowly float upwards, and the floating plate 44 drives the movable plate 82 to slowly slide upwards on the outer wall of the ventilation box 81 by using the hollow plastic pipe 45, the hollow plastic plate 46, the plastic vertical rods 47 and the plastic cross rods 48 until the movable plate 82 slides upwards to completely block the filter screen 86;
s4, a winding motor 34 drives a winding roller 33 to rotate, the winding roller 33 drives the tail end of a steel rope 391 to wind on the surface of the winding roller, the steel rope 391 drives a pull ring 39 and a pull plate 11 to move upwards by using a first pulley 371 and a second pulley 381, the pull plate 11 drives a fixed plate 12 to move upwards by using two lifting plates 7, the fixed plate 12 drives a ring main unit 2 to move upwards to a proper height, a screw rod sliding table 36 drives a connecting plate 361 to reciprocate a certain distance while the winding roller 33 rotates, the connecting plate 361 drives a sliding seat 32 to reciprocate on a sliding groove 31 a certain distance, and the sliding seat 32 drives the winding roller 33 to reciprocate a certain distance to facilitate the tail end of the steel rope 391 to wind on the surface of the winding roller;
s5, when the temperature sensor 57 senses that the temperature in the ring main unit body 2 is too high, the air pump 53 works to pump the liquid nitrogen in the liquid nitrogen tank 52, the liquid nitrogen enters the cooling pipe 54 through the first air pipe 55 and the second air pipe 56, and then the air jet heads 59 on the plurality of air jet pipes 58 jet the liquid nitrogen into the ring main unit body 2 to quickly cool.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An inside protection device of DTU concatenation interval formula looped netowrk cabinet, its characterized in that: including mounting bracket (1), arm-tie (11), fixed plate (12), looped netowrk cabinet body (2), upward shift subassembly (3), closed subassembly (4), cooling subassembly (5), two guide rail (6), two lifter plates (7) and two ventilation subassembly (8), two guide rail (6) symmetry set up on the inner wall of mounting bracket (1), two lifter plates (7) slidable mounting respectively on two guide rail (6), the both ends of arm-tie (11) are connected with the inner wall of two lifter plates (7) respectively, the top at two lifter plates (7) is installed to fixed plate (12), looped netowrk cabinet body (2) set up at the top of fixed plate (12), upward shift subassembly (3) set up on the outer wall of mounting bracket (1) to the bottom of upward shift subassembly (3) is connected with the top of arm-tie (11), two ventilation subassembly (8) symmetry set up on the outer wall of looped netowrk cabinet body (2), closed subassembly (4) are installed on the outer wall of two looped netowrk cabinet body (2) and are connected to the both ends of closed subassembly (5) on the outer wall of two looped netowrk cabinet body (4) respectively, and one end of the cooling component (5) extends to the inner top end of the ring main unit body (2).
2. The internal protection device of a DTU splice-spacer ring main unit as recited in claim 1, wherein: the utility model provides a ventilation subassembly (8) is including ventilation case (81), movable plate (82) and a plurality of ventilation tube (83), ventilation case (81) are installed on the outer wall of looped netowrk cabinet body (2) to ventilation case (81) are linked together with the inside of looped netowrk cabinet body (2), a plurality of ventilation tube (83) equidistant setting is in ventilation case (81), a plurality of all be equipped with logical groove (84) on ventilation tube (83), be equipped with a plurality of ventilation groove (85) on the outer wall of ventilation case (81), a plurality of logical groove (84) one-to-one on ventilation groove (85) and a plurality of ventilation tube (83), every all be equipped with filter screen (86) in ventilation groove (85), movable plate (82) slidable mounting is on the outer wall of ventilation case (81).
3. The internal protection device of a DTU splice-spacer ring main unit as recited in claim 2, wherein: the closing assembly (4) comprises a water collecting tank (41) and two buoyancy linkage parts (42), wherein the water collecting tank (41) is arranged on the outer wall of a ring main unit (2), the two buoyancy linkage parts (42) are symmetrically arranged in the water collecting tank (41), the bottom ends of the two buoyancy linkage parts (42) are respectively connected with the bottom ends of moving plates (82) in two ventilation assemblies (8), each buoyancy linkage part (42) comprises a water collecting cylinder (43), a floating plate (44), hollow plastic pipes (45), a hollow plastic plate (46), plastic vertical rods (47) and a plastic cross rod (48), the water collecting cylinder (43) is vertically arranged in the water collecting tank (41), a plurality of water through tanks (49) are arranged on the outer wall of the water collecting cylinder (43), the floating plates (44) are slidably arranged in the water collecting cylinder (43), the hollow plastic pipes (45) are vertically arranged at the top of the floating plates (44) and extend to the upper side of the water collecting tank (41), the hollow plastic pipes (45) are horizontally arranged at the bottom ends of the hollow plastic plates (46) and extend to the bottom ends of the plastic plates (47) at the side of the hollow plastic plates (47), the two ends of the plastic cross rod (48) are respectively connected with the bottom ends of the plastic vertical rods (47) and the bottom ends of the movable plates (82).
4. The internal protection device of a DTU splice-spacer ring main unit as recited in claim 1, wherein: the upward moving component (3) comprises a sliding groove (31), a sliding seat (32), a winding roller (33), a winding motor (34), a supporting plate (35), a screw rod sliding table (36), a connecting plate (361), a first fixing seat (37), a second fixing seat (38), a pull ring (39) and a steel rope (391), wherein the sliding groove (31) is horizontally arranged on the outer wall of the installation frame (1), the sliding seat (32) is slidably arranged on the sliding groove (31), the winding roller (33) is rotatably arranged in the sliding seat (32), the winding motor (34) is horizontally arranged on the outer wall of the sliding seat (32), an output shaft of the winding motor (34) is connected with the winding roller (33), the supporting plate (35) is horizontally arranged on the outer wall of the installation frame (1), the screw rod sliding table (36) is horizontally arranged at the top of the supporting plate (35), the connecting plate (361) is arranged on the moving end of the screw rod sliding table (36), the connecting plate (361) is connected with the sliding seat (32), the first fixing seat (37) is arranged on the outer wall of the installation frame (1), the second fixing seat (38) is arranged at the top of the installation frame (1), the first pulley (371) and the second pulley (381) are respectively rotatably mounted in the first fixing seat (37) and the second fixing seat (38), the pull ring (39) is mounted at the top of the pull plate (11), the tail end of the steel rope (391) is connected with the winding roller (33), and the head end of the steel rope (391) passes through the first pulley (371) and the second pulley (381) once and then is connected with the pull ring (39).
5. The internal protection device of a DTU splice-spacer ring main unit as recited in claim 1, wherein: the cooling component (5) comprises a heat insulation cover (51), a liquid nitrogen tank (52), an air pump (53), a cooling pipe (54), a first air pipe (55), a second air pipe (56) and a temperature sensor (57), wherein the heat insulation cover (51) is installed on the outer wall of a ring main unit (2), the liquid nitrogen tank (52) is horizontally arranged in the heat insulation cover (51), the cooling pipe (54) is horizontally arranged at the top end of the inner part of the ring main unit (2), a plurality of air injection pipes (58) are arranged at the bottom of the cooling pipe (54), an air injection head (59) is arranged at the bottom of the air injection pipe (58), the air pump (53) is horizontally arranged at the top of the heat insulation cover (51), two ends of the first air pipe (55) are respectively communicated with the input end of the air pump (53) and the liquid nitrogen tank (52), two ends of the second air pipe (56) are respectively communicated with the output end of the air pump (53) and the cooling pipe (54), and the temperature sensor (57) is installed inside the ring main unit (2).
6. The internal protection device of a DTU splice-spacer ring main unit as recited in claim 1, wherein: two access doors (21) are hinged to the outer wall of the ring main unit body (2), a handle (22) is arranged on each access door (21), and a safety warning board (23) is arranged at the top end of each access door (21).
7. The internal protection device of a DTU splice-spacer ring main unit as recited in claim 1, wherein: the top of looped netowrk cabinet body (2) is equipped with bears frame (24), the top of bearing frame (24) is installed herringbone weather shield (25).
8. The internal protection device of a DTU splice-spacer ring main unit as recited in claim 1, wherein: the top of the mounting frame (1) is provided with a rain shielding inclined plate (13).
9. The internal protection device of a DTU splice-spacer ring main unit as recited in claim 1, wherein: the bottom of mounting bracket (1) is equipped with and inserts ground subassembly (9), insert ground subassembly (9) including base box (91), drive plate (92), drive piece (93), hydraulic push rod (94) and two guide bars (95), base box (91) set up the bottom at mounting bracket (1), two guide bars (95) symmetry set up the inside at base box (91), drive plate (92) slidable mounting is on two guide bars (95), the bottom of drive plate (92) is equipped with ground awl (96) that insert of equidistant setting of a plurality of, the bottom of base box (91) is equipped with a plurality of round hole (97), a plurality of round hole (97) and a plurality of ground awl (96) one-to-one that inserts, drive piece (93) are installed on the outer wall of drive plate (92) to the one end of drive piece (93) extends to the outside of base box (91), hydraulic push rod (94) are vertical to be set up on the outer wall of base box (91) to the output of hydraulic push rod (94) is connected with drive piece (93).
10. The method for using the internal protection device of the DTU splice-spaced ring main unit according to any one of claims 1 to 9, wherein: comprises the steps of,
s1, a hydraulic push rod (94) drives a driving block (93) and a driving plate (92) to move downwards, and the driving plate (92) drives a plurality of ground inserting cones (96) to be inserted into ground soil through a plurality of round holes (97);
s2, outside air is filtered by a filter screen (86) and then sequentially enters a ventilation tank (81) through a ventilation groove (85) and a ventilation groove (84), and then the air in the ventilation tank (81) enters a ring main unit (2) for ventilation;
s3, enabling rainwater to quickly flow into the water collecting tank (41) through the herringbone rain shielding plate (25) in rainy days, slowly increasing the liquid level in the water collecting tank (41), slowly increasing the liquid level in the water collecting cylinder (43), enabling the floating plate (44) to slowly float upwards by buoyancy, and enabling the floating plate (44) to drive the movable plate (82) to slowly slide upwards on the outer wall of the ventilation box (81) by means of the hollow plastic pipe (45), the hollow plastic plate (46), the plastic vertical rod (47) and the plastic cross rod (48) until the movable plate (82) slides upwards to completely block the filter screen (86);
s4, a winding motor (34) drives a winding roller (33) to rotate, the winding roller (33) drives the tail end of a steel rope (391) to wind on the surface of the winding roller, the steel rope (391) drives a pull ring (39) and a pull plate (11) to move upwards by using a first pulley (371) and a second pulley (381), the pull plate (11) drives a fixed plate (12) to move upwards by using two lifting plates (7), the fixed plate (12) drives a ring main unit (2) to move upwards to a proper height, a screw sliding table (36) drives a connecting plate (361) to move back and forth for a certain distance while the winding roller (33) rotates, the connecting plate (361) drives a sliding seat (32) to move back and forth on a sliding groove (31) for a certain distance, and the sliding seat (32) drives the winding roller (33) to move back and forth for a certain distance to facilitate the tail end of the steel rope (391) to wind on the surface of the winding roller;
s5, when the temperature sensor (57) senses that the temperature in the ring main unit body (2) is too high, the air pump (53) works to extract liquid nitrogen in the liquid nitrogen tank (52) to enter the cooling pipe (54) through the first air pipe (55) and the second air pipe (56), and then the air injection heads (59) on the plurality of air injection pipes (58) spray the liquid nitrogen into the ring main unit body (2) to rapidly cool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310359752.6A CN116345345B (en) | 2023-04-06 | 2023-04-06 | Internal protection device of DTU spliced interval type ring main unit and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310359752.6A CN116345345B (en) | 2023-04-06 | 2023-04-06 | Internal protection device of DTU spliced interval type ring main unit and use method |
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| CN116345345A true CN116345345A (en) | 2023-06-27 |
| CN116345345B CN116345345B (en) | 2024-01-05 |
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| CN214204377U (en) * | 2021-01-19 | 2021-09-14 | 武汉辰宇电气有限公司 | Switch board with structure of keeping off rain |
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| CN114976936A (en) * | 2022-04-20 | 2022-08-30 | 孟炎彬 | Intelligent electric power cabinet system based on cloud computing |
| CN115588913A (en) * | 2022-06-02 | 2023-01-10 | 杨红刚 | Electric power cabinet with shock absorption protection function and use method thereof |
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|---|---|---|---|---|
| CN214204377U (en) * | 2021-01-19 | 2021-09-14 | 武汉辰宇电气有限公司 | Switch board with structure of keeping off rain |
| CN216055967U (en) * | 2021-10-19 | 2022-03-15 | 南京飞阳输变电工程有限公司 | Outdoor electric power cabinet capable of achieving high-speed heat dissipation |
| CN114667026A (en) * | 2022-03-09 | 2022-06-24 | 刘五晴 | Power equipment control cabinet and assembling method thereof |
| CN114976936A (en) * | 2022-04-20 | 2022-08-30 | 孟炎彬 | Intelligent electric power cabinet system based on cloud computing |
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