CN115064341A - Energy-saving transformer protection system and protection method thereof - Google Patents
Energy-saving transformer protection system and protection method thereof Download PDFInfo
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- CN115064341A CN115064341A CN202210613003.7A CN202210613003A CN115064341A CN 115064341 A CN115064341 A CN 115064341A CN 202210613003 A CN202210613003 A CN 202210613003A CN 115064341 A CN115064341 A CN 115064341A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- Health & Medical Sciences (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an energy-saving transformer protection system, and belongs to the technical field of transformer protection equipment. An energy-saving transformer protection system, includes transformer main body and covers the lower protective housing of the open-top of transformer main body outside, still includes: the movable sand blasting mechanism is arranged at the edge of the top of the lower protective shell; the upper protective shell is arranged right above the lower protective shell through a U-shaped bracket; the edge of the upper protective shell is provided with a material storage tank which is communicated end to end, and the inner side wall of the top of the upper protective shell is provided with evenly distributed sand storage hoppers with inverted circular truncated cone structures; the invention solves the problems that the drop point of the fine sand is fixed, the fire can not be extinguished in a targeted manner, and the position of the drop port of the fine sand is fixed, so that the fire extinguishing efficiency is low in the prior art, and the fine sand can be recycled, thereby realizing the fire extinguishing function of a dynamic fire extinguishing point and ensuring the continuous supply of the fine sand.
Description
Technical Field
The invention relates to the technical field of transformer protection equipment, in particular to an energy-saving transformer protection system and a protection method thereof.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core (magnetic core), and the main functions of the transformer are voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer) and the like.
In the prior art, the invention patent with the patent application number of CN201910971373.6 discloses a 'protection structure of a transformer', which relates to the field of transformer protection equipment, and comprises a fireproof structure, a lifting structure, a protection structure and a transformer body, wherein the lifting structure is installed on the top side of the transformer body, the fireproof structure is arranged right above the lifting structure, a lifting motor is installed on the bottom side of a supporting surface of a fixing frame through screw cooperation, four groups of protection structures are arranged around the transformer body, a bearing plate and a protection screen plate are arranged around the transformer body, and the impact force of the outside on the transformer body is buffered under the action of a buffer spring and a reset spring, so that the damage of the transformer by the external force is avoided; through elevation structure, can realize protective structure's lift, be convenient for maintain the maintenance of transformer, through being provided with fire resistive construction, can bury through fine sand when the transformer breaks down and catches fire, can in time put out a fire, avoid the intensity of a fire to stretch ", still have following defect:
(1) the drop point of the fine sand is fixed, so that the fire can not be extinguished in a targeted manner, and the fire extinguishing efficiency is low due to the fixed position of the drop port of the fine sand;
(2) the sand storage amount in the sand box is limited, and the dropped fine sand can not be recycled, so that the fire extinguishing function is poor.
Disclosure of Invention
The invention aims to solve the problems that fire extinguishing can not be carried out on an ignition point in a targeted mode, the fire extinguishing efficiency is low due to the fact that the position of a fine sand falling port is fixed, the sand storage amount in a sand box is limited, and the falling fine sand cannot be recycled, so that the fire extinguishing function is poor in the prior art, and provides an energy-saving transformer protection system.
In order to achieve the purpose, the invention adopts the following technical scheme:
an energy efficient transformer containment system comprising a transformer body and a top-opening lower containment case covering an exterior of the transformer body, further comprising:
the movable sand blasting mechanism is arranged at the edge of the top of the lower protective shell;
the upper protective shell is arranged right above the lower protective shell through a U-shaped bracket;
the transformer comprises an upper protective shell, a transformer main body, a sand storage hopper, a plastic sealing film and a transformer main body, wherein the edge of the upper protective shell is provided with a material storage groove which is communicated end to end, the inner side wall of the top of the upper protective shell is provided with the sand storage hopper with an inverted circular truncated cone structure which is uniformly distributed, one side of the sand storage hopper, which faces the transformer main body, is provided with an opening, and the opening on the sand storage hopper is provided with the plastic sealing film;
the sand material supply mechanism is arranged on one side of the upper protective shell close to the lower protective shell and used for supplying sand materials to the movable sand blasting mechanism;
and the sand material recovery mechanism is arranged between the bottom of the lower protective shell and the storage tank and used for sand material backflow.
Preferably, the movable base is mounted below the lower protective shell through a bracket.
Preferably, still including the canopy of installing at last protective housing top, install the rainfall inductor at the canopy top, install at portable base top and with rainfall inductor signal connection's hydraulic telescoping mechanism, install at the flexible end of hydraulic telescoping mechanism and arrange in the well protective housing of last protective housing inner chamber and set up the louvre on well protective housing, well protective housing encloses the outside of establishing at transformer main part.
Preferably, when the rainfall sensor detects rainwater, the hydraulic telescopic mechanism is in an extension state at the moment, the middle protective shell is positioned between the upper protective shell and the lower protective shell, when the rainfall sensor does not detect rainwater, the hydraulic telescopic mechanism is in a contraction state at the moment, and the middle protective shell is positioned in the inner cavity of the lower protective shell.
Preferably, husky material feed mechanism is including evenly seting up last protective housing be close to down protective housing one side and with the last blanking hole that is circular arrangement of stock chest intercommunication, rotate to be connected in last protective housing bottom and with last blanking hole complex automatic re-setting shutoff subassembly, sliding connection at the collecting hopper of last protective housing bottom, install the pinion rack at collecting hopper one side inside wall and connect in the collecting hopper bottom and with the feed pipe of collecting hopper inner chamber intercommunication.
Preferably, automatic re-setting shutoff subassembly is including evenly installing at the sealed cowling of stock chest tank bottom, rotating the plectane of connecting at the sealed cowling inside wall, fixed connection in plectane bottom center department and the outside dwang that extends of protection casing that makes progress, fixed connection just overlaps the torsional spring at the dwang outer wall between plectane and stock chest tank bottom, fixed connection extend the end and with the gear of last protection casing bottom butt and set up on the gear and with last blanking hole complex blanking hole.
Preferably, the movable sand blasting mechanism comprises a moving assembly mounted at the top edge of the lower protective shell and a sand blasting assembly mounted on the moving assembly;
the moving assembly comprises a toothed track which is arranged at the edge of the top of the lower protective shell and closed end to end, a U-shaped seat connected with the toothed track in a sliding manner, and a driving gear which is arranged on the U-shaped seat and meshed with the toothed track;
the sandblast subassembly is including installing at the mounting bracket of U type seat lateral wall, installing nitrogen gas jar on the mounting bracket, installing at the blast pipe of nitrogen gas jar gas outlet, installing the sand blasting gun on the blast pipe, installing naked light detector on the sand blasting gun and installing the signal processing module on the naked light detector, nitrogen gas jar is provided with the automatically controlled valve with signal processing module communication connection with blast pipe handing-over department, just sand blasting gun and feed pipe intercommunication.
Preferably, husky material recovery mechanism is including installing the return flow fill that protective housing bottom is radius platform type structure under, installing the collector at return flow fill bottom discharge gate, installing and keeping away from the lifting unit that return flow fill one end set up and install the back flow between lifting unit discharge gate and stock chest at the collector.
Preferably, the lifting assembly comprises a lifting pipe connected between the recovery pipe and the return pipe, a driving shaft installed in an inner cavity of the lifting pipe, and a spiral lifting piece installed on an outer side wall of the driving shaft.
A protection method of an energy-saving transformer protection system comprises the following steps:
s1: in a sunny state, when the rainfall sensor does not detect rain, the hydraulic telescopic mechanism is in a contraction state, the middle protective shell is positioned in the inner cavity of the lower protective shell, a certain interval is reserved between the upper protective shell and the lower protective shell at the moment, and a good ventilation and heat dissipation function of the transformer main body can be realized;
s2: under the ignition state of the transformer main body, firstly, an open fire detector senses an ignition point, then a signal processing module in signal connection with the open fire detector controls a driving gear to rotate, the driving gear drives a U-shaped seat to move along a toothed track while rotating, and a material collecting hopper connected through a limiting rod is driven to slide along the bottom of an upper protective shell while moving;
when the collecting hopper slides along the sliding chute at the bottom of the upper protective shell, the toothed plate connected with the inner side wall of the collecting hopper drives the gear in contact with the collecting hopper to rotate, the torsion spring is tightened while the rotating rod rotates along with the gear, the upper blanking hole is aligned with the intermittence of the lower blanking hole, so that the intermittence supply of the fine sand in the storage hopper to the collecting hopper is realized, when the collecting hopper moves to be separated from the gear along the upper protective shell, the gear automatically resets under the effect of the resilience force of the torsion spring, the lower blanking hole is staggered with the upper blanking hole, and the fine sand in the storage hopper is supplied to the clearance of the collecting hopper;
the moving assembly drives the sand blasting gun connected below the collecting hopper through the feeding pipe to move around the transformer main body while moving, fine sand supplied to the collecting hopper by the storage tank enters the sand blasting gun through the feeding pipe, after an open fire signal is detected by the open fire detector, the electric control valve is controlled to be opened through the signal processing module, high-pressure nitrogen is sent to the sand blasting gun through the air supply pipe from the nitrogen tank, the fine sand falling in the sand blasting gun is sprayed to the transformer main body through the sand blasting gun, the dynamic adjustment function of a sand blasting point is realized, the fire extinguishing effect is improved, meanwhile, the nitrogen sprayed by the nitrogen tank enables an anoxic environment to be generated around the transformer main body, and the fire extinguishing effect of the fire extinguisher is further improved;
fine sand sprayed by a sand-blasting gun falls on the bottom of the lower protective shell, then enters the recovery pipe through the backflow hopper with the inverted circular truncated cone structure, is lifted to a high point through the spiral lifting piece in the lifting assembly, and reenters the storage tank through the backflow pipe, so that the recycling of the fine sand is realized, and the problems that the sand storage amount in the sand box is limited, and the falling fine sand cannot be recycled, so that the fire extinguishing function is poor are avoided;
s3: along with the rise of the temperature around the transformer main body, the plastic sealing film at the bottom of the sand storage hopper is gradually melted, and fine sand in the sand storage hopper falls on the top of the transformer main body, so that the fire behavior can be weakened, and the fire extinguishing performance of the device is further improved.
Compared with the prior art, the invention provides an energy-saving transformer protection system, which has the following beneficial effects:
1. according to the energy-saving transformer protection system, the rain-proof and moisture-proof functions in a rainy day state and the ventilation and heat dissipation functions in a fine day state are realized through the arranged rainfall inductor and the lifting-driven middle protection shell.
2. This energy-saving transformer protection system, the portable sandblast mechanism through setting up and the stock chest of intermittent type feed, realized the function of multi-angle developments sandblast, it is fixed to have solved fine sand drop point among the prior art, can not the pertinence put out a fire to the point of being on fire, and fine sand drops a mouthful position and fixes and lead to the problem that the efficiency of putting out a fire is low.
3. This energy-saving transformer protection system retrieves the mechanism through the husky material feed mechanism and the husky material that set up, has guaranteed the continuous supply of fine sand when realizing the function of putting out a fire of dynamic point of putting out a fire, realizes that the size of quantitative fine sand is used, has solved among the prior art sandbox memory sand volume limited, and the fine sand that drops can not recycle, leads to the problem of the function of putting out a fire bad.
4. According to the energy-saving transformer protection system, the sand storage hopper with the plastic sealing film and arranged at the top of the transformer main body is arranged, so that the function of burying and separating the top of the transformer main body is realized, and the function of weakening fire is realized.
5. This energy-saving transformer protection system through the nitrogen gas jar driven sand blasting rifle that sets up, can cause the oxygen deficiency environment around the transformer main part that catches fire again when having realized the injection fire extinguishing function of fine sand, has further improved the fire control effect.
Drawings
FIG. 1 is a schematic structural diagram of an energy-saving transformer protection system according to the present invention;
FIG. 2 is a second schematic structural diagram of the energy-saving transformer protection system according to the present invention;
fig. 3 is a third schematic structural diagram of the energy-saving transformer protection system of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;
FIG. 5 is a first front view of the energy efficient transformer protection system of the present invention;
FIG. 6 is a second front view of the energy saving transformer protection system of the present invention;
FIG. 7 is a side view of the energy efficient transformer guard system of the present invention;
FIG. 8 is an enlarged view of portion B of FIG. 7 according to the present invention;
FIG. 9 is a schematic view of a lifting assembly according to the present invention;
FIG. 10 is a schematic view of the portable sand blasting mechanism of the present invention;
FIG. 11 is a schematic structural view of an upper protective housing according to the present invention;
FIG. 12 is a second schematic structural view of the upper protective casing of the present invention;
FIG. 13 is a schematic structural view of the self-righting block-off assembly of the present invention;
fig. 14 is a connection block diagram of a signal processing module of the present invention.
In the figure: 10. a transformer body; 20. a lower protective housing; 210. a movable base; 30. a movable sand blasting mechanism; 310. a moving assembly; 311. a toothed track; 312. a U-shaped seat; 313. a drive gear; 314. a limiting rod; 320. a sandblasting assembly; 321. a mounting frame; 322. a nitrogen tank; 323. an air supply pipe; 324. a sand blasting gun; 325. an open flame detector; 326. a signal processing module; 327. an electrically controlled valve; 40. an upper protective housing; 410. a storage tank; 420. a sand storage hopper; 430. a plastic sealing film; 440. a rain shelter; 450. a rainfall sensor; 460. a hydraulic telescoping mechanism; 470. a middle protective shell; 480. heat dissipation holes; 50. a sand supply mechanism; 510. feeding a blanking hole; 520. automatically resetting the plugging component; 521. a sealing cover; 522. a circular plate; 523. rotating the rod; 524. a torsion spring; 525. a gear; 526. a drop feed hole; 530. a collection hopper; 540. a toothed plate; 550. a feed pipe; 60. a sand recovery mechanism; 610. a return hopper; 620. a recovery pipe; 630. a lifting assembly; 631. a riser tube; 632. a drive shaft; 633. a spiral lifting piece; 640. a return pipe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Example 1:
referring to fig. 1 to 14, an energy saving type transformer guard system includes a transformer main body 10 and a lower guard casing 20 covering an upper opening of an outside of the transformer main body 10, and further includes:
a movable sand blasting mechanism 30 installed at the top edge of the lower shield shell 20;
an upper protective casing 40 mounted over the lower protective casing 20 by a U-shaped bracket;
wherein, the edge of the upper protective shell 40 is provided with a stock chest 410 which is communicated end to end, the inner side wall of the top of the upper protective shell 40 is provided with evenly distributed sand storage hoppers 420 with an inverted circular truncated cone structure, one side of the sand storage hoppers 420 facing the transformer main body 10 is provided with an opening, and the opening of the sand storage hoppers 420 is provided with a plastic sealing film 430;
a sand supply mechanism 50 installed at one side of the upper protective housing 40 close to the lower protective housing 20 for supplying sand to the movable sand blasting mechanism 30;
the sand recovery mechanism 60 is installed between the bottom of the lower protective casing 20 and the storage tank 410, and is used for sand backflow.
Referring to fig. 1 and 2, a movable base 210 mounted below the lower shield shell 20 by a bracket is further included.
Referring to fig. 5 and 14, the transformer further includes a rain shelter 440 mounted on the top of the upper protective housing 40, a rainfall sensor 450 mounted on the top of the rain shelter 440, a hydraulic telescoping mechanism 460 mounted on the top of the movable base 210 and in signal connection with the rainfall sensor 450, a middle protective housing 470 mounted on the telescoping end of the hydraulic telescoping mechanism 460 and disposed in the inner cavity of the upper protective housing 40, and a heat dissipation hole 480 opened in the middle protective housing 470, wherein the middle protective housing 470 is enclosed outside the transformer body 10.
When the rainfall sensor 450 detects rain, the hydraulic telescoping mechanism 460 is in an extended state at this time, the middle protective shell 470 is located between the upper protective shell 40 and the lower protective shell 20, when the rainfall sensor 450 does not detect rain, the hydraulic telescoping mechanism 460 is in a retracted state at this time, the middle protective shell 470 is located in an inner cavity of the lower protective shell 20, in a fine weather state, when the rainfall sensor 450 does not detect rain, the hydraulic telescoping mechanism 460 is in a retracted state at this time, the middle protective shell 470 is located in an inner cavity of the lower protective shell 20, a certain interval is left between the upper protective shell 40 and the lower protective shell 20 at this time, a good ventilation and heat dissipation function of the transformer main body 10 can be realized, when the rainfall sensor 450 detects rain, the signal processing module 326 processes a signal detected by the rainfall sensor 450 and then controls the hydraulic telescoping mechanism 460 to be in an extended state at this time, the middle protective shell 470 is located between the upper protective shell 40 and the lower protective shell 460 under the extended action of the hydraulic telescoping mechanism 460 Between the bodies 20, the gap between the upper protective shell 40 and the lower protective shell 20 is blocked, and the moisture-proof function in a rainy day state is further realized.
The sand material supply mechanism 50 comprises upper blanking holes 510 which are uniformly formed in one side of the upper protective shell 40 close to the lower protective shell 20 and are communicated with the storage chute 410, an automatic reset plugging assembly 520 which is rotatably connected to the bottom of the upper protective shell 40 and is matched with the upper blanking holes 510, a collecting hopper 530 which is slidably connected to the bottom of the upper protective shell 40, a toothed plate 540 which is arranged on the inner side wall of one side of the collecting hopper 530, and a supply pipe 550 which is connected to the bottom of the collecting hopper 530 and is communicated with the inner cavity of the collecting hopper 530; the automatic-resetting plugging assembly 520 comprises a sealing cover 521 uniformly installed at the bottom of the storage tank 410, a circular plate 522 rotatably connected to the inner side wall of the sealing cover 521, a rotating rod 523 fixedly connected to the center of the bottom of the circular plate 522 and extending to the outside of the upper protection shell 40, a torsion spring 524 fixedly connected between the circular plate 522 and the bottom of the storage tank 410 and sleeved on the outer wall of the rotating rod 523, a gear 525 fixedly connected to the extending end of the rotating rod 523 and abutted against the bottom of the upper protection shell 40, and a blanking hole 526 formed in the gear 525 and matched with the upper blanking hole 510.
Referring to fig. 3, 6, 8 and 10, the mobile blasting mechanism 30 includes a moving assembly 310 mounted at the top edge of the lower shield shell 20 and a blasting assembly 320 mounted on the moving assembly 310; the moving assembly 310 includes a toothed rail 311 installed at the top edge of the lower shield casing 20 to be closed end to end, a U-shaped seat 312 slidably connected to the toothed rail 311, and a driving gear 313 installed on the U-shaped seat 312 and engaged with the toothed rail 311; the sand blasting assembly 320 comprises a mounting frame 321 arranged on the outer side wall of the U-shaped seat 312, a nitrogen tank 322 arranged on the mounting frame 321, a gas feeding pipe 323 arranged at the gas outlet of the nitrogen tank 322, a sand blasting gun 324 arranged on the gas feeding pipe 323, an open fire detector 325 arranged on the sand blasting gun 324 and a signal processing module 326 arranged on the open fire detector 325, wherein an electric control valve 327 in communication connection with the signal processing module 326 is arranged at the joint of the nitrogen tank 322 and the gas feeding pipe 323, and the sand blasting gun 324 is communicated with the gas feeding pipe 550;
in the ignition state of the transformer main body 10, firstly, the open fire detector 325 senses the ignition point, then the signal processing module 326 connected with the open fire detector controls the driving gear 313 to rotate through signals, the driving gear 313 drives the U-shaped seat 312 to move along the toothed track 311 while rotating, and the collecting hopper 530 connected with the limiting rod 314 is driven to slide along the bottom of the upper protective shell 40 while moving; when the collecting hopper 530 slides along the chute at the bottom of the upper protective shell 40, the toothed plate 540 connected with the inner side wall of the collecting hopper 530 drives the gear 525 in contact with the collecting hopper to rotate, the torsion spring 524 tightens while the rotating rod 523 rotates along with the gear 525, the upper blanking hole 510 is aligned with the intermittence of the lower blanking hole 526, so that the intermittence supply of the fine sand in the storage tank 410 to the collecting hopper 530 is realized, when the collecting hopper 530 moves to be separated from the gear 525 along the upper protective shell 40, the gear 525 automatically resets under the effect of the resilience force of the torsion spring 524, the lower blanking hole 526 is staggered with the upper blanking hole 510, and the fine sand in the storage tank 410 is supplied to the gap of the collecting hopper 530; the moving assembly 310 moves and simultaneously drives the sand blasting gun 324 connected below the aggregate bin 530 through the feeding pipe 550 to move around the transformer body 10, fine sand supplied to the aggregate bin 530 by the storage tank 410 enters the sand blasting gun 324 through the feeding pipe 550, after the open fire detector 325 detects an open fire signal, the signal processing module 326 controls the electric control valve 327 to be opened, high-pressure nitrogen is sent to the sand blasting gun 324 through the air pipe 323 from the nitrogen tank 322, the fine sand falling in the sand blasting gun 324 is sprayed to the transformer body 10 through the sand blasting gun 324, the dynamic adjusting function of a sand blasting point is realized, the fire extinguishing effect is improved, meanwhile, nitrogen sprayed by the nitrogen tank 322 enables an anoxic environment to be generated around the transformer body 10, and the fire extinguishing effect of the fire extinguisher is further improved.
Referring to fig. 1, 2, 6 and 9, the sand recovering mechanism 60 includes a backflow bucket 610 installed at the bottom of the lower protective casing 20 and having an inverted circular truncated cone structure, a recovering pipe 620 installed at a discharge port at the bottom of the backflow bucket 610, a lifting assembly 630 installed at one end of the recovering pipe 620 far from the backflow bucket 610, and a backflow pipe 640 installed between a discharge port of the lifting assembly 630 and the storage tank 410; the lifting assembly 630 comprises a lifting pipe 631 connected between the recovery pipe 620 and a return pipe 640, a driving shaft 632 installed in an inner cavity of the lifting pipe 631, and a spiral lifting sheet 633 installed on the outer side wall of the driving shaft 632, fine sand sprayed by the sand blasting gun 324 falls on the bottom of the lower protective shell 20, then enters the recovery pipe 620 through the return hopper 610 with an inverted circular truncated cone structure, and is lifted to a high point through the spiral lifting sheet 633 in the lifting assembly 630, and enters the storage tank 410 again through the return pipe 640, so that the fine sand is recycled, the problem of poor fire extinguishing function caused by the fact that the amount of the fine sand in the sand box is limited and the falling fine sand cannot be recycled is solved.
In a sunny state, when the rainfall sensor 450 does not detect rain, the hydraulic telescoping mechanism 460 is in a contracted state, the middle protective shell 470 is located in the inner cavity of the lower protective shell 20, a certain interval is left between the upper protective shell 40 and the lower protective shell 20 at the moment, and a good ventilation and heat dissipation function of the transformer main body 10 can be realized, in a rainy state, when the rainfall sensor 450 detects rain, the signal processing module 326 processes a signal detected by the rainfall sensor 450 at the moment and then controls the extension state of the hydraulic telescoping mechanism 460, the middle protective shell 470 is located between the upper protective shell 40 and the lower protective shell 20 under the extension action of the hydraulic telescoping mechanism 460, and a gap between the upper protective shell 40 and the lower protective shell 20 is sealed, so that a moisture-proof function in the rainy state is realized; in the ignition state of the transformer main body 10, firstly, the open fire detector 325 senses the ignition point, then the signal processing module 326 connected with the open fire detector controls the driving gear 313 to rotate through signals, the driving gear 313 drives the U-shaped seat 312 to move along the toothed track 311 while rotating, and the collecting hopper 530 connected with the limiting rod 314 is driven to slide along the bottom of the upper protective shell 40 while moving; when the collecting hopper 530 slides along the chute at the bottom of the upper protective shell 40, the toothed plate 540 connected with the inner side wall of the collecting hopper 530 drives the gear 525 in contact with the collecting hopper to rotate, the torsion spring 524 tightens while the rotating rod 523 rotates along with the gear 525, the upper blanking hole 510 is aligned with the intermittence of the lower blanking hole 526, so that the intermittence supply of the fine sand in the storage tank 410 to the collecting hopper 530 is realized, when the collecting hopper 530 moves to be separated from the gear 525 along the upper protective shell 40, the gear 525 automatically resets under the effect of the resilience force of the torsion spring 524, the lower blanking hole 526 is staggered with the upper blanking hole 510, and the fine sand in the storage tank 410 is supplied to the gap of the collecting hopper 530; the moving assembly 310 drives the sand blasting gun 324 connected below the collecting hopper 530 through the feeding pipe 550 to move around the transformer body 10 while moving, fine sand supplied to the collecting hopper 530 by the storage tank 410 enters the sand blasting gun 324 through the feeding pipe 550, after an open fire signal is detected by the open fire detector 325, the signal processing module 326 controls the electric control valve 327 to be opened, high-pressure nitrogen is sent to the sand blasting gun 324 from the nitrogen tank 322 through the air feeding pipe 323, the fine sand falling in the sand blasting gun 324 is sprayed to the transformer body 10 through the sand blasting gun 324, the dynamic adjusting function of a sand blasting point is realized, the fire extinguishing effect is improved, meanwhile, the nitrogen sprayed by the nitrogen tank 322 enables an anoxic environment to be generated around the transformer body 10, and the fire extinguishing effect of the fire extinguisher is further improved; the fine sand sprayed by the sand-blasting gun 324 falls on the bottom of the lower protective shell 20, then enters the recovery pipe 620 through the backflow hopper 610 with the inverted circular truncated cone structure, is lifted to a high point through the spiral lifting sheet 633 in the lifting assembly 630, and reenters the storage tank 410 through the backflow pipe 640, so that the recycling of the fine sand is realized, and the problems that the sand storage amount in the sand box is limited, and the fallen fine sand cannot be recycled, so that the fire extinguishing function is poor are solved; along with the rise of the temperature around the transformer main body 10, the plastic sealing film 430 at the bottom of the sand storage hopper 420 is gradually melted, and fine sand in the sand storage hopper 420 falls on the top of the transformer main body 10, so that the fire behavior can be weakened, and the fire extinguishing performance of the fire extinguisher can be further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An energy-saving transformer protection system, comprising a transformer main body (10) and a lower protection casing (20) covering a top opening outside the transformer main body (10), characterized by further comprising:
a movable sand blasting mechanism (30) installed at the top edge of the lower protective shell (20);
the upper protective shell (40) is arranged right above the lower protective shell (20) through a U-shaped bracket;
the transformer comprises an upper protection shell (40), a sand storage hopper (420), a plastic sealing film (430), a sand storage tank (410), a sand storage hopper and a sand storage tank, wherein the material storage tank is communicated end to end, the sand storage hopper (420) with an inverted circular truncated cone structure is uniformly distributed on the inner side wall of the top of the upper protection shell (40), an opening is formed in one side, facing a transformer main body (10), of the sand storage hopper (420), and the plastic sealing film (430) is arranged at the opening on the sand storage hopper (420);
the sand material supply mechanism (50) is arranged on one side, close to the lower protective shell (20), of the upper protective shell (40) and used for supplying sand materials to the movable sand blasting mechanism (30);
the sand material recycling mechanism (60) is arranged between the bottom of the lower protective shell (20) and the storage tank (410) and used for sand material backflow.
2. The energy efficient transformer guard system according to claim 1, further comprising a movable base (210) mounted below the lower guard housing (20) by brackets.
3. The energy-saving transformer protection system according to claim 2, further comprising a canopy (440) installed on the top of the upper protection housing (40), a rainfall sensor (450) installed on the top of the canopy (440), a hydraulic telescoping mechanism (460) installed on the top of the movable base (210) and in signal connection with the rainfall sensor (450), a middle protection housing (470) installed on the telescoping end of the hydraulic telescoping mechanism (460) and placed in the inner cavity of the upper protection housing (40), and heat dissipation holes (480) opened in the middle protection housing (470), wherein the middle protection housing (470) is enclosed outside the transformer body (10).
4. An energy-saving transformer protection system according to claim 3, characterized in that when the rain sensor (450) detects rain, the hydraulic telescopic mechanism (460) is in an extended state, the middle protection shell (470) is located between the upper protection shell (40) and the lower protection shell (20), when the rain sensor (450) does not detect rain, the hydraulic telescopic mechanism (460) is in a contracted state, and the middle protection shell (470) is located in the inner cavity of the lower protection shell (20).
5. The energy-saving transformer protection system according to claim 4, wherein the sand supply mechanism (50) comprises circularly arranged upper blanking holes (510) uniformly formed in one side of the upper protection shell (40) close to the lower protection shell (20) and communicated with the storage tank (410), an automatic reset plugging assembly (520) rotatably connected to the bottom of the upper protection shell (40) and matched with the upper blanking holes (510), a collecting hopper (530) slidably connected to the bottom of the upper protection shell (40), a toothed plate (540) installed on the inner side wall of one side of the collecting hopper (530), and a supply pipe (550) connected to the bottom of the collecting hopper (530) and communicated with the inner cavity of the collecting hopper (530).
6. The energy efficient transformer guard system according to claim 5, the automatic reset plugging component (520) comprises a sealing cover (521) uniformly arranged at the bottom of the storage tank (410), a circular plate (522) rotatably connected to the inner side wall of the sealing cover (521), a rotating rod (523) fixedly connected to the center of the bottom of the circular plate (522) and extending towards the outside of the upper protection shell (40), a torsion spring (524) fixedly connected between the circular plate (522) and the bottom of the storage tank (410) and sleeved on the outer wall of the rotating rod (523), a gear (525) fixedly connected to the extending end of the rotating rod (523) and abutted against the bottom of the upper protection shell (40), and a blanking hole (526) arranged on the gear (525) and matched with the upper blanking hole (510), when the torsion spring (524) is in a natural state, the material falling hole (526) is staggered with the upper material falling hole (510).
7. The energy efficient transformer guard system according to claim 5, wherein the mobile sand blasting mechanism (30) comprises a moving assembly (310) mounted at a top edge of the lower guard casing (20) and a sand blasting assembly (320) mounted on the moving assembly (310);
the moving assembly (310) comprises a toothed track (311) which is arranged at the edge of the top of the lower protective shell (20) and closed end to end, a U-shaped seat (312) connected with the toothed track (311) in a sliding mode, and a driving gear (313) which is arranged on the U-shaped seat (312) and meshed with the toothed track (311), wherein a limiting rod (314) is rotatably connected between the top of the U-shaped seat (312) and the collecting hopper (530);
sandblast subassembly (320) including installing mounting bracket (321) at U type seat (312) lateral wall, installing nitrogen gas jar (322) on mounting bracket (321), installing blast pipe (323) at nitrogen gas jar (322) gas outlet, installing sand blasting gun (324) on blast pipe (323), installing naked light detector (325) on sand blasting gun (324) and installing signal processing module (326) on naked light detector (325), nitrogen gas jar (322) and blast pipe (323) handing-over department are provided with electric control valve (327) with signal processing module (326) communication connection, just sand blasting gun (324) and feed pipe (550) intercommunication.
8. The energy-saving transformer protection system according to claim 7, wherein the sand recovery mechanism (60) comprises a return hopper (610) installed at the bottom of the lower protection shell (20) and having an inverted frustum-shaped structure, a recovery pipe (620) installed at a bottom discharge port of the return hopper (610), a lifting assembly (630) installed at one end of the recovery pipe (620) far away from the return hopper (610), and a return pipe (640) installed between a discharge port of the lifting assembly (630) and the storage tank (410).
9. The energy-saving transformer protection system according to claim 8, wherein the lifting assembly (630) comprises a lifting pipe (631) connected between the recovery pipe (620) and the return pipe (640), a driving shaft (632) installed in an inner cavity of the lifting pipe (631), and a spiral lifting blade (633) installed on an outer side wall of the driving shaft (632).
10. The protection method of the energy-saving transformer protection system according to any one of claims 1 to 9, characterized by comprising the following steps:
s1: in a sunny state, when the rainfall sensor (450) does not detect rain, the hydraulic telescopic mechanism (460) is in a contracted state, the middle protective shell (470) is located in the inner cavity of the lower protective shell (20), a certain interval is reserved between the upper protective shell (40) and the lower protective shell (20), a good ventilation and heat dissipation function of the transformer main body (10) can be achieved, in a rainy state, when the rainfall sensor (450) detects rain, the signal processing module (326) processes signals detected by the rainfall sensor (450) and then controls the hydraulic telescopic mechanism (460) to be in an extended state, the middle protective shell (470) is located between the upper protective shell (40) and the lower protective shell (20) under the extending action of the hydraulic telescopic mechanism (460), gaps between the upper protective shell (40) and the lower protective shell (20) are sealed, and accordingly a damp-proof function in the rainy state is achieved;
s2: in the fire state of the transformer main body (10), firstly, an open fire detector (325) senses a fire point, then a signal processing module (326) connected with the open fire detector controls a driving gear (313) to rotate through signals of the open fire detector, the driving gear (313) drives a U-shaped seat (312) to move along a toothed track (311) while rotating, and a collecting hopper (530) connected through a limiting rod (314) is driven to slide along the bottom of an upper protective shell (40) while moving;
when the aggregate bin (530) slides along the sliding chute at the bottom of the upper protective shell (40), the toothed plate (540) connected with the inner side wall of the aggregate bin (530) drives the gear (525) in contact with the aggregate bin to rotate, the torsion spring (524) is tightened while the rotating rod (523) rotates along with the gear (525), the upper blanking hole (510) is aligned with the lower blanking hole (526) intermittently, so that the intermittent supply of fine sand in the storage tank (410) to the aggregate bin (530) is realized, when the aggregate bin (530) moves to be separated from the gear (525) along the upper protective shell (40), the gear (525) automatically resets under the resilience of the torsion spring (524), the lower blanking hole (526) is staggered with the upper blanking hole (510), and the fine sand in the storage tank (410) is supplied to the aggregate bin (530) in a clearance mode;
the moving assembly (310) drives the sand blasting gun (324) connected below the collecting hopper (530) through the feeding pipe (550) to move around the transformer main body (10) while moving, fine sand fed into the collecting hopper (530) by the storage tank (410) enters the sand blasting gun (324) through the feeding pipe (550), after the open fire detector (325) detects an open fire signal, the signal processing module (326) controls the electric control valve (327) to open, high-pressure nitrogen is fed into the sand blasting gun (324) from the nitrogen tank (322) through the air feed pipe (323), the fine sand falling in the sand blasting gun (324) is sprayed to the transformer main body (10) through the sand blasting gun (324), thereby realizing the dynamic adjustment function of the sand blasting point, improving the fire extinguishing effect, meanwhile, nitrogen sprayed from the nitrogen tank (322) enables an anoxic environment to be generated around the transformer main body (10), so that the fire extinguishing effect of the transformer is further improved;
fine sand sprayed by a sand blasting gun (324) falls on the bottom of a lower protective shell (20), then enters a recovery pipe (620) through a backflow hopper (610) with an inverted circular truncated cone structure, is lifted to a high point through a spiral lifting sheet (633) in a lifting assembly (630), and reenters a storage tank (410) through a backflow pipe (640), so that the recycling of the fine sand is realized, and the problems that the sand storage amount in a sand box is limited, and the falling fine sand cannot be recycled, so that the fire extinguishing function is poor are solved;
s3: along with the rise of the temperature around the transformer main body (10), the plastic sealing film (430) at the bottom of the sand storage hopper (420) is gradually melted, and fine sand in the sand storage hopper (420) falls on the top of the transformer main body (10), so that the fire behavior can be weakened, and the fire extinguishing performance of the transformer is further improved.
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| CN202210613003.7A CN115064341A (en) | 2022-05-31 | 2022-05-31 | Energy-saving transformer protection system and protection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116743946A (en) * | 2023-08-03 | 2023-09-12 | 南京弘竹泰信息技术有限公司 | Outdoor video signal receiver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116743946A (en) * | 2023-08-03 | 2023-09-12 | 南京弘竹泰信息技术有限公司 | Outdoor video signal receiver |
| CN116743946B (en) * | 2023-08-03 | 2024-01-26 | 南京弘竹泰信息技术有限公司 | Outdoor video signal receiver |
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