CN114203417B - Loss-reducing explosion-proof pressure-relief type transformer - Google Patents
Loss-reducing explosion-proof pressure-relief type transformer Download PDFInfo
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- CN114203417B CN114203417B CN202111409230.XA CN202111409230A CN114203417B CN 114203417 B CN114203417 B CN 114203417B CN 202111409230 A CN202111409230 A CN 202111409230A CN 114203417 B CN114203417 B CN 114203417B
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- explosion
- pressure relief
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 6
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 6
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 6
- 239000001099 ammonium carbonate Substances 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- 239000012530 fluid Substances 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
-
- 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
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a loss-reducing explosion-proof pressure-relief type transformer, which comprises a box body arranged on the outer side of a power tower, wherein an iron core is arranged in the box body, a coil is wound on the outer side of the iron core, and a sleeve is arranged at the top of the box body; further comprises: the oil bins are symmetrically arranged on two sides of the box body, a cavity is formed in the inner side of each oil bin, a motor is arranged in the lower end of each oil bin, a reciprocating screw rod is fixedly arranged at the output end of each motor through bolts, and meanwhile oil suction pipes of the oil bins are arranged; and the regulating mechanism is fixedly arranged on the outer side of the lower surface of the explosion-proof bin. The loss-reducing explosion-proof pressure relief type transformer can circularly filter the internal oil, can realize the cleaning of the outer side of a coil by utilizing the change of the oil level, thereby effectively reducing the loss of an oil medium, simultaneously completing automatic cooling in the pressure relief process, realizing the efficient explosion-proof and fire-extinguishing effects and having high use safety.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a loss-reducing anti-explosion pressure-relief type transformer.
Background
Transformers are indispensable devices of a power system, and the main components of the transformers are a primary coil, a secondary coil and an iron core, and the transformers can be used for converting alternating voltage and current to transmit alternating electric energy, but the existing transformers still have some defects.
According to the automatic temperature control transformer with the publication number of CN111210971B, a temperature control device, a cooling filtering device and a circulating cooling device are arranged, when the automatic induction control electromagnetic valve of the temperature control device is opened … … to pump the transformer oil which is filtered and cooled in a cooling filtering tank into the circulating cooling tank, and the oil pump pumps the transformer oil into the transformer body to circularly cool and change the oil, so that the automatic temperature control transformer has the characteristics of automatically circularly cooling and changing the oil and filtering the transformer oil in the transformer body, but impurities in an oil medium can be adhered to the outer side of a coil in the specific use process of the transformer, the traditional transformer is inconvenient to clean the outer side of the coil synchronously in the oil filtering process, the oil medium filtering effect is limited, and when the temperature of the transformer with the explosion-proof function in the publication number of CN111430106B is increased, the pressure release piston slides to the upper end of a pressure release hole, so that high-pressure gas in the transformer shell is discharged from an opening on the side of the pressure release piston, the pressure release piston plays a role, and meanwhile, sand in the sand box can be poured out, or the sand in the transformer shell can be prevented from being continuously leaked, and the oil can be prevented from being polluted by the fire can be continuously caused by the fact that the oil can be continuously leaked and completely or completely polluted by the oil can be realized.
So we propose a loss-reducing explosion-proof pressure-relief transformer in order to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a loss-reducing explosion-proof pressure-relief type transformer, which aims to solve the problems that the transformer in the prior market is inconvenient to clean the outer side of a coil synchronously in the oil filtering process, so that the filtering effect of an oil medium is limited and the explosion-proof safety is poor.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a reduce and damage explosion-proof pressure release type transformer, includes the box of installing in the electric power pole tower outside, the inside of box is provided with the iron core, and the outside of iron core is around being equipped with the coil, and the top of box is provided with the sleeve pipe;
further comprises:
the oil bin is symmetrically arranged on two sides of the box body, a cavity is formed in the inner side of the oil bin, a motor is arranged in the lower end of the oil bin, a reciprocating screw rod is fixedly arranged at the output end of the motor through bolts, an oil suction pipe is connected between the oil bin and the box body, and an oil discharge hole is formed between the upper end of the oil bin and the box body;
The piston is movably connected to the inner side of the oil bin, and a telescopic rod with a cube structure is fixedly arranged on the lower surface of the piston;
the filter screen is fixedly arranged in the cavity and is used for fully filtering oil;
The insulating brush is movably arranged at the outer side of the coil and is used for realizing the cleaning operation of the outer wall of the coil;
The explosion-proof bin is arranged in the upper end of the box body, a liquid storage bin is arranged at the top of the explosion-proof bin, and a reaction bin is arranged at the bottom side of the inside of the explosion-proof bin;
The pressure relief bin is symmetrically arranged at the bottom of the explosion-proof bin, a pressure relief hole is formed in the bottom of the pressure relief bin, a movable plate is arranged on the inner side of the pressure relief bin, the upper surface of the movable plate is connected with a support, and a pressure relief pipe is formed in the side wall of the pressure relief bin and used for discharging overpressure gas;
the gas guide pipe is connected to the outer side of the reaction bin and is used for conveying gas;
and the regulating mechanism is fixedly arranged on the outer side of the lower surface of the explosion-proof bin.
Preferably, the oil bin is in clearance fit with the piston, a telescopic rod connected with the lower end of the piston and the oil bin form a telescopic structure, the telescopic rod is in threaded connection with the reciprocating screw rod, and the oil suction pipe is of a unidirectional circulation structure for circulating to the cavity.
Through adopting above-mentioned technical scheme for the motor can drive reciprocating screw rod and carry out at uniform velocity rotation, and then makes the piston in the inboard reciprocal slip of cavity, thereby makes the cavity inside produce the negative pressure, and then utilizes drawing oil pipe to draw the fluid of bottom of the case portion, realizes the intermittent type circulation of fluid and carries.
Preferably, the piston corresponds to the filter screen in position, the upper surface of the filter screen is provided with a baffle in a fitting manner, the baffle is connected with the inner wall shaft of the cavity, a torsion spring for providing reset elasticity is connected between the shaft end of the baffle and the inner wall of the cavity, and the piston is not mutually fitted with the lower surface of the filter screen.
Through adopting above-mentioned technical scheme for when the piston moved up, can push away the top of filter screen with the fluid between it and the filter screen, thereby realize the automatic filtration to fluid, and can avoid the filter screen to take place to block up, when fluid all gets into the filter screen top, the baffle can rotate under torsion spring's elasticity effect and reset, thereby block up the filter screen, avoid the fluid backward flow, and the fluid of many places in the cavity can be discharged to the box through the oil drain hole again, make the inside oil level interval of box take place to descend and rise.
Preferably, the insulating brush and the coil form a sleeving structure, the insulating brush is attached to the outer wall of the coil, and the floating ball is connected above the insulating brush through the traction rope.
Through adopting above-mentioned technical scheme for in the fluid circulation filtration process, along with the reciprocal decline and the rising of oil level, can make the floater slide along the outside of coil through buoyancy effect pulling insulating brush, thereby realize the effective clearance to the coil outer wall, be convenient for follow-up fully circulate, the clearance to fluid, and then reduced the loss of follow-up oily medium.
Preferably, a reset spring is connected between the movable plate and the pressure relief bin, a sealing plug is arranged on the lower surface of the movable plate, the sealing plug is matched with the pressure relief Kong Aotu, a through hole is formed in the movable plate, and the positions of the through hole and the pressure relief hole are staggered.
Through adopting above-mentioned technical scheme, when the inside atmospheric pressure of box is too high, the fly leaf can carry out elasticity lift under the atmospheric pressure effect to make the sealing plug break away from the pressure release hole, make high-pressure gas get into in the pressure release storehouse, and flow into in the pressure release pipe, thereby avoid the inside excessive pressure of box to cause deformation, damage.
Preferably, a puncture tube is arranged at the middle position of the bracket connected with the upper end of the movable plate, two ends of the puncture tube are in an opening structure, a diaphragm is arranged at the middle position of the liquid storage bin, and the diaphragm corresponds to the upper end position of the puncture tube.
Through adopting above-mentioned technical scheme for in the pressure release process, the fly leaf can drive the puncture pipe through the support and shift up, thereby makes the puncture pipe puncture the diaphragm.
Preferably, the lower end of the puncture tube and the reaction bin form a telescopic structure, the positions of the reaction bin and the liquid storage bin are vertically corresponding, and ammonium bicarbonate and hydrochloric acid are respectively stored in the liquid storage bin and the reaction bin.
Through adopting above-mentioned technical scheme for when device inside temperature and atmospheric pressure are too high and carry out the pressure release, can make the puncture pipe guide into the reaction storehouse with the ammonium bicarbonate in the stock solution storehouse, thereby react rather than inboard hydrochloric acid, and then absorb heat fast, realize the rapid cooling to the box, can react simultaneously and produce a large amount of carbon dioxide, be used for subsequent fire extinguishing, explosion-proof operation.
Preferably, the regulating mechanism comprises a regulating seat, a connecting ball, a through pipe, a connecting hose, a spray head, a direction regulating seat, a first air bag, a positioning column, a second air bag, a support column and a ball;
The regulating and controlling seat is fixedly arranged on the outer side of the lower surface of the explosion-proof bin, the lower end of the regulating and controlling seat is movably connected with a connecting ball, a through pipe penetrates through the connecting ball, a connecting hose is connected between the through pipe and the air duct, and meanwhile, the lower end of the through pipe is connected with a spray head;
the direction-adjusting seat is sleeved and fixedly arranged on the outer side of the through pipe;
the first air bags are embedded and installed on the inner wall of the regulating seat at equal angles;
The locating column, equiangular set up in the inboard of regulation and control seat, the inboard of locating column is flexible to be provided with the pillar, just be connected with the second gasbag between pillar and the inner wall bottom of regulation and control seat, and the second gasbag communicates each other with first gasbag, simultaneously the ball is installed in the upper end embedding of pillar, moreover the ball is laminated with the lower surface of regulation and control seat mutually.
Through adopting above-mentioned technical scheme, first gasbag can expand under the heat effect that the inside different positions of box produced to in filling the second gasbag of relevant position with its inboard partial gas, thereby make the second gasbag take place to expand, and then promote the pillar flexible, make the pillar can stir the steering seat and warp, thereby carry out automatically regulated to the rotation angle of shower nozzle, make the shower nozzle can be with low temperature carbon dioxide priority, accurate spraying to higher temperature department, realize effectual accuse temperature, explosion-proof.
Preferably, the pressure release pipe that the siphunculus outside set up is the heliciform setting, just the siphunculus is laminated mutually with the pressure release pipe.
Through adopting above-mentioned technical scheme, can make the inside low temperature carbon dioxide who carries of siphunculus can condense the inside high temperature gas of pressure release pipe for get rid of the oil vapor in the gas etc. and take place to condense, avoid oil vapor further to leak and initiate deflagration, explosion.
Compared with the prior art, the invention has the beneficial effects that: the loss-reducing explosion-proof pressure-relief type transformer can circularly filter the internal oil, and can clean the outer side of the coil by utilizing the change of the oil level, so that the loss of an oil medium is effectively reduced, and meanwhile, the automatic temperature reduction can be completed in the pressure relief process, the efficient explosion-proof and fire-extinguishing effects are realized, and the use safety is high;
1. The oil level intermittent lifting device is provided with the cavity and the piston, the piston can slide back and forth along the inner wall of the cavity under the driving action of the motor, so that negative pressure is generated in the cavity, oil is sucked from the bottom of the tank body through the oil suction pipe, the oil is pushed upwards to finish filtering, the filter screen is prevented from being blocked, and meanwhile, the outer side of the coil can be automatically cleaned by utilizing buoyancy along with intermittent lifting of the oil level, so that loss of oil medium in a subsequent tank body is further reduced;
2. Be provided with pressure release storehouse, stock solution storehouse and reaction storehouse, when the pressure was too big in the box, the fly leaf can carry out elasticity elevating movement to make pressure release storehouse can carry out automatic pressure release, can be simultaneously with the solution in the stock solution storehouse leading-in reaction storehouse in, and then carry out a large amount of heat absorption through chemical reaction. Therefore, the effective cooling of the box body is realized, meanwhile, the oil vapor in the pressure relief pipe can be condensed, the explosion caused by the leakage of oil gas is avoided, and the use safety is further improved;
3. Be provided with steering seat and shower nozzle, first gasbag receives the temperature influence of the different positions in the box, can make the second gasbag of different directions carry out the inflation of different degree to drive the shower nozzle and carry out autogiration, regulation, and then make the shower nozzle carry out accurate injection carbon dioxide to high temperature department preferentially, thereby effectively improve cooling, fire extinguishing effect.
Drawings
FIG. 1 is a schematic diagram of the main sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic view of the torsion spring mounting structure of the present invention;
FIG. 4 is a schematic diagram of the main sectional structure of the explosion-proof cabin of the invention;
FIG. 5 is a schematic diagram of a main sectional structure of a regulating seat according to the present invention;
FIG. 6 is a schematic top view of the control seat of the present invention;
FIG. 7 is a schematic perspective view of a through pipe according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;
Fig. 9 is a schematic perspective view of a movable plate according to the present invention.
In the figure: 1. a case; 2. an iron core; 3. a coil; 4. a sleeve; 5. an oil bin; 6. a cavity; 7. a motor; 8. a reciprocating screw rod; 9. a telescopic rod; 10. a piston; 11. oil suction pipe; 12. a filter screen; 13. a baffle; 1301. a torsion spring; 14. an oil drain hole; 15. an insulating brush; 16. a floating ball; 17. a traction rope; 18. an explosion-proof bin; 19. a pressure relief bin; 20. a pressure relief hole; 21. a bracket; 22. a movable plate; 2201. a return spring; 2202. a sealing plug; 2203. a through hole; 23. a pressure relief tube; 24. a puncture tube; 25. a liquid storage bin; 26. a diaphragm; 27. a reaction bin; 28. an air duct; 29. a regulating seat; 30. a connecting ball; 31. a through pipe; 32. a connecting hose; 33. a spray head; 34. a direction-adjusting seat; 35. a first air bag; 36. positioning columns; 37. a second air bag; 38. a support post; 39. and (3) rolling balls.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a reduce and damage explosion-proof pressure release type transformer, includes box 1 that installs in the electric power tower outside, and the inside of box 1 is provided with iron core 2, and the outside of iron core 2 is around being equipped with coil 3, and the top of box 1 is provided with sleeve pipe 4;
further comprises:
The oil bin 5 is symmetrically arranged on two sides of the box body 1, a cavity 6 is formed in the inner side of the oil bin 5, a motor 7 is arranged in the lower end of the oil bin 5, a reciprocating screw rod 8 is fixedly arranged at the output end of the motor 7 through bolts, an oil suction pipe 11 is connected between the oil bin 5 and the box body 1, and an oil discharge hole 14 is formed between the upper end of the oil bin 5 and the box body 1;
the piston 10 is movably connected to the inner side of the oil bin 5, and a telescopic rod 9 with a cube structure is fixedly arranged on the lower surface of the piston 10;
The filter screen 12 is fixedly arranged in the cavity 6 and is used for fully filtering oil;
the insulating brush 15 is movably arranged on the outer side of the coil 3 and is used for realizing cleaning operation on the outer wall of the coil 3;
The explosion-proof bin 18 is arranged in the upper end of the box body 1, a liquid storage bin 25 is arranged at the top of the explosion-proof bin 18, and a reaction bin 27 is arranged at the bottom side of the inside of the explosion-proof bin 18;
The pressure relief bin 19 is symmetrically arranged at the bottom of the explosion-proof bin 18, a pressure relief hole 20 is formed in the bottom of the pressure relief bin 19, a movable plate 22 is arranged on the inner side of the pressure relief bin 19, the upper surface of the movable plate 22 is connected with a bracket 21, and a pressure relief pipe 23 is formed in the side wall of the pressure relief bin 19 and used for discharging overpressure gas;
An air duct 28 connected to the outside of the reaction chamber 27 for delivering air;
The regulating mechanism is fixedly arranged outside the lower surface of the explosion-proof bin 18.
The oil bin 5 is in clearance fit with the piston 10, a telescopic rod 9 connected with the lower end of the piston 10 and the oil bin 5 form a telescopic structure, the telescopic rod 9 is in threaded connection with the reciprocating screw rod 8, and the oil suction pipe 11 is of a one-way circulation structure for circulating to the cavity 6.
The piston 10 corresponds to the position of the filter screen 12, the upper surface of the filter screen 12 is attached with the baffle 13, the baffle 13 is connected with the inner wall shaft of the cavity 6, a torsion spring 1301 for providing reset elasticity is connected between the shaft end of the baffle 13 and the inner wall of the cavity 6, and the piston 10 is not attached to the lower surface of the filter screen 12.
The insulating brush 15 and the coil 3 form a sleeved structure, the insulating brush 15 is attached to the outer wall of the coil 3, and a floating ball 16 is connected above the insulating brush 15 through a traction rope 17.
As shown in fig. 1-3, the motor 7 is controlled to drive the reciprocating screw rod 8 to rotate, so that the reciprocating screw rod 8 is in threaded connection with the telescopic rod 9, and accordingly the telescopic rod 9 drives the piston 10 to slide reciprocally along the inner wall of the cavity 6, when the piston 10 moves downwards, negative pressure is generated on the inner side of the cavity 6, oil and impurities are extracted from the bottom of the box 1 by the oil suction pipe 11, the extracted oil can be pushed to pass through the filter screen 12 along with the rising of the subsequent piston 10, the complete precipitation of the impurities is ensured, the filter screen 12 is prevented from being blocked, the filtering effect of the oil is effectively improved, after the extracted oil is filtered, the baffle 13 can rotate under the action of the elastic force of the torsion spring 1301 to be attached to the filter screen 12, the blocking of the filter screen 12 is realized, the oil backflow above the filter screen 12 is avoided, the filtered oil can flow into the box 1 again through the oil drain hole 14, the oil level in the box 1 is ensured, meanwhile, the oil level in the box 1 can be lifted reciprocally by the aid of the traction rope 17, the lifting and lowering of the insulation brush 15 is automatically performed under the action of buoyancy, and the intermittent lifting of the insulation brush 15 is further reduced, and the loss of the insulation brush 15 is further reduced.
A reset spring 2201 is connected between the movable plate 22 and the pressure relief bin 19, a sealing plug 2202 is arranged on the lower surface of the movable plate 22, the sealing plug 2202 is in concave-convex fit with the pressure relief hole 20, a through hole 2203 is formed in the movable plate 22, and the positions of the through hole 2203 and the pressure relief hole 20 are staggered.
The middle position of the bracket 21 connected with the upper end of the movable plate 22 is provided with a puncture tube 24, two ends of the puncture tube 24 are in an opening structure, the middle position of the liquid storage bin 25 is provided with a diaphragm 26, and the diaphragm 26 corresponds to the upper end position of the puncture tube 24.
The lower end of the puncture tube 24 and the reaction bin 27 form a telescopic structure, the positions of the reaction bin 27 and the liquid storage bin 25 are vertically corresponding, and ammonium bicarbonate and hydrochloric acid are respectively stored in the liquid storage bin 25 and the reaction bin 27.
As shown in fig. 4 and fig. 8-9, when the internal temperature of the box 1 is too high to cause the air pressure to rise, the movable plate 22 will elastically rise and fall along the inner wall of the pressure release bin 19 under the pressure action, so that the sealing plug 2202 is separated from the pressure release hole 20, at this time, the high-pressure air in the box 1 will enter the pressure release bin 19 through the pressure release hole 20 and be discharged through the pressure release pipe 23, and meanwhile, the movable plate 22 can drive the bracket 21 to move upwards synchronously when moving, so that the puncture pipe 24 punctures the diaphragm 26, so that ammonium bicarbonate in the liquid storage bin 25 flows into the reaction bin 27 through the puncture pipe 24, so that the ammonium bicarbonate reacts with hydrochloric acid, a large amount of carbon dioxide is generated in the reaction process, heat is absorbed, the rapid cooling of the interior of the box 1 is realized, and meanwhile, the generated low-temperature carbon dioxide will be guided to the through the air duct 31 by the air duct 28, the air duct 28 will exchange heat with the pressure release pipe 23 wound on the outer side, so as to cool and condense the oil vapor in the pressure release pipe 23, so as to avoid the leakage of the oil vapor and cause explosion and further improve the explosion-proof performance.
The regulating mechanism comprises a regulating seat 29, a connecting ball 30, a through pipe 31, a connecting hose 32, a spray head 33, a direction regulating seat 34, a first air bag 35, a positioning column 36, a second air bag 37, a support column 38 and a ball 39;
The regulating and controlling seat 29 is fixedly arranged on the outer side of the lower surface of the explosion-proof bin 18, the lower end of the regulating and controlling seat 29 is movably connected with a connecting ball 30, a through pipe 31 penetrates through the connecting ball 30, a connecting hose 32 is connected between the through pipe 31 and the air duct 28, and meanwhile, the lower end of the through pipe 31 is connected with a spray head 33;
the direction-adjusting seat 34 is fixedly sleeved on the outer side of the through pipe 31;
the first air bag 35 is embedded and installed on the inner wall of the regulating seat 29 at equal angles;
the locating column 36 is equiangularly arranged on the inner side of the regulating seat 29, a supporting column 38 is arranged on the inner side of the locating column 36 in a telescopic mode, a second air bag 37 is connected between the supporting column 38 and the bottom of the inner wall of the regulating seat 29, the second air bag 37 is communicated with the first air bag 35, meanwhile, a ball 39 is embedded and installed at the upper end of the supporting column 38, and the ball 39 is attached to the lower surface of the regulating seat 34.
The pressure release pipe 23 that the siphunculus 31 outside set up is spiral setting, and siphunculus 31 is laminated with pressure release pipe 23 mutually.
As shown in fig. 4-7, the gas inside the first air bag 35 at different positions is expanded to different degrees under the influence of the outside temperature thereof, so that the expanded gas partially enters the second air bag 37, and the second air bag 37 is expanded and deformed, so as to push the support column 38 inside the positioning column 36 to lift and adjust, at this time, the ball 39 slides along the lower surface of the direction-adjusting seat 34, so as to push the direction-adjusting seat 34 to tilt angularly, and the through pipe 31 is made to tilt angularly through the connecting ball 30, so that the spray head 33 can be automatically aligned to a high temperature place, and the high temperature place is cooled and extinguished preferentially, thereby effectively improving the explosion-proof performance and use safety.
Working principle: when the loss-reducing explosion-proof pressure-relief type transformer is used, firstly, 1-9 shows that the piston 10 can be driven to slide reciprocally along the inner wall of the cavity 6 through the starting motor 7, so that oil liquid at the bottom of the box body 1 is extracted and filtered, meanwhile, the floating ball 16 can pull the insulating brush 15 to lift reciprocally up and down under the action of buoyancy by utilizing the traction rope 17, so that the insulating brush 15 automatically cleans the outer side of the coil 3, further oil medium loss of the device is reduced, when the internal temperature of the box body 1 is too high to cause air pressure to rise, the pressure relief hole 20 can be automatically opened, automatic pressure relief is realized, meanwhile, solution in the liquid storage bin 25 and the reaction bin 27 can be promoted to perform chemical reaction, thereby absorbing a large amount of heat, realizing automatic cooling, and the carbon dioxide generated by the reaction can be accurately sprayed to a high temperature place in the follow-up process, thereby realizing automatic further cooling and fire-proofing performance is effectively improved, and a series of works are completed.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. The utility model provides a reduce and damage explosion-proof pressure release type transformer, includes box (1) of installing in the electric power pole tower outside, the inside of box (1) is provided with iron core (2), just the outside of iron core (2) is around being equipped with coil (3), and the top of box (1) is provided with sleeve pipe (4);
characterized by further comprising:
The oil bin (5) is symmetrically arranged at two sides of the box body (1), a cavity (6) is formed in the inner side of the oil bin (5), a motor (7) is arranged at the inner part of the lower end of the oil bin (5), a reciprocating screw rod (8) is fixedly arranged at the output end of the motor (7) through bolts, an oil drain pipe (11) is connected between the oil bin (5) and the box body (1), and an oil drain hole (14) is formed between the upper end of the oil bin (5) and the box body (1);
The piston (10) is movably connected to the inner side of the oil bin (5), and a telescopic rod (9) with a cube structure is fixedly arranged on the lower surface of the piston (10);
The filter screen (12) is fixedly arranged in the cavity (6) and is used for fully filtering oil;
The insulating brush (15) is movably arranged at the outer side of the coil (3) and is used for realizing cleaning operation on the outer wall of the coil (3);
the explosion-proof bin (18) is arranged in the upper end of the box body (1), a liquid storage bin (25) is arranged at the top of the explosion-proof bin (18), and a reaction bin (27) is arranged at the bottom side of the inside of the explosion-proof bin (18);
The pressure relief bin (19) is symmetrically arranged at the bottom of the explosion-proof bin (18), a pressure relief hole (20) is formed in the bottom of the pressure relief bin (19), a movable plate (22) is arranged on the inner side of the pressure relief bin (19), a support (21) is connected to the upper surface of the movable plate (22), a pressure relief pipe (23) is formed in the side wall of the pressure relief bin (19) and used for discharging overpressure gas, a puncture pipe (24) is arranged in the middle of the support (21) connected to the upper end of the movable plate (22), two ends of the puncture pipe (24) are in an opening structure, a diaphragm (26) is arranged in the middle of the liquid storage bin (25), the diaphragm (26) corresponds to the upper end of the puncture pipe (24), the lower end of the puncture pipe (24) and the reaction bin (27) form a telescopic structure, the positions of the reaction bin (27) and the liquid storage bin (25) correspond up and down, and the inside of the reaction bin (25) and the reaction bin (27) store ammonium bicarbonate and hydrochloric acid respectively;
An air duct (28) connected to the outside of the reaction chamber (27) for delivering air;
The adjusting mechanism is fixedly arranged on the outer side of the lower surface of the explosion-proof bin (18) and comprises an adjusting seat (29), a connecting ball (30), a through pipe (31), a connecting hose (32), a spray head (33), a direction adjusting seat (34), a first air bag (35), a positioning column (36), a second air bag (37), a support column (38) and a ball (39);
The adjusting and controlling seat (29) is fixedly arranged on the outer side of the lower surface of the explosion-proof bin (18), the lower end of the adjusting and controlling seat (29) is movably connected with a connecting ball (30), a through pipe (31) penetrates through the connecting ball (30), a connecting hose (32) is connected between the through pipe (31) and the air duct (28), and meanwhile, the lower end of the through pipe (31) is connected with a spray head (33);
The direction-adjusting seat (34) is sleeved and fixedly arranged on the outer side of the through pipe (31);
the first air bag (35) is embedded and installed on the inner wall of the regulating seat (29) at equal angles;
The positioning columns (36) are arranged on the inner side of the regulating seat (29) at equal angles, the inner sides of the positioning columns (36) are provided with supporting columns (38) in a telescopic mode, second air bags (37) are connected between the supporting columns (38) and the bottom of the inner wall of the regulating seat (29), the second air bags (37) are communicated with the first air bags (35), meanwhile, balls (39) are embedded in the upper ends of the supporting columns (38), and the balls (39) are attached to the lower surface of the regulating seat (34);
The pressure relief pipe (23) arranged outside the through pipe (31) is spirally arranged, and the through pipe (31) is attached to the pressure relief pipe (23).
2. The loss-reducing explosion-proof pressure relief transformer of claim 1, wherein: the oil bin (5) is in clearance fit with the piston (10), a telescopic rod (9) connected with the lower end of the piston (10) and the oil bin (5) form a telescopic structure, the telescopic rod (9) is in threaded connection with the reciprocating screw rod (8), and the oil suction pipe (11) is of a unidirectional circulation structure which circulates towards the cavity (6).
3. The loss-reducing explosion-proof pressure relief transformer according to claim 2, wherein: the piston (10) corresponds to the position of the filter screen (12), a baffle (13) is arranged on the upper surface of the filter screen (12) in a fitting mode, the baffle (13) is connected with the inner wall of the cavity (6) through a shaft, a torsion spring (1301) for providing reset elasticity is connected between the shaft end of the baffle (13) and the inner wall of the cavity (6), and the piston (10) is not in fit with the lower surface of the filter screen (12).
4. The loss-reducing explosion-proof pressure relief transformer of claim 1, wherein: the insulation brush (15) and the coil (3) form a sleeved structure, the insulation brush (15) is attached to the outer wall of the coil (3), and a floating ball (16) is connected above the insulation brush (15) through a traction rope (17).
5. The loss-reducing explosion-proof pressure relief transformer of claim 1, wherein: the movable plate (22) is connected with a reset spring (2201) between the movable plate (22) and the pressure relief bin (19), a sealing plug (2202) is arranged on the lower surface of the movable plate (22), the sealing plug (2202) is in concave-convex fit with the pressure relief hole (20), meanwhile, a through hole (2203) is formed in the movable plate (22), and the positions of the through hole (2203) and the pressure relief hole (20) are staggered.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111409230.XA CN114203417B (en) | 2021-11-25 | 2021-11-25 | Loss-reducing explosion-proof pressure-relief type transformer |
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| CN202111409230.XA CN114203417B (en) | 2021-11-25 | 2021-11-25 | Loss-reducing explosion-proof pressure-relief type transformer |
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| CN114203417B true CN114203417B (en) | 2024-06-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115954183A (en) * | 2022-12-12 | 2023-04-11 | 深圳市万志宇科技有限公司 | Radiating fin adjustable electronic transformer |
| CN116403809B (en) * | 2023-02-14 | 2023-10-03 | 江苏旭变变压器有限公司 | Anti-interference transformer with cooling explosion-proof structure |
| CN116092779B (en) * | 2023-04-11 | 2023-06-06 | 保定中亿电气集团有限公司 | Oil immersed transformer and explosion-proof protection structure |
| CN117877847A (en) * | 2024-02-28 | 2024-04-12 | 德州秋生机械有限公司 | Anti-interference transformer capable of reducing temperature and preventing explosion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882246A (en) * | 2015-06-16 | 2015-09-02 | 北京中瑞和电气有限公司 | Transformer protection device |
| CN105206406A (en) * | 2015-10-20 | 2015-12-30 | 夏烬楚 | Explosion-proof environment-friendly 75MVA transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106710788A (en) * | 2015-11-15 | 2017-05-24 | 重庆南瑞博瑞变压器有限公司 | Oil immersed explosion-proof transformer for pit |
| CN108597757A (en) * | 2018-06-11 | 2018-09-28 | 芜湖超源力工业设计有限公司 | a kind of oil-immersed power transformer |
| CN111768960B (en) * | 2019-04-01 | 2022-02-18 | 台达电子企业管理（上海）有限公司 | Potting box and transformer |
| CN111192742A (en) * | 2020-01-08 | 2020-05-22 | 左刚 | Emergency treatment device with dry-type transformer is inside to catch fire |
| CN112530671A (en) * | 2020-11-19 | 2021-03-19 | 浙江龙呈电力设备有限公司 | Oil-immersed transformer |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882246A (en) * | 2015-06-16 | 2015-09-02 | 北京中瑞和电气有限公司 | Transformer protection device |
| CN105206406A (en) * | 2015-10-20 | 2015-12-30 | 夏烬楚 | Explosion-proof environment-friendly 75MVA transformer |
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Effective date of registration: 20240422 Address after: 318000 No. 7 Taihe Road, Jiaojiang District, Zhejiang, Taizhou Applicant after: YINHE ELECTRIC APPLIANCE TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 237000 star entrepreneurship Park, Sanyuan Road, Jin'an District, Lu'an City, Anhui Province Applicant before: Chu Shiyuan Country or region before: China |
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