CN114464410A - Oil-immersed transformer for power distribution system - Google Patents
Oil-immersed transformer for power distribution system Download PDFInfo
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- CN114464410A CN114464410A CN202210230581.2A CN202210230581A CN114464410A CN 114464410 A CN114464410 A CN 114464410A CN 202210230581 A CN202210230581 A CN 202210230581A CN 114464410 A CN114464410 A CN 114464410A
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- hole
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- outer box
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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
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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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
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
- Rectifiers (AREA)
Abstract
The invention relates to the technical field of power supply and transformation, and discloses an oil-immersed transformer for a power distribution system. When the internal high temperature of outer container leads to appearing high-pressure oil gas, oil gas enters into the inside of blast pipe through circular through-hole I on putting at outer container top central point this moment, thereby with stroke ring jack-up, because single through-hole has been seted up at single through-plate center, oil gas can't pass single through-hole this moment, oil gas pressure will be single through-plate top to the top of air guide hole, make oil gas pass through the inside that the air duct got into the air storage cavity, lower the cooling under radiator fan's effect, avoid traditional equipment to directly discharge high temperature oil gas and cause the problem of detonation, the device's security performance has been improved.
Description
Technical Field
The invention relates to the technical field of power supply transformation, in particular to an oil-immersed transformer for a power distribution system.
Background
The transformer is a very common one in power equipment, the existing transformer can be divided into two types, one type is a dry-type transformer, and the other type is an oil-immersed transformer, wherein the oil-immersed transformer insulates the whole transformer equipment by immersing the whole transformer equipment in insulating oil, so that the transformer equipment has good heat dissipation performance and a very high transformation range.
Although current oil-immersed transformer has a great deal of advantage, still have certain limitation in the actual use, because the inside electric current of transformer and voltage are in higher level, lead to the heat dissipation very high, and outside insulating layer can corrode gradually, and the problem of being punctured can appear in the electric arc that high-voltage electricity produced, because inside insulating oil is in combustible object, can lead to inside insulating oil to be lighted and take place the explosion, the insulating oil that splashes can lead to secondary explosion and conflagration again, thereby make the area of crossing a fire further enlarge, cause bigger loss, to this, this application document provides an oil-immersed transformer for distribution system, aim at solving above-mentioned problem that provides.
Disclosure of Invention
Aiming at the defects of the existing oil-immersed transformer for the power distribution system in the background technology in the using process, the invention provides the oil-immersed transformer for the power distribution system, which has the advantage of good explosion-proof performance and solves the problems in the background technology.
The invention provides the following technical scheme: an oil-immersed transformer for a power distribution system comprises an outer box body, wherein fixing tables are fixedly arranged on two sides of an inner cavity of the outer box body, a transformer device is fixedly arranged on the top of the fixing table, a round through hole I is formed in the position, located at the center, of the top of the outer box body, an exhaust device is fixedly arranged on the top of the round through hole I, an air guide pipe is fixedly arranged on the outer surface of the exhaust device and communicated with the inner cavity of the exhaust device, heat dissipation devices are fixedly arranged on two sides of the outer surface of the outer box body, the top of each heat dissipation device is fixedly connected with one end of the air guide pipe, the air guide pipe is communicated with the inner cavity of the corresponding heat dissipation device, round through holes II are formed in the positions, located at two sides of the exhaust device, of the top of the outer box body, a liquid inlet pipe is fixedly arranged at the tops of the round through holes II, the liquid inlet pipe is communicated with the inner cavity of the heat dissipation devices, and a round through hole III is formed in the bottom of the outer box body, the bottom fixed mounting of this circular through-hole III has the drain pipe, the one end fixed mounting of drain pipe has the oil pump, oil pump output end and heat abstractor's bottom fixed connection and be linked together with the heat abstractor inner chamber, the positive fixed mounting of outer box surface has the variable voltage regulator.
Preferably, exhaust apparatus includes the blast pipe, blast pipe fixed mounting is at the top of outer box, and the blast pipe is linked together with the inner chamber of outer box, the inside activity of blast pipe has cup jointed the stroke ring, the bottom fixed mounting of stroke ring has balance spring, balance spring's bottom and the top fixed connection of outer box, the fixed cover in inside of stroke ring has connect single logical board, single through-hole has been seted up on the position at center in single logical board top, the blast pipe surface has seted up the gas guide hole on the position of stroke ring top, gas guide hole and gas duct fixed connection, exhaust apparatus is linked together through gas duct and heat abstractor's inner chamber, the top fixed mounting of blast pipe has the emission ware, circular through-hole IV has been seted up to the bottom of emission ware, and the bottom fixed mounting of this circular through-hole IV has the intubate.
Preferably, the output end of the insertion tube is connected with the input end of the variable voltage regulator in a signal connection mode.
Preferably, the heat dissipation device comprises a heat dissipation shell, one side of the heat dissipation shell is provided with a circular through hole V, a heat radiation fan is fixedly arranged in the circular through hole V, air storage cavities are fixedly arranged at the positions, close to the heat radiation fan, of the two sides in the heat radiation shell, the top and the bottom of the air storage cavity are movably provided with adjusting devices, the heat-conducting fins are fixedly arranged at the position between the air storage cavity and the heat-radiating fan in the heat-radiating shell, the top of the heat dissipation shell is provided with an air inlet which is communicated with the interior of the air storage cavity, the top of the air inlet is fixedly connected and communicated with the air duct, the top of the heat dissipation shell is provided with liquid inlet holes at the positions at the two sides of the air inlet, the top and the feed liquor pipe fixed connection in feed liquor hole, circular through-hole VI has been seted up to the bottom of heat dissipation shell, this circular through-hole VI and the output fixed connection of oil pump.
Preferably, the adjusting device comprises a stroke plate, a resistance-variable sliding block is fixedly mounted on one side of the stroke plate, and the resistance-variable sliding block is matched with the air storage cavity.
Preferably, the resistance-variable sliding block is made of a resistance material, the resistance-variable sliding block and the air storage cavity form an adjusting part on a power supply circuit of the cooling fan, the resistance of the resistance-variable sliding block is reduced after the resistance-variable sliding block extends out of the air storage cavity, and the internal resistance of the resistance-variable sliding block extending into the air storage cavity is increased.
The invention has the following beneficial effects:
1. according to the invention, the air guide hole is formed in the position, above the stroke ring, of the outer surface of the exhaust pipe, so that the air guide hole is positioned between the stroke ring and the insertion pipe, when oil gas with high pressure is generated due to overhigh temperature in the outer box body, the oil gas enters the exhaust pipe through the circular through hole I in the central position of the top of the outer box body, so that the stroke ring is jacked up, the single through hole is formed in the center of the single through plate, the oil gas cannot penetrate through the single through plate at the moment, when the pressure of the oil gas jacks the single through plate to the upper side of the air guide hole, the oil gas enters the inner part of the gas storage cavity through the air guide pipe and is cooled under the action of the cooling fan, the problem of backfire caused by direct discharge of high-temperature oil gas by traditional equipment is avoided, the safety performance of the device is improved, meanwhile, the high-temperature oil gas enters the inner part of the gas storage cavity and is cooled and liquefied by the cooling fan and stored in the inner part of the gas storage cavity again, the waste of insulating oil caused by directly discharging oil gas is avoided, and the use cost of the device is reduced.
2. According to the invention, the resistance is reduced after the resistance of the resistance-variable sliding block extends out of the air storage cavity, the internal resistance of the resistance-variable sliding block extending into the air storage cavity is increased, so that when oil gas enters into the air storage cavity, the pressure of the oil gas can push the adjusting device to move to one side far away from the air storage cavity, so that the accommodating cavity between the adjusting device and the heat conducting sheet is enlarged, more insulating oil can be borne in the accommodating cavity, and at the same time, the resistance of the resistance-variable sliding block extends out of the air storage cavity, so that the input power of the heat radiating fan is improved, the heat radiating performance of the heat radiating fan is related to the bearing capacity of the insulating oil in the heat radiating device, the heat radiating performance of the heat radiating fan is improved when the insulating oil capacity is larger, the heat radiating performance of the heat radiating fan is reduced when the insulating oil capacity is smaller, and the temperature reduction rate of the outer box is too slow, so that the bearing capacity of the insulating oil in the heat radiating shell is further improved, and the radiating efficiency of the heat radiating fan is further improved The device can automatically adjust the heat dissipation efficiency according to the temperature of the insulating oil in the outer box and the carrying capacity of the insulating oil in the heat dissipation shell, the automation of the device is improved, and the power consumption of the device is reduced.
3. The invention is characterized in that the outer surface of the exhaust pipe is provided with an air guide hole above the stroke ring, the air guide hole is positioned below the insertion pipe, so that when the temperature of oil gas in the outer box is too high and the pressure of the oil gas cannot be released through the air guide pipe and the air storage cavity, the single through plate is continuously close to the insertion pipe, the single through hole at the top of the single through plate is contacted with the insertion pipe, the single through hole is opened, the oil gas in the inner box is discharged through the discharger, so that the pressure in the outer box is released, if the discharger is always in a gas discharging state, the temperature in the outer box is in an abnormal state, the pressure of the oil gas pushes the air storage cavity to reach the limit, most of the insulating oil in the outer box flows into the heat dissipation shell, and meanwhile, the output end of the insertion pipe is connected with the input end of the variable pressure regulator in a signal connection mode, thereby the power of control potential device reduces or closes to avoid the inside temperature of outer box to continue to rise, avoid appearing the problem of explosion under this condition simultaneously, further improved the security of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic cross-sectional view taken along the direction A in FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view taken along the direction B in FIG. 2;
FIG. 5 is an enlarged view of the point C in FIG. 3 according to the present invention;
FIG. 6 is a schematic view of a heat sink device according to the present invention;
FIG. 7 is a schematic top view of a heat sink device according to the present invention;
FIG. 8 is a schematic cross-sectional view taken along direction D in FIG. 7 according to the present invention;
FIG. 9 is a schematic view of a structure of a heat conducting sheet according to the present invention;
FIG. 10 is a schematic view of the internal structure of the heat dissipation device of the present invention;
FIG. 11 is a schematic top view of the internal structure of the heat dissipation device of the present invention;
FIG. 12 is a schematic cross-sectional view taken along direction E in FIG. 11 according to the present invention;
FIG. 13 is a schematic view of a structural adjustment device of the present invention.
In the figure: 1. an outer case; 2. a fixed table; 3. a voltage transformation device; 4. an exhaust device; 41. an exhaust pipe; 42. a travel ring; 43. a balance spring; 44. a single-pass plate; 45. an air vent; 46. an eductor; 47. inserting a tube; 5. an air duct; 6. a heat sink; 61. a heat dissipation housing; 62. a heat radiation fan; 63. an air storage cavity; 64. an adjustment device; 641. a stroke plate; 642. a resistance-variable slider; 65. a heat conductive sheet; 66. an air inlet; 67. a liquid inlet hole; 7. a liquid inlet pipe; 8. a liquid outlet pipe; 9. an oil pump; 10. a voltage regulator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an oil-immersed transformer for a power distribution system includes an outer case 1, fixing platforms 2 are fixedly installed on two sides of an inner cavity of the outer case 1, a transformer apparatus 3 is fixedly installed on a top of the fixing platforms 2, a circular through hole i is formed in a position of the top of the outer case 1 at the center, an exhaust apparatus 4 is fixedly installed on the top of the circular through hole i, an air duct 5 is fixedly installed on an outer surface of the exhaust apparatus 4, the air duct 5 is communicated with the inner cavity of the exhaust apparatus 4, heat dissipation apparatuses 6 are fixedly installed on two sides of the outer surface of the outer case 1, the top of the heat dissipation apparatus 6 is fixedly connected with one end of the air duct 5, the air duct 5 is communicated with the inner cavity of the heat dissipation apparatus 6, circular through holes ii are formed in positions of the top of the outer case 1 at two sides of the exhaust apparatus 4, a liquid inlet pipe 7 is fixedly installed on the top of the circular through holes ii, the liquid inlet pipe 7 is communicated with the inner cavity of the heat dissipation apparatus 6, circular through-hole III has been seted up to the bottom of outer box 1, and this circular through-hole III's bottom fixed mounting has drain pipe 8, and the one end fixed mounting of drain pipe 8 has oil pump 9, and oil pump 9 output is linked together with heat abstractor 6's bottom fixed connection and with heat abstractor 6 inner chamber, and the front fixed mounting of outer box 1 surface has variable voltage regulator 10.
Referring to fig. 5, the exhaust device 4 includes an exhaust pipe 41, the exhaust pipe 41 is fixedly installed on the top of the outer box 1, the exhaust pipe 41 is communicated with the inner cavity of the outer box 1, a stroke ring 42 is movably sleeved inside the exhaust pipe 41, a balance spring 43 is fixedly installed at the bottom of the stroke ring 42, the bottom of the balance spring 43 is fixedly connected with the top of the outer box 1, a single-pass plate 44 is fixedly sleeved inside the stroke ring 42, a single through hole is formed in the center position of the top of the single-pass plate 44, an air guide hole 45 is formed in the position of the outer surface of the exhaust pipe 41 above the stroke ring 42, so that the air guide hole 45 is located between the stroke ring 42 and the insertion pipe 47, when oil gas with high pressure is generated due to overhigh temperature inside the outer box 1, the oil gas enters the exhaust pipe 41 through a circular through hole i in the center position of the top of the outer box 1, thereby jacking the stroke ring 42, because the single through hole is arranged at the center of the single through plate 44, the oil gas can not pass through the single through hole 44 at the moment, when the pressure of the oil gas pushes the single through plate 44 to the upper part of the air guide hole 45, the oil gas enters the air storage cavity 63 through the air guide pipe 5 and is cooled under the action of the cooling fan 62, the problem of deflagration and backfire caused by directly discharging high-temperature oil gas by the traditional equipment is avoided, the safety performance of the device is improved, meanwhile, the high-temperature oil gas enters the air storage cavity 63 and is cooled and liquefied by the cooling fan 62 and stored in the air storage cavity 63 again, the waste of insulating oil caused by directly discharging the oil gas is avoided, the use cost of the device is reduced, the air guide hole 45 is fixedly connected with the air guide pipe 5, the exhaust device 4 is communicated with the inner cavity of the heat dissipation device 6 through the air guide pipe 5, the top of the exhaust pipe 41 is fixedly provided with the discharger 46, and the bottom of the discharger 46 is provided with a circular through hole IV, an inserting pipe 47 is fixedly installed at the bottom of the circular through hole IV, the air guide hole 45 is located below the inserting pipe 47, so that when the temperature of oil gas in the outer box body 1 is too high and the pressure of the oil gas cannot be released through the air guide pipe 5 and the air storage cavity 63, the single through plate 44 is continuously close to the inserting pipe 47, so that the single through hole at the top of the single through plate 44 is in an open state by being contacted with the inserting pipe 47, the oil gas in the outer box body 1 is discharged through the discharger 46, so that the pressure in the outer box body 1 is released, if the discharger 46 is always in an exhaust state, the temperature in the outer box body 1 is in an abnormal state, the pressure of the oil gas pushes the air storage cavity 63 to reach the limit, most of the insulating oil in the outer box body 1 flows into the heat dissipation shell 61, and meanwhile, the output end of the inserting pipe 47 is connected with the input end of the variable pressure regulator 10 in a signal connection mode, thereby controlling the power of the transformer apparatus 3 to be reduced or closed, thereby avoiding the temperature inside the outer case 1 from being continuously raised, and simultaneously avoiding the problem of explosion under the condition, and further improving the safety of the device.
Referring to fig. 5, the output of the cannula 47 is connected to the input of the voltage regulator 10 by a signal connection.
Referring to fig. 6-12, the heat dissipating device 6 includes a heat dissipating housing 61, a circular through hole v is formed at one side of the heat dissipating housing 61, a heat dissipating fan 62 is fixedly installed inside the circular through hole v, air storage chambers 63 are fixedly installed at positions close to the heat dissipating fan 62 at both sides inside the heat dissipating housing 61, adjusting devices 64 are movably installed at the top and bottom of the air storage chambers 63, heat conducting fins 65 are fixedly installed at positions between the air storage chambers 63 and the heat dissipating fan 62 inside the heat dissipating housing 61, air inlet holes 66 are formed at the top of the heat dissipating housing 61, the air inlet holes 66 are communicated with the inside of the air storage chambers 63, the top of the air inlet holes 66 are fixedly connected and communicated with the air guiding tubes 5, liquid inlet holes 67 are formed at positions at both sides of the air inlet holes 66 at the top of the heat dissipating housing 61, the top of the liquid inlet holes 67 is fixedly connected with a liquid inlet tube 7, a circular through hole vi is formed at the bottom of the heat dissipating housing 61, the circular through hole VI is fixedly connected with the output end of the oil pump 9.
Referring to fig. 13, the adjusting device 64 includes a stroke plate 641, and a variable resistance slider 642 is fixedly mounted on one side of the stroke plate 641, and the variable resistance slider 642 is matched with the air storage chamber 63.
Referring to fig. 13, the varistor block 642 is made of a resistive material, and the varistor block 642 and the air storage cavity 63 form an adjusting portion on the power supply circuit of the heat dissipation fan 62, when the varistor block 642 protrudes from the air storage cavity 63 and then the resistance is decreased, the internal resistance of the varistor block 642 protruding into the air storage cavity 63 is increased, so that when oil gas enters the interior of the air storage cavity 63, the pressure of the oil gas pushes the adjusting device 64 to move to a side away from the air storage cavity 63, so that the cavity between the adjusting device 64 and the heat conducting strip 65 is enlarged, so that more insulating oil can be loaded in the cavity, and at this time, when the varistor block 642 protrudes from the air storage cavity 63 and then the resistance is decreased, so that the input power of the heat dissipation fan 62 is increased, and the heat dissipation performance is improved, so that the heat dissipation performance of the heat dissipation device is related to the loading capacity of the insulating oil in the heat dissipation fan 62 is improved, when the insulating oil capacity is smaller, the heat radiation performance of the heat radiation fan 62 is reduced, and when the internal temperature of the outer box 1 is higher and the rate of temperature reduction is too slow, the bearing capacity of the insulating oil inside the heat radiation housing 61 is further improved and the heat radiation efficiency of the heat radiation fan 62 is further improved, so that the device can automatically adjust the heat radiation efficiency according to the temperature of the insulating oil inside the outer box 1 and the bearing capacity of the insulating oil inside the heat radiation housing 61, the automation of the device is improved, and the power consumption of the device is reduced.
The using method of the invention is as follows:
in the using process, the air guide hole 45 is located between the stroke ring 42 and the insertion tube 47, when the internal temperature of the outer box 1 is too high, and oil gas with higher pressure is generated, at the moment, the oil gas enters the exhaust pipe 41 through the circular through hole I in the central position of the top of the outer box 1, so that the stroke ring 42 is jacked up, because the center of the single through plate 44 is provided with the single through hole, the oil gas cannot pass through the single through plate 44 through the single through hole, when the pressure of the oil gas jacks the single through plate 44 to the upper side of the air guide hole 45, the oil gas enters the air storage cavity 63 through the air guide pipe 5 and is cooled under the action of the cooling fan 62, when the oil gas enters the air storage cavity 63, the pressure of the oil gas can push the adjusting device 64 to move to the side far away from the air storage cavity 63, so that the accommodating cavity between the adjusting device 64 and the heat conduction sheet 65 is enlarged, and the inside of the accommodating cavity can bear more insulating oil, and at this moment, resistance is reduced after the varistor block 642 extends out from the air storage cavity 63, so that input power of the heat dissipation fan 62 is improved, and heat dissipation performance is improved, so that heat dissipation performance of the device is related to the bearing capacity of insulating oil inside the heat dissipation device 6, heat dissipation performance of the heat dissipation fan 62 is improved when the capacity of the insulating oil is large, heat dissipation performance of the heat dissipation fan 62 is reduced when the capacity of the insulating oil is small, and when the internal temperature of the outer box 1 is high and the rate of temperature reduction is too slow, so that the bearing capacity of the insulating oil inside the heat dissipation shell 61 is further improved and the heat dissipation efficiency of the heat dissipation fan 62 is further improved, so that the device can automatically adjust the heat dissipation efficiency according to the temperature of the insulating oil inside the outer box 1 and the bearing capacity of the insulating oil inside the heat dissipation shell 61.
When the temperature of the oil gas in the outer box body 1 is too high and the pressure of the oil gas can not be released through the air duct 5 and the air storage cavity 63, the single-pass plate 44 is enabled to continuously approach the insertion tube 47, so that the single through hole at the top of the single through plate 44 is in contact with the insert pipe 47, so that the single through hole is in an open state, so that the internal oil gas is discharged through the discharger 46, thereby releasing the pressure inside the outer case 1, if the discharger 46 is always in the exhaust state, and the temperature inside the outer case 1 is in the abnormal state, the pressure of the oil gas pushes the air storage chamber 63 to reach the limit, so that most of the insulating oil inside the outer case 1 flows into the heat dissipation housing 61, meanwhile, the output end of the insertion tube 47 is connected with the input end of the voltage regulator 10 in a signal connection mode, thereby controlling the power of the transformer apparatus 3 to be reduced or turned off, thereby preventing the temperature inside the outer case 1 from being continuously increased.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an oil-immersed transformer for distribution system, includes outer box (1), its characterized in that: the device is characterized in that fixing tables (2) are fixedly mounted on two sides of an inner cavity of the outer box body (1), a voltage transformation device (3) is fixedly mounted on the top of each fixing table (2), a circular through hole I is formed in the position, located at the center, of the top of the outer box body (1), an exhaust device (4) is fixedly mounted on the top of the circular through hole I, an air duct (5) is fixedly mounted on the outer surface of the exhaust device (4), the air duct (5) is communicated with the inner cavity of the exhaust device (4), heat dissipation devices (6) are fixedly mounted on two sides of the outer surface of the outer box body (1), the top of each heat dissipation device (6) is fixedly connected with one end of the air duct (5), the air duct (5) is communicated with the inner cavity of the heat dissipation device (6), a circular through hole II is formed in the positions, located on two sides of the exhaust device (4), of the top of the outer box body (1), and a liquid inlet pipe (7) is fixedly mounted on the top of the circular through hole II, feed liquor pipe (7) are linked together with heat abstractor (6)'s inner chamber, circular through-hole III has been seted up to the bottom of outer box (1), and this circular through-hole III's bottom fixed mounting has drain pipe (8), the one end fixed mounting of drain pipe (8) has oil pump (9), oil pump (9) output is linked together with heat abstractor (6)'s bottom fixed connection and with heat abstractor (6) inner chamber, the positive fixed mounting of outer box (1) surface has variable voltage regulator (10).
2. The oil-filled transformer for the power distribution system according to claim 1, wherein: the exhaust device (4) comprises an exhaust pipe (41), the exhaust pipe (41) is fixedly installed at the top of the outer box body (1), the exhaust pipe (41) is communicated with the inner cavity of the outer box body (1), a stroke ring (42) is sleeved in the exhaust pipe (41), a balance spring (43) is fixedly installed at the bottom of the stroke ring (42), the bottom of the balance spring (43) is fixedly connected with the top of the outer box body (1), a single through plate (44) is fixedly sleeved in the stroke ring (42), a single through hole is formed in the position, located at the center, of the top of the single through plate (44), an air guide hole (45) is formed in the position, located above the stroke ring (42), of the outer surface of the exhaust pipe (41), the air guide hole (45) is fixedly connected with an air guide pipe (5), the exhaust device (4) is communicated with the inner cavity of the heat dissipation device (6) through the air guide pipe (5), an exhaust device (46) is fixedly mounted at the top of the exhaust pipe (41), a circular through hole IV is formed in the bottom of the exhaust device (46), and an insertion pipe (47) is fixedly mounted at the bottom of the circular through hole IV.
3. The oil-filled transformer for the power distribution system according to claim 2, wherein: the output end of the insertion tube (47) is connected with the input end of the variable voltage regulator (10) in a signal connection mode.
4. The oil-filled transformer for the power distribution system according to claim 2, wherein: the heat dissipation device (6) comprises a heat dissipation shell (61), a circular through hole V is formed in one side of the heat dissipation shell (61), a heat dissipation fan (62) is fixedly installed inside the circular through hole V, air storage cavities (63) are fixedly installed on positions, close to the heat dissipation fan (62), of two sides inside the heat dissipation shell (61), adjusting devices (64) are movably installed at the top and the bottom of the air storage cavities (63), heat conducting fins (65) are fixedly installed on positions, located between the air storage cavities (63) and the heat dissipation fan (62), inside the heat dissipation shell (61), air inlets (66) are formed in the top of the heat dissipation shell (61), the air inlets (66) are communicated with the inside of the air storage cavities (63), the tops of the air inlets (66) are fixedly connected with the air guide tube (5) and communicated with each other, liquid inlet holes (67) are formed in positions, located on two sides of the air inlets (66), in the top of the heat dissipation shell (61), the top and the feed liquor pipe (7) fixed connection of feed liquor hole (67), circular through-hole VI has been seted up to the bottom of heat dissipation shell (61), this circular through-hole VI and the output fixed connection of oil pump (9).
5. The oil-filled transformer for the power distribution system according to claim 4, wherein: the adjusting device (64) comprises a stroke plate (641), wherein a variable resistance sliding block (642) is fixedly mounted on one side of the stroke plate (641), and the variable resistance sliding block (642) is matched with the air storage cavity (63).
6. The oil-filled transformer for the power distribution system according to claim 5, wherein: the resistance-variable sliding block (642) is made of a resistance material, the resistance-variable sliding block (642) and the air storage cavity (63) form an adjusting part on a power supply line of the radiating fan (62), the resistance of the resistance-variable sliding block (642) is reduced after the resistance-variable sliding block (642) extends out of the air storage cavity (63), and the internal resistance of the resistance-variable sliding block (642) extending into the air storage cavity (63) is increased.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210230581.2A CN114464410B (en) | 2022-03-10 | 2022-03-10 | Oil-immersed transformer for power distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230581.2A CN114464410B (en) | 2022-03-10 | 2022-03-10 | Oil-immersed transformer for power distribution system |
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| CN114464410A true CN114464410A (en) | 2022-05-10 |
| CN114464410B CN114464410B (en) | 2023-02-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117423532A (en) * | 2023-11-29 | 2024-01-19 | 宜兴市兴益特种变压器有限公司 | Transformer with efficient heat dissipation function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206309640U (en) * | 2016-12-28 | 2017-07-07 | 上海钛灵特压缩机有限公司 | A kind of cavitation-preventive noise reduction sound oil piping system for tooth type centrifugal compressor |
| CN109599255A (en) * | 2018-12-19 | 2019-04-09 | 江苏鹤都电器有限公司 | A kind of intelligence dry-type transformer and its production technology |
| CN212967346U (en) * | 2020-10-23 | 2021-04-13 | 江苏巨东电气设备有限公司 | Heat dissipation device of oil-immersed power transformer |
| CN214476759U (en) * | 2021-02-05 | 2021-10-22 | 四川华能宝兴河水电有限责任公司 | Transformer for teaching |
-
2022
- 2022-03-10 CN CN202210230581.2A patent/CN114464410B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206309640U (en) * | 2016-12-28 | 2017-07-07 | 上海钛灵特压缩机有限公司 | A kind of cavitation-preventive noise reduction sound oil piping system for tooth type centrifugal compressor |
| CN109599255A (en) * | 2018-12-19 | 2019-04-09 | 江苏鹤都电器有限公司 | A kind of intelligence dry-type transformer and its production technology |
| CN212967346U (en) * | 2020-10-23 | 2021-04-13 | 江苏巨东电气设备有限公司 | Heat dissipation device of oil-immersed power transformer |
| CN214476759U (en) * | 2021-02-05 | 2021-10-22 | 四川华能宝兴河水电有限责任公司 | Transformer for teaching |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117423532A (en) * | 2023-11-29 | 2024-01-19 | 宜兴市兴益特种变压器有限公司 | Transformer with efficient heat dissipation function |
| CN117423532B (en) * | 2023-11-29 | 2024-04-05 | 宜兴市兴益特种变压器有限公司 | Transformer with efficient heat dissipation function |
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| CN114464410B (en) | 2023-02-07 |
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