CN213124059U

CN213124059U - 330kV transformer

Info

Publication number: CN213124059U
Application number: CN202021838634.1U
Authority: CN
Inventors: 何新娥; 陈清原
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-04
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to a power equipment technical field just discloses a 330 kV's transformer, the on-line screen storage device comprises a base, base top fixed mounting has the oil tank, base top fixed mounting has the iron core, iron core outer wall fixed mounting winding, oil tank outer wall fixed mounting has the fin, fin top fixedly connected with radiator fan, oil tank top fixed mounting has high-tension bushing, oil tank top fixed mounting has the low pressure sleeve pipe, bracing piece top fixed mounting has the conservator, conservator outer wall fixed mounting has defeated oil pipe, defeated oil pipe top swing joint has coupling hose, coupling hose top swing joint has the inlet, inlet top fixed mounting has the condenser, condenser top fixedly connected with liquid outlet. The 330kv transformer has the effect of accelerating heat dissipation through the combined action of the cooling fan, the cooling fins, the conservator and the condenser.

Description

330kV transformer

Technical Field

The utility model relates to a power equipment technical field specifically is a 330 kV's transformer.

Background

A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. Transformers can be classified into power transformers, test transformers, instrument transformers, and transformers for special purposes, in terms of their use: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the device is used for carrying out voltage withstand (boosting) test on electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection (PT, CT) of a power distribution system; the transformer for special purposes comprises a furnace transformer for smelting, an electric welding transformer, a rectifier transformer for electrolysis, a small-sized regulating transformer and the like.

At present, all small transformers used in the market adopt an oil-immersed self-cooling type, the transformers in the mode are slow in heat dissipation and poor in heat dissipation performance, the poor heat dissipation effect of the transformers can cause overhigh temperature and cause fire disasters to cause damage to electric power equipment to cause dangers, and in order to avoid the situation, the transformers with fans and condensers are provided to solve the problem of poor heat dissipation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a 330 kV's transformer possesses the good advantage of radiating effect, has solved the poor problem of traditional transformer radiating effect.

(II) technical scheme

For the purpose that realizes above-mentioned radiating effect is good, the utility model provides a following technical scheme: a330 kV transformer comprises a base, wherein an oil tank is fixedly mounted at the top end of the base, an iron core is fixedly mounted at the top end of the base, a winding is fixedly mounted on the outer wall of the iron core, oil is filled in the inner wall of the oil tank, a radiating fin is fixedly mounted on the outer wall of the oil tank, a connecting rod is fixedly mounted at the top end of the radiating fin, a positioning hole is formed in the top end of the connecting rod, a fixing screw is inserted in the positioning hole, a radiating fan is movably connected at the bottom end of the connecting rod, a supporting rod is fixedly connected at the top end of the oil tank, a high-pressure sleeve is fixedly mounted at the top end of the oil tank, a connecting pipe is fixedly connected at the top end of the oil tank, a gas relay is fixedly mounted at the outer wall of the, the utility model discloses a condenser, including coupling hose, inlet, condenser bottom fixedly connected with condenser supporting seat, coupling hose top swing joint has the inlet, inlet top fixed mounting has the condenser, condenser bottom fixedly connected with condenser supporting seat, condenser top fixedly connected with liquid outlet.

Preferably, the number of the heat radiation fans is two, the two heat radiation fans are symmetrically arranged on the two heat radiation fins by taking the central line of the oil tank as a symmetry axis, and the heat radiation speed of the heat radiation fins can be obviously improved by using the double fans for heat radiation of the heat radiation fins.

Preferably, iron core and winding are inside the oil tank, and iron core and winding all soak in oil, soak iron core and winding in oil and can pass through oil with the heat that the two during operation gived off and give off the heat for the fin.

Preferably, the inner ring of the cooling fan is provided with a buffer spring, the spring is distributed in a centrosymmetric manner by taking the circle center of the inner ring of the cooling fan as a symmetric point, and the spring can buffer the shake of the cooling fan during rotation, so that the cooling fan works more stably.

Preferably, the number of the fixing screws is four, every two fixing screws are symmetrically arranged on the radiating fin by taking the central line of the oil tank as a symmetry axis, and the four screws are used for fixing the connecting rod, so that the stability of connection between the connecting rod and the radiating fin can be ensured.

Preferably, coupling hose quantity is two, is located coupling hose connection inlet and defeated oil pipe on condenser right side, is located 9 left coupling hose 7 of condenser and connects liquid outlet and conservator, and the one end appearance that coupling hose connects defeated oil pipe is for leaking hopper-shaped, leaks hopper-shaped can be better with defeated oil pipe parcel, prevents that oil from leaking from the two junction.

Preferably, defeated oil pipe connects the one end position of conservator at conservator right side outer wall bottom, and the position that the liquid outlet is connected through coupling hose and conservator is located conservator outer wall top, and defeated oil pipe one end is established in the conservator bottom like this even the oil mass is few in the conservator also can carry this a small amount of oil to the condenser, and the liquid outlet is in order to prevent that oil from liquid outlet entering condenser against the current when the oil level is too high with the conservator top.

(III) advantageous effects

Compared with the prior art, the utility model provides a 330 kV's transformer possesses following beneficial effect:

1. this 330 kV's transformer, at the during operation, winding and iron core can give out the heat, and the heat that winding and iron core gived off passes through the oil in the oil tank and gives the fin with the heat transfer that winding and iron core gived off, and fixedly connected with radiator fan on the fin rotates the air current that produces through radiator fan and blows away the heat on the fin, has played the effect of radiating thermal speed with higher speed with the fin.

2. This 330 kV's transformer, at the during operation, because the heat that winding and iron core gived off to the influence of oil, oil is heated the thermal expansion and can upwards flow in the conservator through the connecting pipe, and oil in the conservator all has higher heat this moment, carries the oil that the heat is high through defeated oil pipe and coupling hose and advances the condenser cooling, in importing the conservator through the liquid outlet, has played the effect of cooling oil with higher speed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a right side view of the heat sink of fig. 1 according to the present invention.

In the figure: 1. a base; 2. an oil tank; 3. a heat sink; 4. a high voltage bushing; 5. an oil conservator; 6. an oil delivery pipe; 7. a connecting hose; 8. a liquid inlet; 9. a condenser; 10. a liquid outlet; 11. a gas relay; 12. a support bar; 13. a low-pressure bushing; 14. a set screw; 15. a connecting rod; 16. a heat radiation fan; 17. An oil; 18. winding; 19. an iron core; 20. a condenser supporting seat; 21. and (4) connecting the pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a 330kV transformer includes a base 1, an oil tank 2 is fixedly installed at the top end of the base 1, an iron core 19 is fixedly installed at the top end of the base 1, a winding 18 is fixedly installed on the outer wall of the iron core 19, oil 17 is filled in the inner wall of the oil tank 2, the iron core 19 and the winding 18 are both inside the oil tank 2, and the iron core 19 and the winding 18 are both soaked in the oil 17, the iron core 19 and the winding 18 are soaked in the oil 17 to transfer the heat dissipated by the two during operation to a heat sink 3 through the oil 17, the outer wall of the oil tank 2 is fixedly installed with the heat sink 3, a connecting rod 15 is fixedly installed at the top end of the heat sink 3, a positioning hole is opened at the top end of the connecting rod 15, a fixing screw 14 is inserted in the positioning hole, the number of the fixing screw 14 is four, and the two fixing screws 14 are symmetrically installed on the heat sink 3 with the, the bottom end of the connecting rod 15 is movably connected with two heat dissipating fans 16, the two heat dissipating fans 16 are symmetrically arranged on the two heat dissipating fins 3 by taking the central line of the oil tank 2 as a symmetry axis, the heat dissipating speed of the heat dissipating fins 3 can be obviously improved by using the double fans to dissipate heat for the heat dissipating fins 3, the inner ring of the heat dissipating fan 16 is provided with a buffer spring, the spring presents central symmetry distribution by taking the circle center of the inner ring of the heat dissipating fan 16 as a symmetry point, the shaking during the rotation of the heat dissipating fan 16 can be buffered by using the spring, so that the work of the heat dissipating fan 16 is more stable, the top end of the oil tank 2 is fixedly connected with a supporting rod 12, the top end of the oil tank 2 is fixedly provided with a high-pressure sleeve 4, the top end of the oil tank 2 is, an oil delivery pipe 6 is fixedly arranged on the outer wall of the conservator 5, the top end of the oil delivery pipe 6 is movably connected with a connecting hose 7, the top end of the connecting hose 7 is movably connected with a liquid inlet 8, the top end of the liquid inlet 8 is fixedly provided with a condenser 9, the bottom end of the condenser 9 is fixedly connected with a condenser supporting seat 20, the top end of the condenser 9 is fixedly connected with a liquid outlet 10, the number of the connecting hoses 7 is two, the connecting hose 7 positioned on the right side of the condenser 9 is connected with the liquid inlet 8 and the oil delivery pipe 6, the connecting hose 7 positioned on the left side of the condenser 9 is connected with the liquid outlet 10 and the conservator 5, the appearance of one end of the connecting hose 7 connected with the oil delivery pipe 6 is funnel-shaped, the funnel-shaped oil delivery pipe 6 can be better wrapped to prevent oil 17 from leaking from the joint of the oil delivery pipe and the conserv, one end of the oil delivery pipe 6 is arranged at the bottom end of the conservator 5 so that even if the amount of the oil 17 in the conservator 5 is small, the small amount of the oil 17 can be delivered to the condenser 9, and the connection part of the liquid outlet 10 and the conservator 5 is arranged at the top end of the conservator 5 so as to prevent the oil from flowing back into the condenser 9 from the liquid outlet 10 when the oil 17 is too high.

The working principle of the 330kV transformer is that when the transformer works, the windings 18 and the iron core 19 can emit heat, the heat emitted by the windings 18 and the iron core 19 is transferred to the radiating fins 3 through the oil 17 in the oil tank 2, the radiating fans 16 are fixedly connected to the radiating fins 3, the heat on the radiating fins 3 is blown away through airflow generated by the rotation of the radiating fans 16, the effect of accelerating the speed of the heat emitted by the radiating fins 3 is achieved, because the heat emitted by the windings 18 and the iron core 19 affects the oil 17, the oil 17 is heated and expands and flows upwards into the conservator 5 through the connecting pipe 21, the oil 17 in the conservator 5 has higher heat, the oil 17 with high heat is conveyed into the condenser 9 through the oil conveying pipe 6 and the connecting hose 7 to be cooled, the oil 17 is conveyed into the conservator 5 through the liquid outlet 10, the effect of accelerating the cooling of the oil 17 is achieved, wherein one end of the oil conveying pipe 6, which is connected with the conservator 5, is positioned at the bottom end of, the position where the liquid outlet 10 is connected with the conservator 5 through the connecting hose 7 is located at the top end of the outer wall of the conservator 5, one end of the oil conveying pipe 6 is arranged at the bottom end of the conservator 5, so that even if the amount of oil 17 in the conservator 5 is small, the small amount of oil 17 can be conveyed to the condenser 9, and the connection position of the liquid outlet 10 and the conservator 5 is at the top end of the conservator 5, so that the oil 17 is prevented from flowing back into the condenser 9 from the liquid outlet 10 when the oil 17 is too high.

To sum up, this 330 kV's transformer, at the during operation, winding 18 and iron core 19 can give off heat, the heat that winding 18 and iron core 19 distribute passes through oil 17 in the oil tank 2 gives off heat that winding 18 and iron core 19 distribute for fin 3, fixedly connected with radiator fan 16 on the fin 3, the air current that produces through radiator fan 16 rotation blows away the heat on the fin 3, the effect of radiating the thermal speed of fin 3 with higher speed has been played, because the heat that winding 18 and iron core 19 distribute is to oil 17's influence, oil 17 is heated the inflation and can upwards flows in conservator 5 through connecting pipe 21, oil 17 in conservator 5 all has higher heat this moment, oil 17 high with the heat is carried into condenser 9 through defeated oil pipe 6 and connecting hose 7 and is cooled, in importing conservator 5 through liquid outlet 10, the effect of cooling oil 17 with higher speed has been played.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. A330 kV transformer comprises a base (1), and is characterized in that: the oil tank is characterized in that an oil tank (2) is fixedly mounted at the top end of the base (1), an iron core (19) is fixedly mounted at the top end of the base (1), a winding (18) is fixedly mounted on the outer wall of the iron core (19), oil (17) is filled in the inner wall of the oil tank (2), a cooling fin (3) is fixedly mounted on the outer wall of the oil tank (2), a connecting rod (15) is fixedly mounted at the top end of the cooling fin (3), a positioning hole is formed in the top end of the connecting rod (15), a fixing screw (14) is inserted into the positioning hole, a cooling fan (16) is movably connected at the bottom end of the connecting rod (15), a supporting rod (12) is fixedly connected at the top end of the oil tank (2), a high-pressure sleeve (4) is fixedly mounted at the top end of, connecting pipe (21) outer wall fixed mounting has gas relay (11), bracing piece (12) top fixed mounting has conservator (5), conservator (5) outer wall fixed mounting has defeated oil pipe (6), defeated oil pipe (6) top swing joint has coupling hose (7), coupling hose (7) top swing joint has inlet (8), inlet (8) top fixed mounting has condenser (9), condenser (9) bottom fixedly connected with condenser supporting seat (20), condenser (9) top fixedly connected with liquid outlet (10).

2. A 330kV transformer according to claim 1, characterized in that: the number of the heat radiation fans (16) is two, and the heat radiation fans are symmetrically arranged on the two heat radiation fins (3) by taking the central line of the oil tank (2) as a symmetry axis.

3. A 330kV transformer according to claim 1, characterized in that: the iron core (19) and the winding (18) are both arranged inside the oil tank (2), and the iron core (19) and the winding (18) are both soaked in the oil (17).

4. A 330kV transformer according to claim 1, characterized in that: the inner ring of the cooling fan (16) is provided with a buffer spring, and the springs are distributed in a centrosymmetric manner by taking the circle center of the inner ring of the cooling fan (16) as a symmetric point.

5. A 330kV transformer according to claim 1, characterized in that: the number of the fixing screws (14) is four, and every two fixing screws are symmetrically arranged on the radiating fins (3) in a group by taking the central line of the oil tank (2) as a symmetry axis.

6. A 330kV transformer according to claim 1, characterized in that: connecting hose (7) quantity is two, is located connecting hose (7) on condenser (9) right side and connects inlet (8) and defeated oil pipe (6), is located left connecting hose (7) of condenser (9) and connects liquid outlet (10) and conservator (5), and connecting hose (7) connect the one end appearance of defeated oil pipe (6) and be hourglass hopper-shaped.

7. A 330kV transformer according to claim 1, characterized in that: defeated oil pipe (6) one end position of connecting conservator (5) is in conservator (5) right side outer wall bottom, and the position that liquid outlet (10) are connected through coupling hose (7) and conservator (5) is located conservator (5) outer wall top.