CN114883092A

CN114883092A - Oil-immersed transformer with explosion-proof early warning protection architecture

Info

Publication number: CN114883092A
Application number: CN202210536775.5A
Authority: CN
Inventors: 许俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-09

Abstract

The invention provides an oil-immersed transformer with an explosion-proof early warning protection structure, relates to the technical field of oil-immersed transformers, and solves the problems that a transformer main body cannot play a role in warning during pressure relief, so that workers cannot check the reason of high voltage generation in time, and potential safety hazards exist. An oil-immersed transformer with an explosion-proof early warning protection structure comprises a transformer main body; the transformer main body is of a box-type structure, and a fixing sleeve is arranged on the upper end face of the transformer main body. According to the invention, when the second retaining ring is attached to the right end side plate of the second pressure relief pipe, the anode of the power supply assembly is attached to the lower end face of the conductive block, the upper end face of the conductive block is attached to the alarm, the alarm is in a power-on starting state at the moment, and the alarm can give out an early warning alarm, so that the purpose of warning workers is achieved, and the workers can check the reasons in time, so that accidents are avoided.

Description

Oil-immersed transformer with explosion-proof early warning protection architecture

Technical Field

The invention belongs to the technical field of oil immersed transformers, and particularly relates to an oil immersed transformer with an explosion-proof early warning protection structure.

Background

Distribution transformer is one of the important equipment in industrial and mining enterprises and civil building power supply and distribution system, and oil-immersed transformer's ware body all adorns in the oil tank that is full of transformer oil, and the oil tank welds into with the steel sheet, because the inside oil that has been full of transformer for after the explosion accident, can cause huge loss, consequently need design an oil-immersed transformer that has early warning protection architecture.

The patent with the application number of CN202110643853.7 can be referred to, which discloses an oil-immersed transformer with an explosion-proof protection structure, belonging to the field of oil-immersed transformers, and the oil-immersed transformer with the explosion-proof protection structure can realize that when the main body of the oil-immersed transformer works for a long time and the transformer oil in the main body of the oil-immersed transformer is in a high-temperature and high-pressure state, the pressure of the transformer oil can be concentrated at the connecting part between the main body of the oil-immersed transformer and an explosion-proof protection pot, and a movable sealing plug is damaged, and the high-pressure transformer oil is discharged into a protection pot to ensure the oil pressure safety in the main body of the oil-immersed transformer, thereby protecting the oil-immersed transformer, preventing the whole transformer from bursting by controlling the pressure release point of the transformer oil in the oil-immersed transformer under the high temperature and the high pressure, and preventing the transformer oil from splashing along with the explosion fragments of the transformer, is not easy to cause damage to human bodies, fire disasters and serious casualties.

Based on the above patent search, and in combination with the device discovery in the prior art, there are two disadvantages:

firstly, the transformer main body cannot play a role in warning when the pressure is released, so that a worker cannot check the reason of high voltage generation in time, and potential safety hazards exist;

secondly, the method comprises the following steps: after the transformer body has an explosion accident, no other protective measures are taken to reduce secondary disasters.

Disclosure of Invention

The invention aims to solve the problems, and provides an oil-immersed transformer with an explosion-proof early warning protection structure, which solves the problem that a transformer main body cannot play a role in warning when pressure is relieved, so that workers cannot check the reason of high voltage generation in time, and potential safety hazards exist; there is also a problem in that the burning of oil causes a great loss after an explosion accident of the transformer body.

In order to achieve the purpose, the invention provides the following technical scheme: an oil-immersed transformer with an explosion-proof early warning protection structure comprises a transformer main body;

the transformer main body is of a box-type structure, and a fixed sleeve is arranged on the upper end face of the transformer main body;

the stainless steel detection rod is clamped in the fixed sleeve in a sliding manner, and the lower end surface of the stainless steel detection rod is provided with a temperature probe;

the first pressure relief pipe is fixedly arranged on the upper end face of the transformer main body and communicated with the transformer main body, and a first retaining ring is fixedly arranged in the first pressure relief pipe;

the second pressure relief pipe is fixedly arranged on the left end face of the first pressure relief pipe, the left end and the right end of the second pressure relief pipe are respectively provided with an air outlet pipe, the middle position of the lower end face of the second pressure relief pipe is provided with a power supply assembly, the middle position of the upper end face of the second pressure relief pipe is provided with an alarm, and the negative electrode of the power supply assembly is connected with the pin of the alarm through a wire;

the sliding rod is slidably clamped in a through hole in the surface of a baffle at the right end of the second pressure relief pipe, and the front end face of the sliding rod is fixedly connected with the movable baffle;

the base, the base is rectangular form, and the inside hollow structure that is of base, and the through hole has evenly been seted up on curb plate surface about the base, and the connecting pipe is evenly installed on the lower extreme surface of base, connecting pipe and base intercommunication, and a fixed otic placode is installed respectively at both ends around the base, and the fixed orifices has been seted up on the surface of fixed otic placode.

Furthermore, the inside of the fixed sleeve is provided with a magnet which is arranged in a circular ring structure, and the outer end face of the magnet is attached to the outer end face of the stainless steel detection rod.

Furthermore, scale marking lines are evenly arranged on the surface of the stainless steel detection rod, the distance between every two adjacent scale marking lines is the same, and different scale marking lines are filled with different colors.

Furthermore, a sliding plate is installed in the first pressure relief pipe, the sliding plate is of a circular plate-shaped structure, the outer end face of the sliding plate is attached to the inner end face of the first pressure relief pipe, a first compression spring is installed on the upper end face of the sliding plate, and the top end of the first compression spring is fixedly connected with the top end of the first pressure relief pipe.

Furthermore, the surface mounting of slide bar has the second to keep off the ring, and the outside of slide bar has still cup jointed second compression spring, second compression spring front end and removal baffle fixed connection, the rear end of second compression spring and the right-hand member curb plate fixed connection of second pressure release pipe.

Furthermore, a groove is formed in each of the upper end and the lower end of the movable baffle, a conductive block is further mounted inside the movable baffle, the upper end face and the lower end face of the conductive block are flush with the inner end face of the groove, when the second baffle ring is attached to the right end side plate of the second pressure relief pipe, the anode of the power supply assembly is attached to the lower end face of the conductive block, the upper end face of the conductive block is attached to the alarm, and the alarm is in a power-on starting state at the moment.

Furthermore, two fixing blocks are symmetrically installed on the upper end face of the base, a fixing screw is connected to the surface of each fixing block in a threaded mode, and a limiting circular plate is installed at the front end of each fixing screw.

Further, the internal thread has been seted up to the inside lower extreme of connecting pipe, and connecting pipe lower extreme threaded connection has fixed awl, and fixed awl is inside to be the intermediate structure, and four oil-outs have still been seted up on the surface of fixed awl, and the oil-out is the loop configuration setting.

Compared with the prior art, the invention has the following beneficial effects:

in the invention: the surface of stainless steel gauge stick is equipped with scale mark line, the scale mark line is filled there is different colours, the workman is when carrying out temperature detection to the transformer main part of different specifications, can confirm the position of temperature probe in transformer main part inside according to scale mark line, still through the setting of fixed inside casing magnet, after confirming the temperature probe position, through the appeal between magnet and the stainless steel gauge stick, can fix the stainless steel gauge stick inside fixed casing, thereby realize the monitoring to the inside temperature of insulating oil.

In addition, first compression spring is installed to the sliding plate up end, and at the increase of transformer main part internal pressure, high-pressure gas can drive the inside sliding plate upward movement of first pressure release pipe, then inside gas enters into the second pressure release pipe from first pressure release pipe to discharge from the gas outlet, after the pressure release, the leakproofness of transformer main part has been guaranteed in the downward motion of sliding plate under the effect of first compression spring elasticity.

In addition, when the second kept off ring and second pressure release pipe right-hand member curb plate laminating, terminal surface laminating under the anodal of power supply module and the conducting block, the up end and the siren laminating of conducting block, the siren is in the circular telegram start-up state this moment, and the siren can send out the early warning alarm to play warning workman's purpose, the workman in time looks over the reason, thereby avoids the emergence accident.

In addition, through the setting of base both ends surface through hole for inside insulating oil can enter into the base through the through hole, then the inside insulating oil of base can be absorbed by the inside sponge of connecting pipe, after the insulating oil after the sponge absorption is enough, insulating oil can enter into the ground through the oil-out of fixed conical surface, can reduce insulating oil's quantity through adopting such mode, thereby reduce the injury that produces after the explosion of transformer main part.

Drawings

FIG. 1 is a schematic diagram of the overall apparatus of the present invention;

FIG. 2 is a schematic view of a base structure according to the present invention;

FIG. 3 is a schematic view of the connection structure of the base and the connection tube according to the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the structure of the sliding rod and the movable baffle of the present invention;

FIG. 6 is a schematic structural view of a fixing sleeve and a stainless steel probe rod according to the present invention;

FIG. 7 is a schematic view of a connection structure of a first pressure relief pipe and a second pressure relief pipe according to the present invention;

FIG. 8 is a schematic cross-sectional view of a first pressure relief tube according to the present invention;

FIG. 9 is a schematic diagram of the connection of the power supply assembly of the present invention to an alarm;

fig. 10 is a schematic cross-sectional view of a second pressure relief pipe according to the present invention.

In the figure:

1. a transformer body; 101. fixing the sleeve; 1011. a magnet; 2. a stainless steel probe rod; 201. a temperature probe; 202. scale marking lines; 3. a first pressure relief tube; 301. a first retainer ring; 4. a sliding plate; 401. a first compression spring; 5. a second pressure relief tube; 501. an air outlet pipe; 6. a power supply component; 7. an alarm; 8. a slide bar; 801. a second retainer ring; 9. moving the baffle; 901. a conductive block; 10. a second compression spring; 11. a base; 1101. a fixed block; 1102. fixing the screw rod; 1103. fixing the ear plate; 1104. a through hole; 12. a connecting pipe; 13. a fixed cone; 1301. and an oil outlet.

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.

Examples

As shown in fig. 1 to 10, the present invention provides an oil-immersed transformer with an explosion-proof early warning protection structure, which includes a transformer main body 1;

the transformer main body 1 is of a box-type structure, and a fixed sleeve 101 is arranged on the upper end face of the transformer main body 1;

the stainless steel detection rod 2 is clamped inside the fixed sleeve 101 in a sliding manner, and the lower end face of the stainless steel detection rod 2 is provided with a temperature probe 201;

the first pressure relief pipe 3 is fixedly arranged on the upper end face of the transformer main body 1, the first pressure relief pipe 3 is communicated with the transformer main body 1, and a first baffle ring 301 is fixedly arranged in the first pressure relief pipe 3;

the second pressure relief pipe 5 is fixedly arranged on the left end face of the first pressure relief pipe 3, the left end and the right end of the second pressure relief pipe 5 are respectively provided with an air outlet pipe 501, the middle position of the lower end face of the second pressure relief pipe 5 is provided with a power supply assembly 6, the middle position of the upper end face of the second pressure relief pipe 5 is provided with an alarm 7, and the negative electrode of the power supply assembly 6 is connected with a pin of the alarm 7 through a wire;

the sliding rod 8 is slidably clamped in a through hole in the surface of a baffle at the right end of the second pressure relief pipe 5, and the front end face of the sliding rod 8 is fixedly connected with the movable baffle 9;

base 11, base 11 are rectangular form, and base 11 is inside to be hollow structure, and through hole 1104 has evenly been seted up on the left and right sides curb plate surface of base 11, and connecting pipe 12 is evenly installed to the lower extreme surface of base 11, and connecting pipe 12 and base 11 intercommunication, a fixed otic placode 1103 is installed respectively at base 11's front and back both ends, and the fixed orifices has been seted up on the surface of fixed otic placode 1103.

Wherein, the internally mounted of adapter sleeve 101 has magnet 1011, and magnet 1011 is the setting of ring structure, and the laminating of the outer terminal surface of magnet 1011 and stainless steel gauge rod 2, scale marking 202 has evenly been seted up on stainless steel gauge rod 2's surface, and the distance between two adjacent scale marking 202 is the same, and different scale marking 202 packs has different colours.

By adopting the scheme, the technical effects are as follows: the workman can insert stainless steel gauge rod 2 in fixed sleeve 101, let temperature probe 201 stretch into in the inside insulating oil of transformer main part 1, can survey the temperature of insulating oil, and the surface of stainless steel gauge rod 2 is equipped with scale mark line 202, scale mark line 202 is filled with different colours, the workman is when carrying out temperature detection to the transformer main part 1 of different specifications, can confirm the position of temperature probe 201 in transformer main part 1 inside according to scale mark line 202, still through the setting of the inside magnet 1011 of fixed sleeve 101, after confirming temperature probe 201 position, through the appeal between magnet 1011 and the stainless steel gauge rod 2, can fix stainless steel gauge rod 2 inside fixed sleeve 101.

Wherein, first pressure release pipe 3 internally mounted has a sliding plate 4, sliding plate 4 is the round plate-shaped structure, the laminating of the outer terminal surface of sliding plate 4 and the interior terminal surface of first pressure release pipe 3, first compression spring 401 is installed to the up end of sliding plate 4, the top fixed connection of first compression spring 401 top and first pressure release pipe 3, the surface mounting of slide bar 8 has second fender ring 801, second compression spring 10 has still been cup jointed to the outside of slide bar 8, second compression spring 10 front end and removal baffle 9 fixed connection, the rear end of second compression spring 10 and the right-hand member curb plate fixed connection of second pressure release pipe 5.

By adopting the scheme, the technical effects are as follows: when transformer body 1 takes place coil turn-to-turn short circuit phenomenon, can lead to the oil temperature to rise, the increase of 1 internal pressure of transformer body, high-pressure gas can drive the inside sliding plate 4 upward movement of first pressure release pipe 3, then inside gas enters into second pressure release pipe 5 from first pressure release pipe 3, promote the inside movable baffle 9 right side motion of second pressure release pipe 5, then high-pressure gas is discharged from the gas outlet at second pressure release pipe 5 both ends, can play the effect of pressure release, prevent that transformer body 1 from taking place the explosion accident.

The upper end and the lower end of the movable baffle plate 9 are respectively provided with a groove, the movable baffle plate 9 is internally provided with a conductive block 901, the upper end face and the lower end face of the conductive block 901 are respectively flush with the inner end face of the groove, when the second baffle ring 801 is attached to the right end side plate of the second pressure relief pipe 5, the anode of the power supply assembly 6 is attached to the lower end face of the conductive block 901, the upper end face of the conductive block 901 is attached to the alarm 7, and the alarm 7 is in a power-on starting state at the moment.

By adopting the scheme, the technical effects are as follows: when the inside atmospheric pressure of transformer body 1 is too big, gas can enter into in the second pressure release pipe 5 from first pressure release pipe 3, then discharge from the outlet duct 501 at second pressure release pipe 5 both ends, gaseous promotion movable baffle 9 right motion this moment, when second fender ring 801 and second pressure release pipe 5 right-hand member curb plate laminating, power supply module 6's positive pole and the laminating of conducting block 901 lower terminal surface, the up end and the 7 laminating of siren of conducting block 901, siren 7 is in the circular telegram start-up state this moment, siren 7 can send the early warning alarm, thereby play the warning workman mesh, the workman in time looks over the reason, thereby avoid taking place the accident.

Two fixing blocks 1101 are symmetrically installed on the upper end face of the base 11, a fixing screw 1102 is connected to the surface of each fixing block 1101 in a threaded mode, and a limiting circular plate is installed at the front end of each fixing screw 1102.

By adopting the scheme, the technical effects are as follows: fixing cone 13 is installed to connecting pipe 12 lower extreme, and the workman can insert connecting pipe 12 in the soil to fix base 11 subaerial, then set screw 1102 threaded connection is on the surface of fixed block 1101, and when the workman put transformer main body 1 on base 11 surface, can rotate set screw 1102, let the spacing plectane of set screw 1102 front end closely laminate with transformer main body 1, can realize the fixed to not equidimension transformer main body 1.

Wherein, the internal thread has been seted up to the inside lower extreme of connecting pipe 12, and connecting pipe 12 is inside to be filled there is the sponge, and connecting pipe 12 lower extreme threaded connection has solid fixed cone 13, and gu fixed cone 13 is inside to be the intermediate structure, and four oil-outs 1301 have still been seted up on the surface of solid fixed cone 13, and oil-out 1301 is the loop configuration setting.

By adopting the scheme, the technical effects are as follows: after the transformer body 1 bursts, the insulating oil in the transformer body 1 can flow out, through the arrangement of the through holes 1104 on the two end surfaces of the base 11, the insulating oil can enter the base 11 through the through holes 1104, then the insulating oil in the base 11 can be absorbed by the sponge in the connecting pipe 12, after the sponge absorbs the insulating oil after enough, the insulating oil can enter the ground through the oil outlet 1301 on the surface of the fixed cone 13, the quantity of the insulating oil can be reduced by adopting the mode, and the damage caused after the explosion of the transformer body 1 is reduced.

When in use: the fixing cone 13 is installed at the lower end of the connecting pipe 12, a worker can insert the connecting pipe 12 into the ground, so as to fix the base 11 on the ground, then the fixing screw 1102 is in threaded connection with the surface of the fixing block 1101, when the worker places the transformer body 1 on the surface of the base 11, the fixing screw 1102 can be rotated, the limiting circular plate at the front end of the fixing screw 1102 is tightly attached to the transformer body 1, so as to fix the transformer bodies 1 with different sizes, the worker inserts the stainless steel detecting rod 2 into the fixing sleeve 101, so as to enable the temperature probe 201 to extend into the insulating oil in the transformer body 1, so as to detect the temperature of the insulating oil, the scale marking lines 202 are arranged on the surface of the stainless steel detecting rod 2, the scale marking lines 202 are filled with different colors, when the worker detects the temperatures of the transformer bodies 1 with different specifications, the position of the temperature probe 201 in the transformer body 1 can be determined according to the scale marking lines 202, by arranging the magnet 1011 inside the fixed sleeve 101, after the position of the temperature probe 201 is determined, the stainless steel detection rod 2 can be fixed inside the fixed sleeve 101 by the attraction between the magnet 1011 and the stainless steel detection rod 2, when the coil turn-to-turn short circuit phenomenon occurs to the transformer main body 1, the oil temperature is increased, the pressure inside the transformer main body 1 is increased, the high-pressure gas can drive the sliding plate 4 inside the first pressure relief pipe 3 to move upwards, then the gas enters the second pressure relief pipe 5 from the first pressure relief pipe 3 to push the movable baffle plate 9 inside the second pressure relief pipe 5 to move rightwards, then the high-pressure gas is discharged from the gas outlets at two ends of the second pressure relief pipe 5, the pressure relief effect can be achieved, the explosion accident of the transformer main body 1 is prevented, the gas pushes the movable baffle plate 9 to move rightwards, when the second baffle ring 801 is attached to the right end plate of the second pressure relief pipe 5, the positive electrode of the power supply assembly 6 is attached to the lower end face of the conductive block 901, the upper end face of the conductive block 901 is attached to the alarm 7, the alarm 7 is in a power-on starting state at the moment, the alarm 7 can give out early warning alarm, so that the purpose of warning workers is achieved, the workers can check the reason in time, and accidents are avoided, after the transformer body 1 bursts, the insulating oil inside the transformer body 1 may flow out, through the arrangement of the through holes 1104 on the two end surfaces of the base 11, the insulating oil can enter the inner part of the base 11 through the through holes 1104, then, the insulating oil inside the base 11 is absorbed by the sponge inside the connecting pipe 12, and after the sponge absorbs enough insulating oil, the insulating oil enters the ground through the oil outlet 1301 on the surface of the fixed cone 13, by adopting such a manner, the amount of insulating oil is reduced, thereby reducing damage after the explosion of the transformer body 1.

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

1. The utility model provides an oil-immersed transformer with explosion-proof early warning protection architecture which characterized in that: comprises a transformer body (1); the transformer main body (1) is of a box-type structure, and a fixed sleeve (101) is arranged on the upper end face of the transformer main body (1); the stainless steel detection rod (2), the sliding clamp of the stainless steel detection rod (2) is arranged in the fixed sleeve (101), and the lower end face of the stainless steel detection rod (2) is provided with a temperature probe (201); the first pressure relief pipe (3) is fixedly installed on the upper end face of the transformer main body (1), the first pressure relief pipe (3) is communicated with the transformer main body (1), and a first retaining ring (301) is fixedly installed inside the first pressure relief pipe (3); the second pressure relief pipe (5) is fixedly installed on the left end face of the first pressure relief pipe (3), an air outlet pipe (501) is installed at each of the left end and the right end of the second pressure relief pipe (5), a power supply assembly (6) is installed in the middle of the lower end face of the second pressure relief pipe (5), an alarm (7) is installed in the middle of the upper end face of the second pressure relief pipe (5), and the negative electrode of the power supply assembly (6) is connected with the pin of the alarm (7) through a wire; the sliding rod (8) is slidably clamped in a through hole in the surface of a baffle at the right end of the second pressure relief pipe (5), and the front end face of the sliding rod (8) is fixedly connected with the movable baffle (9); base (11), base (11) are rectangular form, and base (11) are inside to be hollow structure, and through hole (1104) have evenly been seted up on the curb plate surface about base (11), and connecting pipe (12) are evenly installed to the lower extreme surface of base (11), and connecting pipe (12) and base (11) intercommunication, one fixed otic placode (1103) are installed respectively to base (11) front and back both ends, and the fixed orifices has been seted up on the surface of fixed otic placode (1103).

2. The oil-immersed transformer with explosion-proof early warning protection architecture of claim 1, characterized in that: the magnet (1011) is installed to the internally mounted of fixed sleeve pipe (101), and magnet (1011) sets up for the ring form structure, and the outer terminal surface of magnet (1011) and the outer terminal surface laminating of stainless steel gauge rod (2).

3. The oil-immersed transformer with the explosion-proof early warning protection structure according to claim 1, characterized in that: scale mark lines (202) have evenly been seted up on the surface of stainless steel gauge rod (2), and the distance between two adjacent scale mark lines (202) is the same, and different scale mark lines (202) are filled there is different colours.

4. The oil-immersed transformer with explosion-proof early warning protection architecture of claim 1, characterized in that: the first pressure relief pipe (3) internally mounted has a sliding plate (4), and sliding plate (4) are the round plate-shaped structure, and the laminating of the interior terminal surface of outer terminal surface and first pressure relief pipe (3) of sliding plate (4), first compression spring (401) are installed to the up end of sliding plate (4), and first compression spring (401) top and the top fixed connection of first pressure relief pipe (3).

5. The oil-immersed transformer with the explosion-proof early warning protection structure according to claim 1, characterized in that: the surface mounting of slide bar (8) has second to keep off ring (801), and second compression spring (10) have still been cup jointed to the outside of slide bar (8), and second compression spring (10) front end and movable baffle (9) fixed connection, the rear end of second compression spring (10) and the right-hand member curb plate fixed connection of second pressure release pipe (5).

6. The oil-immersed transformer with the explosion-proof early warning protection structure according to claim 1, characterized in that: a groove is formed in each of the upper end and the lower end of the movable baffle (9), a conductive block (901) is further mounted inside the movable baffle (9), the upper end face and the lower end face of the conductive block (901) are flush with the inner end face of the groove, when the second baffle ring (801) is attached to the right end side plate of the second pressure relief pipe (5), the anode of the power supply assembly (6) is attached to the lower end face of the conductive block (901), the upper end face of the conductive block (901) is attached to the alarm (7), and the alarm (7) is in a power-on starting state at the moment.

7. The oil-immersed transformer with the explosion-proof early warning protection structure according to claim 1, characterized in that: two fixing blocks (1101) are symmetrically installed on the upper end face of the base (11), a fixing screw (1102) is connected to the surface of each fixing block (1101) in a threaded mode, and a limiting circular plate is installed at the front end of each fixing screw (1102).

8. The oil-immersed transformer with the explosion-proof early warning protection structure according to claim 1, characterized in that: the internal thread is seted up to the inside lower extreme of connecting pipe (12), and connecting pipe (12) lower extreme threaded connection has fixed awl (13), and fixed awl (13) inside is middle structure, and four oil-outs (1301) have still been seted up on the surface of fixed awl (13), and oil-out (1301) are the loop configuration setting.