CN112509794A

CN112509794A - Explosion-proof transformer with earth leakage protection detection mechanism

Info

Publication number: CN112509794A
Application number: CN202011277189.0A
Authority: CN
Inventors: 龚爱珍
Original assignee: Individual
Current assignee: Guangdong Xinxuan Electronic Technology Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-16
Anticipated expiration: 2040-11-16
Also published as: CN112509794B

Abstract

The invention discloses an explosion-proof transformer with a leakage protection detection mechanism, which comprises a transformer main body, an explosion-proof plate and an explosion-proof power-off mechanism, and has the advantages that the air pressure in the transformer main body is the same as the outside, the automatic explosion-proof effect is achieved, the influence of the internal air pressure is avoided, and after the relative plate bodies are opened, the air in the transformer main body flows in a large area, so that not only can the smoke generated by the transformer main body be blown away, but also the inside can be rapidly cooled, the further damage to a lead wire or other mechanisms caused by overhigh temperature is avoided, when the explosion-proof power-off mechanism works, under the driving effect of a servo motor, a single tooth is stirred to drive a stirring head to further drive a rotating block to rotate, the lower end of the rotating block rotates outwards, a main brake is opened under the rotating effect of the rotating block, and the main brake is matched with a leakage protector to achieve double protection, further improving the leakage protection effect of the transformer.

Description

Explosion-proof transformer with earth leakage protection detection mechanism

Technical Field

The invention relates to the technical field of transformers, in particular to an explosion-proof transformer with a leakage protection detection mechanism.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

However, present transformer exists and all uses earth-leakage protector to carry out earth-leakage protection, but earth-leakage protector also has when damaging or dumb, this makes untimely outage behind the transformer damage, can cause very big influence, and present transformer's explosion-proof mostly is the enhancement of transformer body or utilizes the pressure release principle explosion-proof, these methods are influenced by the inside pressure size of transformer greatly, explosion-proof effect is poor, and mostly be disposable explosion-proof, be difficult to used repeatedly, also explosion-proof, cooling and smoke abatement all set up a plurality of mechanisms, preparation and use cost are high, the also high problem of fault rate.

Therefore, we have proposed an explosion-proof transformer with a leakage protection detection mechanism.

Disclosure of Invention

The invention aims to provide an explosion-proof transformer with an electric leakage protection detection mechanism, when the transformer main body leaks electricity, any one of the transformer main body, a smoke sensor and a temperature sensor detects the electricity leakage and transmits a signal to a single chip microcomputer, the single chip microcomputer controls a servo motor to rotate so as to drive a driving gear to rotate, the driving gear drives a first driven gear to rotate so as to drive a second driven gear and a third driven gear to drive corresponding racks to move, when a chuck driven by the racks is separated from the transformer main body, plate bodies on two sides of the transformer main body are opened under the pushing action force of a pushing spring, so that the air pressure in the transformer main body is the same as the outside, the automatic explosion-proof effect is achieved, the influence of the internal air pressure is avoided, and after the opposite plate bodies are opened, the air in the transformer main body flows in a large area, under the driving effect of the servo motor, the poking single teeth also rotate to further drive the poking head to drive the rotating block to rotate, the lower end of the rotating block rotates outwards, the original closed main brake in the transformer main body can be attached to the lower end of the rotating block, and the main brake is opened under the rotating effect of the rotating block, so that the problems in the background are solved.

In order to achieve the purpose, the invention provides the following technical scheme: an explosion-proof transformer with a leakage protection detection mechanism comprises a transformer main body, explosion-proof plates and an explosion-proof power-off mechanism, wherein the explosion-proof plates are arranged on two sides of the transformer main body;

the explosion-proof plate comprises a plate body, a rotating column, a clamping piece, a smoke sensor, a single chip microcomputer and a temperature sensor, wherein the rotating column is fixedly arranged on two sides of one end of the rotating column;

explosion-proof outage mechanism includes drive assembly, first installation piece, the runner assembly, first driven gear, second installation piece and outage subassembly, drive assembly's one end and one side fixed connection of first installation piece, and the other end and the inboard of second installation piece are connected, the one end and the transformer main part fixed connection of first installation piece, the other end of first installation piece is provided with first bearing, the inner ring of first bearing is run through to the fixed one end of runner assembly, first driven gear is fixed overlaps in the middle part of runner assembly, the one end and the transformer main part fixed connection of second installation piece, the other end of second installation piece is provided with the second bearing, the other end of runner assembly and the inner ring fixed connection of second bearing, the outage subassembly sets up on drive assembly.

Further, buckle spare includes first reset spring, second reset spring, rack, limit slider and dop, one side fixed connection of one end of first reset spring and limit slider, the opposite side fixed connection of one end of second reset spring and limit slider's one end, and limit slider is fixed to be set up in the both sides of rack, and the dop is fixed to be set up at the other end of rack, sets up the draw-in groove that supplies the dop card to go into in the transformer main part.

Furthermore, the driving assembly comprises a servo motor, a driving gear, a connecting support rod and a third bearing, the driving end of the servo motor is fixedly connected with one end of the driving gear, one end of the connecting support rod is fixedly connected with the other end of the driving gear, an inner ring of the third bearing is fixedly connected with the other end of the connecting support rod, and an outer ring of the third bearing is fixedly connected with the second mounting block.

Further, the singlechip is electrically connected with the flue gas sensor, the temperature sensor, the servo motor and the transformer main body.

Further, the rotating assembly comprises a second driven gear, a through connecting rod and a third driven gear, the second driven gear is fixedly arranged at one end of the through connecting rod, the third driven gear is fixedly arranged at the other end of the through connecting rod, the same pushing springs are arranged on the inner sides of the second driven gear and the third driven gear, and the third driven gear is meshed with the rack.

Furthermore, a connecting ring is arranged on the outer side of the connecting end of the driving gear and the servo motor, and a shifting single tooth is arranged at the lower end of the connecting ring.

Further, the outage subassembly is including connecting horizontal pole, anticreep piece, stirring head, turning block and stirring the post, and the anticreep piece sets up in the one end of connecting the horizontal pole, the upper end of turning block with be connected horizontal pole swing joint, stir the head setting in the upper end of turning block, stir the post setting at the lower extreme of turning block, stir the head and stir the monodentate corresponding.

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

1. when the transformer main body leaks electricity, any one of the transformer main body, the smoke sensor and the temperature sensor detects the electricity leakage and transmits a signal to the single chip microcomputer, the single chip microcomputer controls the servo motor to rotate so as to drive the driving gear to rotate, the driving gear drives the first driven gear to rotate so as to drive the second driven gear and the third driven gear to drive the corresponding racks to move, when the chuck driven by the racks is separated from the transformer main body, the plate bodies on the two sides of the transformer main body are opened under the pushing action of the pushing spring, so that the air pressure in the transformer main body is the same as the outside, the automatic explosion-proof effect is achieved, the influence of the internal air pressure is avoided, and after the opposite plate bodies are opened, the air in the transformer main body flows in a large area, not only can blow away the flue gas that the transformer main part produced, can give inside quick cooling moreover, avoided causing because of the high temperature to the further damage of wire or other mechanisms. .

2. According to the explosion-proof transformer with the leakage protection detection mechanism, one end of a first reset spring is fixedly connected with one side of one end of a limiting sliding block, one end of a second reset spring is fixedly connected with the other side of one end of the limiting sliding block, a clamping head is fixedly arranged at the other end of a rack, a clamping groove for the clamping head to be clamped is formed in a transformer main body, when a plate body is required to be closed, the plate body is directly pushed, the clamping head can be clamped into the clamping groove formed in the transformer main body, and the plate body is quickly and conveniently closed.

3. The invention provides an explosion-proof transformer with a leakage protection detection mechanism, wherein the lower end of a connecting ring is provided with a toggle single tooth, an anti-falling sheet is arranged at one end of a connecting cross rod, the upper end of a rotating block is movably connected with the connecting cross rod, a toggle head is arranged at the upper end of the rotating block, a toggle column is arranged at the lower end of the rotating block, the toggle head corresponds to the toggle single tooth, when the explosion-proof power-off mechanism works, the toggle single tooth also rotates under the driving effect of a servo motor, so that the toggle head is driven to drive the rotating block to rotate, the lower end of the rotating block rotates outwards, the original closed main brake in a transformer main body can be attached to the lower end of the rotating block, the main brake is opened under the rotating effect of the rotating block, the main brake is matched with a leakage protector to achieve double protection, and the leakage protection.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an explosion-proof transformer with a leakage protection detection mechanism according to the present invention;

FIG. 2 is a schematic diagram of a three-dimensional structure of an explosion-proof plate of an explosion-proof transformer with a leakage protection detection mechanism according to the present invention;

FIG. 3 is a schematic diagram of a three-dimensional structure of a fastener of the explosion-proof transformer with the leakage protection detection mechanism according to the present invention;

FIG. 4 is a schematic perspective view of a driving assembly of an explosion-proof transformer with a leakage protection detection mechanism according to the present invention;

FIG. 5 is a schematic perspective view of a driving assembly of an explosion-proof transformer with a leakage protection detection mechanism according to the present invention;

FIG. 6 is a schematic perspective view of a rotating assembly of the explosion-proof transformer with the leakage protection detecting mechanism according to the present invention;

FIG. 7 is a schematic diagram of a circuit control module of the explosion-proof transformer with the leakage protection detection mechanism according to the present invention;

fig. 8 is an enlarged schematic structural diagram of a portion a of fig. 5 of the explosion-proof transformer with the leakage protection detection mechanism according to the present invention;

fig. 9 is a schematic perspective view of a power-off assembly of the explosion-proof transformer with the leakage protection detection mechanism according to the present invention.

In the figure: 1. a transformer body; 11. a leakage protector; 2. an explosion-proof plate; 21. a plate body; 22. rotating the column; 23. a fastener; 231. a first return spring; 232. a second return spring; 233. a rack; 234. a limiting slide block; 235. clamping a head; 24. a flue gas sensor; 25. a single chip microcomputer; 26. a temperature sensor; 3. an explosion-proof power-off mechanism; 31. a drive assembly; 311. a servo motor; 312. a driving gear; 3121. a connecting ring; 3122. poking the single tooth; 313. connecting the supporting rods; 314. a third bearing; 32. a first mounting block; 321. a first bearing; 33. a rotating assembly; 331. a second driven gear; 3311. a push spring; 332. a through connecting rod; 333. a third driven gear; 34. a first driven gear; 35. a second mounting block; 351. a second bearing; 36. a power-off component; 361. connecting the cross bars; 362. an anti-drop sheet; 363. a poking head; 364. rotating the block; 365. the column is toggled.

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.

The first embodiment is as follows:

referring to fig. 1-2 and 4, an explosion-proof transformer with leakage protection detection mechanism includes a transformer body 1, an explosion-proof plate 2 and an explosion-proof power-off mechanism 3, the explosion-proof plate 2 is disposed on both sides of the transformer body 1, the explosion-proof power-off mechanism 3 is disposed on one side of the transformer body 1, the transformer body 1 is electrically connected with a leakage protector 11, the explosion-proof plate 2 includes a plate body 21, a rotation column 22, a latch 23, a smoke sensor 24, a single chip microcomputer 25 and a temperature sensor 26, the rotation column 22 is fixedly disposed on both sides of one end of the rotation column 22, the latch 23 is disposed inside the other end of the rotation column 22, the smoke sensor 24 is disposed on an inner side surface of the plate body 21, the single chip microcomputer 25 is disposed on the inner side surface of the plate body 21 near the smoke sensor 24, the single chip microcomputer 25 is electrically connected with the smoke sensor 24 and the temperature sensor 26 respectively, the temperature, the explosion-proof power-off mechanism 3 comprises a driving assembly 31, a first mounting block 32, a rotating assembly 33, a first driven gear 34 and a second mounting block 35, one end of the driving assembly 31 is fixedly connected with one side of the first mounting block 32, the other end of the driving assembly is connected with the inner side of the second mounting block 35, one end of the first mounting block 32 is fixedly connected with the transformer main body 1, the other end of the first mounting block 32 is provided with a first bearing 321, the fixed end of the rotating assembly 33 penetrates through an inner ring of the first bearing 321, the first driven gear 34 is fixedly sleeved in the middle of the rotating assembly 33, one end of the second mounting block 35 is fixedly connected with the transformer main body 1, the other end of the second mounting block 35 is provided with a second bearing 351, and the other end of the rotating assembly 33 is fixedly connected with an inner ring of the second bearing 351.

Referring to fig. 3, an explosion-proof transformer with a leakage protection detection mechanism, where the fastening member 23 includes a first return spring 231, a second return spring 232, a rack 233, a limit slider 234 and a chuck 235, one end of the first return spring 231 is fixedly connected to one side of one end of the limit slider 234, one end of the second return spring 232 is fixedly connected to the other side of one end of the limit slider 234, the limit slider 234 is fixedly disposed on both sides of the rack 233, the chuck 235 is fixedly disposed on the other end of the rack 233, a slot for the chuck 235 to be fastened in is formed in the transformer main body 1, when the plate body 21 is to be closed, the plate body 21 is directly pushed, the chuck 235 can be fastened into the slot formed in the transformer main body 1, and the plate body 21 is also quickly and conveniently closed.

Referring to fig. 5-7, a driving assembly 31 of the explosion-proof transformer with a leakage protection detection mechanism includes a servo motor 311, a driving gear 312, a connecting support rod 313 and a third bearing 314, a driving end of the servo motor 311 is fixedly connected with one end of the driving gear 312, one end of the connecting support rod 313 is fixedly connected with the other end of the driving gear 312, an inner ring of the third bearing 314 is fixedly connected with the other end of the connecting support rod 313, an outer ring of the third bearing 314 is fixedly connected with a second mounting block 35, and the servo motor 311 is electrically connected with a single chip microcomputer 25.

The rotating assembly 33 comprises a second driven gear 331, a through connecting rod 332 and a third driven gear 333, the second driven gear 331 is fixedly arranged at one end of the through connecting rod 332, the third driven gear 333 is fixedly arranged at the other end of the through connecting rod 332, the same pushing springs 3311 are arranged on the inner sides of the second driven gear 331 and the third driven gear 333, and the third driven gear 333 is in meshed connection with the rack 233.

When the transformer main body 1 leaks electricity, any one of the transformer main body 1, the smoke sensor 24 and the temperature sensor 26 detects the electricity leakage and transmits a signal to the single chip microcomputer 25, the single chip microcomputer 25 controls the servo motor 311 to rotate so as to drive the driving gear 312 to rotate, the driving gear 312 drives the first driven gear 34 to rotate, so that the second driven gear 331 and the third driven gear 333 drive the corresponding rack 233 to move, when the chuck 235 driven by the rack 233 is separated from the transformer main body 1, the plate bodies 21 on both sides of the transformer main body 1 are opened under the pushing action of the pushing spring 3311, so that the air pressure inside the transformer main body 1 is the same as the outside, the automatic explosion-proof effect is achieved, the influence of the internal air pressure is avoided, and after the opposite plate bodies 21 are opened, the air inside the transformer main body 1 flows, so that smoke generated by the transformer main body 1 can be blown out in a large area, and can give inside quick cooling, avoided causing further damage to wire or other mechanisms because of the high temperature.

Example two:

referring to fig. 1-2 and 4, an explosion-proof transformer with leakage protection detection mechanism includes a transformer body 1, an explosion-proof plate 2 and an explosion-proof power-off mechanism 3, the explosion-proof plate 2 is disposed on both sides of the transformer body 1, the explosion-proof power-off mechanism 3 is disposed on one side of the transformer body 1, the transformer body 1 is electrically connected with a leakage protector 11, the explosion-proof plate 2 includes a plate body 21, a rotation column 22, a latch 23, a smoke sensor 24, a single chip microcomputer 25 and a temperature sensor 26, the rotation column 22 is fixedly disposed on both sides of one end of the rotation column 22, the latch 23 is disposed inside the other end of the rotation column 22, the smoke sensor 24 is disposed on an inner side surface of the plate body 21, the single chip microcomputer 25 is disposed on the inner side surface of the plate body 21 near the smoke sensor 24, the single chip microcomputer 25 is electrically connected with the smoke sensor 24 and the temperature sensor 26 respectively, the temperature, the explosion-proof power-off mechanism 3 comprises a driving assembly 31, a first mounting block 32, a rotating assembly 33, a first driven gear 34, a second mounting block 35 and a power-off assembly 36, one end of the driving assembly 31 is fixedly connected with one side of the first mounting block 32, the other end of the driving assembly is connected with the inner side of the second mounting block 35, one end of the first mounting block 32 is fixedly connected with the transformer main body 1, the other end of the first mounting block 32 is provided with a first bearing 321, the fixed end of the rotating assembly 33 penetrates through an inner ring of the first bearing 321, the first driven gear 34 is fixedly sleeved in the middle of the rotating assembly 33, one end of the second mounting block 35 is fixedly connected with the transformer main body 1, the other end of the second mounting block 35 is provided with a second bearing 351, the other end of the rotating assembly 33 is fixedly connected with an inner ring of the second bearing 351, and the power-off assembly 36 is arranged.

Referring to fig. 8-9, an explosion-proof transformer with a leakage protection detection mechanism includes a connection ring 3121 disposed at an outer side of a connection end of a driving gear 312 and a servo motor 311, a single poking tooth 3122 disposed at a lower end of the connection ring 3121, a power-off assembly 36 including a connection cross bar 361, a disengagement-preventing piece 362, a poking head 363, a rotation block 364 and a poking column 365, the disengagement-preventing piece 362 disposed at one end of the connection cross bar 361, the upper end of the rotation block 364 movably connected to the connection cross bar 361, the poking head 363 disposed at the upper end of the rotation block 364, the poking column 365 disposed at the lower end of the rotation block 364, and the poking head 363 corresponding to the single.

When the explosion-proof power-off mechanism 3 works, under the driving effect of the servo motor 311, the single gear 3122 is shifted to rotate, and then the shifting head 363 is driven to drive the rotating block 364 to rotate, the lower end of the rotating block 364 rotates outwards, the original closed main brake speed in the transformer main body 1 can be attached to the lower end of the rotating block 364, the main brake is opened under the rotating effect of the rotating block 364, the double protection is achieved by matching with the leakage protector 11, and the leakage protection effect of the transformer is further improved.

In summary, the following steps: the invention provides an explosion-proof transformer with a leakage protection detection mechanism, which comprises a transformer main body 1, an explosion-proof plate 2 and an explosion-proof power-off mechanism 3, when the transformer main body 1 leaks electricity, any one of the transformer main body 1, a smoke sensor 24 and a temperature sensor 26 detects the electricity leakage and transmits a signal to a single chip microcomputer 25, the single chip microcomputer 25 controls a servo motor 311 to rotate so as to drive a driving gear 312 to rotate, the driving gear 312 drives a first driven gear 34 to rotate so as to drive a second driven gear 331 and a third driven gear 333 to drive a corresponding rack 233 to move, when a clamping head 235 driven by the rack 233 is separated from the transformer main body 1, plate bodies 21 at two sides of the transformer main body 1 are opened under the pushing action force of a pushing spring 3311, so that the air pressure in the transformer main body 1 is the same as the outside, and the automatic explosion, and is not influenced by the internal air pressure, and after the relative plate body 21 is opened, the air in the transformer main body 1 flows in a large area, so that not only can the smoke generated by the transformer main body 1 be blown away, but also the interior can be rapidly cooled, and further damage to a lead wire or other mechanisms caused by overhigh temperature is avoided, one end of the first reset spring 231 is fixedly connected with one side of one end of the limit sliding block 234, one end of the second reset spring 232 is fixedly connected with the other side of one end of the limit sliding block 234, the clamping head 235 is fixedly arranged at the other end of the rack 233, a clamping groove for clamping the clamping head 235 is formed in the transformer main body 1, when the plate body 21 is required to be closed, the plate body 21 is directly pushed, the clamping head 235 can be clamped into the clamping groove formed in the transformer main body 1, the plate body 21 is also rapidly and conveniently closed, the lower end of the connecting, the anti-release sheet 362 is arranged at one end of the connecting cross rod 361, the upper end of the rotating block 364 is movably connected with the connecting cross rod 361, the toggle head 363 is arranged at the upper end of the rotating block 364, the toggle column 365 is arranged at the lower end of the rotating block 364, the toggle head 363 corresponds to the toggle single tooth 3122, when the anti-explosion power-off mechanism 3 works, the toggle single tooth 3122 also rotates under the driving effect of the servo motor 311, the toggle head 363 is further driven to drive the rotating block 364 to rotate, the lower end of the rotating block 364 rotates outwards, the original closed main brake speed in the transformer body 1 can be attached to the lower end of the rotating block 364, the main brake is opened under the rotating effect of the rotating block 364, double protection is achieved by matching with the leakage protector 11, and the leakage protection effect of the transformer is further improved.

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 explosion-proof transformer with earth leakage protection detection mechanism, includes transformer main part (1), explosion-proof board (2) and explosion-proof outage mechanism (3), and explosion-proof board (2) set up in the both sides of transformer main part (1), and explosion-proof outage mechanism (3) set up in one side of the inside of transformer main part (1), its characterized in that: the inside of the transformer main body (1) is electrically connected with a leakage protector (11);

the explosion-proof plate (2) comprises a plate body (21), a rotating column (22), a clamping piece (23), a smoke sensor (24), a single chip microcomputer (25) and a temperature sensor (26), the rotating column (22) is fixedly arranged on two sides of one end of the rotating column (22), the clamping piece (23) is arranged inside the other end of the rotating column (22), the smoke sensor (24) is arranged on the inner side surface of the plate body (21), the single chip microcomputer (25) is arranged on the inner side surface of the plate body (21) close to the smoke sensor (24), and the temperature sensor (26) is far away from the inner side surface of the plate body (21);

the explosion-proof power-off mechanism (3) comprises a driving component (31), a first mounting block (32), a rotating component (33), a first driven gear (34), a second mounting block (35) and a power-off component (36), one end of the driving component (31) is fixedly connected with one side of the first mounting block (32), the other end of the driving component is connected with the inner side of the second mounting block (35), one end of the first mounting block (32) is fixedly connected with the transformer main body (1), the other end of the first mounting block (32) is provided with a first bearing (321), the fixed end of the rotating component (33) penetrates through an inner ring of the first bearing (321), the first driven gear (34) is fixedly sleeved in the middle of the rotating component (33), one end of the second mounting block (35) is fixedly connected with the transformer main body (1), the other end of the second mounting block (35) is provided with a second bearing (351), the other end of the rotating component (33) is fixedly connected with an inner ring of the second bearing (351), the power-off assembly (36) is arranged on the driving assembly (31).

2. An explosion-proof transformer with a leakage protection detecting mechanism as claimed in claim 1, wherein: fastener (23) include first reset spring (231), second reset spring (232), rack (233), spacing slider (234) and dop (235), one side fixed connection of the one end of one end and spacing slider (234) of first reset spring (231), the one end of second reset spring (232) and the opposite side fixed connection of the one end of spacing slider (234), spacing slider (234) are fixed to be set up in the both sides of rack (233), the fixed other end that sets up at rack (233) in dop (235), set up the draw-in groove that supplies dop (235) card to go into on transformer main part (1).

3. An explosion-proof transformer with a leakage protection detecting mechanism as claimed in claim 1, wherein: the driving assembly (31) comprises a servo motor (311), a driving gear (312), a connecting support rod (313) and a third bearing (314), the driving end of the servo motor (311) is fixedly connected with one end of the driving gear (312), one end of the connecting support rod (313) is fixedly connected with the other end of the driving gear (312), an inner ring of the third bearing (314) is fixedly connected with the other end of the connecting support rod (313), and an outer ring of the third bearing (314) is fixedly connected with the second mounting block (35).

4. An explosion-proof transformer with a leakage protection detecting mechanism as claimed in claim 1, wherein: the single chip microcomputer (25) is electrically connected with the smoke sensor (24), the temperature sensor (26), the servo motor (311) and the transformer main body (1).

5. An explosion-proof transformer with a leakage protection detecting mechanism as claimed in claim 1, wherein: the rotating assembly (33) comprises a second driven gear (331), a through connecting rod (332) and a third driven gear (333), the second driven gear (331) is fixedly arranged at one end of the through connecting rod (332), the third driven gear (333) is fixedly arranged at the other end of the through connecting rod (332), the inner sides of the second driven gear (331) and the third driven gear (333) are both provided with the same pushing spring (3311), and the third driven gear (333) is meshed with the rack (233) for connection.

6. An explosion-proof transformer with a leakage protection detecting mechanism as claimed in claim 3, wherein: a connecting ring (3121) is arranged at the outer side of the connecting end of the driving gear (312) and the servo motor (311), and a single poking tooth (3122) is arranged at the lower end of the connecting ring (3121).

7. An explosion-proof transformer with a leakage protection detecting mechanism as claimed in claim 1, wherein: outage subassembly (36) are including connecting horizontal pole (361), anticreep piece (362), stir head (363), turning block (364) and stir post (365), anticreep piece (362) sets up the one end of connecting horizontal pole (361), the upper end and the connecting horizontal pole (361) swing joint of turning block (364), stir head (363) set up the upper end at turning block (364), stir the lower extreme of post (365) setting at turning block (364), stir head (363) and stir monodentate (3122) corresponding.