CN114709043B

CN114709043B - Compact transformer

Info

Publication number: CN114709043B
Application number: CN202210430494.1A
Authority: CN
Inventors: 季文华; 吴敏; 陈宏宇
Original assignee: Changzhou Huadi Special Transformer Co ltd
Current assignee: Changzhou Huadi Special Transformer Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2024-06-04
Anticipated expiration: 2042-04-22
Also published as: CN114709043A

Abstract

The invention discloses a compact transformer, which comprises an outer box, wherein the bottom of the inner side of the outer box is fixedly connected with a transformer main body, an elastic outer film is uniformly arranged on the outer side of the outer box, and the elastic outer film is adsorbed on the outer wall of the outer box. This compact transformer has reached the purpose that improves buffer capacity, can avoid the damage when equipment receives the collision, improved heat dispersion, can send into the inside cooling of equipment with external low temperature air, reduced the requirement of equipment to the leakproofness, reduced the cost of equipment, reduced the demand to traditional energy, utilize wind energy drive cooling part, improved the degree of utilization to new energy, reduced the requirement of equipment to the leakproofness, reduced the cost of equipment, improved intelligent degree, can open the closing plate automatically when external wind-force is great and dispel the heat, the surface coating damage leads to oxidation when can avoiding equipment to receive the collision.

Description

Compact transformer

Technical Field

The invention relates to the technical field of transformers, in particular to a compact transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core, and the transformer has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc.

But current compact transformer buffer capacity is relatively poor, can not avoid the damage when equipment receives the collision, and the heat dispersion is relatively poor, can't send into the inside cooling of equipment with external low temperature air, and is higher to the demand of traditional energy, can't utilize wind energy drive cooling part, and the degree of utilization to the new energy is lower, and the leakproofness requirement to equipment is higher, has improved the cost of equipment, and intelligent degree is lower, can't open the closing plate automatically when external wind-force is great and dispel the heat, can not avoid equipment to receive the damage of surface coating when colliding and lead to oxidation.

Disclosure of Invention

In order to solve the technical problems, the invention provides the compact transformer, which solves the problem that the existing compact transformer has poor buffering capacity, can avoid damage when equipment is collided, improves the heat dissipation capacity, can send external low-temperature air into the equipment to cool, reduces the requirement of the equipment on tightness, reduces the cost of the equipment, reduces the requirement on traditional energy, utilizes wind energy to drive a cooling component, improves the utilization degree of new energy, reduces the requirement of the equipment on tightness, reduces the cost of the equipment, improves the intelligence degree, can automatically open a sealing plate to dissipate heat when external wind is large, and can avoid oxidation caused by surface coating damage when the equipment is collided.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the compact transformer comprises an outer box, wherein the bottom of the inner side of the outer box is fixedly connected with a transformer main body, the outer side of the outer box is uniformly provided with an elastic outer film, the elastic outer film is adsorbed on the outer wall of the outer box, the outer side of the outer box is provided with limiting frames at the periphery of the elastic outer film, the limiting frames are four and symmetrically distributed, one side of the elastic outer film, which is close to the outer box, is slidably connected with an elastic inner film, the elastic inner film is fixedly connected with the outer box, one side of the elastic inner film, which is far away from the elastic outer film, is fixedly connected with an air supply pipe, one end of the outer side of the air supply pipe, which is close to the elastic inner film, is uniformly provided with an air inlet groove, the air inlet groove penetrates the air supply pipe, one end of the air supply pipe, which is far away from the elastic inner film, is fixedly connected with a sealing block, the sealing block penetrates through the outer box and extends to the inside of the outer box, the air vent is formed in one side, far away from the outer box, of the elastic outer film and the elastic inner film, the filter screen is arranged in the air vent, one side, far away from the outer box, of the elastic outer film is fixedly connected with the extension rod, the elastic arc plate is uniformly arranged at one end, far away from the elastic outer film, of the extension rod, the buffering capacity of the equipment is improved, the equipment can be prevented from being damaged due to external collision, the heat dissipation capacity of the equipment is improved, external low-temperature air can be fed into the equipment for cooling, air can be continuously filled into the transformer by utilizing wind power, the transformer is kept in a positive pressure state, external dust is prevented from entering the transformer along with the air, the requirement of the equipment on the sealing performance is reduced, and the cost of the equipment is reduced.

Preferably, one side of outer box rotates and is connected with the chamber door, one side fixedly connected with handle of outer box is kept away from to the chamber door, the thermovent has been seted up at the top of outer box, bottom one end fixedly connected with dust screen between the inner wall both sides of thermovent, the sealing plate is installed to the top symmetry that the outer box is close to the thermovent, the sealing plate rotates with the outer box to be connected, the top fixedly connected with haulage rope of sealing plate, the one end and the outer box fixed connection of sealing plate are kept away from to the haulage rope, the control tank has evenly been seted up in the outside of extension rod, communicate between the control tank, the inner wall sliding connection of control tank has horizontal post, one side rotation of elasticity arc board is connected with the push rod, the one end of push rod extends to the inside of control tank and rotates with horizontal post to be connected, has improved the intelligent degree of equipment, can open the sealing plate automatically when external wind power is great and dispel the heat, has reduced the requirement of equipment to the leakproofness, has reduced the cost of equipment, has reduced the demand to traditional energy, utilizes wind energy drive part, has improved the degree of utilization to new energy.

Preferably, the outside of outer container is close to the position symmetry of haulage rope and installs the guide ring, haulage rope and guide ring sliding connection, the mounting groove has evenly been seted up to the one end that horizontal post is close to the elastic arc board, one side fixedly connected with control rope of elastic arc board is kept away from to the inner wall of mounting groove, the one end of control rope extends to the outside of control groove and with haulage rope fixed connection, the elastic rod is evenly installed to the inner wall of outer container, the elastic rod is close to one side of transformer main part evenly installed the buffer board, the buffer board is the elastic plate, and multiple mode has strengthened the buffer capacity of equipment, damages the transformer main part when can avoid equipment to be by collision deformation.

Preferably, the buffer board is kept away from one side fixedly connected with breakable post of elastic rod, the outside of breakable post evenly installs the oxidation-resistant coating granule, and the buffer board drives breakable post and collides the transformer main part, and the oxidation-resistant coating granule of breakable post by the extrusion crushing back surface is extruded in the position that the transformer main part was collided, can paint the oxidation-resistant coating at the collision position when the transformer main part received the collision, avoids the transformer main part to be damaged by the collision back surface coating and leads to oxidation corrosion.

The invention provides a compact transformer. The beneficial effects are as follows:

Firstly, the compact transformer is contacted with the elastic arc plate when an object collides with the transformer through the outside, the elastic arc plate is extruded and bent to push the extension rod, the extension rod extrudes and bends the elastic outer film and the elastic inner film to buffer, the buffer capacity of the device is improved, and the device can be prevented from being damaged by external collision.

(II), this compact transformer, enter into the space between elastic inner membrane and the outer container through external air from the vent, wind-force promotes the elastic arc board crooked when external wind has, elastic arc board drives the extension rod and extrudees elastic outer membrane and elastic inner membrane crooked, no longer ventilate after the vent dislocation on elastic inner membrane and the elastic outer membrane this moment, elastic outer membrane and elastic inner membrane are promoted and press close to the outer container gradually, the sealing block enters into the outer container inside completely, the air of the position between elastic inner membrane and the outer container is sent to the outer container inside through the air inlet groove, the heat dispersion of equipment has been improved, can send into the inside cooling of equipment with external low temperature air.

And thirdly, the compact transformer is characterized in that through the sealing block, the through holes on the outer box are blocked along with the movement of the elastic inner film, air in the outer box cannot return to the position between the elastic inner film and the outer box through the air inlet groove, the air vent holes in the upper part of the elastic inner film and the elastic outer film after moving to the initial position are aligned, external air enters the position between the elastic inner film and the outer box from the air vent holes again, when the external air appears, the air in the position between the elastic inner film and the outer box is pushed into the outer box again, the air can be continuously filled into the transformer by utilizing wind force, so that the inside of the transformer is kept in a positive pressure state, external dust is prevented from entering the inside of the transformer along with the air, the requirement of the equipment on tightness is reduced, the cost of the equipment is reduced, the requirement on traditional energy is reduced, the wind energy is utilized to drive the cooling component, and the utilization degree of new energy is improved.

And fourthly, the compact transformer pushes the elastic arc plate to bend towards the direction of the extension rod when external wind is large, the elastic arc plate pushes the transverse column to move towards the direction of the outer box through the push rod, the transverse column pulls the control rope to enter the control groove, the control rope pulls the traction rope to bend towards one side, the traction rope pulls the sealing plate to rotate towards the direction away from the outer box, the heat dissipation opening does not have the sealing plate to block the heat inside the outer box and dissipates to the outside, the intelligent degree of the device is improved, and the sealing plate can be automatically opened to dissipate heat when external wind is large.

And fifthly, according to the compact transformer, when the external object collides with the transformer, the external box pushes the elastic rod to move towards the direction of the transformer main body, the buffer plate is contacted with the transformer main body and then is bent and deformed to buffer, the buffer capacity of the device is enhanced in various modes, and the damage to the transformer main body when the device is collided and deformed can be avoided.

And the compact transformer drives the fragile column to collide with the transformer main body through the buffer plate, the oxidation-resistant coating particles on the surface of the crushed fragile column are extruded at the collided part of the transformer main body, so that the oxidation-resistant coating can be coated at the collided part when the transformer main body is collided, and oxidation corrosion caused by damage of the surface coating after the collision of the transformer main body is avoided.

Drawings

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

FIG. 2 is a schematic view of the structure of the outer case of the present invention;

FIG. 3 is a schematic view of the structure of the spring rod and the buffer plate of the present invention;

FIG. 4 is a schematic view of the structure of the elastic outer membrane and the elastic arc plate of the present invention;

FIG. 5 is a schematic view of the structure of the junction of the elastic outer membrane and the outer case of the present invention;

FIG. 6 is an internal cross-sectional view of the junction of the flexible outer membrane and the outer casing of the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6A according to the present invention;

Fig. 8 is a schematic structural view of a transverse column according to the present invention.

In the figure: 1-outer box, 2-box door, 3-handle, 4-transformer main part, 5-elasticity adventitia, 6-limit frame, 7-elasticity inner membrance, 8-blast pipe, 9-air inlet groove, 10-sealing block, 11-ventilation hole, 12-extension pole, 13-elasticity arc board, 14-thermovent, 15-dust screen, 16-closing plate, 17-haulage rope, 18-control groove, 19-horizontal post, 20-push rod, 21-guide ring, 22-mounting groove, 23-control rope, 24-elasticity pole, 25-buffer board, 26-breakable post.

Detailed Description

The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a compact transformer, including outer case 1, the inboard bottom fixedly connected with transformer main part 4 of outer case 1, elastic outer membrane 5 is evenly installed in the outside of outer case 1, elastic outer membrane 5 adsorbs at outer case 1 outer wall, the outside of outer case 1 is located elastic outer membrane 5 periphery and installs spacing frame 6, and spacing frame 6 is provided with four, and symmetric distribution, one side sliding connection that elastic outer membrane 5 is close to outer case 1 has elastic inner membrane 7, elastic inner membrane 7 and outer case 1 fixed connection, one side fixedly connected with blast pipe 8 that elastic inner membrane 7 kept away from elastic outer membrane 5, the one end that elastic inner membrane 7 was kept away from in the outside of blast pipe 8 is evenly offered air inlet groove 9, air inlet groove 9 runs through blast pipe 8, one end fixedly connected with sealing block 10 that elastic inner membrane 7 was kept away from to elastic inner membrane 8, sealing block 10 runs through outer case 1 and extends to the inside of outer case 1, air vent 11's internally mounted has the filter screen, one side fixedly connected with extension rod 12 that elastic outer case 1 was kept away from to elastic outer membrane 5, elastic extension rod 12 evenly installs elastic extension 13.

One side of the outer box 1 is rotatably connected with a box door 2, and one side of the box door 2 far away from the outer box 1 is fixedly connected with a handle 3.

The top of the outer box 1 is provided with a heat dissipation opening 14, and one end of the bottom between two sides of the inner wall of the heat dissipation opening 14 is fixedly connected with a dust screen 15.

The top of outer container 1 is close to the position symmetry of thermovent 14 and installs closing plate 16, and closing plate 16 rotates with outer container 1 to be connected, and the top fixedly connected with haulage rope 17 of closing plate 16, the one end that haulage rope 17 kept away from closing plate 16 and outer container 1 fixed connection.

When the device is used, the outer box 1 is arranged outside the device, when an object collides with the transformer, the outer box is firstly contacted with the elastic arc plate 13, the elastic arc plate 13 is extruded and bent to push the extension rod 12, the extension rod 12 extrudes and bends the elastic outer film 5 and the elastic inner film 7 to buffer, the buffer capacity of the device is improved, and the device can be prevented from being damaged due to external collision.

The air vent 11 on elastic outer membrane 5 and the elastic inner membrane 7 aligns, outside air enters into the space between elastic inner membrane 7 and outer tank 1 after being filtered by the filter screen from air vent 11, wind force promotes elastic arc board 13 to bend when the outside is windy, elastic arc board 13 and extension pole 12 wholly receive after the promotion of wind force with elastic outer membrane 5 and elastic inner membrane 7 extrusion bending, elastic outer membrane 5 slides along the surface of outer tank 1 and expands all around, spacing frame 6 avoids elastic outer membrane 5 to drop when sliding along the outer wall of outer tank 1, elastic outer membrane 5 is outside along the air vent 11 of the outside in-process surface of outer tank 1 gradually keep away from air vent 11 on elastic inner membrane 7, at this moment, outside air vent 11 on elastic inner membrane 7 and the elastic outer membrane 5 no longer ventilates after misplacement, elastic outer membrane 5 and elastic inner membrane 7 are promoted gradually press close to outer tank 1, sealing block 10 is inside completely to outer tank 1, the air in position between elastic inner membrane 7 and the outer tank 1 is sent to outer tank 1 inside through air inlet groove 9, the heat-dissipating capacity of equipment has been improved, can be with the inside of the equipment being carried out the inside of the single-stage cooling device, the inside of this outside air is cooled down continuously and the inside of outer tank 1 is cooled down continuously, the inside the outside temperature is cooled down continuously is reduced by the outside 1 is achieved.

When external wind stops, the elastic outer membrane 5 and the elastic inner membrane 7 push the extension rod 12 and the elastic arc plate 13 to move to the initial position due to the elasticity of the elastic outer membrane 7, the sealing block 10 is used for blocking the perforation on the outer box 1 along with the movement of the elastic inner membrane 7, the air in the outer box 1 cannot return to the position between the elastic inner membrane 7 and the outer box 1 through the air inlet groove 9, the air vent 11 above the back of the initial position is aligned when the elastic inner membrane 7 and the elastic outer membrane 5 move to the initial position, the external air enters the position between the elastic inner membrane 7 and the outer box 1 from the air vent 11 again, and when the external wind appears, the air in the position between the elastic inner membrane 7 and the outer box 1 is pushed into the inner part of the outer box 1 again, so that the air can be continuously filled into the transformer by utilizing wind force, the inner part of the transformer keeps a positive pressure state, the external dust is prevented from entering the inner part of the transformer along with the air, the requirement of equipment on tightness is reduced, and the cost of the equipment is reduced.

Example 2

Referring to fig. 1-8, the present invention provides a technical solution: on the basis of embodiment 1, the outside of extension rod 12 has evenly offered control groove 18, communicates between the control groove 18, and the inner wall sliding connection of control groove 18 has horizontal post 19, and one side rotation of elastic arc board 13 is connected with push rod 20, and the one end of push rod 20 extends to the inside of control groove 18 and rotates with horizontal post 19 to be connected.

The outside of the outer box 1 is close to the position symmetry of haulage rope 17 and installs guide ring 21, haulage rope 17 and guide ring 21 sliding connection, and transverse column 19 has evenly seted up mounting groove 22 near the one end of elasticity arc board 13, and one side fixedly connected with control rope 23 of the inner wall of mounting groove 22 keeping away from elasticity arc board 13, the one end of control rope 23 extends to the outside of control groove 18 and with haulage rope 17 fixed connection.

Elastic rods 24 are uniformly arranged on the inner wall of the outer box 1, a buffer plate 25 is uniformly arranged on one side, close to the transformer main body 4, of the elastic rods 24, and the buffer plate 25 is an elastic plate.

The side of the buffer plate 25 away from the elastic rod 24 is fixedly connected with a fragile column 26, and oxidation-resistant paint particles are uniformly arranged on the outer side of the fragile column 26.

When the device is used, when external wind is large, the elastic arc plate 13 is pushed to bend towards the direction of the extension rod 12, the elastic arc plate 13 pushes the transverse column 19 to move towards the direction of the outer box 1 through the push rod 20, the transverse column 19 pulls the control rope 23 to enter the control groove 18, the control rope pulls the traction rope 17 to bend towards one side, the traction rope 17 pulls the sealing plate 16 to rotate towards the direction away from the outer box 1, heat inside the outer box 1 is dissipated to the outside after the heat dissipation opening 14 is not blocked by the sealing plate 16, the intelligent degree of the device is improved, the sealing plate 16 can be automatically opened to dissipate heat when external wind is large, and the sealing plate 16 blocks the heat dissipation opening 14 to prevent dust fall in the rest time.

When an external object collides with the transformer, the external box 1 pushes the elastic rod 24 to move towards the direction of the transformer main body 4 when the external box 1 is sunken, the buffer plate 25 is contacted with the transformer main body 4 and then is bent and deformed to buffer, the buffer capacity of the equipment is enhanced in various modes, and the damage to the transformer main body when the equipment is collided and deformed can be avoided.

The buffer plate 25 drives the fragile column 26 to collide with the transformer main body, and the oxidation-resistant coating particles on the surface of the fragile column 26 after being crushed by extrusion are extruded at the collided part of the transformer main body 4, so that the oxidation-resistant coating can be smeared at the collided part when the transformer main body 4 is collided, and oxidation corrosion caused by damage of the surface coating after the collision of the transformer main body 4 is avoided.

It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides a compact transformer, includes outer case (1), the inboard bottom fixedly connected with transformer main part (4) of outer case (1), a serial communication port, elastic outer membrane (5) are evenly installed in the outside of outer case (1), elastic outer membrane (5) adsorb at outer case (1) outer wall, the outside of outer case (1) is located elastic outer membrane (5) peripheral installation spacing frame (6), just spacing frame (6) are provided with four, and the symmetric distribution, one side sliding connection that elastic outer membrane (5) is close to outer case (1) has elastic inner membrane (7), elastic inner membrane (7) and outer case (1) fixed connection, one side fixedly connected with blast pipe (8) that elastic inner membrane (5) were kept away from to elastic inner membrane (7), one end that elastic inner membrane (7) were close to in the outside of blast pipe (8) evenly has seted up air inlet groove (9), one end fixedly connected with elastic inner membrane (7) is kept away from to blast pipe (8) is run through blast pipe (8), sealed block (10) and outer case (1) are kept away from to stretch out one side (1) and outer membrane (1), a filter screen is arranged in the air vent (11), one side of the elastic outer membrane (5) far away from the outer box (1) is fixedly connected with an extension rod (12), and one end of the extension rod (12) far away from the elastic outer membrane (5) is uniformly provided with an elastic arc plate (13);

when the transformer is used, the outer box (1) is arranged outside the device, when an object collides with the transformer, the outer box is firstly contacted with the elastic arc plate (13), the elastic arc plate (13) is extruded and bent to push the extension rod (12), and the extension rod (12) extrudes and bends the elastic outer film (5) and the elastic inner film (7) to buffer;

The elastic outer membrane (5) and the air vent (11) on the elastic inner membrane (7) are aligned, external air enters a space between the elastic inner membrane (7) and the outer box (1) after being filtered by a filter screen from the air vent (11), when wind exists outside, the elastic arc plate (13) is pushed by wind power to bend, the elastic outer membrane (5) and the elastic inner membrane (7) are extruded and bent after being pushed by wind power, the elastic outer membrane (5) slides along the surface of the outer box (1) and expands all around, the limiting frame (6) prevents the elastic outer membrane (5) from falling off when sliding and expanding along the outer wall of the outer box (1), the air vent (11) on the surface of the elastic outer membrane (5) is gradually far away from the air vent (11) on the elastic inner membrane (7), at the moment, the elastic inner membrane (7) and the air vent (11) on the elastic outer membrane (5) are not misplaced, the elastic outer membrane (5) and the elastic inner membrane (7) are pushed to be gradually close to the surface of the outer box (1), the elastic outer membrane (5) is prevented from being pushed by the limiting frame (5) and is completely pushed to enter the inner box (1) and enter the inner box (1) through the air vent (1), the air vent (1) and can be completely cooled down to the air inlet channel (1) and the air can be completely cooled down inside the air channel (1) and cooled down by the air channel (1), the outside low-temperature air is driven to enter the outer box (1) once and then the inner part of the outer box (1) is cooled, and the process is repeated to realize continuous cooling of the inner part of the outer box (1);

When external wind stops, the elastic outer membrane (5) and the elastic inner membrane (7) move to the initial position due to the elastic force of the elastic outer membrane (7) pushing the extension rod (12) and the elastic arc plate (13), the sealing block (10) moves along with the elastic inner membrane (7) to block the perforation on the outer box (1), air in the outer box (1) cannot return to the position between the elastic inner membrane (7) and the outer box (1) through the air inlet groove (9), the elastic inner membrane (7) and the elastic outer membrane (5) move to the position above the initial position, the ventilation holes (11) are aligned, external air enters the position between the elastic inner membrane (7) and the outer box (1) from the ventilation holes (11) again, and when external wind appears, the air in the position between the elastic inner membrane (7) and the outer box (1) is pushed into the outer box (1) again.

2. The compact transformer according to claim 1, wherein a door (2) is rotatably connected to one side of the outer case (1), and a handle (3) is fixedly connected to one side of the door (2) away from the outer case (1).

3. The compact transformer according to claim 1, wherein the top of the outer case (1) is provided with a heat radiation opening (14), and a dust screen (15) is fixedly connected to one end of the bottom between two sides of the inner wall of the heat radiation opening (14).

4. A compact transformer according to claim 3, characterized in that the top of the outer box (1) is symmetrically provided with sealing plates (16) at positions close to the heat dissipation openings (14), the sealing plates (16) are rotationally connected with the outer box (1), the top of the sealing plates (16) is fixedly connected with traction ropes (17), and one ends of the traction ropes (17) far away from the sealing plates (16) are fixedly connected with the outer box (1).

5. The compact transformer according to claim 4, wherein control slots (18) are uniformly formed in the outer side of the extension rod (12), the control slots (18) are communicated with each other, a transverse column (19) is slidably connected to the inner wall of the control slot (18), a push rod (20) is rotatably connected to one side of the elastic arc plate (13), and one end of the push rod (20) extends into the control slot (18) and is rotatably connected with the transverse column (19).

6. The compact transformer according to claim 5, wherein the outer side of the outer case (1) is symmetrically provided with guide rings (21) at positions close to the traction ropes (17), the traction ropes (17) are slidably connected with the guide rings (21), one ends of the transverse columns (19) close to the elastic arc plates (13) are uniformly provided with mounting grooves (22), one side, far away from the elastic arc plates (13), of the inner walls of the mounting grooves (22) is fixedly connected with control ropes (23), and one ends of the control ropes (23) extend to the outer parts of the control grooves (18) and are fixedly connected with the traction ropes (17).

7. Compact transformer according to claim 1, characterized in that the inner wall of the outer tank (1) is uniformly provided with elastic rods (24), one side of the elastic rods (24) close to the transformer main body (4) is uniformly provided with a buffer plate (25), and the buffer plate (25) is an elastic plate.

8. The compact transformer according to claim 7, wherein a fragile column (26) is fixedly connected to a side of the buffer plate (25) away from the elastic rod (24), and oxidation-preventing paint particles are uniformly mounted on the outer side of the fragile column (26).