CN112863839A

CN112863839A - High-voltage-level high-safety pouring type dry-type transformer insulation structure

Info

Publication number: CN112863839A
Application number: CN202110020746.9A
Authority: CN
Inventors: 乔红军; 梅德进; 程杨; 刘培东; 霍厚琴
Original assignee: Jiangsu Ruien Electric Co ltd
Current assignee: Jiangsu Ruien Electric Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-05-28

Abstract

The invention relates to the technical field of dry-type transformers, and discloses a high-voltage-level high-safety pouring type dry-type transformer insulation structure which comprises a bottom plate, wherein an equipment shell is fixedly installed at the top of the bottom plate, a heat dissipation layer is arranged on the inner wall of the equipment shell, a transformation equipment main body is arranged at the top of the heat dissipation layer, and two outgoing lines are fixedly connected to the side surfaces of the transformation equipment main body. This high security pouring type dry-type transformer insulation system of high voltage level, when inside burning, the lead-out wire of transformer equipment main part side is burnt out to the fire, lose the second electromagnetic block of the first electromagnetic block inside groove joint of lead-out wire side connection after the power output and lose magnetic force, thereby make the electric wire of first electromagnetic block and second electromagnetic block side, compile line and output line all lose electric power and accomplish auto-power-off, the effectual dry-type transformer that has inside to have electricity to increase the problem that personnel in the present house put out the degree of difficulty when burning, the security has been improved.

Description

High-voltage-level high-safety pouring type dry-type transformer insulation structure

Technical Field

The invention relates to the technical field of dry-type transformers, in particular to an insulation structure of a high-voltage-level high-safety pouring type dry-type transformer.

Background

The dry transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and is a transformer with an iron core and windings which are not immersed in insulating oil.

The conventional dry-type transformer is in a continuous temperature rise state all the time in the working process, the phenomenon of spontaneous combustion can easily occur for a long time, the fire fighting difficulty of fire fighters is increased due to the combustion inside the transformer and the power transmission of electric wires, meanwhile, the inside of the dry-type transformer is radiated by wind power, the wind can only radiate the surface of the dry-type transformer, the bottom of the transformer cannot be radiated, the radiated wind is difficult to discharge, and the temperature is easy to rise.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an insulation structure of a high-voltage-level high-safety pouring type dry-type transformer, which has the advantages of automatic power off during combustion and circulating wind power heat dissipation, and solves the problems that the difficulty of extinguishing the output power in a wire is increased during the combustion of the dry-type transformer, and the internal temperature is increased because the heat-dissipating wind can only dissipate the heat of the surface and is difficult to discharge.

The invention provides the following technical scheme: the utility model provides a high-voltage-class high-safety pouring type dry-type transformer insulation structure, includes the bottom plate, the top fixed mounting of bottom plate has the equipment shell, the inner wall of equipment shell is provided with the heat dissipation layer, the top on heat dissipation layer is provided with the transformer equipment main part, two lead-out lines of the equal fixedly connected with in side of transformer equipment main part, the first electromagnetic block of the equal fixedly connected with in side and the second electromagnetic block of lead-out line, the inside groove has been seted up to the inside of first electromagnetic block, the inside of inside groove is provided with the second electromagnetic block, the equal fixedly connected with electric wire in one side of first electromagnetic block and second electromagnetic block, the opposite side fixedly connected with of electric wire stitches, the opposite side fixedly connected with output line of stitches.

Preferably, the top fixedly connected with fixed block of bottom plate, one side fixed mounting of fixed block has the pneumatic cylinder, the opposite side fixedly connected with stripper plate of pneumatic cylinder, the laminating is in the inside of defeated tuber pipe all around of stripper plate, pipeline fixedly connected with wind-force heat abstractor is passed through at the top of defeated tuber pipe.

Preferably, an air outlet is formed in one side of the inner wall of the equipment shell, and an alarm and a dustproof shell are arranged on the other side of the equipment shell.

Preferably, the bottom of the equipment shell is fixedly connected with two support plates, the top of each support plate is fixedly connected with an opposite inclined plate, and the top of each opposite inclined plate is fixedly connected with a heat dissipation layer.

Preferably, wind-force heat abstractor is including flabellum, funnel wind gap, wind-force heat dissipation shell, extension board, motor and axis of rotation, one side fixedly connected with extension board of bottom plate, the top fixed mounting of extension board has the motor, the bottom of motor is provided with the wind-force heat dissipation shell, the inside of wind-force heat dissipation shell is provided with the axis of rotation, the fixed surface of axis of rotation is connected with the flabellum, the bottom fixedly connected with funnel wind gap of wind-force heat dissipation shell.

Preferably, a second connecting wire is fixedly connected to the side face of the alarm, a first connecting wire is fixedly connected to the other side of the second connecting wire, and a transformation device main body is fixedly connected to the other side of the first connecting wire.

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

1. this high security pouring type dry-type transformer insulation system of high voltage level, when inside burning, the lead-out wire of transformer equipment main part side is burnt out to the fire, lose the second electromagnetic block of the first electromagnetic block inside groove joint of lead-out wire side connection after the power output and lose magnetic force, thereby make the electric wire of first electromagnetic block and second electromagnetic block side, it accomplishes the auto-power-off all to compile line and output line to lose electric power, the effectual dry-type transformer burning time inside has the problem that the electricity increases the fire fighter and put out the degree of difficulty, the security has been improved.

2. This high security pouring type dry-type transformer insulation system of high voltage level, rotate at a high speed through the axis of rotation in the starter motor control wind-force heat dissipation shell, thereby drive the flabellum rotation of axis of rotation fixed surface connection, the wind that the flabellum produced is carried in the air transmission pipe from the funnel wind gap, pneumatic cylinder on the fixed block drives the stripper plate and extrudees the inside wind of air transmission pipe simultaneously, the reinforcing wind pressure, in the wind gets into the equipment shell, see through the heat dissipation layer and blow the opposition swash plate, the opposition swash plate dispels the heat with the bottom of wind bounce-back to the potential device main part, discharge from the air exit of equipment shell again, the effectual radiating wind of having solved dry-type transformer can only carry out the problem that surface heat dissipation and the difficult discharge of cooling wind caused inside temperature to.

Drawings

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

FIG. 2 is a schematic view of the wind-powered heat dissipation device of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the automatic power-off device of FIG. 1 according to the present invention;

FIG. 4 is a schematic side sectional view of FIG. 1 according to the present invention.

In the figure: 1. a base plate; 2. a wind delivery pipe; 3. an alarm; 4. a dust-proof shell; 5. an equipment housing; 6. a wind power heat dissipation device; 7. a pressing plate; 8. a hydraulic cylinder; 9. a fixed block; 10. a fan blade; 11. a funnel tuyere; 12. a wind power heat dissipation housing; 13. an extension plate; 14. a motor; 15. a rotating shaft; 16. a first electromagnetic block; 17. an inner tank; 18. a second electromagnetic block; 19. an output line; 20. a binding line; 21. an electric wire; 22. a lead-out wire; 23. a first connecting line; 24. an air outlet; 25. a second connecting line; 26. a support plate; 27. opposite sloping plates; 28. a heat dissipation layer; 29. a transformation device body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an insulation structure of a high-voltage-class high-safety cast dry-type transformer includes a bottom plate 1, an equipment housing 5 is fixedly installed on the top of the bottom plate 1, a heat dissipation layer 28 is installed on the inner wall of the equipment housing 5, the heat dissipation layer 28 is provided with an air duct through which heat dissipation air can enter to enhance the heat dissipation effect on a transformer equipment main body 29, the top of the heat dissipation layer 28 is provided with the transformer equipment main body 29, the side surfaces of the transformer equipment main body 29 are both fixedly connected with two lead-out wires 22, the lead-out wires 22 are responsible for the output of the whole power, when the lead-out wires 22 are burned and broken, the whole power is lost, the safety factor of the whole is improved, the side surfaces of the lead-out wires 22 are both fixedly connected with a first electromagnetic block 16 and a second electromagnetic block 18, an inner groove 17 is formed inside the first electromagnetic block 16, a second electromagnetic block 18 is arranged inside the inner groove 17, and the first electromagnetic block 16, meanwhile, electric power cannot be generated, safety is improved, one side of each of the first electromagnetic block 16 and the second electromagnetic block 18 is fixedly connected with an electric wire 21, the other side of the electric wire 21 is fixedly connected with a binding wire 20, and the other side of the binding wire 20 is fixedly connected with an output wire 19.

Wherein, the top fixedly connected with fixed block 9 of bottom plate 1, one side fixed mounting of fixed block 9 has pneumatic cylinder 8, pneumatic cylinder 8's opposite side fixedly connected with stripper plate 7, the continuous drive stripper plate 7 of pneumatic cylinder 8 extrudes the promotion in defeated tuber pipe 2's inside, thereby promote radiating wind, the wind pressure has been strengthened, the radiating effect has been improved, the laminating is in defeated tuber pipe 2's inside all around of stripper plate 7, pipeline fixedly connected with wind power heat abstractor 6 is passed through at defeated tuber pipe 2's top.

Wherein, air exit 24 has been seted up to inner wall one side of equipment casing 5, and the opposite side of equipment casing 5 is provided with alarm 3 and dust cover 4, and alarm 3 self contains the antenna, and alarm 3 can light the lamp and send alarm signal through the antenna when losing electric power, and 4 bottoms of dust cover are equipped with the wind gap, and the surface of dust cover 4 can be isolated to the dust, and radiating wind makes the dust can't get into from the wind gap is discharged.

Wherein, two extension boards 26 of the equal fixedly connected with in bottom of equipment housing 5, the top fixedly connected with opposition swash plate 27 of extension board 26, opposition swash plate 27 has the opposite board of oblique angle and constitutes, and radiating wind gets into the back and kick-backs and dispel the heat to the bottom of vary voltage equipment main part 29, has strengthened the radiating effect in vary voltage equipment main part 29 bottom, opposition swash plate 27's top fixedly connected with heat dissipation layer 28.

Wherein, wind-force heat abstractor 6 is including flabellum 10, funnel wind gap 11, wind-force heat dissipation shell 12, extend board 13, motor 14 and axis of rotation 15, one side fixedly connected with of bottom plate 1 extends board 13, the top fixed mounting who extends board 13 has motor 14, the bottom of motor 14 is provided with wind-force heat dissipation shell 12, the inside of wind-force heat dissipation shell 12 is provided with axis of rotation 15, the fixed surface of axis of rotation 15 is connected with flabellum 10, the bottom fixedly connected with funnel wind gap 11 of wind-force heat dissipation shell 12, funnel wind gap 11 is hourglass hopper-shaped, can carry out preliminary pressure boost to the wind that produces, the intensity of wind has been improved.

Wherein, the side of alarm 3 is fixedly connected with second connecting wire 25, and the other side fixedly connected with first connecting wire 23 of second connecting wire 25, the other side fixedly connected with vary voltage equipment main part 29 of first connecting wire 23.

In the working principle, in the using process, when spontaneous combustion occurs, the lead-out wire 22 on the side surface of the transformation equipment main body 29 is burnt off by fire, the second electromagnetic block 18 clamped in the inner groove 17 of the first electromagnetic block 16 connected with the side surface of the lead-out wire 22 after power output is lost is not electrified and loses magnetic force, and meanwhile, the electric wires 21, the binding wires 20 and the output wires 19 on the side surfaces of the first electromagnetic block 16 and the second electromagnetic block 18 lose electric power, so that the integral device is powered off, when the transformation equipment main body 29 in the equipment shell 5 needs to be radiated, the starting motor 14 controls the rotating shaft 15 in the wind power radiating shell 12 to rotate at high speed, the rotating shaft 15 drives the fan blades 10 fixedly connected with the surface to rotate at high speed, the generated wind is conveyed into the wind conveying pipe 2 from the hopper air port 11, the hydraulic cylinder 8 on the side surface of the fixed block 9 drives the extrusion plate 7 to push and pressurize the wind in, the air is blown to the opposite inclined plates 27 through the heat dissipation layer 28, the opposite inclined plates 27 rebound the air to dissipate the heat of the bottom of the transformer device main body 29, and the dissipated air is exhausted from the air outlet 24 formed in the inner wall of the device shell 5.

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 a high security pouring type dry-type transformer insulation system of high voltage class, includes bottom plate (1), its characterized in that: an equipment shell (5) is fixedly arranged at the top of the bottom plate (1), a heat dissipation layer (28) is arranged on the inner wall of the equipment shell (5), the top of the heat dissipation layer (28) is provided with a transformation equipment main body (29), the side surfaces of the transformation equipment main body (29) are fixedly connected with two lead-out wires (22), the side surfaces of the leading-out wires (22) are fixedly connected with a first electromagnetic block (16) and a second electromagnetic block (18), an inner groove (17) is formed in the first electromagnetic block (16), a second electromagnetic block (18) is arranged in the inner groove (17), one side of each of the first electromagnetic block (16) and the second electromagnetic block (18) is fixedly connected with an electric wire (21), the other side of the electric wire (21) is fixedly connected with a binding line (20), and the other side of the binding line (20) is fixedly connected with an output line (19).

2. The insulation structure of a high-voltage-class high-safety cast dry-type transformer according to claim 1, wherein: the top fixedly connected with fixed block (9) of bottom plate (1), one side fixed mounting of fixed block (9) has pneumatic cylinder (8), opposite side fixedly connected with stripper plate (7) of pneumatic cylinder (8), the laminating is in the inside of defeated tuber pipe (2) all around of stripper plate (7), pipeline fixedly connected with wind-force heat abstractor (6) is passed through at the top of defeated tuber pipe (2).

3. The insulation structure of a high-voltage-class high-safety cast dry-type transformer according to claim 1, wherein: an air outlet (24) is formed in one side of the inner wall of the equipment shell (5), and an alarm (3) and a dustproof shell (4) are arranged on the other side of the equipment shell (5).

4. The insulation structure of a high-voltage-class high-safety cast dry-type transformer according to claim 1, wherein: the bottom of the equipment shell (5) is fixedly connected with two support plates (26), the top of each support plate (26) is fixedly connected with an opposite inclined plate (27), and the top of each opposite inclined plate (27) is fixedly connected with a heat dissipation layer (28).

5. The insulation structure of a high-voltage-class high-safety cast dry-type transformer according to claim 2, wherein: wind-force heat abstractor (6) is including flabellum (10), funnel wind gap (11), wind-force heat dissipation shell (12), extension board (13), motor (14) and axis of rotation (15), one side fixedly connected with extension board (13) of bottom plate (1), the top fixed mounting of extension board (13) has motor (14), the bottom of motor (14) is provided with wind-force heat dissipation shell (12), the inside of wind-force heat dissipation shell (12) is provided with axis of rotation (15), the fixed surface of axis of rotation (15) is connected with flabellum (10), the bottom fixedly connected with funnel wind gap (11) of wind-force heat dissipation shell (12).

6. The insulation structure of a high-voltage-class high-safety cast dry-type transformer according to claim 3, wherein: the side face of the alarm (3) is fixedly connected with a second connecting wire (25), the other side of the second connecting wire (25) is fixedly connected with a first connecting wire (23), and the other side of the first connecting wire (23) is fixedly connected with a transformation equipment main body (29).