CN115148459A

CN115148459A - Safety protection device of dry-type transformer

Info

Publication number: CN115148459A
Application number: CN202210905076.3A
Authority: CN
Inventors: 耿道民
Original assignee: Jiangsu Litai Electric Appliance Co ltd
Current assignee: Jiangsu Litai Electric Appliance Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-10-04
Anticipated expiration: 2042-07-29
Also published as: CN115148459B

Abstract

The invention discloses safety protection equipment of a dry-type transformer, which comprises a top cover plate, a back buckle plate arranged on the back of the top cover plate, side plates arranged on two sides of the top cover plate, a bearing plate arranged at the bottom of the side plates and a bottom buckle plate positioned at the bottom of the bearing plate, wherein the top cover plate, the back buckle plate, the side plates and the bearing plate are integrally assembled into a cuboid or cube box structure, an opening is arranged on the front surface of the box structure, and the bottom end of the box structure is embedded into the bottom buckle plate; the lamina tecti is cuboid and bilateral symmetry and is provided with the sand grip, the inner wall equidistance of sand grip is provided with the blast pipe, is located the top of sand grip is provided with the exhaust hole that a plurality of corresponds, the lamina tecti top is provided with the column casing that a plurality of was made by rubber, and is located the inboard of column casing is provided with elastic cushion, the top of cushion is provided with a plurality of insulating tube. The invention can protect the dry type transformer from the outside and promote the heat dissipation effect.

Description

Safety protection device of dry-type transformer

Technical Field

The invention relates to the technical field of transformer equipment, in particular to safety protection equipment of a dry-type transformer.

Background

Dry transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry transformers refer to transformers in which the iron core and windings are not immersed in insulating oil. The cooling method is classified into natural air cooling (AN) and forced air cooling (AF). During natural air cooling, the transformer can continuously operate for a long time under the rated capacity. When forced air cooling is carried out, the output capacity of the transformer can be improved by 50 percent. The device is suitable for intermittent overload operation or emergency accident overload operation; because the load loss and the impedance voltage amplification are large during overload and the device is in a non-economic operation state, the device is not required to be in continuous overload operation for a long time.

The conventional dry-type transformer is lack of safety protection equipment, dust is easy to seep in the using process, safety insulation performance is poor, and meanwhile, a heat dissipation structure is lacked, so that the overall heat dissipation performance is poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides safety protection equipment of a dry-type transformer, which solves the problems that: the existing dry-type transformer is lack of safety protection equipment, dust is easily seeped in the using process, safety insulation performance is poor, and meanwhile, a heat dissipation structure is lacked, so that the problem of poor overall heat dissipation performance is caused.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the safety protection equipment of the dry-type transformer comprises a top cover plate, a back buckle plate arranged on the back of the top cover plate, side plates arranged on two sides of the top cover plate, a bearing plate arranged at the bottom of the side plates and a bottom buckle plate positioned at the bottom of the bearing plate, wherein the top cover plate, the back buckle plate, the side plates and the bearing plate are integrally assembled into a cuboid or cubic box body structure, an opening is formed in the front of the box body structure, and the bottom end of the box body structure is embedded into the bottom buckle plate;

the lamina tecti is cuboid and bilateral symmetry and is provided with the sand grip, the inner wall equidistance of sand grip is provided with the blast pipe, is located the top of sand grip is provided with the exhaust hole that a plurality of corresponds, the lamina tecti top is provided with the column casing that a plurality of was made by rubber, and is located the inboard of column casing is provided with elastic cushion, the top of cushion is provided with a plurality of insulating tube.

As a further preferable mode of the present invention, a buckling bar is arranged on an outer wall of the convex strip, a strip-shaped buckling groove is formed on an outer wall of the buckling bar, a strip-shaped buckling strip is arranged on the top of the side plate, a plurality of column strips are equidistantly arranged on an inner wall of the side plate, a plurality of seepage holes are formed in the column strips, a plurality of ventilation boxes corresponding to the column strips are arranged on an outer wall of the side plate, a fan is arranged inside the ventilation boxes, and an output end of the fan is communicated with an air passage of the seepage holes.

As a further preferable mode of the invention, the top of the inner wall of the back-buckling plate is provided with a plurality of guide posts, the guide posts are inserted into the top cover plate, square grooves are formed in two sides of the back-buckling plate, two casting blocks are arranged on the outer wall of the back surface of the back-buckling plate, the top of each casting block is provided with a vertical plate, the vertical plates are inserted into the casting blocks and fixed through bolts, the top of each vertical plate is fixedly connected with a convex plate, and the top of each convex plate is detachably connected with a cuboid baffle.

As a further preferable mode of the invention, the top of the bearing plate is provided with three rectangular slots, the middle of the top of the bearing plate is uniformly provided with a plurality of first through holes at equal intervals, the side wall of the bearing plate is provided with a plurality of second through holes, and the second through holes are communicated with the first through holes.

As a further preferable mode of the invention, the bottom gusset plate is in a disc shape, a cavity groove is formed at the top of the bottom gusset plate, a plurality of third through holes are formed in the inner wall of the cavity groove, a plurality of fourth through holes are formed in the side wall of the bottom gusset plate, and the fourth through holes are communicated with the third through holes.

As a further preferable mode of the invention, an air cooler is arranged on the outer wall of the bottom of the back-buckling plate, and the output end of the air cooler is connected with a ventilation pipe which is bent and has an upward opening.

As a further preferable mode of the invention, a movable plate is arranged at the top of the bottom buckle plate, a plurality of spring rods are equidistantly connected at the bottom of the movable plate, a plurality of pressure springs keeping inclination are connected on the side wall of the bottom buckle plate, and the other ends of the pressure springs are connected with the inner wall of the cavity groove of the bottom buckle plate.

(III) advantageous effects

The invention provides a safety protection device of a dry-type transformer. The method has the following beneficial effects:

(1) According to the invention, the top cover plate, the back-buckling plate, the side plate and the bearing plate are integrally assembled into the cuboid or cube box structure, the opening is formed in the front surface of the box structure, the transformer can be integrally placed at the top of the bearing plate, so that the transformer can be protected from the outside by utilizing the box structure, and the top cover plate, the back-buckling plate, the side plate and the bearing plate can be made of insulating plates selectively, so that the dustproof protection and the insulating protection effects are improved.

(2) The two sides of the top cover plate are symmetrically provided with convex strips, the inner walls of the convex strips are provided with the exhaust pipes at equal intervals, internal hot air can enter the exhaust pipes and is exhausted through exhaust holes in the convex strips, a plurality of column sleeves made of rubber are arranged at the top of the top cover plate, external insulation protection can be carried out on binding posts of the transformer, and elastic rubber pads and insulating pipes can be used for orderly arranging lines of the transformer.

(3) The inner wall of the side plate is equidistantly provided with a plurality of column plate plates, the column plate plates are provided with a plurality of seepage holes, the outer wall of the side plate is provided with a plurality of ventilation boxes which are the same as the raised lines, a fan in the ventilation boxes is used for exhausting air, the blade-shaped heat conducting plate of the transformer can be quickly radiated, the middle of the top of the bearing plate is uniformly and equidistantly provided with a plurality of first through holes, the side wall of the bearing plate is provided with a plurality of second through holes, the second through holes are communicated with the first through holes through air channels, airflow is promoted to be sent into the box body structure from the bottom, the third through holes on the inner wall of the cavity groove of the bottom buckle plate and the fourth through holes on the side wall of the bottom buckle plate can be matched, external air is promoted to enter the box body structure from the bottom and then is discharged from the top, and the heat radiation effect is improved.

Drawings

FIG. 1 is a schematic illustration of a three-dimensional explosive structure according to the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic perspective view of the side plate and the top cover plate of the present invention;

FIG. 4 is a schematic bottom view of the side and top cover plates of the present invention;

FIG. 5 is a schematic view of the internal structure of the buckle plate of the present invention.

In the figure: 1. a top cover plate; 2. a back-buckling plate; 3. a side plate; 4. a support plate; 5. a bottom gusset plate; 6. a convex strip; 7. an exhaust pipe; 8. column sleeve; 9. a rubber pad; 10. an insulating tube; 11. a buckling rod; 12. buckling strips; 13. a bar plate; 14. a ventilation box; 15. a guide post; 16. casting blocks; 17. a vertical plate; 18. a convex plate; 19. a baffle plate; 20. a first through hole; 21. a second through hole; 22. a third through hole; 23. a fourth through hole; 24. an air cooler; 25. a vent pipe; 26. a movable plate; 27. a spring lever; 28. and (5) pressing a spring.

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. 1-5, an embodiment of the present invention provides a technical solution:

the safety protection equipment of the dry-type transformer comprises a top cover plate 1, a back buckle plate 2 arranged on the back of the top cover plate 1, side plates 3 arranged on two sides of the top cover plate 1, a bearing plate 4 arranged at the bottom of the side plates 3 and a bottom buckle plate 5 positioned at the bottom of the bearing plate 4, wherein the top cover plate 1, the back buckle plate 2, the side plates 3 and the bearing plate 4 are integrally assembled into a cuboid or cube box structure, an opening is formed in the front of the box structure, and the bottom end of the box structure is embedded into the bottom buckle plate 5; the lamina tecti is cuboid and bilateral symmetry and is provided with sand grip 6, and the inner wall equidistance of sand grip 6 is provided with blast pipe 7, and the top that is located sand grip 6 is provided with the exhaust hole that a plurality of corresponds, and the lamina tecti top is provided with the column jacket 8 that a plurality of was made by rubber, and the inboard that is located column jacket 8 sets up elastic cushion 9, and the top of cushion 9 is provided with a plurality of insulating tube 10.

Be provided with on the outer wall of sand grip 6 and detain pole 11, and set up the catching groove of bar on detaining the outer wall of pole 11, the top of curb plate 3 is provided with long banding profile of knot 12, the equidistance is provided with a plurality of column batten 13 on being located the inner wall of curb plate 3, be provided with a plurality of infiltration hole on the column batten 13, and be provided with the ventilation box 14 that a plurality of and column batten 13 correspond on the outer wall of curb plate 3, the inside of ventilation box 14 is provided with the fan, and the output of fan is linked together with the gas circuit in infiltration hole, can use the inside fan of ventilation box 14 to blow through such design and discharge from the infiltration hole on column batten 13, carry out quick heat dissipation of blowing to the outside fin of dry-type transformer.

The inner wall top of back buckle plate 2 is provided with a plurality of guide pillar 15, a plurality of guide pillar 15 pegs graft with lamina tecti 1, and the both sides of back buckle plate 2 are provided with square recess, be provided with two casting blocks 16 on the outer wall that is located the back of back buckle plate 2, the top of casting block 16 is equipped with riser 17, riser 17 pegs graft with casting block 16 and passes through the bolt fastening, be located the top fixedly connected with flange 18 of riser 17, the top detachable connection of flange 18 has the baffle 19 of cuboid, shelter from the box structure through baffle 19 on the riser 17 that uses casting block 16 and top from the top, can place equipment wholly in the open air, hide rain shelves ash.

The top of the bearing plate 4 is provided with three cuboid slots, a plurality of first through holes 20 are uniformly arranged in the middle of the top of the bearing plate 4 at equal intervals, a plurality of second through holes 21 are arranged on the side wall of the bearing plate 4, the second through holes 21 are communicated with the first through holes 20 in an air path, the second through holes 21 and the first through holes 20 are used for ventilation through the design, air flow enters from the bottom, and hot air is discharged from the top.

The bottom buckle plate 5 is in a disc shape, a cavity groove is formed in the top of the bottom buckle plate 5, a plurality of through holes III 22 are formed in the inner wall of the cavity groove, a plurality of through holes IV 23 are formed in the side wall of the bottom buckle plate 5, the through holes IV 23 are communicated with the through holes III 22 in an air path, external air flow is absorbed through the through holes IV 23 and then discharged from the through holes III 22, the air flow is ventilated through the through holes II 21 and the through holes I20, and finally hot air is discharged from the top.

Be provided with air-cooler 24 on the bottom outer wall of back buckle 2, and the output of air-cooler 24 is connected with ventilation pipe 25, and ventilation pipe 25 is the shape of buckling and the opening upwards, through using air-cooler 24 to discharge cold air to discharge air conditioning from ventilation pipe 25, to the inside heat dissipation of box structure.

The top that is located end buckle 5 is provided with a fly leaf 26, and the bottom equidistance that is located fly leaf 26 is connected with a plurality of spring beam 27, and is connected with a plurality of pressure spring 28 that keeps the slope on the lateral wall of end buckle 5, and the other end of pressure spring 28 links to each other with end buckle 5 chamber inslot wall, carries out the shock attenuation buffering through using fly leaf 26 cooperation pressure spring 28 and spring beam 27.

The working principle is as follows: the top cover plate 1, the back buckle plate 2, the side plates 3 and the bearing plate 4 are integrally assembled into a cuboid or cube box structure, an opening is formed in the front face of the box structure, the transformer can be integrally placed at the top of the bearing plate 4, so that the transformer can be protected from the outside by the box structure, the top cover plate 1, the back buckle plate 2, the side plates 3 and the bearing plate 4 can select insulating plates to improve the effects of dust prevention and insulation protection, the two sides of the top cover plate are symmetrically provided with convex strips 6, the inner walls of the convex strips 6 are provided with exhaust pipes 7 at equal intervals, the internal hot air can enter the exhaust pipes 7 and is exhausted through exhaust holes in the convex strips 6, the top of the top cover plate is provided with a plurality of column sleeves 8 made of rubber, the external insulation protection can be performed on the binding posts of the transformer, and the elastic rubber pads 9 and the insulating pipes 10 can regularly discharge the lines of the transformer, A plurality of column bar plates 13 are arranged on the inner wall of the side plate 3 at equal intervals, a plurality of seepage holes are formed in the column bar plates 13, a plurality of ventilation boxes 14 identical to the convex strips 6 are arranged on the outer wall of the side plate 3, a fan inside the ventilation boxes 14 is used for exhausting air, the blade-shaped heat-conducting plate of the transformer can be subjected to quick heat dissipation, a plurality of through holes 20 are uniformly arranged in the middle of the top of the bearing plate 4 at equal intervals, a plurality of through holes two 21 are formed in the side wall of the bearing plate 4 and are communicated with a gas path of the through holes one 20, so that gas flow is fed into the interior of the box body structure from the bottom, a through hole three 22 in the inner wall of a cavity groove of the bottom buckle plate 5 can be matched, a through hole four 23 in the side wall of the bottom buckle plate 5 is reached, external gas is fed into the interior of the box body structure from the bottom and is exhausted from the top, and the heat dissipation effect is improved.

The invention 1, a top cover plate; 2. a back-buckling plate; 3. a side plate; 4. a support plate; 5. a bottom gusset plate; 6. a convex strip; 7. an exhaust pipe; 8. a column sleeve; 9. a rubber pad; 10. an insulating tube; 11. a buckle rod; 12. buckling strips; 13. a bar plate; 14. a ventilation box; 15. a guide post; 16. casting blocks; 17. a vertical plate; 18. a convex plate; 19. a baffle plate; 20. a first through hole; 21. a second through hole; 22. a third through hole; 23. a fourth through hole; 24. an air cooler; 25. a vent pipe; 26. a movable plate; 27. a spring lever; 28. the invention solves the problems that the prior dry-type transformer is lack of safety protection equipment, easy to seep ash in the using process, poor safety insulation property and poor integral heat dissipation performance due to the lack of a heat dissipation structure, and the invention combines the components mutually, the invention integrally assembles a cuboid or square box structure through a top cover plate, a back buckle plate, side plates and a supporting plate, and is provided with an opening on the front side, can integrally put the transformer on the top of the supporting plate to form the external protection for the transformer by using the box structure, the top cover plate, the back buckle plate, the side plates and the supporting plate can select insulating plates to improve the ash prevention protection and the insulation protection effects, the top cover plate is symmetrically provided with convex strips on two sides, the inner walls of the convex strips are provided with exhaust pipes at equal intervals, the internal hot gas can enter the exhaust pipes and be exhausted through the exhaust holes on the convex strips, the top of the top cover plate is provided with a plurality of column sleeves made of rubber, a binding post of the transformer can be arranged on the external insulating plates, and a plurality of the convex strips are arranged on the inner wall of the insulating plate, and a plurality of the heat dissipation plate can be arranged on the inner wall of the heat dissipation plate of the transformer, and a plurality of the heat-dissipation plate, and a plurality of the heat-conducting plate arranged on the heat-conducting plate, and a plurality of the heat-conducting plate are arranged on the heat-conducting plate, the air channel is communicated with the air channel through the through hole II, so that air flow is sent into the box structure from the bottom, and the air channel can be matched with the through hole III on the inner wall of the cavity groove of the bottom buckle plate and the through hole IV on the side wall of the bottom buckle plate, so that external air is promoted to enter the box structure from the bottom and then is discharged from the top, and the heat dissipation effect is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The safety protection device of the dry type transformer is characterized in that: the box body structure comprises a top cover plate (1), a back buckle plate (2) arranged on the back surface of the top cover plate (1), side plates (3) arranged on two sides of the top cover plate (1), a bearing plate (4) arranged at the bottom of the side plates (3) and a bottom buckle plate (5) positioned at the bottom of the bearing plate (4), wherein the top cover plate (1), the back buckle plate (2), the side plates (3) and the bearing plate (4) are integrally assembled into a cuboid or square box body structure, an opening is formed in the front surface of the box body structure, and the bottom end of the box body structure is embedded into the bottom buckle plate (5);

the utility model discloses a rubber mattress, including the lamina tecti, top apron is cuboid and bilateral symmetry and is provided with sand grip (6), the inner wall equidistance of sand grip (6) is provided with blast pipe (7), is located the top of sand grip (6) is provided with the exhaust hole that a plurality of corresponds, the lamina tecti top is provided with column casing (8) that a plurality of was made by rubber, and is located the inboard of column casing (8) is provided with elastic cushion (9), the top of cushion (9) is provided with a plurality of insulating tube (10).

2. A safety shield apparatus for a dry-type transformer as claimed in claim 1, wherein: be provided with on the outer wall of sand grip (6) and detain pole (11), and set up the catching groove of bar on detaining the outer wall of pole (11), the top of curb plate (3) is provided with long banding knot strip (12), is located the equidistance is provided with a plurality of column slat (13) on the inner wall of curb plate (3), be provided with a plurality of infiltration hole on column slat (13), and be provided with ventilation box (14) that a plurality of and column slat (13) correspond on the outer wall of curb plate (3), the inside of ventilation box (14) is provided with the fan, and the output of fan is linked together with the gas circuit in infiltration hole.

3. A safety shield apparatus for a dry-type transformer as recited in claim 2, wherein: the back buckle plate comprises a back buckle plate (2), and is characterized in that a plurality of guide pillars (15) are arranged at the top of the inner wall of the back buckle plate (2), the guide pillars (15) are inserted into a top cover plate (1), square grooves are formed in the two sides of the back buckle plate (2), two casting blocks (16) are arranged on the outer wall of the back buckle plate (2), a vertical plate (17) is arranged at the top of each casting block (16), the vertical plate (17) is inserted into the casting blocks (16) and is fixed through bolts, the vertical plate (17) is located a convex plate (18) fixedly connected to the top of the vertical plate (17), and a cuboid baffle (19) is detachably connected to the top of the convex plate (18).

4. A safety shield apparatus for a dry-type transformer as recited in claim 1, wherein: the top of bearing board (4) is provided with the slot of three cuboid, and the even equidistance is provided with a plurality of through-hole (20) in the middle of the top of bearing board (4), is located be provided with a plurality of through-hole two (21) on the lateral wall of bearing board (4), through-hole two (21) and through-hole one (20) gas circuit communicate with each other.

5. A safety shield apparatus for a dry-type transformer as claimed in claim 4, wherein: the bottom buckle plate (5) is in a disc shape, a cavity groove is formed in the top of the bottom buckle plate (5), a plurality of through holes III (22) are formed in the inner wall of the cavity groove, a plurality of through holes IV (23) are formed in the side wall of the bottom buckle plate (5), and the through holes IV (23) are communicated with the air passages of the through holes III (22).

6. A safety shield apparatus for a dry-type transformer as recited in claim 1, wherein: be provided with air-cooler (24) on the bottom outer wall of back buckle board (2), and the output of air-cooler (24) is connected with ventilation pipe (25), ventilation pipe (25) are the shape of buckling and the opening upwards.

7. A safety shield apparatus for a dry-type transformer as recited in claim 1, wherein: be located the top of end buckle plate (5) is provided with a fly leaf (26), is located the bottom equidistance of fly leaf (26) is connected with a plurality of spring beam (27), and is connected with pressure spring (28) that a plurality of kept the slope on the lateral wall of end buckle plate (5), and the other end and end buckle plate (5) chamber inslot wall of pressure spring (28) link to each other.