CN112652998A

CN112652998A - Heat abstractor for transformer substation

Info

Publication number: CN112652998A
Application number: CN202011483612.2A
Authority: CN
Inventors: 郭玉新; 方朔; 刘欣; 安重霖; 刘佳佟; 董轶; 苏楠; 王彦婷
Original assignee: State Grid Shandong Electric Power Co Construction Co; State Grid Corp of China SGCC
Current assignee: State Grid Shandong Electric Power Co Construction Co; State Grid Corp of China SGCC
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-13

Abstract

The invention discloses a heat dissipation device for a transformer substation in the field of heat dissipation for the transformer substation, which comprises a box body, wherein an opening and closing door is rotatably connected with the box body, a damping device is fixedly connected with the bottom of the box body, a square block is fixedly connected with the top in the box body, a sliding block is slidably connected in the square block, a first hollow column is fixedly connected with the sliding block, a first hollow column is sleeved with a limiting piece, the limiting piece is fixedly connected on the square block, one end of the first hollow column, which is far away from the sliding block, is fixedly connected with a coil, the inner wall of the coil is slidably connected with a first resistance column, and one end of the first resistance column is fixedly connected with a first round column. Thereby causing the problem that the service life of transformer substation is reduced greatly to the heat dissipation is bad.

Description

Heat abstractor for transformer substation

Technical Field

The invention relates to the field of heat dissipation for a transformer substation, in particular to a heat dissipation device for a transformer substation.

Background

The box-type substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system, the box-type substation in a power plant is a step-up box-type substation, the step-up box-type substation is used for boosting the electric energy generated by a generator and then feeding the electric energy into a high-voltage power grid, the box-type substation can generate a large amount of heat during operation, and if the heat cannot be dissipated out of the box-type substation, electronic components in the box-type substation can be damaged in an overload mode.

Present box-type substation causes the damage in order to prevent that the heat is too high to inside electronic component, all can be at box-type substation internally mounted heat abstractor, it gives off the inside heat of box-type substation to drive the flabellum rotation with higher speed air flow rate through the motor among the prior art mostly, but the slew velocity of motor can't be adjusted by oneself, cause the waste of electric power, and the environment in the transformer substation is comparatively abominable, dust content is great in the air, can lead to a large amount of dusts of filter screen adhesion on the thermovent, and then can make box-type substation's life reduce greatly, so need often clear up the filter screen.

Disclosure of Invention

The invention aims to provide a heat dissipation device for a transformer substation, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a heat dissipation device for a transformer substation comprises a box body, wherein the box body is rotatably connected with an opening and closing door, the bottom of the box body is fixedly connected with a damping device, the top in the box body is fixedly connected with a square block, the square block is internally and slidably connected with a sliding block, the sliding block is fixedly connected with a first hollow column, the hollow column is sleeved with a limiting piece, the limiting piece is fixedly connected onto the square block, one end of the first hollow column, which is far away from the sliding block, is fixedly connected with a coil, the inner wall of the coil is slidably connected with a resistance column, one end of the resistance column is fixedly connected with the first circular column, the first circular column is slidably connected into the first hollow column, the other end of the resistance column is fixedly connected with a connecting seat, the outer wall of the coil is fixedly connected with a fixing ring, the fixing, all be provided with the filter screen in the installation hole, one side that the filter screen is adjacent all is provided with the flabellum, the equal fixedly connected with motor of flabellum is first, motor one all overlaps and is equipped with installation seat one, installation seat one fixed connection is on the box, the one side that the flabellum was kept away from to the filter screen all is provided with the cleaning brush, one side fixedly connected with a plurality of brush head that the cleaning brush is close to the filter screen, the cleaning brush both sides all are equipped with the gag lever post, the equal fixed connection in gag lever post both ends is on the box, cleaning brush intermediate position threaded connection has the threaded rod, threaded rod one end is passed through the bearing and is rotated and connect in the bottom half, the threaded rod other end passes the box top, just the threaded rod passes the one end fixedly connected with motor two at box top, two fixedly.

As a further scheme of the invention: the mounting hole has been seted up with the box junction to T type piece, and the mounting hole internal fixation has spring one, spring one fixedly connected with keeps off the ring, the one end laminating that keeps away from spring one of fender ring has the ball, one side laminating that keeps away from the fender ring is had the spacing ring to solid ball, spacing ring fixed connection is in the mounting hole, the ball is close to one side and the box laminating of spacing ring, reduces the coefficient of friction of T type piece on the box, prolongs the life of T type piece.

As a still further scheme of the invention: the limit ring is circular-arc with the adjacent one side of fender ring, and with ball cambered surface phase-match, the more smooth and easy roll of the ball of being convenient for.

As a still further scheme of the invention: damping device includes second spring, hollow post two and boss, be provided with second spring in the hollow post two, two fixedly connected with bosss of spring, the boss passes hollow post two, and the boss passes the one end fixed connection of hollow post two on the box, improve equipment's shock attenuation effect.

As a still further scheme of the invention: one side that square piece inner wall and slider kept away from hollow post one forms the cavity, and the cavity intussuseption is filled with the inflation thing, utilizes the principle of object expend with heat and contract with cold, realizes the resistance of real-time control access power.

As a still further scheme of the invention: the door that opens and shuts has two, and the equal fixedly connected with handle of the door that opens and shuts, two the door that opens and shuts all is provided with the axis of rotation with the box junction, the axis of rotation cover is equipped with hollow ring, hollow ring has two at least, just the equal fixed connection of hollow ring is on the door that opens and shuts, the equal fixedly connected with connection piece in axis of rotation both ends, the equal fixed connection of connection piece is on the box, is convenient for opening and shutting of the door that opens and shuts.

As a still further scheme of the invention: the equal fixedly connected with installing frame in box both sides, installing frame fixedly connected with shutter plate, just the bleeder vent has been seted up to the shutter plate bottom side, plays the ventilation effect that increases the air when preventing that the rainwater from getting into in the use.

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

1. according to the invention, the slider is pushed to slide in the square block by the expansion object, the slider pushes the coil to slide to one side of the resistance column gradually on the round column through the hollow column I, when the coil is communicated with the resistance column, the motor I is electrified, the motor I drives the fan blade to rotate to radiate heat of an electrical element in the box body, the volume of the expansion object is changed along with the change of the temperature in the box body, the higher the temperature is, the larger the volume of the expansion object is, the fewer the resistance columns connected to a power supply are, the higher the rotation speed of the motor is, and the reverse is realized, so that the rotation speed of the motor is controlled in real time, and the;

2. according to the invention, the threaded rod is driven to rotate by the motor II, the threaded rod drives the cleaning brush to slide on the limiting rod, the cleaning brush cleans dust on the filter screen through the brush head, the cleaned dust is separated from the filter screen, and the separated dust is discharged out of the box body downwards along the louver boards under the action of wind force blown by the fan blades, so that the filter screen is ensured to exhaust smoothly all the time, and the filter screen is prevented from being blocked, thereby causing poor exhaust effect of the box body and causing damage to electrical components in the box body 1 due to overhigh temperature.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic diagram of an explosive structure according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a schematic diagram of a connection relationship between square blocks according to the present invention;

FIG. 6 is a schematic view of a connection structure of a motor according to the present invention;

FIG. 7 is a schematic view of a connection structure of the fixing rings of the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 7 at C;

fig. 9 is a schematic structural view of the shock absorbing device of the present invention.

In the figure: 1. a box body; 2. a damping device; 3. connecting sheets; 4. a square block; 5. a slider; 6. a limiting sheet; 7. a first hollow column; 8. a circular column; 9. a resistance post; 10. a connecting seat; 11. a coil; 12. a fixing ring; 13. a T-shaped block; 14. a first spring; 15. a baffle ring; 16. a limiting ring; 17. a ball bearing; 18. a fan blade; 19. a first motor; 20. a first mounting seat; 21. a second spring; 22. a hollow column II; 23. a boss; 24. installing a frame; 25. a louver board; 26. a second motor; 27. a second mounting seat; 28. a threaded rod; 29. a limiting rod; 30. cleaning with a brush; 31. a brush head; 32. filtering with a screen; 33. a rotating shaft; 34. a hollow ring; 35. opening and closing the door; 36. a handle; 37. a cavity.

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 to 9, in the embodiment of the invention, a heat dissipation device for a transformer substation comprises a box body 1, the box body 1 is rotatably connected with an opening and closing door 35, the bottom of the box body 1 is fixedly connected with a damping device 2, the top of the inside of the box body 1 is fixedly connected with a square block 4, the square block 4 is slidably connected with a sliding block 5, the sliding block 5 is fixedly connected with a hollow column I7, the hollow column I7 is sleeved with a limiting sheet 6, the limiting sheet 6 is fixedly connected to the square block 4, one end of the hollow column I7 far away from the sliding block 5 is fixedly connected with a coil 11, the inner wall of the coil 11 is slidably connected with a resistance column 9, one end of the resistance column 9 is fixedly connected with a round column I8, the round column I8 is slidably connected to the inside of the hollow column I7, the other end of the resistance column 9 is fixedly connected with a, mounting openings are formed in two sides of the box body 1, filter screens 32 are arranged in the mounting openings, fan blades 18 are arranged on one sides adjacent to the filter screens 32, the fan blades 18 are fixedly connected with a motor I19, the motor I19 is sleeved with a mounting seat I20, the mounting seat I20 is fixedly connected to the box body 1, a cleaning brush 30 is arranged on one side, far away from the fan blades 18, of the filter screens 32, a plurality of brush heads 31 are fixedly connected to one side, close to the filter screens 32, of the cleaning brush 30, limiting rods 29 are sleeved on two sides of the cleaning brush 30, two ends of the limiting rods 29 are fixedly connected to the box body 1, a threaded rod 28 is in threaded connection with the middle of the cleaning brush 30, one end of the threaded rod 28 is rotatably connected to the bottom of the box body 1 through a bearing, the other end of the threaded rod 28 penetrates through the top of the box body 1, one end, of the threaded rod 28 penetrating, according to the invention, the sliding block 5 is pushed to slide according to the principle of expansion with heat and contraction with cold of an object, the sliding block 5 pushes the coil 11 to slide on the resistance column 9 through the hollow column I7, and the size of the access resistance is controlled, so that the rotating speed of the motor is controlled in real time, and the cleaning brush 30 is driven by the motor II 26 and the threaded rod 28 to clean the filter screen 32, so that the problem that the service life of the transformer substation is greatly shortened due to poor heat dissipation caused by blockage of the filter screen 32 is avoided.

The T-shaped block 13 is connected with the box body 1 through a mounting hole, a first spring 14 is fixedly connected in the mounting hole, a baffle ring 15 is fixedly connected to the first spring 14, one end, far away from the first spring 14, of the baffle ring 15 is attached with a ball 17, one side, far away from the baffle ring 15, of the fixed ball 17 is attached with a limiting ring 16, the limiting ring 16 is fixedly connected in the mounting hole, one side, close to the limiting ring 16, of the ball 17 is attached with the box body 1, the friction coefficient of the T-shaped block 13 on the box body 1 is reduced, and the service life of the T-shaped block 13 is prolonged; one surface of the limiting ring 16 adjacent to the baffle ring 15 is arc-shaped and is matched with the arc surface of the ball 17, so that the ball 17 can roll more smoothly; the damping device 2 comprises a second spring 21, a second hollow column 22 and a boss 23, the second spring 21 is arranged in the second hollow column 22, the boss 23 is fixedly connected to the second spring 21, the boss 23 penetrates through the second hollow column 22, and one end, penetrating through the second hollow column 22, of the boss 23 is fixedly connected to the box body 1, so that the damping effect of the equipment is improved; a cavity 37 is formed by the inner wall of the square block 4 and one surface of the sliding block 5, which is far away from the hollow column I7, and an expansion material is filled in the cavity 37, so that the real-time control of the resistance connected to the power supply is realized by utilizing the principle that an object expands with heat and contracts with cold; the number of the opening and closing doors 35 is two, handles 36 are fixedly connected to the opening and closing doors 35, rotating shafts 33 are arranged at the connecting positions of the two opening and closing doors 35 and the box body 1, hollow rings 34 are sleeved on the rotating shafts 33, at least two hollow rings 34 are arranged, the hollow rings 34 are fixedly connected to the opening and closing doors 35, connecting pieces 3 are fixedly connected to two ends of each rotating shaft 33, and the connecting pieces 3 are fixedly connected to the box body 1 to facilitate opening and closing of the opening and closing doors 35; the equal fixedly connected with installing frame 24 in 1 both sides of box, installing frame 24 fixedly connected with shutter plate 25, and the louvre plate 25 bottom side has seted up the bleeder vent, plays the ventilation effect that increases the air when preventing that the rainwater from getting into in the use.

The working principle of the invention is as follows:

firstly, the connection end of a first motor 19 is communicated with one end, close to a connecting seat 10, of a resistance column 9 through a wire, when the box-type substation is used, an electric element in a box body 1 can continuously generate heat after long-time work, the heat of the electric element can exchange heat with air in the box body 1, the air is heated to a high temperature, the molecular motion speed is high, the volume is increased, and the density is reduced, so that the air after heat exchange gradually rises to the top of the box body 1, an expansion object in a square block 4 is heated to expand, the expansion object pushes a sliding block 5 to slide in the square block 4, the sliding block 5 pushes a coil 11 to gradually slide to one side of the resistance column 9 on a circular column 8 through a first hollow column 7, when the coil 11 is communicated with the resistance column 9, the first motor 19 is electrified, the first motor 19 drives a fan blade 18 to rotate to radiate the electric element in the box body 1, and, the higher the temperature is, the larger the volume of the expansion object is, the fewer the resistance columns 9 connected to the power supply are, the higher the rotation speed of the motor I19 is, and vice versa, it needs to be explained here that the expansion object can be air, water or a solid easy to expand, and when the gas or the liquid is, the sealing of the cavity 37 formed by the inner wall of the square block 4 and the surface of the sliding block 5 far away from the hollow column I7 needs to be done; have the dust after box-type substation uses a period and fall on the filter screen 32 of box 1 both sides, only need starter motor two 26, motor two 26 passes through threaded rod 28 and drives cleaning brush 30 and slide on gag lever post 29, cleaning brush 30 cleans the dust on filter screen 32 through brush head 31, clean back dust and filter screen 32 and break away from, the dust after breaking away from is along louvre board 25 discharge box 1 downwards under the wind-force effect that flabellum 18 blew off, it is unobstructed to guarantee that filter screen 32 exhausts all the time, avoid filter screen 32 to block up, thereby cause box 1 exhaust effect not good, lead to the electrical components high temperature in the box 1 and damage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a heat abstractor for transformer substation, includes box (1), its characterized in that: the box body (1) is rotatably connected with an opening and closing door (35), the bottom of the box body (1) is fixedly connected with a damping device (2), the top of the inner part of the box body (1) is fixedly connected with a square block (4), the square block (4) is internally and slidably connected with a sliding block (5), the sliding block (5) is fixedly connected with a hollow column I (7), the hollow column I (7) is sleeved with a limiting piece (6), the limiting piece (6) is fixedly connected on the square block (4), one end, far away from the sliding block (5), of the hollow column I (7) is fixedly connected with a coil (11), the inner wall of the coil (11) is slidably connected with a resistance column (9), one end of the resistance column (9) is fixedly connected with a circular column I (8), the circular column I (8) is slidably connected in the hollow column I (7), and the other end of the resistance column (9, the cleaning device is characterized in that a fixing ring (12) is fixedly connected to the outer wall of the coil (11), a T-shaped block (13) is fixedly connected to the fixing ring (12), the T-shaped block (13) is connected to the box body (1) in a sliding manner, mounting openings are formed in two sides of the box body (1), a filter screen (32) is arranged in each mounting opening, fan blades (18) are arranged on one adjacent sides of the filter screens (32), a motor I (19) is fixedly connected to the fan blades (18), a mounting seat I (20) is sleeved on each motor I (19), the mounting seat I (20) is fixedly connected to the box body (1), a cleaning brush (30) is arranged on one side, away from the fan blades (18), of each filter screen (32), a plurality of brush heads (31) are fixedly connected to one side, close to the filter screen (32), of the cleaning brush heads (30) are sleeved with limiting rods (29, the equal fixed connection in gag lever post (29) both ends is on box (1), sweeper (30) intermediate position threaded connection has threaded rod (28), threaded rod (28) one end is passed through the bearing and is rotated and connect in box (1) bottom, box (1) top is passed to the threaded rod (28) other end, just threaded rod (28) passes two (26) of one end fixedly connected with motor at box (1) top, two (26) fixedly connected with mount pad two (27) of motor, two (27) fixed connection of mount pad are at box (1) top.

2. The heat dissipation device for the substation according to claim 1, characterized in that: the mounting hole has been seted up with box (1) junction in T type piece (13), and mounting hole fixedly connected with spring (14), spring (14) fixedly connected with keeps off ring (15), the one end laminating that spring (14) were kept away from in fender ring (15) has ball (17), one side laminating that fender ring (15) were kept away from in solid ball (17) has spacing ring (16), spacing ring (16) fixed connection is in the mounting hole, one side and box (1) laminating that ball (17) are close to spacing ring (16).

3. The heat dissipation device for the substation according to claim 2, characterized in that: the limiting ring (16) and the adjacent surface of the baffle ring (15) are both arc-shaped and are matched with the arc surface of the ball (17).

4. The heat dissipation device for the substation according to claim 1, characterized in that: damping device (2) are including spring two (21), hollow post two (22) and boss (23), be provided with spring two (21) in hollow post two (22), spring two (21) fixedly connected with boss (23), hollow post two (22) are passed in boss (23), and one end fixed connection that hollow post two (22) were passed in boss (23) is on box (1).

5. The heat sink for a substation according to claim (1), characterized in that: one side that square piece (4) inner wall and slider (5) kept away from hollow column (7) forms cavity (37), and cavity (37) intussuseption is filled with the inflation thing.

6. The heat dissipation device for the substation according to claim 1, characterized in that: door (35) that opens and shuts has two, and the equal fixedly connected with handle (36) of door (35) that opens and shuts, two door (35) that opens and shuts all is provided with axis of rotation (33) with box (1) junction, axis of rotation (33) cover is equipped with hollow ring (34), hollow ring (34) have at least two, just the equal fixed connection of hollow ring (34) is on door (35) that opens and shuts, the equal fixedly connected with connection piece (3) in axis of rotation (33) both ends, the equal fixed connection of connection piece (3) is on box (1).

7. The heat dissipation device for the substation according to claim 1, characterized in that: the louver box is characterized in that mounting frames (24) are fixedly connected to the two sides of the box body (1), louver boards (25) are fixedly connected to the mounting frames (24), and air holes are formed in the bottom sides of the louver boards (25).