CN113192724A

CN113192724A - Oil-immersed transformer with automatic cleaning function

Info

Publication number: CN113192724A
Application number: CN202110476573.1A
Authority: CN
Inventors: 王婉; 姚君可; 杨双瑞; 王冠
Original assignee: Jiangsu Zhixiang Transformer Co ltd
Current assignee: Yao Shanshan
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-07-30
Anticipated expiration: 2041-04-29
Also published as: CN113192724B8; CN113192724B

Abstract

The invention discloses an oil immersed transformer with an automatic cleaning function, which comprises an outer shell, a spraying mechanism, a lifting mechanism and an inner shell, wherein heat dissipation ports are formed in the left side and the right side of the middle of the outer shell, the spraying mechanism is installed in the middle of the top end of a support, the lifting mechanism is installed at the lower end of the inner part of the outer shell, clamping blocks are arranged on the left side and the right side of the bottom of the inner shell, and a filter box is arranged on the left side of the inner part of an oil storage tank. The heat dissipation effect of the device is effectively improved, and therefore the service life of the device is prolonged.

Description

Oil-immersed transformer with automatic cleaning function

Technical Field

The invention relates to the technical field of oil-immersed transformers, in particular to an oil-immersed transformer with an automatic cleaning function.

Background

With the transformation of power grids in urban and rural construction in China, a large amount of oil-immersed transformers are put into the urban and rural power grids for use, so that the oil-immersed transformers become one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings.

The outdoor time of current oil-immersed transformer outside case shell installation is longer, make pile up dust and granule on the case shell, make dust and granule pass through the thermovent easily and get into inside, cause the clearance inconvenient, and still can influence the radiating effect, there is not safeguard function to oil-immersed transformer simultaneously, cause the collision of different degrees of internal plant in the transportation easily, make oil-immersed transformer cause the damage, the fault rate of transformer has been increased, can't use even, to the problem, need improve current equipment.

Disclosure of Invention

The invention aims to provide an oil-immersed transformer with an automatic cleaning function, and aims to solve the problems that the oil-immersed transformer provided by the background art does not have the automatic cleaning function, cannot clean dust on a shell and a dust screen, influences the heat dissipation effect and is not provided with a protection function.

In order to achieve the purpose, the invention provides the following technical scheme: an oil-immersed transformer with automatic cleaning function comprises an outer shell, a spraying mechanism, a lifting mechanism and an inner shell,

the supporting legs are arranged on the left side and the right side of the bottom of the shell body, the supporting plates are arranged at the lower ends of the outer walls on the left side and the right side of the shell body, the two supporting plates are connected through a bracket, an electric slide bar is arranged on the inner side of the bracket, an electric slide block is arranged on the electric slide bar, meanwhile, the electric slide block is connected with a cleaning brush by screw thread, the left side and the right side of the middle of the shell are provided with heat dissipation ports, and the inner part of the heat dissipation port is provided with a dust screen, the top end of the inner side of the shell is provided with a fixed rod, the bottom end of the fixed rod is fixedly connected with a baffle plate, meanwhile, the lower end of the baffle is provided with a rubber pad, the two sides of the lower end in the shell are provided with sliding chutes, the middle of the lower end of the shell is provided with a water outlet, meanwhile, a drain valve is arranged on the drain outlet, a box door is arranged at the front end of the shell body, and the box door is connected with the shell body through a hinge;

the spraying mechanism is arranged in the middle of the top end of the support, and the height of the top end of the support is higher than that of the top end of the shell;

the lifting mechanism is arranged at the lower end in the shell body;

the oil-immersed transformer comprises an inner shell, the left and right sides of the bottom of the inner shell is provided with a clamping block, the bottom of the inner shell is provided with an oil storage tank, the front end of the right side of the oil storage tank is provided with an oil inlet, a sealing cover is installed on the oil inlet, the left side of the inside of the oil storage tank is provided with a filter box, a filter hole is formed in the filter box, and a filter cotton layer is installed inside the filter box.

Preferably, the spraying mechanism comprises a transparent water tank, a water inlet, a cover, a water outlet pipe, a water pump, a transverse pipe and a sprinkler bead, the transparent water tank is installed in the middle of the top end of the support, the water inlet is formed in the right side of the upper end of the transparent water tank, the cover is connected to the water inlet in a threaded mode, the water outlet pipe is arranged in the middle of the lower end of the transparent water tank, the water outlet pipe penetrates through the support and is connected with the transverse pipe, the water pump is installed on the water outlet pipe, the sprinkler bead is arranged at the bottom of the transverse pipe, the sprinkler bead is three, and the sprinkler bead is located above the shell.

Preferably, electric slide bar, electronic slider and cleaning brush all are provided with two, and electric slide bar, electronic slider and cleaning brush are the symmetry setting about shell body, the brush head and the laminating of shell body outer wall of cleaning brush.

Preferably, the baffle is located above the inner shell housing.

Preferably, elevating system includes loading board, slider, draw-in groove, electric telescopic handle and spring, the loading board left and right sides is provided with the slider, and two sliders are sliding connection with the spout, the draw-in groove has been seted up to the loading board upper end, and the draw-in groove is provided with two, the equal fixedly connected with electric telescopic handle in both ends about the loading board bottom, and electric telescopic handle's bottom and shell shells inner wall bottom are connected, electric telescopic handle's surface has cup jointed the spring, and the top and the bottom of spring are connected with loading board lower extreme and shell inner wall bottom respectively.

Preferably, the bearing plate and the electric telescopic rod form a lifting structure.

Preferably, the number of the clamping blocks is two, the size of each clamping block is the same as that of each clamping groove, and the positions of the clamping blocks correspond to those of the clamping grooves.

Compared with the prior art, the invention has the beneficial effects that: the oil-immersed transformer with the automatic cleaning function,

(1) the automatic cleaning device is provided with the spraying mechanism, the electric sliding rod, the electric sliding block and the cleaning brush, water flows into the transverse pipe from the water outlet pipe through the water pump and is sprayed onto the shell from the water spraying head, and then the electric sliding rod drives the electric sliding block to move, so that the shell and the dust screen are cleaned through the cleaning brush, the automatic cleaning function is realized, the shell is kept clean, the heat dissipation effect of the device is effectively improved, and the service life of the device is prolonged;

(2) the anti-collision device is provided with a baffle, a rubber pad, a chute and a lifting mechanism, the baffle is placed in a clamping groove on the bearing plate through a clamping block, the lower end of the inner shell is fixed on the bearing plate, the bearing plate is driven to ascend through an electric telescopic rod, a sliding block slides in the chute, then the upper end of the inner shell is attached to the bottom of the baffle, the upper end of the inner shell is fixed, the rubber pad can prevent the baffle from rubbing the upper end of the inner shell, and through the matching use of the baffle, the rubber pad, the chute and the lifting mechanism, the anti-collision capacity is effectively enhanced, the internal elements of the transformer are prevented from being collided and damaged during the transportation, and the fault rate of the transformer is reduced;

(3) the oil storage tank is provided with the oil inlet, the filter box and the cooling circulation oil outlet pipe, the oil inlet is formed in the oil storage tank, new oil can be conveniently added into the oil storage tank, the filter box is arranged to filter oil in circulation cooling, the service life of the oil is prolonged, and the oil can play a good cooling and maintaining role;

(4) be provided with thermovent and dust screen, through the thermovent of seting up on the shell body, with the heat discharge of inside production for inside oil temperature can not be too high, has alleviateed the burden when cooling the maintenance for oil liquid, has guaranteed holistic cooling effect, and the dust screen can prevent that outside dust from entering into inside.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic front view of the outer shell, the bracket, the spraying mechanism, the lifting mechanism and the inner shell of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic sectional view of the inner shell of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 4 according to the present invention.

In the figure: 1. the device comprises an outer shell, a support leg, a support plate, a support, a spraying mechanism, a transparent water tank, a water inlet, a cover, a 504, a water outlet pipe, a 505, a water pump, a 506, a transverse pipe, a 507, a sprinkler head, a 6, an electric slide bar, a 7, an electric slide block, a 8, a cleaning brush, a 9, a heat dissipation port, a 10, a fixing rod, a 11, a baffle plate, a 12, a rubber pad, a 13, a sliding chute, a 14, a lifting mechanism, a 1401, a bearing plate, a 1402, a sliding block, a 1403, a clamping groove, a 1404, an electric telescopic rod, a 1405, a spring, a 15, a water outlet, a 16, a drain valve, a 17, a box door, an 18, a hinge, a 19, an inner shell, a 20, a clamping block, a 21, an oil storage tank, a 22, an oil inlet, a 23, a filter box, a 24, a filter hole, a 25, a filter cotton layer, a 26, a cooling circulation oil outlet pipe, a 27, an oil pump, a 28, an oil discharge pipe, a 29, an oil spray head, a 30, an oil immersion type transformer body, 31. coil, 32, communicating pipe, 33, dust screen.

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. 1-6, the present invention provides a technical solution: an oil immersed transformer with an automatic cleaning function is disclosed, as shown in figure 1, figure 2 and figure 3, supporting legs 2 are respectively arranged at the left side and the right side of the bottom of a shell body 1, supporting plates 3 are respectively arranged at the lower ends of the outer walls of the left side and the right side of the shell body 1, the two supporting plates 3 are connected through a support 4, an electric slide bar 6 is arranged at the inner side of the support 4, an electric slide block 7 is arranged on the electric slide bar 6, a cleaning brush 8 is connected to the electric slide block 7 through threads, the electric slide bar 6, the electric slide block 7 and the cleaning brush 8 are respectively provided with two parts, the electric slide bar 6, the electric slide block 7 and the cleaning brush 8 are symmetrically arranged relative to the shell body 1, a brush head of the cleaning brush 8 is attached to the outer wall of the shell body 1, the electric slide block 7 is driven to move by starting the electric slide bar 6, so that the cleaning brush 8 cleans the shell body 1 and a dust screen 33, and the device has an automatic cleaning function, thermovent 9 has been seted up to the left and right sides in the middle of shell body 1, and thermovent 9 internally mounted has dust screen 33, dead lever 10 is installed on 1 inboard top of shell body, and dead lever 10 bottom fixedly connected with baffle 11, rubber pad 12 is installed to baffle 11 lower extreme simultaneously, baffle 11 is located inner shell 19's top, be convenient for utilize baffle 11 to fix inner shell 19 upper end, spout 13 has been seted up to 1 inside lower extreme both sides of shell body, and be provided with outlet 15 in the middle of 1 lower extreme of shell body, install drain valve 16 on the outlet 15 simultaneously, 1 front end of shell body is provided with chamber door 17, and chamber door 17 is connected with shell body 1 through hinge 18.

According to fig. 1, 2 and 3, the spraying mechanism 5 is installed in the middle of the top end of the support 4, the spraying mechanism 5 comprises a transparent water tank 501, a water inlet 502, a cover 503, a water outlet pipe 504, a water pump 505, a horizontal pipe 506 and three spraying heads 507, the transparent water tank 501 is installed in the middle of the top end of the support 4, the water inlet 502 is arranged on the right side of the upper end of the transparent water tank 501, the cover 503 is connected to the water inlet 502 through threads, the water outlet pipe 504 is arranged in the middle of the lower end of the transparent water tank 501, the water outlet pipe 504 penetrates through the support 4 and is connected with the horizontal pipe 506, the water pump 505 is installed on the water outlet pipe 504, the spraying heads 507 are arranged at the bottom of the horizontal pipe 506, the spraying heads 507 are arranged in three numbers, the positions of the spraying heads 507 are positioned above the shell body 1, when the shell body 1 has dust, water flows into the horizontal pipe 506 from the water outlet pipe 504 and then is sprayed onto the shell body 1 from the spraying heads 507, the dust on the top of the shell 1 is washed, then the sewage flows downwards through the outer wall of the shell 1, and the height of the top end of the support 4 is higher than that of the top end of the shell 1.

As shown in fig. 1, 2 and 5, the lifting mechanism 14 is installed at the lower end inside the outer shell 1, the lifting mechanism 14 includes a bearing plate 1401, sliders 1402, slots 1403, electric telescopic rods 1404 and springs 1405, the left and right sides of the bearing plate 1401 are provided with the sliders 1402 which are slidably connected with the slots 13, the upper end of the bearing plate 1401 is provided with the slots 1403 and the slots 1403 are provided with two slots 1403, the left and right ends of the bottom of the bearing plate 1401 are fixedly connected with the electric telescopic rods 1404, the bearing plate 1401 and the electric telescopic rods 1404 form a lifting structure, by starting the electric telescopic rods 1404, the sliders 1402 at the two ends of the bearing plate 1401 slide and rise in the slots 13 at the two sides of the outer shell 1, the upper end of the inner shell 19 is attached and fixed to the rubber pad 12 arranged on the baffle 11, the bottom of the electric telescopic rods 1404 is connected with the bottom of the inner wall of the outer shell 1, the springs 1405 are sleeved on the surface of the electric telescopic rods 1404, and the top and the bottom of spring 1405 are connected with loading board 1401 lower extreme and shell body 1 inner wall bottom respectively, and spring 1405 can reduce oil-immersed transformer's vibrations for crashproof ability is better.

As shown in fig. 1, 2, 4 and 6, two clamping blocks 20 are disposed on the left and right sides of the bottom of the inner shell 19, the two clamping blocks 20 are disposed, the size of each clamping block 20 is the same as that of the clamping groove 1403, and the position of each clamping block 20 corresponds to that of the clamping groove 1403, so that the inner shell 19 can be conveniently fixed inside the clamping groove 1403 through the clamping block 20, the stability of the lower end of the inner shell 19 is ensured, an oil storage tank 21 is disposed at the bottom end inside the inner shell 19, an oil inlet 22 is disposed at the front end of the right side of the oil storage tank 21, a sealing cover is mounted on the oil inlet 22, a filter box 23 is disposed on the left side inside the oil storage tank 21, a filter hole 24 is disposed on the filter box 23, a filter cotton layer 25 is mounted inside the filter box 23, a cooling circulation oil outlet pipe 26 is disposed on the left side of the filter box 23, the cooling circulation oil outlet pipe 26 penetrates through the left side of the oil storage tank 21 and is connected with the oil pump 27, and an oil outlet pipe 28 is connected to the other end of the oil pump 27, and the bottom of the upper end of the oil discharge pipe 28 is provided with an oil spray head 29, the oil spray head 29 penetrates through the upper end of the oil-immersed transformer body 30, a coil 31 is fixedly mounted inside the oil-immersed transformer body 30, and the bottom of the oil-immersed transformer body 30 is communicated with the upper end of the oil storage tank 21 through a communicating pipe 32.

The working principle is as follows: when the oil-immersed transformer with the automatic cleaning function is used, firstly, an inner shell 19 of the oil-immersed transformer which is assembled inside is fixed in a clamping groove 1403 on a bearing plate 1401 through a clamping block 20 at the lower end, then an electric telescopic rod 1404 is started, so that sliding blocks 1402 at two ends of the bearing plate 1401 slide and rise in sliding grooves 13 at two sides of an outer shell 1, the upper end of the inner shell 19 is attached and fixed with a rubber pad 12 arranged on a baffle plate 11, oil is added into an oil storage tank 21 through an oil inlet 22, the oil inlet 22 is sealed by using a sealing cover, a tank door 17 is closed through a hinge 18, then a cover 503 on a transparent water tank 501 is opened, after the transparent water tank 501 is filled with water through a water inlet 502, an oil pump 27 is started, so that the oil inside the oil storage tank 21 is filtered through a filter hole 24 and a filter cotton layer 25 on a filter box 23, and then enters the inside of the oil pump 27 from a cooling circulation oil outlet 26, then the oil passes through the oil discharge pipe 28 to the oil spray head 29, then the oil spray head 29 sprays the oil on the coil 31 inside the oil-immersed transformer body 30, the redundant oil enters the oil storage tank 21 through the communicating pipe 32, the heat generated by the oil-immersed transformer during operation is discharged through the heat dissipation port 9, then the dustproof net 33 arranged on the heat dissipation port 9 prevents the dust from entering the inside of the outer shell 1, which causes the damage of the equipment inside the inner shell 19, when the outer shell 1 has dust, the water pump 505 is opened, so that the water flows into the transverse pipe 506 from the water outlet pipe 504, the water is sprayed onto the outer shell 1 from the water spray head 507, then the electric slide rod 6 is started to drive the electric slide block 7 to move, so that the cleaning brush 8 cleans the outer shell 1 and the dustproof net 33, when the dustproof net 33 is cleaned, the water enters the inside the outer shell 1 through the holes on the dustproof net 33, and the water discharge valve 16 can be started, the water discharge opening 15 is opened to allow water to be discharged from the water discharge opening 15, which is not described in detail in this specification, and is well known to those skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an oil-immersed transformer with automatic clearance function, includes shell body (1), sprays mechanism (5), elevating system (14) and inner shell body (19), its characterized in that:

the cleaning device comprises a shell body (1), supporting legs (2) are installed on the left side and the right side of the bottom of the shell body (1), supporting plates (3) are installed on the lower ends of the outer walls of the left side and the right side of the shell body (1), the two supporting plates (3) are connected through a support (4), an electric slide bar (6) is installed on the inner side of the support (4), an electric slide block (7) is arranged on the electric slide bar (6), a cleaning brush (8) is connected to the electric slide block (7) through threads, heat dissipation ports (9) are formed in the left side and the right side of the middle of the shell body (1), a dust screen (33) is installed inside the heat dissipation ports (9), a fixing rod (10) is installed at the top end of the inner side of the shell body (1), a baffle (11) is fixedly connected to the bottom of the fixing rod (10), a rubber pad (12) is installed at the lower end of the baffle (11), and sliding grooves (13) are formed in the two sides of the lower end inside the shell body (1), a water outlet (15) is formed in the middle of the lower end of the shell body (1), a water discharge valve (16) is mounted on the water outlet (15), a box door (17) is arranged at the front end of the shell body (1), and the box door (17) is connected with the shell body (1) through a hinge (18);

the spraying mechanism (5) is arranged in the middle of the top end of the support (4), and the height of the top end of the support (4) is higher than that of the top end of the shell (1);

the lifting mechanism (14), the said lifting mechanism (14) is installed in the lower end of the inside of outer casing (1);

the oil-immersed transformer comprises an inner shell (19), clamping blocks (20) are arranged on the left side and the right side of the bottom of the inner shell (19), an oil storage tank (21) is arranged at the bottom end of the inner shell (19), an oil inlet (22) is arranged at the front end of the right side of the oil storage tank (21), a sealing cover is installed on the oil inlet (22), a filter box (23) is arranged on the left side of the inside of the oil storage tank (21), a filter hole (24) is formed in the filter box (23), a filter cotton layer (25) is installed inside the filter box (23), a cooling circulation oil outlet pipe (26) is arranged on the left side of the filter box (23), the cooling circulation oil outlet pipe (26) penetrates through the left side of the oil storage tank (21) and is connected with an oil pump (27), the other end of the oil pump (27) is connected with an oil discharge pipe (28), an oil spray head (29) is arranged at the bottom of the upper end of the oil discharge pipe (28), and the oil spray head (29) penetrates through the upper end of the oil-immersed transformer body (30), coil (31) is fixedly mounted inside the oil-immersed transformer body (30), and the bottom of the oil-immersed transformer body (30) is communicated with the upper end of the oil storage tank (21) through a communicating pipe (32).

2. Oil filled transformer with automatic cleaning function according to claim 1, characterized by: spray mechanism (5) are including transparent water tank (501), water inlet (502), lid (503), outlet pipe (504), water pump (505), violently manage (506) and sprinkler bead (507), transparent water tank (501) are installed in the middle of support (4) top, and transparent water tank (501) upper end right side is provided with water inlet (502), and threaded connection has lid (503) on water inlet (502) simultaneously, be provided with outlet pipe (504) in the middle of transparent water tank (501) lower extreme, and outlet pipe (504) run through support (4) and violently manage (506) and be connected, install water pump (505) on outlet pipe (504), violently manage (506) bottom and be provided with sprinkler bead (507), and sprinkler bead (507) are provided with threely, and the position of sprinkler bead (507) is located shell body (1) top simultaneously.

3. Oil filled transformer with automatic cleaning function according to claim 1, characterized by: electric slide bar (6), electric slider (7) and cleaning brush (8) all are provided with two, and electric slide bar (6), electric slider (7) and cleaning brush (8) are the symmetry setting about shell casing (1), the brush head and the laminating of shell casing (1) outer wall of cleaning brush (8).

4. Oil filled transformer with automatic cleaning function according to claim 1, characterized by: the baffle (11) is positioned above the inner shell housing (19).

5. Oil filled transformer with automatic cleaning function according to claim 1, characterized by: elevating system (14) include loading board (1401), slider (1402), draw-in groove (1403), electric telescopic handle (1404) and spring (1405), the loading board (1401) left and right sides is provided with slider (1402), and two slider (1402) are sliding connection with spout (13), draw-in groove (1403) have been seted up to loading board (1401) upper end, and draw-in groove (1403) are provided with two, equal fixedly connected with electric telescopic handle (1404) in both ends about loading board (1401) bottom, and the bottom and shell casing (1) inner wall bottom of electric telescopic handle (1404) are connected, spring (1405) have been cup jointed on the surface of electric telescopic handle (1404), and the top and the bottom of spring (1405) are connected with loading board (1401) lower extreme and shell casing (1) inner wall bottom respectively.

6. Oil filled transformer with automatic cleaning function according to claim 5, characterized by: the bearing plate (1401) and the electric telescopic rod (1404) form a lifting structure.

7. Oil filled transformer with automatic cleaning function according to claim 1, characterized by: the number of the clamping blocks (20) is two, the size of each clamping block (20) is the same as that of each clamping groove (1403), and the positions of the clamping blocks (20) correspond to those of the clamping grooves (1403).