CN112927891B

CN112927891B - Air-cooled dry-type transformer

Info

Publication number: CN112927891B
Application number: CN202110102581.XA
Authority: CN
Inventors: 杨泽涛
Original assignee: Zhejiang Yilanke Power Electronics Technology Co ltd
Current assignee: Zhejiang Yilanke Power Electronics Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-05-03
Anticipated expiration: 2041-04-30
Also published as: CN112927891A

Abstract

The invention relates to the technical field of transformers, in particular to an air-cooled dry-type transformer which comprises a shell, wherein mounting brackets are fixedly mounted at the bottom ends of two sides of the shell, a transformer main body is arranged in the shell, mounting plates are fixedly connected to the upper end and the lower end of the transformer main body, one side, away from the transformer main body, of each mounting plate is fixedly mounted in the shell, a water cooling tank is fixedly mounted at the bottom end of the shell, a plurality of air inlet pipes are transversely and fixedly mounted at the left side of the shell, an exhaust pipe is fixedly mounted at the right side of the shell, one end, located outside the shell, of each exhaust pipe is fixedly mounted at the right upper side of the water cooling tank, a fixing plate is fixedly mounted on the inner top wall of the right side of the shell, a first shaft rod is fixedly mounted at the bottom end of the fixing plate, a turnover plate is fixedly mounted on the first shaft rod, and a first pull wire is fixedly mounted at the right side of the turnover plate. The air-cooled dry-type transformer has the advantages that the heat dissipation performance is good, the service life of the transformer main body is prolonged, the transformer main body can be recycled, and the effect of mutual matching is achieved.

Description

Air-cooled dry-type transformer

Technical Field

The invention relates to the technical field of transformers, in particular to an air-cooled dry-type transformer.

Background

The transformer is a static electric equipment for transforming AC voltage and current to transmit AC energy, and realizes the transmission of electric energy based on the principle of electromagnetic induction. The transformer can be classified into a power transformer, a test transformer, an instrument transformer and a transformer for special purposes.

The existing transformer has poor heat dissipation performance, the phenomenon that the transformer fails due to high temperature caused by the fact that heat dissipation is not in place can occur, and the service life of the transformer is shortened, so that the air-cooled dry-type transformer is designed.

Disclosure of Invention

In order to solve the technical problems, the invention provides an air-cooled dry-type transformer, which aims to solve the problems that the existing transformer is poor in heat dissipation performance, the transformer fails due to high temperature caused by insufficient heat dissipation, and the service life of the transformer is shortened.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an air-cooled dry-type transformer, includes the shell, the both sides bottom fixed mounting of shell has the installing support, and the inside of shell is provided with transformer main body, transformer main body's upper end and lower extreme fixedly connected with mounting panel, one side fixed mounting that transformer main body was kept away from to the mounting panel is inside the shell, and the bottom fixed mounting of shell has a water-cooling tank, and the horizontal fixed mounting in left side of shell has a plurality of air-supply lines, and the right side fixed mounting of shell has the blast pipe, the blast pipe is located the outside one end fixed mounting of shell at the upper right side of water-cooling tank, and roof fixed mounting has the fixed plate in the shell right side, the bottom fixed mounting of fixed plate has first axostylus axostyle, fixed mounting has the returning face plate on the first axostylus axostyle, the right side fixed mounting of returning face plate has first acting as go-between.

Preferably, the blast pipe has one-way admission valve in a port fixed mounting of shell inside, and the import department slope of blast pipe is provided with the pressure plate, and the bottom of pressure plate passes through-hole fixed mounting and has the second axostylus axostyle, and second axostylus axostyle fixed mounting in the blast pipe, and the upper end fixed mounting of pressure plate has first acting as go-between, and the inside fixed mounting of blast pipe has the exhaust fan to be located the right side of pressure plate.

Preferably, the air-supply line has a U type pipe at the one end fixed mounting of shell inside, and the right side fixed mounting of U type pipe has the air inlet cover, and the air inlet cover has the installation frame with the inside vertical fixed mounting of U type pipe junction, and fixed mounting has the third shaft pole on the installation frame, and horizontal fixed mounting has the fly leaf on the third shaft pole, and the right side bottom fixed mounting of fly leaf has first spring, and the one end slope fixed mounting that the fly leaf was kept away from to first spring is on the installation frame, and the right-hand member fixed mounting of fly leaf has the second to act as go-between, and the left side inner bottom wall of shell has first guide pulley through dead lever fixed mounting, and the right side inner bottom wall of shell has the second guide pulley through dead lever fixed mounting, and around being equipped with the second on first guide pulley and the second guide pulley and act as go-between.

Preferably, the exit fixed mounting of air-supply line has the dust removal net, and the inside fixed mounting of air-supply line has a plurality of guide plates, and the guide plate is the setting of staggering each other, and the inside wind of air-supply line is the zigzag and flows, and be provided with the pipe in the water on the diapire of air-supply line, and the one end setting of pipe in the water is between the guide plate, and the other end setting of pipe in the water is in U type pipe, and fixed mounting is to the swash plate that pipe in the water department slope set up between the guide plate, and the bottom fixed mounting of U type pipe has the outlet pipe, and the other end of outlet pipe runs through in the upper left side of shell fixed mounting at the water-cooling case.

Preferably, the right side inner wall fixed mounting of shell has a spacing section of thick bamboo, and the interior diapire fixed mounting of a spacing section of thick bamboo has the heat-conducting plate, and the upper end of heat-conducting plate is provided with the gasbag, and the inside of gasbag is provided with the floater, and fixedly connected with second stay wire on the floater, and the both sides inner wall of a spacing section of thick bamboo has seted up the spout, and the upper end of gasbag is provided with the lifter plate, and the both sides fixedly connected with slider of lifter plate, and the lifter plate passes through slider and spout constitution sliding construction, and the upper end middle part fixed mounting of lifter plate has the movable rod, and the upper end both sides fixed mounting of lifter plate has the second spring, and the one end fixed mounting that the lifter plate was kept away from to the second spring is at the inner wall of a spacing section of thick bamboo, and the upper end fixed mounting of spacing section of thick bamboo has fixed cover, and the movable rod keeps away from the one end of lifter plate and passes the left end of fixed cover fixed mounting at the returning face plate.

Preferably, the inside of water-cooling tank is provided with the cooling water, and the inside of water-cooling tank is provided with the water-cooling pipe, and the part that the water-cooling pipe set up in the cooling water is snakelike, and a port fixed connection of water-cooling pipe is at the blast pipe, and another port setting of water-cooling pipe is in the shell, and the port department fixed mounting that the water-cooling pipe is located the shell has one-way air outlet valve, and fixed mounting has cooling resistor to be located the cooling water in the water-cooling tank.

The invention provides an air-cooled dry-type transformer, which has the following beneficial effects:

1. this forced air cooling dry-type transformer, through the air-supply line that sets up, U type pipe, dust removal net, guide plate, swash plate, pipe in the water and the use of mutually supporting of going out the fan housing, make it dehumidify the dust removal to the wind that gets into the transformer main part, ensure that the transformer main part can not cause the short circuit because steam, dust, do not basically need manual operation, practiced thrift a large amount of funds for enterprise, company.

2. This air-cooled dry-type transformer, through the blast pipe that sets up, the water-cooling case, the fixed plate, first axostylus axostyle, the returning face plate, first acting line, first guide pulley, one-way air outlet valve, the second guide pulley, the second acting line, the pressure plate, the second axostylus axostyle, the exhaust fan, one-way admission valve, the fly leaf, the third axostylus axostyle, first spring, spacing section of thick bamboo, the second spring, the movable rod, the lifter plate, the gasbag, the floater, the heat-conducting plate, the mutually supporting of water-cooling pipe and cooling water uses, carry out the efficient cooling to the transformer main part when making it carry out the inner loop to the air in the shell, reach radiating effect, heat dispersion is good, the life of the transformer main part of extension.

Drawings

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

Fig. 2 is a schematic structural view of a front cross section of the present invention.

Fig. 3 is an enlarged schematic view of the structure of fig. 2.

Fig. 4 is an enlarged schematic structural view of the invention at B in fig. 2.

FIG. 5 is a schematic view of the structure of the air inlet duct and the U-shaped duct according to the present invention.

Fig. 6 is a schematic structural view of the limiting cylinder of the present invention.

Fig. 7 is a schematic structural diagram of the water cooling tank of the invention.

In fig. 1 to 7, the correspondence between the component names and the reference numbers is: 1-shell, 2-mounting bracket, 3-air inlet pipe, 4-exhaust pipe, 5-water cooling tank, 6-water outlet pipe, 7-mounting plate, 8-transformer body, 9-fixing plate, 10-first shaft lever, 11-turnover plate, 12-first pull wire, 13-U-shaped pipe, 14-first guide wheel, 15-one-way air outlet valve, 16-second guide wheel, 17-second pull wire, 18-pressure plate, 19-second shaft lever, 20-exhaust fan, 21-one-way air inlet valve, 22-air outlet cover, 23-mounting frame, 24-movable plate, 25-third shaft lever, 26-first spring, 27-dust removing net, 28-guide plate, 29-inclined plate, 30-water falling pipe, 31-limiting cylinder, 32-a fixed sleeve, 33-a second spring, 34-a movable rod, 35-a chute, 36-a lifting plate, 37-a sliding block, 38-an air bag, 39-a floating ball, 40-a heat conducting plate, 41-a water-cooling tube and 42-cooling water.

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, rather than all embodiments, and based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 7, an air-cooled dry-type transformer in an embodiment of the present invention includes a housing 1, mounting brackets 2 are fixedly mounted at bottom ends of two sides of the housing 1, a transformer main body 8 is disposed inside the housing 1, mounting plates 7 are fixedly connected to an upper end and a lower end of the transformer main body 8, one side of the mounting plate 7 away from the transformer main body is fixedly mounted inside the housing 1, a water cooling tank 5 is fixedly mounted at the bottom end of the housing 1, a plurality of air inlet pipes 3 are transversely and fixedly mounted at a left side of the housing 1, an exhaust pipe 4 is fixedly mounted at a right side of the housing 1, one end of the exhaust pipe 4 located outside the housing is fixedly mounted at a right upper side of the water cooling tank 5, a fixing plate 9 is fixedly mounted at a top wall of a right side of the housing 1, a first shaft 10 is fixedly mounted at a bottom end of the fixing plate 9, a turnover plate 11 is fixedly mounted on the first shaft 10, and a first pull wire 12 is fixedly mounted at a right side of the turnover plate 11.

In this embodiment, a one-way air inlet valve 21 is fixedly installed at an end opening of the exhaust pipe 4 inside the housing 1, a pressure plate 18 is obliquely arranged at an inlet of the exhaust pipe 4, a second shaft rod 19 is fixedly installed at the bottom end of the pressure plate 18 through a through hole, the second shaft rod 19 is fixedly installed in the exhaust pipe 4, a first pull wire 12 is fixedly installed at the upper end of the pressure plate 18, and an exhaust fan 20 is fixedly installed inside the exhaust pipe 4 and located on the right side of the pressure plate 18, so that a large amount of hot air inside the housing is exhausted, and the cooling effect is good.

In this embodiment, a U-shaped pipe 13 is fixedly installed at one end of the air inlet pipe 3 inside the housing 1, an air inlet cover 22 is fixedly installed on the right side of the U-shaped pipe 13, an installation frame 23 is vertically and fixedly installed inside a connection portion of the air inlet cover 22 and the U-shaped pipe 13, a third shaft 25 is fixedly installed on the installation frame 23, a movable plate 24 is transversely and fixedly installed on the third shaft 25, a first spring 26 is fixedly installed at the bottom end of the right side of the movable plate 24, one end, away from the movable plate, of the first spring 26 is obliquely and fixedly installed on the installation frame 23, a second pull wire 17 is fixedly installed at the right end of the movable plate 24, a first guide wheel 14 is fixedly installed on the inner bottom wall of the left side of the housing 1 through a fixing rod, a second guide wheel 16 is fixedly installed on the inner bottom wall of the right side of the housing 1 through a fixing rod, and the second pull wire 17 is wound on the first guide wheel 14 and the second guide wheel 16, so that the housing has a good heat dissipation effect.

In this embodiment, a dust removing net 27 is fixedly installed at an outlet of the air inlet pipe 3, a plurality of guide plates 28 are fixedly installed inside the air inlet pipe 3, the guide plates 28 are arranged in a staggered manner, air inside the air inlet pipe 3 flows in a zigzag manner, a downpipe 30 is arranged on a bottom wall of the air inlet pipe 3, one end of the downpipe 30 is arranged between the guide plates 28, the other end of the downpipe 30 is arranged in the U-shaped pipe 13, an inclined plate 29 which is obliquely arranged towards the downpipe 30 is fixedly installed between the guide plates 28, a water outlet pipe 6 is fixedly installed at the bottom end of the U-shaped pipe 13, and the other end of the water outlet pipe 6 penetrates through the shell 1 and is fixedly installed at the upper left side of the water cooling tank 5, so that the air entering the transformer main body 8 is dehumidified and dedusted, and the transformer main body 8 is ensured not to cause short circuit due to water vapor and dust.

In this embodiment, a limiting cylinder 31 is fixedly mounted on the inner wall of the right side of the housing 1, a heat conducting plate 40 is fixedly mounted on the inner bottom wall of the limiting cylinder 31, an air bag 38 is disposed at the upper end of the heat conducting plate 40, a floating ball 39 is disposed inside the air bag 38, a second pull wire 17 is fixedly connected to the floating ball 39, sliding grooves 35 are formed in the inner walls of the two sides of the limiting cylinder 31, a lifting plate 36 is disposed at the upper end of the air bag 38, sliding blocks 37 are fixedly connected to the two sides of the lifting plate 36, the lifting plate 36 and the sliding grooves 35 form a sliding structure through the sliding blocks 37, a movable rod 34 is fixedly mounted in the middle of the upper end of the lifting plate 36, second springs 33 are fixedly mounted on the two sides of the upper end of the lifting plate 36, one end of each second spring 33, which is far away from the lifting plate 36, is fixedly mounted on the inner wall of the limiting cylinder 31, a fixed sleeve 32 is fixedly mounted on the upper end of the turnover plate 11 through the fixed sleeve 32, one end of the movable rod 34, which is far away from the lifting plate 36, the radiating effect of the transformer main body 8 is improved, and the service life of the transformer main body 8 is prolonged.

In this embodiment, the inside of the water cooling box 5 is provided with the cooling water 42, the inside of the water cooling box 5 is provided with the water cooling tube 41, the part of the water cooling tube 41 arranged in the cooling water 42 is serpentine, one port of the water cooling tube 41 is fixedly connected to the exhaust pipe 4, the other port of the water cooling tube 41 is arranged in the housing 1, the port of the water cooling tube 41 arranged in the housing 1 is fixedly provided with the one-way air outlet valve 15, and the cooling resistor arranged in the water cooling box 5 is positioned in the cooling water 42, so that the water cooling tube can be recycled, and the mutually matched effect is achieved.

The working principle is as follows: when the air cooling device is used, when outside air enters the inner cavity of the shell 1 through the air inlet pipe 3, airflow flows in a Z shape in the air inlet pipe 3, the airflow flows into the U-shaped pipe 13 and circulates through a long pipeline, a large amount of water vapor contained in the airflow is left at the bottom end of the U-shaped pipe 13, then the water is discharged into the water cooling box 5 through the water outlet pipe 6, the airflow is blown to the transformer main body 8 through the air outlet cover 22, and the transformer main body 8 is cooled; when a large amount of heat is generated in the operation process of the transformer main body 8, at this time, when the external air cannot achieve the cooling effect, at this time, a large amount of heat is transferred to the air bag 38 through the heat conducting plate 40, the air bag 38 expands due to the heat, the air bag 38 pushes the lifting plate 36 to rise when swelling, the lifting plate 36 drives the left end of the turnover plate 11 to rise through the movable rod 34, then the right end of the turnover plate 11 drives the first pull wire 12 to fall, the pressure plate 18 falls when the first pull wire 12 is loosened, the air with heat in the casing 1 is discharged into the exhaust pipe 4 through the exhaust fan 20, the air flows into the water cooling pipe 41 through the other end of the exhaust pipe 4, the water cooling pipe 41 cools rapidly in the cooling water 42, the air flowing in the casing is cooled through the outlet of the water cooling pipe 41, and the floating ball 39 also rises when the air bag 38 expands, the second pulling wire 17 is driven to ascend in the ascending process of the floating ball 39, at this time, the second pulling wire 17 drives the movable plate 24 to move, so that the movable plate 24 moves to the air outlet of the inclined closed U-shaped tube 13, the air in the shell 1 can be subjected to inner circulation, meanwhile, the transformer main body 8 can be efficiently cooled, and the service life of the transformer main body 8 is prolonged.

The above is the embodiment of the present invention. The embodiments and specific parameters thereof are only for the purpose of clearly illustrating the process of verifying the invention and are not intended to limit the scope of the invention, which is defined by the appended claims, and all equivalent structural changes made by applying the contents of the specification and the drawings shall be embraced by the scope of the invention.

Claims

1. An air-cooled dry-type transformer, including shell (1), its characterized in that: the transformer comprises a shell (1), mounting supports (2) are fixedly mounted at the bottom ends of two sides of the shell (1), a transformer main body (8) is arranged inside the shell (1), a mounting plate (7) is fixedly connected to the upper end and the lower end of the transformer main body (8), one side, far away from the transformer main body, of the mounting plate (7) is fixedly mounted inside the shell (1), a water cooling tank (5) is fixedly mounted at the bottom end of the shell (1), a plurality of air inlet pipes (3) are transversely and fixedly mounted at the left side of the shell (1), an exhaust pipe (4) is fixedly mounted at the right side of the shell (1), one end, located outside the shell, of the exhaust pipe (4) is fixedly mounted at the upper right side of the water cooling tank (5), a fixing plate (9) is fixedly mounted at the inner top wall of the right side of the shell (1), a first shaft lever (10) is fixedly mounted at the bottom end of the fixing plate (9), and a turnover plate (11) is fixedly mounted on the first shaft lever (10), a first pull wire (12) is fixedly arranged on the right side of the turnover plate (11);

a one-way air inlet valve (21) is fixedly mounted at one port of the exhaust pipe (4) in the shell (1), a pressure plate (18) is obliquely arranged at an inlet of the exhaust pipe (4), a second shaft lever (19) is fixedly mounted at the bottom end of the pressure plate (18) through a through hole, the second shaft lever (19) is fixedly mounted in the exhaust pipe (4), a first pull wire (12) is fixedly mounted at the upper end of the pressure plate (18), and an exhaust fan (20) is fixedly mounted in the exhaust pipe (4) and positioned on the right side of the pressure plate (18);

the air inlet pipe (3) is fixedly provided with a U-shaped pipe (13) at one end inside the shell (1), the right side of the U-shaped pipe (13) is fixedly provided with an air inlet cover (22), an installation frame (23) is vertically and fixedly arranged inside the connection part of the air inlet cover (22) and the U-shaped pipe (13), a third shaft lever (25) is fixedly arranged on the installation frame (23), a movable plate (24) is transversely and fixedly arranged on the third shaft lever (25), a first spring (26) is fixedly arranged at the bottom end of the right side of the movable plate (24), one end, far away from the movable plate, of the first spring (26) is obliquely and fixedly arranged on the installation frame (23), a second pull wire (17) is fixedly arranged at the right end of the movable plate (24), a first guide wheel (14) is fixedly arranged on the inner bottom wall of the left side of the shell (1) through a fixed rod, and a second guide wheel (16) is fixedly arranged on the inner bottom wall of the right side of the shell (1) through a fixed rod, a second pull wire (17) is wound on the first guide wheel (14) and the second guide wheel (16);

a limiting barrel (31) is fixedly mounted on the inner wall of the right side of the shell (1), a heat conducting plate (40) is fixedly mounted on the inner bottom wall of the limiting barrel (31), an air bag (38) is arranged at the upper end of the heat conducting plate (40), a floating ball (39) is arranged inside the air bag (38), a second pull wire (17) is fixedly connected onto the floating ball (39), sliding grooves (35) are formed in the inner walls of the two sides of the limiting barrel (31), a lifting plate (36) is arranged at the upper end of the air bag (38), sliding blocks (37) are fixedly connected to the two sides of the lifting plate (36), the lifting plate (36) forms a sliding structure with the sliding grooves (35) through the sliding blocks (37), a movable rod (34) is fixedly mounted in the middle of the upper end of the lifting plate (36), second springs (33) are fixedly mounted on the two sides of the upper end of the lifting plate (36), and one end, far away from the lifting plate (36), of the second springs (33) is fixedly mounted on the inner wall of the limiting barrel (31), a fixed sleeve (32) is fixedly arranged at the upper end of the limiting cylinder (31), and one end of the movable rod (34) far away from the lifting plate (36) penetrates through the fixed sleeve (32) to be fixedly arranged at the left end of the turnover plate (11);

the inside of water-cooling box (5) is provided with cooling water (42), and the inside of water-cooling box (5) is provided with water-cooling tube (41), and the part that water-cooling tube (41) set up in cooling water (42) is snakelike, and a port fixed connection of water-cooling tube (41) is in blast pipe (4), and another port setting of water-cooling tube (41) is in shell (1), and port department fixed mounting that water-cooling tube (41) are located shell (1) has one-way air outlet valve (15), and fixed mounting has cooling resistor to be located cooling water (42) in water-cooling box (5).

2. An air-cooled dry transformer as claimed in claim 1 wherein: the exit fixed mounting of air-supply line (3) has dust removal net (27), and the inside fixed mounting of air-supply line (3) has a plurality of guide plates (28), and guide plate (28) are the setting of staggering each other, and the inside wind of air-supply line (3) is the zigzag and flows, and be provided with pipe in the water (30) on the diapire of air-supply line (3), and the one end setting of pipe in the water (30) is between guide plate (28), and the other end setting of pipe in the water (30) is in U type pipe (13), and fixed mounting is to swash plate (29) that pipe in the water (30) department slope set up between guide plate (28), and the bottom fixed mounting of U type pipe (13) has outlet pipe (6), and the other end of outlet pipe (6) runs through in the upper left side of shell (1) fixed mounting in water-cooling box (5).