CN116504493B

CN116504493B - Transformer protection device

Info

Publication number: CN116504493B
Application number: CN202310754084.7A
Authority: CN
Inventors: 边杰; 郑耀廷; 王绍源; 闫龙; 魏星
Original assignee: Shanxi Jida Electric Ltd By Share Ltd
Current assignee: Shanxi Jida Electric Ltd By Share Ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-09-08
Anticipated expiration: 2043-06-26
Also published as: CN116504493A

Abstract

The application discloses a transformer protection device, which belongs to the technical field of transformers and comprises a box body, wherein a top cover is arranged at the top end of the box body, storage grooves are formed in the opposite side walls of the box body, through holes are formed in the inner walls of the storage grooves, a rotating rod is rotationally arranged in the storage grooves, a baffle plate is fixedly sleeved on the rotating rod, the baffle plate is rotationally connected with the storage grooves, and a sensor is arranged on the outer side wall of the baffle plate; a driving component for driving the rotating rod to rotate is arranged in the box body; a plurality of drying sheets are arranged in the box body. The application has the effect of reducing the possibility of short circuit of the transformer caused by rainwater or moist air.

Description

Transformer protection device

Technical Field

The application relates to the technical field of transformers, in particular to a transformer protection device.

Background

The transformer is basic equipment for power transmission and distribution, is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like, and can be widely applied to the fields of industry, agriculture, traffic, urban communities and the like.

The transformer is usually installed outdoors in the open air, and because the long-term windy and sunny that is full of, the internal component is more easily ageing, especially under the influence of bad weather, very easily causes the irreparable damage of transformer, consequently, need install protection device in the transformer outside to the life of extension transformer.

The existing transformer protection device comprises a box body, vent holes are formed in two side faces of the box body, and fans are arranged near the vent holes in the inner portion of the box body.

In the event of rain, rain water or moist air may enter the interior of the transformer guard from vents in the transformer guard, which may cause a short circuit in the transformer.

Disclosure of Invention

In order to reduce the possibility of short circuit of the transformer caused by rainwater or moist air, the application provides a transformer protection device.

The transformer protection device provided by the application adopts the following technical scheme:

the transformer protection device comprises a box body, wherein a top cover is arranged at the top end of the box body, storage grooves are formed in the opposite side walls of the box body, through holes are formed in the inner walls of the storage grooves, rotating rods are arranged in the storage grooves in a rotating mode, baffle plates are fixedly sleeved on the rotating rods and connected to the storage grooves in a rotating mode, and sensors are arranged on the outer side walls of the baffle plates; a driving component for driving the rotating rod to rotate is arranged in the box body; a plurality of drying sheets are arranged in the box body.

By adopting the technical scheme, when the rain is not falling, the sensor on the blocking door transmits weather signals to the driving assembly, the driving assembly drives the rotating rod to rotate until the blocking door is completely opened, and after the blocking door is opened, the air contact area inside and outside the box body is increased, and meanwhile, the air circulation is quickened, so that the heat dissipation of the transformer is facilitated; when raining, the sensor on the baffle plate transmits weather signals to the driving assembly, the driving assembly drives the rotating rod to rotate, and the rotating rod drives the baffle door to rotate, so that the baffle door closes the through hole, and the possibility that rainwater and moist air enter the box body from the through hole is reduced; the drying sheet in the box body can absorb air moisture in the box body, and then the air in the box body can be dehumidified, so that the possibility of short circuit of a circuit in the transformer is reduced.

Preferably, the gauze is arranged at the through hole, a frame is fixedly arranged on the gauze, a limiting block is fixedly arranged on the inner wall of the through hole, and the frame is abutted to the limiting block.

Through adopting above-mentioned technical scheme, when the baffle was opened, the gauze can block that the flying bird got into the box to reduce the possibility that the transformer damaged.

Preferably, a handle is fixedly arranged on the frame.

Through adopting above-mentioned technical scheme, when the gauze uses for a long time, after the quality decline, the staff pulls the handle on the frame and is convenient for pull out the gauze from the through-hole, changes new gauze.

Preferably, the box body is internally provided with a rotating groove, the driving assembly comprises a turbine, a worm and a motor, the motor is fixedly installed on the inner wall of the rotating groove, the turbine is fixedly sleeved on the rotating rod, the worm is fixedly connected to a rotating shaft of the motor, and the turbine is matched with the worm.

By adopting the technical scheme, after the sensor transmits signals of a rainy day to the motor, the motor rotates to drive the worm to rotate, the worm rotates to drive the turbine to rotate, the turbine rotates to drive the rotating rod to rotate, and the rotating rod can drive the barrier door to rotate to be closed; and when the sensor receives a signal of clear weather, the motor is twisted to drive the barrier door to open.

Preferably, a storage tube is fixedly arranged on the inner wall of the box body, and a plurality of drying sheets are placed in the storage tube; a first spring and a push plate are arranged at one end in the storage tube, one end of the first spring is abutted against the push plate, the other end of the first spring is fixedly connected with the inner wall of the storage tube, the push plate is slidably connected with the inner wall of the storage tube, the push plate is abutted against the drying sheet, and a sealing plug is arranged at one end, far away from the first spring, of the storage tube; the opposite side walls of the storage tube are respectively provided with a pushing port and an output port, and a first hinged door is hinged at the output port;

a storage table is arranged in the box body, the drying sheet is placed on the storage table, and a pushing assembly for driving the drying sheet to move from the storage tube to the storage table is arranged at the pushing port;

the drying device is characterized in that a recovery box and a collecting assembly are arranged in the box body, and the collecting assembly is used for collecting the used drying sheets.

By adopting the technical scheme, when the rain barrier door is closed, moist air enters the box body, after the barrier plate is closed, the used drying sheets on the storage table enter the recovery box under the action of the collecting assembly, and new drying sheets in the storage tube move from the storage tube to the storage table under the action of the pushing assembly, so that the air in the box body is dehumidified; the drying sheet in the storage tube is reduced in contact with air under the action of the first hinged door and the sealing plug, and the quality of the drying sheet in the storage tube is maintained.

Preferably, a groove is formed in the storage table, and the drying sheet is inserted into the groove.

Through adopting above-mentioned technical scheme, in the dry piece inserts the recess, the dry piece is vertical to be placed, can increase dry piece and the area of contact of air to improve dry piece dehumidification's efficiency.

Preferably, the pushing assembly comprises a pushing rod, a pushing plate and a plurality of guide ropes; one end of the pushing rod penetrates through the storage groove and slides to the storage groove, and the baffle plate is abutted to the pushing rod; one end of the pushing rod, which is far away from the baffle plate, slides in the box body; the pushing plate slides in the storage tube and passes through the pushing port, and is abutted against the drying sheet;

a first inclined plane is arranged at one end of the pushing rod, which is far away from the baffle plate, and a second inclined plane is arranged at one end of the pushing plate, which is close to the pushing rod; the pushing rod and the pushing plate are abutted against each other through the first inclined plane and the second inclined plane; a reset component for resetting the pushing plate is arranged in the storage tube;

the output port is provided with a first hinge rod, two ends of the first hinge rod are respectively rotated on the opposite inner walls of the output port, the first hinge door is fixedly sleeved on the first hinge rod, and the first hinge rod is sleeved with a torsion spring; one end torsion arm of the torsion spring is fixedly connected to the first hinged door, and the other end torsion arm of the torsion spring is fixedly connected to the inner wall of the output port;

one end of the guide rope is fixedly connected with the storage pipe, the other end of the guide rope is fixedly connected with the storage table, and the drying sheet is slidably connected with the guide rope.

By adopting the technical scheme, when the baffle plate is in an open state, the pushing plate is positioned at the pushing port under the action of the resetting piece, the pushing plate is abutted against the pushing rod, and the pushing rod is positioned in the storage groove; when the baffle plate is closed, the baffle plate is abutted to and pushes the pushing rod to move towards the box body, the pushing rod pushes the pushing plate to move through the first inclined plane and the second inclined plane, the pushing plate moves to push the drying sheet to move, the drying sheet moves to push the first hinged door to open, and under the action of the guide rope, the drying sheet falls into the groove of the storage table along the guide rope; when the drying sheet is far away from the first hinged door, the first hinged door is closed under the action of the torsion spring, so that the drying sheet in the storage tube is stored.

Preferably, the inner wall of the groove is rotatably connected with a second hinge rod, two ends of the second hinge rod are respectively rotatably connected with the opposite inner walls of the groove, a second hinge door is fixedly sleeved on the second hinge rod, and the recovery box is positioned below the storage table;

the collection assembly includes a first sprocket, a second sprocket, and a chain; the first chain wheel is fixedly sleeved on the first hinging rod; the second chain wheel is fixedly sleeved on the second hinging rod, and the chain is respectively wound on the first chain wheel and the second chain wheel.

Through adopting above-mentioned technical scheme, when first hinged door was opened, first hinged lever took place to rotate, and first hinged lever rotates and drives first sprocket and rotate, under the transmission of chain, and first sprocket rotates and drives the second sprocket and rotate, and the second sprocket rotates and drives the second hinged lever and rotate, and the second hinged door is opened to deposit the dry piece on the platform and drop to the collection box from second hinged door.

Preferably, a reset groove is formed in the inner wall of the storage tube, and the reset groove is communicated with the storage tube; the reset assembly comprises a reset spring and a reset block, wherein the reset block is fixedly connected to the side wall of the pushing plate, the reset block slides in the reset groove, one end of the reset spring is fixedly connected to the reset block, and the other end of the reset spring is fixedly connected to the inner wall of the reset groove.

By adopting the technical scheme, when the pushing plate moves into the storage tube under the pushing of the pushing rod, the pushing plate compresses the return spring; when the blocking door is opened, the pushing plate moves outside the storage tube under the elasticity of the reset spring, and the pushing plate moves to push the pushing rod to move towards the rotating groove; when the pushing plate is positioned at the pushing port, the drying sheet in the storage tube moves under the elastic force of the first spring, and one drying sheet is opposite to the pushing port, so that the drying sheet on the storage table can be replaced conveniently next time.

Preferably, a plurality of ventilation holes are formed in the bottom of the box body.

Through adopting above-mentioned technical scheme, when the baffle plate was closed, ventilation hole can increase the contact of transformer yographic outside air, and then reduces the temperature of transformer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the weather is not rainy, the sensor on the barrier door transmits weather signals to the driving assembly, the driving assembly drives the rotating rod to rotate until the barrier door is completely opened, the barrier door is opened, the air contact area inside and outside the box body is increased, and meanwhile, the air circulation is quickened, so that the heat dissipation of the transformer is facilitated; when raining, the sensor on the baffle plate transmits signals to the driving assembly, the driving assembly drives the rotating rod to rotate, and the rotating rod drives the baffle door to rotate, so that the baffle door closes the through hole, and the possibility that rainwater and moist air enter the box body from the through hole is reduced; the drying sheet in the box body can absorb the moisture of the air in the box body, so that the air in the box body can be dehumidified, and the possibility of short circuit of a circuit in the transformer is reduced;

2. when the baffle plate is opened, the gauze can prevent flying birds from entering the box body, so that the possibility of damage to the transformer is reduced;

3. when first hinged door is opened, first articulated lever takes place to rotate, and first articulated lever rotates and drives first sprocket and rotate, and under the transmission of chain, first sprocket rotates and drives the second sprocket and rotate, and the second sprocket rotates and drives the second articulated lever and rotate, and the second hinged door is opened to deposit the dry piece on the bench and drop to the collection box from second hinged door.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a transformer protection device.

Fig. 2 is a schematic view of a protruding screen structure in an embodiment of the application.

Fig. 3 is a schematic view of a protruding storage tube structure in an embodiment of the present application.

Fig. 4 is a schematic view showing a structure of a protruding motor in the embodiment of the present application.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a schematic view of a protruding pushing plate structure in an embodiment of the application.

Fig. 7 is an enlarged view at B in fig. 6.

Reference numerals:

1. a case; 2. a top cover; 3. a through hole; 4. a storage tank; 5. a rotating rod; 6. a baffle plate; 7. a rotating groove; 8. a sensor; 9. a drive assembly; 10. drying the sheet; 11. a gauze; 12. a frame; 13. a limiting block; 14. a transformer; 15. a handle; 16. a turbine; 17. a worm; 18. a motor; 19. a storage tube; 20. a first spring; 21. a push plate; 22. pushing the port; 23. an output port; 24. a first hinged door; 25. a sealing plug; 26. a storage table; 27. a pushing assembly; 28. a recovery box; 29. a collection assembly; 30. a groove; 31. a push rod; 32. a pushing plate; 33. a guide rope; 34. a first inclined surface; 35. a second inclined surface; 36. a return spring; 37. a reset groove; 38. a first hinge lever; 39. a torsion spring; 40. a second hinge lever; 41. a second hinged door; 42. a first sprocket; 43. a second sprocket; 44. a chain; 45. a vent hole; 46. a reset block; 47. and resetting the assembly.

Detailed Description

The application is described in further detail below with reference to fig. 1-7.

The embodiment of the application discloses a transformer 14 protection device, which is shown in fig. 1, and comprises a box body 1, wherein the box body 1 is square, a top cover 2 is arranged at the top end of the box body 1, and the cross section of the top cover 2 is triangular, so that drainage in rainy days is facilitated; the storage tank 4 has all been seted up to the relative lateral wall of box 1, and storage tank 4 is square, and through-hole 3 has been seted up along the horizontal direction to storage tank 4 inner wall, and storage tank 4 department internal rotation is connected with baffle 6, and baffle 6 is the cuboid form, fixedly mounted has sensor 8 on baffle 6 lateral wall.

As shown in fig. 2 and 3, a storage tube 19 is fixedly welded on the inner wall of the box body 1, the storage tube 19 is in a cuboid shape, a plurality of drying sheets 10 are installed in the storage tube 19, the drying sheets 10 are in a cuboid shape, a first spring 20 and a push plate 21 are arranged at one end in the storage tube 19, and a sealing plug 25 is plugged at the other end of the storage tube 19; the push plate 21 is in a cuboid shape, and the push plate 21 is connected to the inner wall of the storage tube 19 in a sliding manner along the horizontal direction; the first spring 20 is horizontally arranged, and two ends of the first spring 20 are fixedly welded on the side wall of the push plate 21 and the inner wall of the storage tube 19 respectively.

As shown in fig. 2 and 3, a storage table 26 is arranged below the storage tube 19 in the box 1, the storage table 26 is in a cuboid shape, the storage table 26 is fixedly welded on the inner wall of the box 1, a groove 30 is formed in the upper end surface of the storage table 26 along the vertical direction, the drying sheet 10 can be vertically inserted into the groove 30, the contact area between the drying sheet and air is increased, and the dehumidification efficiency is further increased; a pushing assembly 27 for driving the drying sheet 10 to move from the storage tube 19 to the storage table 26 is arranged in the box body 1; the recovery box 28 is placed on the inner wall of the bottom end of the box, the recovery box 28 is in a cuboid shape, the upper end face of the recovery box 28 is provided with a collecting opening, and a collecting assembly 29 capable of collecting the used drying sheets 10 to the recovery box 28 is arranged in the box body 1.

As shown in fig. 4 and 5, the rotating rod 5 is rotatably arranged at the top of the storage tank 4, the rotating rod 5 is in a cylindrical shape, the axial lead of the rotating rod 5 is arranged along the horizontal direction, two ends of the rotating rod 5 are respectively rotatably connected to the opposite inner walls of the storage tank 4, and the baffle plate 6 is fixedly sleeved on the side wall of the periphery of the rotating rod 5; a driving component 9 for driving the rotating rod 5 to rotate is arranged in the box body 1.

As shown in fig. 4 and 5, the driving assembly 9 comprises a motor 18, two turbines 16 and two worms 17, the motor 18 is a double-shaft motor 18, a rotating groove 7 is formed in the box body 1, and the motor 18 is arranged in the rotating groove 7; the two turbines 16 are respectively fixedly sleeved on the two rotating rods 5, the two worms 17 are respectively fixedly welded on the two rotating shafts of the motor 18, the turbines 16 are matched with the worms 17, and the sensor 8 is connected with the motor 18 through electric signals.

As shown in fig. 1 and 4, when the weather is not raining, the barrier plate 6 is in an open state, so that the ventilation inside and outside the case 1 can be increased, and the heat dissipation of the transformer 14 is facilitated. When it rains, the sensor 8 transmits a rainy signal to the motor 18, and the motor 18 is then started.

As shown in fig. 4 and 5, the motor 18 rotates to drive the worm 17 to rotate, the worm 17 rotates to drive the turbine 16 to rotate, the turbine 16 rotates to drive the rotating rod 5 to rotate, and the rotating rod 5 can drive the blocking door to rotate to be closed; thereby reducing the possibility of rainwater and moist air entering the box body 1 from the through holes 3; when the sensor 8 receives a clear weather signal, the motor 18 drives the barrier plate 6 to open.

As shown in fig. 1 and 2, moisture entering the tank before the barrier plate 6 is closed can be absorbed by the drying sheet 10 on the storage table 26, and thus the air in the tank 1 can be dehumidified, thereby reducing the possibility of short-circuiting the circuit in the transformer 14.

As shown in fig. 3, the drying sheet 10 in the storage tube 19 is reduced in contact with air by the first hinge door 24 and the sealing plug 25, and the quality of the drying sheet 10 in the storage tube 19 is maintained. After the baffle plate 6 is closed, the used drying sheets 10 on the storage table 26 enter the recovery box 28 under the action of the collecting assembly 29, and new drying sheets 10 in the storage tube 19 move from the storage tube 19 to the storage table 26 under the action of the pushing assembly 27, so that the replacement of the drying sheets 10 is completed, and the dehumidifying effect in the box can be improved.

As shown in fig. 2, the lower end surface of the box body 1 is provided with a plurality of ventilation holes 45, and the ventilation holes 45 can increase the contact between the transformer 14 and the outside air, thereby being beneficial to heat dissipation of the transformer 14; the gauze 11 is installed to through-hole 3 department, the gauze 11 is rectangular, install frame 12 around rectangular gauze 11, all fixed welding has stopper 13 on the upper and lower relative inner wall of through-hole 3, stopper 13 is the cuboid form, stopper 13 and box 1 integrated into one piece, frame 12 butt is in spacing frame, frame 12 and stopper 13 all have magnetism, frame 12 and stopper 13 inhale mutually, can reduce the possibility that frame 12 removed, the gauze 11 is installed in through-hole 3 can reduce the bird and get into in the box 1, thereby destroy the possibility of transformer 14.

As shown in fig. 4, handles 15 are provided on both left and right sides of the frame 12, and a worker can pull out the gauze 11 from the through hole 3 through the handles 15 to replace the gauze 11 with a new one.

As shown in fig. 6 and 7, the upper and lower opposite side walls of the storage tube 19 are respectively provided with a pushing port 22 and an output port 23, the pushing port 22 and the output port 23 are rectangular, the pushing port 22 and the output port 23 are oppositely arranged, and a first hinged door 24 is hinged at the output port 23; the pushing assembly 27 comprises a pushing rod 31, a pushing plate 32 and a plurality of guide ropes 33, wherein the pushing rod 31 is in a cuboid shape, the pushing rod 31 penetrates through the inner wall of the top of the storage groove 4 along the horizontal direction, one end of the pushing rod 31 slides in the storage groove 4, the other end of the pushing rod 31 slides in the box body 1, and the baffle plate 6 is abutted against the pushing rod 31; the pushing plate 32 is rectangular, the pushing plate 32 passes through the pushing port 22 along the vertical direction and slides in the storage tube 19, and the lower end surface of the pushing plate 32 abuts against the upper end surface of the drying sheet 10.

As shown in fig. 6 and 7, the end of the push rod 31 near the push plate 32 is provided with a first inclined surface 34, the first inclined surface 34 is inclined from the upper end surface to the lower end surface of the push rod 31, and the distance from the first inclined surface 34 to the bottom wall of the case 1 gradually increases from left to right; the upper end surface of the pushing plate 32 is provided with a second inclined surface 35, the distance from the second inclined surface 35 to the bottom wall of the box body 1 gradually increases from left to right, and the pushing rod 31 and the pushing plate 32 are in abutting fit through the first inclined surface 34 and the second inclined surface 35; a reset assembly 47 is provided in the storage tube 19 for resetting the pusher plate 32.

As shown in fig. 7, the guide rope 33 is arranged along the vertical direction, the guide rope 33 is a nylon rope with a large friction coefficient, the top end of the guide rope 33 is fixedly connected to the lower end surface of the storage tube 19, the bottom end of the guide rope 33 is fixedly connected to the upper end surface of the storage table 26 and is positioned at the periphery of the groove 30, the drying sheet 10 is slidably connected to the guide rope 33, and the descending speed of the drying sheet 10 is reduced under the action of the friction force of the guide rope 33.

As shown in fig. 7, the inner wall of the storage tube 19 is provided with a reset groove 37 along the vertical direction, the reset groove 37 is communicated with the inner cavity of the storage tube 19, the reset assembly 47 comprises a reset spring 36 and a reset block 46, the reset block 46 is in a cuboid shape, the reset block 46 is fixedly connected to the side wall of the pushing plate 32, the reset block 46 slides in the reset groove 37 along the vertical direction, the reset spring 36 is arranged in the reset groove 37 in the vertical direction, the top end of the reset spring 36 is fixedly welded to the lower end face of the reset block 46, and the bottom end of the reset spring 36 is fixedly welded to the inner wall at the bottom of the reset groove 37.

As shown in fig. 7, the inner wall of the output port 23 is rotatably connected with a first hinge rod 38, the first hinge rod 38 is cylindrical, the axis of the first hinge rod 38 is arranged along the horizontal direction, and two ends of the first hinge rod 38 are respectively rotated on the opposite inner walls of the output port 23; the first hinged door 24 is fixedly sleeved on the peripheral side wall of the first hinged rod 38, and torsion springs 39 are respectively sleeved at two ends of the first hinged rod 38; one end torsion arm of the torsion spring 39 is fixedly welded in the first hinged door 24, and the other end torsion arm of the torsion spring 39 is fixedly welded on the inner wall of the output port 23.

As shown in fig. 7, the second hinge rod 40 is rotatably connected to the groove 30, the second hinge rod 40 is cylindrical, the axes of the second hinge rod 40 are arranged along the horizontal direction, two ends of the second hinge rod 40 are respectively rotatably connected to the opposite inner walls of the groove 30, the second hinge rod 40 is fixedly sleeved with the second hinge door 41, and the second hinge door 41 is rotatably arranged in the collecting hole.

As shown in fig. 7, the collection assembly 29 includes a first sprocket 42, a second sprocket 43, and a chain 44; the first sprocket 42 is fixedly sleeved on the first hinging rod 38; the second sprocket 43 is fixedly sleeved on the second hinge rod 40, and the chain 44 is respectively wound on the first sprocket 42 and the second sprocket 43.

As shown in fig. 6 and 7, when the barrier plate 6 is in the opened state, the push plate 32 is at the push port 22 under the elastic force of the return spring 36 and seals the push port 22, so that the possibility of the drying sheet 10 in the storage tube 19 coming into contact with air can be reduced. When the baffle plate 6 is closed, the side wall of the baffle plate 6 is abutted and pushes the push rod 31 to move into the box body 1, and under the action of the first inclined surface 34 and the second inclined surface 35, the push rod 31 moves to push the push plate 32 to move into the storage tube 19, and the push plate 32 moves to drive the reset block 46 to compress the reset spring 36. The pushing plate 32 moves to push the drying sheet 10 downward, so that the drying sheet 10 can push the first hinged door 24 to rotate, when the first hinged door 24 is opened against the elastic force of the torsion spring 39, the drying sheet 10 falls down under its own weight, and when the drying sheet 10 emerges from the storage tube 19, it is located between the plurality of guide ropes 33, the side wall of the drying sheet 10 is slidably connected to the guide ropes 33, and the drying sheet 10 is inserted into the groove 30 of the storage table 26 under the guide of the guide ropes 33.

As shown in fig. 7, when the first hinge door 24 is opened, the first hinge door 24 rotates to drive the first hinge rod 38 to rotate, the first hinge rod 38 rotates to drive the first sprocket 42 to rotate, the first sprocket 42 rotates to drive the second sprocket 43 to rotate, and the second sprocket 43 rotates to drive the second hinge rod 40 to rotate, so that the second hinge door 41 is opened, and the drying sheet 10 on the storage table 26 falls into the recovery box 28 from the second hinge door 41. When the drying sheet 10 just leaves the first hinge door 24, the first hinge door 24 is rotated to be closed under the action of the torsion spring 39, and the first hinge door 24 is closed to drive the second hinge door 41 to be closed, so that a new drying sheet 10 can be placed in the groove 30 and dehumidify the inside of the box.

As shown in fig. 1 and 6, and in combination with fig. 7, when the barrier plate 6 is opened, the barrier plate 6 is away from the push rod 31, the push plate 32 moves outside the storage tube 19 under the elastic force of the return spring 36, and the push plate 32 moves to push the push rod 31 to move inside the storage tank 4; when the return spring 36 is in a natural state, the pushing plate 32 is at the pushing port 22, and at this time, the pushing plate 21 in the storage tube 19 pushes the plurality of drying sheets 10 to move together under the pushing force of the first spring 20, so that the upper part of one drying sheet 10 is opposite to the pushing port 22, and the lower part is abutted against the first hinged door 24, thereby facilitating the next replacement of the drying sheet 10 on the storage table 26.

The implementation principle of the embodiment of the application is as follows: when the rain does not fall, the baffle plate 6 is in an open state, so that the ventilation inside and outside the box body 1 can be increased, and the heat dissipation of the transformer 14 is facilitated. When raining, the sensor 8 transmits signals of raining days to the driving assembly 9, and the baffle plate 6 is closed under the action of the driving assembly 9, so that the possibility that rainwater and moist air enter the box body 1 from the through hole 3 is reduced; when the sensor 8 receives a clear weather signal, the driving assembly 9 drives the baffle plate 6 to open.

Moisture entering the tank before the barrier 6 is closed can be absorbed by the replacement dryer sheet 10 on the storage table 26, and the air in the tank 1 can be dehumidified, thereby reducing the possibility of short circuits in the transformer 14.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a transformer protection device, includes box (1), its characterized in that: the novel anti-theft box is characterized in that a top cover (2) is arranged at the top end of the box body (1), storage grooves (4) are formed in opposite side walls of the box body (1), through holes (3) are formed in the inner walls of the storage grooves (4), rotating rods (5) are rotationally arranged in the storage grooves (4), baffle plates (6) are fixedly sleeved on the rotating rods (5), the baffle plates (6) are rotationally connected to the storage grooves (4), and sensors (8) are arranged on the outer side walls of the baffle plates (6); a driving assembly (9) for driving the rotating rod (5) to rotate is arranged in the box body (1); a plurality of drying sheets (10) are arranged in the box body (1);

the yarn net (11) is arranged at the through hole (3), a frame (12) is fixedly arranged on the yarn net (11), a limiting block (13) is fixedly arranged on the inner wall of the through hole (3), and the frame (12) is abutted to the limiting block (13);

a handle (15) is fixedly arranged on the frame (12);

a rotating groove (7) is formed in the box body (1), the driving assembly (9) comprises a turbine (16), a worm (17) and a motor (18), the motor (18) is fixedly arranged on the inner wall of the rotating groove (7), the turbine (16) is fixedly sleeved on the rotating rod (5), the worm (17) is fixedly connected to a rotating shaft of the motor (18), and the turbine (16) is matched with the worm (17);

a storage tube (19) is fixedly arranged on the inner wall of the box body (1), and a plurality of drying sheets (10) are placed in the storage tube (19); one end in the storage tube (19) is provided with a first spring (20) and a push plate (21), one end of the first spring (20) is abutted to the push plate (21), the other end of the first spring (20) is fixedly connected to the inner wall of the storage tube (19), the push plate (21) is slidably connected to the inner wall of the storage tube (19), the push plate (21) is abutted to the drying sheet (10), and one end, far away from the first spring (20), of the storage tube (19) is provided with a sealing plug (25); the opposite side walls of the storage tube (19) are respectively provided with a pushing port (22) and an output port (23), and a first hinged door (24) is hinged at the output port (23);

a storage table (26) is arranged in the box body (1), the drying sheet (10) is placed on the storage table (26), and a pushing assembly (27) for driving the drying sheet (10) to move from the storage tube (19) to the storage table (26) is arranged at the pushing port (22);

a recovery box (28) and a collection assembly (29) are arranged in the box body (1), and the collection assembly (29) is used for collecting the used drying sheets (10).

2. A transformer protection device according to claim 1, characterized in that: the storage table (26) is provided with a groove (30), and the drying sheet (10) is inserted into the groove (30).

3. A transformer protection device according to claim 2, characterized in that: the pushing assembly (27) comprises a pushing rod (31), a pushing plate (32) and a plurality of guide ropes (33); one end of the pushing rod (31) is penetrated and slides in the storage groove (4), and the baffle plate (6) is abutted against the pushing rod (31); one end of the pushing rod (31) far away from the baffle plate (6) slides in the box body (1); the pushing plate (32) slides in the storage tube (19) and passes through the pushing port (22), and the pushing plate (32) is abutted against the drying sheet (10);

a first inclined surface (34) is arranged at one end of the pushing rod (31) far away from the baffle plate (6), and a second inclined surface (35) is arranged at one end of the pushing plate (32) close to the pushing rod (31); the pushing rod (31) and the pushing plate (32) are abutted against each other through the first inclined surface (34) and the second inclined surface (35); a reset component (47) for resetting the pushing plate (32) is arranged in the storage tube (19);

the output port (23) is provided with a first hinging rod (38), two ends of the first hinging rod (38) are respectively rotated on the opposite inner walls of the output port (23), the first hinging door (24) is fixedly sleeved on the first hinging rod (38), and a torsion spring (39) is sleeved on the first hinging rod (38); one end torsion arm of the torsion spring (39) is fixedly connected to the first hinged door (24), and the other end torsion arm of the torsion spring (39) is fixedly connected to the inner wall of the output port (23);

one end of the guide rope (33) is fixedly connected with the storage pipe (19), the other end of the guide rope (33) is fixedly connected with the storage table (26), and the drying sheet (10) is slidably connected with the guide rope (33).

4. A transformer protection device according to claim 3, characterized in that: the inner wall of the groove (30) is rotationally connected with a second hinging rod (40), two ends of the second hinging rod (40) are respectively rotationally connected to the opposite inner walls of the groove (30), the second hinging rod (40) is fixedly sleeved with a second hinging door (41), and the recovery box (28) is positioned below the storage table (26);

the collection assembly (29) includes a first sprocket (42), a second sprocket (43), and a chain (44); the first chain wheel (42) is fixedly sleeved on the first hinging rod (38); the second chain wheel (43) is fixedly sleeved on the second hinging rod (40), and the chain (44) is respectively wound on the first chain wheel (42) and the second chain wheel (43).

5. A transformer protection device according to claim 3, characterized in that: a reset groove (37) is formed in the inner wall of the storage tube (19), and the reset groove (37) is communicated with the storage tube (19); the reset assembly (47) comprises a reset spring (36) and a reset block (46), wherein the reset block (46) is fixedly connected to the side wall of the pushing plate (32), the reset block (46) slides in the reset groove (37), one end of the reset spring (36) is fixedly connected to the reset block (46), and the other end of the reset spring (36) is fixedly connected to the inner wall of the reset groove (37).

6. A transformer protection device according to claim 1, characterized in that: a plurality of ventilation holes (45) are formed in the bottom of the box body (1).