CN216119826U

CN216119826U - Waterproof transformer

Info

Publication number: CN216119826U
Application number: CN202122394724.7U
Authority: CN
Inventors: 李培信; 赵玉晶; 王玉宝
Original assignee: DEZHOU XINPING ELECTRONICS CO LTD
Current assignee: DEZHOU XINPING ELECTRONICS CO LTD
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-22
Anticipated expiration: 2031-09-30

Abstract

A waterproof transformer comprises a support frame, wherein a shielding cover is fixedly connected to the top end of the support frame, a first support block and a second support block are respectively arranged on two sides of the bottom end of the support frame, a transformer box is slidably connected to the inner wall of the support frame, and a transformer body is arranged in the transformer box; a plurality of heat dissipation holes are respectively formed in two sides of the transformer box, and baffles fixedly connected with the outer wall of the transformer box are arranged at the upper ends of the heat dissipation holes; the lower end of the supporting frame is provided with a lifting device, the lifting device comprises a threaded rod which is rotationally connected with the shielding cover, and the threaded rod is in threaded connection with a threaded sleeve which is fixedly connected with a side plate of the transformer box; the support frame both sides are equipped with heat abstractor respectively, and heat abstractor is including the heat dissipation fan corresponding with the louvre, and when effectual having solved unexpected weather, the transformer body soaks the aquatic, leads to the inside problem that intakes and cause the transformer short circuit of transformer body.

Description

Waterproof transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a waterproof transformer.

Background

A transformer, which is a device for changing an alternating voltage using the principle of electromagnetic induction, has primary and secondary coils and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

The existing transformer is generally installed in the open air, although a certain waterproof measure is adopted, the existing transformer only plays a role in preventing rainwater in the open air, if the transformer is located at a lower position and disasters such as flood or flood happen suddenly, the transformer is easily soaked in water, and under the condition, because the existing transformer is not tightly sealed, the situation that the transformer is short-circuited due to water entering the interior of the transformer is easily caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the waterproof transformer effectively solves the problem that the transformer is short-circuited due to water entering the interior of the transformer body because the transformer body is soaked in water in sudden weather.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: a waterproof transformer comprises a support frame, wherein a shielding cover is fixedly connected to the top end of the support frame, a first support block and a second support block are respectively arranged on two sides of the bottom end of the support frame, a transformer box is slidably connected to the inner wall of the support frame, and a transformer body is arranged in the transformer box; a plurality of heat dissipation holes are respectively formed in two sides of the transformer box, and baffles fixedly connected with the outer wall of the transformer box are arranged at the upper ends of the heat dissipation holes; the lower end of the supporting frame is provided with a lifting device, the lifting device comprises a threaded rod which is rotationally connected with the shielding cover, and the threaded rod is in threaded connection with a threaded sleeve which is fixedly connected with a side plate of the transformer box; the two sides of the support frame are respectively provided with a heat dissipation device, and the heat dissipation device comprises a heat dissipation fan corresponding to the heat dissipation holes.

Furthermore, the lifting device comprises a handle, the handle is fixedly connected with a worm which is rotatably connected with the inner walls of the first supporting block and the second supporting block, the worm is meshed with a worm wheel, the worm wheel is coaxially and fixedly connected with a driving bevel gear which is rotatably connected with the lower part of the supporting frame, the driving bevel gear is meshed with a driven bevel gear, and the driven bevel gear is fixedly connected with a threaded rod.

Furthermore, the side wall of the baffle is a slope surface which inclines downwards, and two ends of the baffle are open.

Further, heat abstractor is including a plurality of fixed axles with the support frame rigid coupling, heat dissipation fan rigid coupling has the dwang, and dwang one end rigid coupling has the pivot, and the pivot inner wall is equipped with a plurality of and fixed axle inner wall sliding connection's commentaries on classics pearl.

Furthermore, the transformer box is rotatably connected with a closing door, and a pull rod is arranged on the closing door.

Furthermore, the outer side of the peripheral edge of the shielding cover is a slope surface which is inclined downwards, and the shielding plane of the shielding cover is far larger than that of the supporting frame.

The utility model has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the utility model has the following advantages:

1. the transformer body can be prevented from being damaged due to contact with water, and compared with the prior art, the transformer body can still normally work even facing the water level rising.

2. Set up heat abstractor, the louvre lateral part is equipped with a pair of heat dissipation fan respectively, utilizes the drive of air current and heat dissipation gas, and the heat dissipation fan rotates the circulation of air that the in-process can accelerate the louvre department, improves the radiating efficiency of transformer body.

Drawings

Fig. 1 is an isometric view of a waterproof transformer of the present invention.

Fig. 2 is a schematic structural diagram of a support frame of a waterproof transformer according to the present invention.

Fig. 3 is a schematic structural diagram of a lifting device of a waterproof transformer according to the present invention.

Fig. 4 is a schematic structural diagram of a heat dissipation device of a waterproof transformer according to the present invention.

Fig. 5 is a schematic structural diagram of a transformer body of the waterproof transformer of the present invention.

Fig. 6 is a sectional view of a stationary shaft of a waterproof transformer of the present invention.

Reference numbers in the figures: 1-shielding cover, 2-closing door, 3-pull rod, 4-first supporting block, 5-supporting frame, 6-handle, 7-transformer box, 8-threaded rod, 9-threaded sleeve, 10-driven bevel gear, 11-driving bevel gear, 12-worm, 13-worm gear, 14-fixed shaft, 15-rotating rod, 16-heat dissipation fan, 17-baffle, 18-heat dissipation hole, 19-transformer body, 20-sliding pin, 21-second supporting block, 22-rotating shaft and 23-rotating bead.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

A waterproof transformer is shown in figures 1-6 and comprises a support frame 5, wherein the top end of the support frame 5 is fixedly connected with a shielding cover 1, two sides of the bottom end of the support frame 5 are respectively provided with a first support block 4 and a second support block 21, the inner wall of the support frame 5 is slidably connected with a transformer box 7, and a transformer body 19 is arranged in the transformer box 7; a plurality of heat dissipation holes 18 are respectively arranged at two sides of the transformer box 7, and baffles 17 fixedly connected with the outer wall of the transformer box 7 are arranged at the upper ends of the heat dissipation holes 18; the lower end of the support frame 5 is provided with a lifting device, the lifting device comprises a threaded rod 8 rotatably connected with the shielding cover 1, and the threaded rod 8 is in threaded connection with a threaded sleeve 9 fixedly connected with a side plate of the transformer box 7; the two sides of the support frame 5 are respectively provided with a heat dissipation device, and the heat dissipation device comprises a heat dissipation fan 16 corresponding to the heat dissipation holes 18.

When the transformer box is used, when disasters such as waterlogging disasters or floods occur, the water level rises, the first supporting block 4 and the second supporting block 21 play a role in supporting and fixing the whole device, the lifting device is controlled to work according to the height of the water level, the lifting device drives the threaded rod 8 to rotate, the threaded rod 8 drives the threaded sleeve 9 to move upwards, the threaded sleeve 9 drives the transformer box 7 to slide upwards along the sliding pins 20 arranged on the peripheral inner walls of the supporting frame 5, the transformer box 7 drives the transformer body 19 inside to ascend, the transformer body 19 is prevented from being contacted with rainwater, the transformer body 19 is prevented from being damaged, the shielding cover 1 can guide rainwater at the upper end downwards, at the moment, when the transformer body 19 normally works, the heat emitted by the transformer body 19 is discharged through the heat dissipation holes 18, and the heat dissipation device can accelerate the air circulation at the heat dissipation holes 18, so that the heat dissipation efficiency is improved.

As shown in fig. 2 and 3, the lifting device comprises a handle 6, the handle 6 is fixedly connected with a worm 12 which is rotatably connected with the inner walls of the first supporting block 4 and the second supporting block 21, the worm 12 is meshed with a worm wheel 13, the worm wheel 13 is coaxially and fixedly connected with a driving bevel gear 11 which is rotatably connected with the lower part of the supporting frame 5, the driving bevel gear 11 is meshed with a driven bevel gear 10, and the driven bevel gear 10 is fixedly connected with a threaded rod 8.

Preferably, the handle 6 is rotated, the handle 6 drives the worm 12 to rotate, the worm 12 drives the worm wheel 13 to rotate, the worm wheel 13 drives the driving bevel gear 11 to rotate, the driving bevel gear 11 drives the driven bevel gear 10 to rotate, the driven bevel gear 10 drives the threaded rod 8 to rotate, and the threaded rod 8 drives the threaded sleeve 9 to move up and down in the rotation process.

As shown in fig. 5, the side wall of the baffle 17 is a slope surface which inclines downwards, and two ends of the baffle 17 are open.

Preferably, can effectually prevent that the rainwater from accumulating on baffle 17, when the uncovered outflow at baffle 17 both ends was gaseous in the heat dissipation, can drive the heat abstractor work of one end for the circulation of air of heat sink department improves transformer body 17's radiating efficiency.

As shown in fig. 4 and 6, the heat dissipation device includes a plurality of fixed shafts 14 fixed to the support frame 5, the heat dissipation fan 16 is fixed to a rotation rod 15, one end of the rotation rod 15 is fixed to a rotation shaft 22, and the inner wall of the rotation shaft 22 is provided with a plurality of rotation beads 23 slidably connected to the inner wall of the fixed shaft 14.

Preferably, when the outside is windy and the heat dissipation gas flows out through louvre 18, drive heat dissipation fan 16 and rotate, heat dissipation fan 16 drives dwang 15 and rotates, pivot 22 and the 14 inner wall of fixed axle rotate to be connected, play spacing fixed effect to dwang 15, avoid dwang 15 to incline askewly, lead to heat dissipation fan 16 to damage, change pearl 23 and can effectively reduce the frictional resistance of dwang 15 and the 14 inner wall of fixed axle, improve heat dissipation fan 16's rotation rate, accelerate the heat dissipation.

As shown in fig. 1 and 5, the transformer box 7 is rotatably connected with a closing door 2, and a pull rod 3 is arranged on the closing door 2.

Preferably, the pull rod 3 is convenient for driving the closing door 2 to rotate along the transformer box 7, so that a worker can conveniently place the transformer body 19 into the transformer box 7.

As shown in fig. 1 and 3, the outside of the peripheral edge of the shielding cover 1 is a slope surface inclined downwards, and the shielding plane of the shielding cover 1 is far larger than the supporting frame 5.

Preferably, shelter from lid 1 edge outside for the domatic of downward sloping, effectively avoid the rainwater to accumulate on sheltering from lid 1, shelter from the plane and be far greater than when support frame 5 can prevent that the rainwater from leaking down, cause transformer body 19 internal water.

The working process of the utility model is as follows: when the utility model is used, when disasters such as waterlogging disasters or floods occur, the water level rises, the first supporting block 4 and the second supporting block 21 play a role in supporting and fixing the whole device, the handle 6 is rotated according to the height of the water level, the handle 6 drives the worm 12 to rotate, the worm 12 drives the worm wheel 13 to rotate, the worm wheel 13 drives the driving bevel gear 11 to rotate, the driving bevel gear 11 drives the driven bevel gear 10 to rotate, the driven bevel gear 10 drives the threaded rod 8 to rotate, the threaded sleeve 9 is driven to move upwards in the rotation process of the threaded rod 8, the threaded sleeve 9 drives the transformer box 7 to slide upwards along the sliding pins 20 arranged on the peripheral inner wall of the supporting frame 5, the transformer box 7 drives the transformer body 19 inside to ascend, the phenomenon that the transformer body 19 is damaged due to the contact with rainwater is avoided, the shielding cover 1 can guide the rainwater at the upper end down, and at the moment, when the transformer body 19 normally works, when outside windy and radiating gas flow out through louvre 18, drive heat dissipation fan 16 and rotate, heat dissipation fan 16 drives dwang 15 and rotates, pivot 22 and the 14 inner wall of fixed axle rotate and connect, play spacing fixed effect to dwang 15, avoid dwang 15 to incline askewly, lead to heat dissipation fan 16 to damage, change pearl 23 and can effectively reduce the frictional resistance of dwang 15 and the 14 inner wall of fixed axle, improve the slew velocity of heat dissipation fan 16, accelerate the heat dissipation.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A waterproof transformer, characterized by: the device comprises a support frame (5), wherein the top end of the support frame (5) is fixedly connected with a shielding cover (1), two sides of the bottom end of the support frame (5) are respectively provided with a first support block (4) and a second support block (21), the inner wall of the support frame (5) is connected with a transformer box (7) in a sliding manner, and a transformer body (19) is arranged in the transformer box (7); a plurality of heat dissipation holes (18) are respectively formed in two sides of the transformer box (7), and baffles (17) fixedly connected with the outer wall of the transformer box (7) are arranged at the upper ends of the heat dissipation holes (18); the lower end of the support frame (5) is provided with a lifting device, the lifting device comprises a threaded rod (8) rotatably connected with the shielding cover (1), and the threaded rod (8) is in threaded connection with a threaded sleeve (9) fixedly connected with a side plate of the transformer box (7); the two sides of the support frame (5) are respectively provided with a heat dissipation device, and the heat dissipation device comprises a heat dissipation fan (16) corresponding to the heat dissipation holes (18).

2. The waterproof transformer according to claim 1, wherein: the lifting device comprises a handle (6), a worm (12) rotatably connected with the inner walls of a first supporting block (4) and a second supporting block (21) is fixedly connected to the handle (6), a worm wheel (13) is meshed with the worm (12), a driving bevel gear (11) rotatably connected with the lower portion of a supporting frame (5) is fixedly connected to the worm wheel (13) in a coaxial mode, a driven bevel gear (10) is meshed with the driving bevel gear (11), and the driven bevel gear (10) is fixedly connected with a threaded rod (8).

3. The waterproof transformer according to claim 1, wherein: the side wall of the baffle (17) is a slope surface which inclines downwards, and two ends of the baffle (17) are open.

4. The waterproof transformer according to claim 1, wherein: the heat dissipation device comprises a plurality of fixed shafts (14) fixedly connected with a support frame (5), a heat dissipation fan (16) is fixedly connected with a rotating rod (15), one end of the rotating rod (15) is fixedly connected with a rotating shaft (22), and the inner wall of the rotating shaft (22) is provided with a plurality of rotating beads (23) which are slidably connected with the inner wall of the fixed shaft (14).

5. The waterproof transformer according to claim 1, wherein: the transformer box (7) is rotatably connected with a closed door (2), and a pull rod (3) is arranged on the closed door (2).

6. The waterproof transformer according to claim 1, wherein: the outer sides of the edges of the periphery of the shielding cover (1) are slope surfaces which incline downwards, and the shielding plane of the shielding cover (1) is far larger than the supporting frame (5).