CN213844964U

CN213844964U - High oil-immersed power transformer of security

Info

Publication number: CN213844964U
Application number: CN202022910068.7U
Authority: CN
Inventors: 于东亮; 李朝晖; 石结实
Original assignee: Shenzhen Yibian Transformer Co ltd
Current assignee: Shenzhen Yibian Transformer Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-30
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a high oil-immersed power transformer of security, which comprises a housin, the inside bottom of casing is provided with oil-immersed power transformer body. The utility model discloses well collecting box can collect rainwater or dew etc. rainy day, its water filters through the sieve, can filter impurity wherein, it passes through the sieve, a spring, the cooperation of fixed block and conveyer pipe is used, can clear up the impurity on the sieve automatically, can prevent effectively that the sieve from taking place to block up, its rainwater leads to pipe and enters into in the cooling water pipe, can cool off oil-immersed power transformer body, can prevent effectively that it from exploding because of the high temperature, the safety in utilization thereof has been improved, and be provided with waterproof cloth on the baffle, can prevent that the sun from insolate and raining from soaking oil-immersed power transformer body, the protectiveness to its oil-immersed power transformer body has been improved.

Description

High oil-immersed power transformer of security

Technical Field

The utility model relates to a transformer technical field especially relates to a high oil-immersed power transformer of security.

Background

The transformer is a static electric equipment for transforming AC voltage and current and transmitting AC energy, it realizes electric energy transmission according to the principle of electromagnetic induction, and the transformer can be divided into power transformer, test transformer, instrument transformer and special purpose transformer, among which, the power transformer is the necessary equipment for power transmission and distribution, power consumer distribution, the oil-immersed transformer adopts the full oil-filled sealed type, the ripple oil tank shell is the permanently sealed oil tank by the self elasticity adapting to the expansion of oil, the oil-immersed transformer has been widely used in all distribution equipments.

However, the existing oil-immersed power transformer is poor in heat dissipation effect, extremely easy to heat up when meeting hot summer, easy to explode and the like, most of the existing oil-immersed power transformer is installed outdoors, poor in sealing performance, and prone to causing line short circuit due to frequent immersion of rainwater, so that the oil-immersed power transformer with high safety is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the high oil-immersed power transformer of security that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an oil-immersed power transformer with high safety comprises a shell, wherein an oil-immersed power transformer body is arranged at the bottom inside the shell, a temperature sensor and a humidity sensor are mounted at the top of the oil-immersed power transformer body, a baffle is fixed at the top of the shell, rain-proof cloth is arranged at the top of the baffle, a collecting box and a waste box are mounted at the top of the baffle, a fixing block is fixed on the inner wall of the collecting box, a screen plate is connected to the top of the fixing block through a spring, a conveying pipe is communicated with the side surface of the collecting box, the pipe orifice of the conveying pipe is positioned below the screen plate, the conveying pipe is communicated with the waste box, a water pipe is communicated with the side surface of the collecting box, a water pump is arranged on the water pipe, the water pipe penetrates through the baffle and the shell and extends into the shell, a cooling water pipe is communicated with the end part of the water pipe, and the cooling water pipe is wound on the oil-immersed power transformer body, the cooling water pipe penetrates through the shell and is communicated with a water return pipe, an L-shaped rod is fixed to the top of the baffle, the water return pipe is fixed to the L-shaped rod through a pipe clamp, and the end portion of the water return pipe is located above the collecting box.

Preferably, a sliding block is fixed on the side face of the sieve plate, a sliding groove is formed in the inner wall of the collecting box, and the sliding block is slidably mounted in the sliding groove.

Preferably, the top of the waste bin is hinged with a cover plate, a bolt is inserted into the cover plate, and the bolt is in threaded connection with the waste bin.

Preferably, the side surface of the shell is provided with a heat dissipation hole, and a filter screen is arranged in the heat dissipation hole.

Preferably, a through hole is formed in the shell, a sealing ring is installed in the through hole, the water pipe is installed on the inner ring of the sealing ring, and a switch door is arranged on the side face of the shell.

Preferably, a connecting flange is fixed on the side face of the shell, a connecting hole is formed in the connecting flange, and a foam board is arranged inside the shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1: the utility model discloses well collecting box can collect rainwater or dew etc. rainy day, its water filters through the sieve, can filter impurity wherein, it passes through the sieve, a spring, the cooperation of fixed block and conveyer pipe is used, can clear up the impurity on the sieve automatically, can prevent effectively that the sieve from taking place to block up, its rainwater leads to pipe and enters into in the cooling water pipe, can cool off oil-immersed power transformer body, can prevent effectively that it from exploding because of the high temperature, the safety in utilization thereof has been improved, and be provided with waterproof cloth on the baffle, can prevent that the sun from insolate and raining from soaking oil-immersed power transformer body, the protectiveness to its oil-immersed power transformer body has been improved.

2: the utility model discloses well temperature sensor and humidity transducer can monitor the temperature and the humidity of oil-immersed power transformer body in real time, can prevent effectively that it from taking place high temperature or excessively moist and damaging, and louvre and filter screen can ventilate the oil-immersed power transformer body in the casing, can keep oil-immersed power transformer body self in the casing dry.

Drawings

Fig. 1 is a schematic structural diagram of an oil-immersed power transformer with high safety according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a partially enlarged view of a portion B in fig. 1.

In the figure: 1 casing, 2 oil-immersed power transformer body, 3 connecting holes, 4 flange connections, 5 filter screens, 6 louvres, 7 wet return, 8 dump bins, 9L shape pole, 10 apron, 11 conveyer pipes, 12 sieve boards, 13 horn mouths, 14 collecting tanks, 15 water pumps, 16 water pipes, 17 baffles, 18 sealing washer, 19 temperature sensor, 20 condenser tube, 21 humidity transducer, 22 cystosepiments, 23 switch door, 24 slider, 25 spout, 26 fixed block, 27 spring, 28 bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an oil-immersed power transformer with high safety comprises a housing 1, an oil-immersed power transformer body 2 is arranged at the bottom inside the housing 1, a temperature sensor 19 and a humidity sensor 21 are installed at the top of the oil-immersed power transformer body 2, a baffle 17 is fixed at the top of the housing 1, a waterproof cloth is arranged at the top of the baffle 17, a collecting box 14 and a waste box 8 are installed at the top of the baffle 17, a fixing block 26 is fixed on the inner wall of the collecting box 14, the top of the fixing block 26 is connected with a sieve plate 12 through a spring 27, a conveying pipe 11 is communicated with the side surface of the collecting box 14, a pipe orifice of the conveying pipe 11 is positioned below the sieve plate 12, the conveying pipe 11 is communicated with the waste box 8, a water pipe 16 is communicated with the side surface of the collecting box 14, a water pump 15 is arranged on the water pipe 16, the water pipe 16, cooling water pipe 20 twines on oil-immersed power transformer body 2, and cooling water pipe 20 runs through casing 1 and the intercommunication has wet return 7, and baffle 17's top is fixed with L shape pole 9, and wet return 7 passes through the pipe strap to be fixed on L shape pole 9, and wet return 7's tip is located the top of collecting box 14.

The side of sieve 12 is fixed with slider 24, spout 25 has been seted up to the inner wall of collecting box 14, slider 24 slidable mounting is in spout 25, the top of waste bin 8 articulates there is apron 10, it has bolt 28 to peg graft on the apron 10, bolt 28 and waste bin 8 threaded connection, louvre 6 has been seted up to the side of casing 1, install filter screen 5 in the louvre 6, the through-hole has been seted up on casing 1, install sealing washer 18 in the through-hole, the inner circle at sealing washer 18 is installed to water pipe 16, the side of casing 1 is provided with switch door 23, the side of casing 1 is fixed with flange 4, flange 4 is last to have seted up connecting hole 3, the inside of casing 1 is provided with cystose.

The working principle is as follows: the collecting box 14 can collect rainwater or dew in rainy days, the water is filtered by the sieve plate 12, the impurities in the water can be filtered, the water can be used by matching the sieve plate 12, the spring 27, the fixed block 26 and the conveying pipe 11, the impurities on the sieve plate 12 can be automatically cleaned, the sieve plate 12 can be effectively prevented from being blocked, the rainwater can enter the cooling water pipe 20 through the water pipe 16, the oil-immersed power transformer body 2 can be cooled, the high-temperature explosion can be effectively prevented, the use safety of the oil-immersed power transformer body is improved, the rain-proof cloth is arranged on the baffle 17, the oil-immersed power transformer body 2 can be prevented from being exposed to the sun and being soaked by the rain, the protection of the oil-immersed power transformer body 2 is improved, the temperature sensor 19 and the humidity sensor 21 can monitor the temperature and the humidity of the oil-immersed power transformer body 2 in real time, and the damage of the oil-immersed power transformer body 2 caused by high temperature or excessive humidity can be effectively prevented, the heat dissipation holes 6 and the filter screen 5 can ventilate the oil-immersed power transformer body 2 in the shell 1, the oil-immersed power transformer body 2 in the shell 1 can be kept dry, the switch door 23 can be opened conveniently to maintain the oil-immersed power transformer body 2, the foam board 22 can effectively reduce noise generated when the oil-immersed power transformer body 2 operates, and the like.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high oily formula power transformer of security, includes casing (1), its characterized in that, the inside bottom of casing (1) is provided with oily formula power transformer body (2), temperature sensor (19) and humidity transducer (21) are installed to the top of oily formula power transformer body (2), the top of casing (1) is fixed with baffle (17), the top of baffle (17) is provided with waterproof cloth, collecting box (14) and dump bin (8) are installed to the top of baffle (17), the inner wall of collecting box (14) is fixed with fixed block (26), the top of fixed block (26) is connected with sieve (12) through spring (27), the side intercommunication of collecting box (14) has conveyer pipe (11), the mouth of pipe of conveyer pipe (11) is located the below of sieve (12), conveyer pipe (11) and dump bin (8) intercommunication, the side of collecting box (14) intercommunication has water pipe (16), be provided with water pump (15) on water pipe (16), water pipe (16) run through baffle (17) and casing (1) and extend to in casing (1), the tip intercommunication of water pipe (16) has cooling water pipe (20), cooling water pipe (20) winding is on oily formula power transformer body (2), cooling water pipe (20) run through casing (1) and the intercommunication has wet return (7), the top of baffle (17) is fixed with L shape pole (9), wet return (7) are fixed on L shape pole (9) through the pipe strap, the tip of wet return (7) is located the top of collecting box (14).

2. The oil-immersed power transformer with high safety according to claim 1, wherein a sliding block (24) is fixed on the side surface of the sieve plate (12), a sliding groove (25) is formed in the inner wall of the collecting box (14), and the sliding block (24) is slidably mounted in the sliding groove (25).

3. Oil-filled power transformer with high safety according to claim 1, characterized in that a cover plate (10) is hinged to the top of the waste tank (8), a bolt (28) is inserted into the cover plate (10), and the bolt (28) is in threaded connection with the waste tank (8).

4. The oil-immersed power transformer with high safety according to claim 1, wherein heat dissipation holes (6) are formed in the side surface of the shell (1), and a filter screen (5) is installed in each heat dissipation hole (6).

5. The oil-immersed power transformer with high safety according to claim 1, wherein a through hole is formed in the shell (1), a sealing ring (18) is installed in the through hole, the water pipe (16) is installed on an inner ring of the sealing ring (18), and a switch door (23) is arranged on a side surface of the shell (1).

6. The oil-immersed power transformer with high safety according to claim 1, wherein a connecting flange (4) is fixed to a side surface of the housing (1), a connecting hole (3) is formed in the connecting flange (4), and a foam plate (22) is arranged inside the housing (1).