CN219246487U

CN219246487U - Moisture-proof outdoor transformer

Info

Publication number: CN219246487U
Application number: CN202320932450.9U
Authority: CN
Inventors: 林述福; 翁绳木
Original assignee: Fujian Kaijia Industrial Equipment Co ltd
Current assignee: Guangdong Kenotai Technology Co.,Ltd.
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-06-23
Anticipated expiration: 2033-04-24

Abstract

The utility model relates to the technical field of transformers, and discloses a moistureproof outdoor transformer which comprises a transformer main body and a protective shell wrapped outside the transformer main body, wherein an air inlet structure and an air exhaust structure are arranged in the shell from bottom to top around the transformer main body, so that a moistureproof part for drying and ventilation is formed. The utility model adopts type air inlet pipeline to wrap around the bottom of the pressure-changing main body, the air inlet pipeline is internally matched with an exhaust fan for air inlet through an air inlet pipe with a lower position, the drying block in the vertical pipe is used for dehumidification, meanwhile, the vertical pipe prevents moisture from flowing into an air guide pipe with a higher position when the moisture is accumulated into liquid, the moisture is dehumidified again through a drying strip in the air guide pipe, the temperature of an external heating wire is increased to form hot air, the hot air is sprayed at the bottom in the shell through an air outlet hole, the temperature of the moist air accumulated at the bottom is increased to be upwards extruded, and the moist air is discharged through an air suction disc assisted by the exhaust fan, and the drying and ventilation work is continuously carried out.

Description

Moisture-proof outdoor transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a moisture-proof outdoor transformer.

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, has the main functions of voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformers) and the like, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. At present, the outdoor dry-type transformer has poor moisture resistance, especially in the season of plum rain, the outside air is moist, a large amount of moisture can invade inside and influence the iron core insulation for the iron core insulation is ageing or damaging, and then increases the vortex, causes local overheat, can also cause core conflagration if serious. Chinese patent publication No. CN215731161U provides a moisture-proof dry-type transformer, including the casing and install iron core in the casing, one side of casing is equipped with the desicator, the desicator includes the barrel, connects upper cover and the lower cover at both ends about the barrel, be equipped with orifice plate, orifice plate and packing in the barrel and be in the drier between orifice plate, the upper end of casing is equipped with the aspiration pump.

In the process of solving the damp, the patent adopts a dry ventilation mode. However, the added electrical equipment is exposed to the outside, is unfavorable for outdoor use, has limited effect especially in the rainy season, even directly wets the drying agent, flows into the transformer along the pipeline, and is not suitable for the whole measure, so that the improvement is needed.

To this end, the inventors have provided a moisture-proof outdoor transformer to solve the above-mentioned problems.

Disclosure of Invention

The present utility model is directed to a moisture-proof outdoor transformer, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the moisture-proof outdoor transformer comprises a transformer main body and a protective shell wrapped outside the transformer main body, wherein an air inlet structure and an air exhaust structure are arranged in the shell from bottom to top around the transformer main body to form a moisture-proof part for drying and ventilation;

the exhaust structure comprises an air suction disc positioned at the inner top of the shell, and the air suction disc is communicated with an exhaust fan arranged on the wall surface of the shell;

the air inlet structure sequentially comprises an air inlet pipe, a vertical pipe and an air guide pipe which are connected, the air inlet pipe is -shaped in overlook angle, the air inlet pipe is wrapped on the edge of the pressure transformation main body, the air inlet pipe is arranged to penetrate through the shell and extend to the outside for ventilation, a plurality of air outlet holes are formed in the bottom of the air guide pipe, the air inlet structure is matched with the air outlet holes, air drying bars are arranged in the pipe body, and an electric heating wire is fixedly wound on the pipe body of the air guide pipe.

As an alternative to the moisture-proof outdoor transformer according to the utility model, wherein: the air suction disc is a hollow rectangular disc, and a plurality of air suction holes which are arranged at equal intervals are formed in the bottom of the disc body.

As an alternative to the moisture-proof outdoor transformer according to the utility model, wherein: one side of the air suction disc is communicated with an air cylinder through an exhaust pipe, the air cylinder is arranged on the wall surface of the shell, and an exhaust fan is arranged in the air cylinder.

As an alternative to the moisture-proof outdoor transformer according to the utility model, wherein: the air inlet pipe, the vertical pipe and the air guide pipe are in a Z-shaped structure by taking the vertical pipe as a center, and the horizontal position of the air guide pipe is higher than that of the air inlet pipe.

As an alternative to the moisture-proof outdoor transformer according to the utility model, wherein: the air drying bar comprises a gypsum honeycomb column-shaped drying block filled in the vertical pipe, the air drying bar further comprises a guide rod arranged along the pipe body of the air guide pipe, two ends of the guide rod are fixedly connected to two ends of the air guide pipe, the guide rod is fixedly sleeved with a gypsum drying bar, and the outer diameter of the drying bar is smaller than the inner diameter of the air guide pipe.

As an alternative to the moisture-proof outdoor transformer according to the utility model, wherein: the port of each air outlet hole is in threaded connection with an air outlet nozzle, the inside of the air outlet nozzle is filled with a honeycomb drying plug made of gypsum, and the air outlet nozzle is limited by a nozzle opening arranged at the bottom of the air outlet nozzle and communicated with the outside.

As an alternative to the moisture-proof outdoor transformer according to the utility model, wherein: the shell is internally provided with a storage battery, the side wall of the storage battery is electrically connected with a humidity detector, and the humidity detector is connected with an electric heating wire and an exhaust fan in series.

As an alternative to the moisture-proof outdoor transformer according to the utility model, wherein: the air inlet pipe and the air duct are both positioned on the same side wall of the shell, the side wall of the shell is fixedly connected with a shield with an opening at the bottom, the air inlet pipe and the air duct are covered by the shield, the space is reserved between the inner wall of the shield and the ports of the air inlet pipe and the air duct, and the position of the bottom port of the shield is lower than the position of the ports of the air inlet pipe and the air duct.

As an alternative to the moisture-proof outdoor transformer according to the utility model, wherein: the screen plate is fixedly connected to the inner wall of the shield below the air inlet pipe and the air duct, and the position of the screen plate is higher than the bottom port of the shield.

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

1. the moisture-proof outdoor transformer adopts a type air inlet pipeline to wrap around the bottom of a transformer main body, the air inlet pipeline is internally matched with an exhaust fan to carry out air inlet through an air inlet pipe with a lower position, the moisture is prevented from flowing into an air guide pipe with a higher position when being accumulated into liquid by a drying block in a vertical pipe, the moisture is prevented from being dehumidified again by the vertical pipe through a drying strip in the air guide pipe, after the temperature of an external heating wire rises to form hot air, the hot air is sprayed at the bottom in a shell through an air outlet hole, so that the moist air accumulated at the bottom is heated up and is discharged through an air suction disc assisted by the exhaust fan, and the drying and ventilation work is continuously carried out;

2. the moisture-proof outdoor transformer adopts a storage battery to supply power, the humidity detector monitors the internal humidity, and the air exhauster and the heating wire are started to work when reaching a preset threshold value, so that the moisture-proof outdoor transformer is automatic and convenient;

the integrated structure design is inside the transformer, from the top down installs in the shell around the vary voltage main part, and dampproofing part receives the shell protection, considers moisture water liquid to optimize the dry pipeline that admits air, prevents inside the water liquid invasion transformer, and the structure is high-efficient stable, the outdoor use of being convenient for.

Drawings

Fig. 1 is a schematic view of a partial cross-sectional structure of the present utility model.

FIG. 2 is a schematic side view of the exhaust structure of the present utility model.

Fig. 3 is a schematic front view of an air intake structure according to the present utility model.

Fig. 4 is a schematic bottom view of a partial structure of the connection relationship of pipes in the air intake structure of the present utility model.

FIG. 5 is an enlarged schematic cross-sectional view of the air outlet nozzle according to embodiment 2 of the present utility model.

Fig. 6 is a schematic cross-sectional view of an air intake structure in embodiment 1 of the present utility model.

Fig. 7 is an exploded view of a partial cross-sectional structure of the present utility model.

Fig. 8 is a schematic diagram of a front view structure of the present utility model.

In the figure: 1. a housing; 2. a transforming main body; 3. a moisture barrier; 4. an air intake structure; 401. an air inlet pipe; 402. a standpipe; 403. an air duct; 404. an air outlet hole; 405. drying the blocks; 406. a guide rod; 407. drying the strips; 408. heating wires; 409. an air outlet nozzle; 4010. a dry plug; 4011. a mouth; 5. an exhaust structure; 501. a suction disc; 502. an air suction hole; 503. an exhaust pipe; 504. an air duct; 505. an exhaust fan; 6. a storage battery; 7. a humidity detector; 8. a shield; 9. a screen plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Please refer to fig. 1-8:

examples

The moisture-proof outdoor transformer comprises a transformer main body 2 and a protective shell 1 wrapped outside the transformer main body 2, wherein an air inlet structure 4 and an air outlet structure 5 are arranged in the shell 1 from bottom to top around the transformer main body 2 to form a moisture-proof part 3 for drying and ventilation;

the exhaust structure 5 comprises an air suction disc 501 positioned at the inner top of the shell 1, and the air suction disc 501 is communicated with an exhaust fan 505 arranged on the wall surface of the shell 1;

in the embodiment 1, the air suction disc 501 is a hollow rectangular disc, and a plurality of air suction holes 502 are arranged at the bottom of the disc body at equal intervals and are used for guiding the moist air in the shell 1 to enter the air suction disc 501;

further, one side of the air suction plate 501 is communicated with an air duct 504 through an air exhaust pipe 503, the air duct 504 is mounted on the wall surface of the housing 1, and an air exhauster 505 is mounted in the air duct 504.

That is, when the exhaust fan 505 works, the moist air in the housing 1 is sucked through the suction hole 502, the suction disc 501 and the exhaust pipe 503 in sequence, and then is discharged to the outside by the exhaust fan 505, negative pressure is formed in the housing 1 in the process, and the moist air is replenished from the air inlet structure 4 positioned at the bottom of the transformer, so that the moist air is to be replaced.

The air inlet structure 4 sequentially comprises an air inlet pipe 401, a vertical pipe 402 and an air guide pipe 403 which are connected, is -shaped in a overlook angle, is wrapped on the edge of the pressure transformation main body 2, is arranged to extend to the outside for ventilation through the shell 1 by the air inlet pipe 401, and is provided with a plurality of air outlet holes 404 at the bottom of the air guide pipe 403;

in this embodiment 1, the air inlet pipe 401, the vertical pipe 402 and the air guide pipe 403 take a Z-shaped structure with the vertical pipe 402 as the center, and the horizontal position of the air guide pipe 403 is higher than that of the air inlet pipe 401, so that the air outlet hole 404 at the bottom of the air guide pipe 403 keeps a higher position to be spaced from the inner bottom surface of the housing 1, when the air inlet pipe 401 is introduced from the outside, the air is discharged to the inner bottom surface of the housing 1 through the air outlet hole 404 without obstruction, and the moist air in the bottom area of the pressure-changing main body 2 is extruded to rise;

the air inlet structure 4 is matched with the air outlet holes 404 to arrange air drying bars in the tube body:

in this embodiment 1, the air drying bar comprises a gypsum cellular cylindrical drying block 405 filled in a standpipe 402, for absorbing moisture when external humid air enters, and the standpipe 402 prevents moisture from flowing into a gas guide tube 403 at a higher position when moisture accumulates into liquid, so as to prevent the water from invading into a transformer, and a guide rod 406 arranged along the tube body of the gas guide tube 403, wherein two ends of the guide rod 406 are fixedly connected to two ends of the gas guide tube 403, and a gypsum drying bar 407 is fixedly sleeved on the guide rod 406, the outer diameter of the drying bar 407 is smaller than the inner diameter of the gas guide tube 403, so that the passing air is dried again, and then discharged through a gas outlet 404 below;

a heating wire 408 is fixed around the tube body of the air duct 403.

It is necessary to explain that: a storage battery 6 is arranged in the shell 1, the side wall of the storage battery 6 is in power supply connection with a humidity detector 7, and the humidity detector 7 is connected with an electric heating wire 408 and an exhaust fan 505 in series.

That is, the accumulator 6 is used for supplying power, the humidity detector 7 monitors the internal humidity, the exhaust fan 505 and the heating wire 408 are started to work when reaching a preset threshold value, after the drying air in the heating tube of the heating wire 408 forms hot air, the hot air is sprayed at the inner bottom of the shell 1 through the air outlet 404, so that the moist air accumulated at the bottom is heated up and is extruded upwards, and the moist air is discharged through the air suction disc 501 assisted by the exhaust fan 505, and the drying and ventilation work is continuously finished, so that the device is automatic and convenient.

In order to avoid the adverse effect of rainwater and dust entering the housing 1 during ventilation:

in this embodiment 1, the air inlet pipe 401 and the air duct 504 are both located on the same side wall of the housing 1, and the side wall of the housing 1 is fixedly connected with the hood 8 with an opening at the bottom, the air inlet pipe 401 and the air duct 504 are covered by the hood 8, the inner wall of the hood 8 is spaced from the ports of the air inlet pipe 401 and the air duct 504, the bottom port position of the hood 8 is lower than the port positions of the air inlet pipe 401 and the air duct 504, so that the air inlet pipe 401 and the air duct 504 are ventilated with the outside through the bottom port of the hood 8, and the bottom port position of the hood 8 is lower, so that the hood 8 shields and protects the transformer from intrusion of reverse upward rainwater flow;

in this embodiment 1, the shield 8 is fixedly connected with the gauze plate 9 on the inner wall below the air inlet pipe 401 and the air duct 504, and the position of the gauze plate 9 is higher than the bottom port position of the shield 8, so that rainwater cannot be infected in a reverse upward flow, large particle dust in the air is filtered, and the dust is placed to affect the internal electrical work.

Examples

On the basis of example 1, the effect of intake air drying was further improved:

as a further improvement in this embodiment 2, the port of each air outlet 404 is screwed with an air outlet nozzle 409, the inside of the air outlet nozzle 409 is filled with a gypsum honeycomb-shaped drying plug 4010, and the air outlet nozzle 409 is limited by a nozzle 4011 opened at the bottom thereof and is communicated with the outside;

that is, when the air outlet 404 is air-injected, air-out drying is performed, and dry air is formed to enter the casing 1 to exhaust the moist air inside for ventilation.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an outdoor transformer of moisture-proof, includes vary voltage main part (2), parcel at the outside protective housing (1) of vary voltage main part (2), its characterized in that: an air inlet structure (4) and an air outlet structure (5) are arranged in the shell (1) from bottom to top around the pressure changing main body (2) to form a moisture-proof component (3) for drying and ventilation;

the exhaust structure (5) comprises an air suction disc (501) positioned at the inner top of the shell (1), and the air suction disc (501) is communicated with an exhaust fan (505) arranged on the wall surface of the shell (1);

the air inlet structure (4) sequentially comprises an air inlet pipe (401), a vertical pipe (402) and an air guide pipe (403) which are connected, the air inlet pipe is -shaped in overlook angle, the air inlet pipe (401) is arranged to penetrate through the shell (1) and extend to the outside for ventilation, a plurality of air outlet holes (404) are formed in the bottom of the air guide pipe (403), the air inlet structure (4) is matched with the air outlet holes (404), air drying bars are arranged in the pipe, and an electric heating wire (408) is fixedly sleeved on the pipe body of the air guide pipe (403).

2. A moisture-resistant outdoor transformer as set forth in claim 1, wherein: the air suction disc (501) is a hollow rectangular disc, and a plurality of air suction holes (502) which are arranged at equal intervals are formed in the bottom of the disc body.

3. A moisture-resistant outdoor transformer as claimed in claim 2, wherein: one side of the air suction disc (501) is communicated with an air duct (504) through an exhaust pipe (503), the air duct (504) is arranged on the wall surface of the shell (1), and an exhaust fan (505) is arranged in the air duct (504).

4. A moisture-resistant outdoor transformer according to claim 3, characterized in that: the air inlet pipe (401), the vertical pipe (402) and the air guide pipe (403) are in a Z-shaped structure by taking the vertical pipe (402) as a center, and the horizontal position of the air guide pipe (403) is higher than that of the air inlet pipe (401).

5. A moisture-resistant outdoor transformer as set forth in claim 4, wherein: the air drying bar comprises a gypsum honeycomb cylindrical drying block (405) filled in a vertical pipe (402), and further comprises a guide rod (406) arranged along the pipe body of the air guide pipe (403), two ends of the guide rod (406) are fixedly connected to two ends of the air guide pipe (403), a gypsum drying bar (407) is fixedly sleeved on the guide rod (406), and the outer diameter of the drying bar (407) is smaller than the inner diameter of the air guide pipe (403).

6. A moisture-resistant outdoor transformer as set forth in claim 5, wherein: the port of each air outlet hole (404) is in threaded connection with an air outlet nozzle (409), a honeycomb drying plug (4010) made of gypsum is filled in the air outlet nozzle (409), and a nozzle (4011) formed in the bottom of the air outlet nozzle (409) is limited and communicated with the outside.

7. A moisture-resistant outdoor transformer according to claim 5 or 6, characterized in that: the electric heating device is characterized in that a storage battery (6) is arranged in the shell (1), a humidity detector (7) is connected with the side wall of the storage battery (6) in a power supply mode, and the humidity detector (7) is connected with an electric heating wire (408) and an exhaust fan (505) in series.

8. A moisture-resistant outdoor transformer as set forth in claim 7, wherein: the air inlet pipe (401) and the air cylinder (504) are both positioned on the same side wall of the shell (1), the side wall of the shell (1) is fixedly connected with the shield (8) with the bottom opening, the air inlet pipe (401) and the air cylinder (504) are covered by the inside of the shield (8), the space is reserved between the inner wall of the shield (8) and the ports of the air inlet pipe (401) and the air cylinder (504), and the bottom port position of the shield (8) is lower than the port position of the air inlet pipe (401) and the air cylinder (504).

9. A moisture-resistant outdoor transformer as set forth in claim 8, wherein: the shield (8) is fixedly connected with a gauze plate (9) on the inner wall below the air inlet pipe (401) and the air cylinder (504), and the gauze plate (9) is higher than the bottom port of the shield (8).