CN218896532U

CN218896532U - Energy-saving oil immersed transformer

Info

Publication number: CN218896532U
Application number: CN202222767022.3U
Authority: CN
Inventors: 郑钟亮
Original assignee: Zhejiang Jiangshan Power Transformer Co ltd
Current assignee: Zhejiang Jiangshan Power Transformer Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-04-21
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses an energy-saving oil immersed transformer, which comprises a shell, a sealing plate positioned at the top of the shell and a water tank positioned at the bottom end inside the shell, wherein the shell comprises: the oil groove is arranged at the top end inside the shell, and radiating fins are arranged at two ends of the shell; and the fixing plate is arranged at the top of the outer side of the shell, a sealing groove is arranged at the top of the inner part of the shell, a sealing block is arranged at the bottom of the sealing plate, and a plurality of groups of fixing bolts are arranged at the outer side of the inner part of the sealing plate. According to the utility model, low temperature is generated through the top end of the semiconductor refrigerator and is transferred to the cooling fin, so that the temperature of the cooling fin is reduced, cooling water in the cooling pipe is conveyed into the water tank through the return pipe, the cooling water is subjected to low-temperature treatment through the low-temperature cooling fin, so that the cooling water is kept in a low-temperature state, the cooling effect on transformer oil is better, and the heat dissipation effect on the transformer through the heat dissipation fin is better.

Description

Energy-saving oil immersed transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to an energy-saving oil immersed transformer.

Background

The distribution transformer is one of important equipment in industrial and mining enterprises and civil building power supply and distribution systems, and the oil immersed transformer is a novel high-performance transformer with more reasonable structure and better performance, so that the performance is further improved, the loss is reduced, the noise is reduced, three items are balanced, the third harmonic component is reduced, and the product is more suitable for urban and rural power grid transformation and is more suitable for combined transformers and transformers for preassembled substations.

The utility model discloses an oil-immersed transformer with the application number of CN202022259186.6, which comprises a cooling device and a transformer shell, wherein the transformer shell is provided with a hollow rectangular cavity, an oil storage tank and a water storage tank are arranged inside the transformer shell, and the cooling device comprises cooling water, a circulating water pump and a circulating water pipe; this transformer cools off transformer oil through the cooling water of circulation, but the cooling water can rise at long-time use in-process temperature, leads to the cooling effect to transformer oil relatively poor, and cooling mechanism and transformer oil's area of contact are less, lead to the cooling efficiency to transformer oil relatively low, inconvenient people's use.

Disclosure of Invention

The utility model aims to provide an energy-saving oil-immersed transformer so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an energy-saving oil-immersed transformer, includes the casing, is located the closing plate at casing top and is located the basin of the inside bottom of casing, the casing includes:

the oil groove is arranged at the top end inside the shell, and radiating fins are arranged at two ends of the shell; and a fixing plate disposed at the top of the outside of the housing.

Preferably, the top of casing shell inside is provided with the seal groove, the bottom of closing plate is provided with the sealing block, the outside of closing plate inside is provided with the inside fixing bolt of multiunit fixed plate, the intermediate position of closing plate bottom goes out to be provided with the main part, the intermediate position department of closing plate top one side is provided with temperature sensor, the one end at closing plate top is provided with multiunit high-voltage bushing, the closing plate top is kept away from high-voltage bushing's one end is provided with multiunit low-voltage bushing.

Preferably, the intermediate position department of casing bottom is provided with the semiconductor refrigerator, the top of semiconductor refrigerator is provided with the multiunit and runs through to the inside cooling fin of basin, the bottom of casing one side is provided with the water injection mouth that runs through to the basin inside, the casing is kept away from one side of water injection mouth installs the water pump, the bottom of water pump is provided with the drinking-water pipe that runs through to the basin inside, the top of water pump is provided with the inlet tube that runs through to the basin inside, the inside of oil groove is provided with the cooling tube, and the cooling tube spiral sets up inside the oil groove, the one end of cooling tube is provided with the back flow that runs through to the basin inside.

Preferably, the two sides of the bottom of the shell are provided with supporting frames, the bottom ends of the two groups of supporting frames are provided with a plurality of groups of mounting holes, and the radiating fins are welded with the two ends of the shell.

Preferably, the sealing plate and the fixing plate are provided with a plurality of groups of through holes on the inner outer sides, the fixing bolts are detachably connected with the sealing plate and the fixing plate through the through holes, and the sealing plate is fixedly connected with the fixing plate through the fixing bolts.

Preferably, the main body is detachably connected with the shell through the oil groove, one side inside the sealing plate is provided with a mounting hole, and the temperature sensor is detachably connected with the sealing plate through the mounting hole.

Preferably, the both ends at closing plate top all are provided with multiunit installation head, high-voltage bushing and low-voltage bushing pass through installation head and closing plate detachable connection, the inside top of high-voltage bushing and low-voltage bushing all is provided with the through-hole.

Preferably, the top end of the semiconductor refrigerator is provided with a plurality of groups of fixing bolts, the semiconductor refrigerator is detachably connected with the shell through the fixing bolts, and a sealing gasket is arranged between the top end of the semiconductor refrigerator and the shell.

Preferably, the water injection port is far away from one end of the water tank and is provided with a sealing cover, one side of the shell is provided with a mounting plate, and the water pump is fixedly connected with the shell through the mounting plate.

Preferably, the cooling pipe is communicated with the water pump through a water inlet pipe, the cooling pipe is communicated with the water tank through a return pipe, and the water pump is communicated with the water tank through a water suction pipe.

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

1. according to the utility model, low temperature is generated through the top end of the semiconductor refrigerator and is transferred to the cooling fin, so that the temperature of the cooling fin is reduced, cooling water in the cooling pipe is conveyed into the water tank through the return pipe, the cooling water is subjected to low-temperature treatment through the low-temperature cooling fin, so that the cooling water is kept in a low-temperature state, the cooling effect on transformer oil is better, the heat dissipation effect on the transformer through the heat dissipation fin is better, and the transformer is prevented from being damaged by high temperature;

2. according to the utility model, the cooling water is injected into the water tank through the water injection port, the cooling water in the water tank is pumped into the water inlet pipe through the water pump and the water suction pipe, the cooling water is injected into the cooling pipe through the water inlet pipe, the transformer oil in the oil tank is cooled through the cooling pipe, and the contact area between the cooling pipe and the transformer oil is increased by arranging the cooling pipe in the oil tank in a spiral manner, so that the transformer oil is cooled rapidly, and the cooling efficiency of the transformer oil is improved.

Drawings

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

Fig. 2 is a top view of the present utility model.

Fig. 3 is a front view of the present utility model.

In the figure: 1. a housing; 101. an oil groove; 102. a heat sink; 103. a fixing plate; 2. a sealing plate; 201. sealing grooves; 202. a sealing block; 203. a fixing bolt; 204. a main body; 205. a temperature sensor; 206. a high voltage bushing; 207. a low voltage bushing; 3. a water tank; 301. a semiconductor refrigerator; 302. a cooling fin; 303. a water filling port; 304. a water pump; 305. a water pumping pipe; 306. a water inlet pipe; 307. a cooling tube; 308. and (5) a return pipe.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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.

Referring to fig. 1-3, an embodiment of an energy-saving oil-immersed transformer according to the present utility model is shown: the utility model provides an energy-saving oil-immersed transformer, includes casing 1, is located closing plate 2 at casing 1 top and is located the basin 3 of the inside bottom of casing 1, and casing 1 includes: the oil groove 101 is formed in the top end inside the shell 1, the radiating fins 102 are arranged at the two ends of the shell 1, and the radiating effect of the radiating fins 102 on the transformer is better; and a fixing plate 103 provided at the top of the outside of the housing 1.

Referring to fig. 1 and 3, a sealing groove 201 is provided at the top end of the inside of the casing 1, a sealing block 202 is provided at the bottom of the sealing plate 2, the sealing effect between the sealing plate 2 and the casing 1 is better through the sealing groove 201 and the sealing block 202, fixing bolts 203 inside a plurality of groups of fixing plates 103 are provided at the outside of the inside of the sealing plate 2, the sealing plate 2 and the fixing plates 103 are convenient to fix, a main body 204 is provided at the middle position of the bottom of the sealing plate 2, a temperature sensor 205 is provided at the middle position of one side of the top of the sealing plate 2, the temperature inside the oil groove 101 is convenient to monitor, a plurality of groups of high-voltage bushings 206 are provided at one end of the top of the sealing plate 2, and a plurality of groups of low-voltage bushings 207 are provided at one end of the top of the sealing plate 2 far from the high-voltage bushings 206.

Referring to fig. 1 and 3, a semiconductor refrigerator 301 is disposed at an intermediate position of a bottom of a housing 1, a plurality of groups of cooling fins 302 penetrating into a water tank 3 are disposed at a top end of the semiconductor refrigerator 301, cooling water in the water tank 3 is cooled by the semiconductor refrigerator 301, a water injection port 303 penetrating into the water tank 3 is disposed at a bottom of one side of the housing 1, cooling water is conveniently injected into the water tank 3, a water pump 304 is mounted at a side of the housing 1 far away from the water injection port 303, cooling water is conveniently conveyed, a water suction pipe 305 penetrating into the water tank 3 is disposed at a bottom end of the water pump 304, a water inlet pipe 306 penetrating into the oil tank 101 is disposed at a top end of the water pump 304, a cooling pipe 307 is disposed in the oil tank 101 in a spiral manner, and a return pipe 308 penetrating into the water tank 3 is disposed at one end of the cooling pipe 307, so that circulation of the cooling water is realized.

Referring to fig. 1 and 3, the two sides of the bottom of the housing 1 are provided with supporting frames, the bottom ends of the two groups of supporting frames are provided with a plurality of groups of mounting holes, the supporting frames are convenient for supporting the transformer, and the radiating fins 102 are welded with the two ends of the housing 1.

Referring to fig. 1 and 2, a plurality of groups of through holes are formed on the outer sides of the inside of the sealing plate 2 and the fixing plate 103, the fixing bolts 203 are detachably connected with the sealing plate 2 and the fixing plate 103 through the through holes, the fixing bolts 203 can be detached from the sealing plate 2 and the fixing plate 103 through the through holes, the sealing plate 2 is fixedly connected with the fixing plate 103 through the fixing bolts 203, and the sealing plate 2 and the fixing plate 103 can be fixed through the fixing bolts 203.

Please refer to fig. 1 and 3 with emphasis, main body 204 is detachably connected with casing 1 through oil groove 101, and one side of closing plate 2 inside is provided with the mounting hole, and temperature sensor 205 is detachably connected with closing plate 2 through the mounting hole, and the dismouting is carried out to temperature sensor 205 and closing plate 2 through the mounting hole, is convenient for monitor the temperature of transformer oil.

Referring to fig. 1 and 2, two ends of the top of the sealing plate 2 are provided with multiple sets of mounting heads, the high-voltage sleeve 206 and the low-voltage sleeve 207 are detachably connected with the sealing plate 2 through the mounting heads, so as to realize the disassembly and assembly of the high-voltage sleeve 206 and the low-voltage sleeve 207, and through holes are formed in the top ends of the interiors of the high-voltage sleeve 206 and the low-voltage sleeve 207.

Referring to fig. 1 and 3, a plurality of groups of fixing bolts are arranged at the top end of the semiconductor refrigerator 301, the semiconductor refrigerator 301 is detachably connected with the shell 1 through the fixing bolts, the semiconductor refrigerator 301 is fixed at the bottom of the shell 1, and a sealing gasket is arranged between the top end of the semiconductor refrigerator 301 and the shell 1, so that the sealing performance between the semiconductor refrigerator 301 and the shell 1 is better.

Referring to fig. 1 and 3, a sealing cover is disposed at one end of the water filling port 303 away from the water tank 3, a mounting plate is disposed at one side of the housing 1, the water pump 304 is fixedly connected with the housing 1 through the mounting plate, and the water pump 304 is fixed at one side of the housing 1 through the mounting plate.

Referring to fig. 1 and 3, the cooling pipe 307 is connected to the water pump 304 through the water inlet pipe 306, the cooling pipe 307 is connected to the water tank 3 through the return pipe 308, so as to realize recycling of cooling water, and the water pump 304 is connected to the water tank 3 through the water suction pipe 305, so that the cooling water is pumped into the cooling pipe 307.

Working principle: before the transformer is used, the transformer is fixed through the supporting frame, the sealing cover is taken down, cooling water is injected into the water tank 3 through the water injection port 303, the water injection port 303 is sealed through the sealing cover, the cable, the high-voltage sleeve 206 and the low-voltage sleeve 207 are installed, when the transformer is used, the power supply is connected, the cooling water in the water tank 3 is pumped into the water inlet pipe 306 through the water pump 304 and the water suction pipe 305, the cooling water is injected into the cooling pipe 307 through the water inlet pipe 306, the transformer oil in the oil tank 101 is cooled through the cooling pipe 307, the contact area between the cooling pipe 307 and the transformer oil is increased through the spiral arrangement of the cooling pipe 307 in the oil tank 101, so that the transformer oil is rapidly cooled, the cooling efficiency of the transformer oil is improved, the transformer oil is convenient to use, the low temperature is generated through the top end of the semiconductor refrigerator 301, the low temperature is transferred to the cooling plate 302, the temperature of the cooling plate 302 is reduced, the cooling water in the cooling pipe 307 is conveyed into the water tank 3 through the return pipe 308, the low-temperature cooling plate 302 is subjected to low-temperature treatment, the cooling water is kept in the state of the cooling water, the transformer oil is better in the cooling effect, the transformer oil is better in the state, the transformer oil is better in the transformer oil tank 101 is more damaged through the transformer temperature, the transformer is better, the transformer is better in the transformer temperature is better, the transformer is more the transformer is prevented from being damaged, the transformer is more convenient to the transformer, the transformer is more stable, the transformer is easy to be cooled, and the transformer is easy to be damaged, and the temperature is easy to be cooled, and the temperature is easy to be and the temperature, and the is easy to be in the temperature, and the is the temperature is in the temperature, and the is in the temperature.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An energy-saving oil immersed transformer, which is characterized in that: including casing (1), be located closing plate (2) at casing (1) top and be located basin (3) of the inside bottom of casing (1), casing (1) include:

an oil groove (101) arranged at the top end inside the shell (1), and radiating fins (102) are arranged at two ends of the shell (1); and

and a fixing plate (103) arranged at the top of the outer side of the shell (1).

2. An energy efficient oil immersed transformer according to claim 1, characterized in that: the sealing device is characterized in that a sealing groove (201) is formed in the top end of the inside of the shell body (1), a sealing block (202) is arranged at the bottom of the sealing plate (2), a plurality of groups of fixing bolts (203) are arranged on the outer side of the inside of the sealing plate (2), a main body (204) is arranged at the middle position of the bottom of the sealing plate (2), a temperature sensor (205) is arranged at the middle position of one side of the top of the sealing plate (2), a plurality of groups of high-voltage sleeves (206) are arranged at one end of the top of the sealing plate (2), and a plurality of groups of low-voltage sleeves (207) are arranged at one end of the top of the sealing plate (2) far away from the high-voltage sleeves (206).

3. An energy efficient oil immersed transformer according to claim 2, characterized in that: the semiconductor refrigerator (301) is arranged at the middle position of the bottom of the shell (1), a plurality of groups of cooling fins (302) penetrating into the water tank (3) are arranged at the top end of the semiconductor refrigerator (301), a water injection port (303) penetrating into the water tank (3) is arranged at the bottom of one side of the shell (1), a water pump (304) is arranged at one side of the shell (1) away from the water injection port (303), a water suction pipe (305) penetrating into the water tank (3) is arranged at the bottom end of the water pump (304), a water inlet pipe (306) penetrating into the oil tank (101) is arranged at the top end of the water pump (304), a cooling pipe (307) is arranged in the oil tank (101), and the cooling pipe (307) is spirally arranged in the oil tank (101), and a backflow pipe (308) penetrating into the water tank (3) is arranged at one end of the cooling pipe (307).

4. An energy efficient oil immersed transformer according to claim 1, characterized in that: the two sides of the bottom of the shell (1) are provided with supporting frames, the bottom ends of the inside of the two groups of supporting frames are provided with a plurality of groups of mounting holes, and the radiating fins (102) are welded with the two ends of the shell (1).

5. An energy efficient oil immersed transformer according to claim 2, characterized in that: the sealing plate is characterized in that a plurality of groups of through holes are formed in the outer sides of the inside of the sealing plate (2) and the inside of the fixing plate (103), the fixing bolts (203) are detachably connected with the sealing plate (2) and the fixing plate (103) through the through holes, and the sealing plate (2) is fixedly connected with the fixing plate (103) through the fixing bolts (203).

6. An energy efficient oil immersed transformer according to claim 2, characterized in that: the main body (204) is detachably connected with the shell (1) through the oil groove (101), one side of the inside of the sealing plate (2) is provided with a mounting hole, and the temperature sensor (205) is detachably connected with the sealing plate (2) through the mounting hole.

7. An energy efficient oil immersed transformer according to claim 2, characterized in that: the sealing plate is characterized in that multiple groups of mounting heads are arranged at two ends of the top of the sealing plate (2), the high-voltage sleeve (206) and the low-voltage sleeve (207) are detachably connected with the sealing plate (2) through the mounting heads, and through holes are formed in the top ends of the interiors of the high-voltage sleeve (206) and the low-voltage sleeve (207).

8. An energy efficient oil immersed transformer according to claim 3, characterized in that: the top of the semiconductor refrigerator (301) is provided with a plurality of groups of fixing bolts, the semiconductor refrigerator (301) is detachably connected with the shell (1) through the fixing bolts, and a sealing gasket is arranged between the top of the semiconductor refrigerator (301) and the shell (1).

9. An energy efficient oil immersed transformer according to claim 3, characterized in that: one end of the water injection port (303) far away from the water tank (3) is provided with a sealing cover, one side of the shell (1) is provided with a mounting plate, and the water pump (304) is fixedly connected with the shell (1) through the mounting plate.

10. An energy efficient oil immersed transformer according to claim 3, characterized in that: the cooling pipe (307) is communicated with the water pump (304) through the water inlet pipe (306), the cooling pipe (307) is communicated with the water tank (3) through the return pipe (308), and the water pump (304) is communicated with the water tank (3) through the water suction pipe (305).