CN212434429U - High-efficient radiating oil-immersed power transformer casing - Google Patents

High-efficient radiating oil-immersed power transformer casing Download PDF

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Publication number
CN212434429U
CN212434429U CN202021536388.4U CN202021536388U CN212434429U CN 212434429 U CN212434429 U CN 212434429U CN 202021536388 U CN202021536388 U CN 202021536388U CN 212434429 U CN212434429 U CN 212434429U
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casing
oil
heat dissipation
radiating
oil tank
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CN202021536388.4U
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Chinese (zh)
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陈雪峰
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Hubei Hancheng Electrical Co ltd
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Hubei Hancheng Electrical Co ltd
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Abstract

The utility model discloses a high-efficient radiating oil-immersed power transformer casing relates to power transformer technical field, for solving the relatively poor problem of current oil-immersed power transformer casing radiating effect. The utility model discloses a radiator, including casing, circulating pump, inlet pipe, check valve, heat dissipation corrugated sheet, fan, base, buffering post, the rear end of casing is provided with the oil tank, the circulating pump is installed to the upper end of oil tank, install into oil pipe between circulating pump and the casing, the intermediate position department that advances oil pipe installs the check valve, the inside of oil tank is provided with the filter screen, the below of oil tank is provided with the coiled pipe, the outside of coiled pipe is provided with the radiating ring, the front end of casing is provided with the heat dissipation corrugated sheet, the externally mounted of heat dissipation corrugated sheet has the mount, the internally mounted of heat dissipation corrugated sheet has the fan, the bottom of casing is provided with the base, be provided with the buffering post between base.

Description

High-efficient radiating oil-immersed power transformer casing
Technical Field
The utility model relates to a power transformer technical field specifically is a high-efficient radiating oil-immersed power transformer casing.
Background
Oil-immersed power transformers are important components of power substations, are generally installed in separate transformer rooms, rely on oil as a cooling medium, such as oil-immersed self-cooling, oil-immersed air cooling, oil-immersed water cooling, forced oil circulation and the like, oil-immersed transformers adopt a fully-oil-filled sealed type, an oil tank shell is a permanently sealed oil tank by adapting to the expansion of oil through elasticity of the oil tank shell, and the oil-immersed transformers are widely applied to various power distribution equipment.
However, the existing oil-immersed power transformer shell is single in heat dissipation structure, the installation environment changes at the same time due to the fact that the temperature changes randomly and seasonally, heat dissipation burden is large during high temperature, and accidents are prone to being caused after long-time use, so that the existing requirements are not met, and the oil-immersed power transformer shell capable of dissipating heat efficiently is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient radiating oil-immersed power transformer casing to solve the relatively poor problem of oil-immersed power transformer casing radiating effect who provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an oil-immersed power transformer shell capable of efficiently dissipating heat comprises a shell, wherein an oil tank is arranged at the rear end of the shell, a circulating pump is installed at the upper end of the oil tank, an oil inlet pipe is installed between the circulating pump and the shell, a one-way valve is installed at the middle position of the oil inlet pipe, two filter screens are arranged inside the oil tank, a coiled pipe is arranged below the oil tank, the lower end of the coiled pipe extends into the shell, a heat dissipation ring is arranged outside the coiled pipe and is provided with a plurality of heat dissipation rings, the heat dissipation rings are sequentially distributed, heat dissipation corrugated sheets are arranged at the front end of the shell and are provided with a plurality of heat dissipation corrugated sheets, a fixing frame is installed outside the heat dissipation corrugated sheets, fans are installed inside the heat dissipation corrugated sheets, the fans are provided with two fans, and the fans are symmetrically distributed on the axis of, the bottom of casing is provided with the base, be provided with the bumping post between base and the casing, the internally mounted of casing has the wire winding group, the top of casing is provided with high-low pressure sleeve pipe.
Preferably, the circulating pump is connected with the oil tank in a sealing manner, the oil inlet pipe is connected with the shell and the circulating pump in a sealing manner, and the one-way valve is connected with the oil inlet pipe in a sealing manner.
Preferably, the coiled pipe is connected with the shell and the oil tank in a sealing mode, and the heat dissipation ring is connected with the coiled pipe in a welding mode.
Preferably, the filter screen is fixedly connected with the oil tank.
Preferably, the radiating corrugated sheet is fixedly connected with the shell through a fixing frame, the radiating corrugated sheet is attached to the shell, and the fan is fixed with the fixing frame through bolts.
Preferably, the internally mounted of cushion column has flexible post, and the upper end of flexible post extends to the top of cushion column, the upper end and the casing fixed connection of flexible post, install the spring between cushion column and the flexible post.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a lower extreme at the oil tank is provided with the coiled pipe, in the use, under the effect of circulating pump, pour the inside oil body of casing into to the oil tank through advancing oil pipe, in the coiled pipe of rethread oil tank below gets into the time casing, the length of coiled pipe is longer and be the bending type, save space under the prerequisite of guaranteeing length, thereby provide certain space for the oil body tentatively dispels the heat, outside cover through the coiled pipe has the cooling ring, the cooling ring is the design of opening, the in-process heat that the oil body flows is leading-in to the cooling ring on, and the outside and the air of cooling ring contact, form the heat transfer, thereby discharge the heat of oil body gradually, through mutually supporting between a plurality of cooling rings, the holistic radiating effect has been improved.
2. The utility model discloses a be provided with the heat dissipation corrugated sheet at the front end of casing, the heat dissipation corrugated sheet is laminated with the casing mutually, the heat dissipation corrugated sheet is the metal material, the heat conductivity is strong, during the use, heat dissipation corrugated sheet on a large scale can conduct the heat in the casing, simultaneously at heat dissipation corrugated sheet internally mounted have two fans, through opening the fan, the fan can discharge with higher speed the leading-in heat of heat dissipation corrugated sheet, and then avoid the high temperature to stop for a long time between the heat dissipation corrugated sheet, guarantee holistic radiating efficiency.
3. The utility model discloses a be provided with two-layer filter screen in the inside of oil tank, under the effect of circulating pump and check valve, avoid the backward flow when carrying the oil body, can carry out the separation with the impurity in the oil body when the filter screen, guarantee that the oil body that the circulation got into the casing keeps pure state.
4. The utility model discloses an install the buffering post between casing and base, the inside of buffering post is provided with flexible post for support the casing, install the spring simultaneously between flexible post and buffering post, the cooperation of mutually of a plurality of springs provides certain flexible space for flexible post, when the casing bumps, can cushion the power of colliding under the elastic deformation of spring, thereby protected the casing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an overall front view of the present invention;
FIG. 3 is a schematic view of the structure of the serpentine pipe of the present invention;
fig. 4 is a schematic view of the structure of the buffer column of the present invention.
In the figure: 1. a housing; 2. an oil tank; 3. an oil inlet pipe; 4. a one-way valve; 5. a circulation pump; 6. a filter screen; 7. a serpentine tube; 8. a heat dissipating corrugated sheet; 9. a fixed mount; 10. a buffer column; 11. a base; 12. a fan; 13. a heat dissipation ring; 14. a telescopic column; 15. a spring; 16. winding; 17. and a high-low pressure sleeve.
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. 1-4, the present invention provides an embodiment: an oil immersed power transformer shell with high-efficiency heat dissipation comprises a shell 1, an oil tank 2 is arranged at the rear end of the shell 1, a circulating pump 5 is installed at the upper end of the oil tank 2, an oil inlet pipe 3 is installed between the circulating pump 5 and the shell 1, a one-way valve 4 is installed at the middle position of the oil inlet pipe 3, a filter screen 6 is arranged inside the oil tank 2, two filter screens 6 are arranged, a coiled pipe 7 is arranged below the oil tank 2, the lower end of the coiled pipe 7 extends into the shell 1, a plurality of heat dissipation rings 13 are arranged outside the coiled pipe 7, the heat dissipation rings 13 are sequentially distributed, heat dissipation corrugated sheets 8 are arranged at the front end of the shell 1, a plurality of heat dissipation corrugated sheets 8 are arranged, a fixing frame 9 is installed outside the heat dissipation corrugated sheets 8, a fan 12 is installed inside the heat dissipation corrugated sheets 8, two fans 12 are installed, and the fans 12 are symmetrically distributed about the, the bottom of casing 1 is provided with base 11, is provided with bumping post 10 between base 11 and the casing 1, and the internally mounted of casing 1 has winding group 16, and the top of casing 1 is provided with high-low pressure sleeve pipe 17.
Further, circulating pump 5 and oil tank 2 sealing connection, advance oil pipe 3 and casing 1 and circulating pump 5 sealing connection, check valve 4 with advance oil pipe 3 sealing connection, under circulating pump 5 and check valve 4's effect, avoid the backward flow when carrying the oil body.
Further, the coiled pipe 7 is connected with the shell 1 and the oil tank 2 in a sealing mode, the heat dissipation ring 13 is connected with the coiled pipe 7 in a welding mode, the heat dissipation ring 13 is in an opening design, heat is conducted to the heat dissipation ring 13 in the flowing process of the oil body, the outer portion of the heat dissipation ring 13 is in contact with air, heat exchange is formed, and therefore the heat of the oil body is gradually discharged.
Further, filter screen 6 and oil tank 2 fixed connection, filter screen 6 can carry out the separation with the impurity in the oil body, guarantees that the oil body that the circulation got into casing 1 keeps pure state.
Further, heat dissipation corrugated sheet 8 passes through mount 9 fixed connection with casing 1, and heat dissipation corrugated sheet 8 laminates with casing 1 mutually, and fan 12 passes through the bolt fastening with mount 9, and fan 12 can accelerate the discharge to the leading-in heat of heat dissipation corrugated sheet 8, and then avoids high temperature to stop for a long time between heat dissipation corrugated sheet 8, guarantees holistic radiating efficiency.
Further, the internally mounted of cushion column 10 has flexible post 14, and the upper end of flexible post 14 extends to the top of cushion column 10, the upper end and the 1 fixed connection of casing of flexible post 14, install spring 15 between cushion column 10 and the flexible post 14, mutually supporting of a plurality of springs 15 provides certain flexible space for flexible post 14, when casing 1 bumps, can cushion the collision force under spring 15's elastic deformation to casing 1 has been protected.
The working principle is as follows: when in use, under the action of the circulating pump 5, the oil body in the shell 1 is poured into the oil tank 2 through the oil inlet pipe 3, two layers of filter screens 6 are arranged in the oil tank 2, impurities in the oil body can be separated when the oil body passes through the filter screens 6, then the oil body enters the shell 1 through the coil pipe 7 below the oil tank 2, the coil pipe 7 is long and bent, the space is saved on the premise of ensuring the length, so that a certain space is provided for the preliminary heat dissipation of the oil body, the heat dissipation ring 13 is sleeved outside the coil pipe 7, the heat dissipation ring 13 is in an open design, the heat is guided onto the heat dissipation ring 13 in the flowing process of the oil body, the outside of the heat dissipation ring 13 is in contact with air to form heat exchange, so that the heat of the oil body is gradually discharged, the overall heat dissipation effect is improved through the mutual matching among the heat dissipation rings 13, and meanwhile, the heat dissipation corrugated fins 8 are arranged at the front end of the, radiating corrugated sheet 8 and casing 1 laminate mutually, radiating corrugated sheet 8 is the metal material, the heat conductivity is strong, during the use, radiating corrugated sheet 8 on a large scale can conduct the heat in the casing 1, 8 internally mounted have two fans 12 at radiating corrugated sheet simultaneously, through opening fan 12, fan 12 can accelerate the discharge to the leading-in heat of radiating corrugated sheet 8, and then avoid high temperature to stop for a long time between radiating corrugated sheet 8, guarantee holistic radiating efficiency.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (6)

1. The utility model provides a high-efficient radiating oil-immersed power transformer casing, includes casing (1), its characterized in that: the rear end of the shell (1) is provided with an oil tank (2), a circulating pump (5) is installed at the upper end of the oil tank (2), an oil inlet pipe (3) is installed between the circulating pump (5) and the shell (1), a one-way valve (4) is installed at the middle position of the oil inlet pipe (3), a filter screen (6) is arranged inside the oil tank (2), two filter screens (6) are arranged, a coiled pipe (7) is arranged below the oil tank (2), the lower end of the coiled pipe (7) extends into the shell (1), a plurality of radiating rings (13) are arranged outside the coiled pipe (7), a plurality of radiating rings (13) are arranged, the radiating rings (13) are distributed in sequence, a radiating corrugated fin (8) is arranged at the front end of the shell (1), a plurality of radiating corrugated fins (8) are arranged, a fixing frame (9) is installed outside the radiating corrugated fin (8), the utility model discloses a fan, including heat dissipation corrugated sheet (8), fan (12) are installed two, and fan (12) are about casing (1) axis symmetric distribution, the bottom of casing (1) is provided with base (11), be provided with between base (11) and casing (1) cushion column (10), the internally mounted of casing (1) has wire winding group (16), the top of casing (1) is provided with high-low pressure sleeve pipe (17).
2. An oil-filled power transformer casing with efficient heat dissipation according to claim 1, characterized in that: circulating pump (5) and oil tank (2) sealing connection, advance oil pipe (3) and casing (1) and circulating pump (5) sealing connection, check valve (4) and advance oil pipe (3) sealing connection.
3. An oil-filled power transformer casing with efficient heat dissipation according to claim 1, characterized in that: the coiled pipe (7) is connected with the shell (1) and the oil tank (2) in a sealing mode, and the heat dissipation ring (13) is connected with the coiled pipe (7) in a welding mode.
4. An oil-filled power transformer casing with efficient heat dissipation according to claim 1, characterized in that: the filter screen (6) is fixedly connected with the oil tank (2).
5. An oil-filled power transformer casing with efficient heat dissipation according to claim 1, characterized in that: the radiating corrugated sheet (8) is fixedly connected with the shell (1) through a fixing frame (9), the radiating corrugated sheet (8) is attached to the shell (1), and the fan (12) is fixed with the fixing frame (9) through bolts.
6. An oil-filled power transformer casing with efficient heat dissipation according to claim 1, characterized in that: the utility model discloses a buffer column, including buffer column (10), the internally mounted of buffer column (10) has flexible post (14), and the upper end of flexible post (14) extends to the top of buffer column (10), the upper end and casing (1) fixed connection of flexible post (14), install spring (15) between buffer column (10) and flexible post (14).
CN202021536388.4U 2020-07-30 2020-07-30 High-efficient radiating oil-immersed power transformer casing Active CN212434429U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021536388.4U CN212434429U (en) 2020-07-30 2020-07-30 High-efficient radiating oil-immersed power transformer casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021536388.4U CN212434429U (en) 2020-07-30 2020-07-30 High-efficient radiating oil-immersed power transformer casing

Publications (1)

Publication Number Publication Date
CN212434429U true CN212434429U (en) 2021-01-29

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CN202021536388.4U Active CN212434429U (en) 2020-07-30 2020-07-30 High-efficient radiating oil-immersed power transformer casing

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112802660A (en) * 2021-04-06 2021-05-14 国网山东省电力公司昌邑市供电公司 Oil-immersed transformer and transformer temperature control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112802660A (en) * 2021-04-06 2021-05-14 国网山东省电力公司昌邑市供电公司 Oil-immersed transformer and transformer temperature control system

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