High-sealing-performance oil-immersed transformer

By designing the filter mesh and limit structure in the oil-immersed transformer, the problem of degradation of insulation capacity caused by the accumulation of impurities in the insulation oil is solved, efficient filtration and convenient replacement of insulation oil are achieved, and the service life of the transformer is extended.

CN223296623UActive Publication Date: 2025-09-02JIANGSU ZHIYUAN ELECTRIC CO LTD
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Patent Information

Application Number
CN202422398793.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-09-02
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

During the use of existing oil-immersed transformers, the insulation oil in the oil tank accumulates impurities due to long-term use, which weakens the insulation capacity and affects the service life.

Method used

A high-sealing oil-immersed transformer is designed, which adopts a combined structure of filter mesh, raised blocks, grooves, clamp slots, latches, sliders, slides, springs, pull rings, limit blocks and limit slots. The insulating oil is filtered and adsorbed through the filter mesh, and combined with the engagement of limit blocks and limit slots, the filter mesh can be easily replaced.

Benefits of technology

Effectively reduce impurities in insulating oil, improve insulation effect, extend the service life of insulating oil, and extend the service life of transformers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high leakproofness oil-immersed transformer relates to oil-immersed transformer technical field, including oil tank, the top end of oil tank is equipped with the tank cover, the bottom end of tank cover is equipped with the mounting seat 1, the peripheral side of the bottom end of mounting seat 1 is equipped with the protruding block, the inside of oil tank is equipped with the oil groove, and the oil groove is equipped with the oil tank. A filter screen is placed in the oil groove, a dismounting and mounting assembly is installed at the top end of the filter screen, and the top end of the filter screen is connected with the protruding block through the dismounting and mounting assembly. The device solves the problems that in the using process of an existing oil-immersed transformer, due to the fact that impurities can be accumulated on insulating oil in an oil tank under the long-term using condition, the insulating capacity is easily weakened due to impurity accumulation, the service life of the insulating oil is shortened, and meanwhile the service life of the transformer is affected.
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Description

Technical Field

[0001] The utility model belongs to the technical field of oil-immersed transformers, and more specifically, relates to a high-sealing oil-immersed transformer. Background Art

[0002] An oil-immersed transformer is a common type of power transformer. Its core components typically consist of windings and an iron core, which are immersed in insulating oil. This oil, typically mineral oil, primarily provides insulation and cooling. Oil-immersed transformers typically have an oil tank filled with insulating oil. The oil not only provides electrical insulation between the windings and the iron core but also absorbs and conducts heat generated during operation, effectively cooling the transformer and preventing overheating and damage.

[0003] Based on the above, the inventors have discovered the following problem: during the use of existing oil-immersed transformers, the insulating oil in the oil tank will accumulate impurities under long-term use. The accumulation of impurities can easily lead to a weakening of the insulation ability, shortening the service life of the insulating oil and affecting the service life of the transformer.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a high-sealing oil-immersed transformer is provided to achieve the purpose of having greater practical value. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a highly sealed oil-immersed transformer to solve the problem that during the use of existing oil-immersed transformers, the insulating oil in the oil tank will accumulate impurities under long-term use. The accumulation of impurities easily leads to a weakening of the insulation ability, shortening the service life of the insulating oil and affecting the service life of the transformer.

[0006] The purpose and effect of the high-sealing oil-immersed transformer of the utility model are achieved by the following specific technical means:

[0007] A highly sealed oil-immersed transformer comprises an oil tank, a tank cover is mounted on the top of the oil tank, a mounting seat 1 is mounted on the bottom of the tank cover, a raised block is mounted on the circumference of the bottom end of the mounting seat 1, an oil tank is provided inside the oil tank, a filter is placed inside the oil tank, a disassembly assembly is mounted on the top of the filter, and the top of the filter is connected to the raised block via the disassembly assembly.

[0008] Furthermore, the disassembly and assembly component includes a mounting seat 2, a groove is provided at the top of the mounting seat 2, the peripheral side of the protruding block matches the inside of the groove, a pair of card slots are provided on both sides of the protruding block, a pair of through slots are provided on both sides of the mounting seat 2, a pin is installed inside the through slot, and the peripheral side of the pin matches the inside of the card slot.

[0009] Furthermore, a sliding groove is provided on the peripheral side of the through groove, a slider is installed on the peripheral side of the latch, a spring is installed on one side of the slider, the spring is slidably connected to the latch, and the peripheral side of the slider matches the inside of the sliding groove.

[0010] Furthermore, a pull ring is installed at one end of the latch, and one end of the latch is a spherical surface.

[0011] Furthermore, a pair of limiting blocks are provided on both sides of the protruding block, and a pair of limiting grooves are provided on both sides of the groove, and the circumference of the limiting blocks matches the interior of the limiting grooves.

[0012] Furthermore, the bottom end of the box cover is connected to a voltage transformation mechanism through a connecting rod.

[0013] Furthermore, a pair of support frames are installed at the bottom of the oil tank.

[0014] Furthermore, a plurality of heat dissipation mechanisms are installed on the peripheral side of the oil tank.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] Through the coordinated use of the filter, the protruding block, the groove, the card slot, the latch, the slider, the slide groove, the spring, the pull ring, the limit block and the limit groove, the filter filters and absorbs the insulating oil in the oil tank, which can reduce the flow of impurities in the insulating oil and improve the insulation effect of the insulating oil. The limit block and the limit groove are engaged with each other to limit the protruding block and the groove to prevent the protruding block from sliding. At this time, the protruding block fits the groove, and the latch extends to the inside of the card slot under the elastic force of the spring, connecting the mounting seat 2 with the protruding block. By dragging the pull ring, the slider moves in the slide groove, and the filter can be removed. The slider can be reset by the elastic force of the spring, which is convenient for installation and improves the efficiency of replacing the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a three-dimensional schematic diagram of a high-sealing oil-immersed transformer.

[0018] Figure 2 The utility model is a schematic diagram of an explosion of a high-sealing oil-immersed transformer filter screen.

[0019] Figure 3The utility model is a schematic cross-sectional view of a through slot of a high-sealing oil-immersed transformer.

[0020] Figure 4 The utility model is a schematic diagram of a partial explosion of a high-sealing oil-immersed transformer limit block.

[0021] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0022] 1. Fuel tank; 2. Tank cover; 3. Support frame; 4. Transformer mechanism; 5. Protrusion; 6. Mounting seat 2; 7. Filter; 8. Oil tank; 9. Groove; 10. Limiting groove; 11. Limiting block; 12. Through groove; 13. Latch; 14. Slider; 15. Spring; 16. Slide; 17. Slot; 18. Mounting seat 1; 19. Pull ring; 20. Heat dissipation mechanism. DETAILED DESCRIPTION

[0023] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] Example:

[0027] As attached Figure 1 To the attached Figure 4 As shown:

[0028] The utility model provides a high-sealing oil-immersed transformer, comprising an oil tank 1, a tank cover 2 being mounted on the top of the oil tank 1, a mounting seat 18 being mounted on the bottom end of the tank cover 2, a raised block 5 being mounted on the circumferential side of the bottom end of the mounting seat 18, an oil tank 8 being provided inside the oil tank 1, a filter screen 7 being placed inside the oil tank 8, a disassembly assembly being mounted on the top end of the filter screen 7, the top end of the filter screen 7 being connected to the raised block 5 via the disassembly assembly, and the insulating oil in the oil tank 1 being filtered and adsorbed by the filter screen 7, thereby reducing the flow of impurities in the insulating oil and improving the insulating capacity of the insulating oil.

[0029] Among them, the disassembly and assembly component includes a mounting seat 2 6, the top of the mounting seat 2 6 is provided with a groove 9, the peripheral side of the protruding block 5 matches the inside of the groove 9, and a pair of card slots 17 are provided on both sides of the protruding block 5. A pair of through slots 12 are provided on both sides of the mounting seat 2 6, and a latch 13 is installed inside the through slot 12. The peripheral side of the latch 13 matches the inside of the card slot 17. Through the coordination between the protruding block 5, the groove 9, the card slot 17 and the latch 13, the protruding block 5 is fitted with the groove 9, and the latch 13 extends to the inside of the card slot 17 under the elastic force of the spring 15, connecting the mounting seat 2 6 with the protruding block 5, and pulling the latch 13 can remove the filter 7.

[0030] Among them, a slide groove 16 is provided on the peripheral side of the through groove 12, a slider 14 is installed on the peripheral side of the latch 13, and a spring 15 is installed on one side of the slider 14. The spring 15 is slidably connected to the latch 13, and the peripheral side of the slider 14 matches the inside of the slide groove 16. Through the cooperation between the slider 14, the slide groove 16 and the spring 15, the slider 14 can be reset by the elastic force of the spring 15. The slider 14 moves in the slide groove 16, driving one end of the latch 13 to move to the inside of the slot 17, which is convenient for installation.

[0031] A pull ring 19 is installed at one end of the latch 13 . One end of the latch 13 is spherical, which makes it easy for the latch 13 to extend into the slot 17 during movement, and the latch 13 is dragged by the pull ring 19 .

[0032] Among them, a pair of limit blocks 11 are provided on both sides of the protruding block 5, and a pair of limit grooves 10 are provided on both sides of the groove 9. The circumferential side of the limit block 11 matches the interior of the limit groove 10. Through the engagement of the limit block 11 and the limit groove 10, the protruding block 5 and the groove 9 can be limited to prevent the protruding block 5 from sliding.

[0033] The bottom end of the box cover 2 is connected to a voltage transformation mechanism 4 via a connecting rod.

[0034] A pair of support frames 3 are installed at the bottom of the oil tank 1 .

[0035] A plurality of heat dissipation mechanisms 20 are installed on the peripheral side of the oil tank 1 .

[0036] The specific usage and function of this embodiment are as follows:

[0037] 17, and the cam 14 is moved in the direction of rotation from the top of the support 14 to the bottom of the support 15. When the cam 14 is in the direction of rotation, the cam 14 is moved in the direction of rotation from the top of the support 14 to the bottom of the support 15. When the cam 14 is in the direction of rotation, the cam 14 is moved in the direction of rotation from the top of the support 14 to the bottom of the support 15. When the cam 14 is in the direction of rotation, the cam 14 is moved in the direction of rotation from the top of the support 14 to the bottom of the support 15.

[0038] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A highly sealed oil-immersed transformer, comprising an oil tank (1), characterized in that: The top of the oil tank (1) is mounted with a tank cover (2), the bottom of the tank cover (2) is mounted with a mounting seat (18), the bottom of the mounting seat (18) is mounted with a raised block (5), an oil tank (8) is provided inside the oil tank (1), a filter (7) is placed inside the oil tank (8), a disassembly assembly is mounted on the top of the filter (7), and the top of the filter (7) is connected to the raised block (5) via the disassembly assembly.

2. A highly sealed oil-immersed transformer according to claim 1, characterized in that: The disassembly assembly comprises a second mounting seat (6), a top end of the second mounting seat (6) is provided with a groove (9), the peripheral side of the protruding block (5) matches the inside of the groove (9), a pair of clamping grooves (17) are provided on both sides of the protruding block (5), a pair of through grooves (12) are provided on both sides of the second mounting seat (6), a latch (13) is installed inside the through groove (12), and the peripheral side of the latch (13) matches the inside of the clamping groove (17).

3. A highly sealed oil-immersed transformer according to claim 2, characterized in that: A sliding groove (16) is provided on the peripheral side of the through groove (12), a slider (14) is installed on the peripheral side of the latch (13), a spring (15) is installed on one side of the slider (14), the spring (15) is slidably connected to the latch (13), and the peripheral side of the slider (14) matches the inside of the sliding groove (16).

4. A highly sealed oil-immersed transformer according to claim 3, characterized in that: One end of the latch (13) is provided with a pull ring (19), and one end of the latch (13) is a spherical surface.

5. A highly sealed oil-immersed transformer according to claim 4, characterized in that: A pair of limiting blocks (11) are provided on both sides of the protruding block (5), and a pair of limiting grooves (10) are provided on both sides of the groove (9), and the circumference of the limiting blocks (11) matches the interior of the limiting grooves (10).

6. The high-sealing oil-immersed transformer according to claim 1, characterized in that: The bottom end of the box cover (2) is connected to a voltage conversion mechanism (4) via a connecting rod.

7. The high-sealing oil-immersed transformer according to claim 1, characterized in that: A pair of support frames (3) are installed at the bottom of the oil tank (1).

8. The high-sealing oil-immersed transformer according to claim 1, characterized in that: A plurality of heat dissipation mechanisms (20) are installed on the peripheral side of the oil tank (1).