Oil conservator for transformer

By introducing a convenient venting assembly, an anti-detachment airbag assembly, and a display assembly into the transformer oil conservator, the problem of inconvenient venting in the prior art has been solved, enabling rapid venting and real-time oil level monitoring, thus improving the convenience and reliability of operation.

CN224020579UActive Publication Date: 2026-03-20JIANGXI FOSI NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing transformer oil tank requires the sealing plug to be removed during venting, which makes the venting operation inconvenient.

Method used

An oil conservator for transformers has been designed, comprising a convenient venting component, an anti-detachment airbag component, and a display component. The convenient venting component enables rapid venting, the anti-detachment airbag component prevents the airbag from falling off, and the display component monitors changes in oil level.

Benefits of technology

It enables convenient venting operations, prevents airbags from detaching, and allows for real-time monitoring of oil level changes, improving ease of use and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of transformer devices, and discloses an oil pillow for a transformer, which comprises a tank body assembly, an anti-falling air bag assembly is mounted on the inner side of the tank body assembly, convenient exhaust assemblies are mounted on two sides of the top of the tank body assembly, and a display assembly is mounted on one side of the bottom of the tank body assembly. The tail end of the display assembly is connected to the top of one side of the can body assembly, and the top of the anti-falling air bag assembly is installed on the top of the can body assembly through the connecting assembly. According to the exhaust device, the convenient exhaust assembly is installed on the exhaust device, when the exhaust device is used, the convenient and adjustable exhaust working effect can be provided through the convenient exhaust assembly during exhaust of the exhaust device, and therefore the exhaust device is more flexible and convenient to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of transformer device, concretely is an oil pillow for transformer. BACKGROUND

[0002] The oil pillow for transformer (also called as oil storage tank or expansion oil tank) is an important component of the transformer, mainly used for adjusting the volume change of the transformer oil, ensuring the normal operation of the transformer, and the transformer oil bears the insulation and cooling functions in the transformer. With the change of the load and the ambient temperature, the volume of the oil will expand or shrink, and the oil pillow is used for adjusting these changes to prevent the internal pressure fluctuation. With the technological progress, the design of the oil pillow is continuously improved, and the modern oil pillow pays more attention to the sealing and automation. The rubber diaphragm oil pillow: the oil is isolated from the air through the rubber diaphragm to reduce the oxidation and pollution. The intelligent oil pillow: the sensor and the monitoring system are integrated to monitor the oil level, temperature and other parameters in real time, and the operation reliability is improved.

[0003] The application number CN202020006277.6 discloses an oil pillow for transformer oil tank, belonging to the technical field of transformer oil tank processing, which comprises a material cylinder closed at both ends, a material pipe communicated with the oil tank is fixed at the bottom of the material cylinder, and an air pipe communicated with the outside is fixed at the top of the material cylinder. A drying mechanism is arranged in the air pipe. The drying mechanism comprises a carrier box detachably connected in the air pipe, the carrier box is used for placing water absorbing resin, a cover plate is arranged at the top of the carrier box, and mesh holes are formed in the cover plate and the bottom of the carrier box. The utility model has the effect of reducing water entering the oil tank. However, the device needs to be pulled out for exhaust when exhaust is needed during use, which is not flexible. UTILITY MODEL CONTENTS

[0004] The purpose of the present application is to provide an oil pillow for transformer, which solves the problem of not being flexible in exhaust work when exhaust is needed during use.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model discloses an oil pillow for transformer, which comprises a tank body assembly, a deaeration prevention bag assembly is installed on the inner side of the tank body assembly, convenient exhaust assemblies are installed on the top of both sides of the tank body assembly, and a display assembly is installed on one side of the bottom of the tank body assembly.

[0007] The convenient exhaust assembly includes an exhaust socket connected to the top of the oil pillow body, a connecting stud installed on the inner side of the exhaust socket, a silica gel coating connected to the outer side of the connecting stud, and an air outlet formed on the periphery of the connecting stud, and a knob connected to the top of the connecting stud.

[0008] Further, the tank body assembly includes an oil pillow body, one side of the bottom of the oil pillow body is connected with a through pipe, and the other side of the bottom of the oil pillow body is provided with an oil guide outlet.

[0009] Further, the connecting assembly includes a mounting socket connected to the middle of the top of the oil pillow body, and a fixing nut installed on the top of the mounting socket, and the inner side of the fixing nut is provided with a pressing pipe.

[0010] Further, the anti-dropping air bag assembly includes an air bag bag installed in the inside of the oil pillow body, and the top of the air bag bag is connected with a silica gel sleeve, the silica gel sleeve is fixed between the fixing nut and the mounting socket through the pressing pipe, and the top of the silica gel sleeve is connected with a connecting pipe, and the end of the connecting pipe is connected with a respirator.

[0011] Further, the display assembly includes an oil pressure bag connected to the bottom of the oil guide outlet, and the bottom of the oil pressure bag is installed with an oil guide pipe, and the middle of the oil guide pipe is installed with a scale glass bottle, and the middle of the scale glass bottle is installed with a floating ball.

[0012] Further, the outer wall of the air bag bag is installed with a limiting buckle, the inside of the limiting buckle is correspondingly installed with a limiting hook, and the limiting hook is connected to the inner wall of the oil pillow body.

[0013] The utility model has the following beneficial effects:

[0014] (1) The oil pillow for transformer has the convenient exhaust assembly installed on the device, so that when the device is used, the convenient and adjustable exhaust effect is provided when the device is exhausted through the convenient exhaust assembly, so that the device is more convenient to use.

[0015] (2) The oil pillow for transformer has the connecting assembly installed on the device, so that when the device is used, the anti-dropping air bag assembly can be fixed through the connecting assembly, so that the air bag is prevented from falling off during use, and the work is not affected.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0018] Figure 1 The whole structure schematic diagram of the oil pillow for the transformer of the present application is shown in the figure.

[0019] Figure 2 The convenient exhaust assembly structure schematic diagram of the oil pillow for the transformer of the present application is shown in the figure.

[0020] Figure 3 The unfolded structure schematic diagram of the oil pillow for the transformer of the present application is shown in the figure.

[0021] Figure 4 The Figure 3 The enlarged schematic diagram of the structure of part A is shown in the figure.

[0022] In the drawings, the component list represented by each number is as follows:

[0023] In the figure: 1, tank body assembly; 2, connecting assembly; 3, anti-gas bag assembly; 4, convenient exhaust assembly; 5, display assembly; 101, oil pillow body; 102, through pipe; 103, oil guide outlet; 201, mounting screw; 202, fixing nut; 203, pressed pipe opening; 301, air bag bag; 302, silica gel sleeve opening; 303, connecting pipe; 304, respirator; 401, exhaust screw; 402, connecting stud; 403, silica gel cladding; 404, air outlet; 405, knob; 501, oil pressure bag; 502, oil guide pipe; 503, graduated glass bottle; 504, floating ball; 3011, limit buckle; 3012, limit hook. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] Please refer to Figures 1-4As shown, the utility model is a kind of oil pillow for transformer, including jar body assembly 1, the inside installation of jar body assembly 1 has anti-gas loss bag assembly 3, and the top of jar body assembly 1 both sides is equipped with convenient exhaust component 4, simultaneously, the bottom of jar body assembly 1 one side is equipped with display component 5, and the end of display component 5 is connected in the top of one side of jar body assembly 1, and the top of anti-gas loss bag assembly 3 is installed in the top of jar body assembly 1 by connecting component 2;

[0026] Convenient exhaust component 4 includes exhaust screw mouth 401, and exhaust screw mouth 401 is connected in the top of oil pillow body 101, and the inside of exhaust screw mouth 401 is equipped with connecting stud 402, and the outside of connecting stud 402 is connected with silica gel cladding 403, and the periphery of connecting stud 402 is equipped with gas outlet 404, simultaneously, the top of connecting stud 402 is connected with knob 405, and convenient exhaust component 4 is installed in the top of oil pillow, for discharging the gas accumulated in the inside of oil pillow, when the gas pressure in the inside of oil pillow is too high, can be opened exhaust screw mouth 401 by rotating knob 405, and gas is discharged from gas outlet 404, and silica gel cladding 403 ensures that the sealing property is good during exhaust process, prevents oil leakage.

[0027] By installing convenient exhaust component 4 on the device, when using the device, the convenient and adjustable exhaust effect is provided when the device is exhausted by convenient exhaust component 4, so that it is more convenient when using.

[0028] Jar body assembly 1 includes oil pillow body 101, and the bottom one side of oil pillow body 101 is connected with through pipe 102, and the bottom other side of oil pillow body 101 is equipped with oil guide outlet 103, and jar body assembly 1 includes oil pillow body 101, through pipe 102 and oil guide outlet 103, through pipe 102 is used to connect transformer body, ensures that oil flows freely between transformer and oil pillow, and oil guide outlet 103 is connected with display component 5, and oil level change is transmitted to display component.

[0029] Connecting component 2 includes mounting screw mouth 201, and mounting screw mouth 201 is connected in the top of oil pillow body 101, and the top of mounting screw mouth 201 is equipped with fixed nut 202, and the inside of fixed nut 202 is equipped with pressing pipe 203.

[0030] The anti-falling air bag assembly 3 comprises an air bag bag 301 mounted in the inside of the oil pillow body 101, and the top of the air bag bag 301 is connected with a silica gel sleeve 302, the silica gel sleeve 302 is fixed between the fixed nut 202 and the installation sleeve 201 through the pressing pipe 203, and the top of the silica gel sleeve 302 is connected with a connecting pipe 303, the end of the connecting pipe 303 is connected with a breather 304, the anti-falling air bag assembly 3 is installed in the oil pillow, and the air bag bag 301 is connected with the external breather 304, when the temperature of the transformer oil rises, the oil volume expands, the oil pressure in the oil pillow increases, the air bag bag 301 is compressed, the internal air is discharged through the connecting pipe 303 and the breather 304, and the pressure is released, when the temperature of the oil decreases, the oil volume shrinks, the negative pressure is formed in the oil pillow, the external air enters the air bag bag 301 through the breather 304 and the connecting pipe 303, the air bag bag expands, the space reduced by the oil volume is filled, and the air directly entering the inside of the oil pillow is prevented, the design of the limiting buckle 3011 and the limiting hook 3012 ensures that the air bag bag 301 remains stable in the inside of the oil pillow, and the air bag bag is prevented from falling off or displacement.

[0031] The display assembly 5 comprises an oil pressure bag 501 connected at the bottom of the oil guide outlet 103, and the bottom of the oil pressure bag 501 is installed with an oil guide pipe 502, the middle of the oil guide pipe 502 is installed with a scale glass bottle 503, and the middle of the scale glass bottle 503 is installed with a floating ball 504, the display assembly 5 is used for monitoring the change of the oil level in the oil pillow, the oil pressure bag 501 is communicated with the inside of the oil pillow through the oil guide outlet 103, the change of the oil level is reflected in the oil pressure bag 501, the oil liquid enters the scale glass bottle 503 through the oil guide pipe 502, the floating ball 504 rises and falls with the oil level, the oil level height can be directly read through the scale on the scale glass bottle 503, and the operation and maintenance personnel can be monitored.

[0032] The outer wall of the air bag bag 301 is installed with a limiting buckle 3011, the inside of the limiting buckle 3011 is correspondingly installed with a limiting hook 3012, and the limiting hook 3012 is connected to the inner wall of the oil pillow body 101.

[0033] In use, the tank assembly 1 includes an oil conservator body 101, a connecting pipe 102, and an oil outlet 103. The connecting pipe 102 is used to connect to the transformer body, ensuring free flow of oil between the transformer and the oil conservator. The oil outlet 103 is connected to the display component 5, transmitting oil level changes to the display component. The anti-detachment airbag assembly 3 is installed inside the oil conservator and is connected to an external breather 304 through an airbag bag 301. When the transformer oil temperature rises, the oil volume expands, increasing the oil pressure inside the oil conservator. The airbag bag 301 is compressed, and the internal air is discharged through the connecting pipe 303 and the breather 304, releasing the pressure. When the oil temperature drops, the oil volume contracts, creating a negative pressure inside the oil conservator. External air enters the airbag bag 301 through the breather 304 and the connecting pipe 303, causing the airbag bag to expand and fill the space where the oil volume has decreased, preventing air from directly entering the oil conservator. Internally, the design of the limit buckle 3011 and limit hook 3012 ensures that the airbag bag 301 remains stable inside the oil conservator, preventing it from falling off or shifting. The convenient venting component 4 is installed on the top of the oil conservator to release the gas accumulated inside. When the gas pressure inside the oil conservator is too high, the venting screw port 401 can be opened by rotating the knob 405, and the gas will be released from the vent port 404. The silicone sheath 403 ensures good sealing during the venting process to prevent oil leakage. The display component 5 is used to monitor the change of oil level inside the oil conservator. The oil pressure bag 501 is connected to the inside of the oil conservator through the oil guide outlet 103. The change of oil level will be reflected in the oil pressure bag 501. The oil enters the graduated glass bottle 503 through the oil guide pipe 502. The float 504 rises and falls with the oil level. The oil level can be read intuitively through the scale on the graduated glass bottle 503, which is convenient for maintenance personnel to monitor.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A transformer oil tank, comprising a tank body assembly (1), characterized in that: An anti-detachment airbag assembly (3) is installed on the inner side of the can body assembly (1), and convenient exhaust venting assemblies (4) are installed on both sides of the top of the can body assembly (1). Meanwhile, a display assembly (5) is installed on one side of the bottom of the can body assembly (1). The end of the display assembly (5) is connected to the top of one side of the can body assembly (1). The top of the anti-detachment airbag assembly (3) is installed on the top of the can body assembly (1) through a connecting assembly (2). The convenient venting assembly (4) includes a venting screw port (401), which is connected to the top of the oil tank body (101). A connecting stud (402) is installed on the inner side of the venting screw port (401), and a silicone sheath (403) is connected to the outer side of the connecting stud (402). An air outlet (404) is opened around the connecting stud (402), and a knob (405) is connected to the top of the connecting stud (402).

2. The transformer oil conservator according to claim 1, characterized in that: The tank body assembly (1) includes an oil pillow body (101), with a through pipe (102) connected to one side of the bottom of the oil pillow body (101), and an oil outlet (103) opened on the other side of the bottom of the oil pillow body (101).

3. The transformer oil conservator according to claim 1, characterized in that: The connecting assembly (2) includes a mounting screw (201), which is connected to the top center of the oil tank body (101), and a fixing nut (202) is installed on the top of the mounting screw (201). A pressing port (203) is opened on the inner side of the fixing nut (202).

4. The transformer oil conservator according to claim 1, characterized in that: The anti-detachment airbag assembly (3) includes an airbag bag (301), which is installed inside the oil pillow body (101). The top of the airbag bag (301) is connected to a silicone sleeve (302). The silicone sleeve (302) is fixed between the fixing nut (202) and the mounting screw (201) by a pressing tube (203). The top of the silicone sleeve (302) is connected to a connecting tube (303), and the end of the connecting tube (303) is connected to a respirator (304).

5. The transformer oil conservator according to claim 1, characterized in that: The display component (5) includes a hydraulic bag (501), which is connected to the bottom of the oil outlet (103). An oil guide tube (502) is installed at the bottom of the hydraulic bag (501), and a graduated glass bottle (503) is installed in the middle of the oil guide tube (502). A float ball (504) is installed in the middle of the graduated glass bottle (503).

6. The transformer oil conservator according to claim 4, characterized in that: The outer wall of the airbag (301) is fitted with a limit buckle (3011), and the inside of the limit buckle (3011) is fitted with a corresponding limit hook (3012), which is connected to the inner wall of the oil pillow body (101).

Citation Information

Patent Citations

  • Oil conservator for transformer oil tank

    CN210837408U