Oil leakage prevention valve for power transformer oil tank

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The valve system for electric transformer oil tanks addresses leaks by sealing and alerting maintenance when necessary, maintaining valve integrity and oil quality.

CN223108628UActive Publication Date: 2025-07-15GUANGDONG GUANGFU ELECTRIC POWER CO LTD

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Patent Information

Application Number: CN202421936880.9
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-08-12
Publication Date: 2025-07-15
Estimated Expiration: 2034-08-12

AI Technical Summary

Technical Problem

Oil leakage may occur when the internal pressure of the traditional oil tank valve increases, affecting the normal use of the valve and the quality of the oil inside the oil tank.

Method used

An oil leakage-proof valve is designed, including adjustment components, connection components, functional components, protective components and early warning components. The amount of oil oozing is detected through the weight sensor, and the air pump air-inflatable valve is activated when a certain threshold is reached, and an alarm is issued to notify maintenance through the buzzer.

Benefits of technology

It realizes timely sealing and warning when oil leakage occurs in the valve, prevent oil leakage, protect the oil quality inside the oil tank, and ensure the normal use of the valve.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oil tank valves, in particular to an oil leakage prevention valve for an oil tank of a power transformer. The technical problems that when pressure in an oil tank of a traditional oil tank valve is increased, oil leakage possibly occurs, normal use of the valve is affected, and the quality of oil in the oil tank is affected are solved. According to the technical scheme, the oil leakage prevention valve for the power transformer oil tank comprises a pipe body, an adjusting assembly, a connecting assembly, a functional assembly, a protection assembly, an early warning assembly and a mounting assembly; compared with a traditional oil tank valve which may cause oil leakage when the internal pressure of the oil tank is increased, the oil tank valve has the advantages that when the valve leaks oil, the leaked oil is guided into a sealed cavity, and the mass of the leaked oil is weighed and sensed through the sensing structure, so that the oil leakage of the oil tank valve can be accurately detected; and when a certain threshold value is reached, the sealing structure is started and an early warning alarm is given to inform a worker, so that oil leakage prevention protection treatment on the valve is realized.

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Description

Technical Field

[0001] The utility model relates to the technical field of fuel tank valves, in particular to an anti-oil-leakage valve for a power transformer fuel tank. Background Technique

[0002] Fuel tank valves are key components connected between the fuel tank and other systems. They control the flow of oil products, ensure the supply of oil when needed, and prevent the flow of oil when not needed to prevent leakage or abuse. During the maintenance of fuel tank valves, they need to be regularly inspected to ensure their integrity and normal function. In addition, lubrication or seal replacement may also be required regularly to maintain the best performance of the valves. However, during the use of traditional fuel tank valves, traditional fuel tank valves control the flow of oil products, ensure the supply of oil when needed, and prevent the flow of oil when not needed to prevent leakage or abuse. However, traditional fuel tank valves may experience oil leakage when the internal pressure of the fuel tank increases, affecting the normal use of the valves and the quality of the oil inside the fuel tank. Content of the Utility Model

[0003] In order to overcome the situation that during the operation of traditional fuel tank valves in daily use, traditional fuel tank valves may experience oil leakage when the internal pressure of the fuel tank increases, affecting the normal use of the valves and the quality of the oil inside the fuel tank.

[0004] The technical solution of the utility model is: an anti-oil-leakage valve for a power transformer fuel tank, which includes a pipe body, an adjustment component, a connection component, a functional component, a protection component, a warning component, and an installation component; an adjustment component with an adjustment function is arranged inside the pipe body, a connection component with a connection function is arranged outside the pipe body, a functional component is arranged below the connection component, a protection component with a protection function is arranged inside the pipe body, a warning component with a warning function is arranged on one side of the functional component, and an installation component with an installation function is arranged at one end of the pipe body.

[0005] Preferably, the pipe body and the external pipeline structure can be connected and installed through the installation component, the connection between it and the adjustment component is sealed through the connection component, the valve can be opened and closed through the adjustment component, the leaked oil can be weighed and sensed through the functional component, when the leaked oil reaches a certain threshold, the protection component is started to seal and protect both ends of the valve, and an alarm is issued through the warning component to notify the staff to maintain the valve.

[0006] Preferably, the adjustment component includes a valve core and a valve rod; the valve core is arranged inside the pipe body, and the valve rod is arranged inside the valve core. During use, the valve rod is rotated to drive the valve core to rotate, and the valve is opened and closed through the rotation of the valve core.

[0007] Preferably, the connecting component includes a first connecting frame, a protective frame and a sealing ring; a first connecting frame is arranged on the outer side of the pipe body, a protective frame is arranged on the outer side of the first connecting frame, and a sealing ring is arranged above the protective frame. During use, the position of the protective frame is fixed by the first connecting frame, and the connection between the first connecting frame and the valve stem is sealed by the sealing ring.

[0008] Preferably, the functional component includes a second connecting frame, a weight sensor and a signal transmission module; a second connecting frame is arranged below the protective frame, a weight sensor is arranged inside the second connecting frame, and a signal transmission module is arranged on one side of the second connecting frame. During use, when oil leaks at the connection between the pipe body and the valve stem, the leaked oil flows into the inside of the second connecting frame through the protective frame, the weight of the oil is sensed by the weight sensor, and when the weight reaches a certain threshold, a signal is transmitted through the signal transmission module.

[0009] Preferably, the protective component includes an air pump and a protective airbag; an air pump is arranged above the pipe body, a protective airbag is arranged inside the pipe body, and the air pump and the protective airbag are connected by a pipeline. During use, the protective airbag can be inflated by starting the air pump, and the two ends of the pipe body are blocked by the inflated protective airbag, so that the two ends of the valve can be blocked and sealed when the valve leaks oil.

[0010] Preferably, the warning component includes a mounting plate and a buzzer; a mounting plate is arranged on one side of the second connecting frame, and a buzzer is arranged on one side of the mounting plate. During use, the position of the buzzer is fixed by the mounting plate, and the buzzer receives the signal from the signal transmission module to start the buzzer to sound an alarm to remind the staff to maintain the valve.

[0011] Preferably, the mounting component includes a mounting flange and mounting holes; a mounting flange is arranged at one end of the pipe body, there are two groups of mounting flanges, and mounting holes are formed inside the mounting flanges. During use, the valve can be docked with the external pipeline structure through the mounting flange and the mounting holes and fixed by a bolt structure, so that the valve can be connected and installed with the external pipeline structure.

[0012] The beneficial effects of the present utility model:

[0013] 1. Compared with traditional fuel tank valves that control the flow of oil products to ensure the supply of oil when needed and prevent oil leakage or abuse when not needed, traditional fuel tank valves may experience oil leakage when the internal pressure of the fuel tank increases, affecting the normal use of the valves and the quality of the oil inside the fuel tank. When the valve leaks oil, this device guides the leaked oil into a sealed chamber and weighs and senses the quality of the leaked oil through a sensing structure. When a certain threshold is reached, the sealing structure is activated and a warning alarm is sent to notify the staff, thus realizing the anti-oil leakage protection treatment for the valve;

[0014] 2. The position of the protective frame is fixed through the first connecting frame, and the connection between the first connecting frame and the valve stem is sealed through a sealing ring. When oil leaks at the connection between the pipe body and the valve stem, the leaked oil flows into the inner side of the second connecting frame through the protective frame. The weight sensor senses the weight of the oil. When the weight reaches a certain threshold, a signal is transmitted through the signal transmission module. By starting the air pump, the protective airbag can be inflated, and the two ends of the pipe body are blocked by the inflation and expansion of the protective airbag, so that the two ends of the valve can be blocked and sealed when the valve leaks oil. The position of the buzzer is fixed through the mounting plate, and the buzzer receives the signal from the signal transmission module to start the buzzer to issue an alarm to remind the staff to maintain the valve, thus realizing the anti-oil leakage protection treatment for the valve;

[0015] 3. It can be docked with the external pipeline structure through the mounting flange and mounting holes and fixed through the bolt structure, so that the valve can be connected and installed with the external pipeline structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is the first three-dimensional structure schematic diagram of the anti-oil leakage valve for the power transformer fuel tank of the present utility model;

[0017] Figure 2 Shown is the first cross-sectional structure schematic diagram of the anti-oil leakage valve for the power transformer fuel tank of the present utility model;

[0018] Figure 3 Shown is the second three-dimensional structure schematic diagram of the anti-oil leakage valve for the power transformer fuel tank of the present utility model;

[0019] Figure 4 Shown is the second cross-sectional structure schematic diagram of the anti-oil leakage valve for the power transformer fuel tank of the present utility model;

[0020] Description of reference numerals: 1. Pipe body; 2. Adjusting assembly; 201. Valve core; 202. Valve rod; 3. Connecting assembly; 301. First connecting frame; 302. Protective frame; 303. Sealing ring; 4. Functional assembly; 401. Second connecting frame; 402. Weight sensor; 403. Signal transmission module; 5. Protective assembly; 501. Air pump; 502. Protective airbag; 6. Warning assembly; 601. Mounting plate; 602. Buzzer; 7. Mounting assembly; 701. Mounting flange; 702. Mounting hole. Detailed implementation manners

[0021] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0022] Please refer to Figure 1 , the present utility model provides an embodiment: an anti-oil leakage valve for a power transformer oil tank, including a pipe body 1, an adjusting assembly 2, a connecting assembly 3, a functional assembly 4, a protective assembly 5, a warning assembly 6 and a mounting assembly 7; an adjusting assembly 2 with an adjusting function is arranged inside the pipe body 1, a connecting assembly 3 with a connecting function is arranged outside the pipe body 1, a functional assembly 4 is arranged below the connecting assembly 3, a protective assembly 5 with a protective function is arranged inside the pipe body 1, a warning assembly 6 with a warning function is arranged on one side of the functional assembly 4, and a mounting assembly 7 with a mounting function is arranged at one end of the pipe body 1.

[0023] Please refer to Figures 2 - 4 , in this embodiment, the adjusting assembly 2 includes a valve core 201 and a valve rod 202; a valve core 201 is arranged inside the pipe body 1, and a valve rod 202 is arranged inside the valve core 201. During use, the valve core 201 is driven to rotate by rotating the valve rod 202, and the valve is opened and closed by the rotation of the valve core 201. The connecting assembly 3 includes a first connecting frame 301, a protective frame 302 and a sealing ring 303; a first connecting frame 301 is arranged outside the pipe body 1, a protective frame 302 is arranged outside the first connecting frame 301, and a sealing ring 303 is arranged above the protective frame 302. During use, the position of the protective frame 302 is fixed by the first connecting frame 301, and the connection between the first connecting frame 301 and the valve rod 202 is sealed by the sealing ring 303. The functional assembly 4 includes a second connecting frame 401, a weight sensor 402 and a signal transmission module 403; a second connecting frame 401 is arranged below the protective frame 302, a weight sensor 402 is arranged inside the second connecting frame 401, and a signal transmission module 403 is arranged on one side of the second connecting frame 401. During use, when oil leaks at the connection between the pipe body 1 and the valve rod 202, the leaked oil flows into the inside of the second connecting frame 401 through the protective frame 302, the weight of the oil is sensed by the weight sensor 402, and a signal is transmitted through the signal transmission module 403 when the weight reaches a certain threshold.

[0024] The protection component 5 includes an air pump 501 and a protection airbag 502; an air pump 501 is arranged above the pipe body 1, and a protection airbag 502 is arranged inside the pipe body 1. The air pump 501 and the protection airbag 502 are connected through a pipeline. When in use, the protection airbag 502 can be inflated by starting the air pump 501, and the two ends of the pipe body 1 can be blocked by the inflation and expansion of the protection airbag 502, so that the two ends of the valve can be blocked and sealed when the valve leaks oil. The warning component 6 includes a mounting plate 601 and a buzzer 602; a mounting plate 601 is arranged on one side of the second connecting frame 401, and a buzzer 602 is arranged on one side of the mounting plate 601. When in use, the position of the buzzer 602 is fixed through the mounting plate 601, and the buzzer 602 receives the signal of the signal transmission module 403 to start the buzzer 602 to sound an alarm to remind the staff to maintain the valve. The installation component 7 includes a mounting flange 701 and a mounting hole 702; a mounting flange 701 is arranged at one end of the pipe body 1, there are two groups of mounting flanges 701, and a mounting hole 702 is opened inside the mounting flange 701. When in use, the valve can be docked with the external pipeline structure through the mounting flange 701 and the mounting hole 702 and fixed through a bolt structure, so that the valve can be connected and installed with the external pipeline structure.

[0025] When working, first, the valve can be docked with the external pipeline structure through the mounting flange 701 and the mounting hole 702 and fixed through a bolt structure, so that the valve can be connected and installed with the external pipeline structure.

[0026] After the valve is installed and fixed, the position of the protection frame 302 is fixed through the first connecting frame 301, and the connection between the first connecting frame 301 and the valve stem 202 is sealed through the sealing ring 303. When oil leaks at the connection between the pipe body 1 and the valve stem 202, the leaked oil flows into the inside of the second connecting frame 401 through the protection frame 302;

[0027] After the leaked oil flows into the inside of the second connecting frame 401 through the protection frame 302, the weight sensor 402 senses the weight of the oil. When the weight reaches a certain threshold, a signal is transmitted through the signal transmission module 403. The protection airbag 502 can be inflated by starting the air pump 501, and the two ends of the pipe body 1 can be blocked by the inflation and expansion of the protection airbag 502, so that the two ends of the valve can be blocked and sealed when the valve leaks oil. The position of the buzzer 602 is fixed through the mounting plate 601, and the buzzer 602 receives the signal of the signal transmission module 403 to start the buzzer 602 to sound an alarm to remind the staff to maintain the valve.

[0028] Through the above steps, the installation component 7 can be used to connect and install the pipe body 1 and the external pipeline structure. The connection component 3 is used to seal the connection between it and the adjustment component 2. The adjustment component 2 can be used to open and close the valve. The function component 4 can be used to weigh and sense the leaked oil. When the leaked oil reaches a certain threshold, the protection component 5 is activated to seal and protect both ends of the valve. The warning component 6 is used to issue an alarm to notify the staff to maintain the valve.

[0029] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. An anti-oil leakage valve for the oil tank of a power transformer, comprising a pipe body (1); characterized in that: It also includes an adjustment component (2), a connection component (3), a functional component (4), a protection component (5), a warning component (6) and an installation component (7); an adjustment component (2) with an adjustment function is arranged inside the pipe body (1), a connection component (3) with a connection function is arranged outside the pipe body (1), a functional component (4) is arranged below the connection component (3), a protection component (5) with a protection function is arranged inside the pipe body (1), a warning component (6) with a warning function is arranged on one side of the functional component (4), and an installation component (7) with an installation function is arranged at one end of the pipe body (1).

2. The anti-oil leakage valve for the oil tank of a power transformer according to claim 1, characterized in that: The adjustment component (2) includes a valve core (201) and a valve rod (202); the valve core (201) is arranged inside the pipe body (1), and the valve rod (202) is arranged inside the valve core (201).

3. The anti-oil leakage valve for the oil tank of a power transformer according to claim 1, characterized in that: The connection component (3) includes a first connection frame (301), a protection frame (302) and a sealing ring (303); the first connection frame (301) is arranged outside the pipe body (1), the protection frame (302) is arranged outside the first connection frame (301), and the sealing ring (303) is arranged above the protection frame (302).

4. The oil leakage prevention valve for a power transformer oil tank according to claim 3, characterized in that: The functional component (4) includes a second connection frame (401), a weight sensor (402) and a signal transmission module (403); the second connection frame (401) is arranged below the protection frame (302), the weight sensor (402) is arranged inside the second connection frame (401), and the signal transmission module (403) is arranged on one side of the second connection frame (401).

5. The anti-oil leakage valve for a power transformer oil tank according to claim 1, wherein: The protection component (5) includes an air pump (501) and a protection airbag (502); the air pump (501) is arranged above the pipe body (1), the protection airbag (502) is arranged inside the pipe body (1), and the air pump (501) and the protection airbag (502) are connected by a pipeline.

6. The anti-oil leakage valve for the oil tank of a power transformer according to claim 4, characterized in that: The warning component (6) includes a mounting plate (601) and a buzzer (602); the mounting plate (601) is arranged on one side of the second connection frame (401), and the buzzer (602) is arranged on one side of the mounting plate (601).

7. The anti-oil leakage valve for the oil tank of a power transformer according to claim 1, characterized in that: The installation component (7) includes an installation flange (701) and an installation hole (702); the installation flange (701) is arranged at one end of the pipe body (1), there are two groups of installation flanges (701), and the installation hole (702) is opened inside the installation flange (701).