Metal corrugated sealed oil tank oil leakage detection structure
By collecting and detecting oil leaks in the oil tank using an oil collection box structure, the problem of low sensitivity in traditional oil tank leak detection structures is solved, achieving highly sensitive leak detection and timely oil treatment, thus avoiding environmental pollution.
Patent Information
- Application Number
- CN202522045704.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-23
- Publication Date
- 2026-07-24
- Estimated Expiration
- 2035-09-23
AI Technical Summary
Traditional metal corrugated sealed oil tank leak detection structures require a large amount of oil to trigger an alarm signal, resulting in low leak detection sensitivity. Furthermore, leaked oil is directly discharged, polluting the tank frame, transformer, and surrounding environment.
An oil collection box structure was designed, including an oil collection pipe, an oil drain pipe, an output pipe, a float switch, and a detection window. The oil leakage is collected through the oil collection tank, and an alarm signal is issued when the float switch detects a certain amount. The oil inside the oil collection box is discharged through the oil drain pipe and the output pipe, which enhances the sensitivity and timeliness of oil leakage detection.
The sensitivity of oil leakage detection has been improved to 50ml, enabling timely detection of trace oil leaks and preventing oil contamination of the oil tank frame and transformer environment.
Smart Images
Figure CN224552621U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of transformer corrugated oil conservator, specifically to a leakage detection structure for a metal corrugated sealed oil conservator. Background Technology
[0002] Metal corrugated sealed oil tanks are oil storage devices that use multi-layer stainless steel corrugated pipes as the core sealing element. Their flexible structure adapts to changes in oil volume due to thermal expansion and contraction, achieving a complete seal and reducing leakage through corrugation expansion and contraction. However, in currently common oil tank structures, leaks can still occur at the welded locations of the metal corrugated core. Traditional oil tank leak detection structures only issue an alarm signal when a significant amount of oil has accumulated, resulting in low detection sensitivity. Furthermore, the directly discharged leaked oil can contaminate the tank frame, transformer, and surrounding environment. Utility Model Content
[0003] The purpose of this utility model is to provide a metal corrugated sealed oil tank leakage detection structure to solve the problems mentioned in the background art of the traditional oil tank leakage detection structure that requires a large amount of oil to accumulate before an alarm signal is issued, resulting in low leakage detection sensitivity and direct discharge of leaked oil, which will pollute the oil tank frame, transformer and surrounding environment.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a metal corrugated sealed oil tank leakage detection structure, comprising an oil collection box, an oil collection pipe connected to one end of the upper surface of the oil collection box, an oil drain pipe connected to the lower surface of the oil collection box at a position corresponding to the oil collection pipe, an output pipe connected to the lower end of the oil drain pipe, a float switch penetrating the other end of the upper surface of the oil collection box, the floating detection end of the float switch extending into the interior of the oil collection box, a detection window provided in the middle of the front and rear side walls of the oil collection box, a core lower end plate provided above the oil collection box, a connecting seat provided on the lower surface of the core lower end plate at a position corresponding to the oil collection box, the oil collection pipe being fixedly connected to the connecting seat by threads, and an oil collection groove formed on the upper surface of the core lower end plate, the oil collection groove being connected to the connecting seat.
[0005] Preferably, the side wall of the oil collection box is provided with a bolt connection seat at the position corresponding to the detection window, and the front and rear sides of the bolt connection seat are fixedly connected to a sealing window frame by bolts, and the detection window is clamped and fixed between the sealing window frame and the bolt connection seat.
[0006] Preferably, the upper surface of the oil collection box is provided with a threaded connection seat at the position corresponding to the float switch, and the float switch is sealed and fixedly connected to the threaded connection seat by threads.
[0007] Preferably, the output pipe is connected to the drain pipe via a connecting flange.
[0008] Compared with the existing technology, the beneficial effects of this utility model are: it replaces the traditional oil tank leakage detection structure, the leakage detection sensitivity can reach 50ml, and an alarm signal can be issued when the oil is collected to a small amount. The oil collection tank with sloping flow guide has high leakage detection sensitivity, timely detection of trace oil leakage, and avoids transformer oil contamination of the oil tank frame, transformer and surrounding environment. Attached Figure Description
[0009] Figure 1 This is an isometric view of the main structure of this utility model; Figure 2 This is a front sectional view of the main structure of this utility model; Figure 3 This is a front view schematic diagram of the main structure of this utility model; Figure 4 This is a right-side view of the main structure of this utility model; Figure 5 This is a schematic diagram showing the installation position of the main structure of this utility model.
[0010] In the diagram: 1-oil collection box, 2-oil collection pipe, 3-oil drain pipe, 4-output pipe, 5-float switch, 6-detection window, 7-lower end plate of core, 8-connecting seat, 9-oil collection trough, 10-bolt connecting seat, 11-sealing window frame, 12-threaded connecting seat, 13-connecting flange, 14-oil tank shell, 15-corrugated core. Detailed Implementation
[0011] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0012] Please see Figure 1-5This utility model provides a leak detection structure for a metal corrugated sealed oil tank, including an oil collection box 1. One end of the upper surface of the oil collection box 1 is connected to an oil collection pipe 2. The lower surface of the oil collection box 1 is connected to an oil drain pipe 3 at a position corresponding to the oil collection pipe 2. The lower end of the oil drain pipe 3 is connected to an output pipe 4. A float switch 5 is provided through the other end of the upper surface of the oil collection box 1. The floating detection end of the float switch 5 extends into the interior of the oil collection box 1. A detection window 6 is provided in the middle of the front and rear side walls of the oil collection box 1. A core lower end plate 7 is provided above the oil collection box 1. A connecting seat 8 is provided on the lower surface of the core lower end plate 7 at a position corresponding to the oil collection box 1. The oil collection pipe 2 is fixedly connected to the connecting seat 8 by threads. An oil collection groove 9 is opened on the upper surface of the core lower end plate 7. The oil collection groove 9 is connected to the connecting seat 8.
[0013] In use, the lower end of the corrugated core 15 is mounted on the lower end plate 7 of the core. The connecting seat 8 on the lower end plate 7 extends outward through the lower wall of the oil tank housing 14. When oil leakage occurs at the welding position of the corrugated core 15, it is collected along the oil collection groove 9 opened on the lower end plate 7 of the core. The oil collection groove 9 is set at a certain inclination angle to ensure smooth flow of oil leakage. The oil leakage collected inside the oil collection groove 9 flows into the oil collection box 1 through the connecting seat 8 and the oil collection pipe 2. The oil leakage is collected inside the oil collection box 1. When the oil leakage inside the oil collection box 1 reaches a certain amount, the float switch 5 detects that the oil level has reached the alarm standard. The control system collects the alarm signal generated by the float switch 5 and converts it into an audible and visual alarm. The oil leakage inside the oil collection box 1 is discharged to the outside through the drain pipe 3 and the output pipe 4. Detection windows 6 are set on the front and rear sides of the oil collection box 1 to observe the working status of the float switch 5 and the oil level in real time.
[0014] The side wall of the oil collection box 1 is provided with a bolt connection seat 10 at the position corresponding to the detection window 6. The front and rear sides of the bolt connection seat 10 are fixedly connected to the sealing window frame 11 by bolts. The detection window 6 is clamped and fixed between the sealing window frame 11 and the bolt connection seat 10. The sealing window frame 11 is threaded through the sealing window frame 11 and connected to the bolt connection seat 10, thus clamping the detection window 6 and fixing it to the bolt connection seat 10 to ensure its sealing performance.
[0015] The upper surface of the oil collection box 1 is provided with a threaded connection seat 12 at the position corresponding to the float switch 5. The float switch 5 is sealed and fixedly connected to the threaded connection seat 12 by threads, and the float switch 5 is sealed and connected to the inside of the oil collection box 1 by the threaded connection seat 12.
[0016] The output pipe 4 is connected to the oil drain pipe 3 via the connecting flange 13, and the leaking oil is centrally discharged and treated through the output pipe 4.
[0017] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A leak detection structure for a metal corrugated sealed oil tank, characterized in that: The system includes an oil collection box (1), an oil collection pipe (2) connected to one end of the upper surface of the oil collection box (1), an oil drain pipe (3) connected to the lower surface of the oil collection box (1) at the position corresponding to the oil collection pipe (2), an output pipe (4) connected to the lower end of the oil drain pipe (3), a float switch (5) penetrating the other end of the upper surface of the oil collection box (1), the floating detection end of the float switch (5) extending into the interior of the oil collection box (1), a detection window (6) provided in the middle of the front and rear side walls of the oil collection box (1), a core lower end plate (7) provided above the oil collection box (1), a connecting seat (8) provided on the lower surface of the core lower end plate (7) at the position corresponding to the oil collection box (1), the oil collection pipe (2) being fixedly connected to the connecting seat (8) by threads, an oil collection groove (9) opened on the upper surface of the core lower end plate (7), and the oil collection groove (9) being connected to the connecting seat (8).
2. The oil leakage detection structure for a metal corrugated sealed oil tank according to claim 1, characterized in that: The side wall of the oil collection box (1) is provided with a bolt connection seat (10) at the position corresponding to the detection window (6). The front and rear sides of the bolt connection seat (10) are fixedly connected to the sealing window frame (11) by bolts. The detection window (6) is clamped and fixed between the sealing window frame (11) and the bolt connection seat (10).
3. The oil leakage detection structure for a metal corrugated sealed oil tank according to claim 1, characterized in that: The upper surface of the oil collection box (1) is provided with a threaded connection seat (12) at the position corresponding to the float switch (5), and the float switch (5) is sealed and fixedly connected to the threaded connection seat (12) by threads.
4. The oil leakage detection structure for a metal corrugated sealed oil tank according to claim 1, characterized in that: The output pipe (4) is connected to the oil drain pipe (3) via a connecting flange (13).