Device for detecting and separating gas in transformer oil

Abstract

The utility model relates to the technical field of gas detection, in particular to a device for detecting and separating gas in transformer oil, which comprises an upper shell and a lower shell, the upper shell is screwed on the lower shell, the inner wall of the bottom of the upper shell is fixedly connected with a partition mechanism, and the partition mechanism comprises a mounting pipe fixedly connected on the upper shell. A conical cavity channel is formed in the mounting pipe, a fixing frame is fixedly connected to the inner wall of the mounting pipe, a fixing pipe is fixedly connected to the inner wall of the fixing frame, an electromagnet is fixedly connected to the inner wall of the fixing pipe, and a driving rod is slidably connected to the inner wall of the fixing pipe. According to the utility model, the defects in the prior art are overcome, the partition mechanism is arranged on the inner wall of the upper shell, the connection and disconnection between the upper shell and the lower shell are conveniently controlled through the partition mechanism, the installation pipe is conveniently sealed through the sealing plug in the partition mechanism, and the action of the sealing plug is conveniently and directly controlled through the cooperation between the electromagnet and the magnet; and the oil is effectively prevented from entering the upper shell to influence the detection of the sensor.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection, in particular to a gas detection and separation device in transformer oil. Background Art

[0002] With the rapid development of power systems, transformers are widely used. Transformers are the most important electrical equipment in power systems. Once a fault occurs during operation, it will cause serious consequences to the power system.

[0003] After searching, the Chinese patent application number CN205898800U discloses a gas detection and separation device in transformer oil, including an oil inlet pipeline, a detection and separation device and an oil outlet pipeline connected in sequence; the oil inlet pipeline and the oil outlet pipeline are respectively connected to the transformer; the detection and separation device includes an upper shell and a lower shell, a gas sensor and a display screen are provided above the internal air chamber of the upper shell, a gas filter component is provided in the internal cavity of the lower shell, the oil inlet pipeline and the oil outlet pipeline are respectively connected to the internal cavity of the lower shell, and the cavity of the gas filter component is connected to the internal air chamber of the upper shell.

[0004] The transformer oil gas detection and separation device in the above patent has the following deficiencies: the upper shell and the lower shell of the existing detection device are interconnected. Once there is too much oil, the detection sensor will not be able to effectively identify the gas, which will lead to errors in the detection results. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transformer oil gas detection and separation device, comprising an upper shell and a lower shell, the upper shell is screwed on the lower shell, the bottom inner wall of the upper shell is fixedly connected with a partition mechanism, the partition mechanism comprises a mounting tube fixedly connected to the upper shell, and the interior of the mounting tube is a conical cavity, the inner wall of the mounting tube is fixedly connected with a fixing frame, the inner wall of the fixing frame is fixedly connected with a fixing tube, and the inner wall of the fixing tube is fixedly connected with an electromagnet, the inner wall of the fixing tube is slidably connected with a driving rod, and one end of the driving rod is fixedly connected with a sealing plug of a conical structure, the top outer wall of the mounting tube is fixedly connected with a mounting cover, and the inner wall of the mounting cover is provided with an exhaust cavity.

[0007] With the above structure, a partition mechanism is arranged inside the upper shell, and the partition mechanism is arranged to facilitate the control of the connection between the upper shell and the lower shell. The driving rod in the partition mechanism facilitates the movement of the sealing plug, thereby facilitating the control of the connection between the upper shell and the lower shell.

[0008] One end of the driving rod is fixedly connected with a magnet matching the electromagnet.

[0009] With the above structure, the electromagnet is energized to generate magnetism opposite to that of the magnet, thereby attracting the magnet to move closer to the electromagnet.

[0010] A spring is fixedly connected between the electromagnet and the magnet.

[0011] With the above structure, the magnet can be easily driven to return to its original position through the setting of the spring.

[0012] A circular opening is formed on the outer wall of the top of the upper shell body, and a top cover is fixedly connected to the inner wall of the circular opening.

[0013] With the above structure, the upper shell can be easily closed through the top cover.

[0014] A groove is formed on the outer wall of the top cover, and a display screen is fixedly connected to the inner wall of the groove.

[0015] With the above structure, the data detected by the sensor can be conveniently displayed in real time through the setting of the display screen.

[0016] A gas sensor is fixedly connected to the outer wall of the bottom of the top cover, and the gas sensor is located just above the partition mechanism.

[0017] With the above structure, the gas sensor is arranged to facilitate real-time detection of the gas in the oil.

[0018] An exhaust port is provided on one outer wall of the upper shell, and a solenoid valve is fixedly connected to the inner wall of the exhaust port.

[0019] With the above structure, the on-off of the gas path in the upper shell can be conveniently controlled by setting the solenoid valve.

[0020] The outer wall of the lower shell is provided with two connection ports with a height difference, and the inner walls of the two connection ports are fixedly connected with connection pipes.

[0021] With the above structure, the lower housing can be conveniently connected to the transformer oil pipeline through the setting of the connecting pipe.

[0022] The display screen has a built-in controller, and the controller is electrically connected to the gas sensor, the solenoid valve and the electromagnet.

[0023] With the above structure, the electrical components can be conveniently controlled through the setting of the controller, and the data collected by the gas sensor can be conveniently displayed in conjunction with the display screen.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] (1) The utility model provides a partition mechanism on the inner wall of the upper shell, and the partition mechanism is convenient for controlling the on-off between the upper shell and the lower shell. The sealing plug in the partition mechanism is convenient for closing the installation tube. At the same time, the cooperation between the electromagnet and the magnet is convenient for directly controlling the action of the sealing plug, which effectively prevents oil from entering the upper shell and affecting the detection of the sensor.

[0026] (2) The utility model provides a solenoid valve in the upper shell. When the solenoid valve is opened, it is convenient to ensure the flow of gas in the upper shell, thereby facilitating the gas in the oil and gas to enter the upper shell for detection by the gas sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 This is a schematic diagram of the cross-sectional structure of the upper shell of the utility model;

[0029] Figure 3 This is a schematic diagram of the internal structure of the upper shell of the utility model;

[0030] Figure 4 It is a schematic cross-sectional structural diagram of the partition mechanism of the utility model.

[0031] In the figure: 1. upper shell; 2. lower shell; 3. connecting pipe; 4. solenoid valve; 5. top cover; 6. display screen; 7. partition mechanism; 8. gas sensor; 9. mounting tube; 10. fixing bracket; 11. sealing plug; 12. fixing tube; 13. driving rod; 14. magnet; 15. spring; 16. mounting cover; 17. exhaust chamber; 18. electromagnet. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-4A transformer oil gas detection and separation device comprises an upper shell 1 and a lower shell 2, the upper shell 1 is screwed on the lower shell 2, a partition mechanism 7 is fixedly connected to the inner wall of the bottom of the upper shell 1, the partition mechanism 7 comprises a mounting tube 9 fixedly connected to the upper shell 1, and the interior of the mounting tube 9 is a conical cavity, a fixing frame 10 is fixedly connected to the inner wall of the mounting tube 9, a fixing tube 12 is fixedly connected to the inner wall of the fixing frame 10, and an electromagnet 18 is fixedly connected to the inner wall of the fixing tube 12, a driving rod 13 is slidably connected to the inner wall of the fixing tube 12, and a sealing plug 11 with a conical structure is fixedly connected to one end of the driving rod 13, a mounting cover 16 is fixedly connected to the outer wall of the top of the mounting tube 9, and an exhaust cavity 17 is opened on the inner wall of the mounting cover 16, and the partition mechanism 7 is arranged inside the upper shell 1, and the setting of the partition mechanism 7 is convenient for controlling the on-off between the upper shell 1 and the lower shell 2, and the driving rod 13 in the partition mechanism 7 is convenient for driving the sealing plug 11 to move, thereby conveniently controlling the on-off between the upper shell 1 and the lower shell 2.

[0034] For details, please refer to Figure 4 One end of the driving rod 13 is fixedly connected to a magnet 14 that matches the electromagnet 18 . When the electromagnet 18 is energized, a magnetic force opposite to that of the magnet 14 is generated, thereby attracting the magnet 14 to move closer to the electromagnet 18 .

[0035] For details, please refer to Figure 4 A spring 15 is fixedly connected between the electromagnet 18 and the magnet 14, and the spring 15 is arranged to facilitate driving the magnet 14 to return to its original position.

[0036] For details, please refer to Figure 1-3 A circular opening is formed on the outer wall of the top of the upper shell 1 , and a top cover 5 is fixedly connected to the inner wall of the circular opening, so that the upper shell 1 can be conveniently closed by the top cover 5 .

[0037] For details, please refer to Figure 3 A groove is formed on the outer wall of the top of the top cover 5, and a display screen 6 is fixedly connected to the inner wall of the groove. The display screen 6 is provided to conveniently display the data detected by the sensor in real time.

[0038] For details, please refer to Figure 2-3 A gas sensor 8 is fixedly connected to the outer wall of the bottom of the top cover 5, and the gas sensor 8 is located directly above the partition mechanism 7. The arrangement of the gas sensor 8 facilitates real-time detection of gas in the oil.

[0039] For details, please refer to Figure 3-4 An exhaust port is provided on one side outer wall of the upper shell 1, and a solenoid valve 4 is fixedly connected to the inner wall of the exhaust port. The solenoid valve 4 is arranged to conveniently control the on-off of the gas path in the upper shell 1.

[0040] For details, please refer to Figure 1The outer wall of the lower shell 2 is provided with two connection ports with a height difference, and the inner walls of the two connection ports are fixedly connected with a connection pipe 3. The setting of the connection pipe 3 facilitates the lower shell 2 to be connected to the transformer oil pipeline.

[0041] For details, please refer to Figure 1 A controller is built into the display screen 6, and the controller is electrically connected to the gas sensor 8, the solenoid valve 4 and the electromagnet 18. The setting of the controller facilitates the control of the electrical components and facilitates the display screen 6 to display the data collected by the gas sensor 8.

[0042] Working principle: When in use, the transformer oil pipeline is connected to the two connecting pipes 3 respectively. When the oil in the pipeline enters the lower shell 2, the electromagnet 18 in the partition mechanism 7 is energized at the same time. The electromagnet 18 generates magnetism opposite to that of the magnet 14, so that the magnet 14 moves toward the electromagnet 18. The movement of the magnet 14 directly drives the drive rod 13 to move. When the magnet 14 moves, the spring 15 is compressed. When the drive rod 13 moves, the sealing plug 11 is pulled up. At this time, the installation tube 9 is opened, and the gas in the lower shell 2 enters the upper shell 1. The gas sensor 8 detects the gas. After the detection is completed, the solenoid valve 4 is opened to discharge the gas in the upper shell 1.

[0043] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gas detection and separation device in transformer oil, comprising an upper housing (1) and a lower housing (2), characterized in that: The upper shell (1) is screwed onto the lower shell (2); a partition mechanism (7) is fixedly connected to the inner wall of the bottom of the upper shell (1); the partition mechanism (7) comprises a mounting tube (9) fixedly connected to the upper shell (1); the interior of the mounting tube (9) is a conical cavity; the inner wall of the mounting tube (9) is fixedly connected to a fixing frame (10); the inner wall of the fixing frame (10) is fixedly connected to a fixing tube (12); the inner wall of the fixing tube (12) is fixedly connected to an electromagnet (18); the inner wall of the fixing tube (12) is slidably connected to a driving rod (13); one end of the driving rod (13) is fixedly connected to a sealing plug (11) of a conical structure; the top outer wall of the mounting tube (9) is fixedly connected to a mounting cover (16); and the inner wall of the mounting cover (16) is provided with an exhaust cavity (17).

2. A transformer oil gas detection and separation device according to claim 1, characterized in that: One end of the driving rod (13) is fixedly connected to a magnet (14) that matches the electromagnet (18).

3. A transformer oil gas detection and separation device according to claim 2, characterized in that: A spring (15) is fixedly connected between the electromagnet (18) and the magnet (14).

4. A transformer oil gas detection and separation device according to claim 1, characterized in that: The top outer wall of the upper shell (1) is provided with a circular opening, and the inner wall of the circular opening is fixedly connected to a top cover (5).

5. A transformer oil gas detection and separation device according to claim 4, characterized in that: The top outer wall of the top cover (5) is provided with a groove, and the inner wall of the groove is fixedly connected to a display screen (6).

6. A gas detection and separation device in transformer oil according to claim 5, characterized in that: A gas sensor (8) is fixedly connected to the outer wall of the bottom of the top cover (5), and the gas sensor (8) is located directly above the partition mechanism (7).

7. A gas detection and separation device in transformer oil according to claim 6, characterized in that: An exhaust port is provided on one outer wall of the upper shell (1), and a solenoid valve (4) is fixedly connected to the inner wall of the exhaust port.

8. A gas detection and separation device in transformer oil according to claim 7, characterized in that: The outer wall of the lower shell (2) is provided with two connection ports with a height difference, and the inner walls of the two connection ports are fixedly connected to connection pipes (3).

9. A transformer oil gas detection and separation device according to claim 8, characterized in that: The display screen (6) has a built-in controller, and the controller is electrically connected to the gas sensor (8), the solenoid valve (4) and the electromagnet (18).

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