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CN-224216648-U - Monitoring device for detecting ethane gas in transformer oil

CN224216648UCN 224216648 UCN224216648 UCN 224216648UCN-224216648-U

Abstract

The utility model discloses a monitoring device for detecting ethane gas in transformer oil, which comprises a handheld gas chromatograph, a protection mechanism and a mounting bracket, wherein the protection mechanism is arranged at the upper end of the handheld gas chromatograph, the protection mechanism comprises a mounting rod, a shielding plate and a rotating rod, the mounting bracket is arranged at the rear side of the handheld gas chromatograph, the mounting bracket comprises a connecting plate, a connecting plate and a back plate, the connecting plate is arranged at the inner side of the connecting plate, and the connecting plate is arranged at the front side of the back plate. According to the utility model, the protection mechanism is additionally arranged on the existing handheld gas chromatograph, the installation position of the shielding plate is adjusted according to the requirement, the shielding area is adjusted by utilizing the rotating rod, shielding protection is carried out when the handheld gas chromatograph is used at a fixed position, and the handheld gas chromatograph is installed in the area close to the transformer by using the installation support, so that the monitoring of ethane gas in the transformer is facilitated.

Inventors

  • LIANG XUANWEI
  • SUN LIQIAO
  • WANG WEI

Assignees

  • 北京华电云通电力技术有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (6)

  1. 1. The monitoring device for detecting ethane gas in transformer oil is characterized by comprising a handheld gas chromatograph (100), a protection mechanism (200) and a mounting bracket (300), wherein the protection mechanism (200) is arranged at the upper end of the handheld gas chromatograph (100), the protection mechanism (200) comprises a mounting rod (201), a shielding plate (202) and a rotating rod (203), the mounting rod (201) is arranged at two sides of the handheld gas chromatograph (100), and the rotating rod (203) is arranged between the shielding plate (202) and the mounting rod (201); The mounting bracket (300) is arranged on the rear side of the handheld gas chromatograph (100), the mounting bracket (300) comprises a connecting plate (301), a connecting plate (302) and a back plate, the connecting plate (301) is arranged on the inner side of the connecting plate (302), and the connecting plate (302) is arranged on the front side of the back plate.
  2. 2. The monitoring device for detecting ethane gas in transformer oil according to claim 1, wherein a sampling tube interface (101) and a data interface (102) are arranged at the upper end of the handheld gas chromatograph (100), and a display (103) is arranged at the front side of the handheld gas chromatograph (100).
  3. 3. The monitoring device for detecting ethane gas in transformer oil according to claim 2, wherein the bottom of the mounting rod (201) is in screw connection with the hand-held gas chromatograph (100), one end of the rotating rod (203) is in screw fit with the shielding plate (202), and the other end of the rotating rod (203) is in rotational connection with the mounting rod (201).
  4. 4. A monitoring device for detecting ethane gas in transformer oil according to claim 3, characterized in that a transparent plate (204) is embedded in the inner side of the shielding plate (202), and at least three mounting holes (306) adapted to the rotating rod (203) are formed in both sides of the shielding plate (202).
  5. 5. The monitoring device for detecting ethane gas in transformer oil according to claim 4, wherein the connecting plate (301) is in screw connection with the handheld gas chromatograph (100), the nodding surfaces of the connecting plate (301) and the connecting plate (302) are all in a U-shaped design, the connecting plate (301) is located on the inner side of the connecting plate (302), and a connecting bolt (305) is arranged between the connecting plate (301) and the connecting plate (302) for connection.
  6. 6. The monitoring device for detecting ethane gas in transformer oil according to claim 5, wherein pinch plates (304) are arranged at the upper end and the lower end of the connecting plate (302), the pinch plates (304) are connected with the back plate in a clamping mode, and mounting holes (306) are formed in four corners of the back plate.

Description

Monitoring device for detecting ethane gas in transformer oil Technical Field The utility model relates to the technical field of monitoring of power equipment, in particular to a monitoring device for detecting ethane gas in transformer oil. Background Transformers are critical devices in an electrical power system, and their normal operation is critical to the safety of the electrical power system. Analysis of Dissolved Gas (DGA) in transformer oil is an effective means of judging internal faults of transformers. Ethane gas is used as one of the characteristic gases of the internal faults of the transformer, and the content change of the ethane gas can reflect the latent faults in the transformer. At present, when a device for detecting ethane gas in transformer oil in the market is used, a structure for protecting a monitoring device is lacking, so that the monitoring device is easy to be corroded and damaged by an external environment. For this purpose, a monitoring device with a protective structure for detecting ethane gas in transformer oil is provided. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provides a monitoring device for detecting ethane gas in transformer oil. In order to solve the technical problems, the utility model provides the following technical scheme: The utility model relates to a monitoring device for detecting ethane gas in transformer oil, which comprises a handheld gas chromatograph, a protection mechanism and a mounting bracket, wherein the protection mechanism is arranged at the upper end of the handheld gas chromatograph and comprises a mounting rod, a shielding plate and a rotating rod, the mounting rod is arranged at two sides of the handheld gas chromatograph, and the rotating rod is arranged between the shielding plate and the mounting rod; The mounting bracket is arranged at the rear side of the handheld gas chromatograph and comprises a connecting plate, a connecting plate and a backboard, wherein the connecting plate is arranged at the inner side of the connecting plate, and the connecting plate is arranged at the front side of the backboard. As a preferable technical scheme of the utility model, the upper end of the handheld gas chromatograph is provided with a sampling pipe interface and a data interface, and the front side of the handheld gas chromatograph is provided with a display. 3. The monitoring device for detecting ethane gas in transformer oil is characterized in that the bottom of the installation rod is connected with the handheld gas chromatograph through screws, one end of the rotation rod is in threaded fit with the shielding plate, and the other end of the rotation rod is in rotary connection with the installation rod. 4. The monitoring device for detecting ethane gas in transformer oil is characterized in that a transparent plate is embedded in the inner side of the shielding plate, and at least three mounting holes matched with the rotating rod are formed in two sides of the shielding plate. 5. The monitoring device for detecting ethane gas in transformer oil according to the above is characterized in that the connecting plate is in screw connection with the handheld gas chromatograph, the connecting plate and the nodding surface of the connecting plate are all in U-shaped design, the connecting plate is located inside the connecting plate, and a connecting bolt is arranged between the connecting plate and the connecting plate. 6. The monitoring device for detecting ethane gas in transformer oil is characterized in that pinch plates are arranged at the upper end and the lower end of the connecting plate, the pinch plates are connected with the back plate in a clamping mode, and mounting holes are formed in four corners of the back plate. Compared with the prior art, the utility model has the following beneficial effects: (1) According to the utility model, the protection mechanism is additionally arranged on the existing handheld gas chromatograph, the installation position of the shielding plate is adjusted according to the requirement, the shielding area is adjusted by utilizing the rotating rod, and shielding protection is carried out when the handheld gas chromatograph is used at a fixed position, so that rainwater erosion and sunlight insolation are avoided, the problem that the monitoring device is easily damaged due to erosion of external environment due to lack of a structure for protecting the monitoring device is solved. (2) According to the utility model, the detachable mounting bracket is arranged at the rear side of the handheld gas chromatograph, and the handheld gas chromatograph is mounted in the area close to the transformer by using the mounting bracket, so that the monitoring of ethane gas in the transformer is facilitated. In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the descript