CN-121994071-A - Cleaning equipment for radiator of power transformer

CN121994071ACN 121994071 ACN121994071 ACN 121994071ACN-121994071-A

Abstract

The application discloses cleaning equipment for a radiator of a power transformer, which comprises a bearing unit, a mechanical arm unit, a cleaning unit and a controller, wherein the bearing unit comprises a fixed component, a first movable frame and a second movable frame, the fixed component is arranged close to the radiator, the first movable frame is movably arranged on the fixed component along a first direction, the second movable frame is movably arranged on the first movable frame along a second direction, the mechanical arm unit is rotatably arranged on the second movable frame, the cleaning unit comprises a cleaning main body and at least two spray heads, the cleaning main body is rotatably arranged at an end arm section of the mechanical arm unit, the at least two spray heads are rotatably arranged on the cleaning main body and are suitable for spraying cleaning mediums at two sides of a radiating fin, and the controller is used for controlling the bearing unit, the mechanical arm unit and the cleaning unit to operate. The application can realize automatic and comprehensive cleaning of the radiator, remarkably improve the cleaning efficiency and the cleaning effect and improve the safety of the cleaning process.

Inventors

LIU JIE
ZHANG HANWEN
WU JUANJUAN
XU JINGHAN
ZHU SHUZHEN
LI LIANGHAO
ZHAO DONGHUI
FU TINGTING
HE LI
WU YURAN
YU NING
MA YAN
QIN GUANGYAO

Assignees

郑州电力高等专科学校

Dates

Publication Date: 20260508
Application Date: 20260303

Claims (10)

1.A cleaning apparatus for a power transformer radiator, comprising: The bearing unit comprises a fixed assembly, a first movable frame and a second movable frame, and the fixed assembly is arranged close to the radiator; the first movable frame is movably arranged on the fixed component along a first direction, and the second movable frame is movably arranged on the first movable frame along a second direction; The mechanical arm unit is rotatably arranged on the second movable frame and comprises a plurality of arm sections which are sequentially connected, and two adjacent arm sections are suitable for rotating relative to each other; The cleaning unit comprises a cleaning main body and at least two spray heads, wherein the cleaning main body is rotatably arranged at the tail end arm section of the mechanical arm unit; And the controller is used for controlling the bearing unit, the mechanical arm unit and the cleaning unit to run.
2. The power transformer radiator-facing cleaning apparatus of claim 1, wherein the cleaning body comprises: A first mounting portion rotatably disposed on the distal arm segment; The spray head comprises a first mounting part, a second mounting part, a spray head and a spray head, wherein the first mounting part is arranged on the spray head, the second mounting part is arranged on the first mounting part and is suitable for moving along a first direction relative to the first mounting part, and the spray head is rotatably arranged on the second mounting part.
3. The washing apparatus for a radiator of a power transformer according to claim 2, wherein the first mounting portion is provided with a first driving gear, the second mounting portion is provided with a rack extending in a third direction, and the first driving gear is cooperatively connected with the rack so as to be adapted to drive the second mounting portion to move in the third direction relative to the first mounting portion.
4. The cleaning apparatus for a power transformer radiator according to claim 2, wherein the shower head is formed with an extension portion, an end portion of which is formed with at least one injection port, the extension portion being adapted to protrude into the gaps of the radiator fins.
5. The power transformer radiator-facing cleaning apparatus of claim 1, further comprising: the visible light camera is arranged on the fixed assembly or the tail end arm section and is used for acquiring the morphology image of the radiator in real time; The infrared camera is arranged on the fixed assembly or the tail end arm section and is used for acquiring temperature distribution images of the radiator in real time; The visible light camera and the infrared camera are connected with the controller.
6. The power transformer radiator-facing cleaning apparatus of claim 5, wherein the controller includes: the processing module is used for acquiring dirt distribution characteristics of the radiator from the morphology image and acquiring hot spot distribution characteristics of the radiator from the temperature distribution image; a planning module for generating a cleaning path and cleaning parameters based on the dirt distribution features and the hotspot distribution features; And the execution module is used for controlling the cleaning assembly to move and execute cleaning action according to the cleaning path and the cleaning parameters.
7. The power transformer radiator-facing cleaning apparatus of claim 6, wherein the processing module comprises: an edge defining unit for extracting geometric information of the radiator from the morphology image and determining a cleaning operation boundary based on the geometric information; The feature analysis unit is used for extracting dirt distribution features from the morphology image and extracting hot spot distribution features from the temperature distribution image; the data fusion unit is used for carrying out space registration and superposition on the dirt distribution characteristics and the hot spot distribution characteristics, and generating a key cleaning map containing dirt distribution information and temperature distribution information based on the cleaning operation boundary; A region dividing unit for dividing the key cleaning map into a plurality of sub-regions to be cleaned, The planning module is specifically configured to generate a corresponding cleaning path and cleaning parameters based on the dirt distribution characteristics and the temperature distribution characteristics of each sub-area to be cleaned; The execution module is specifically configured to control the cleaning assembly to move and execute a cleaning action according to the cleaning path and the cleaning parameter corresponding to each sub-area to be cleaned.
8. The cleaning apparatus for a power transformer radiator according to claim 6, wherein the controller further comprises a judging module for judging whether a cleaning effect reaches a preset cleaning standard according to the morphology image and the temperature distribution image acquired in real time.
9. The power transformer radiator oriented cleaning apparatus of claim 6, wherein the controller further comprises an anomaly identification module for monitoring an operational status of the cleaning apparatus to identify and process anomalies during operation of the cleaning apparatus.
10. The apparatus of claim 6, wherein the controller further comprises a wireless communication module for signal interaction with an external system.

Description

Cleaning equipment for radiator of power transformer Technical Field The application relates to the technical field of transformer radiator cleaning, in particular to cleaning equipment for a power transformer radiator. Background In a power system of 500kV and above, a forced oil circulation transformer is a key device which changes alternating voltage by an electromagnetic induction principle, and a main structure comprises a primary coil, a secondary coil, an iron core and a forced oil circulation cooling system. The system relies on an oil pump to drive transformer oil to flow through the radiator and is matched with a fan to force air cooling so as to dissipate heat generated by large-capacity operation. To increase the heat dissipation efficiency, the outer walls of the heat sink are generally uniformly provided with dense heat dissipation fins, with gaps reserved between the fins to enhance air flow and heat exchange. In the related art, the forced oil circulation transformer is exposed to the outdoor environment for a long time, and the surfaces of the radiating fins of the radiator are easy to absorb dust, catkin and other floaters, and even are partially blocked by large foreign matters. For a wall-mounted radiator structure commonly used for a 500kV transformer, the inspection channel is limited due to the narrow installation space, so that the dust accumulation problem can be further aggravated. The dust accumulation layer can obstruct heat conduction of the radiating fins, so that the temperature of the transformer oil is abnormally increased, extra loss is increased, the load capacity is reduced, the aging of insulating materials is accelerated, the safe operation of equipment is threatened, and the service life is shortened. At present, the related art lacks cleaning equipment specially aiming at a cooling fin structure of a forced oil circulation transformer with the voltage of more than 500kV, and has the problems that the manual cleaning has low efficiency, insulating potential safety hazards are easy to cause, the maintenance period is prolonged due to limited power failure window, and the like, so that the efficient and safe cleaning and maintenance are difficult to realize. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present application is to provide a cleaning device for a radiator of a power transformer, which aims to solve the problems of low efficiency and insufficient safety of the cleaning mode of the radiator of the transformer. The application provides cleaning equipment for a radiator of a power transformer, which comprises a bearing unit, a mechanical arm unit, a cleaning unit and a controller, wherein the bearing unit comprises a fixed assembly, a first movable frame and a second movable frame, the fixed assembly is arranged close to the radiator, the first movable frame is movably arranged on the fixed assembly along a first direction, the second movable frame is movably arranged on the first movable frame along a second direction, the mechanical arm unit is rotatably arranged on the second movable frame, the mechanical arm unit comprises a plurality of arm sections which are sequentially connected, the two adjacent arm sections are suitable for rotating relative to each other, the cleaning unit comprises a cleaning main body and at least two spray heads, the cleaning main body is rotatably arranged at the tail end arm sections of the mechanical arm unit, the at least two spray heads are rotatably arranged on the cleaning main body and suitable for spraying cleaning media at two sides of a radiating fin, and the controller is used for controlling the bearing unit, the mechanical arm unit and the cleaning unit to operate. According to some embodiments of the application, the cleaning body includes a first mounting portion rotatably disposed on the distal arm segment and a second mounting portion disposed on the first mounting portion and adapted to move in a third direction relative to the first mounting portion, and the spray head is rotatably disposed on the second mounting portion. According to some embodiments of the application, the first mounting portion is provided with a first drive gear and the second mounting portion is provided with a rack extending in the third direction, the first drive gear being in mating connection with the rack adapted to drive the second mounting portion to move in the third direction relative to the first mounting portion. According to some embodiments of the application, the nozzle is formed with an extension, the end of which is formed with at least one injection opening, the extension being adapted to extend into the gap of the heat sink fin. According to some embodiments of the application, the cleaning device further comprises a visible light camera and an infrared camera, wherein the visible light camera is arranged on the f