CN111055017A - Remote online defect eliminating device for high-voltage isolating switch contact - Google Patents
Remote online defect eliminating device for high-voltage isolating switch contact Download PDFInfo
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- CN111055017A CN111055017A CN201911171302.4A CN201911171302A CN111055017A CN 111055017 A CN111055017 A CN 111055017A CN 201911171302 A CN201911171302 A CN 201911171302A CN 111055017 A CN111055017 A CN 111055017A
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- 230000007547 defect Effects 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 5
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- 239000000110 cooling liquid Substances 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 26
- 238000001816 cooling Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
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- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
Abstract
The invention relates to a remote online defect eliminating device for a high-voltage isolating switch contact, which comprises a controller and a laser device, wherein the controller is connected with the laser device; the laser device comprises a laser and a shell, wherein the laser is arranged in the shell; the controller controls laser emission of the laser; a jack is dug in the shell, and laser generated by the laser is emitted from the jack; the top of the shell is provided with a camera, and the optical center of the camera and the axis of a laser head of the laser are positioned on the same plane; the laser device also comprises a motor and a turntable; the main shaft of the motor is connected with the turntable, and the motor drives the turntable to rotate; a steering joint is arranged between the turntable and the shell; the controller is in signal connection or electric connection with the motor and the steering joint respectively; the steering joint can drive the shell to adjust the angle, and the motor can drive the shell to adjust the position in the circumferential direction. The invention has simple structure, and can realize remote or close derusting of the charged contact by using laser.
Description
Technical Field
The invention relates to a remote online defect eliminating device for a high-voltage isolating switch contact.
Background
When a field operator inspects the contact part of the outdoor isolating switch contact of the open-type transformer substation, the field operator finds that the movable contact and the fixed contact are exposed outdoors for a long time, and the contact spring type stud can be loosened; the surface of the contact is oxidized due to dust, haze and the like, and the defects of increased contact resistance, heat generation and the like are caused by an oxidized rust layer caused by any reason; when the defects occur, the power failure cannot be timely processed.
The traditional mechanical brushing method and chemical rust removal method remove the defects of rust layers and the like, but the engineering is huge and complicated, and the rust powder and the rust remover are not only harmful to the physical health of workers, but also seriously pollute the environment.
The laser rust removal is a new rust removal mode, but if rust removal is carried out on contacts with higher distance or contacts at different positions in the field, the working efficiency is not high;
disclosure of Invention
In order to solve the problems, the invention provides a remote online defect eliminating device for a high-voltage isolating switch contact. In order to achieve the purpose, the invention provides the following technical scheme:
the remote online defect eliminating device for the high-voltage isolating switch contact comprises a controller and a laser device; the laser device comprises a laser and a shell, wherein the laser is arranged in the shell; the controller controls laser emission of the laser; a jack is dug in the shell, and laser generated by the laser is emitted from the jack; the top of the shell is provided with a camera, and the optical center of the camera and the axis of a laser head of the laser are positioned on the same plane;
the laser device also comprises a motor and a turntable; the main shaft of the motor is connected with the turntable, and the motor drives the turntable to rotate; a steering joint is arranged between the turntable and the shell; the controller is in signal connection or electric connection with the motor and the steering joint respectively; the steering joint can drive the shell to adjust the angle, and the motor can drive the shell to adjust the position in the circumferential direction.
Preferably, the controller is an industrial personal computer, an image storage module, a calculation module, an execution module and an amplification module are installed in the industrial personal computer, and the image storage module is respectively in signal connection or electric connection with the calculation module and the amplification module; the camera is used for transmitting images on the surface of the contact and transmitting the images to the image storage module; the computing module is in signal connection or electric connection with the execution module, and the execution module controls the laser to be started; the amplifying module amplifies the image transmitted by the image storage module, and the calculating module selects parameters emitted by the laser through the amplified image.
As a further preference, a water tank and a pipeline are arranged on the outer surface of the shell; the water tank is filled with cooling liquid, the water tank is communicated with the pipeline, and the cooling liquid in the water tank circulates through the pipeline; the main control board is arranged at the bottom of the water tank and can refrigerate, so that cooling liquid in the water tank can be further cooled, the main control board is in signal connection or electric connection with the controller, and the controller controls the starting of the main control board;
compared with the prior art, the invention has the beneficial effects that:
(1) the rust layer removing step is simple, the laser emission distance is long, and the rust removing operation can be performed on the contact with the higher position.
(2) The problem that the isolating switch contact cannot be cleaned in an electrified mode to be dirty is solved, meanwhile, the temperature of the isolating switch can be effectively reduced, and the isolating switch device has the advantages of no material consumption, portability, low temperature resistance and the like.
Description of the drawings:
FIG. 1 is a schematic view of a laser apparatus;
description of the figures: the device comprises a contact A, a shell 1, a jack 2, a camera 3, a motor 4, a turntable 5, a steering joint 6, a support 7, a water tank 8 and a pipeline 9;
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the dirt on the contact generally comprises impurities deposited on the contact A in the air, and then a rust layer formed by oxidation or rain on the contact A, so that the impurities and the rust layer are required to be removed.
Removing impurities on the contact or removing a rust layer by a laser rust removal mode, wherein laser is emitted by a laser device; the structure of the laser device is described in detail below;
the laser device comprises a laser and a shell 1, wherein the laser can be a common optical fiber transmitter or a dual-wavelength laser;
the laser is arranged in the shell 1; a jack 2 is dug in the shell 1, and laser generated by the laser is emitted from the jack 2; the top of the shell 1 is provided with the camera 3, the optical center of the camera 3 and the axis of a laser head of the laser are positioned on the same plane, and when the position of the contact is observed, the deviation is small, so that the contact is easy to check;
the situation that only one contact is located in the same area is rare, after the rust layer of one contact is removed, the laser device needs to be manually moved to change the position, and the operation is inconvenient; in order to solve the problems, the laser device also comprises a motor 4 and a turntable 5; a main shaft of the motor 4 is connected with the turntable 5, and the motor 4 drives the turntable 5 to rotate; a steering joint 6 is arranged between the rotary table 5 and the shell 1, the steering joint 6 can drive the shell 1 to adjust the angle, and the motor 4 can drive the shell 1 to adjust the position in the circumferential direction, so that the rust removal of contacts in different directions and different heights is realized.
The starting of the motor 4 and the steering of the steering joint 6 can be realized through remote operation, if the remote operation is required, the starting of the motor 4 and the steering work of the steering joint 6 also need to be matched with other components, for example, components such as a sensor and the like need to be matched on the steering joint 6 to receive a steering instruction and the like; here, the steering of the steering joint 6 and the starting of the motor 4 are performed by using a technology which can realize remote operation in the prior art, such as a technology of automatic steering of a camera, a technology of automatic steering of a locomotive and the like.
Of course the laser itself is manually switched on and off.
The derusting work is generally carried out in the field, in order to protect the laser device, a bracket 7 is arranged at the bottom of the turntable, the motor 4 is also conveniently fixed on the bracket 7, and a main shaft of the motor 4 penetrates through the top of the bracket 7 and then is connected with the turntable 5;
when the rust removal is carried out in the wild, the weather is very cold and very hot, and in order to keep the temperature or cool the laser device, a water tank 8 and a pipeline 9 are arranged on the outer surface of the shell 1; the water tank 8 is filled with cooling liquid, the water tank 8 is communicated with the pipeline 9, and the cooling liquid in the water tank 8 circulates through the pipeline 9; the bottom of the water tank 8 is provided with a main control board which can cool the cooling liquid in the water tank 8, so that the cooling liquid can cool the heating part of the laser; the main control board is in signal connection or electric connection with a controller, and the controller controls the starting of the main control board; in order to facilitate the circulation of the cooling liquid, the pipeline 9 is arranged at the bottom of the water tank 8 as much as possible, and even if the water flow circulation is not smooth, the temperature compensation can be carried out on the laser device in the harsh heat as long as the cooling liquid in the pipeline 9 has a certain cooling temperature; even if the main control board does not work, the cooling liquid has the cooling effect, even the simplest radiator, cooling pump and the like can realize the cooling purpose, and the prior art also has a plurality of control boards for controlling the heating or cooling of the liquid, such as a water cooler temperature controller, so the main control board in the invention can be selected from the prior art;
as another preferred embodiment, a temperature sensing probe is mounted on the housing 1 near the camera 3, and the temperature sensing probe is also in signal connection or electrical connection with the execution module, and the temperature sensing probe can sense the temperature of the contact and transmit the sensed temperature to the industrial personal computer. When the sensed surface temperature of the contact exceeds the set temperature, the execution module sends a signal for stopping laser emission to the laser, and the laser stops working to wait for further instructions.
The laser device is controlled by a controller, and the controller controls the laser emission of the laser; the controller is an industrial personal computer, an image storage module, a calculation module, an execution module and an amplification module are installed in the industrial personal computer, and the image storage module is in signal connection or electric connection with the calculation module and the amplification module respectively; the computing module is in signal connection or electric connection with the execution module, and the execution module controls the laser to be started; the amplifying module amplifies the image transmitted by the image storage module, so that the image can be conveniently and accurately judged by the calculating module, the selected parameters are more suitable, and how to select the parameters can be realized by the technical scheme in the prior art.
As a preferred embodiment, the system further comprises a labeling module, wherein the labeling module is respectively in signal connection with the computing module and the execution module; the marking module can grab a certain point on the image, so that image grabbing is completed;
when the camera 3 transmits an image to the image storage module, the image storage module can transmit the image to the calculation module again, the image received by the calculation module can be amplified by the amplification module, the calculation module selects laser parameters through the amplified image, after the parameter selection is completed, a certain area on the image can be selected by the marking module for laser processing, and after the area selection is completed, the execution module adjusts the position of the laser according to the area selected by the marking module, so that the laser head of the laser aims at the position selected by the marking module for local rust removal;
the invention can realize remote and close rust removal, the effective laser emission distance can reach 15 meters, and the laser emission distance can be prolonged under the condition of increasing the power;
the following describes the method of use of the device:
(1) firstly, starting a camera to capture a part needing rust removal on a contact, transmitting a captured image to an image storage module, amplifying the image by an amplifying module, then selecting parameters by a computing module according to the amplified image, sending the parameters to an execution module after the parameters are selected, and then controlling the laser to be started by the execution module;
(2) then, the first stage of fragmentation stripping is carried out: irradiating a rusted part on the surface of the rust removal by using laser generated by a laser, so that pollutant fine particles are cracked and overcome surface suction force due to instant heat absorption expansion, and are separated from the surface of the contact, transmitting a picture of the pollutant separated from the surface of the contact to an image storage module by using a camera, and adjusting parameters of the laser by using the storage module according to the picture transmitted by the storage module;
(3) and performing vibration ejection of a second stage: continuously utilizing the laser to irradiate the rusty part, enabling the contact to generate ultrasonic vibration, further generating shock waves to vibrate and crush the rusty rust layer, popping out the rusty rust layer from the surface of the contact, enabling the camera to transmit the image of the popped-out contact surface after the rusty rust layer is vibrated and crushed to the image storage module again, and enabling the execution module to stop the emission of the laser according to the command of the calculation module.
(4) If the position of the laser needs to be changed, the controller is used for adjusting the position of the turntable or the steering joint, so that the emitting angle of the laser changes;
the invention can remove rust on the rusty contact under the condition of no power failure, eliminates the defects on the contact, has high working efficiency, is particularly a good choice for removing rust in high-altitude operation, and particularly can lead the laser to rotate along with the shell, thereby eliminating the defects of the contact at other positions under the condition of not moving the whole device.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (6)
1. The remote online defect eliminating device for the high-voltage isolating switch contact comprises a controller and a laser device; the laser device comprises a laser and a shell, wherein the laser is arranged in the shell; the controller controls laser emission of the laser; a jack is dug in the shell, and laser generated by the laser is emitted from the jack; the method is characterized in that: the top of the shell is provided with a camera, and the optical center of the camera and the axis of a laser head of the laser are positioned on the same plane;
the laser device also comprises a motor and a turntable; the main shaft of the motor is connected with the turntable, and the motor drives the turntable to rotate; a steering joint is arranged between the turntable and the shell; the controller is in signal connection or electric connection with the motor and the steering joint respectively; the steering joint can drive the shell to adjust the angle, and the motor can drive the shell to adjust the position in the circumferential direction.
2. The high-voltage disconnecting switch contact remote online defect eliminating device according to claim 1, wherein:
the controller is an industrial personal computer, an image storage module, a calculation module, an execution module and an amplification module are installed in the industrial personal computer, and the image storage module is in signal connection or electric connection with the calculation module and the amplification module respectively; the camera is used for transmitting images on the surface of the contact and transmitting the images to the image storage module; the computing module is in signal connection or electric connection with the execution module, and the execution module controls the laser to be started; the amplifying module amplifies the image transmitted by the image storage module, and the calculating module selects parameters emitted by the laser through the amplified image.
3. The high-voltage disconnecting switch contact remote online defect eliminating device according to claim 2, wherein: the system also comprises a marking module which is in signal connection with the execution module; the marking module can capture images on the images, and the execution module adjusts the angle of the laser according to the captured images.
4. The high-voltage disconnecting switch contact remote online defect eliminating device according to claim 1, wherein:
a water tank and a pipeline are arranged on the outer surface of the shell; the water tank is filled with cooling liquid and communicated with the pipeline,
the cooling liquid in the water tank circulates through a pipeline; wherein the bottom of basin is installed the main control board, the main control board can control the coolant liquid in the basin and cool off the part that generates heat of laser instrument, the main control board is connected with controller signal or electricity, the start-up of main control board is controlled to the controller.
5. The high-voltage disconnecting switch contact remote online defect eliminating device according to claim 1, wherein: the parameters of the laser emitted by the laser include optical power output, wavelength, time.
6. The high-voltage disconnecting switch contact remote online defect eliminating device according to claim 2, wherein: and a temperature sensing probe is arranged on the shell near the camera and senses the temperature of the contact and transmits the sensed temperature to the industrial personal computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911171302.4A CN111055017A (en) | 2019-11-26 | 2019-11-26 | Remote online defect eliminating device for high-voltage isolating switch contact |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911171302.4A CN111055017A (en) | 2019-11-26 | 2019-11-26 | Remote online defect eliminating device for high-voltage isolating switch contact |
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| CN111055017A true CN111055017A (en) | 2020-04-24 |
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| CN201911171302.4A Pending CN111055017A (en) | 2019-11-26 | 2019-11-26 | Remote online defect eliminating device for high-voltage isolating switch contact |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798681A (en) * | 2021-08-17 | 2021-12-17 | 山东泰开隔离开关有限公司 | Laser rust removal system and rust removal method for disconnecting switch contact |
| CN113889913A (en) * | 2020-12-07 | 2022-01-04 | 国网黑龙江省电力有限公司鹤岗供电公司 | Portable system for removing obstacles of high-voltage transmission line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113889913A (en) * | 2020-12-07 | 2022-01-04 | 国网黑龙江省电力有限公司鹤岗供电公司 | Portable system for removing obstacles of high-voltage transmission line |
| CN113889913B (en) * | 2020-12-07 | 2023-01-17 | 国网黑龙江省电力有限公司鹤岗供电公司 | Portable system for removing obstacles of high-voltage transmission line |
| CN113798681A (en) * | 2021-08-17 | 2021-12-17 | 山东泰开隔离开关有限公司 | Laser rust removal system and rust removal method for disconnecting switch contact |
| CN113798681B (en) * | 2021-08-17 | 2023-10-03 | 山东泰开隔离开关有限公司 | Laser rust removing system and method for disconnecting switch contact |
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Effective date of registration: 20210818 Address after: 137400 79 Lingyuan Road, Ulanhot City, Xing'an League, Inner Mongolia Autonomous Region Applicant after: XINGAN POWER SUPPLY COMPANY, STATE GRID EAST INNER MONGOLIA ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 100017 Beijing Xicheng District West Chang'an Avenue 86 Applicant before: STATE GRID CORPORATION OF CHINA Applicant before: XINGAN POWER SUPPLY COMPANY, STATE GRID EAST INNER MONGOLIA ELECTRIC POWER Co.,Ltd. Applicant before: BEIJING ZHONGKE CHUANGSHI TECHNOLOGY DEVELOPMENT Co.,Ltd. |