CN215728536U - Equipment for fault detection of dry reactor in transformer substation - Google Patents
Equipment for fault detection of dry reactor in transformer substation Download PDFInfo
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- CN215728536U CN215728536U CN202122223594.0U CN202122223594U CN215728536U CN 215728536 U CN215728536 U CN 215728536U CN 202122223594 U CN202122223594 U CN 202122223594U CN 215728536 U CN215728536 U CN 215728536U
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Abstract
The utility model discloses equipment for detecting faults of a dry-type reactor in a transformer substation, which comprises a coil, wherein the bottom end of the coil is fixedly connected with a star-shaped frame, the bottom end of the star-shaped frame is fixedly connected with an insulating base, the bottom end of the side surface of the coil is provided with a working base, the top end of the working base is provided with a sliding groove, a rotating ring is movably connected in the sliding groove of the working base, the top end of the rotating ring is fixedly connected with a hollow gear, and the top end of the hollow gear is fixedly connected with a mounting plate. The two modes are matched to effectively detect fault points, so that the detection is more accurate.
Description
Technical Field
The utility model relates to the technical field of circuit fault maintenance, in particular to equipment for detecting faults of a dry reactor in a transformer substation.
Background
The dry-type reactor is widely applied to a transformer substation, plays roles in current limiting, reactive compensation and the like in a power grid, and plays a significant role in improving the reliability of a power system.
The main reason of the dry-type reactor operation failure is that inter-turn insulation breakdown of a winding coil is caused by damp, partial discharge, local overheating insulation burning loss and the like of the coil, inter-turn short-circuit failure accounts for more than 70% of total failure of the reactor according to incomplete statistics, the reactor is cut off from a power grid after the failure occurs, equipment is seriously burned out and cannot be maintained and used, meanwhile, potential safety hazards can be brought to other electrical equipment around the station, the accident can be further expanded, and greater economic loss is caused
The prior art is not enough: at present, an effective reactor running state detection means is lacked in the network, faults cannot be found in time and pre-control measures are taken, and the requirements for accurate mastering of the running state of the equipment, accurate identification of abnormal early stages, accurate fault positioning and early warning of fault risk pre-judgment are particularly urgent for improving the intrinsic safety of the equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects in the prior art, embodiments of the present invention provide an apparatus for detecting a fault of a dry-type reactor in a substation, so as to solve the above problems in the background art.
As shown in fig. 1 to 4, in order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an equipment that dry reactor fault detection used in transformer substation, includes the coil, the bottom fixedly connected with star frame of coil, the bottom fixedly connected with insulating base of star frame, the bottom of coil side is equipped with the work base, the spout has been seted up on the top of work base, swing joint has the swivel becket in the spout of work base, the top fixedly connected with hollow gear of swivel becket, hollow gear's top fixedly connected with mounting panel, the top of mounting panel is equipped with the installation piece, the top fixedly connected with photoelectric detector of installation piece side, the bottom fixedly connected with thermal infrared imager of installation piece side.
In a preferred embodiment, the outer edge of the hollow gear is in transmission connection with rotating gears, the gears are all meshed with each other, a rotating shaft is fixedly connected inside the rotating gears, a limiting block is fixedly connected to the top end of the rotating shaft, and a rotating motor is movably connected to the bottom end of the rotating shaft.
In a preferred embodiment, the top fixedly connected with limiting plate of hollow gear, the bottom of limiting plate side and the side fixed connection of mounting panel, the top fixedly connected with motor fixed plate of limiting plate, the top fixedly connected with moving motor of motor fixed plate, moving motor's bottom swing joint has the rotation screw rod, the inside of installation piece is seted up threaded hole, the rotation screw rod is located the threaded hole of installation piece, rotate screw rod and installation piece threaded connection.
In a preferred embodiment, a limiting groove is formed in the bottom end of the sliding groove of the working base, a limiting ring is movably connected in the limiting groove of the working base, and the top end of the limiting ring is fixedly connected with the bottom end of the rotating ring.
In a preferred embodiment, a motor insulating shell is fixedly connected to the bottom end of the side surface of the rotating shaft, and the rotating motor is located inside the motor insulating shell.
In a preferred embodiment, a chute is formed in one side of the limiting plate close to the mounting block, a limiting block is movably connected in the chute of the limiting plate, and one side of the limiting block far away from the limiting plate is fixedly connected with the side face of the mounting block.
The utility model has the technical effects and advantages that:
1. the infrared thermal imager receives infrared rays radiated by the surface of the power equipment, and generates a thermal image finally through photoelectric conversion of the detector, an abnormal point is found for detection, the photoelectric detector detects ultraviolet light radiated by the light, and the fault point can be effectively detected through the cooperation of the two modes;
2. the utility model is beneficial to omnibearing detection by arranging the rotating screw rod, the hollow gear, the transmission gear and the rotating shaft, and the photoelectric detector and the thermal infrared imager can rotate by three hundred and sixty degrees around the dry-type reactor by the drive of the gear transmission and the rotating shaft, so that the detection is free of dead points, the detection effect is more accurate, and the detection is more timely.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded view of the spacing structure of the present invention.
Fig. 3 is a schematic view of the rotating structure of the present invention.
FIG. 4 is a schematic diagram of a detection structure according to the present invention.
The reference signs are: 1. a coil; 2. a spider frame; 3. an insulating base; 4. a hollow gear; 5. a moving motor; 6. a motor fixing plate; 7. a limiting plate; 8. rotating the screw; 9. a working base; 10. a rotating ring; 11. a limiting ring; 12. a motor insulating housing; 13. rotating the motor; 14. a rotating shaft; 15. a limiting block; 16. a rotating gear; 17. mounting a plate; 18. mounting blocks; 19. a photodetector; 20. a thermal infrared imager; 21. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides equipment for detecting a fault of a dry-type reactor in a transformer substation, which comprises a coil 1, wherein the bottom end of the coil 1 is fixedly connected with a star frame 2, the bottom end of the star frame 2 is fixedly connected with an insulating base 3, the bottom end of the side surface of the coil 1 is provided with a working base 9, the top end of the working base 9 is provided with a sliding groove, a rotating ring 10 is movably connected in the sliding groove of the working base 9, the top end of the rotating ring 10 is fixedly connected with a hollow gear 4, the top end of the hollow gear 4 is fixedly connected with a mounting plate 17, the top end of the mounting plate 17 is provided with a mounting block 18, the top end of the side surface of the mounting block 18 is fixedly connected with a photoelectric detector 19, and the bottom end of the side surface of the mounting block 18 is fixedly connected with an infrared thermal imager 20.
Further, hollow gear 4's outer edge transmission is connected with rotating gear 16, the equal intermeshing of gear, rotating gear 16's inside fixedly connected with axis of rotation 14, the top fixedly connected with restriction piece 15 of axis of rotation 14, the bottom swing joint of axis of rotation 14 has rotating motor 13, drive axis of rotation 14 through rotating motor 13 and rotate, thereby make hollow gear 4 rotate, make the mounting panel 17 of hollow gear 4 top can drive installation piece 18 and move rather than the detector of side, all can detect around the dry-type reactor, the result of detection is more accurate.
Further, the top fixedly connected with limiting plate 7 of hollow gear 4, the bottom of limiting plate 7 side and the side fixed connection of mounting panel 17, the top fixedly connected with motor fixed plate 6 of limiting plate 7, the top fixedly connected with mobile motor 5 of motor fixed plate 6, the bottom swing joint of mobile motor 5 has rotating screw 8, the inside threaded hole of installation piece 18 is seted up, rotating screw 8 is located the threaded hole of installation piece 18, rotating screw 8 and 18 threaded connection of installation piece, drive rotating screw 8's rotation through mobile motor 5, thereby make installation piece 18 reciprocate, installation piece 18 reciprocates and can carry out the detection at no dead angle to the optional position of dry-type reactor week, improve the degree of accuracy of testing result, and the degree of freedom that detects is higher.
Further, the spacing groove has been seted up to the bottom of work base 9 spout, work base 9's spacing inslot swing joint has spacing ring 11, the top of spacing ring 11 and the bottom fixed connection of rotating ring 10, position through spacing ring 11 restriction hollow gear 4 and rotating ring 10 removal, guarantee that the fluctuation of vertical direction can not appear when moving hollow gear 4 and rotating ring 10, rotating ring 10 can guarantee that hollow gear 4 can wind hollow gear 4's circular rotation when rotating, the unable meshed condition of gear can not appear.
Further, the bottom fixedly connected with motor insulation cover 12 of axis of rotation 14 side, rotation motor 13 is located the inside of motor insulation cover 12, fixes rotation motor 13 through motor insulation cover 12, makes rotation motor 13 more stable at the during operation, and motor insulation cover 12 is insulating material, prevents that the during operation can lead to the fact the influence to rotation motor 13 in the circuit, guarantees the smooth operation of rotation motor 13.
Further, the spout has been seted up to one side that limiting plate 7 is close to installation piece 18, swing joint has stopper 21 in the spout of limiting plate 7, one side that limiting plate 7 was kept away from to stopper 21 and the side fixed connection of installation piece 18, restrict installation piece 18 through stopper 21, when making rotation screw 8 drive installation piece 18 rotate, installation piece 18 can not produce the rotation, only can reciprocate, can reach the effect that all detects the upper and lower position of dry-type reactor, and can make installation piece 18 more stable when removing.
The working principle of the utility model is as follows:
when detection is carried out, a rotating motor 13 is started, the rotating motor 13 is started to drive a rotating shaft 14 to rotate, the rotating shaft 14 drives a limiting block 15 to rotate, the limiting block 15 rotates to drive a hollow gear 4 to rotate, a limiting ring 11 limits the hollow gear 4 to rotate around the center of the hollow gear 4, the hollow gear 4 rotates through a mounting plate 17 when rotating, the mounting plate 17 rotates to drive a rotating screw 8 to synchronously rotate, the rotating screw 8 drives a mounting block 18 to move, and the mounting block 18 drives a photoelectric detector 19 on the side face and an infrared thermal imager 20 to move and can carry out detection around the periphery of a dry reactor;
and step two, the movable motor 5 is started to drive the rotary screw 8 to rotate, the rotary screw 8 rotates to drive the mounting block 18 to move up and down due to the limitation of the limiting block 21, the mounting block 18 moves up and down to drive the photoelectric detector 19 and the thermal infrared imager 20 to move up and down, the photoelectric detector 19 and the thermal infrared imager 20 can detect any position around the dry-type reactor, the photoelectric detector 19 and the thermal infrared imager 20 can detect simultaneously, no dead angle exists in the detection process, and the detection effect is more accurate.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. The utility model provides an equipment that dry reactor fault detection used in transformer substation, includes coil (1), its characterized in that: the bottom fixedly connected with star frame (2) of coil (1), the bottom fixedly connected with insulator foot (3) of star frame (2), the bottom of coil (1) side is equipped with work base (9), the spout has been seted up on the top of work base (9), swing joint has swivel ring (10) in the spout of work base (9), the top fixedly connected with hollow gear (4) of swivel ring (10), the top fixedly connected with mounting panel (17) of hollow gear (4), the top of mounting panel (17) is equipped with installation piece (18), the top fixedly connected with photoelectric detector (19) of installation piece (18) side, the bottom fixedly connected with thermal infrared imager (20) of installation piece (18) side.
2. The equipment for detecting the fault of the dry reactor in the transformer substation according to claim 1, is characterized in that: the outer edge of the hollow gear (4) is connected with a rotating gear (16) in a transmission mode, the gears are meshed with each other, a rotating shaft (14) is fixedly connected to the inside of the rotating gear (16), a limiting block (15) is fixedly connected to the top end of the rotating shaft (14), and a rotating motor (13) is movably connected to the bottom end of the rotating shaft (14).
3. The equipment for detecting the fault of the dry reactor in the transformer substation according to claim 1, is characterized in that: the utility model discloses a mounting structure, including the top fixedly connected with limiting plate (7) of hollow gear (4), the bottom of limiting plate (7) side and the side fixed connection of mounting panel (17), the top fixedly connected with motor fixed plate (6) of limiting plate (7), the top fixedly connected with moving motor (5) of motor fixed plate (6), the bottom swing joint of moving motor (5) has rotation screw rod (8), the threaded hole is seted up to the inside of installation piece (18), it is located the threaded hole of installation piece (18) to rotate screw rod (8), rotate screw rod (8) and installation piece (18) threaded connection.
4. The equipment for detecting the fault of the dry reactor in the transformer substation according to claim 1, is characterized in that: the limiting groove is formed in the bottom end of the sliding groove of the working base (9), a limiting ring (11) is movably connected in the limiting groove of the working base (9), and the top end of the limiting ring (11) is fixedly connected with the bottom end of the rotating ring (10).
5. The equipment for detecting the fault of the dry reactor in the transformer substation according to claim 2, is characterized in that: the bottom end of the side face of the rotating shaft (14) is fixedly connected with a motor insulating shell (12), and the rotating motor (13) is located inside the motor insulating shell (12).
6. The equipment for detecting the fault of the dry reactor in the transformer substation according to claim 3, is characterized in that: the limiting plate is characterized in that a sliding groove is formed in one side, close to the mounting block (18), of the limiting plate (7), a limiting block (21) is movably connected into the sliding groove of the limiting plate (7), and one side, far away from the limiting plate (7), of the limiting block (21) is fixedly connected with the side face of the mounting block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122223594.0U CN215728536U (en) | 2021-09-15 | 2021-09-15 | Equipment for fault detection of dry reactor in transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122223594.0U CN215728536U (en) | 2021-09-15 | 2021-09-15 | Equipment for fault detection of dry reactor in transformer substation |
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| Publication Number | Publication Date |
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| CN215728536U true CN215728536U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122223594.0U Active CN215728536U (en) | 2021-09-15 | 2021-09-15 | Equipment for fault detection of dry reactor in transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117949793A (en) * | 2024-03-26 | 2024-04-30 | 国网江苏省电力有限公司无锡供电分公司 | Dry type air-core reactor fault assessment method and dry type air-core reactor |
-
2021
- 2021-09-15 CN CN202122223594.0U patent/CN215728536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117949793A (en) * | 2024-03-26 | 2024-04-30 | 国网江苏省电力有限公司无锡供电分公司 | Dry type air-core reactor fault assessment method and dry type air-core reactor |
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