CN220508103U - On-line monitoring device for transformer - Google Patents
On-line monitoring device for transformer Download PDFInfo
- Publication number
- CN220508103U CN220508103U CN202321773530.0U CN202321773530U CN220508103U CN 220508103 U CN220508103 U CN 220508103U CN 202321773530 U CN202321773530 U CN 202321773530U CN 220508103 U CN220508103 U CN 220508103U
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- seat
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses an on-line monitoring device for a transformer, which belongs to the field of transformer monitoring and comprises a bottom plate, four rubber blocks are fixedly connected to four corners of the upper surface of the bottom plate, seat plates for placing the transformer are fixedly connected to the tops of the four rubber blocks together, a displacement sensor for monitoring the displacement of the seat plates is fixedly connected to the middle part of the bottom plate, and a locking mechanism for fixing the transformer on the upper surface of the seat plates is arranged on the upper surface of the seat plates. According to the utility model, the base plate and the seat plate are relatively displaced through vibration generated when the transformer runs, the larger the amplitude generated by vibration is, the larger the displacement between the base plate and the seat plate is, the displacement between the base plate and the seat plate is continuously monitored by the displacement sensor, and when the displacement amplitude between the base plate and the seat plate is larger, the displacement between the base plate and the seat plate is known through the terminal, so that the transformer can be overhauled in time.
Description
Technical Field
The utility model relates to the technical field of transformer monitoring, in particular to an on-line monitoring device for a transformer.
Background
The power transformer is one of the most important equipment in the power grid, the normal operation of the transformer is maintained to relate to the safety of the whole power grid, however, the transformer can be influenced by electric, chemical, mechanical, thermal and environmental stresses in operation, so that faults occur to windings and iron cores, the faults of the transformer have great influence on the power grid, once sudden accidents occur in the operation of the large-scale power transformer, large-scale power failure accidents can be caused, serious adverse social influence and economic loss are caused, the maintenance cost of the power transformer is high, the period is long, and various generated economic losses are huge.
In the prior art, the monitoring of the transformer is usually on-site observation, real-time monitoring cannot be achieved, labor capacity is increased, feedback of information is not timely, and therefore the transformer is possibly damaged due to untimely maintenance.
Disclosure of Invention
The utility model aims to provide an on-line monitoring device for a transformer, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an on-line monitoring device for transformer, includes the bottom plate, four rubber blocks of upper surface four corners fixedly connected with of bottom plate, four the common fixedly connected with in top of rubber block is used for placing the bedplate of transformer, the middle part fixedly connected with of bottom plate is used for monitoring the displacement sensor of bedplate displacement, the upper surface of bedplate is equipped with the locking mechanical system who is used for fixing the transformer at the bedplate upper surface.
As the further preferred of this technical scheme, locking mechanical system includes the riser, the quantity of riser is four, and four riser is fixed connection in the four corners of bedplate respectively, the middle part threaded connection of riser has the nut, the tip rotation of nut is connected with the mounting panel, fixedly connected with fixed block on the side of mounting panel, the fixed block is laminated with the transformer.
As a further preferable mode of the technical scheme, the lower surfaces of the mounting plate and the fixing block are attached to the upper surface of the seat plate, and a limiting mechanism for further fixing the position of the mounting plate is arranged between the vertical plate and the mounting plate.
As the further preferred of this technical scheme, stop gear includes sleeve and inside sliding connection's ratchet post, sleeve and mounting panel fixed connection, ratchet post and riser fixed connection, fixedly connected with telescopic link that two symmetries set up on the telescopic outer wall, two fixedly connected with rectangular plate between the telescopic link, the lower fixed surface of rectangular plate is connected with the fixture block, offered on the sleeve with fixture block complex hole, the one-way joint of fixture block is on the lateral wall of ratchet post.
As a further preferable mode of the technical scheme, the telescopic rod is sleeved with a tension spring, and two ends of the tension spring are respectively propped against the rectangular plate and the sleeve.
As the further preferred of this technical scheme, the upper surface fixedly connected with mount pad of bedplate, the top fixedly connected with backing plate of mount pad, the upper surface sliding connection of backing plate has the installation piece, set up a plurality of through-holes on the installation piece and be located a plurality of through-holes and be connected with the motor respectively fixedly, the output fixedly connected with pivot of motor, fixedly connected with blade on the lateral wall of pivot, fixedly connected with staple bolt on the installation piece, the staple bolt connects on transformer tank of transformer.
As a further preferable mode of the technical scheme, one side, far away from the anchor ear, of the mounting block is fixedly connected with a mounting rod, the mounting rod is fixedly connected with temperature sensors corresponding to the through holes, and one side, close to the anchor ear, of the mounting block is provided with a ventilation groove.
The utility model provides an on-line monitoring device for a transformer, which has the following beneficial effects:
(1) According to the utility model, the base plate and the seat plate are relatively displaced through vibration generated when the transformer runs, the larger the amplitude generated by vibration is, the larger the displacement between the base plate and the seat plate is, the displacement between the base plate and the seat plate is continuously monitored by the displacement sensor, and when the displacement amplitude between the base plate and the seat plate is larger, the displacement between the base plate and the seat plate is known through the terminal, so that the transformer can be overhauled in time.
(2) According to the utility model, the extracted hot air is captured by the temperature sensor, the temperature sensor sends the captured heat to the terminal, the heat is monitored at the terminal in real time, if the captured heat of the temperature sensor is higher, the transformer has large heat productivity, abnormal operation possibly occurs, and the transformer needs to be overhauled in time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the rubber block of the present utility model;
FIG. 3 is a schematic view of the structure of the fixing block of the present utility model;
FIG. 4 is a schematic view of a limiting mechanism according to the present utility model;
fig. 5 is a schematic view of the structure of the mounting block of the present utility model.
In the figure: 1. a bottom plate; 11. a rubber block; 12. a displacement sensor; 13. a seat plate; 2. a vertical plate; 21. a nut; 22. a mounting plate; 23. a fixed block; 24. a limiting mechanism; 241. a sleeve; 242. a ratchet post; 243. a rectangular plate; 244. a telescopic rod; 245. a tension spring; 246. a clamping block; 3. a mounting base; 31. a backing plate; 32. a mounting block; 33. a hoop; 34. a motor; 35. a rotating shaft; 36. a blade; 37. a mounting rod; 38. a temperature sensor; 39. a ventilation groove.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1 and 2, in this embodiment, an on-line monitoring device for a transformer includes a base plate 1, four rubber blocks 11 are fixedly connected to four corners of an upper surface of the base plate 1, a seat plate 13 for placing the transformer is fixedly connected to top portions of the four rubber blocks 11 together, a displacement sensor 12 for monitoring displacement of the seat plate 13 is fixedly connected to a middle portion of the base plate 1, and a locking mechanism for fixing the transformer to an upper surface of the seat plate 13 is arranged on an upper surface of the seat plate 13.
When the transformer is in use, the bottom plate 1 is placed at a flat position, the transformer is fixedly installed on the seat plate 13 by the locking mechanism, when the transformer is in vibration during operation, the rubber block 11 between the bottom plate 1 and the seat plate 13 buffers the vibration, the vibration generated during operation of the transformer enables relative displacement to occur between the bottom plate 1 and the seat plate 13, the larger the amplitude generated by the vibration is, the larger the displacement between the bottom plate 1 and the seat plate 13 is, the displacement between the bottom plate 1 and the seat plate is continuously monitored by the displacement sensor 12, and when the displacement amplitude between the bottom plate and the seat plate is larger, the transformer can be obtained through the terminal, so that the transformer can be overhauled in time.
As shown in fig. 1 and 3, the locking mechanism comprises four vertical plates 2, the number of the vertical plates 2 is four, the four vertical plates 2 are respectively and fixedly connected to four corners of the seat plate 13, nuts 21 are in threaded connection with the middle parts of the vertical plates 2, mounting plates 22 are rotatably connected to the end parts of the nuts 21, fixing blocks 23 are fixedly connected to the side surfaces of the mounting plates 22, and the fixing blocks 23 are attached to the transformer.
When the transformer is locked, the nut 21 is rotated to enable the nut 21 to axially move relative to the plate 2, and then the nut 21 pushes the mounting plate 22 to move, so that the mounting plate 22 drives the fixing blocks 23 to move towards the transformer, and meanwhile, the four fixing blocks 23 are controlled to move towards the transformer, so that the transformer can be fixed on the seat plate 13.
As shown in fig. 1, 3 and 4, the lower surfaces of the mounting plate 22 and the fixing block 23 are bonded to the upper surface of the seat plate 13, and a stopper mechanism 24 for further fixing the position of the mounting plate 22 is provided between the standing plate 2 and the mounting plate 22.
Mounting panel 22 and fixed block 23 lower surface and bedplate 13 laminating for fixed block 23 can not take place the upset when removing, and then guarantees that fixed block 23 can be with the firm joint of transformer on bedplate 13, and stop gear 24's setting makes the transformer when vibrations, can not lead to nut 21 to receive vibrations rotation and lead to the fixed effect to the transformer to worsen.
As shown in fig. 3 and 4, the limiting mechanism 24 includes a sleeve 241 and a ratchet column 242 slidably connected therein, the sleeve 241 is fixedly connected with the mounting plate 22, the ratchet column 242 is fixedly connected with the riser 2, two symmetrically arranged telescopic rods 244 are fixedly connected to the outer wall of the sleeve 241, a rectangular plate 243 is fixedly connected between the two telescopic rods 244, a clamping block 246 is fixedly connected to the lower surface of the rectangular plate 243, a hole matched with the clamping block 246 is formed in the sleeve 241, and the clamping block 246 is unidirectionally clamped on the side wall of the ratchet column 242.
When the nut 21 is rotated to separate the mounting plate 22 from the mounting plate, the ratchet column 242 extends out of the sleeve 241, that is, the total length of the sleeve 241 and the ratchet column 242 is increased, the tooth poking clamping block 246 on the side wall of the ratchet column 242 moves upwards in the process, the displacement of the ratchet column 242 is not blocked in the process, and otherwise the clamping block 246 clamps the ratchet column 242, so that the ratchet column 242 cannot move into the sleeve 241, the position between the mounting plate 22 and the vertical plate 2 is fixed, and the transformer is prevented from being separated from the seat plate 13.
As shown in fig. 4, a tension spring 245 is sleeved on the telescopic rod 244, and two ends of the tension spring 245 respectively prop against the rectangular plate 243 and the sleeve 241.
The tension spring 245 is arranged, so that the rectangular plate 243 and the sleeve 241 have a trend of approaching each other, the clamping effect between the clamping block 246 and the ratchet column 242 is guaranteed, and if the ratchet column 242 is required to be pulled out of the sleeve 241, the rectangular plate 243 is only required to be lifted, so that the clamping block 246 is far away from the ratchet column 242.
As shown in fig. 1 and 5, the upper surface of the seat plate 13 is fixedly connected with a mounting seat 3, the top of the mounting seat 3 is fixedly connected with a base plate 31, the upper surface of the base plate 31 is slidably connected with a mounting block 32, a plurality of through holes are formed in the mounting block 32 and are respectively and fixedly connected with a motor 34 in the plurality of through holes, the output end of the motor 34 is fixedly connected with a rotating shaft 35, the side wall of the rotating shaft 35 is fixedly connected with a blade 36, the mounting block 32 is fixedly connected with a hoop 33, and the hoop 33 is hooped on a transformer tank of a transformer.
The setting of mount pad 3 makes backing plate 31 obtain the support, and when the installation, promotes installation piece 32 for the side of installation piece 32 contacts with the transformer tank of transformer, and connects staple bolt 33 on the transformer tank, makes installation piece 32 and transformer tank firm in contact, and starter motor 34 makes pivot 35 rotate, and then blade 36 on the pivot 35 lateral wall rotate, draws the heat of transformer tank department out, makes transformer oil in the transformer tank obtain the cooling.
As shown in fig. 1 and 5, a mounting rod 37 is fixedly connected to one side, away from the anchor ear 33, of the mounting block 32, a temperature sensor 38 corresponding to the plurality of through holes is fixedly connected to the mounting rod 37, and a ventilation slot 39 is formed in one side, close to the anchor ear 33, of the mounting block 32.
The extracted hot air is captured by the temperature sensor 38, the temperature sensor 38 sends the captured heat to the terminal, the heat is monitored in real time at the terminal, if the captured heat of the temperature sensor 38 is high, the transformer is large in heating value, abnormal operation possibly occurs, the transformer needs to be overhauled in time, and the ventilation groove 39 is arranged to enable external air to enter through the inside of the transformer tank, so that the air can be blown to the transformer oil tank.
The utility model provides an on-line monitoring device for a transformer, which has the following specific working principle:
when the transformer is in use, the bottom plate 1 is placed at a flat position, the transformer is fixedly installed on the seat plate 13 by the locking mechanism, when the transformer is in vibration during operation, the rubber block 11 between the bottom plate 1 and the seat plate 13 buffers the vibration, the vibration generated during operation of the transformer enables relative displacement to occur between the bottom plate 1 and the seat plate 13, the larger the amplitude generated by the vibration is, the larger the displacement between the bottom plate 1 and the seat plate 13 is, the displacement between the bottom plate 1 and the seat plate is continuously monitored by the displacement sensor 12, and when the displacement amplitude between the bottom plate and the seat plate is larger, the transformer can be obtained through the terminal, so that the transformer can be overhauled in time.
When the transformer is locked, the nut 21 is rotated to enable the nut 21 to axially move relative to the plate 2, and then the nut 21 pushes the mounting plate 22 to move, so that the mounting plate 22 drives the fixing blocks 23 to move towards the transformer, and meanwhile, the four fixing blocks 23 are controlled to move towards the transformer, so that the transformer can be fixed on the seat plate 13.
Mounting panel 22 and fixed block 23 lower surface and bedplate 13 laminating for fixed block 23 can not take place the upset when removing, and then guarantees that fixed block 23 can be with the firm joint of transformer on bedplate 13, and stop gear 24's setting makes the transformer when vibrations, can not lead to nut 21 to receive vibrations rotation and lead to the fixed effect to the transformer to worsen.
When the nut 21 is rotated to separate the mounting plate 22 from the mounting plate, the ratchet column 242 extends out of the sleeve 241, that is, the total length of the sleeve 241 and the ratchet column 242 is increased, the tooth poking clamping block 246 on the side wall of the ratchet column 242 moves upwards in the process, the displacement of the ratchet column 242 is not blocked in the process, and otherwise the clamping block 246 clamps the ratchet column 242, so that the ratchet column 242 cannot move into the sleeve 241, the position between the mounting plate 22 and the vertical plate 2 is fixed, and the transformer is prevented from being separated from the seat plate 13.
The tension spring 245 is arranged, so that the rectangular plate 243 and the sleeve 241 have a trend of approaching each other, the clamping effect between the clamping block 246 and the ratchet column 242 is guaranteed, and if the ratchet column 242 is required to be pulled out of the sleeve 241, the rectangular plate 243 is only required to be lifted, so that the clamping block 246 is far away from the ratchet column 242.
The setting of mount pad 3 makes backing plate 31 obtain the support, and when the installation, promotes installation piece 32 for the side of installation piece 32 contacts with the transformer tank of transformer, and connects staple bolt 33 on the transformer tank, makes installation piece 32 and transformer tank firm in contact, and starter motor 34 makes pivot 35 rotate, and then blade 36 on the pivot 35 lateral wall rotate, draws the heat of transformer tank department out, makes transformer oil in the transformer tank obtain the cooling.
The extracted hot air is captured by the temperature sensor 38, the temperature sensor 38 sends the captured heat to the terminal, the heat is monitored in real time at the terminal, if the captured heat of the temperature sensor 38 is high, the transformer is large in heating value, abnormal operation possibly occurs, the transformer needs to be overhauled in time, and the ventilation groove 39 is arranged to enable external air to enter through the inside of the transformer tank, so that the air can be blown to the transformer oil tank.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An on-line monitoring device for a transformer, comprising a base plate (1), characterized in that: four rubber blocks (11) are fixedly connected to four corners of the upper surface of the base plate (1), seat plates (13) for placing transformers are fixedly connected to the tops of the four rubber blocks (11) together, displacement sensors (12) for monitoring displacement of the seat plates (13) are fixedly connected to the middle of the base plate (1), and locking mechanisms for fixing the transformers to the upper surfaces of the seat plates (13) are arranged on the upper surface of the seat plates (13).
2. An on-line monitoring device for transformers according to claim 1, characterized in that: the locking mechanism comprises four vertical plates (2), the four vertical plates (2) are respectively and fixedly connected to four corners of a seat plate (13), nuts (21) are connected to the middle threads of the vertical plates (2), mounting plates (22) are rotatably connected to the end portions of the nuts (21), fixing blocks (23) are fixedly connected to the side faces of the mounting plates (22), and the fixing blocks (23) are attached to a transformer.
3. An on-line monitoring device for transformers according to claim 2, characterized in that: the lower surfaces of the mounting plate (22) and the fixing block (23) are attached to the upper surface of the seat plate (13), and a limiting mechanism (24) for further fixing the position of the mounting plate (22) is arranged between the vertical plate (2) and the mounting plate (22).
4. An on-line monitoring device for transformers according to claim 3, characterized in that: stop gear (24) include sleeve (241) and inside sliding connection's ratchet post (242), sleeve (241) and mounting panel (22) fixed connection, ratchet post (242) and riser (2) fixed connection, fixedly connected with telescopic link (244) that two symmetries set up on the outer wall of sleeve (241), two fixedly connected with rectangular board (243) between telescopic link (244), the lower surface fixedly connected with fixture block (246) of rectangular board (243), offer on sleeve (241) with fixture block (246) complex hole, one-way joint of fixture block (246) is on the lateral wall of ratchet post (242).
5. An on-line monitoring device for transformers according to claim 4, wherein: the telescopic rod (244) is sleeved with a tension spring (245), and two ends of the tension spring (245) respectively prop against the rectangular plate (243) and the sleeve (241).
6. An on-line monitoring device for transformers according to claim 1, characterized in that: the upper surface fixedly connected with mount pad (3) of bedplate (13), the top fixedly connected with backing plate (31) of mount pad (3), the upper surface sliding connection of backing plate (31) has installation piece (32), a plurality of through-holes have been seted up on installation piece (32) and are located a plurality of through-holes and fixedly connected with motor (34) respectively, the output fixedly connected with pivot (35) of motor (34), fixedly connected with blade (36) on the lateral wall of pivot (35), fixedly connected with staple bolt (33) on installation piece (32), staple bolt (33) connect on the transformer tank of transformer.
7. An on-line monitoring device for transformers according to claim 6, wherein: one side of the mounting block (32) far away from the anchor ear (33) is fixedly connected with a mounting rod (37), a temperature sensor (38) corresponding to a plurality of through holes is fixedly connected to the mounting rod (37), and a ventilation groove (39) is formed in one side of the mounting block (32) close to the anchor ear (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773530.0U CN220508103U (en) | 2023-07-06 | 2023-07-06 | On-line monitoring device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773530.0U CN220508103U (en) | 2023-07-06 | 2023-07-06 | On-line monitoring device for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508103U true CN220508103U (en) | 2024-02-20 |
Family
ID=89867925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321773530.0U Active CN220508103U (en) | 2023-07-06 | 2023-07-06 | On-line monitoring device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508103U (en) |
-
2023
- 2023-07-06 CN CN202321773530.0U patent/CN220508103U/en active Active
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