CN220041580U - Fixing device for sealing and installing current transformer coil in box - Google Patents
Fixing device for sealing and installing current transformer coil in box Download PDFInfo
- Publication number
- CN220041580U CN220041580U CN202321716917.2U CN202321716917U CN220041580U CN 220041580 U CN220041580 U CN 220041580U CN 202321716917 U CN202321716917 U CN 202321716917U CN 220041580 U CN220041580 U CN 220041580U
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- Prior art keywords
- secondary winding
- current transformer
- lifting
- fixing device
- transformer coil
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- 238000007789 sealing Methods 0.000 title claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 101
- 238000009434 installation Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a fixing device for sealing and installing a current transformer coil in a box, which relates to the technical field of current transformers. The current transformer coil fixing device is arranged in the box in a sealing way, and can be used for adjusting the secondary winding in the upper direction, the lower direction, the left direction and the right direction, so that the flexibility is good, the operability is strong, the die filling efficiency is greatly improved, the reliability of an insulating space of the secondary winding is ensured, and the stability and the reliability of the transformer are improved.
Description
Technical Field
The utility model relates to the technical field of current transformers, in particular to a fixing device for sealing and installing a coil of a current transformer in a box.
Background
The gas-insulated transformer is developed and popularized and applied in the 70 s of the 20 th century, is matched with a combined electrical apparatus (GIS) for use at first, and is gradually developed into an independent current transformer later. Taking the current transformer in the box as an example, the SF6 gas is used as main insulation for the current transformer in the box, and the SF6 high-voltage current transformer is of a fully-closed structure, has the characteristics of explosion prevention, flame retardance, small volume, light weight, simplicity in manufacturing, convenience in maintenance and the like, and has a wide market.
Because the secondary lead-out wire position of partial product is directly over the secondary winding, be difficult to accurate control the position that the secondary winding was arranged in the die cavity when the die filling, the operable degree of difficulty is big, and insulating space control is unstable, easily causes the product partial discharge unqualified, epoxy stress is inhomogeneous, easy problem such as fracture, consequently, we have proposed a incasement sealed installation current transformer coil fixing device to solve above-mentioned problem.
Disclosure of Invention
The utility model provides a fixing device for sealing and installing a current transformer coil in a box, which has the advantages of being capable of adjusting a secondary winding in the upper direction, the lower direction, the left direction and the right direction, good in flexibility and strong in operability, greatly improving die-filling efficiency and guaranteeing the reliability of an insulation space of the secondary winding, and solves the problems that the secondary winding is difficult to accurately control the position of the secondary winding in a die cavity during die filling, the operational difficulty is high, the insulation space is unstable to control, the partial discharge of a product is easy to be unqualified, the stress of epoxy resin is uneven and the product is easy to crack.
In order to realize the purposes of accurately controlling the position of the secondary winding in the die cavity during die filling, reducing the operation difficulty, stabilizing the insulation space and being not easy to crack, the utility model provides the following technical scheme: the utility model provides a current transformer coil fixing device of incasement sealed installation, includes mould and secondary winding, the primary winding of setting wherein, still including setting up the hoist and mount subassembly in the mould inside, hoist and mount subassembly is used for installing secondary winding and primary winding hoist and mount at the inboard top of mould, and can be used to secondary winding and primary winding carry out the ascending position control of vertical direction, install two sets of fixed subassemblies on the hoist and mount subassembly, fixed subassembly ligature is fixed in the secondary winding top, fixed subassembly is used for carrying out the position control on the horizontal direction to the secondary winding.
As a preferable technical scheme of the utility model, the secondary winding is arranged above the primary winding, the primary winding is arranged inside the die, and two ends of the primary winding extend to the outside of the die.
As a preferable technical scheme of the utility model, the hoisting assembly comprises a hoisting fixing plate, wherein an adjusting groove is formed in the hoisting fixing plate, hoisting holes are respectively formed in two ends of the hoisting fixing plate, and a hoisting insert is arranged above the hoisting holes.
As a preferable technical scheme of the utility model, the adjusting groove is a kidney-shaped hole, the fixing component is arranged in the adjusting groove, and the adjusting groove is matched with the fixing component to carry out position adjustment on the secondary winding in the horizontal direction.
As a preferable technical scheme of the utility model, the upper part and the lower part of the hoisting insert are respectively in threaded connection with a connecting screw, the connecting screw above is in threaded connection with the die, the connecting screw below penetrates through the hoisting hole, and a gasket is sleeved outside the connecting screw below and used for adjusting the position of the secondary winding in the vertical direction.
As a preferable technical scheme of the utility model, the gasket is arranged above the lifting fixing plate, and the lifting fixing plate is formed by stamping a 4mm steel plate.
As a preferable technical scheme of the utility model, the fixing assembly comprises a coil fixing plate, the coil fixing plate is arranged above the secondary winding in a binding way, the coil fixing plate is I-shaped, a nut is riveted at the middle position of the coil fixing plate, a fixing screw is connected with the nut in a threaded manner, and the fixing screw penetrates through the adjusting groove.
As a preferable technical scheme of the utility model, the coil fixing plate is stamped to a corresponding radian by a 2mm steel plate according to the outer diameter of the secondary winding.
As a preferable technical scheme of the utility model, the secondary winding is made into an integrated structure by an iron core, an enameled wire and an insulation wrapping material.
As a preferable technical scheme of the utility model, the primary winding is of an integrated structure formed by T2 red copper rods, T2 switching rows and T2 contact silver-discharging brazing.
Compared with the prior art, the utility model provides a fixing device for sealing and installing a current transformer coil in a box, which has the following beneficial effects:
this incasement sealed installation current transformer coil fixing device for carry out the position control on vertical height to primary winding and secondary winding, through the fixed subassembly that sets up, be used for carrying out the position control on the horizontal direction to secondary winding, thereby can carry out the regulation of four directions on the secondary winding, the flexibility is good, the maneuverability is strong, improve die filling efficiency and ensure secondary winding insulating space's reliability greatly, be difficult to accurate control secondary winding when having solved die filling space position in the die cavity, the operation degree of difficulty is big, and insulating space control is unstable, easily cause the product high pressure breakdown, the partial discharge is unqualified, epoxy stress inhomogeneous leads to easily fracture scheduling problem, make it reach fast adjustment, the flexibility is good, the maneuverability is strong, improve die filling efficiency greatly, improve transformer stability, reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic diagram of the structure of the mold and the secondary winding of the present utility model.
Fig. 3 is a schematic diagram of the secondary winding and the primary winding of the present utility model.
Fig. 4 is a schematic structural diagram of a lifting fixing plate and a coil fixing plate according to the present utility model.
Fig. 5 is a schematic structural view of the lifting insert of the present utility model.
In the figure: 1. a mold; 2. hoisting the fixing plate; 3. an adjustment tank; 4. a hoisting hole; 5. a coil fixing plate; 6. a set screw; 7. a connecting screw; 8. hoisting the insert; 9. a secondary winding; 10. a primary winding; 11. a gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model discloses a fixing device for sealing and installing a current transformer coil in a box, which comprises a die 1, a secondary winding 9 and a primary winding 10 arranged in the die 1, and further comprises a hoisting assembly arranged in the die 1, wherein the hoisting assembly is used for hoisting and installing the secondary winding 9 and the primary winding 10 at the top of the inner side of the die 1 and can be used for carrying out position adjustment on the secondary winding 9 and the primary winding 10 in the vertical direction, two groups of fixing assemblies are arranged on the hoisting assembly, the fixing assemblies are fixedly bound above the secondary winding 9, and the fixing assemblies are used for carrying out position adjustment on the secondary winding 9 in the horizontal direction.
Specifically, the secondary winding 9 is installed above the primary winding 10, the primary winding 10 is installed inside the die 1, two ends of the primary winding 10 extend to the outside of the die 1, the secondary winding 9 is made into an integrated structure by an iron core, an enameled wire and an insulating wrapping material, and the primary winding 10 is made into an integrated structure by a T2 red copper rod, a T2 switching row and a T2 contact silver-discharging braze welding.
In this embodiment, the current transformer coil is formed by mounting the secondary winding 9 on the primary winding 10.
Specifically, the hoisting assembly comprises a hoisting fixing plate 2, an adjusting groove 3 is formed in the hoisting fixing plate 2, hoisting holes 4 are respectively formed in two ends of the hoisting fixing plate 2, and a hoisting insert 8 is arranged above the hoisting holes 4.
In this embodiment, the lifting holes 4 are provided to mount the lifting fixing plate 2.
Specifically, the adjusting slot 3 is a kidney-shaped hole, the fixing component is installed in the adjusting slot 3, and the adjusting slot 3 cooperates with the fixing component to adjust the position of the secondary winding 9 in the horizontal direction.
In this embodiment, the position of the fixed component is moved in the adjusting slot 3 to drive the secondary winding 9 to move, so as to achieve the purpose of adjusting the position of the secondary winding 9 in the horizontal direction.
Specifically, the connection screw 7 is connected with the connection screw 7 in a threaded manner respectively above and below the hoisting insert 8, the connection screw 7 above is connected with the die 1 in a threaded manner, the connection screw 7 below penetrates through the hoisting hole 4, and a gasket 11 is sleeved outside the connection screw 7 below and used for adjusting the position of the secondary winding 9 in the vertical direction.
In this embodiment, the fixing assembly, the primary winding 10 and the secondary winding 9 are mounted inside the mold 1 by the cooperation of the connecting screw 7, the lifting insert 8 and the lifting fixing plate 2.
Specifically, the gasket 11 is arranged above the lifting fixing plate 2, and the lifting fixing plate 2 is formed by stamping a 4mm steel plate.
In this embodiment, the spacer 11 may be provided with one or more spacers according to the needs of the user, so as to achieve the purpose of adjusting the position of the secondary winding 9 and the primary winding 10 in the vertical direction, and the lifting fixing plate 2 is used for installing the fixing assembly.
Specifically, the fixed subassembly includes coil fixed plate 5, and coil fixed plate 5 ligature is installed in secondary winding 9 top, and coil fixed plate 5 is the I-shaped, and coil fixed plate 5 intermediate position riveting nut, nut threaded connection have fixed screw 6, and fixed screw 6 runs through in adjustment tank 3.
In this embodiment, the fixing screw 6 penetrates through the adjusting groove 3, the lower end thread extends into the nut, the fixing screw 6 is screwed down to position the secondary winding 9, and the fixing screw 6 is unscrewed and moves in the adjusting groove 3 to adjust the secondary winding 9 horizontally.
Specifically, the coil fixing plate 5 is stamped to a corresponding radian from a 2mm steel plate according to the outer diameter of the secondary winding 9.
In this embodiment, the coil fixing plate 5 is closely attached to the outside of the secondary winding 9 by forming the same arc as the outer diameter of the secondary winding 9 by punching.
The working principle and the using flow of the utility model are as follows: when the device is used, the lower connecting screw 7 penetrates through the lifting hole 4, the lower connecting screw 7 is in threaded connection with the lifting insert 8 through the upper and lower connecting screws 7, the device is used for installing the lifting fixing plate 2, the fixing component, the secondary winding 9 and the primary winding 10, installing the primary winding 10 and the secondary winding 9 inside the die 1, screwing the lower connecting screw 7 according to requirements, adding corresponding gaskets 11 outside the lower connecting screw 7, and achieving the purpose of adjusting the positions of the lifting fixing plate 2, the fixing component, the secondary winding 9 and the primary winding 10 in the vertical direction, and driving the coil fixing plate 5 and the secondary winding 9 to move in the adjusting groove 3 by screwing the fixing screw 6 and moving the fixing screw 6, and after the coil fixing plate and the secondary winding 9 move to the required positions, screwing the fixing screw 6 to limit the coil fixing plate 5, so that the purpose of adjusting the positions of the secondary winding 9 in the horizontal direction is achieved.
To sum up, this incasement sealed installation current transformer coil fixing device, through setting up the hoist and mount subassembly, be used for carrying out the position control on the vertical height to primary winding 10 and secondary winding 9, through the fixed subassembly of setting, be used for carrying out the position control on the horizontal direction to secondary winding 9, thereby can carry out the regulation of four directions on secondary winding 9, the flexibility is good, the maneuverability is strong, improve die filling efficiency and ensure the reliability in secondary winding 9 insulating space greatly, the spatial position in die 1 is arranged in to the difficult accurate control secondary winding 9 of having solved when die filling, the operation degree of difficulty is big, and insulating space control is unstable, easily cause the product high pressure breakdown, partial discharge disqualification, the inhomogeneous easy fracture scheduling problem that leads to of epoxy stress, make it reach fast adjustment, good flexibility, the maneuverability is strong, improve die filling efficiency greatly, improve transformer stability, reliability.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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 (10)
1. The utility model provides a current transformer coil fixing device is sealed to installation in case, includes mould (1) and secondary winding (9), primary winding (10) that set up wherein, its characterized in that still includes:
the lifting assembly is arranged inside the die (1), is used for lifting and installing the secondary winding (9) and the primary winding (10) at the top of the inner side of the die (1), and can be used for position adjustment on the vertical direction of the secondary winding (9) and the primary winding (10), two groups of fixing assemblies are arranged on the lifting assembly, the fixing assemblies are bound and fixed above the secondary winding (9), and the fixing assemblies are used for position adjustment on the horizontal direction of the secondary winding (9).
2. The in-box seal mounting current transformer coil fixing device according to claim 1, wherein: the secondary winding (9) is arranged above the primary winding (10), the primary winding (10) is arranged inside the die (1), and two ends of the primary winding (10) extend to the outside of the die (1).
3. The in-box seal mounting current transformer coil fixing device according to claim 1, wherein: the lifting assembly comprises a lifting fixing plate (2), an adjusting groove (3) is formed in the lifting fixing plate (2), lifting holes (4) are formed in two ends of the lifting fixing plate (2) respectively, and lifting inserts (8) are arranged above the lifting holes (4).
4. A current transformer coil fixing device for sealing installation in a box according to claim 3, wherein: the adjusting groove (3) is a kidney-shaped hole, the fixing component is arranged in the adjusting groove (3), and the adjusting groove (3) is matched with the fixing component to carry out position adjustment on the secondary winding (9) in the horizontal direction.
5. A current transformer coil fixing device for sealing installation in a box according to claim 3, wherein: the hoisting insert is characterized in that connecting screws (7) are respectively connected with the upper side and the lower side of the hoisting insert (8) in a threaded mode, the connecting screws (7) are connected with the die (1) in a threaded mode, the connecting screws (7) below penetrate through the hoisting holes (4), gaskets (11) are sleeved outside the connecting screws (7) below, and the positions of the secondary windings (9) in the vertical direction are adjusted.
6. The in-box seal mounting current transformer coil fixing device according to claim 5, wherein: the gasket (11) is arranged above the lifting fixing plate (2), and the lifting fixing plate (2) is formed by stamping a 4mm steel plate.
7. The in-box seal mounting current transformer coil fixing device according to claim 4, wherein: the fixing assembly comprises a coil fixing plate (5), the coil fixing plate (5) is installed above the secondary winding (9) in a binding mode, the coil fixing plate (5) is I-shaped, nuts are riveted at the middle positions of the coil fixing plate (5), fixing screws (6) are connected with the nuts in a threaded mode, and the fixing screws (6) penetrate through the adjusting grooves (3).
8. The in-box seal mounting current transformer coil fixing device according to claim 7, wherein: the coil fixing plate (5) is stamped to a corresponding radian by a 2mm steel plate according to the outer diameter of the secondary winding (9).
9. The in-box seal mounting current transformer coil fixing device according to claim 2, wherein: the secondary winding (9) is made of an iron core, enameled wires and insulating binding materials into an integrated structure.
10. The in-box seal mounting current transformer coil fixing device according to claim 2, wherein: the primary winding (10) is of an integrated structure formed by a T2 red copper rod, a T2 switching row and a T2 contact row silver brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321716917.2U CN220041580U (en) | 2023-07-03 | 2023-07-03 | Fixing device for sealing and installing current transformer coil in box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321716917.2U CN220041580U (en) | 2023-07-03 | 2023-07-03 | Fixing device for sealing and installing current transformer coil in box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220041580U true CN220041580U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321716917.2U Active CN220041580U (en) | 2023-07-03 | 2023-07-03 | Fixing device for sealing and installing current transformer coil in box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220041580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118671422A (en) * | 2024-08-20 | 2024-09-20 | 江苏科兴智能电气有限公司 | High-voltage current sensor adopting dynamic seal |
-
2023
- 2023-07-03 CN CN202321716917.2U patent/CN220041580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118671422A (en) * | 2024-08-20 | 2024-09-20 | 江苏科兴智能电气有限公司 | High-voltage current sensor adopting dynamic seal |
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