CN220820064U - High-voltage bushing end screen leakage current sampling device - Google Patents
High-voltage bushing end screen leakage current sampling device Download PDFInfo
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- CN220820064U CN220820064U CN202322117048.8U CN202322117048U CN220820064U CN 220820064 U CN220820064 U CN 220820064U CN 202322117048 U CN202322117048 U CN 202322117048U CN 220820064 U CN220820064 U CN 220820064U
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- screen shell
- current sampling
- sampling device
- leakage current
- end screen
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- 238000005070 sampling Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 35
- 210000001503 joint Anatomy 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a high-voltage bushing end screen leakage current sampling device, which relates to the technical field of current sampling and comprises an end screen shell, wherein a limiting clamping block is arranged in the end screen shell, one end of the opposite inner side of the limiting clamping block is connected with a connecting rope, the annular side surface of the end screen shell is provided with a moving ring in a sliding manner, the left end surface and the right end surface of the moving ring are both adhered with limiting rings, the right side of the end screen shell is provided with a metal shell, the left end surface of the metal shell is provided with a current sensor end head, the left end surface of the metal shell is provided with a butt joint seat, and the annular side surface of the butt joint seat is provided with a limiting clamping groove. According to the utility model, the limiting clamping blocks and the limiting clamping grooves are matched to fixedly connect the connecting seats, so that the assembly and the disassembly are rapid and convenient, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of current sampling, in particular to a high-voltage bushing end screen leakage current sampling device.
Background
In order to uniformly distribute the electric field, the bushing is formed by a plurality of insulating layers among metal screens, the last screen is used for being connected with the ground in an equipotential manner, the bushing must be reliably grounded in operation, and the bushing is untwisted in preventive test so as to measure the capacitance and dielectric loss of the bushing. The sleeve insulation on-line monitoring device needs to measure leakage current from a tail screen, one end of the current sampling device is connected with a metal rod of the tail screen, the other end of the current sampling device is a grounding wire, and the grounding wire is connected to a current sensor near the sleeve and then grounded.
Chinese patent No. CN202583303U discloses a high-voltage bushing end screen leakage current sampling device, including metal casing, current sensor, front end contact device and rear end contact device, current sensor passes through front end contact device and connects end screen metal pole, connect metal casing through rear end contact device, current sensor measuring signal draws forth through the cable hole, convenient to use ground is reliable, but connect metal casing and end screen shell through threaded engagement in this design, when need maintain it, or when aligning the interior component and changing, the installation is dismantled inconvenient enough.
Disclosure of utility model
The utility model aims to solve the problems that the metal shell and the end screen shell are connected through threaded engagement and are inconvenient to assemble and disassemble in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high-voltage bushing end screen leakage current sampling device, includes end screen shell, the inside spacing fixture block that is provided with of end screen shell, the inboard one end is connected with the connecting rope relatively of spacing fixture block, end screen shell annular side slides and is provided with the removal ring, removal ring left end face and right-hand member face all bond and have the spacing ring, end screen shell right side is provided with metal casing, the current sensor end is installed to metal casing left end face, metal casing left end face is provided with the butt joint seat, spacing draw-in groove has been seted up to the butt joint seat annular side.
Preferably, the right end face of the end screen shell is provided with a sealing ring, the left end face of the metal shell is provided with a sealing groove, and the sealing groove is tightly clamped with the sealing ring.
Preferably, the inner diameter of the end screen shell is the same as the outer diameter of the butt joint seat, a first sealing gasket is bonded on the inner wall of the end screen shell, and a second sealing gasket is bonded on the annular side surface of the butt joint seat.
Preferably, the end screen shell is internally provided with conductive pins, and the current sensor end head is matched with the conductive pins.
Preferably, six groups of limit clamping blocks are arranged in the specification, such as the limit clamping blocks, and springs are adhered to one end of the opposite inner side of each limit clamping block.
Preferably, a sliding groove is formed in the end screen shell, the limiting ring slides tightly along the inner wall of the sliding groove, a connecting block is arranged on the inner side of the moving ring, and the tail end of the connecting rope is connected with the connecting block.
Preferably, the steering wheel is arranged in the end screen shell, and the connecting rope is arranged on the outer surface of the steering wheel in a surrounding mode.
Preferably, the limit clamping block and the limit clamping groove are mutually clamped, and the right end face of the metal shell is provided with a transmission wire.
Preferably, the annular side surface of the movable ring is adhered with an anti-slip pad, and the anti-slip pad is made of wear-resistant rubber.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model provides a high-voltage bushing end screen leakage current sampling device, which is characterized in that a limiting clamping block and a limiting clamping groove are used for limiting and fixing a butt joint seat and an end screen shell, and a movable ring is connected with the limiting clamping block through a connecting rope and a rotating wheel, so that a user can conveniently install and detach the end screen shell and a metal shell.
The utility model provides a high-voltage bushing end screen leakage current sampling device, which ensures the sealing performance of the joint of an end screen shell and a metal shell after butt joint by arranging a sealing groove and a sealing ring, and further improves the sealing effect by arranging a first sealing gasket and a second sealing gasket, thereby ensuring the normal use of equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
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 end shield shell and the movable ring according to the present utility model;
FIG. 3 is a schematic view of the structure of the end screen housing of the present utility model;
FIG. 4 is a schematic view of the moving ring of the end shield shell according to the present utility model;
FIG. 5 is a partial front cross-sectional view of the end shield housing and the retainer clip of the present utility model;
Fig. 6 is a schematic structural view of a metal housing and a docking station according to the present utility model.
Description of the figure: 1. a last screen housing; 11. a seal ring; 12. a first gasket; 13. a conductive pin; 2. a limit clamping block; 21. a spring; 3. a connecting rope; 31. a steering wheel; 4. a moving ring; 41. an anti-slip pad; 42. a connecting block; 5. a limiting ring; 51. a chute; 6. a metal housing; 61. a transmission wire; 62. sealing grooves; 7. a current sensor tip; 8. a butt joint seat; 81. a second gasket; 9. and a limit clamping groove.
Detailed Description
The present utility model is described in further detail below with reference to the accompanying drawings.
The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Referring to fig. 1-6, the high-voltage bushing end screen leakage current sampling device comprises an end screen shell 1, a limiting clamping block 2 is arranged inside the end screen shell 1, a connecting rope 3 is connected to one end of the inner side of the limiting clamping block 2, a movable ring 4 is slidably arranged on the annular side face of the end screen shell 1, a limiting ring 5 is adhered to the left end face and the right end face of the movable ring 4, a metal shell 6 is arranged on the right side of the end screen shell 1, a current sensor end head 7 is mounted on the left end face of the metal shell 6, a butt joint seat 8 is arranged on the left end face of the metal shell 6, and a limiting clamping groove 9 is formed in the annular side face of the butt joint seat 8.
In the embodiment of the application, the right end face of the end screen shell 1 is provided with the sealing ring 11, the left end face of the metal shell 6 is provided with the sealing groove 62, the sealing groove 62 is tightly clamped with the sealing ring 11, the sealing ring 11 is matched with the sealing groove 62 to enhance the sealing performance of the joint of the metal shell 6 and the end screen shell 1, thereby ensuring the normal use of equipment, the inner diameter of the end screen shell 1 is the same as the outer diameter of the butt joint seat 8, the butt joint seat 8 can be tightly inserted into the end screen shell 1, the inner wall of the end screen shell 1 is adhered with the first sealing gasket 12, the annular side face of the butt joint seat 8 is adhered with the second sealing gasket 81, the sealing performance of the joint of the metal shell 6 and the end screen shell 1 can be further enhanced by the first sealing gasket 12 and the second sealing gasket 81, the end screen shell 1 is internally provided with the conductive pins 13, the current sensor end head 7 is matched with the conductive pins 13, after the butt joint seat 8 is in butt joint with the end screen shell 1, the end head 7 of the current sensor is electrically connected with the conductive pins 13, six groups of limit clamping blocks 2 are arranged in specification, one end of the opposite inner side of each limit clamping block 2 is adhered with a spring 21, the spring 21 can help the limit clamping block 2 to reset, a chute 51 is arranged in the end screen shell 1, a limit ring 5 tightly slides along the inner wall of the chute 51, the chute 51 cooperates with a limiting block to play a limit role in the movement of the movable ring 4, a connecting block 42 is arranged in the inner side of the movable ring 4, the tail end of each connecting rope 3 is connected with the connecting block 42, the movable block can pull the connecting rope 3 through the connecting block 42, a steering wheel 31 is arranged in the end screen shell 1, the connecting rope 3 is arranged on the outer surface of the steering wheel 31 in a surrounding mode, the steering wheel 31 can help the connecting rope 3 to steer, so that abrasion of the connecting rope 3 is reduced at a corner, the limit clamping blocks 2 and the limit clamping grooves 9 are mutually clamped, the position of the butt joint seat 8 and the position of the end screen shell 1 can be fixed by the limiting clamping block 2 and the limiting clamping groove 9, the limiting clamping block 2 and the limiting clamping groove 9 are clamped with each other, the right end face of the metal shell 6 is provided with a transmission wire 61, the annular side face of the movable ring 4 is adhered with an anti-slip pad 41, and the anti-slip pad 41 is made of wear-resistant rubber.
In the embodiment of the application, when a user installs the end screen shell 1 and the metal shell 6, the left end of the butt joint seat 8 is aligned to the interior of the end screen shell 1 and is inserted, in the insertion process, the butt joint seat 8 upwards presses the limit clamping block 2 and compresses the spring 21 until the butt joint seat 8 is completely clamped into the interior of the end screen shell 1, at the moment, the limit clamping block 2 and the limit clamping groove 9 are positioned at the same vertical position, the spring 21 releases elastic potential energy and drives the limit clamping block 2 to reset, so that the limit clamping block 2 and the limit clamping groove 9 are mutually clamped, the position between the butt joint seat 8 and the end screen shell 1 is fixed, meanwhile, the sealing ring 11 is tightly clamped into the sealing groove 62, so that the tightness of the joint of the end screen shell 1 and the metal shell 6 is ensured, when the user needs to detach the end screen shell 1 and the metal shell 6, the moving ring 4 is held and moved leftwards, the moving ring 4 drives the limit ring 5 to slide tightly along the inner wall of the sliding groove 51, and the moving block is driven to move together, the limit clamping block 2 is pulled upwards through the connecting rope 3, the mutual clamping state of the limit clamping block 2 and the limit clamping groove 9 is released, and the mutual clamping state of the limit clamping block 2 is convenient to pull the end screen shell 1 from the interior.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Claims (9)
1. High-voltage bushing end screen leakage current sampling device, including end screen shell (1), its characterized in that: the utility model discloses a terminal screen shell, including terminal screen shell (1), metal casing (6) left end face, terminal screen shell (1) right side, terminal screen shell (1) inside is provided with spacing fixture block (2), the relative inboard one end of spacing fixture block (2) is connected with connecting rope (3), terminal screen shell (1) annular side slides and is provided with and removes ring (4), remove ring (4) left end face and right-hand member face all bond and have spacing ring (5), terminal screen shell (1) right side is provided with metal casing (6), current sensor end (7) are installed to metal casing (6) left end face, metal casing (6) left end face is provided with docking station (8), spacing draw-in groove (9) have been seted up to docking station (8) annular side.
2. The high voltage bushing tip leakage current sampling device of claim 1, wherein: the end screen shell (1) right-hand member face is provided with sealing ring (11), seal groove (62) have been seted up to metal casing (6) left end face, seal groove (62) and sealing ring (11) inseparable block.
3. The high voltage bushing tip leakage current sampling device of claim 1, wherein: the inner diameter of the end screen shell (1) is the same as the outer diameter of the butt joint seat (8), a first sealing gasket (12) is adhered to the inner wall of the end screen shell (1), and a second sealing gasket (81) is adhered to the annular side surface of the butt joint seat (8).
4. The high voltage bushing tip leakage current sampling device of claim 1, wherein: the end screen shell (1) is internally provided with a conductive pin (13), and the current sensor end head (7) is matched with the conductive pin (13).
5. The high voltage bushing tip leakage current sampling device of claim 1, wherein: six groups of limit clamping blocks (2) are arranged in specification, and springs (21) are adhered to one end of the opposite inner side of the limit clamping blocks (2).
6. The high voltage bushing tip leakage current sampling device of claim 1, wherein: the end screen shell (1) is internally provided with a sliding groove (51), the limiting ring (5) tightly slides along the inner wall of the sliding groove (51), the inner side of the moving ring (4) is provided with a connecting block (42), and the tail end of the connecting rope (3) is connected with the connecting block (42).
7. The high voltage bushing tip leakage current sampling device of claim 1, wherein: the end screen shell (1) is internally provided with a steering wheel (31), and the connecting rope (3) is arranged on the outer surface of the steering wheel (31) in a surrounding mode.
8. The high voltage bushing tip leakage current sampling device of claim 1, wherein: the limiting clamping block (2) is clamped with the limiting clamping groove (9), and a transmission wire (61) is arranged on the right end face of the metal shell (6).
9. The high voltage bushing tip leakage current sampling device of claim 1, wherein: the annular side surface of the movable ring (4) is adhered with an anti-slip pad (41), and the anti-slip pad (41) is made of wear-resistant rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322117048.8U CN220820064U (en) | 2023-08-07 | 2023-08-07 | High-voltage bushing end screen leakage current sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322117048.8U CN220820064U (en) | 2023-08-07 | 2023-08-07 | High-voltage bushing end screen leakage current sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220820064U true CN220820064U (en) | 2024-04-19 |
Family
ID=90679767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322117048.8U Active CN220820064U (en) | 2023-08-07 | 2023-08-07 | High-voltage bushing end screen leakage current sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220820064U (en) |
-
2023
- 2023-08-07 CN CN202322117048.8U patent/CN220820064U/en active Active
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