CN113972077A - Moving contact sealing device of novel GW20-252W2500 type isolating switch - Google Patents
Moving contact sealing device of novel GW20-252W2500 type isolating switch Download PDFInfo
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- CN113972077A CN113972077A CN202111095564.4A CN202111095564A CN113972077A CN 113972077 A CN113972077 A CN 113972077A CN 202111095564 A CN202111095564 A CN 202111095564A CN 113972077 A CN113972077 A CN 113972077A
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- isolating switch
- sealing device
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- 238000007789 sealing Methods 0.000 title claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000009471 action Effects 0.000 claims abstract description 38
- 239000011148 porous material Substances 0.000 claims abstract description 38
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 230000006378 damage Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000002035 prolonged effect Effects 0.000 claims abstract 2
- 230000002265 prevention Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 229920002449 FKM Polymers 0.000 claims description 5
- 229920001973 fluoroelastomer Polymers 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000004544 sputter deposition Methods 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/64—Protective enclosures, baffle plates, or screens for contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a moving contact sealing device of a novel GW20-252W2500 type isolating switch, which comprises a sealing body, wherein the upper surface of the sealing body is provided with a mounting hole, the upper surface of the sealing body is provided with a moving contact action pore passage, the upper surface of the sealing body is provided with a reinforcing component, and the upper surface of the sealing body is provided with a waterproof structure. According to the movable contact sealing device of the novel GW20-252W2500 type isolating switch, the sealing body is not easy to damage due to the matching of the material of the sealing body and the reinforcing component, the service life of the sealing body is prolonged, water seepage of the sealing body due to aging and damage is further avoided, the waterproof performance of the sealing device is improved, rainwater is ensured to flow out through the slope formed at the top of the sealing body in the shape of the slightly convex umbrella, water accumulation on the sealing body is avoided, the flow of rainwater is prevented from being blocked by the reinforcing ribs through the drainage grooves, and the rainwater is timely drained through the water diversion grooves and the water outlet holes, so that the problem that the sealing device is easy to accumulate water and seep water is solved.
Description
Technical Field
The application relates to the technical field of power transmission and distribution equipment, in particular to a moving contact sealing device of a novel GW20-252W2500 type isolating switch.
Background
The isolating switch is an electrical appliance which is used most in high-voltage switch electrical appliances, plays an isolating role in a circuit, a sealing device of a moving contact of the isolating switch is an important component for ensuring the normal work of the isolating switch, at present, manufacturers adopting GW20-252W/2500 type isolating switches all adopt a mode of replacing the isolating switch or equipment to upgrade the isolating switch, along with the gradual development of the power industry and the gradual increase of the operation pressure, particularly under the premise that the operation cost of a power plant is required to be greatly reduced, the reliability of equipment is improved by adopting a mode of small improvement and small upgrade, and the trend is great.
When the moving contact sealing device of the existing GW20-252W2500 type isolating switch is used, the problems of water accumulation and water seepage of the sealing device are easily caused due to the aging and the damage of the sealing device and the defects of the sealing device, so that the circuit of the isolating switch is damaged.
Disclosure of Invention
The invention aims to provide a novel moving contact sealing device of a GW20-252W2500 type isolating switch, which aims to solve the problems in the background technology.
The embodiment of the application adopts the following technical scheme:
a movable contact sealing device of a novel GW20-252W2500 type isolating switch comprises a sealing body, wherein the upper surface of the sealing body is provided with a mounting hole, the upper surface of the sealing body is provided with a movable contact action pore channel, the upper surface of the sealing body is provided with a reinforcing component, and the upper surface of the sealing body is provided with a waterproof structure;
waterproof construction is including setting up in the prevention of seepage water subassembly of seal upper surface and setting up in the inside waterway structure of reinforcement assembly.
Preferably, the sealing body is made of VITON fluororubber material so as to prolong the service life of the sealing device.
Preferably, the inner wall of the moving contact action pore passage is smoothed by a grinding process so as to improve the tensile loss resistance of the moving contact action pore passage.
Preferably, the reinforcing component comprises a telescopic fold, an installation groove hole is formed in the upper surface of the sealing body, the surface of the telescopic fold is fixedly connected with the inner wall of the installation groove hole, the telescopic fold is annular, the moving contact action hole is located in the ring of the telescopic fold, a reinforcing rib is fixedly connected to the upper surface of the sealing body, and two ends of the reinforcing rib are fixedly connected with the inner walls of the left side and the right side of the telescopic fold respectively.
Preferably, the water path structure comprises a water drainage groove formed in the surface of the reinforcing rib, a water diversion groove is formed in the inner wall of each telescopic fold, a water drainage hole is formed in the inner wall of each water diversion groove, and a water passing channel is formed between each two telescopic folds.
Preferably, the upper surface of the sealing body is inclined downward from the central portion to the edge portion, that is, the upper surface of the sealing body is in a slightly convex umbrella shape.
Preferably, the water seepage prevention assembly can be a waterproof cap, the lower surface of the waterproof cap is fixedly installed on the upper surface of the sealing body and corresponds to the moving contact action pore channel, and a through hole convenient for the moving contact to move is formed in the upper surface of the waterproof cap.
Preferably, the waterproof cap can be rectangular block-shaped to prevent ponding from entering the interior of the sealing body through the moving contact action pore canal to cause the damage of the isolating switch.
Preferably, the waterproof cap can also be in a trapezoid block shape with a wide upper part and a narrow lower part, and as the accumulated water increases, the wide top at the upper part forms a surrounding block to prevent the accumulated water from sputtering into the action pore canal of the moving contact.
Preferably, the prevention of seepage water subassembly still can be the buckler, the upper surface at the seal is seted up to the buckler, the apopore has been seted up to the inner wall of buckler, the inner wall fixedly connected with baffle of buckler, the water hole has been seted up to the upper surface of baffle, the water hole of crossing is big-end-up's taper.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
one of them, through the seal that adopts VITON fluororubber material to support, can resist the corrosivity of most oil and solvent, improved sealing device's life, through the cooperation with the inner wall in moving contact action pore smooth and stiff rib of polishing, can guarantee that moving contact action pore department is difficult for the pulling loss, mechanical stress influence that moving contact action pore department received through flexible fold reduces to minimum, thereby make this novel GW20-252W2500 type isolator's moving contact sealing device solve sealing device easily ageing, the problem of easy damage.
Secondly, through the material of seal and the cooperation of reinforcing component, make the seal difficult damaged, increase its life, and then ensure that the seal can not be because ageing, the damaged reason causes the infiltration, sealing device's waterproof performance has been improved, form the slope through the seal top of little protruding umbelliform, ensure the rainwater outflow, avoid ponding on the seal, avoid the strengthening rib to block the flow of rainwater through the water drainage tank, through diversion trench and apopore, make the rainwater in time discharge, avoid flexible fold to produce through the water channel and block the flow of rainwater, prevent through the prevention of seepage water component that the rainwater from getting into inside the seal from the contact action pore when flowing, cause the harm to isolator, thereby make this novel GW20-252W2500 type isolator's moving contact sealing device solve the easy ponding of sealing device, the problem of easy infiltration.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a diagram: the invention is a schematic view of the structure;
FIG. 2 is a diagram of: the invention has a front view structure schematic diagram of a reinforcing component;
FIG. 3 is a diagram of: the invention is a schematic view of a waterway structure in a front view structure;
FIG. 4 is a diagram of: the enlarged structure of the invention at A in FIG. 3 is schematically shown;
FIG. 5 is a diagram: the main view structure of the waterproof cap in the first embodiment of the invention is shown schematically;
FIG. 6 is a diagram of: a schematic view structure diagram of a second embodiment of the present invention;
FIG. 7 is a diagram of: a schematic view structure diagram of a third embodiment of the invention;
FIG. 8 is a diagram of: the third embodiment of the invention is a schematic sectional structure diagram;
FIG. 9 is a diagram of: the enlarged structure of the invention at B in FIG. 8 is schematically illustrated;
FIG. 10 is a diagram: in the third embodiment of the invention, the partition plate and the water through hole are schematically shown in the main view structure.
In the figure: 1. a seal body; 2. mounting holes; 3. a moving contact action pore channel; 4. a reinforcement assembly; 41. performing telescopic folding; 42. reinforcing ribs; 5. a water seepage prevention assembly; 6. a waterway structure; 61. a water discharge tank; 62. a water diversion groove; 63. a drain hole; 64. a water passage; 70. a waterproof cap; 71. a through hole; 80. a waterproof groove; 81. a water outlet hole; 82. a partition plate; 83. and a water through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1-10, the present invention provides a technical solution of a moving contact sealing device of a novel GW20-252W2500 type isolating switch:
a moving contact sealing device of a novel GW20-252W2500 type isolating switch comprises a sealing body 1, wherein the upper surface of the sealing body 1 is provided with a mounting hole 2, the upper surface of the sealing body 1 is provided with a moving contact action pore passage 3, the upper surface of the sealing body 1 is provided with a reinforcing component 4, and the upper surface of the sealing body 1 is provided with a waterproof structure;
the waterproof structure comprises a water seepage prevention component 5 arranged on the upper surface of the sealing body 1 and a waterway structure 6 arranged inside the reinforcing component 4.
Specifically, install seal 1 through mounting hole 2, the moving contact of being convenient for through moving contact action pore 3 moves, improves sealing device's tensile loss ability through reinforcement subassembly 4, prevents through waterproof construction that the rainwater from getting into seal 1 in, wherein prevention of seepage water subassembly 5 is used for preventing that the rainwater from passing through in moving contact action pore 3 infiltration seal 1, and waterway structure 6 is used for in time discharging the rainwater, avoids the rainwater to gather and produces ponding.
As shown in fig. 1-2, the sealing body 1 is made of VITON fluororubber material, so as to improve the service life of the sealing device.
The inner wall of the moving contact action pore canal 3 is smoothed by a grinding process so as to improve the tensile loss resistance of the moving contact action pore canal.
The reinforcing component 4 comprises a telescopic fold 41, a mounting groove hole is formed in the upper surface of the sealing body 1, the surface of the telescopic fold 41 is fixedly connected with the inner wall of the mounting groove hole, the telescopic fold 41 is annular, the moving contact action pore channel 3 is located in the ring of the telescopic fold 41, a reinforcing rib 42 is fixedly connected to the upper surface of the sealing body 1, and two ends of the reinforcing rib 42 are fixedly connected with the inner walls of the left side and the right side of the telescopic fold 41 respectively.
Specifically, through the sealing 1 that adopts VITON fluororubber material to support, can resist the corrosivity of most oil and solvent, improve sealing device's life, through the cooperation with the inner wall of moving contact action pore 3 smooth and strengthening rib 42 of polishing, can guarantee that moving contact action pore 3 department does not easily pull and decreases, through flexible fold 41 with the mechanical stress influence that moving contact action pore 3 department received reduce to minimum.
As shown in fig. 3-4, the water path structure 6 includes a drainage groove 61 formed on the surface of the reinforcing rib 42, a water guiding groove 62 is formed on the inner wall of each telescopic pleat 41, a drainage hole 63 is formed on the inner wall of each water guiding groove 62, and a water passing channel 64 is formed between two telescopic pleats 41.
The upper surface of the sealing body 1 is inclined downward from the central part to the edge, that is, the upper surface of the sealing body 1 is slightly convex umbrella-shaped.
Specifically, through the material of seal 1 and the cooperation of reinforcement assembly 4, make seal 1 difficult damaged, increase its life, and then ensure that seal 1 can not be because ageing, the infiltration is caused to the damaged reason, sealing device's waterproof performance has been improved, through the umbrella-shaped seal 1 top of little protruding, form the slope, ensure the rainwater outflow, avoid ponding on seal 1, avoid strengthening rib 42 to block the flow of rainwater through water drainage tank 61, through diversion tank 62 and wash port 63, make the rainwater in time discharge, avoid flexible fold 41 to block the flow production of rainwater through water channel 64, prevent that the rainwater from getting into seal 1 inside from driven contact action pore 3 when flowing through prevention of seepage water assembly 5, cause the harm to isolator.
Example one
As shown in fig. 5, the water seepage prevention assembly 5 may be a waterproof cap 70, a lower surface of the waterproof cap 70 is fixedly installed at a position on the upper surface of the sealing body 1 corresponding to the movable contact operation pore passage 3, and a through hole 71 for facilitating the movement of the movable contact is formed on the upper surface of the waterproof cap 70.
The waterproof cap 70 may be rectangular block to prevent accumulated water from entering the interior of the sealing body 1 through the moving contact action hole 3 to cause damage to the isolating switch.
Specifically, the rectangular block-shaped waterproof cap 70 blocks rainwater flowing around the moving contact action pore passage 3, so as to prevent the rainwater from entering the moving contact action pore passage 3 and further entering the sealing body 1 to cause damage to the isolating switch.
Example two
As shown in fig. 6, the water seepage prevention assembly 5 may be a waterproof cap 70, a lower surface of the waterproof cap 70 is fixedly installed at a position on the upper surface of the sealing body 1 corresponding to the movable contact operation pore passage 3, and a through hole 71 for facilitating the movement of the movable contact is formed on the upper surface of the waterproof cap 70.
The waterproof cap 70 may also be a trapezoid block with a wide upper part and a narrow lower part, and as the accumulated water increases, the wide top of the upper part forms a barrier to prevent the accumulated water from sputtering into the moving contact action pore passage 3.
Specifically, the trapezoidal block-shaped waterproof cap 70 with a wide upper part and a narrow lower part can form a barrier on the upper part of the waterproof cap 70, so that part of rainwater is prevented from exceeding the waterproof cap 70 and splashing into the movable contact action pore passage 3 when the rainwater flows.
EXAMPLE III
As shown in fig. 7-10, the water seepage prevention assembly 5 may also be a water-proof groove 80, the water-proof groove 80 is provided on the upper surface of the sealing body 1, a water outlet hole 81 is provided on the inner wall of the water-proof groove 80, a partition plate 82 is fixedly connected to the inner wall of the water-proof groove 80, a water passing hole 83 is provided on the upper surface of the partition plate 82, and the water passing hole 83 is in a tapered shape with a large upper part and a small lower part.
Specifically, make moving contact action pore 3 keep apart with the periphery through capillary groove 80, make during the rainwater that flows directly gets into capillary groove 80, can't get into in moving contact action pore 3, through baffle 82 and the cooperation of crossing water hole 83, make the rainwater get into the bottom of capillary groove 80 through crossing water hole 83, because cross water hole 83 big-end-up, the rainwater of capillary groove 80 bottom is difficult because undulant splash gets into in moving contact action pore 3, outwards discharges the rainwater in capillary groove 80 through apopore 81.
It should also be noted that the terms "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 an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A novel GW20-252W2500 type isolating switch moving contact sealing device comprises a sealing body (1), and is characterized in that: the upper surface of the sealing body (1) is provided with a mounting hole (2), the upper surface of the sealing body (1) is provided with a moving contact action pore passage (3), the upper surface of the sealing body (1) is provided with a reinforcing component (4), and the upper surface of the sealing body (1) is provided with a waterproof structure;
the waterproof structure comprises a water seepage prevention assembly (5) arranged on the upper surface of the sealing body (1) and a water path structure (6) arranged inside the reinforcing assembly (4).
2. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 1, wherein: the sealing body (1) is made of VITON fluororubber materials, so that the service life of the sealing device is prolonged.
3. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 1, wherein: the inner wall of the moving contact action pore canal (3) is smoothed by a grinding process so as to improve the tensile loss resistance of the moving contact action pore canal.
4. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 1, wherein: the reinforcing component (4) comprises telescopic folds (41), an installation groove hole is formed in the upper surface of the sealing body (1), the surface of each telescopic fold (41) is fixedly connected with the inner wall of the installation groove hole, each telescopic fold (41) is annular, the moving contact action pore channel (3) is located in the ring of each telescopic fold (41), reinforcing ribs (42) are fixedly connected to the upper surface of the sealing body (1), and the two ends of each reinforcing rib (42) are fixedly connected with the left inner wall and the right inner wall of each telescopic fold (41) respectively.
5. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 4, wherein: the water path structure (6) comprises drainage grooves (61) formed in the surfaces of the reinforcing ribs (42), water guide grooves (62) are formed in the inner walls of the telescopic folds (41), drainage holes (63) are formed in the inner walls of the water guide grooves (62), and a water passing channel (64) is formed between the two telescopic folds (41).
6. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 1, wherein: the upper surface of the sealing body (1) is inclined downwards from the central part to the edge, namely the upper surface of the sealing body (1) is in a slightly convex umbrella shape.
7. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 1, wherein: the water seepage prevention assembly (5) can be a waterproof cap (70), the lower surface of the waterproof cap (70) is fixedly installed on the upper surface of the sealing body (1) at a position corresponding to the moving contact action pore channel (3), and a through hole (71) convenient for the moving contact to move is formed in the upper surface of the waterproof cap (70).
8. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 7, wherein: the waterproof cap (70) can be in a rectangular block shape so as to prevent accumulated water from entering the sealing body (1) through the moving contact action pore passage (3) to cause damage to the isolating switch.
9. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 7, wherein: the waterproof cap (70) can also be in a trapezoid block shape with a wide upper part and a narrow lower part, and as the accumulated water increases, the wide top at the upper part forms a surrounding block to prevent the accumulated water from sputtering into the moving contact action pore canal (3).
10. The moving contact sealing device of a novel isolating switch of GW20-252W2500 type as claimed in claim 1, wherein: prevention of seepage water subassembly (5) still can be for watertight shutter (80), the upper surface in seal (1) is seted up in watertight shutter (80), apopore (81) have been seted up to the inner wall of watertight shutter (80), the inner wall fixedly connected with baffle (82) of watertight shutter (80), water hole (83) have been seted up to the upper surface of baffle (82), it is big-end-up's taper to cross water hole (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111095564.4A CN113972077B (en) | 2021-09-17 | 2021-09-17 | Novel GW20-252W2500 type isolating switch moving contact sealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111095564.4A CN113972077B (en) | 2021-09-17 | 2021-09-17 | Novel GW20-252W2500 type isolating switch moving contact sealing device |
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| CN113972077A true CN113972077A (en) | 2022-01-25 |
| CN113972077B CN113972077B (en) | 2023-12-15 |
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