CN113972077B - Novel GW20-252W2500 type isolating switch moving contact sealing device - Google Patents
Novel GW20-252W2500 type isolating switch moving contact sealing device Download PDFInfo
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- CN113972077B CN113972077B CN202111095564.4A CN202111095564A CN113972077B CN 113972077 B CN113972077 B CN 113972077B CN 202111095564 A CN202111095564 A CN 202111095564A CN 113972077 B CN113972077 B CN 113972077B
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- sealing body
- sealing device
- isolating switch
- novel
- moving contact
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- 238000007789 sealing Methods 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000009471 action Effects 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 230000006378 damage Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000011148 porous material Substances 0.000 claims description 26
- 230000002265 prevention Effects 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 229920002449 FKM Polymers 0.000 claims description 5
- 229920001973 fluoroelastomer Polymers 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000007517 polishing process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 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
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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
-
- 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
-
- 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
Abstract
The application discloses a novel movable contact sealing device of a GW20-252W2500 type isolating switch, which comprises a sealing body, wherein a mounting hole is formed in the upper surface of the sealing body, a movable contact action duct is formed in the upper surface of the sealing body, a reinforcing component is arranged on the upper surface of the sealing body, and a waterproof structure is arranged on the upper surface of the sealing body. According to the application, through the matching of the material of the sealing body and the reinforcing component, the sealing body is not easy to damage, the service life of the sealing body is prolonged, the sealing body is further ensured not to cause water seepage due to aging and damage, the waterproof performance of the sealing device is improved, the slope is formed at the top of the slightly convex umbrella-shaped sealing body, the outflow of rainwater is ensured, the water accumulation on the sealing body is avoided, the flow of the rainwater is prevented by the reinforcing rib through the drainage groove, and the rainwater is timely discharged through the drainage groove and the water outlet, so that the movable contact sealing device of the novel GW20-252W2500 type isolating switch solves the problems of easiness in water accumulation and water seepage of the sealing device.
Description
Technical Field
The application relates to the technical field of power transmission and distribution equipment, in particular to a movable contact sealing device of a novel GW20-252W2500 type isolating switch.
Background
The isolating switch is an electric appliance which is most used in high-voltage switch electric appliances, plays an isolating role in a circuit, and a sealing device of a moving contact of the isolating switch is an important component for ensuring the normal operation of the isolating switch, and various manufacturers adopting GW20-252W/2500 type isolating switches upgrade the isolating switch in a mode of replacing the isolating switch or equipment, so that the operating pressure is gradually improved along with the development of the power industry, and the reliability of equipment is promoted by adopting a mode of small improvement and small upgrade on the premise that the operating cost of a power plant is greatly reduced.
When the movable 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 ageing and damage of the sealing device and the defects of the sealing device, so that an isolating switch circuit is damaged.
Disclosure of Invention
The application aims to provide a movable contact sealing device of a novel GW20-252W2500 type isolating switch, which aims to solve the problems in the prior art.
The embodiment of the application adopts the following technical scheme:
the movable contact sealing device of the novel GW20-252W2500 type isolating switch comprises a sealing body, wherein a mounting hole is formed in the upper surface of the sealing body, a movable contact action pore canal is formed in the upper surface of the sealing body, a reinforcing component is arranged on the upper surface of the sealing body, and a waterproof structure is arranged on the upper surface of the sealing body;
the waterproof structure comprises a water seepage prevention component arranged on the upper surface of the sealing body and a waterway structure arranged inside the reinforcing component.
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 duct is smoothed by a polishing process so as to improve the tensile loss resistance.
Preferably, the reinforcement assembly comprises a telescopic fold, the upper surface of the sealing body is provided with a mounting groove hole, the surface of the telescopic fold is fixedly connected with the inner wall of the mounting groove hole, the telescopic fold is annular, the moving contact action pore canal is located in the ring of the telescopic fold, the upper surface of the sealing body is fixedly connected with a reinforcing rib, and two ends of the reinforcing rib are respectively fixedly connected with the left inner wall and the right inner wall of the telescopic fold.
Preferably, the waterway structure comprises a drainage groove arranged on the surface of the reinforcing rib, the inner wall of the telescopic fold is provided with a water diversion groove, the inner wall of the water diversion groove is provided with a drainage hole, and a water passing channel is formed between the two telescopic folds.
Preferably, the upper surface of the sealing body is inclined downwards from the central part to the edge position, namely, the upper surface of the sealing body is slightly convex umbrella-shaped.
Preferably, the water seepage prevention component can be a waterproof cap, the lower surface of the waterproof cap is fixedly arranged at the position of the upper surface of the sealing body corresponding to the moving contact action pore channel, and the upper surface of the waterproof cap is provided with a through hole which is convenient for moving the moving contact.
Preferably, the waterproof cap can be rectangular block-shaped so as to prevent accumulated water from entering 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 along with the increase of the accumulated water, the wide top at the upper part of the waterproof cap forms a surrounding baffle to prevent the accumulated water from being sputtered into the moving contact action pore channel.
Preferably, the water seepage prevention component can also be a waterproof groove, the waterproof groove is formed in the upper surface of the sealing body, the water outlet hole is formed in the inner wall of the waterproof groove, the partition plate is fixedly connected to the inner wall of the waterproof groove, the water passing hole is formed in the upper surface of the partition plate, and the water passing hole is in a conical shape with a large upper part and a small lower part.
The above at least one technical scheme adopted by the embodiment of the application can achieve the following beneficial effects:
firstly, through the sealing body that adopts VITON fluororubber material to support, can resist the corrosiveness of most oil and solvent, improved sealing device's life, through the cooperation with smooth and the strengthening rib of polishing the inner wall in moving contact action pore, can guarantee that moving contact action pore department is difficult for drawing the damage, reduce the mechanical stress influence that moving contact action pore department received to minimum through flexible fold to this novel GW20-252W2500 type isolator's moving contact sealing device has solved sealing device and has easily aged, the easy damaged problem.
Secondly, through the cooperation of the material of seal and reinforcement subassembly, make the seal be difficult for damaging, increase its life, and then ensure that the seal can not cause the infiltration because ageing, damaged reason, sealing device's waterproof performance has been improved, form the slope through the seal top of slightly protruding umbelliform, ensure that the rainwater flows, avoid ponding on the seal, avoid the strengthening rib to block the flow of rainwater through the water drainage tank, through water drainage tank and apopore, make the rainwater in time discharge, avoid flexible fold to the flow of rainwater to produce the barrier through the water channel, prevent that the rainwater from moving contact action pore entering seal inside when flowing through the prevention of seepage water subassembly, cause the harm to isolator, thereby make this novel GW20-252W2500 type isolator's moving contact sealing device have solved sealing device easy ponding, easy infiltration's problem.
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 specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is: the application is a schematic diagram of a front view structure;
fig. 2 is: a schematic diagram of a front view structure of the reinforcement assembly of the application;
fig. 3 is: the main view structure schematic diagram of the waterway structure of the application;
fig. 4 is: an enlarged schematic view of the structure of the present application at a in fig. 3;
fig. 5 is: a schematic diagram of a front view structure of a waterproof cap in the first embodiment of the application;
fig. 6 is: a schematic diagram of a main view structure in a second embodiment of the present application;
fig. 7 is: a schematic diagram of a main view structure according to a third embodiment of the present application;
fig. 8 is: a schematic cross-sectional structure of the third embodiment of the present application;
fig. 9 is: an enlarged schematic view of the structure of the present application at B in fig. 8;
fig. 10 is: in the third embodiment of the application, a front view structure schematic diagram of the partition plate and the water passing hole is provided.
In the figure: 1. a sealing body; 2. a mounting hole; 3. a moving contact action duct; 4. a reinforcement assembly; 41. telescoping wrinkles; 42. reinforcing ribs; 5. a water-impermeable component; 6. a waterway structure; 61. a drainage channel; 62. a water diversion trench; 63. a drain hole; 64. a water passing channel; 70. a waterproof cap; 71. a through hole; 80. a water-repellent tank; 81. a water outlet hole; 82. a partition plate; 83. and water holes.
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 clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
Referring to fig. 1-10, the present application provides a technical scheme of a moving contact sealing device of a novel GW20-252W2500 type isolating switch:
the utility model provides a novel GW20-252W2500 type isolator's moving contact sealing device, includes seal body 1, and mounting hole 2 has been seted up to seal body 1's upper surface, and seal body 1's upper surface has been seted up moving contact action pore 3, and seal body 1's upper surface is provided with reinforcement subassembly 4, and seal body 1's upper surface is provided with waterproof construction;
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 body 1 through mounting hole 2, be convenient for the moving contact through moving contact action pore 3 act, improve sealing device's tensile damage ability through reinforcement component 4, prevent in the rainwater gets into seal body 1 through waterproof construction, wherein waterproof subassembly 5 is used for preventing the rainwater and passes through moving contact action pore 3 infiltration seal body 1 in, waterway structure 6 is used for in time discharging the rainwater, avoids the rainwater to accumulate and produces ponding.
As shown in fig. 1-2, the sealing body 1 is made of VITON fluororubber material, so as to prolong the service life of the sealing device.
The inner wall of the moving contact action duct 3 is smoothed by a polishing process so as to improve the tensile loss resistance.
The reinforcement assembly 4 comprises a telescopic fold 41, the upper surface of the sealing body 1 is provided with a mounting groove hole, 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 positioned in the annular of the telescopic fold 41, the upper surface of the sealing body 1 is fixedly connected with a reinforcing rib 42, and two ends of the reinforcing rib 42 are respectively fixedly connected with the left inner wall and the right inner wall of the telescopic fold 41.
Specifically, through the sealing body 1 that adopts VITON fluororubber material to support, can resist the corrosiveness of most oil and solvent, improved sealing device's life, through the cooperation with the inner wall smoothness and the strengthening rib 42 of polishing of moving contact action pore 3, can guarantee that moving contact action pore 3 department is difficult for drawing the damage, reduces the mechanical stress influence that moving contact action pore 3 department received to minimum through flexible fold 41.
As shown in fig. 3-4, the waterway structure 6 includes a drainage groove 61 formed on the surface of the reinforcing rib 42, a water diversion groove 62 formed on the inner wall of the telescopic folds 41, a drainage hole 63 formed on the inner wall of the water diversion groove 62, and a water channel 64 formed between the two telescopic folds 41.
The upper surface of the sealing body 1 is inclined downwards from the central part to the edge position, namely, the upper surface of the sealing body 1 is slightly convex umbrella-shaped.
Specifically, through the cooperation of the material of seal body 1 and reinforcement subassembly 4, make seal body 1 be difficult for damaging, increase its life, and then ensure that seal body 1 can not cause the infiltration because ageing, damaged reason, sealing device's waterproof performance has been improved, seal body 1 top through the slightly protruding umbrella-shaped, form the slope, ensure that the rainwater flows, avoid the water accumulation on the seal body 1, avoid strengthening rib 42 to block the flow of rainwater through water drainage groove 61, through water drainage groove 62 and wash port 63, make the rainwater in time discharge, avoid flexible fold 41 to block the flow of rainwater through water channel 64, prevent that the rainwater from entering seal body 1 inside from moving the duct 3 when flowing through prevention of seepage water subassembly 5, cause the harm to isolator.
Example 1
As shown in fig. 5, the water seepage prevention assembly 5 may be a waterproof cap 70, the lower surface of the waterproof cap 70 is fixedly installed at a position corresponding to the moving contact action duct 3 on the upper surface of the sealing body 1, and a through hole 71 which is convenient for moving the moving contact is formed on the upper surface of the waterproof cap 70.
The waterproof cap 70 may be rectangular block-shaped to prevent accumulated water from entering the sealing body 1 through the moving contact action hole 3 to cause damage to the isolating switch.
Specifically, rainwater flowing around the moving contact action duct 3 is blocked by the rectangular block-shaped waterproof cap 70, so that the rainwater is prevented from entering the moving contact action duct 3 and then 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, the lower surface of the waterproof cap 70 is fixedly installed at a position corresponding to the moving contact action duct 3 on the upper surface of the sealing body 1, and a through hole 71 which is convenient for moving the moving contact is formed on the upper surface of the waterproof cap 70.
The waterproof cap 70 can also be in a trapezoid block shape with a wide upper part and a narrow lower part, and along with the increase of the accumulated water, the wide top of the upper part forms a surrounding barrier to prevent the accumulated water from being sputtered into the moving contact action pore channel 3.
Specifically, the trapezoid block waterproof cap 70 with wide upper part and narrow lower part can form a fence on the upper part of the waterproof cap 70, so that part of rainwater is prevented from being splashed into the moving contact action pore channel 3 beyond the waterproof cap 70 when the rainwater flows.
Example III
7-10, the water seepage prevention assembly 5 can be a waterproof groove 80, the waterproof groove 80 is formed in the upper surface of the sealing body 1, a water outlet hole 81 is formed in the inner wall of the waterproof groove 80, a partition plate 82 is fixedly connected to the inner wall of the waterproof groove 80, a water passing hole 83 is formed in the upper surface of the partition plate 82, and the water passing hole 83 is in a conical shape with a large upper part and a small lower part.
Specifically, the movable contact action pore channel 3 is isolated from the periphery through the waterproof groove 80, so that flowing rainwater directly enters the waterproof groove 80, cannot enter the movable contact action pore channel 3, enters the bottom of the waterproof groove 80 through the cooperation of the partition plate 82 and the water passing holes 83, is not easy to splash into the movable contact action pore channel 3 due to fluctuation in the upper and lower parts of the water passing holes 83, and is discharged outwards through the water outlet 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 one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.
Claims (9)
1. The utility model provides a novel GW20-252W2500 type isolator's moving contact sealing device, includes seal (1), its 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 duct (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 in the reinforcing component (4);
the reinforcing component (4) comprises a telescopic fold (41), an installation slot 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 installation slot hole, the telescopic fold (41) is annular, the moving contact action pore channel (3) is located in the annular of the telescopic fold (41), reinforcing ribs (42) are fixedly connected with the upper surface of the sealing body (1), and two ends of each reinforcing rib (42) are fixedly connected with the left inner wall and the right inner wall of the telescopic fold (41) respectively.
2. The movable contact sealing device of the novel GW20-252W2500 type isolating switch as claimed in claim 1, wherein: the sealing body (1) is made of VITON fluororubber material so as to prolong the service life of the sealing device.
3. The movable contact sealing device of the novel GW20-252W2500 type isolating switch as claimed in claim 1, wherein: the inner wall of the moving contact action pore channel (3) is smoothed by a polishing process so as to improve the tensile loss resistance.
4. The movable contact sealing device of the novel GW20-252W2500 type isolating switch as claimed in claim 1, wherein: the waterway structure (6) comprises drainage grooves (61) formed in the surface of the reinforcing ribs (42), water diversion 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 diversion grooves (62), and water passing channels (64) are formed between the two telescopic folds (41).
5. The movable contact sealing device of the novel GW20-252W2500 type isolating switch as claimed in claim 1, wherein: the upper surface of the sealing body (1) is inclined downwards from the central part to the edge position, namely, the upper surface of the sealing body (1) is slightly convex umbrella-shaped.
6. The movable contact sealing device of the novel GW20-252W2500 type isolating switch as claimed in claim 1, wherein: the anti-seepage assembly (5) is a waterproof cap (70), the lower surface of the waterproof cap (70) is fixedly arranged at the position, corresponding to the moving contact action pore channel (3), of the upper surface of the sealing body (1), and a through hole (71) which is convenient for moving the moving contact is formed in the upper surface of the waterproof cap (70).
7. The movable contact sealing device of the novel GW20-252W2500 type isolating switch as claimed in claim 6, wherein: the waterproof cap (70) is rectangular and blocky so as to prevent accumulated water from entering the sealing body (1) through the moving contact action pore channel (3) to cause the damage of the isolating switch.
8. The movable contact sealing device of the novel GW20-252W2500 type isolating switch as claimed in claim 6, wherein: the waterproof cap (70) is in a trapezoid block shape with a wide upper part and a narrow lower part, and along with the increase of accumulated water, the wide top of the upper part of the waterproof cap forms a surrounding barrier to prevent the accumulated water from being sputtered into the moving contact action pore channel (3).
9. The movable contact sealing device of the novel GW20-252W2500 type isolating switch as claimed in claim 1, wherein: the anti-seepage assembly (5) is a waterproof groove (80), the waterproof groove (80) is formed in the upper surface of the sealing body (1), a water outlet hole (81) is formed in the inner wall of the waterproof groove (80), a partition plate (82) is fixedly connected to the inner wall of the waterproof groove (80), a water passing hole (83) is formed in the upper surface of the partition plate (82), and the water passing hole (83) is in a conical shape with the upper part being large and the lower part being small.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113972077A CN113972077A (en) | 2022-01-25 |
| CN113972077B true CN113972077B (en) | 2023-12-15 |
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|---|---|---|---|
| CN202111095564.4A Active CN113972077B (en) | 2021-09-17 | 2021-09-17 | Novel GW20-252W2500 type isolating switch moving contact sealing device |
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| CN (1) | CN113972077B (en) |
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