CN209947678U - Novel 10KV outdoor vacuum circuit breaker isolating switch contact device - Google Patents
Novel 10KV outdoor vacuum circuit breaker isolating switch contact device Download PDFInfo
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- CN209947678U CN209947678U CN201921083507.2U CN201921083507U CN209947678U CN 209947678 U CN209947678 U CN 209947678U CN 201921083507 U CN201921083507 U CN 201921083507U CN 209947678 U CN209947678 U CN 209947678U
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- vacuum circuit
- isolator
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Abstract
The utility model discloses a novel outdoor vacuum circuit breaker isolator contact device of 10KV relates to isolator technical field, and it includes the isolator casing, be provided with the guide arm in the isolator casing, the top and the bottom of guide arm all are provided with the moving contact, the right flank of isolator casing and the left surface fixed connection of connecting seat, first recess has been seted up to the left surface of connecting seat. This novel outdoor vacuum circuit breaker isolator contact device of 10KV, through setting up the isolator casing, the guide arm, the moving contact, the static contact, the connecting plate, a spring, the slider, scraper blade and first recess, make two connecting plates drive two static contacts and two moving contact in close contact with respectively, make the moving contact be difficult for breaking away from the static contact, guarantee the normal circulation of electric current, and this contact device possesses self-cleaning function, prevent moving contact surface impurity and static contact direct contact, can not cause the contact resistance increase, the flow property of electric current has been improved.
Description
Technical Field
The utility model relates to an isolator technical field specifically is a novel outdoor vacuum circuit breaker isolator contact device of 10 KV.
Background
In an outdoor 10KV vacuum circuit breaker, a disconnecting switch is usually arranged, the disconnecting switch system is an important device of a power supply system, provides electric energy power for the device, and is directly related to reliable power supply of various devices, the disconnecting switch is the most used electrical appliance in high-voltage switch electrical appliances, plays an isolating role in a circuit, and during rated short-circuit current breaking, an integrated disconnecting switch contact is easy to burn, and the flow performance of current is poor due to the fact that oxidation product impurities or contact surface area ash appears on the contact surface when the contact is used for a long time and contacted, and the accumulation of filth and oil sludge caused by factors such as environment and the like in the running process of the equipment can also cause the contact of the equipment to be overheated, and even can cause the creepage distance of the equipment to be reduced or even lost, because the contact can not be self-cleaned and the heat dissipation effect is not good, certain potential safety hazard is generated during use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a novel 10KV outdoor vacuum circuit breaker isolator contact device, during rated short-circuit current cut-off has been solved, integration isolator contact burns out easily, because of the contact uses for a long time and oxidation product impurity or contact surface area ash can appear on the contact surface when contacting causes the contact resistance increase, the circulation performance variation that leads to the electric current, and the equipment operation in-process is piled up filth thing and fatlute that leads to because factors such as environment also can arouse that the equipment contact is overheated, the creepage distance that can lead to equipment even reduces or even loses, because the contact can't carry out self-cleaning, and the radiating effect is not good, the problem that has certain potential safety hazard during the use.
(II) technical scheme
In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a novel outdoor vacuum circuit breaker isolator contact device of 10KV, includes the isolator casing, be provided with the guide arm in the isolator casing, the top and the bottom of guide arm all are provided with the moving contact, the right flank of isolator casing and the left surface fixed connection of connecting seat, first recess has been seted up to the left surface of connecting seat.
Second grooves are formed in the upper surface and the lower surface of the inner wall of the first groove, telescopic devices are arranged in the second grooves, sliding blocks are fixedly connected to the left side surface and the right side surface of each telescopic device, and the sliding blocks are connected in the sliding grooves in a sliding mode.
The sliding groove is formed in the left side face of the inner wall of the first groove, the top end of the telescopic device is fixedly connected with the upper surface of the inner wall of the second groove, the lower surface of the telescopic device is provided with a scraper and a static contact, and the inner surface of the scraper is in lap joint with the outer surface of the movable contact.
Preferably, the telescopic device comprises a connecting plate, the left side surface and the right side surface of the connecting plate are respectively and fixedly connected with the opposite surfaces of the two sliding blocks, the upper surface of the connecting plate is fixedly connected with the upper surface of the inner wall of the second groove through a plurality of springs, and the lower surface of the connecting plate is fixedly connected with the upper surfaces of the scraper and the static contact.
Preferably, a wire is clamped in the connecting plate, the bottom end of the wire is fixedly connected with the upper surface of the static contact, the wire is located in the first through hole, the first through hole is formed in the upper surface of the inner wall of the second groove, a conductive rod is arranged at the right end of the wire, the conductive rod is clamped on the right side surface of the connecting seat, and the wire is clamped on the upper surface of the connecting seat.
Preferably, the front surface of the guide rod is provided with a plurality of heat dissipation holes, the heat dissipation holes are located behind the two heat dissipation fans, the heat dissipation fans are arranged in the second through holes, and the second through holes are formed in the front surface of the connecting seat.
Preferably, the right ends of the two moving contacts of the guide rod are provided with the same limiting block, the limiting block is located on the left side of the limiting groove, and the limiting groove is formed in the right side face of the inner wall of the first groove.
Preferably, the shapes of the scraper, the moving contact and the static contact are all set to be arc-shaped, the shapes of the limiting block and the limiting groove are all set to be rectangular, and the guide rod, the limiting block and the scraper are insulators.
(III) advantageous effects
The beneficial effects of the utility model reside in that:
1. the novel isolating switch contact device of the 10KV outdoor vacuum circuit breaker comprises an isolating switch shell, a guide rod, moving contacts, static contacts, a connecting plate, a spring, a sliding block, a scraper and a first groove, wherein when the guide rod moves rightwards, the guide rod drives the two moving contacts to move rightwards, so that the two moving contacts are firstly contacted with the two scrapers, the scrapers can scrape impurities on the surface of the moving contacts in the process that the two moving contacts move rightwards, when the two moving contacts are completely contacted with the two static contacts, the elastic force of a plurality of springs extrudes the connecting plate, the two connecting plates respectively drive the two static contacts to be tightly contacted with the two moving contacts, the moving contacts are not easy to be separated from the static contacts, the normal circulation of current is ensured, the contact device has a self-cleaning function, the impurities, the current flow performance is improved.
2. This novel outdoor vacuum circuit breaker isolator contact device of 10KV, through setting up the second through-hole, radiator fan, first recess, the louvre, the moving contact, static contact and guide arm, when the moving contact contacts with the static contact and equipment carries out the during operation, control two radiator fan work, make two produced wind of radiator fan work can blow to moving contact and static contact, effectually handle the moving contact and the static contact dispel the heat, because of being provided with a plurality of louvre on the guide arm, radiating area has been enlarged, the radiating effect has further been improved, prevent that moving contact and static contact from appearing the phenomenon of scaling loss because of the high temperature, the life of moving contact and static contact has been prolonged.
3. This novel outdoor vacuum circuit breaker isolator contact device of 10KV, through setting up the guide arm, the stopper, the scraper blade, a spring, spacing groove and slider, when the guide arm drives two moving contacts and moves right, make the stopper move right and the card goes into the spacing inslot, set up to the rectangle because of the shape of stopper, make the effectual spacing effect that has played of stopper, make moving contact and static contact time more stable, because of being provided with the spring, the spring has certain buffer function, prevent the scraper blade scratch moving contact, because of being provided with the slider, make the connecting plate drive the static contact can not rock and more stable when reciprocating, because of the guide arm, stopper and scraper blade are the insulator, the holistic security performance of the device has been improved.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the guide bar of the present invention viewed from the left;
fig. 3 is a schematic view of the section structure of the connecting seat in a top view.
In the figure: the isolating switch comprises an isolating switch shell 1, a guide rod 2, a moving contact 3, a connecting seat 4, a first groove 5, a telescopic device 6, a connecting plate 61, a spring 62, a sliding block 7, a sliding groove 8, a second groove 9, a fixed contact 10, a first through hole 11, a lead 12, a scraper 13, heat dissipation holes 14, a limiting block 15, a limiting groove 16, a conducting rod 17, a second through hole 18 and a cooling fan 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a novel isolating switch contact device of a 10KV outdoor vacuum circuit breaker comprises an isolating switch shell 1, a guide rod 2 is arranged in the isolating switch shell 1, a plurality of heat dissipation holes 14 are formed in the front surface of the guide rod 2, the heat dissipation holes 14 are positioned behind two heat dissipation fans 19, the heat dissipation fans 19 are arranged in second through holes 18, the second through holes 18 are formed in the front surface of a connecting seat 4, as the guide rod 2 is provided with the plurality of heat dissipation holes 14, the heat dissipation area is enlarged, the heat dissipation effect is further improved, moving contacts 3 are arranged at the top and the bottom of the guide rod 2, wind generated by the work of the two heat dissipation fans 19 can blow towards the moving contacts 3 and the static contacts 10 through the arrangement of the heat dissipation fans 19, the moving contacts 3 and the static contacts 10 are effectively subjected to heat dissipation treatment, the right ends of the two moving contacts 3 of the guide rod 2 are provided with a same, the right flank at first recess 5 inner wall is seted up to spacing groove 16, and the right flank of isolator casing 1 and the left surface fixed connection of connecting seat 4 are through setting up scraper blade 13 for two moving contacts 3 at first contact with two scraper blades 13, make two moving contacts 3 in-process scraper blades 13 that move to the right can strike off the impurity on moving contact 3 surface, and first recess 5 has been seted up to the left surface of connecting seat 4.
The upper surface and the lower surface of the inner wall of the first groove 5 are both provided with a second groove 9, a telescopic device 6 is arranged in the second groove 9, the telescopic device 6 comprises a connecting plate 61, the left side surface and the right side surface of the connecting plate 61 are respectively and fixedly connected with the opposite surfaces of the two sliders 7, the upper surface of the connecting plate 61 is fixedly connected with the upper surface of the inner wall of the second groove 9 through a plurality of springs 62, the lower surface of the connecting plate 61 is fixedly connected with the upper surfaces of the scraper 13 and the static contact 10, the left side surface and the right side surface of the telescopic device 6 are both fixedly connected with the sliders 7, the safety performance of the whole device is improved because the guide rod 2, the limiting block 15 and the scraper 13 are insulators, a lead 12 is clamped in the connecting plate 61, the bottom end of the lead 12 is fixedly connected with the upper surface of the static contact 10, the lead 12 is positioned in the first through hole 11, conducting rod 17 joint is in the right flank of connecting seat 4, and wire 12 joint is in the upper surface of connecting seat 4, and slider 7 sliding connection is in spout 8.
The chute 8 is arranged on the left side surface of the inner wall of the first groove 5, the top end of the telescopic device 6 is fixedly connected with the upper surface of the inner wall of the second groove 9, by arranging the limiting block 15, when the guide rod 2 drives the two moving contacts 3 to move rightwards, the limiting block 15 moves rightwards and is clamped into the limiting groove 16, because the limiting block 15 is rectangular, the limiting block 15 effectively plays a limiting role, the moving contacts 3 and the static contacts 10 are more stable when in contact, the scraper 13, the moving contacts 3 and the static contacts 10 are all arc-shaped, the limiting block 15 and the limiting groove 16 are all rectangular, the guide rod 2, the limiting block 15 and the scraper 13 are insulators, and because the spring 62 is arranged, the spring 62 has a certain buffer function, the moving contacts 3 are prevented from being scratched by the scraper 13, and because the slider 7 is arranged, the connecting plate 61 can not shake and, the lower surface of the telescopic device 6 is provided with a scraper 13 and a static contact 10, and the inner surface of the scraper 13 is lapped with the outer surface of the movable contact 3.
The utility model discloses an operating procedure does:
s1, when the guide rod 2 moves rightwards, the guide rod 2 drives the two moving contacts 3 to move rightwards, so that the two moving contacts 3 are firstly contacted with the two scrapers 13, and the scrapers 13 can scrape impurities on the surfaces of the moving contacts 3 in the process that the two moving contacts 3 move rightwards;
s2, when the two moving contacts 3 are completely contacted with the two fixed contacts 10, the connecting plates 61 are pressed by the elastic forces of the springs 62, so that the two fixed contacts 10 are respectively driven by the two connecting plates 61 to be in close contact with the two moving contacts 3;
and S3, when the moving contact 3 is in contact with the fixed contact 10 and the equipment works, controlling the two cooling fans 19 to work, so that wind generated by the work of the two cooling fans 19 can blow the moving contact 3 and the fixed contact 10, and effectively performing heat dissipation treatment on the moving contact 3 and the fixed contact 10.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a novel outdoor vacuum circuit breaker isolator contact device of 10KV, includes isolator casing (1), its characterized in that: a guide rod (2) is arranged in the isolating switch shell (1), moving contacts (3) are arranged at the top and the bottom of the guide rod (2), the right side face of the isolating switch shell (1) is fixedly connected with the left side face of the connecting seat (4), and a first groove (5) is formed in the left side face of the connecting seat (4);
the upper surface and the lower surface of the inner wall of the first groove (5) are respectively provided with a second groove (9), a telescopic device (6) is arranged in each second groove (9), the left side surface and the right side surface of each telescopic device (6) are respectively fixedly connected with a sliding block (7), and the sliding blocks (7) are connected in sliding grooves (8) in a sliding mode;
the sliding groove (8) is formed in the left side face of the inner wall of the first groove (5), the top end of the telescopic device (6) is fixedly connected with the upper surface of the inner wall of the second groove (9), a scraper (13) and a static contact (10) are arranged on the lower surface of the telescopic device (6), and the inner surface of the scraper (13) is in lap joint with the outer surface of the movable contact (3).
2. The novel contact device of the disconnecting switch of the 10KV outdoor vacuum circuit breaker, according to claim 1, is characterized in that: the telescopic device (6) comprises a connecting plate (61), the left side surface and the right side surface of the connecting plate (61) are fixedly connected with the opposite surfaces of the two sliding blocks (7) respectively, the upper surface of the connecting plate (61) is fixedly connected with the upper surface of the inner wall of the second groove (9) through a plurality of springs (62), and the lower surface of the connecting plate (61) is fixedly connected with the upper surfaces of the scraper (13) and the static contact (10).
3. The novel contact device of the disconnecting switch of the 10KV outdoor vacuum circuit breaker, according to claim 2, is characterized in that: the connecting plate (61) is connected with a lead (12) in a clamping mode, the bottom end of the lead (12) is fixedly connected with the upper surface of the static contact (10), the lead (12) is located in the first through hole (11), the first through hole (11) is formed in the upper surface of the inner wall of the second groove (9), a conductive rod (17) is arranged at the right end of the lead (12), the conductive rod (17) is connected to the right side face of the connecting seat (4) in a clamping mode, and the lead (12) is connected to the upper surface of the connecting seat (4) in a clamping mode.
4. The novel contact device of the disconnecting switch of the 10KV outdoor vacuum circuit breaker, according to claim 1, is characterized in that: the front surface of the guide rod (2) is provided with a plurality of heat dissipation holes (14), the heat dissipation holes (14) are located behind two heat dissipation fans (19), the heat dissipation fans (19) are arranged in second through holes (18), and the second through holes (18) are arranged on the front surface of the connecting seat (4).
5. The novel contact device of the disconnecting switch of the 10KV outdoor vacuum circuit breaker, according to claim 1, is characterized in that: the right ends of the two moving contacts (3) of the guide rod (2) are provided with the same limiting block (15), the limiting block (15) is located on the left side of the limiting groove (16), and the limiting groove (16) is formed in the right side face of the inner wall of the first groove (5).
6. The novel contact device of the disconnecting switch of the 10KV outdoor vacuum circuit breaker, according to claim 5, is characterized in that: the scraper (13), the moving contact (3) and the static contact (10) are all arc-shaped, the limiting blocks (15) and the limiting grooves (16) are all rectangular, and the guide rod (2), the limiting blocks (15) and the scraper (13) are insulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083507.2U CN209947678U (en) | 2019-07-11 | 2019-07-11 | Novel 10KV outdoor vacuum circuit breaker isolating switch contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083507.2U CN209947678U (en) | 2019-07-11 | 2019-07-11 | Novel 10KV outdoor vacuum circuit breaker isolating switch contact device |
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| Publication Number | Publication Date |
|---|---|
| CN209947678U true CN209947678U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921083507.2U Active CN209947678U (en) | 2019-07-11 | 2019-07-11 | Novel 10KV outdoor vacuum circuit breaker isolating switch contact device |
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| CN (1) | CN209947678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117060260A (en) * | 2023-08-15 | 2023-11-14 | 国网安徽省电力有限公司濉溪县供电公司 | Intelligent substation electrical equipment |
-
2019
- 2019-07-11 CN CN201921083507.2U patent/CN209947678U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117060260A (en) * | 2023-08-15 | 2023-11-14 | 国网安徽省电力有限公司濉溪县供电公司 | Intelligent substation electrical equipment |
| CN117060260B (en) * | 2023-08-15 | 2024-02-23 | 国网安徽省电力有限公司濉溪县供电公司 | Intelligent substation electrical equipment |
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