CN108335926A - A kind of shielding construction of environment-protecting cabinet contact - Google Patents
A kind of shielding construction of environment-protecting cabinet contact Download PDFInfo
- Publication number
- CN108335926A CN108335926A CN201810127462.8A CN201810127462A CN108335926A CN 108335926 A CN108335926 A CN 108335926A CN 201810127462 A CN201810127462 A CN 201810127462A CN 108335926 A CN108335926 A CN 108335926A
- Authority
- CN
- China
- Prior art keywords
- switch contact
- contact cover
- isolating
- arc
- load switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H2003/326—Driving mechanisms, i.e. for transmitting driving force to the contacts using bearings
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to protective cover technical field more particularly to a kind of shielding constructions of environment-protecting cabinet contact, including:Circuit breaker/load switch Contact Cover, main transmission axis hole, arc-extinguish chamber, isolating/grounding switch Contact Cover;The circuit breaker/load switch Contact Cover is arranged with isolating/grounding switch Contact Cover in arc-extinguish chamber upper and lower ends, is connected using fixed form;It is provided with main transmission axis hole on the main circuit breaker/load switch contact cover.The logical analysis to electromagnetic field principle of the present invention, develop it is a set of can uniform electric field distribution, the Contact Cover that reduces electric field strength, have heat sinking function and have good insulating properties, it can effectively solve to cause electrical distance insufficient because of space limitation, the shelf depreciation problem to occur.
Description
Technical field
The present invention relates to protective cover technical field more particularly to a kind of shielding constructions of environment-protecting cabinet contact.
Background technology
With the development of electric utility, gas-filling cabinet market competition is growing more intense, the raising to controller switching equipment product standard, people
Environmental consciousness attention to environmental protection of enhancing and country, therefore environment-friendly type gas cabinet just comes into being.
But current environment-friendly type gas cabinet causes internal electric field to be unevenly distributed, electricity due to the limitation of miniature size
Field intensity height, radiating and cooling energy force difference, there are partial enlargement hidden danger, performance is barely satisfactory.
Invention content
The logical analysis to electromagnetic field principle of the present invention, develop it is a set of can uniform electric field distribution, reduce electric field strength, have
Heat sinking function and the Contact Cover for having good insulating properties can effectively solve to cause electrical distance insufficient because of space limitation, to
The shelf depreciation problem of appearance.
The purpose of the present invention and effect are reached by technical solution in detail below:
A kind of shielding construction of environment-protecting cabinet contact, including:Circuit breaker/load switch Contact Cover, isolating/grounding switch Contact Cover,
Main transmission axis hole, arc-extinguish chamber;The circuit breaker/load switch Contact Cover is arranged with isolating/grounding switch Contact Cover in arc-extinguish chamber
Upper and lower ends are connected using fixed form;It is provided with main transmission axis hole on the main circuit breaker/load switch contact cover.
Preferably, the overall appearance of the circuit breaker/load switch Contact Cover and isolating/grounding switch Contact Cover is in circular arc
Shape.
Preferably, the arc-extinguish chamber uses macromolecule environmental protection recyclable material, and excellent insulation performance.
Preferably, it is low, again to be all made of density for the circuit breaker/load switch Contact Cover and isolating/grounding switch Contact Cover
The high duty alloy cast for measuring light, electric conductivity and excellent heat conductivity forms.
Preferably, the surfaces externally and internally of the circuit breaker/load switch Contact Cover and isolating/grounding switch Contact Cover is coated with
A kind of black radiating insulating coating.
Preferably, the top Yu side of the circuit breaker/load switch Contact Cover are provided through main transmission axis hole.
The operation principle of the shielding construction of above-mentioned environment-protecting cabinet contact:Circuit breaker/load switch Contact Cover is fixed on arc extinguishing
Upper end is covered, high-precision bearing is installed inside main transmission axis hole at this time, isolating/grounding switch Contact Cover is installed under arc-extinguish chamber
End, main shaft passes through three-phase main transmission axis hole, due to being equipped with high-precision bearing inside main transmission axis hole, so operation is can
To ensure that the synchronization of three same operations of switch, circuit breaker/load switch Contact Cover are all made of with isolating/grounding switch Contact Cover
Density is low, the high duty alloy cast of light-weight, electric conductivity and excellent heat conductivity forms, and has a heat sinking function, and breaker/
Load switch contact cover and the inner wall outer wall of isolating/grounding switch Contact Cover are circular-arc-shaped design, arc-shaped structure curvature half
Diameter is big so that field distribution is more uniformly distributed, the phenomenon that reducing electric field strength, solve shelf depreciation;Circuit breaker/load switch touches
Head-shield and the surfaces externally and internally of isolating/grounding switch Contact Cover are coated with a kind of black heat radiation coating, play the role of radiation cooling,
The Wen Sheng of contact is effectively reduced, while there is good insulating properties, alternate and distance to the ground is reduced, keeps switchgear more small-sized
Change.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art:
1, the inner wall outer wall of circuit breaker/load switch Contact Cover of the present invention and isolating/grounding switch Contact Cover is arc-shaped sets
The setting of meter, arc-shaped structure radius of curvature are big so that field distribution is more uniformly distributed, and reduces electric field strength, reduce it is alternate and
Distance to the ground solves, because apart from the phenomenon that shelf depreciation not enough occurred occurring, switchgear to be made to minimize.
2, the surfaces externally and internally of circuit breaker/load switch Contact Cover of the present invention and isolating/grounding switch Contact Cover is coated with one
The setting of kind black radiating and cooling coating, plays the role of radiation cooling, effectively reduces the Wen Sheng of contact, while having good
Insulating properties.
3, the present invention is cast by circuit breaker/load switch Contact Cover and isolating/grounding switch Contact Cover by alloy material
It is arranged made of making, makes Contact Cover that there is excellent electric conductivity and thermal conductivity.
4, the present invention is by being provided with sealing bearing in main transmission axis hole, and is provided with main transmission in the sealing bearing
Axis is the setting of precision-fit between the bearing and the main shaft, ensures that threephase switch operation synchronizes.
5, the logical analysis to electromagnetic field principle of the present invention, develop it is a set of can uniform electric field distribution, reduce electric field strength, tool
Standby heat sinking function and the Contact Cover for having good insulating properties can effectively solve to cause electrical distance insufficient because of space limitation, from
And the problem of effective solution existing apparatus and deficiency.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the circuit breaker/load switch Contact Cover overlooking structure diagram of the present invention.
Fig. 3 is the isolating/grounding switch Contact Cover overlooking structure diagram of the present invention.
In figure:Circuit breaker/load switch Contact Cover 1, main transmission axis hole 2, arc-extinguish chamber 3, isolating/grounding switch Contact Cover 4.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig.3, the present invention provides a kind of technical solution:
A kind of shielding construction of environment-protecting cabinet contact, including:Circuit breaker/load switch Contact Cover, isolating/grounding switch Contact Cover,
Main transmission axis hole, arc-extinguish chamber;The circuit breaker/load switch Contact Cover is arranged with isolating/grounding switch Contact Cover in arc-extinguish chamber
Upper and lower ends are connected using fixed form;It is provided with main transmission axis hole on the main circuit breaker/load switch contact cover.
Specifically, the overall appearance of the circuit breaker/load switch Contact Cover and isolating/grounding switch Contact Cover is in circular arc
Shape.
Specifically, the arc-extinguish chamber uses macromolecule environmental protection recyclable material, and excellent insulation performance.
Specifically, to be all made of density low, again for the circuit breaker/load switch Contact Cover and isolating/grounding switch Contact Cover
The high duty alloy cast for measuring light, electric conductivity and excellent heat conductivity forms.
Specifically, the surfaces externally and internally of the circuit breaker/load switch Contact Cover and isolating/grounding switch Contact Cover is coated with
A kind of black radiating insulating coating.
Specifically, the top of the circuit breaker/load switch Contact Cover is provided through main transmission axis hole with side.
The operation principle of the present invention:When using the device, circuit breaker/load switch Contact Cover is fixed on arc-extinguish chamber
End, main transmission axis hole inside at this time install high-precision bearing, isolating/grounding switch Contact Cover are installed to arc-extinguish chamber lower end,
Main shaft passes through three-phase main transmission axis hole, due to being equipped with high-precision bearing inside main transmission axis hole, so operation is can be with
Ensure the synchronization of three same operations of switch, circuit breaker/load switch Contact Cover is all made of close with isolating/grounding switch Contact Cover
The high duty alloy cast for spending low, light-weight, electric conductivity and excellent heat conductivity forms, and has a heat sinking function, and breaker/negative
Lotus switch contact cover and the inner wall outer wall of isolating/grounding switch Contact Cover are circular-arc-shaped design, arc-shaped structure radius of curvature
Greatly so that field distribution is more uniformly distributed, the phenomenon that reducing electric field strength, solve shelf depreciation;Circuit breaker/load switch contact
Cover and the surfaces externally and internally of isolating/grounding switch Contact Cover are coated with a kind of black heat radiation coating, play the role of radiation cooling, have
Effect reduces the Wen Sheng of contact, while having good insulating properties, reduces alternate and distance to the ground, keeps switchgear more small-sized
Change.
In summary:The present invention a kind of environment-protecting cabinet contact shielding construction, by circuit breaker/load switch Contact Cover with
The inner wall outer wall of isolating/grounding switch Contact Cover is the setting of circular-arc-shaped design, and arc-shaped structure radius of curvature is big so that electricity
Field distribution is more uniformly distributed, and reduces electric field strength, reduces alternate and distance to the ground, solves the shelf depreciation not enough occurred by distance
The phenomenon that occur, so that switchgear is minimized;The interior appearance of circuit breaker/load switch Contact Cover and isolating/grounding switch Contact Cover
Face is coated with a kind of setting of black radiating and cooling coating, plays the role of radiation cooling, effectively reduces the Wen Sheng of contact, together
When have good insulating properties.Circuit breaker/load switch Contact Cover is cast with isolating/grounding switch Contact Cover by alloy material
Made of be arranged, make Contact Cover have excellent electric conductivity and thermal conductivity;It is set in main transmission axis hole
It is equipped with sealing bearing, and main shaft is provided in the sealing bearing, is between the bearing and the main shaft
The setting of precision-fit ensures that threephase switch operation synchronizes;The logical analysis to electromagnetic field principle of the present invention, develop it is a set of can be equal
Even field distribution, the Contact Cover for reducing electric field strength, having heat sinking function and having good insulating properties, can effectively solve because
Space limitation causes electrical distance insufficient, to the problem of effective solution existing apparatus and deficiency.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of shielding construction of environment-protecting cabinet contact, including:Circuit breaker/load switch Contact Cover(1), main transmission axis hole(2), go out
Arc cover(3), isolating/grounding switch Contact Cover(4);It is characterized in that:The circuit breaker/load switch Contact Cover(1)Be isolated/
Earthing switch Contact Cover(4)It is arranged in arc-extinguish chamber(3)Upper and lower ends are connected using fixed form;Main circuit breaker/the load
Switch contact cover(1)On be provided with main transmission axis hole(2).
2. a kind of shielding construction of environment-protecting cabinet contact according to claim 1, it is characterised in that:Breaker/the load
Switch contact cover(1)With isolating/grounding switch Contact Cover(4)Overall appearance be in arc-shaped.
3. a kind of shielding construction of environment-protecting cabinet contact according to claim 1, it is characterised in that:The arc-extinguish chamber(3)It adopts
With macromolecule environmental protection recyclable material, and excellent insulation performance.
4. a kind of shielding construction of environment-protecting cabinet contact according to claim 1, it is characterised in that:Breaker/the load
Switch contact cover(1)With isolating/grounding switch Contact Cover(4)It is all made of low density, light-weight, electric conductivity and excellent heat conductivity
High duty alloy cast forms.
5. a kind of shielding construction of environment-protecting cabinet contact according to claim 1, it is characterised in that:Breaker/the load
Switch contact cover(1)With isolating/grounding switch Contact Cover(4)Surfaces externally and internally be coated with a kind of black radiating insulating coating.
6. according to a kind of shielding construction of environment-protecting cabinet contact described in claim 1, it is characterised in that:Breaker/the load is opened
Close Contact Cover(1)Top and side be provided through main transmission axis hole.
7. a kind of operation principle of the shielding construction of the contact of environment-protecting cabinet according to claim 1:Circuit breaker/load switch is touched
Head-shield(1)It is fixed on arc-extinguish chamber(3)Upper end, main transmission axis hole at this time(2)Inside installation high-precision bearing, by isolation/ground connection
Switch contact cover(4)It is installed to arc-extinguish chamber(3)Lower end, main shaft pass through three-phase main transmission axis hole(2), due to main transmission axis hole
(2)Inside is equipped with high-precision bearing, so operation is the synchronization for three same operations that can ensure switch, breaker/load
Switch contact cover(1)With isolating/grounding switch Contact Cover(4)It is all made of low density, light-weight, electric conductivity and excellent heat conductivity
High duty alloy cast forms, and has heat sinking function, and circuit breaker/load switch Contact Cover(1)It is touched with isolating/grounding switch
Head-shield(4)Inner wall outer wall be circular-arc-shaped design, arc-shaped structure radius of curvature is big so that field distribution is more uniformly distributed, drop
Low electric field strength, the phenomenon that solving shelf depreciation;Circuit breaker/load switch Contact Cover(1)With isolating/grounding switch Contact Cover
(4)Surfaces externally and internally be coated with a kind of black heat radiation coating, play the role of radiation cooling, effectively reduce the Wen Sheng of contact,
There is good insulating properties simultaneously, reduce alternate and distance to the ground, switchgear is made more to minimize.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810127462.8A CN108335926A (en) | 2018-02-08 | 2018-02-08 | A kind of shielding construction of environment-protecting cabinet contact |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810127462.8A CN108335926A (en) | 2018-02-08 | 2018-02-08 | A kind of shielding construction of environment-protecting cabinet contact |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108335926A true CN108335926A (en) | 2018-07-27 |
Family
ID=62927303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810127462.8A Pending CN108335926A (en) | 2018-02-08 | 2018-02-08 | A kind of shielding construction of environment-protecting cabinet contact |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108335926A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110942945A (en) * | 2019-11-06 | 2020-03-31 | 南瑞智能配电技术有限公司 | Load switch provided with high-standard grounding closing capacity isolator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2293140Y (en) * | 1996-12-17 | 1998-09-30 | 杨顺杰 | Indoor box type transformer substation |
CN201207353Y (en) * | 2008-05-16 | 2009-03-11 | 北京合纵科技股份有限公司 | Loading switch extinguishing chamber for inflating cabinet and common-box SF6 looped network cabinet |
CN103646820A (en) * | 2013-12-13 | 2014-03-19 | 上海灏赛电器有限公司 | High-voltage directly-operated air-compressing type SF6 load switch device |
CN204243599U (en) * | 2014-11-27 | 2015-04-01 | 无锡飞世龙机电有限公司 | A kind of two-way automatic switching looped network equipment |
-
2018
- 2018-02-08 CN CN201810127462.8A patent/CN108335926A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2293140Y (en) * | 1996-12-17 | 1998-09-30 | 杨顺杰 | Indoor box type transformer substation |
CN201207353Y (en) * | 2008-05-16 | 2009-03-11 | 北京合纵科技股份有限公司 | Loading switch extinguishing chamber for inflating cabinet and common-box SF6 looped network cabinet |
CN103646820A (en) * | 2013-12-13 | 2014-03-19 | 上海灏赛电器有限公司 | High-voltage directly-operated air-compressing type SF6 load switch device |
CN204243599U (en) * | 2014-11-27 | 2015-04-01 | 无锡飞世龙机电有限公司 | A kind of two-way automatic switching looped network equipment |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110942945A (en) * | 2019-11-06 | 2020-03-31 | 南瑞智能配电技术有限公司 | Load switch provided with high-standard grounding closing capacity isolator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Liu et al. | Research on key technologies in±1100 kV ultra‐high voltage DC transmission | |
CN202564840U (en) | High voltage metal armored moving type switch cabinet suitable for plateau environment | |
CN108335926A (en) | A kind of shielding construction of environment-protecting cabinet contact | |
CN205753147U (en) | A kind of 12kV current-carrying 1250A solid insulation switch cabinet | |
CN204349317U (en) | A kind of withdraw-type AC metal closed switch cabinet | |
CN201945604U (en) | Insulating hood for cable alternating current and withstand voltage test | |
CN203243009U (en) | Improved outdoor AC falling type lightning arrester | |
CN201629495U (en) | Wall-through shielded bushing of high-voltage switchgear cabinet | |
CN213093113U (en) | Maintenance-free outdoor high-voltage isolating switch | |
CN107622906A (en) | A kind of Minitype vacuum circuit-breaker | |
CN204179529U (en) | A kind of intelligent medium landscape type ring main unit | |
CN207800465U (en) | A kind of multifunction insulating touch base | |
CN205583411U (en) | High voltage vacuum switchgear | |
CN101924336A (en) | Capacitor type insulating three-phase non-segregated bus | |
CN209729745U (en) | A kind of shielding construction of isolation knife or earthing | |
CN204066855U (en) | The special tensile cable of variable-frequency motor | |
CN201774168U (en) | 20kV switchgear dedicated contact box mounting plate | |
CN204927169U (en) | Utmost point post is sealed admittedly to parallel support formula | |
CN207638233U (en) | A kind of solid insulation formula high-tension switch cabinet | |
CN217607330U (en) | Main module for solid ring main unit | |
CN203289033U (en) | Bus through-wall structure | |
CN220122619U (en) | All-insulation cabinet type reactive power compensation device | |
CN221125595U (en) | Medium-voltage fire-resistant power cable | |
CN219163172U (en) | Insulation isolation structure and high-voltage transformer | |
CN205016310U (en) | A insulator for overhead transmission line |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180727 |
|
RJ01 | Rejection of invention patent application after publication |