CN108335926A - A kind of shielding construction of environment-protecting cabinet contact - Google Patents

A kind of shielding construction of environment-protecting cabinet contact Download PDF

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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
Application number
CN201810127462.8A
Other languages
Chinese (zh)
Inventor
陈升庭
陈弼栋
马明霞
陈凯杰
张锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGDONG JINHUILONG SWITCH CO Ltd
Original Assignee
GUANGDONG JINHUILONG SWITCH CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GUANGDONG JINHUILONG SWITCH CO Ltd filed Critical GUANGDONG JINHUILONG SWITCH CO Ltd
Priority to CN201810127462.8A priority Critical patent/CN108335926A/en
Publication of CN108335926A publication Critical patent/CN108335926A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/64Protective enclosures, baffle plates, or screens for contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/62Heating or cooling of contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H2003/326Driving 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

A kind of shielding construction of environment-protecting cabinet contact
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.
CN201810127462.8A 2018-02-08 2018-02-08 A kind of shielding construction of environment-protecting cabinet contact Pending CN108335926A (en)

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

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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

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Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20180727

RJ01 Rejection of invention patent application after publication