CN107359076A - A kind of switching device main loop unit of composite isolated structure - Google Patents
A kind of switching device main loop unit of composite isolated structure Download PDFInfo
- Publication number
- CN107359076A CN107359076A CN201710499785.5A CN201710499785A CN107359076A CN 107359076 A CN107359076 A CN 107359076A CN 201710499785 A CN201710499785 A CN 201710499785A CN 107359076 A CN107359076 A CN 107359076A
- Authority
- CN
- China
- Prior art keywords
- contact arm
- fusion tube
- arm component
- tube cylinder
- switching device
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
-
- 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
- H01H9/52—Cooling of switch parts
-
- 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
- H01H9/52—Cooling of switch parts
- H01H2009/526—Cooling of switch parts of the high voltage switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
- H01H2033/6613—Cooling arrangements directly associated with the terminal arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to a kind of switching device main loop unit of composite isolated structure, including three-phase major loop, major loop includes upper contact arm component, lower contact arm component, the arc-chutes being connected electrically between contact arm component, lower contact arm component respectively, fusion tube cylinder is set between described upper contact arm component, lower contact arm component, the upper contact arm component of fusion tube cylinder upper end connection, the lower contact arm component of fusion tube cylinder lower end connection, the cylinder of fusion tube cylinder penetrate setting from top to bottom.The present invention realizes excellent heat dispersion and insulating properties by the design to whole main loop unit.
Description
Technical field
The present invention relates to a kind of high voltage connector switching device, more particularly to the main loop unit of switching device.
Background technology
At present, high-pressure vacuum contactor generally employs two schemes in the insulating Design of major loop using upper：One kind is
By the way of the compound inslation of insulating barrier structure, vacuum extinction chamber component, electric-conductor etc. are all separated using dividing plate
Assembly method, to meet insulating requirements alternate and over the ground；A kind of is by the way of the insulation of full sealing, and whole loop is led
The mode that the electric complete sealing of part is got up, to meet insulating requirements alternate and over the ground.
On the whole, domestic electrical in the market at present, existed using the high-pressure vacuum contactor of dividing plate compound inslation mode
Problems with：1st, in switchgear energization running, due to dividing plate can not be fully effective cut-off electrical body, dividing plate with every
The air gap between plate be present, cause vacuum extinction chamber component moved end closer as high-pressure side distance to the ground, be easy to breakdown pair
, the weak risk of insulation be present in the framework backboard electric discharge of product；2nd, the product of dividing plate compound inslation is affected by environment big, such as dirty
Dirty, condensation etc., and the performance of the serious limit product of the factor such as the service life of material in itself.
Problems be present in the high-pressure vacuum contactor major loop to be insulated using full sealing：It is powered and runs in switchgear
During, due to the limitation of full sealing insulation system, galvanic circle
Caused amount of heat is difficult effectively to distribute, and the current capacity of product can not improve.
Use dividing plate mode or full sealing insulation mode, be not insulation can not comply fully with requirement be exactly heat dispersion not
It is good.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the present invention, which provides one kind, has superior heat radiation performance and insulation effect
The switching device main loop unit using composite isolated structure of fruit.
The present invention solve its technical problem technical scheme be：
A kind of switching device main loop unit of composite isolated structure, including three-phase major loop, major loop include respectively
Upper contact arm component, lower contact arm component, the arc-chutes being connected electrically between contact arm component, lower contact arm component, described upper contact arm
Fusion tube cylinder, the upper contact arm component of fusion tube cylinder upper end connection, fusion tube cylinder lower end connection lower contact arm group are set between component, lower contact arm component
Part, the cylinder of fusion tube cylinder penetrate setting from top to bottom.
Preferably, lower contact arm component sealing is connected with pole, described arc-chutes are arranged on described sealing pole
In post, the static side of lower contact arm component electrical connection arc-chutes.
Preferably, fusion tube cylinder lower end is fixedly connected on pole, dynamic connection component is provided with fusion tube cylinder, the company of moving
The lower end of connected components wears described pole and connects the moved end of arc-chutes；Described fusion tube cylinder upper end is arranged to tubular
The upper contact arm for being socketed in described upper contact arm component is put, and fusion tube cylinder upper end is provided with contact rod, and the upper end of dynamic connection component leads to
Cross the upper contact arm component of contact rod electrical connection.
Preferably, arc-chutes are cast in pole, the upper surface of pole is provided with for connecting fusion tube cylinder
The faying surface of lower end, sealing ring is set on described faying surface.
Preferably, setting groove on faying surface, described sealing ring is arranged in groove, and described bottom portion of groove opens up
There is perforate, the lower end of described dynamic connection component wears described perforation and connects the moved end of arc-chutes.
Preferably, the fusion tube cylinder upper end is provided with stopper slot, button contact base is provided with stopper slot, contact rod is by touching
Refer to the dynamic connection component of seat connection.
Preferably, the rear end of fusion tube cylinder upper end has been wholely set trip gear housing.
Preferably, the fusion tube cylinder upper end offers heat emission hole.
Preferably, described fusion tube cylinder upper and lower ends are into horn-like.
Preferably, three-phase major loop is independently set.
Main loop unit, includes the major loop of three-phase, major loop mainly include upper contact arm component, contact rod, button contact base,
Dynamic connection component, arc-chutes, lower contact arm component.Fusion tube cylinder, lower contact arm group are set between upper contact arm component and lower contact arm component
Part sealing connects pole, and arc-chutes are cast in pole, and fusion tube cylinder lower end is sealedly and fixedly connected pole, fusion tube
Dynamic connection component in cylinder wears the perforate of pole upper end and connects the moved end of arc-chutes, under the static side connection of arc-chutes
Contact arm component.Fusion tube cylinder upper end is arranged to tubular screw thread and is socketed in the upper contact arm of contact arm component to put, and inside sets contact rod, conductive
The upper contact arm component of one end connection of rod, the other end connect dynamic connection component by button contact base.Fusion tube cylinder is that have height using a kind of
The material machine-shaping of intensity and high insulating property, middle insertion from top to bottom is set, and its upper end opens up heat emission hole.
Whole loop structure carries out sealing by pole, fusion tube cylinder, and compared to dividing plate mode, insulating capacity strengthens, and
No less than full pole mode.
Heat dissipation channel：In the galvanization of main loop unit, heat caused by main loop unit is on the one hand by molten
Socket and pole conduct to the external world in itself, and on the other hand by the cavity inside fusion tube cylinder, the heat of movable end of arc extinguishing chamber can
Effectively to penetrate outflow from bottom to top by fusion tube cylinder, fusion tube cylinder upper end opens up heat emission hole, from heat emission hole quick heat radiating.Fusion tube
Stack effect caused by the difference in height that cylinder lower end is formed with upper end, heat is transferred out so as to be effectively facilitated main loop unit
The convection effects of amount.Compared to full sealing form, radiating effect greatly improves.
Discharge channel：In traditional switching device main loop unit, the high-tension electricity of movable end of arc extinguishing chamber passes through the air gap
Electricity directly is climbed to transmission parts, the present invention sets sealing ring on the faying surface of fusion tube cylinder and pole, can effectively separated
The air gap of electricity is climbed, the generation of breakdown channel is prevented, adds insulating capacity.
In addition, in the prior art, the trip gear of excessively stream fusing, assembly type is traditionally arranged to be, after so assembling, can be deposited
In unavoidable the air gap, high-tension electricity can be discharged switch framework backboard by the air gap.The application will thread off and fill
Put and be wholely set with fusion tube cylinder, breakdown channel is separated, enhance insulating capacity.
The major loop of the present invention can form a phase major loop of switching device, that is, be arranged to a free-standing phase, then three-phase returns
When road is set, modular product assembled scheme can be formed according to different alternate away from being placed in parallel on product framework.Compare
In in the prior art, three-phase spacing is fixed, and can save product can not adjust phase spacing, be inconvenient to change major loop part
Present situation.
The present invention realizes that heat penetrates radiating, excellent radiation performance from bottom to top, and insulate by the setting of fusion tube cylinder
Effect is good.
The beneficial effects of the present invention are：The present invention realizes excellent dissipate by the design to whole main loop unit
Hot property and insulating properties.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 cross section structure diagram.
Fig. 3 is Fig. 1 part configuration schematic diagram.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, 2, 3, a kind of switching device main loop unit of composite isolated structure, including three-phase master return
Road, each phase major loop are independently set, and major loop includes upper contact arm component 2, lower contact arm component 4, is connected electrically in respectively
Arc-chutes between contact arm component, lower contact arm component, set fusion tube cylinder 1 between upper contact arm component, lower contact arm component, on fusion tube cylinder
The upper contact arm component of end connection, the lower contact arm component of fusion tube cylinder lower end connection, the cylinder of fusion tube cylinder penetrate setting from top to bottom.It is whole molten
It is wide into horn-like cylinder that socket is arranged to middle narrow both ends, and fusion tube cylinder upper end offers heat emission hole.
Upper contact arm component 2 includes upper contact arm set 6, and fusion tube cylinder upper end 10 is arranged to tubular and is socketed in the upper tactile of contact arm component
Arm is put, and contact rod 5 is provided with fusion tube cylinder upper end 10, and dynamic connection component 7, the one end of contact rod 5 electricity are set in fusion tube cylinder cylinder
Contact arm component 2 in connection, the other end connect dynamic connection component 7 by button contact base 12.
The lower sealing of contact arm component 4 is connected with pole 3, and arc-chutes 16 are cast in pole 3, lower contact arm component electricity
Connect the static side of arc-chutes 16, the dynamic connection component 7 of moved end electrical connection of arc-chutes.Fusion tube cylinder lower end 11 is sealedly and fixedly connected solid
On sealed pole, the upper surface of pole is provided with the faying surface 13 for connecting fusion tube cylinder lower end, and groove is set on faying surface
8, groove 8 is interior to set sealing ring 9.The bottom of groove 8 offers perforate, and the lower end of dynamic connection component 7, which wears perforate and connected, goes out
The moved end of arc chamber 16.
The rear end of fusion tube cylinder upper end is provided with stopper slot, and button contact base 12 is arranged in stopper slot, and contact rod passes through button contact base
The dynamic connection component of connection.
The trip gear of fusing disengagement is carried out when sometimes also excessively stream can be installed in some switching devices, in this application
The rear end of fusion tube cylinder upper end has been wholely set trip gear housing.
Main loop unit includes three-phase major loop, and each phase major loop mainly includes upper contact arm component 2, contact rod 5, fingertip
Seat 12, dynamic connection component 7, arc-chutes 16, lower contact arm component 4.Fusion tube cylinder is set between upper contact arm component and lower contact arm component
1, lower contact arm component sealing connects pole 3, and arc-chutes 16 are cast in pole, and fusion tube cylinder lower end is sealedly and fixedly connected
Pole, the dynamic connection component 7 in fusion tube cylinder wear the perforate of pole upper end and connect the moved end of arc-chutes, arc extinguishing
The lower contact arm component of static side connection of room.Fusion tube cylinder upper end is arranged to tubular screw thread and is socketed on the upper contact arm set 6 of contact arm component,
Contact rod, the upper contact arm component of one end connection of contact rod 5 are inside set, the other end connects dynamic connection component 7 by button contact base.Fusion tube cylinder
It is that middle insertion from top to bottom is set, and its upper end using a kind of material machine-shaping with high intensity and high insulating property
Open up heat emission hole.
Whole loop structure carries out sealing by pole 3, and carrying out not sealing by fusion tube cylinder 1 seals, compared to dividing plate side
Formula, insulating capacity enhancing, and it is no less than full pole mode.
Heat dissipation channel：In the galvanization of main loop unit, heat caused by main loop unit is on the one hand by molten
On the other hand socket 1 and pole 3 conduction itself pass through the cavity inside fusion tube cylinder, the heat of movable end of arc extinguishing chamber to the external world
Outflow effectively can be penetrated from bottom to top by fusion tube cylinder, fusion tube cylinder upper end opens up heat emission hole 5, from heat emission hole quick heat radiating.
Stack effect caused by the difference in height that fusion tube cylinder lower end is formed with upper end, so as to be effectively facilitated main loop unit conduction
Go out the convection effects of heat.Compared to full sealing form, radiating effect greatly improves.
Discharge channel：In traditional switching device main loop unit, the high-tension electricity of movable end of arc extinguishing chamber passes through the air gap
Electricity directly is climbed to transmission parts, the present invention sets sealing ring 9 on the faying surface of fusion tube cylinder and pole, can effectively separated
The air gap of electricity is climbed, the generation of breakdown channel is prevented, adds insulating capacity.
In addition, in the prior art, the trip gear of excessively stream fusing, assembly type is traditionally arranged to be, after so assembling, can be deposited
In unavoidable the air gap, high-tension electricity can be discharged switch framework backboard by the air gap.The application will thread off and fill
Put housing 12 and fusion tube cylinder is wholely set, breakdown channel is separated, enhances insulating capacity.
The major loop of the present invention can form a phase major loop of switching device, that is, be arranged to a free-standing phase, then three-phase returns
When road is set, modular product assembled scheme can be formed according to different alternate away from being placed in parallel on product framework.Compare
In in the prior art, three-phase spacing is fixed, and can save product can not adjust phase spacing, be inconvenient to change major loop part
Present situation.
The present invention realizes that heat penetrates radiating, excellent radiation performance from bottom to top, and insulate by the setting of fusion tube cylinder
Effect is good.
The present invention realizes excellent heat dispersion and insulating properties by the design to whole main loop unit.
Claims (10)
1. a kind of switching device main loop unit of composite isolated structure, including three-phase major loop, major loop wrap respectively
Include contact arm component, lower contact arm component, the arc-chutes being connected electrically between contact arm component, lower contact arm component, it is characterised in that：
Fusion tube cylinder, the upper contact arm component of fusion tube cylinder upper end connection, fusion tube cylinder lower end are set between described upper contact arm component, lower contact arm component
The lower contact arm component of connection, the cylinder of fusion tube cylinder penetrate setting from top to bottom.
2. a kind of switching device main loop unit of composite isolated structure according to claim 1, its feature exist
In：Described lower contact arm component sealing is connected with pole, and described arc-chutes are arranged in described pole, lower to touch
Arm component electrically connects the static side of arc-chutes.
3. a kind of switching device main loop unit of composite isolated structure according to claim 2, its feature exist
In：The fusion tube cylinder lower end is fixedly connected on pole, and dynamic connection component is provided with fusion tube cylinder, is moved under connection component
End wears described pole and connects the moved end of arc-chutes；Described fusion tube cylinder upper end be arranged to tubular be socketed in it is described
The upper contact arm of upper contact arm component put, fusion tube cylinder upper end is provided with contact rod, and the upper end for moving connection component passes through contact rod electricity
Contact arm component in connection.
4. a kind of switching device main loop unit of composite isolated structure according to claim 3, its feature exist
In：Described arc-chutes are cast in pole, and the upper surface of pole is provided with for connecting taking for fusion tube cylinder lower end
Junction, sealing ring is set on described faying surface.
5. a kind of switching device main loop unit of composite isolated structure according to claim 4, its feature exist
In：Groove is set on described faying surface, described sealing ring is arranged in groove, and described bottom portion of groove offers perforate,
The lower end of described dynamic connection component wears described perforation and connects the moved end of arc-chutes.
6. a kind of switching device main loop unit of composite isolated structure according to claim 5, its feature exist
In：The fusion tube cylinder upper end is provided with stopper slot, and button contact base is provided with stopper slot, and contact rod connects dynamic connection by button contact base
Component.
7. a kind of switching device main loop unit of composite isolated structure according to claim 6, its feature exist
In：The rear end of the fusion tube cylinder upper end has been wholely set trip gear housing.
8. a kind of switching device main loop unit of composite isolated structure according to claim any one of 1-7,
It is characterized in that：The fusion tube cylinder upper end offers heat emission hole.
9. a kind of switching device main loop unit of composite isolated structure according to claim 8, its feature exist
In：The fusion tube cylinder upper and lower ends are into horn-like.
10. a kind of switching device main loop unit of composite isolated structure according to claim any one of 1-7,
It is characterized in that：Described three-phase major loop is independently set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710499785.5A CN107359076A (en) | 2017-06-27 | 2017-06-27 | A kind of switching device main loop unit of composite isolated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710499785.5A CN107359076A (en) | 2017-06-27 | 2017-06-27 | A kind of switching device main loop unit of composite isolated structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107359076A true CN107359076A (en) | 2017-11-17 |
Family
ID=60272585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710499785.5A Pending CN107359076A (en) | 2017-06-27 | 2017-06-27 | A kind of switching device main loop unit of composite isolated structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107359076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489916A (en) * | 2020-04-13 | 2020-08-04 | 贝司特电气有限公司 | Solid-sealed pole structure of load switch-fuse combined electrical apparatus |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3280282A (en) * | 1965-04-02 | 1966-10-18 | Ite Circuit Breaker Ltd | Combination current limiting fuse and vacuum switch |
| CN2750535Y (en) * | 2004-10-19 | 2006-01-04 | 厦门兴厦控电气有限公司 | A vacuum contactor-fuse combined electric appliance |
| CN201163591Y (en) * | 2007-11-26 | 2008-12-10 | 安徽菲迈斯电气有限公司 | Moving-type high-pressure AC vacuum contactor, fusible cut-out composite set |
| CN201408701Y (en) * | 2009-05-13 | 2010-02-17 | 郭画 | Heat-dissipation device for heavy-current indoor high-voltage vacuum circuit breaker |
| CN202363348U (en) * | 2011-11-10 | 2012-08-01 | 王战华 | Mobile vacuum load switch and fuse composite appliance device |
| CN203787340U (en) * | 2014-03-06 | 2014-08-20 | Abb技术有限公司 | Sealing insulation conductive contact arm and breaker using same |
| CN204651283U (en) * | 2015-05-22 | 2015-09-16 | 武汉西高电器有限公司 | Modularized vacuum contact-fuse combined electric appliance |
| CN207353153U (en) * | 2017-06-27 | 2018-05-11 | 库柏(宁波)电气有限公司 | A kind of switching device main loop unit of composite isolated structure |
-
2017
- 2017-06-27 CN CN201710499785.5A patent/CN107359076A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3280282A (en) * | 1965-04-02 | 1966-10-18 | Ite Circuit Breaker Ltd | Combination current limiting fuse and vacuum switch |
| CN2750535Y (en) * | 2004-10-19 | 2006-01-04 | 厦门兴厦控电气有限公司 | A vacuum contactor-fuse combined electric appliance |
| CN201163591Y (en) * | 2007-11-26 | 2008-12-10 | 安徽菲迈斯电气有限公司 | Moving-type high-pressure AC vacuum contactor, fusible cut-out composite set |
| CN201408701Y (en) * | 2009-05-13 | 2010-02-17 | 郭画 | Heat-dissipation device for heavy-current indoor high-voltage vacuum circuit breaker |
| CN202363348U (en) * | 2011-11-10 | 2012-08-01 | 王战华 | Mobile vacuum load switch and fuse composite appliance device |
| CN203787340U (en) * | 2014-03-06 | 2014-08-20 | Abb技术有限公司 | Sealing insulation conductive contact arm and breaker using same |
| CN204651283U (en) * | 2015-05-22 | 2015-09-16 | 武汉西高电器有限公司 | Modularized vacuum contact-fuse combined electric appliance |
| CN207353153U (en) * | 2017-06-27 | 2018-05-11 | 库柏(宁波)电气有限公司 | A kind of switching device main loop unit of composite isolated structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489916A (en) * | 2020-04-13 | 2020-08-04 | 贝司特电气有限公司 | Solid-sealed pole structure of load switch-fuse combined electrical apparatus |
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