CN108288561A - A kind of multifunction insulating touch base - Google Patents
A kind of multifunction insulating touch base Download PDFInfo
- Publication number
- CN108288561A CN108288561A CN201810072932.5A CN201810072932A CN108288561A CN 108288561 A CN108288561 A CN 108288561A CN 201810072932 A CN201810072932 A CN 201810072932A CN 108288561 A CN108288561 A CN 108288561A
- Authority
- CN
- China
- Prior art keywords
- insulator
- touch base
- grading shield
- conduct piece
- threaded insert
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
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- Insulating Bodies (AREA)
Abstract
A kind of multifunction insulating touch base, including insulator, welding is cast with grading shield in insulator, grading shield is used to concentrate the power line of electric field, grading shield to be welded in one with threaded insert, in insulator, tapped blind hole is equipped in threaded insert, one end of insulator is connected by screw in conduct piece, and screw is bolted in tapped blind hole, and selectable conduct piece is isolation static contact or isolation touch base or grounding contact.The present invention welds cast grading shield in insulator, the power line of electric field can be concentrated, it is substantially reduced the size of product, conduct piece of different shapes is installed on the insulator, it can be used for disconnecting switch in environmentally friendly gas insulation switch cabinet and earthing switch, meet its insulation performance and electric conductivity, play the structure of multiple functions, form multiple functions module, the standardization level of product component is set to greatly improve, there are very strong versatility, and moderate cost, solves the problems, such as cost when product largely uses and production efficiency.
Description
Technical field
The present invention relates to electric system equipment for power transmission and distribution technical fields, more particularly to a kind of multifunction insulating touch base.
Background technology
Due to the fast development of urbanization process in recent years, urban modernization, the degree of technicalization are higher and higher, power grid
Construction is also simultaneously and rapidly developing, and requirement of the power grid to power supplying and distributing equipment is also just higher and higher.China's high-tension switch gear product
By nearly development in 20 years and lasting research and development, quality, the performance of various power supply and distribution products are also greatly improved.With
Power supplying and distributing equipment market come into the open and transparence, market competition is also more and more fierce, constantly improve in addition to requiring manufacturing firm
Outside product quality and performances, the research and development ability of new product is also continuously improved, enterprise and product are improved with New Products ＆ New Technology
The market competitiveness.
China's power supply and distribution product experienced the development of oil-insulation, air insulation, gas-insulated, four big structure of solid insulation,
Product is also all continuously improved in performance.Product in terms of present circumstances, product it is with the most use be SF6 gas-insulateds product and it is solid
The big series of body insulating products two, both small, insulation and the superior product of arc extinction performance.However, all being striven with day now
Environmental protection cry, expedite the emergence of environmentally protective solution.
SF6 gases in SF6 gas-insulated products are nondegradable greenhouse gases,《Capital of a country memorandum of agreement》In, SF6 gas
One of the greenhouse gases that body is limited by, at present both at home and abroad all in the application for reducing SF6 gases to the greatest extent.Solid insulation product phase
For SF6 products, volume is suitable, does not apply SF6 gases, there is larger advantage in terms of environmental protection.But because product
70% ingredient is all epoxy resin, and after product service life, epoxy resin can not recycle, and can only be used as building and fill out
Material, and it needs to expend a large amount of electric energy when processing solid pole column, belongs to high energy consumption production type, and domestic solid now
Insulation also has painting broad grounding technology problem in pole surface to fail to be fully solved, so solid insulation product is also possible to gradually decrease
It uses.
Therefore, it is necessary to research and develop a kind of product, the insulation performance of SF6 ring main units and solid insulation ring main unit can be reached,
Small requirement can be reached.The development trend of technical research and market in recent years, with by filtering and dry air
Or nitrogen, itself and switch element are sealed in babinet, will not be affected by the external environment, insulation performance is sufficiently stable.But it is dry
The insulating capacity of dry air or nitrogen only has the one third of SF6 gases, if cannot accomplish product size and SF6 ring main units
With solid insulation ring main unit if, technology and the market advantage will be unable to meet requirement.Therefore, it is necessary to environmentally friendly gas
The insulating part of body insulating products, conduct piece are designed to that size is small, construction standard, and function is general.
Invention content
In view of the problems of the existing technology, present invention offer one kind is simple in structure, standard, size is small, function is more, cost
It is moderate, can be used for disconnecting switch in environmentally friendly gas insulation switch cabinet and earthing switch, meet its insulation performance and electric conductivity
The multifunction insulating touch base of energy.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of multifunction insulating touch base, including insulator, the interior welding of the insulator are cast with grading shield, the grading shield
Power line for concentrating electric field, the grading shield are welded in one with threaded insert, in the insulator, the screw thread
Tapped blind hole is equipped in inserts, one end of the insulator is connected by screw in conduct piece, and the screw is bolted in the spiral shell
Line blind hole, the selectable conduct piece is isolation static contact or isolation touch base or grounding contact.
Further, metal gasket is equipped between the conduct piece and the insulator, the screw passes through the metal gasket
Piece is installed on the threaded insert.
Further, the size of the metal gasket is less than the size of the conduct piece mounting surface, to shrink power line.
Further, the periphery of the insulator is equipped with the full skirt of multiple outside projections, to increase the insulator surface
Creepage distance.
Further, the grading shield is circle, and annulus is formed on bottom, and the full-size of the conduct piece is no more than described
The outer diameter of the bottom annulus of grading shield.
Further, the isolator material is epoxy resin, and the grading shield and the threaded insert are by metal material system
At.
Further, the edge of the grading shield is lower 2mm than the edge of the insulator, by the electric power in the grading shield
Line is enclosed in the insulator.
Further, the other end of the insulator far from the conduct piece also is provided with the grading shield and the screw thread is embedding
Part is installed on fixed plate by screw, and the screw is bolted in across the fixed plate in the threaded insert.
Further, isolation knife is installed on the isolation touch base.
Beneficial effects of the present invention：
The present invention welds cast grading shield in insulator, can concentrate the power line of electric field, handle electric field, greatly
The big size for reducing product, makes product size be achieved in terms of miniaturization, and can be effectively the power line in grading shield
It is enclosed in insulator, conduct piece of different shapes is installed on the insulator, it can be for being isolated in environmentally friendly gas insulation switch cabinet
Switch is used with earthing switch, meets its insulation performance and electric conductivity, plays the structure of multiple functions, forms multiple functions mould
Block makes the standardization level of product component greatly improve, and is standardized to the dynamic and static touch base of disconnecting switch and earthing switch,
There are very strong versatility, and moderate cost, solves the problems, such as cost when product largely uses and production efficiency.
Description of the drawings
Fig. 1 is the sectional view of insulator in multifunction insulating touch base of the present invention；
Fig. 2 is the structural schematic diagram of first embodiment of the invention multifunction insulating touch base connection isolation static contact；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is the structural schematic diagram of second embodiment of the invention multifunction insulating touch base connection isolation touch base；
Fig. 5 is the structural schematic diagram that third embodiment of the invention multifunction insulating touch base connects grounding contact；
In figure, 1-insulator, 2-grading shields, 3-threaded inserts, 4-tapped blind holes, 5-full skirts, 6-metal gaskets,
7-screws, 8-fixed plates, 9-isolation static contacts, 10-isolation touch bases, 11-isolation knifes, 12-grounding contacts.
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 embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
Such as Fig. 1 and Fig. 2, the present invention provides a kind of multifunction insulating touch base, including insulator 1, cast is welded in insulator 1
There are grading shield 2, grading shield 2 to be used to concentrate the power line of electric field, grading shield 2 to be welded in one with threaded insert 3, be embedded in insulator
In 1, tapped blind hole 4 is equipped in threaded insert 3, one end of insulator 1 is connected to conduct piece by screw 7, and screw 7 is bolted in spiral shell
Line blind hole 4, selectable conduct piece is isolation static contact 9 or isolation touch base 10 or grounding contact 12.
In the present embodiment, grading shield 2 is circle, and annulus, the power line for concentrating electric field, grading shield are formed on bottom
2 weld together with the threaded insert 3 of two M8, and threaded insert 3 does not allow bottom to punch, and otherwise electric field structure will change
Become, do not have the effect of pressure and concentration electric field, therefore is threaded blind hole 4 in threaded insert 3.1 material of insulator is epoxy
Resin, grading shield 2 and threaded insert 3 are made of metal material, therefore electric field can be put together by grading shield 2, closing
In insulator 1.
The welding of grading shield 2 is cast in insulator 1, and in the present embodiment, the both ends of insulator 1 are equipped with 2 He of grading shield
Threaded insert 3, wherein the edge of grading shield 2 is lower 2mm than the edge of insulator 1, when conduct piece is mounted on threaded insert 3,
Effectively the power line in grading shield 2 can be enclosed in insulator 1.When grading shield 2 charges, the annulus of bottom end plays uniformly electricity
Field action needs first to puncture the insulator 1 of encapsulation grading shield 2, but puncture epoxy if electric field will be punctured over the ground
The difficulty of the insulator 1 of resin material is very big, and therefore, this structure keeps the insulation between entire high-pressure side and ground terminal strong
Degree is greatly enhanced, and insulation distance can also be reduced to 80mm by the 125mm of general case, creepage distance also by
175mm drops to 115mm, has to the size of product and is greatly reduced, and the structure of product becomes very simple, and material cost is also corresponding
It reduces.
The periphery of insulator 1 is equipped with the full skirt 5 of multiple outside projections, in the present embodiment, two umbrellas is designed on insulator 1
Skirt 5, the appropriate creepage distance for increasing by 1 surface of insulator, makes the surface insulation intensity of insulator 1 also accordingly increase.
If one end of Fig. 2 to Fig. 5, insulator 1 are connected to conduct piece by screw 7, the other end is installed on solid by screw 7
Fixed board 8.It is mounted on insulator 1 with conduct piece of different shapes, plays the structure of multiple functions, conduct piece 1 and disconnecting switch
Or after other components connection of earthing switch, corresponding function module is formed, the standardization level of product component is made to greatly improve.
There is no limit for the structure of conduct piece, but the full-size of conduct piece is no more than the outer diameter of the bottom annulus of grading shield 2.
Preferably, it is equipped with metal gasket 6 between conduct piece and insulator 1 and carries out transition, screw 7 passes through metal gasket 6
It is installed on threaded insert 3, the size of metal gasket 6 is less than the size of conduct piece mounting surface, plays the role of shrinking power line,
The voltage equalizing of grading shield 2 is set to reach maximum.
Such as Fig. 2 and Fig. 3, in the first embodiment, conduct piece is isolation static contact 9, and 1 one end of insulator passes through screw 7
It is bolted in threaded insert 3 after isolation static contact 9 and metal gasket 6, the other end is spirally connected by screw 7 across fixed plate 8
In in threaded insert 3, above structure forms the insulation contact seat with isolation stationary contact camera function.
Such as Fig. 4, in a second embodiment, conduct piece is isolation touch base 10, and one end of insulator 1 is equipped with isolation touch base
10, the other end is installed on fixed plate 8, and mounting means is identical with the first embodiment, and is isolated on touch base 10 according to actual use need
That to be matched is equipped with isolation knife 11, and above structure forms the insulation contact seat with isolation moving contact function.
Such as Fig. 5, in the third embodiment, conduct piece is grounding contact 12, and one end of insulator 1 is equipped with grounding contact
12, the other end is installed on fixed plate 8, and mounting means is identical with the first embodiment, and above structure is formd with grounding contact
The insulation contact seat of function.
Present invention welding cast grading shield 2 in insulator 1, can concentrate the power line of electric field, handle electric field,
It is substantially reduced the size of product, product size is made to be achieved in terms of miniaturization.Different conductions is installed on insulator 1
Part can use for disconnecting switch in environmentally friendly gas insulation switch cabinet and earthing switch, meet its insulation performance and electric conductivity,
The structure of multiple functions is played, multiple functions module is formed, so that the standardization level of product component is greatly improved, to disconnecting switch
It is standardized with the dynamic and static touch base of earthing switch, has very strong versatility, and moderate cost, solving product largely makes
The problem of cost and production efficiency of used time.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be appreciated by those skilled in the art that can technical scheme of the present invention be modified or be waited
With replacing, without departing from the objective and range of the technical program, should all cover in scope of the presently claimed invention.
Claims (9)
1. a kind of multifunction insulating touch base, which is characterized in that including：Insulator, the interior welding of the insulator are cast with grading shield,
The grading shield is used to concentrate the power line of electric field, the grading shield to be welded in one with threaded insert, is embedded in the insulator
It is interior, tapped blind hole is equipped in the threaded insert, one end of the insulator is connected by screw in conduct piece, the screw spiral shell
It is connected to the tapped blind hole, the selectable conduct piece is isolation static contact or isolation touch base or grounding contact.
2. multifunction insulating touch base according to claim 1, it is characterised in that：Between the conduct piece and the insulator
Equipped with metal gasket, the screw is installed on the threaded insert across the metal gasket.
3. multifunction insulating touch base according to claim 2, it is characterised in that：The size of the metal gasket is less than described
The size of conduct piece mounting surface, to shrink power line.
4. multifunction insulating touch base according to claim 1, it is characterised in that：The periphery of the insulator be equipped with it is multiple to
The full skirt of outer projection, to increase the creepage distance of the insulator surface.
5. multifunction insulating touch base according to claim 1, it is characterised in that：The grading shield is circle, bottom shape
At annulus, the full-size of the conduct piece is no more than the outer diameter of the bottom annulus of the grading shield.
6. multifunction insulating touch base according to claim 1, it is characterised in that：The isolator material is epoxy resin,
The grading shield and the threaded insert are made of metal material.
7. multifunction insulating touch base according to claim 1, it is characterised in that：The edge of the grading shield is than the insulation
The low 2mm in edge of son, the power line in the grading shield is enclosed in the insulator.
8. multifunction insulating touch base according to claim 1, it is characterised in that：The insulator is far from the conduct piece
The other end also is provided with the grading shield and the threaded insert, is installed on fixed plate by screw, the screw passes through described solid
Fixed board is bolted in the threaded insert.
9. multifunction insulating touch base according to claim 1, it is characterised in that：Isolation is installed on the isolation touch base
Knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072932.5A CN108288561A (en) | 2018-01-25 | 2018-01-25 | A kind of multifunction insulating touch base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072932.5A CN108288561A (en) | 2018-01-25 | 2018-01-25 | A kind of multifunction insulating touch base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108288561A true CN108288561A (en) | 2018-07-17 |
Family
ID=62835708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810072932.5A Pending CN108288561A (en) | 2018-01-25 | 2018-01-25 | A kind of multifunction insulating touch base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108288561A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020051336A1 (en) * | 2000-10-26 | 2002-05-02 | Mitsubishi Denki Kabushiki Kaisha | Gas-insulated switchgear |
| US20050231210A1 (en) * | 2004-04-07 | 2005-10-20 | Georgia Tech Research Corporation | Apparatus and method for field testing polymer insulators |
| CN201975176U (en) * | 2010-12-24 | 2011-09-14 | 向荣集团有限公司 | Disc type shield insulator |
| CN202363343U (en) * | 2011-11-27 | 2012-08-01 | 天水长城开关厂有限公司 | Main-loop insulation part of three-position disconnecting switch |
| CN105262022A (en) * | 2015-11-03 | 2016-01-20 | 平高集团有限公司 | Sleeve assembly and switch cabinet using the same |
| CN105529206A (en) * | 2015-12-30 | 2016-04-27 | 博纳方格（天津）电气设备有限公司 | Insulator support structure for three-station disconnecting and earthing switch |
| CN207800465U (en) * | 2018-01-25 | 2018-08-31 | 珠海康晋电气股份有限公司 | A kind of multifunction insulating touch base |
-
2018
- 2018-01-25 CN CN201810072932.5A patent/CN108288561A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020051336A1 (en) * | 2000-10-26 | 2002-05-02 | Mitsubishi Denki Kabushiki Kaisha | Gas-insulated switchgear |
| US20050231210A1 (en) * | 2004-04-07 | 2005-10-20 | Georgia Tech Research Corporation | Apparatus and method for field testing polymer insulators |
| CN201975176U (en) * | 2010-12-24 | 2011-09-14 | 向荣集团有限公司 | Disc type shield insulator |
| CN202363343U (en) * | 2011-11-27 | 2012-08-01 | 天水长城开关厂有限公司 | Main-loop insulation part of three-position disconnecting switch |
| CN105262022A (en) * | 2015-11-03 | 2016-01-20 | 平高集团有限公司 | Sleeve assembly and switch cabinet using the same |
| CN105529206A (en) * | 2015-12-30 | 2016-04-27 | 博纳方格（天津）电气设备有限公司 | Insulator support structure for three-station disconnecting and earthing switch |
| CN207800465U (en) * | 2018-01-25 | 2018-08-31 | 珠海康晋电气股份有限公司 | A kind of multifunction insulating touch base |
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