CN104104027B - Solid insulation switch - Google Patents
Solid insulation switch Download PDFInfo
- Publication number
- CN104104027B CN104104027B CN201410329229.XA CN201410329229A CN104104027B CN 104104027 B CN104104027 B CN 104104027B CN 201410329229 A CN201410329229 A CN 201410329229A CN 104104027 B CN104104027 B CN 104104027B
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- Prior art keywords
- switch
- static contact
- insulating cylinder
- solid insulation
- contact
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention relates to a solid insulation switch. The solid insulation switch comprises a shell body, wherein a switch main loop is arranged in the shell body and formed by sequentially serially connecting an arc extinguish chamber upper conductive member (2), a vacuum arc extinguish chamber (4), a flexible coupling (11), a first static contact (10), a T-shaped movable cutter rod (9), a second static contact and a lower conductive rod (8), the arc extinguish chamber upper conductive member (2), the vacuum arc extinguish chamber (4), and the flexible coupling (11) are arranged on the upper portion of the shell body, and the first static contact (10), the T-shaped movable cutter rod (9), and the second static contact and a lower conductive rod (8) are arranged in the shell body. The solid insulation switch has the advantages that a solution idea that a three-phase breaker (or a load switch) unit is incorporated with an isolation switch/an earthing switch to form a core unit is provided, the core unit of the solid insulation switch is arranged, costs are low, the size is small, and the solid insulation switch is more environmental friendly than an SF6 switch.
Description
Technical field
The present invention relates to a kind of construction of switch, specifically a kind of solid insulation switch, belong to switchgear technology neck
Domain.
Background technology
Switch is seen everywhere in daily life, existing middle pressure solid insulation looped network switch apparatus, is typically all equipped with
There are disconnecting switch and earthed switch.Existing middle pressure solid insulation looped network switch apparatus, common technical scheme mostly adopts three
Mutually independent core cell, the technical scheme using three-phase combined type core cell is more rare.Three are used in prior art
Mutually independent core cell, it is there is problems in that 1) solid-state insulated switchgear of three-phase individual cores unit, between each of which
Every three core cells will be installed, relatively costly, install complicated；2) technical side of existing employing three-phase combined type core cell
In case, chopper (or on-load switch) unit is separated with disconnecting switch/earthed switch unit, forms different modules；3) each mould
Be interconnected to form major loop between block, these modules need to be attached, this just bring electrically seal at electrical connection difficult and
The higher problem of contact resistance.Therefore, a kind of new technical scheme of exigence solves above-mentioned technical problem.
Content of the invention
The present invention is exactly directed to technical problem present in prior art, provides a kind of solid insulation switch, this device is whole
Body smart structural design, easy to operate, integrated arrangement for the main electric elements of medium voltage switchgear equipment and major loop and one
Change design, in this technical scheme, further relate to vacuum pressure gelation technology, the insulant surface earthing of insulant epoxy resin
Coating technology and switchgear miniaturization technology.
To achieve these goals, the technical solution used in the present invention is, a kind of solid insulation switch it is characterised in that
Described switch includes outer cover body, is provided with switch major loop, described switch major loop is successively by arc extinguishing in described outer cover body
Electric-conductor, vacuum interrupter on room, be flexible coupling, the first static contact, t shape moving knife bar, the second static contact and lower conducting rod series connection group
Become, electric-conductor, vacuum interrupter on described arc-chutes, being flexible coupling is arranged on the top of outer cover body, described first static contact, t
Shape moving knife bar, the second static contact and lower conducting rod are arranged on the inside of outer cover body.
As a modification of the present invention, described switch also includes three-phase arc-chutes insulating cylinder and three-phase isolation switch/connect
Ground switch insulation cylinder, described three-phase arc-chutes insulating cylinder is arranged on the top of three-phase isolation switch/earthed switch insulating cylinder, described
It is flexible coupling and is arranged in three-phase arc-chutes insulating cylinder, described t shape moving knife bar is arranged on three-phase isolation switch/earthed switch insulating cylinder
In.
As a modification of the present invention, described switch also includes grounding contact, and described grounding contact is arranged on three and is separated by
Leave in pass/earthed switch insulating cylinder.
As a modification of the present invention, described switch also includes auxiliary contact, and described auxiliary contact is arranged on three and is separated by
Leave in pass/earthed switch insulating cylinder.
As a modification of the present invention, described switch also includes earthing bar connecting screw hole, described earthing bar connecting screw hole
For dead earth row.When switch is in earthing position so that switch major loop can ensure equipment and personnel with reliable ground
Safety.
As a modification of the present invention, described conducting rod, vacuum interrupter, the first static contact, the second static contact and under
Conducting rod fixation pours in the epoxy.
As a modification of the present invention, described grounding contact, the first static contact, static contact and lower guide rod, auxiliary contact
Uniformly it is arranged on the surrounding of three-phase isolation switch/earthed switch insulating cylinder.So setting makes switch compact, and is easy to rotate
The major loop of formula reliably with these contacts.
With respect to prior art, advantages of the present invention is as follows, 1) overall construction design is ingenious, dismounting assembling is easy to maintenance,
Cost is relatively low；2) this technical scheme proposes three-phase breaker (or on-load switch) unit and disconnecting switch/earthed switch unit
Merge into the resolving ideas of a core cell, devise a kind of solid-state insulated switchgear core cell, this core cell master
Loop adopts the vacuum interrupter of chopper (on-load switch) and the cascaded structure of disconnecting switch/earthed switch；3) this technical side
The resin portion one-time-concreting molding of core cell rings oxygen, the operation being fitted without and splicing in case, performance is relatively reliable；4) install
Convenient, it is to avoid at electrical connection, electrically to seal the difficult and higher problem of contact resistance；5) this technical scheme low cost, size
Little；Good compared with the sf6 switch feature of environmental protection.
Brief description
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is test structure schematic diagram of the present invention；
Wherein, cable plug on 1, electric-conductor on 2 arc-chutes, 3 three-phase arc-chutes insulating cylinders, 4 arc-chutes, 5 ground connection
Contact, 6 three-phase isolation switch/earthed switch insulating cylinder, 7 times cable plugs, 8 static contacts and lower conducting rod, 9 t shape moving knife
Bar, 10 first static contacts, 11 are flexible coupling, 12 earthing bar connecting screw holes, 13 auxiliary contacts.
Specific embodiment
In order to deepen the understanding of the present invention and understanding, the invention will be further described below in conjunction with the accompanying drawings and introduces.
Embodiment 1: such as Fig. 1, a kind of solid insulation switch, described switch includes outer cover body, sets in described outer cover body
Be equipped with switch major loop, described switch major loop successively by electric-conductor on arc-chutes 2, vacuum interrupter 4, be flexible coupling 11, first
Static contact 10, t shape moving knife bar 9, the second static contact and lower conducting rod 8 are composed in series, and on described arc-chutes, electric-conductor 2, vacuum are gone out
Arc chamber 4, be flexible coupling 11 tops being arranged on outer cover body, described first static contact 10, t shape moving knife bar 9, the second static contact and under
Conducting rod 8 is arranged on the inside of outer cover body.
Embodiment 2: such as Fig. 1, as a modification of the present invention, described switch also includes three-phase arc-chutes insulating cylinder 3 He
Three-phase isolation switch/earthed switch insulating cylinder 6, described three-phase arc-chutes insulating cylinder 3 is arranged on three-phase isolation switch/earthed switch
The top of insulating cylinder 6, described be flexible coupling 11 be arranged in three-phase arc-chutes insulating cylinder 3, described t shape moving knife bar 9 is arranged on three-phase
In disconnecting switch/earthed switch insulating cylinder 6.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 3: such as Fig. 1, as a modification of the present invention, described switch also includes grounding contact, and described ground connection is touched
Head is arranged in three-phase isolation switch/earthed switch insulating cylinder 6, for turning on earth-return circuit.Remaining structure and advantage and enforcement
Example 1 is identical.
Embodiment 4: such as Fig. 1, as a modification of the present invention, described switch also includes auxiliary contact, and described auxiliary is touched
Head is arranged in three-phase isolation switch/earthed switch insulating cylinder 6.This auxiliary contact is set, plays the effect of supplementary insulation, significantly
Improve the reliability of insulation effect.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 5: such as Fig. 2, as a modification of the present invention, described switch also includes earthing bar connecting screw hole 12, institute
State earthing bar connecting screw hole to arrange for dead earth.When switch is in earthing position so that switch major loop can be abutted against
Ground, ensures equipment and personal security.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 6: such as Fig. 1, as a modification of the present invention, described conducting rod 2, vacuum interrupter 4 first static contact
10th, the second static contact and lower conducting rod 8 fixation pour in the epoxy, one-time-concreting molding, and substantially increase product can
By property and stability.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 7: such as Fig. 1, as a modification of the present invention, described grounding contact 5, the first static contact 10, static contact
And lower guide rod 8, auxiliary contact 13 are uniformly arranged on the surrounding of three-phase isolation switch/earthed switch insulating cylinder 6, it is easy to be formed not
With the loop of state, so setting is so that switch is compact, and is easy to revolving major loop and reliably connects with these contacts
Touch, remaining structure is identical with embodiment 1 with advantage.
At least one of technical characteristic described in embodiment 2,3,4,5,6,7 can also be combined by the present invention with embodiment 1,
Form new embodiment.
It should be noted that above-described embodiment, not it is used for limiting protection scope of the present invention, in technique scheme
On the basis of done equivalents or substitute each fall within the scope that the claims in the present invention are protected.
Claims (5)
1. a kind of solid insulation switch, it is characterised in that described switch includes outer cover body, is provided with out in described outer cover body
Close major loop, described switch major loop successively by electric-conductor on arc-chutes (2), vacuum interrupter (4), be flexible coupling (11), first
Static contact (10), t shape moving knife bar (9), the second static contact and lower conducting rod (8) are composed in series, electric-conductor on described arc-chutes
(2), vacuum interrupter (4), be flexible coupling (11) be arranged on the top of outer cover body, described first static contact (10), t shape moving knife bar
(9), the second static contact and lower conducting rod (8) are arranged on the inside of outer cover body, and described switch also includes the insulation of three-phase arc-chutes
Cylinder (3) and three-phase isolation switch/earthed switch insulating cylinder (6), described three-phase arc-chutes insulating cylinder (3) is arranged on three-phase and keeps apart
The top of pass/earthed switch insulating cylinder (6), described be flexible coupling (11) be arranged in three-phase arc-chutes insulating cylinder (3), described t shape
Moving knife bar 9 is arranged in three-phase isolation switch/earthed switch insulating cylinder (6), electric-conductor (2), vacuum extinction on described arc-chutes
Room (4), the first static contact (10), the second static contact and lower conducting rod (8) fixation pour in the epoxy, and one-time-concreting becomes
Type.
2. solid insulation switch as claimed in claim 1 is it is characterised in that described switch also includes grounding contact, described connects
Ground contact is arranged in three-phase isolation switch/earthed switch insulating cylinder (6).
3. solid insulation switch as claimed in claim 2 is it is characterised in that described switch also includes auxiliary contact, described auxiliary
Contact is helped to be arranged in three-phase isolation switch/earthed switch insulating cylinder (6).
4. solid insulation switch as claimed in claim 3 is it is characterised in that described switch also includes earthing bar connecting screw hole,
Described earthing bar connecting screw hole is used for dead earth and arranges.
5. solid insulation switch as claimed in claim 4 is it is characterised in that described grounding contact, the first static contact, second quiet
Contact and lower conducting rod, auxiliary contact are uniformly arranged on the surrounding of three-phase isolation switch/earthed switch insulating cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329229.XA CN104104027B (en) | 2014-07-11 | 2014-07-11 | Solid insulation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329229.XA CN104104027B (en) | 2014-07-11 | 2014-07-11 | Solid insulation switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104104027A CN104104027A (en) | 2014-10-15 |
| CN104104027B true CN104104027B (en) | 2017-02-01 |
Family
ID=51671946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410329229.XA Expired - Fee Related CN104104027B (en) | 2014-07-11 | 2014-07-11 | Solid insulation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104104027B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2594957Y (en) * | 2001-09-07 | 2003-12-24 | 河南平高电气股份有限公司 | Separated switch devices |
| CN202797738U (en) * | 2012-08-20 | 2013-03-13 | 西安西能电器新技术发展有限公司 | Solid insulation vacuum ring main unit |
| CN103681092A (en) * | 2013-11-29 | 2014-03-26 | 国家电网公司 | Solid insulation isolation earthing switch device and fixing and encapsulating device thereof |
| CN204012400U (en) * | 2014-07-11 | 2014-12-10 | 江苏硕德电力技术有限公司 | A kind of solid insulation switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5921269B2 (en) * | 2012-03-14 | 2016-05-24 | 株式会社日立製作所 | Switchgear |
-
2014
- 2014-07-11 CN CN201410329229.XA patent/CN104104027B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2594957Y (en) * | 2001-09-07 | 2003-12-24 | 河南平高电气股份有限公司 | Separated switch devices |
| CN202797738U (en) * | 2012-08-20 | 2013-03-13 | 西安西能电器新技术发展有限公司 | Solid insulation vacuum ring main unit |
| CN103681092A (en) * | 2013-11-29 | 2014-03-26 | 国家电网公司 | Solid insulation isolation earthing switch device and fixing and encapsulating device thereof |
| CN204012400U (en) * | 2014-07-11 | 2014-12-10 | 江苏硕德电力技术有限公司 | A kind of solid insulation switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104104027A (en) | 2014-10-15 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20180711 |