CN205900883U - Interior awl socket subassembly - Google Patents
Interior awl socket subassembly Download PDFInfo
- Publication number
- CN205900883U CN205900883U CN201620889699.6U CN201620889699U CN205900883U CN 205900883 U CN205900883 U CN 205900883U CN 201620889699 U CN201620889699 U CN 201620889699U CN 205900883 U CN205900883 U CN 205900883U
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- CN
- China
- Prior art keywords
- socket
- inner cone
- cast
- jack assemblies
- voltage plug
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Abstract
The utility model provides an interior awl socket subassembly can be used to gas insulation switch equipment. Interior awl socket subassembly includes run -on (26), socket high -voltage plug (25), the pouring body (24) and high voltage shielding ring (22). High voltage shielding ring (22) pouring is in the pouring body (24), socket high -voltage plug (25) are including run -on end (251) and pouring end (252), run -on end (251) and run -on (26) fixed connection, pouring end (252) becomes the tube -shape and pours into a mould in the pouring body (24), high voltage shielding ring (22) holds (252) fixed connection and pouring in the pouring body (24) with the pouring. The run -on of socket high -voltage plug (25) is held and is equipped with the magnetic field shielding device between (251) and the pouring end (252). According to the utility model discloses a preferred embodiment, magnetic field shielding device are recess (28) or the socket internal shield ring (210) of U -shaped.
Description
Technical field
This utility model belongs to power product technical field and in particular to one kind is applied to gas-insulated switchgear technology
Field, more particularly, to a kind of attachment means being applied on gas-insulated switchgear.
Background technology
With economic development and urbanization process, Medium Voltage Switchgear miniaturization is more and more important, medium pressure gas insulated switch
Cabinet relative atmospheric insulated switch cabinet in volume has greater advantage.In miniaturization, limited by space in cabinet, to the insulation in cabinet
Design requirement also more and more higher.Existing inner cone jack assemblies and socket are relative with cabinet inner wire coupling part in insulating properties
More weak position, because inner cone jack assemblies high-pressure conductor has three kinds of media with resin and gas tank interior insulation gas have a common boundary
Region, easily produces electric field distortion on three-phase point of interface, causes three-phase juncture area electric field intensity very high；In addition socket and height
When pressure conductor connects, connect end conductor and its connecting bolt head potential electrical field intensity would generally be higher.The asking of this two aspects
Inscribe the switch cubicle design to the confined space and cause certain difficulty, this two positions also become insulating properties relative to weak location, under
Face is using Fig. 1 example as explanation.
As shown in Figure 1, socket high-voltage plug 15 profile is straight for waiting for the inner cone jack assemblies commonly used at present and connection design
The rod in footpath, three-phase juncture area pours the resin 14 and gas interface outer surface perpendicular to socket high-voltage plug 15.Pour tree
Inserts 11, high-tension shielding ring 12 and low pressure shading ring 13 has been poured, in addition connection row 16 directly rides over socket high pressure and inserts in fat 14
On 15, then fastened with bolt.Such design leads to the electric field intensity of three-phase juncture area, bolt head, copper bar end relative
Higher.
Inner cone jack assemblies shown in Fig. 1, the problem of design be three-phase juncture area 18 electric field intensity very big it is easy to
Cause near zone gas ionization, climb electrical breakdown, be simultaneously connected with bolt 17 and the end of copper bar 16 is exposed to outside (with ground potential
Between only gas), exist as most advanced and sophisticated in the electric field, have very big field intensity, cause to puncture.The problems of this two designs, when opening
When pass cabinet is size-constrained, all readily become the electric weak spot in Insulation Test and when running.
Utility model content
This utility model is directed to the above-mentioned weak spot that current inner cone jack assemblies exist, the especially electricity of three-phase juncture area
Field intensity problem, provides a kind of inner cone jack assemblies, including connection row, socket high-voltage plug, pour mass and high-tension shielding ring；Insert
Seat high-voltage plug includes connecting row end and cast end；Connect row end to be fixedly connected with being connected row；Cast end becomes tubular and is cast in
Cast is internal；Described high-tension shielding ring is fixedly connected with cast end and is cast in cast in vivo；The connection row of socket high-voltage plug
It is provided with electric field shielding device between end and cast end.
According to a most preferred embodiment of the present utility model, described electric field shielding device is groove.Preferably, groove is u shape.
According to a most preferred embodiment of the present utility model, described electric field shielding device is socket internal shield ring.
According to a most preferred embodiment of the present utility model, inner cone jack assemblies also include low pressure shading ring, are cast in cast
In vivo.
According to a most preferred embodiment of the present utility model, the connection row end of socket high-voltage plug and cast end are one of the forming
Structure.
According to a most preferred embodiment of the present utility model, the connection row end of socket high-voltage plug and cast end are tied for split
Structure, and be fixed together.
According to a most preferred embodiment of the present utility model, connecting row end has perforate；Perforate is adapted to pitman and is inserted
And be fixedly connected.
According to a most preferred embodiment of the present utility model, connecting row end and pitman is equal diameter pole.
According to a most preferred embodiment of the present utility model, connect row end and pitman is bolted to connection, described spiral shell
One end of bolt is located at and connects in row end, and other end is located in pitman.
Inner cone jack assemblies of the present utility model, make three-phase juncture area electric field intensity substantially reduce, and respectively connect transition
The electric field intensity in region is uniform.
Brief description
Fig. 1 is existing socket and its cross-sectional view connecting design；
Fig. 2 is a most preferred embodiment cross-sectional view of inner cone jack assemblies of the present utility model；
Fig. 3 is another most preferred embodiment cross-sectional view of inner cone jack assemblies of the present utility model；
Fig. 4 is another most preferred embodiment cross-sectional view of inner cone jack assemblies of the present utility model；
Fig. 5 a-5b is in the most preferred embodiment of inner cone jack assemblies shown in Fig. 4, socket internal shield ring structure schematic diagram；
Wherein, Fig. 5 a is profile, and Fig. 5 b is axonometric chart.
Specific embodiment
With reference to each accompanying drawing, describe this utility model inner cone jack assemblies structure and operation principle in detail.
Fig. 2 is a most preferred embodiment cross-sectional view of inner cone jack assemblies of the present utility model；This practicality is new
The inner cone jack assemblies of type, including connecting row 26 and socket high-voltage plug 25, also include pour mass 24 and high-tension shielding ring 22；High
Pressure shading ring 22 is cast in pour mass 24.Socket high-voltage plug 25 includes connecting row end 251 and cast end 252；Connect row end
251 are fixedly connected (being such as fixedly connected) by bolt 27 with being connected row 26；Pour into a mould 252 one-tenth of end tubular and be cast in pour mass 24
Interior.Described high-tension shielding ring 22 is fixedly connected and is cast in pour mass 24 with cast end 252；The connection of socket high-voltage plug 25
It is provided with electric field shielding device between row end 251 and cast end 252.Inserts 21 is used for fixing inner cone jack assemblies.
In preferred embodiment as shown in Figure 2, described electric field shielding device is the groove 28 of u shape.Groove 28 shape is simultaneously
Not necessarily u shape, in the preferred embodiment shown in Fig. 3, groove 28 is then the irregular figure of similar u shape or v shape.
In preferred embodiment shown in above-mentioned Fig. 2 and Fig. 3, the groove 28 of u shape or similar groove, intersecting positioned at three
Battery limit (BL) domain.Described three-phase juncture area is high-pressure conductor, pour mass 24 (such as epoxy casting body) and gas zones.
The groove 28 both sides camber line of the u shape in three-phase juncture area for the socket high-voltage plug 25 shields mutually, thus its own
Electric field intensity is relatively low, and is uniformly distributed.Make the electric field intensity of three-phase juncture area very low, practically negligible.
According to preferred embodiment of the present utility model it is generally the case that inner cone jack assemblies also include low pressure shading ring 23,
It is cast in pour mass 24, play shielding and inductance capacitance effect.
In preferred embodiment shown in above-mentioned Fig. 2 and Fig. 3, end 251 and cast are arranged in the connection of its socket high-voltage plug 25
, there are different modes at end 252 again.As shown in Fig. 2 the connection row end 251 of socket high-voltage plug 25 is integrated into cast end 252
Shape structure.In preferred embodiment as shown in Figure 3, the connection row end 251 of socket high-voltage plug 25 and cast end 252 are split
Structure, and be fixed together；It is fixedly connected and can be completed by bolt.
Further, according to one of or more preferred embodiments of the present utility model, as shown in Figures 2 and 3, socket
There is perforate 2511 at the connection row end 251 of high-voltage plug 25；Perforate 2511 is adapted to pitman 26 and is inserted and is fixedly connected.
In preferred embodiment shown in above-mentioned Fig. 2 and Fig. 3, in three-phase juncture area, the groove 28 having u shape is used for electricity
Field is shielded.According to another preferred embodiment of the present utility model, electric field shielding adopts socket internal shield ring 210, such as Fig. 4
Shown.Socket internal shield ring 210 is cast in the pour mass 24 of epoxy, and near three juncture areas.Fig. 5 a-5b is Fig. 4
In the most preferred embodiment of shown inner cone jack assemblies, socket internal shield ring structure schematic diagram；Wherein, Fig. 5 a is b part in Fig. 4
Enlarged drawing, in figure shows internal shield ring profile, and Fig. 5 b is internal shield ring axonometric chart.
Socket internal shield ring shown in Fig. 5 a-5b 210 is conductive material, and with socket high-voltage plug isoelectric level, it is on top
There is a circle step near three-phase juncture area, outside is gradually transitions bottom with Rouno Cormer Pregrinding Wheel.Socket internal shield ring shown in Fig. 5 a
210 form semi-surrounding structure, the electric field of shielding three-phase juncture area 28 with socket high-voltage plug 5 to three-phase juncture area 28；With
When its step part shielded by socket high-voltage plug 5, therefore its electric field is relatively low.Socket internal shield ring 210 outside Rouno Cormer Pregrinding Wheel
Transitional region is internal in cast, can tolerate higher electric field intensity.Therefore socket internal shield ring 210 makes three-phase junctional area
Domain electric field intensity substantially reduces, and it is internal that electric field large area is transferred to cast.
Further, according to one of or more preferred embodiments of the present utility model, row end 251 and pitman are connected
26 can be equal diameter pole.In embodiment as shown in Figure 4, that is, show this structure.
According to one of or more preferred embodiments of the present utility model, as shown in Figures 2 and 3, connect row end
251 and pitman 26 be bolted to connection, one end of described bolt is located at and connects in row end 251, and other end is located at even
Take over the baton in 26.Connect being fixedly connected of row end 251 and pitman 26, can realize in the side connecting row end 251 it is also possible to
Achieve a fixed connection in the upper-lower position connecting row end 251.If pitman 26 has dimensional discrepancy when mounted, can be by inserting
Strip hole on seat high-voltage plug 25 is adjusted.
Socket high-voltage plug 25 upper end perforate design so that the end of pitman 26 may be inserted into wherein, socket is high
Even transition between pressure plug 25 and pitman 26, the head of connecting bolt 27 also is disposed on inside socket high-voltage plug 25, because
And avoid pitman 26 end and connecting bolt head is exposed to outside so that each region in junction electric field intensity is uniform.
Although disclosing preferred embodiment of the present utility model and accompanying drawing for the purpose of illustration, skilled
Personnel, without departing from this utility model and appended spirit and scope by the claims, can make various replacements, change and profit
Decorations.Therefore, this utility model should not be limited to preferred embodiment and accompanying drawing disclosure of that, protection domain of the present utility model
It is defined by the scope of which is defined in the appended claims.
Claims (10)
1. a kind of inner cone jack assemblies, including connect row (26) and socket high-voltage plug (25) it is characterised in that:
Also include pour mass (24) and high-tension shielding ring (22)；
Socket high-voltage plug (25) includes connecting row end (251) and cast end (252)；Connect row end (251) and be connected row (26)
It is fixedly connected；Cast end (252) becomes tubular and is cast in pour mass (24)；
Described high-tension shielding ring (22) is fixedly connected with cast end (252) and is cast in pour mass (24)；
It is provided with electric field shielding device between connection row end (251) of socket high-voltage plug (25) and cast end (252).
2. inner cone jack assemblies according to claim 1 it is characterised in that: described electric field shielding device be groove (28).
3. inner cone jack assemblies according to claim 2 it is characterised in that: described groove (28) be u shape.
4. inner cone jack assemblies according to claim 1 it is characterised in that: described electric field shielding device be socket inside screen
Cover ring (210).
5. the inner cone jack assemblies according to claim 1-4 any one it is characterised in that: also include low pressure shading ring
(23), it is cast in pour mass (24).
6. the inner cone jack assemblies according to claim 1-4 any one it is characterised in that: socket high-voltage plug (25)
Connect row end (251) and pour into a mould end (252) and be one of the forming structure.
7. the inner cone jack assemblies according to claim 1-4 any one it is characterised in that: socket high-voltage plug (25)
Connecting row end (251) and cast end (252) is Split type structure, and is fixed together.
8. the inner cone jack assemblies according to Claims 2 or 3 it is characterised in that: connect row end (251) have perforate
(2511)；Perforate (2511) is adapted to pitman (26) and is inserted and is fixedly connected.
9. inner cone jack assemblies according to claim 4 it is characterised in that: connect row end (251) and pitman (26) be
Equal diameter pole.
10. inner cone jack assemblies according to claim 8 it is characterised in that: connect row end (251) and pitman (26) be logical
Cross bolt to be fixedly connected, one end of described bolt is located at and connects in row end (251), and other end is located in pitman (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620889699.6U CN205900883U (en) | 2016-08-16 | 2016-08-16 | Interior awl socket subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620889699.6U CN205900883U (en) | 2016-08-16 | 2016-08-16 | Interior awl socket subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900883U true CN205900883U (en) | 2017-01-18 |
Family
ID=57778343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620889699.6U Active CN205900883U (en) | 2016-08-16 | 2016-08-16 | Interior awl socket subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205900883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638701A (en) * | 2018-11-16 | 2019-04-16 | 许继集团有限公司 | A kind of switchgear |
-
2016
- 2016-08-16 CN CN201620889699.6U patent/CN205900883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638701A (en) * | 2018-11-16 | 2019-04-16 | 许继集团有限公司 | A kind of switchgear |
| CN109638701B (en) * | 2018-11-16 | 2020-11-17 | 许继集团有限公司 | Switch cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |