CN109065405A - A kind of pole - Google Patents
A kind of pole Download PDFInfo
- Publication number
- CN109065405A CN109065405A CN201811114704.6A CN201811114704A CN109065405A CN 109065405 A CN109065405 A CN 109065405A CN 201811114704 A CN201811114704 A CN 201811114704A CN 109065405 A CN109065405 A CN 109065405A
- Authority
- CN
- China
- Prior art keywords
- contact
- vacuum interrupter
- mounting base
- dome portion
- stainless steel
- 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
- 230000003068 static effect Effects 0.000 claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 25
- 239000010935 stainless steel Substances 0.000 claims abstract description 25
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 23
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008033 biological extinction Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000004512 die casting Methods 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001815 facial effect Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 21
- 229920003023 plastic Polymers 0.000 abstract description 21
- 238000000465 moulding Methods 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a kind of poles, including contact, shell, vacuum interrupter；Shell is wrapped in outside contact middle and lower part and vacuum extinction room using the hot Shooting Technique molding of environmentally-friendly plastic, is formed pole；Vacuum interrupter includes static contact, porcelain vase, moving contact；Static contact, moving contact are separately positioned on the both ends of vacuum interrupter, and the junction of static contact and porcelain vase passes through stainless steel layer and wraps up；Contact includes shaped piece, dome portion, and the shaped piece bottom end is connect with dome portion top, and the dome portion is provided centrally with the groove matched with the static contact of vacuum interrupter；Dome portion is matched with the stainless steel layer of vacuum interrupter stationary contact；The static contact of vacuum interrupter is placed in dome portion center groove, the shaped piece lower part of contact is connect with static contact by electrical connector, dome portion is in close contact and is coated on outside the stainless steel layer of vacuum interrupter, for preventing the excessive stainless steel layer for leading to vacuum interrupter of pressure in shell injection moulding process from deforming.
Description
Technical field
The present invention relates to a kind of poles, and in particular to a kind of pole of environmentally-friendly plastic belongs to vacuum circuit breaker
Technical field.
Background technique
Existing indoor or outdoor embedded pole is generally by upper outlet, lower outlet, vacuum interrupter, epoxy resin shell structure
At technique mostly uses pressure gel or vacuum casting process.The disadvantage is that curing time is long, unit mass weight, epoxy resin gives up
Expect it is difficult to degrade, be not able to satisfy environmental protection requirement.
To solve the above problems, replacing epoxy resin as pole insulation shell using thermoplastic environment-protecting plastics.With
Epoxy resin pole is compared, and environmentally-friendly plastic curing time is short, density is the 80% of epoxy resin, dielectric strength is compared with asphalt mixtures modified by epoxy resin
Rouge improves 50%.But during injection molding, due to injection pressure height forms huge injection molding impact force can be to vacuum extinction
The end face stainless steel layer of room is deformed, and the serious welding surface cracking that can make stainless steel causes vacuum interrupter to fail.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of pole of environmentally-friendly plastic.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of pole, it is characterised in that: including contact, shell, vacuum interrupter；
The shell is formed using hot Shooting Technique, is wrapped in outside contact middle and lower part and vacuum extinction room, and pole is formed；
The vacuum interrupter includes static contact, porcelain vase, moving contact；Static contact, moving contact are separately positioned on vacuum interrupter
It is wrapped up by stainless steel layer the junction of both ends, static contact and porcelain vase；
The contact includes shaped piece, dome portion, and the shaped piece bottom end is connect with dome portion top, and dome portion center is set
It is equipped with the groove matched with the static contact of vacuum interrupter；The stainless steel layer of dome portion and vacuum interrupter stationary contact matches
It closes；
The static contact of the vacuum interrupter is placed in dome portion center groove, and the shaped piece lower part of contact and static contact pass through electricity
Connector connection, dome portion is in close contact and is coated on outside the stainless steel layer of vacuum interrupter, for preventing shell injection moulding process
The excessive stainless steel layer for leading to vacuum interrupter of middle pressure deforms.
The material of the shell is environmentally-friendly plastic, using high performance nylon (HPN)+glass fibre (GF) or PBT+ toughening material
Material.
Preferably, the contact further includes hollow cylindrical, and the shaped piece bottom end passes through with dome portion top
Hollow cylindrical connection, interface channel of the hollow cylindrical as electrical connector.
Further, the concentric setting of the hollow cylindrical and dome portion, hollow cylindrical bottom end and dome portion top
It is connected.More preferably, the dome facial planes thickness is not less than 10mm；At least 3.2 grades of dome portion inside surface roughness.
Preferably, the pole, it is characterised in that: the electrical connector is screw or weldment.
Preferably, the pole, it is characterised in that: the material of the contact is die casting red copper；It is described
The material of static contact is silver-plated red copper.
Preferably, the pole, it is characterised in that: the junction of the moving contact and porcelain vase is not by
Steel layer of becoming rusty package.
Preferably, the pole, it is characterised in that: the shell includes enclosure body, the first installation
Seat, the second mounting base, third mounting base, the 4th mounting base；
First mounting base, the connection of the second mounting base, which are arranged on enclosure body top, the first mounting base, the second mounting base, to divide
It is not provided with embedded threaded hole, for mounting bracket and the first mounting base, mounting bracket and the second peace to be bolted respectively
Seat is filled, shell is fixedly mounted in mounting bracket；
The connection of enclosure body lower end setting the third mounting base, the 4th mounting base；
It is provided with pin shaft hole in the third mounting base, for being coupled insulation connecting lever with pin shaft, insulation connecting lever goes out with vacuum
The moving contact of arc chamber is connected by pull rod, and the third mounting base plays the rotational support of insulation connecting lever, and the connecting lever that insulate is around pin
The on-off function of vacuum interrupter is realized in axis rotation；
It is provided with bolt hole in 4th mounting base, for installing flexible joining part and lower conduct piece, the both ends point of flexible joining part
It is not fixedly connected on one end of vacuum interrupter moving contact and lower conduct piece, by bolt by the company of flexible joining part and lower conduct piece
It connects end to be fixed in the 4th mounting base, realizes that electric current draws function；
The enclosure body lower end is additionally provided with mounting hole, for installing stay rod pin.
Preferably, the pole, it is characterised in that: further include buffer layer, the buffer layer is coated on
Outside the dome portion of contact and the porcelain vase of vacuum interrupter, the buffer layer is located between the porcelain vase and shell of vacuum interrupter, uses
It is destroyed in preventing injection molding impact force from generating to porcelain vase.Cushioning layer material is high temperature resistant flexible glue；In addition environmentally-friendly plastic acts directly on
Bubble can be generated between after solidifying on porcelain vase, in conjunction with also not close, and can be improved after having buffer layer.
The utility model has the advantages that the pole of high reliability environmentally-friendly plastic provided by the invention, has the advantage that (1) contact
In pole, the dome of contact lower end effectively prevents the excessive vacuum interrupter stainless steel layer that causes of injection pressure for direct sealing
Deformation, the shaped piece of contact upper end can be designed according to the requirement of contact.(2) present invention is using environmentally-friendly plastic as pole
Shell, not only mitigate weight, improve performance, and meet environmental-friendly requirement.
Detailed description of the invention
Fig. 1 is the cross-sectional view of environmentally-friendly plastic pole of the present invention；
Fig. 2 is the three-dimensional figure of environmentally-friendly plastic pole of the present invention；
Fig. 3 is the three-dimensional figure of contact in the present invention；
Fig. 4 is the outline drawing of vacuum interrupter in the present invention；
Fig. 5 is coincidence status diagram of the present invention；
Fig. 6 is quartile status diagram of the present invention；
Fig. 7 is ground state schematic diagram of the present invention；
In figure: contact 1, shaped piece 11, hollow cylindrical 12, dome portion 13, groove 131；
Environmentally-friendly plastic shell 2, enclosure body 21, the first mounting base 22, the second mounting base 23, third mounting base the 24, the 4th are installed
Seat 25, mounting hole 26；
Vacuum interrupter 3, static contact 31, stainless steel layer 32, porcelain vase 33, stainless steel layer 34, moving contact 35；
Buffer layer 4, screw 5；Grounding contact 6, main shaft 7, pressure contact 8, upper outlet 9.
Specific embodiment
The present invention will be further explained combined with specific embodiments below.
As shown in Figure 1 to Figure 3, a kind of pole of environmentally-friendly plastic, including contact 1, environmentally-friendly plastic shell 2, vacuum are gone out
Arc chamber 3, buffer layer 4；Contact 1 can be connect with the connection type of vacuum interrupter 3 for screw 5, can also weld (electrical connection),
Contact 1 coats one layer of buffer layer 4 after connecting with vacuum interrupter 3, is put into the environment-friendly thermoplastic material that melting is injected after mold, cold
But the movable pole in the fixed lower end in upper end is formed afterwards.
As Figure 1 and Figure 4, vacuum interrupter 3 includes static contact 31, stainless steel layer 32, porcelain vase 33, stainless steel layer 34, moves
Contact 35；Static contact 31, moving contact 35 are separately positioned on the both ends of vacuum interrupter 3, the junction of static contact 31 and porcelain vase 33
It is wrapped up by stainless steel layer 32, moving contact 35 and the junction of porcelain vase 33 are wrapped up by stainless steel layer 34.
It as shown in Figure 1, Figure 3, is the threedimensional model of contact 1, the material of contact is die casting red copper, and contact 1 includes shaped piece
11, the dome portion 13 of hollow cylindrical 12 and bottom end setting, the shaped piece 11, hollow cylindrical 12 and dome portion 13 are from upper past
Under be sequentially connected, hollow cylindrical 12 and the concentric setting in dome portion 13, and 12 bottom end of hollow cylindrical and 13 top of dome portion
It is connected；Dome portion 13 is provided centrally with the groove 131 matched with the static contact 31 of vacuum interrupter 3；Dome portion 13 and true
The stainless steel layer 32 of empty arc-chutes 3 matches；
The static contact 31 of vacuum interrupter 3 is placed in 13 center groove 131 of dome portion, and 11 lower part of shaped piece passes through with static contact 31
Screw 5 connects, interface channel of the hollow cylindrical 12 as screw 5.Dome portion 13 is in close contact and coats vacuum extinction
The stainless steel layer 32 of room, the 13 planar thickness d at least 10mm of dome portion, can effectively prevent injection pressure is excessive vacuum is caused to be gone out
Arc chamber stainless steel layer 32 deforms, at least 3.2 grades of 13 inside surface roughness of contact position dome portion.
The shape of contact upper end shaped piece 11 can be designed according to the position difference of contact point during practice,
So that it had not only been met enough contacting travels but also meets required contact pressure.
As shown in Figure 1, buffer layer 4 is coated on outside the dome portion 13 of contact 1 and the porcelain vase 33 of vacuum interrupter, buffer layer 4
Material is high temperature resistant flexible glue；Buffer layer 4 acts on: 1, prevent injection molding impact force from generating destruction to porcelain vase, 2, environmentally-friendly plastic directly makees
With bubble can be generated between after solidifying on porcelain vase, in conjunction with also not close, and can improve after having buffer layer.
Certainly, under the premise of process conditions meet, buffer layer 4, environmentally-friendly plastic shell 2 and vacuum interrupter can be cancelled
Porcelain vase 33 directly contacts.
As shown in Figure 1 and Figure 2, the environmentally-friendly plastic shell 2 is formed using hot Shooting Technique, be wrapped in 1 middle and lower part of contact and
Outside vacuum interrupter 3, the material of environmentally-friendly plastic shell 2 is high performance nylon (HPN)+glass fibre (GF) or PBT+ toughening material
Material.
The environmentally-friendly plastic shell 2 includes enclosure body 21, the first mounting base 22, the second mounting base 23, third mounting base
24, the 4th mounting base 25, mounting hole 26；
The enclosure body 21 is wrapped in outside contact middle and lower part and vacuum interrupter 3；
First mounting base 22, the second mounting base 23 connection setting are in 21 top of enclosure body, the first mounting base 22, second peace
It is respectively arranged with embedded threaded hole on dress seat 23, for mounting bracket and the first mounting base 22, mounting bracket to be bolted
Environmentally-friendly plastic shell 2 is fixedly mounted in mounting bracket with the second mounting base 23.
The third mounting base 24, the connection of the 4th mounting base 25 are arranged in 21 lower end of enclosure body；
It is provided with pin shaft hole in the third mounting base 24, for being coupled insulation connecting lever with pin shaft, insulate connecting lever and vacuum
The moving contact 35 of arc-chutes 3 by pull rod and pull rod pin connection, make by the rotational support that the third mounting base 24 plays insulation connecting lever
With insulation connecting lever rotates the on-off function that vacuum interrupter can be achieved around pin shaft.
It is provided with embedded threaded hole in 4th mounting base 25, for installing flexible joining part and lower conduct piece, is flexible coupling
The both ends of part are respectively fixedly connected in one end of vacuum interrupter moving contact 35 and lower conduct piece, by bolt by flexible joining part with
The connecting pin of lower conduct piece is fixed in the 4th mounting base 25, realizes that electric current draws function；
21 lower end of enclosure body is additionally provided with mounting hole 26, for installing stay rod pin；
In view of inner space is too small, stay rod pin can not be installed in environmentally-friendly plastic enclosure interior after installation insulation connecting lever and devise
Mounting hole 26, stay rod pin can enter enclosure interior by mounting hole 26, to guarantee that insulation distance devises single round hole.
The shape need of contact top shaped piece is now illustrated according to the working principle of tri-station isolating switch:
It is illustrated in figure 5 coincidence state, the lower contacts for being embedded in the end pressure contact 8 and contact shaped piece 11 in main shaft 7 are good
Good, another end pressure contact 8 contacts conducting with upper outlet 9；Designed contact pressure guarantees the pressure under electrodynamic effect
Contact 8 is without departing from shaped piece 11.
When needing separating brake, main shaft 7 is rotated clockwise, pressure contact 8 is separated with contact shaped piece 11, as shown in fig. 6, this
When form apparent breakpoint, be quartile state.
When needing to be grounded maintenance, main shaft 7 is rotated clockwise, state is become to be grounded position by separating brake at this time, as shown in fig. 7,
One end of pressure contact 8 and the upper contact of shaped piece 11, another end pressure contact 8 connect conducting with grounding contact 6.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of pole, it is characterised in that: including contact, shell, vacuum interrupter；
The shell is formed using hot Shooting Technique, is wrapped in outside contact middle and lower part and vacuum extinction room, and pole is formed；
The vacuum interrupter includes static contact, porcelain vase, moving contact；Static contact, moving contact are separately positioned on vacuum interrupter
It is wrapped up by stainless steel layer the junction of both ends, static contact and porcelain vase；
The contact includes shaped piece, dome portion, and the shaped piece bottom end is connect with dome portion top, and dome portion center is set
It is equipped with the groove matched with the static contact of vacuum interrupter；The stainless steel layer of dome portion and vacuum interrupter stationary contact matches
It closes；
The static contact of the vacuum interrupter is placed in dome portion center groove, and the shaped piece lower part of contact and static contact pass through electricity
Connector connection, dome portion is in close contact and is coated on outside the stainless steel layer of vacuum interrupter, for preventing shell injection moulding process
The excessive stainless steel layer for leading to vacuum interrupter of middle pressure deforms.
2. pole according to claim 1, it is characterised in that: the contact further includes hollow cylindrical, described different
Shape part bottom end is connect with dome portion top by hollow cylindrical, interface channel of the hollow cylindrical as electrical connector.
3. pole according to claim 2, it is characterised in that: the hollow cylindrical and dome portion is concentric sets
It sets, hollow cylindrical bottom end is connected with dome portion top.
4. pole according to claim 1, it is characterised in that: the dome facial planes thickness is not less than 10mm；Circle
At least 3.2 grades of cover portion inside surface roughness.
5. pole according to claim 1, it is characterised in that: the electrical connector is screw or weldment.
6. pole according to claim 1, it is characterised in that: the material of the contact is die casting red copper；It is described quiet
The material of contact is silver-plated red copper.
7. pole according to claim 1, it is characterised in that: the junction of the moving contact and porcelain vase passes through stainless
Steel layer package.
8. pole according to claim 1, it is characterised in that: the shell include enclosure body, the first mounting base,
Second mounting base, third mounting base, the 4th mounting base；
First mounting base, the connection of the second mounting base, which are arranged on enclosure body top, the first mounting base, the second mounting base, to divide
It is not provided with embedded threaded hole, for mounting bracket and the first mounting base, mounting bracket and the second peace to be bolted respectively
Seat is filled, shell is fixedly mounted in mounting bracket；
The connection of enclosure body lower end setting the third mounting base, the 4th mounting base；
It is provided with pin shaft hole in the third mounting base, for being coupled insulation connecting lever with pin shaft, insulation connecting lever goes out with vacuum
The moving contact of arc chamber is connected by pull rod, and the third mounting base plays the rotational support of insulation connecting lever, and the connecting lever that insulate is around pin
The on-off function of vacuum interrupter is realized in axis rotation；
It is provided with embedded threaded hole in 4th mounting base, for installing flexible joining part and lower conduct piece, the two of flexible joining part
End is respectively fixedly connected in one end of vacuum interrupter moving contact and lower conduct piece, by bolt by flexible joining part and lower conduct piece
Connecting pin be fixed in the 4th mounting base, realize electric current draw function.
9. pole according to claim 8, it is characterised in that: the enclosure body lower end is additionally provided with mounting hole,
For installing stay rod pin.
10. -9 described in any item poles according to claim 1, it is characterised in that: it further include buffer layer, the buffer layer
Be coated on outside the dome portion of contact and the porcelain vase of vacuum interrupter, the buffer layer be located at vacuum interrupter porcelain vase and shell it
Between, for preventing shell injection molding impact force from generating destruction to porcelain vase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114704.6A CN109065405A (en) | 2018-09-25 | 2018-09-25 | A kind of pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114704.6A CN109065405A (en) | 2018-09-25 | 2018-09-25 | A kind of pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109065405A true CN109065405A (en) | 2018-12-21 |
Family
ID=64763582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811114704.6A Pending CN109065405A (en) | 2018-09-25 | 2018-09-25 | A kind of pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109065405A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246721A (en) * | 2019-06-21 | 2019-09-17 | 四川汇友电气有限公司 | A kind of electric railway high current double-fracture disconnecting switch |
| CN110246722A (en) * | 2019-07-12 | 2019-09-17 | 四川汇友电气有限公司 | A kind of electric railway solid insulation double-fracture disconnecting switch |
| CN110277270A (en) * | 2019-06-21 | 2019-09-24 | 四川汇友电气有限公司 | A kind of electric railway solid insulation high current double-fracture disconnecting switch |
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| CN201910364U (en) * | 2010-12-23 | 2011-07-27 | 厦门明翰电气有限公司 | Pole of vacuum circuit breaker |
| CN102800524A (en) * | 2012-08-09 | 2012-11-28 | 上海广电电气(集团)股份有限公司 | Solid-sealed polar pole with engineering plastic insulating casing |
| CN103311812A (en) * | 2013-06-28 | 2013-09-18 | 浙江天润电力科技有限公司 | Combined electrical apparatus with isolation switch, vacuum breaker and earthing switch |
| CN203312144U (en) * | 2013-06-28 | 2013-11-27 | 浙江天润电力科技有限公司 | Ultra-short-type solid encapsulation pole column |
| CN204857567U (en) * | 2015-07-30 | 2015-12-09 | 麦克奥迪（厦门）电气股份有限公司 | Solid -sealed pole |
| CN105655192A (en) * | 2016-01-13 | 2016-06-08 | 宁波耀华电气科技有限责任公司 | Manufacturing method of solid-sealed polar pole utilizing insulating sheath to cover vacuum arc-extinguishing chamber |
| CN205828255U (en) * | 2016-07-09 | 2016-12-21 | 北京华电国网电力设备有限公司 | Solid insulation ring main unit and pole thereof |
| CN108133865A (en) * | 2017-12-19 | 2018-06-08 | 上海正昊电力科技有限公司 | Pole |
| CN209015974U (en) * | 2018-09-25 | 2019-06-21 | 江苏南瑞帕威尔电气有限公司 | A kind of pole |
| CN113380576A (en) * | 2021-07-12 | 2021-09-10 | 威尼格尔实业有限公司 | Solid-sealed polar pole of draw-out type vacuum circuit breaker |
-
2018
- 2018-09-25 CN CN201811114704.6A patent/CN109065405A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201910364U (en) * | 2010-12-23 | 2011-07-27 | 厦门明翰电气有限公司 | Pole of vacuum circuit breaker |
| CN102800524A (en) * | 2012-08-09 | 2012-11-28 | 上海广电电气(集团)股份有限公司 | Solid-sealed polar pole with engineering plastic insulating casing |
| CN103311812A (en) * | 2013-06-28 | 2013-09-18 | 浙江天润电力科技有限公司 | Combined electrical apparatus with isolation switch, vacuum breaker and earthing switch |
| CN203312144U (en) * | 2013-06-28 | 2013-11-27 | 浙江天润电力科技有限公司 | Ultra-short-type solid encapsulation pole column |
| CN204857567U (en) * | 2015-07-30 | 2015-12-09 | 麦克奥迪（厦门）电气股份有限公司 | Solid -sealed pole |
| CN105655192A (en) * | 2016-01-13 | 2016-06-08 | 宁波耀华电气科技有限责任公司 | Manufacturing method of solid-sealed polar pole utilizing insulating sheath to cover vacuum arc-extinguishing chamber |
| CN205828255U (en) * | 2016-07-09 | 2016-12-21 | 北京华电国网电力设备有限公司 | Solid insulation ring main unit and pole thereof |
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| CN209015974U (en) * | 2018-09-25 | 2019-06-21 | 江苏南瑞帕威尔电气有限公司 | A kind of pole |
| CN113380576A (en) * | 2021-07-12 | 2021-09-10 | 威尼格尔实业有限公司 | Solid-sealed polar pole of draw-out type vacuum circuit breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246721A (en) * | 2019-06-21 | 2019-09-17 | 四川汇友电气有限公司 | A kind of electric railway high current double-fracture disconnecting switch |
| CN110277270A (en) * | 2019-06-21 | 2019-09-24 | 四川汇友电气有限公司 | A kind of electric railway solid insulation high current double-fracture disconnecting switch |
| CN110246722A (en) * | 2019-07-12 | 2019-09-17 | 四川汇友电气有限公司 | A kind of electric railway solid insulation double-fracture disconnecting switch |
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