CN109841449A - A kind of rail traction line-breaker pole - Google Patents
A kind of rail traction line-breaker pole Download PDFInfo
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- CN109841449A CN109841449A CN201910191341.4A CN201910191341A CN109841449A CN 109841449 A CN109841449 A CN 109841449A CN 201910191341 A CN201910191341 A CN 201910191341A CN 109841449 A CN109841449 A CN 109841449A
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- moved end
- static side
- pull rod
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- conduct piece
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to high voltage electric equipment field, especially a kind of rail traction line-breaker pole.Including static side copper conduct piece, vacuum interrupter, moved end copper conduct piece, pull rod room, semi-conductive buffer floor, semiconductive shielding layer.There is semi-conductive buffer layer between electric conductor and solid insulating material sealing part.The disconnected position in solid insulating material surface, solidification has semiconductive shielding layer, and connect with shell.Radiation fins groove is equipped on circuit breaker polar flange in the bottom.Electric conductor junction is equipped with uniformer, eliminates local point discharge phenomenon.The present invention reduces the volume of switch；The partial discharge quantity for reducing product improves the service life of product, improves reliability.
Description
Technical field
The present invention relates to high voltage electric equipment field, especially a kind of rail traction line-breaker pole.
Background technique
With the sustainable development of China's economic, railway transportation plays more and more long-pending in the important means that Chinese transportation transports
The effect of pole, Chinese railway construction will enter golden period, and high-speed rail, motor-car have become the main means of transport of trip.For electrification
The safety and reliability that locomotive provides the traction substation of electric power is also more and more important, with the arrival in high-speed rail epoch, faces
The increasingly vigorous situation of the market demand.Rail traction power supply line carries out sectional power supply, when there is locomotive to pass through, this section of line electricity
Flow larger (electric current as recovery motor-car needs reaches 1000A)；After locomotive passes through, the current spikes of this section of route become smaller,
Even drop to zero.When motor-car passes through simultaneously, exciting current and harmonic current can be also generated, thus to rail traction line switching
Equipment impact is very big, especially the pole of breaker, seriously affects the service life of switchgear.Conventional rail traction is opened
Equipment is closed based on gas-insulated, as publication number CN201490613U discloses the railway switching cabinet that two-phase is total to case.Existing gas
That there are volumes is big for insulated switch, safety is low (there are the risks such as gas leakage, detonation).Solid-state insulated switchgear has volume
It is small, the advantages that no arcing, but the thermal stress issues for needing to solve the generation of high/low temperature alternation there are difficulty are controlled in temperature rise, prevent
Failure of insulation caused by insulating layer cracks.
Summary of the invention
It is small in size, highly-safe the purpose of the present invention is to propose to a kind of rail traction line-breaker pole.
To achieve the above object, the technical scheme is that a kind of rail traction line-breaker pole, including static side
Copper conduct piece, vacuum interrupter, moved end copper conduct piece, pull rod room, semi-conductive buffer floor, semiconductive shielding layer.Electric conductor and solid
Body insulating materials sealing has semi-conductive buffer layer between part.The disconnected position in solid insulating material surface, solidification have semiconductive
Shielded layer.Electric conductor junction is equipped with equal casting die, eliminates local point discharge phenomenon.
Static side copper conduct piece tightens together with the static side copper piece of vacuum interrupter, and moved end copper conduct piece is fixed on vacuum and goes out
The moved end of arc chamber is simultaneously connected by spring touch finger and the copper conduct piece of moved end.Static side connector is arranged at circuit breaker polar top, has quiet
End flanges and static side male cone (strobilus masculinus).There is electrified sensor between static side flange and static side copper conduct piece, electrified sensor is more than static side
The boundary line of male cone (strobilus masculinus) and static side flange plays the role of the electric field pressure of static side flange connection surface.Moved end groove is used for and ground connection
Corresponding connection copper piece is switched, is connected by spring touch finger.Inner cone taper connection face to the right and inlet wire in the middle part of circuit breaker polar
Casing insulated enclosure.Moved end copper conduct piece connect grading ring with the inner conical surface bottom moved end Nei You, and main function is to inner cone bottom
It is pressed with the electric field of moved end copper conduct piece transition face, prevents transition face from electric field concentration phenomenon occur.Vacuum interrupter static side is equipped with
The equal casting die of the static side that Open Side Down, moved end are equipped with the equal casting die in moved end of opening upwards.Moved end copper conduct piece is equipped with the equal casting die of pull rod,
Open Side Down for the equal casting die of pull rod, and when being cut-off more than vacuum interrupter pull rod and moved end copper piece joint face, mainly solve pull rod
With the electric field voltage-sharing of copper guiding element connecting portion.The equal casting die height of pull rod is between 55 millimeters -90 millimeters.Circuit breaker polar is logical
It crosses insulating layer and realizes electric insulation.It is semiconductive shielding layer outside insulating layer.Circuit breaker polar lower part is equipped with pull rod room, pull rod room
Tapered structure, pull rod chamber internal surface have skirt.Pull rod outdoor is insulating layer.Wave is equipped on circuit breaker polar flange in the bottom
Line covers groove, for fixing radiation fins and sealing pull rod room, prevents dust and steam from entering pull rod room.Static side copper conduct piece appearance
Face is equipped with semi-conductive buffer layer, moved end copper conduct piece part copper other than moved end connection grading ring is with inner part and the equal casting die of pull rod
Part surface is equipped with semi-conductive buffer layer.
Semi-conductive buffer layer main function be eliminate tip, burr etc. existing for electric conductor surface influence shelf depreciation because
Element；Simultaneously in electric conductor adstante febre, the stress because expanding with heat and contract with cold between bring solid insulating material and electric conductor is buffered, is avoided
Generate gap and solid insulating material cracking.The resistance value of semi-conductive buffer layer is between 3000 ohm to 6000 ohm.Partly lead
Electric buffer layer thickness is between 0.5-2 millimeters.The main component of semi-conductive buffer layer is carbon dust and silicon rubber.Semi-conductive buffer layer
Carbon dust is added after mixing using silicon rubber liquid, electric conductor sealing position is sprayed on, then solidifies, then to the buffering after solidification
Layer outer surface sandblasting polishing, cleaning carry out sealing finally by compression moulding die is packed into.
The beneficial effects of the present invention are: 1, using vacuum interrupter and solid insulating material, reduce circuit breaker polar
Volume；2, pole uses equal casting die and semi-conductive screen ground plane, reduces the partial discharge quantity of product；Electric conductor and sealing
Semi-conductive buffer layer is used between material, is improved the ability of reply temperature rise, is improved the insulation life of product；3, wave is sealed
Line set improves the dust-proof ability with steam in pull rod room, improves the reliability of product.
Detailed description of the invention
1 circuit breaker polar schematic cross-sectional view of attached drawing
2 circuit breaker polar schematic diagram of attached drawing
Drawing reference numeral explanation: 1, static side copper conduct piece, 2, vacuum interrupter, 2.1, the equal casting die of static side, 2.2, the equal casting die in moved end,
3, moved end copper conduct piece, 3.1, moved end connection grading ring, 3.2, the equal casting die of pull rod, 4, insulating layer, 5, moved end connector, 6, static side
Connector, 6.1, static side flange, 6.2 static side male cone (strobilus masculinus)s, 7, electrified sensor, 7.1, sensor connecting screw hole, 8, semiconductive it is slow
Rush layer, 9, pull rod room, 9.1, skirt, 10, semiconductive shielding layer, 11, pole flange in the bottom, 11.1, radiation fins groove.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawing.
Embodiment 1
Fig. 1 is the schematic cross-sectional view of circuit breaker polar, for ease of description, semi-conductive buffer layer, semiconductive shielding layer and skirt
Enhanced processing is done.As shown in Figure 1 and Figure 2, a kind of rail traction line-breaker pole, including it is static side copper conduct piece 1, true
Empty arc-chutes 2, moved end copper conduct piece 3, pull rod room 9, semi-conductive buffer floor 8, semiconductive shielding layer 10.Electric conductor and solid insulation
Material sealing has semi-conductive buffer layer between part.The disconnected position in solid insulating material surface, solidification have semiconductive shielding layer.
Electric conductor junction is equipped with equal casting die, eliminates local point discharge phenomenon.
Static side copper conduct piece 1 tightens together with the static side copper piece of vacuum interrupter 2, and moved end copper conduct piece 3 is fixed on very
The moved end of empty arc-chutes is simultaneously connected by spring touch finger and the copper conduct piece 3 of moved end.Static side connector is arranged at circuit breaker polar top
6, there are static side flange 6.1 and static side male cone (strobilus masculinus) 6.2.There are electrified sensor 7, band between static side flange 6.1 and static side copper conduct piece 1
Electric transducer 7 is more than the boundary line of static side male cone (strobilus masculinus) 6.2 and static side flange 6.1, and the electric field for playing static side flange connection surface is pressed
Effect.Moved end groove is used for connection copper piece corresponding with earthing switch, is connected by spring touch finger.In the middle part of circuit breaker polar to the right
Moved end connector 5 by inner cone taper connection face and entrance bushing insulated enclosure, main function is to inner cone bottom and moved end
The electric field of copper conduct piece transition face is pressed, and prevents transition face from electric field concentration phenomenon occur.Vacuum interrupter static side be equipped with opening to
Under the equal casting die 2.1 of static side, moved end be equipped with opening upwards the equal casting die 2.2 in moved end.Moved end copper conduct piece 3 is equipped with the equal casting die of pull rod
3.2, Open Side Down for the equal casting die of pull rod, and when being cut-off more than vacuum interrupter pull rod and moved end copper piece joint face, mainly solve
The electric field voltage-sharing of pull rod and copper guiding element connecting portion.The equal casting die height of pull rod is between 55 millimeters -80 millimeters.Circuit breakers pole
Column realizes electric insulation by insulating layer 4.It is semiconductive shielding layer 10 outside insulating layer 4.Circuit breaker polar lower part is equipped with pull rod
Room 9, the tapered structure in pull rod room, pull rod chamber internal surface have skirt 9.1.It is insulating layer 4 outside pull rod room 9.In circuit breaker polar
Flange in the bottom 11 is equipped with radiation fins groove 11.1, for fixing radiation fins and sealing pull rod room, prevents dust and steam
Into pull rod room.1 outer surface of static side copper conduct piece is equipped with semi-conductive buffer layer 8, and moved end copper conduct piece 3 connects grading ring in moved end
3.1 are equipped with semi-conductive buffer layer with part copper piece surface other than inner part and the equal casting die 3.2 of pull rod.
Semi-conductive buffer layer main function be eliminate tip, burr etc. existing for electric conductor surface influence shelf depreciation because
Element；Simultaneously in electric conductor adstante febre, the stress because expanding with heat and contract with cold between bring solid insulating material and electric conductor is buffered, is avoided
Generate gap and solid insulating material cracking.The resistance value of semi-conductive buffer layer is between 3000 ohm to 6000 ohm.Partly lead
Electric buffer layer thickness is between 0.5-5 millimeters.The main component of semi-conductive buffer layer is carbon dust and silicon rubber.Semi-conductive buffer layer
Carbon dust is added after mixing using silicon rubber liquid, electric conductor sealing position is sprayed on, then solidifies, then to the buffering after solidification
Layer outer surface sandblasting polishing, cleaning carry out sealing finally by compression moulding die is packed into.
The beneficial effects of the present invention are: 1, using vacuum interrupter and solid insulating material, reduce circuit breaker polar
Volume；2, pole uses equal casting die and semi-conductive screen ground plane, reduces the partial discharge quantity of product；Electric conductor and sealing
Semi-conductive buffer layer is used between material, is improved the ability of reply temperature rise, is improved the insulation life of product；3, wave is sealed
Line set improves the dust-proof ability with steam in pull rod room, improves the reliability of product.
Embodiment 2
Solid insulating material selects epoxy resin.Equal casting die selects the stainless (steel) wire production of 0.5 millimeters thick.
Remaining is the same as embodiment 1.
Embodiment 3
Solid insulating material selects ethylene propylene diene rubber.Equal casting die selects carbon fiber to pass through mold processing and fabricating, equal casting die thickness
1-2 millimeters.
Claims (7)
1. a kind of rail traction line-breaker pole, including static side copper conduct piece (1), vacuum interrupter (2), moved end copper are conductive
Part (3), pull rod room (9), semi-conductive buffer floor (8), semiconductive shielding layer (10), it is characterised in that: static side copper conduct piece (1)
It tightens together with the static side copper piece of vacuum interrupter (2), moved end copper conduct piece (3) is fixed on the moved end of vacuum interrupter and leads to
The copper conduct piece (3) for crossing spring touch finger and moved end connects；Static side connector (6) are arranged at circuit breaker polar top, there is static side flange
(6.1) and static side male cone (strobilus masculinus) (6.2)；Have between static side flange (6.1) and static side copper conduct piece (1) electrified sensor (7), charges
Sensor (7) is more than the boundary line of static side male cone (strobilus masculinus) (6.2) and static side flange (6.1)；Moved end copper conduct piece (3) and inner conical surface bottom
There is moved end to connect grading ring (3.1) in portion；Moved end copper conduct piece (3) is equipped with the equal casting die of pull rod (3.2).
2. line-breaker pole is drawn on road as described in claim 1, it is characterised in that: Open Side Down for the equal casting die of pull rod (3.2),
And when being cut-off more than vacuum interrupter pull rod and moved end copper piece joint face.
3. traction line-breaker pole in road as described in claim 1 is standby, it is characterised in that: static side copper conduct piece (1) outer surface
Equipped with semi-conductive buffer layer (8), moved end copper conduct piece (3) is in moved end connection grading ring (3.1) with inner part and the equal casting die of pull rod
(3.2) part copper piece surface is equipped with semi-conductive buffer layer other than.
4. line-breaker pole is drawn on road as claimed in claim 3, it is characterised in that: the main component of semi-conductive buffer layer is
Carbon dust and silicon rubber, the resistance value of semi-conductive buffer layer (3.11) is between 3000 ohm to 6000 ohm, semi-conductive buffer layer
Thickness is between 0.5-5 millimeters.
5. line-breaker pole is drawn on road as described in claim 1, it is characterised in that: circuit breaker polar lower part is equipped with pull rod room
(9), the tapered structure in pull rod room, pull rod chamber internal surface have skirt (9.1).
6. line-breaker pole is drawn on road as claimed in claim 5, it is characterised in that: on circuit breaker polar flange in the bottom (11)
Equipped with equipped with radiation fins groove (11.1).
7. line-breaker pole is drawn on road as described in claim 1, it is characterised in that: semi-conductive buffer layer uses silastic liquid
Body adds carbon dust after mixing, is sprayed on electric conductor sealing position, then solidifies, then to the buffer layer outer surface sandblasting after solidification
Polishing, cleaning carry out sealing finally by compression moulding die is packed into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910191341.4A CN109841449B (en) | 2019-03-14 | 2019-03-14 | Railway traction line breaker pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910191341.4A CN109841449B (en) | 2019-03-14 | 2019-03-14 | Railway traction line breaker pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109841449A true CN109841449A (en) | 2019-06-04 |
| CN109841449B CN109841449B (en) | 2020-07-17 |
Family
ID=66885730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910191341.4A Active CN109841449B (en) | 2019-03-14 | 2019-03-14 | Railway traction line breaker pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109841449B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137840A (en) * | 2019-06-21 | 2019-08-16 | 北海银河开关设备有限公司 | High-tension switch gear flange connecting apparatus |
| CN110265256A (en) * | 2019-07-16 | 2019-09-20 | 北海银河开关设备有限公司 | A kind of railway power supply route high voltage isolator |
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| CN201868317U (en) * | 2010-09-02 | 2011-06-15 | 广西银河迪康电气有限公司 | Solid-sealed pole of circuit breaker |
| CN201877746U (en) * | 2010-08-06 | 2011-06-22 | 广西银河迪康电气有限公司 | Connecting device of solid insulating elements |
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| 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 |
| WO2018122630A1 (en) * | 2016-12-29 | 2018-07-05 | Abb Schweiz Ag | Contact assembly for a switchgear |
| CN209675186U (en) * | 2019-03-14 | 2019-11-22 | 北海银河开关设备有限公司 | A kind of rail traction line-breaker pole |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201877746U (en) * | 2010-08-06 | 2011-06-22 | 广西银河迪康电气有限公司 | Connecting device of solid insulating elements |
| CN201868317U (en) * | 2010-09-02 | 2011-06-15 | 广西银河迪康电气有限公司 | Solid-sealed pole of circuit breaker |
| CN103050325A (en) * | 2012-12-20 | 2013-04-17 | 云南云开电气股份有限公司 | Pole component of solid insulation switch equipment |
| 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 |
| WO2018122630A1 (en) * | 2016-12-29 | 2018-07-05 | Abb Schweiz Ag | Contact assembly for a switchgear |
| CN209675186U (en) * | 2019-03-14 | 2019-11-22 | 北海银河开关设备有限公司 | A kind of rail traction line-breaker pole |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137840A (en) * | 2019-06-21 | 2019-08-16 | 北海银河开关设备有限公司 | High-tension switch gear flange connecting apparatus |
| CN110137840B (en) * | 2019-06-21 | 2023-06-02 | 北海银河开关设备有限公司 | Flange connecting device of high-voltage switch equipment |
| CN110265256A (en) * | 2019-07-16 | 2019-09-20 | 北海银河开关设备有限公司 | A kind of railway power supply route high voltage isolator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109841449B (en) | 2020-07-17 |
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Effective date of registration: 20210408 Address after: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI YINHE DECOM ELECTRIC Co.,Ltd. Address before: No. 11, Xizang Road, Haicheng District, Beihai City, Guangxi Zhuang Autonomous Region Patentee before: BEIHAI GALAXY SWITCH DEVICES Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210902 Address after: 225000 in Zhongman power Jiangsu Co., Ltd., Zhongman Road, high tech Development Zone, Yangzhou City, Jiangsu Province Patentee after: Jiangsu deyidikang Technology Co.,Ltd. Address before: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI YINHE DECOM ELECTRIC Co.,Ltd. |
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Effective date of registration: 20211207 Address after: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee after: Dikang Electric Co.,Ltd. Address before: 225000 in Zhongman power Jiangsu Co., Ltd., Zhongman Road, high tech Development Zone, Yangzhou City, Jiangsu Province Patentee before: Jiangsu deyidikang Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |