CN109545614A - A kind of pole of middle pressure Intelligent metal sealed switch equipment vacuum circuit breaker - Google Patents
A kind of pole of middle pressure Intelligent metal sealed switch equipment vacuum circuit breaker Download PDFInfo
- Publication number
- CN109545614A CN109545614A CN201811564928.7A CN201811564928A CN109545614A CN 109545614 A CN109545614 A CN 109545614A CN 201811564928 A CN201811564928 A CN 201811564928A CN 109545614 A CN109545614 A CN 109545614A
- Authority
- CN
- China
- Prior art keywords
- pole
- vacuum interrupter
- current transformer
- static terminal
- voltage
- 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.)
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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
-
- 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
- H01H33/6606—Terminal arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The pole of Intelligent metal sealed switch equipment vacuum circuit breaker is pressed in one kind disclosed by the invention, including the vacuum interrupter as breaker main switch element, pole static terminal, pole moved end, flexible connection and insulated pull rod, it is characterized in that, it further include current transformer and voltage sensor, current transformer is placed between pole moved end and pole static terminal, voltage sensor is placed in pole static terminal side, the high-voltage end of voltage sensor is connected with pole static terminal, other end extraction voltage signal wire, for voltage signal to be transferred to measuring instrumentss；Current transformer and voltage sensor sealing are in the epoxy resin body part of pole.The invention enables use the breaker of the type pole not only to have the switch basic function of folding circuit but also had both the current transformer of measurement voltage signal and measurement current signal.Realize miniaturization, integrated switch element.
Description
Technical field
The present invention relates to breaker pole technical fields, and in particular to intelligent metal enclosed switch is pressed in one kind
The pole of equipment vacuum breaker.
Background technique
The metal enclosed withdrawing switch apparatus of 12kV armored is that switch the most commonly used in electrical power trans mission/distribution system is pressed in China
Equipment, which is mainly made of cable vault, switch gear room, bus-bar room, control room etc., using air as dielectric,
Structure is simple, and five anti-chain functions are complete, easy-to-operate, maintenance convenience, therefore welcomes by electrical power trans mission/distribution system user.
Its main switch generally selects the vacuum circuit breaker for being widely used in medium voltage switchgear equipment as main switchgear, and the type vacuum is disconnected
Vacuum interrupter and corresponding outlet terminal sealing up and down are generally coated on an epoxy resin as insulation and mechanical support by road device
Insulator in main switch element as breaker.Voltage transformer and measurement of the type switchgear for measurement voltage signal
Current signal and the current transformer for generating protection signal are usually both mounted in the cable vault of switchgear.Not only volume it is larger and
And cable vault's topology layout is complicated, is unfavorable for development of the switchgear to miniaturization, modularization and intelligent direction.
Summary of the invention
Technical problem to be solved by the present invention lies in be directed to the existing metal enclosed withdrawing switch apparatus of 12kV armored
In for measurement voltage signal voltage transformer and measurement current signal and generate protection signal current transformer usually all
It is placed in the cable vault of switchgear, not only volume is larger but also cable vault's topology layout is complicated, is unfavorable for switchgear to small
The problem of development of type, modularization and intelligent direction and pressure Intelligent metal sealed switch equipment breaker is provided in one kind
Pole, to solve the metal enclosed withdrawing switch apparatus breaker integrated current mutual inductor of 12kV armored and voltage
Sensor realizes the problem of electric current, voltage signal acquisition.
The technical problems to be solved by the invention can be achieved through the following technical solutions:
A kind of pole of middle pressure Intelligent metal sealed switch equipment vacuum circuit breaker, including as breaker master
Vacuum interrupter, pole static terminal, pole moved end, flexible connection and the insulated pull rod of switch element, the vacuum
Arc-chutes, pole static terminal, the sub- sealing in pole moved end are in the epoxy resin body part of pole, the flexible connection
In the epoxy resin body part of one end merging pole of insulated pull rod, the pole static terminal is made of conductive material
And realize that connection is used for the electrical connection of vacuum interrupter and external current conductor with the static side of vacuum interrupter；The pole
Realize connection for vacuum interrupter and outer in the moved end that moved end was made of conductive material and passed through flexible connection and vacuum interrupter
The electrical connection of portion's electric conductor；One end of the insulated pull rod is connect with the moved end of the vacuum interrupter, which is characterized in that also
Including current transformer and voltage sensor, the current transformer be placed in pole moved end and pole static terminal it
Between, the voltage sensor is placed in pole static terminal side, the high-voltage end of the voltage sensor and the pole
Static terminal is connected, other end extraction voltage signal wire, for voltage signal to be transferred to measuring instrumentss；The current transformer and
Voltage sensor sealing is in the epoxy resin body part of pole.
In being preferably implemented at of the invention one, the current transformer is cyclic annular electromagnetic current transducer, is centered around
Around the vacuum interrupter.
In being preferably implemented at of the invention one, the voltage sensor is made of ceramic capacitor.
In being preferably implemented at one of the invention, the vacuum interrupter and the dynamic and static terminal series-shunt of pole at lead
Electrical circuit is its primary coil, and current transformer is that secondary coil is centered around vacuum interrupter periphery, for incuding primary line
Circle is that the value generation current signal of electric current in vacuum interrupter sends measuring instrumentss or protective device to.
In being preferably implemented at one of the invention, be coated on vacuum interrupter and moved end, static terminal, current transformer and
Epoxy resin body part except voltage sensor is by epoxide resin material through die casting in vacuum interrupter and moved end, static side
Except son, current transformer and voltage sensor, for providing vacuum interrupter and pole moved end, pole static side
The mechanical support of sub, current transformer and voltage sensor simultaneously provides insulation of these parts over the ground or between part.
Due to using technical solution as above, the present invention provides press Intelligent metal sealed switch equipment true in one kind
The pole of empty breaker, the main switch as vacuum circuit breaker in the metal enclosed withdrawing switch apparatus of 12kV armored
Element.So that not only there is the switch basic function of folding circuit using the breaker of the type pole but also had both measurement
The current transformer of voltage signal and measurement current signal.Realize miniaturization, integrated switch element.
The pole of Intelligent metal sealed switch equipment vacuum circuit breaker is pressed to pass through one in one kind of the invention
Current transformer and a capacitive divided voltage sensor and vacuum interrupter are cast in a breaker pole jointly
It is interior, so that traditional solid sealed pole of vacuum circuit breaker has the function of electric current, voltage value measurement, the output of current protection signal,
The functions such as electric current, voltage measurement and current protection signal on original switchgear are integrated into consolidating for intelligent vacuum circuit breaker
On sealed pole, so that switchgear integral layout is simpler, function is more perfect.
Press the pole of Intelligent metal sealed switch equipment vacuum circuit breaker by electric current in one kind through the invention
Mutual inductor and voltage sensor have been integrated into the pole of conventional circuit breaker, that is, in switching equipment by script installation
Current transformer and the function of voltage transformer be integrated into vacuum circuit breaker major components, enormously simplify switch cabinet
Structure, current transformer and the signal collected input that can be convenient of voltage sensor are located at the type vacuum circuit breaker mechanism cabinet
Interior protection location carries out processing or teletransmission, to carry out modularization, intelligence.
Detailed description of the invention
Fig. 1 is that the pole structure of the metal enclosed withdrawing switch apparatus vacuum circuit breaker of tradition 12kV armored is shown
It is intended to.
Fig. 2 is the structural representation that the pole of Intelligent metal sealed switch equipment vacuum circuit breaker is pressed in the present invention
Figure.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail.
Referring to Fig. 1, the metal enclosed withdrawing switch apparatus vacuum circuit breaker of tradition 12kV armored shown in figure
Pole, including vacuum interrupter 1, pole static terminal 2, pole moved end as breaker main switch element
3, flexible connection 4 and insulated pull rod 6, vacuum interrupter 1, pole static terminal 2, sub 3 sealings in pole moved end are in sealing pole
In the epoxy resin body part 5 of column, in the epoxy resin body part 6 of one end merging pole of flexible connection 4 and insulated pull rod 5, Gu
Sealed pole static terminal 2 is made of conductive material and with the static side 1a of vacuum interrupter 1 realization connection for vacuum interrupter 1 and outside
The electrical connection of portion's electric conductor；Pole moved end 3 is made of conductive material and passes through flexible connection 4 and vacuum interrupter 1
Moved end 1b realizes that connection is used for the electrical connection of vacuum interrupter 1 and external current conductor；One end of insulated pull rod 5 and vacuum extinction
The moved end 1b connection of room 1.Vacuum interrupter 1, pole static terminal 2, pole moved end 3, flexible connection 4 form conductive return
Road folding is realized by vacuum interrupter 1.Insulation and mechanical support are provided by epoxy resin body 5, is connected to by insulated pull rod 6
Driving mechanism, by mechanism driving (driving mechanism can be there are many form, and this programme does not provide) vacuum interrupter folding circuit.This
Quasi-tradition breaker pole only has switching circuit function.
Referring to fig. 2, it is shown in figure it is middle pressure Intelligent metal sealed switch equipment vacuum circuit breaker pole with
The difference of the pole of traditional metal enclosed withdrawing switch apparatus vacuum circuit breaker of 12kV armored is: further including electricity
Current transformer 7 and voltage sensor 8, current transformer 7 are placed between pole moved end 3 and pole static terminal 2, electricity
Pressure sensor 8 is placed in the rear portion of pole static terminal 2, and the high-voltage end of voltage sensor 8 is connected with pole static terminal 2,
Other end extraction voltage signal wire 9, for voltage signal to be transferred to measuring instrumentss；Current transformer 7 and voltage sensor 8 are solid
It is enclosed in the epoxy resin body part 5 of pole.
Current transformer 7 is cyclic annular electromagnetic current transducer, is centered around around vacuum interrupter 1.Voltage sensor 8 by
Ceramic capacitor composition.
The galvanic circle that vacuum interrupter 1 and pole moved end 3, pole static terminal 2 are connected into is one
Secondary coil, current transformer 7 is that secondary coil is centered around 1 periphery of vacuum interrupter, for incuding primary coil i.e. vacuum extinction
The value of electric current generates current signal and sends measuring instrumentss or protective device in room 1.
It is coated on vacuum interrupter 1 and pole moved end 3, pole static terminal 2, current transformer 7 and voltage
Epoxy resin body part 5 except sensor 8 is by epoxide resin material through die casting in vacuum interrupter 1 and pole moved end
Except son 3, pole static terminal 2, current transformer 7 and voltage sensor 8, for providing vacuum interrupter 1 and sealing pole
Column moved end 3, pole static terminal 2, current transformer 7 and voltage sensor 8 mechanical support and these parts pair are provided
Insulation between ground or part.
Claims (5)
1. pressing the pole of Intelligent metal sealed switch equipment vacuum circuit breaker in one kind, including opened as breaker master
Vacuum interrupter, pole static terminal, pole moved end, flexible connection and insulated pull rod, the vacuum for closing element are gone out
Arc chamber, pole static terminal, the sub- sealing in pole moved end in the epoxy resin body part of pole, the flexible connection and
In the epoxy resin body part of one end merging pole of insulated pull rod, the pole static terminal is made of simultaneously conductive material
Realize that connection is used for the electrical connection of vacuum interrupter and external current conductor with the static side of vacuum interrupter；The pole is dynamic
Terminal is made of conductive material and passes through flexible connection and the moved end of vacuum interrupter realizes connection for vacuum interrupter and outside
The electrical connection of electric conductor；One end of the insulated pull rod is connect with the moved end of the vacuum interrupter, which is characterized in that is also wrapped
Include current transformer and voltage sensor, the current transformer be placed in pole moved end and pole static terminal it
Between, the voltage sensor is placed in pole static terminal side, the high-voltage end of the voltage sensor and the pole
Static terminal is connected, other end extraction voltage signal wire, for voltage signal to be transferred to measuring instrumentss；The current transformer and
Voltage sensor sealing is in the epoxy resin body part of pole.
2. the pole of Intelligent metal sealed switch equipment vacuum circuit breaker is pressed in one kind as described in claim 1,
It is characterized in that, the current transformer is cyclic annular electromagnetic current transducer, it is centered around around the vacuum interrupter.
3. the pole of Intelligent metal sealed switch equipment vacuum circuit breaker is pressed in one kind as described in claim 1,
It is characterized in that, the voltage sensor is made of ceramic capacitor in being preferably implemented at of the invention one.
4. the pole of Intelligent metal sealed switch equipment vacuum circuit breaker is pressed in one kind as described in claim 1,
It is characterized in that, the vacuum interrupter and the dynamic and static terminal series-shunt of pole at galvanic circle be its primary coil, electricity
Current transformer is that secondary coil is centered around vacuum interrupter periphery, for incuding the value of electric current in primary coil i.e. vacuum interrupter
It generates current signal and sends measuring instrumentss or protective device to.
5. the pole of Intelligent metal sealed switch equipment vacuum circuit breaker is pressed in one kind as described in claim 1,
It is characterized in that, being coated on the asphalt mixtures modified by epoxy resin except vacuum interrupter and moved end, static terminal, current transformer and voltage sensor
Rouge body part is passed through die casting in vacuum interrupter and moved end, static terminal, current transformer and voltage by epoxide resin material
Except sensor, passed for providing vacuum interrupter and pole moved end, pole static terminal, current transformer and voltage
The mechanical support of sensor simultaneously provides insulation of these parts over the ground or between part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564928.7A CN109545614A (en) | 2018-12-20 | 2018-12-20 | A kind of pole of middle pressure Intelligent metal sealed switch equipment vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564928.7A CN109545614A (en) | 2018-12-20 | 2018-12-20 | A kind of pole of middle pressure Intelligent metal sealed switch equipment vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109545614A true CN109545614A (en) | 2019-03-29 |
Family
ID=65856097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811564928.7A Withdrawn CN109545614A (en) | 2018-12-20 | 2018-12-20 | A kind of pole of middle pressure Intelligent metal sealed switch equipment vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109545614A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864927A (en) * | 2021-02-26 | 2021-05-28 | 陕西秦之基智能科技有限公司 | Mining explosion-proof and intrinsically safe power distribution device and interconnection power distribution device |
| US20220392723A1 (en) * | 2019-10-29 | 2022-12-08 | Tavrida Electric Holding Ag | Voltage sensor for electrical switchgear and electrical switchgear comprising same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354631A (en) * | 2011-09-28 | 2012-02-15 | 江苏中成辉锐电气有限公司 | Outdoor embedded pole |
| CN202159623U (en) * | 2011-08-19 | 2012-03-07 | 珠海许继电气有限公司 | Pole-type permanent magnet vacuum circuit breaker |
| CN202363347U (en) * | 2011-11-03 | 2012-08-01 | 北京电研华源电力技术有限公司 | Packed pole for outdoor vacuum circuit breaker |
| CN202405168U (en) * | 2011-12-31 | 2012-08-29 | 北京华电瑞通电力工程技术有限公司 | Intelligent integrated solid-sealed polar pole |
| CN102779680A (en) * | 2012-07-17 | 2012-11-14 | 江苏尔悦电力设备有限公司 | Solid-sealed polar pole with internally casting current transformer |
| CN103269032A (en) * | 2013-06-14 | 2013-08-28 | 北京合纵科技股份有限公司 | Outdoor high-voltage solid insulation on-pole switch platform |
| CN206271609U (en) * | 2016-12-29 | 2017-06-20 | 青岛特锐德电气股份有限公司 | A kind of medium pressure gas insulated metal closed switch equipment |
| CN207624612U (en) * | 2017-12-20 | 2018-07-17 | 武汉飞特电气有限公司 | A kind of solid sealed pole of vacuum circuit breaker |
-
2018
- 2018-12-20 CN CN201811564928.7A patent/CN109545614A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202159623U (en) * | 2011-08-19 | 2012-03-07 | 珠海许继电气有限公司 | Pole-type permanent magnet vacuum circuit breaker |
| CN102354631A (en) * | 2011-09-28 | 2012-02-15 | 江苏中成辉锐电气有限公司 | Outdoor embedded pole |
| CN202363347U (en) * | 2011-11-03 | 2012-08-01 | 北京电研华源电力技术有限公司 | Packed pole for outdoor vacuum circuit breaker |
| CN202405168U (en) * | 2011-12-31 | 2012-08-29 | 北京华电瑞通电力工程技术有限公司 | Intelligent integrated solid-sealed polar pole |
| CN102779680A (en) * | 2012-07-17 | 2012-11-14 | 江苏尔悦电力设备有限公司 | Solid-sealed polar pole with internally casting current transformer |
| CN103269032A (en) * | 2013-06-14 | 2013-08-28 | 北京合纵科技股份有限公司 | Outdoor high-voltage solid insulation on-pole switch platform |
| CN206271609U (en) * | 2016-12-29 | 2017-06-20 | 青岛特锐德电气股份有限公司 | A kind of medium pressure gas insulated metal closed switch equipment |
| CN207624612U (en) * | 2017-12-20 | 2018-07-17 | 武汉飞特电气有限公司 | A kind of solid sealed pole of vacuum circuit breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220392723A1 (en) * | 2019-10-29 | 2022-12-08 | Tavrida Electric Holding Ag | Voltage sensor for electrical switchgear and electrical switchgear comprising same |
| CN112864927A (en) * | 2021-02-26 | 2021-05-28 | 陕西秦之基智能科技有限公司 | Mining explosion-proof and intrinsically safe power distribution device and interconnection power distribution device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190329 |