CN102280304B - Moving contact assembly and intelligent electromagnetic isolation driving switch applying same - Google Patents
Moving contact assembly and intelligent electromagnetic isolation driving switch applying same Download PDFInfo
- Publication number
- CN102280304B CN102280304B CN2011101646192A CN201110164619A CN102280304B CN 102280304 B CN102280304 B CN 102280304B CN 2011101646192 A CN2011101646192 A CN 2011101646192A CN 201110164619 A CN201110164619 A CN 201110164619A CN 102280304 B CN102280304 B CN 102280304B
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- Prior art keywords
- moving contact
- permanent
- insulation cavity
- fixed
- iron core
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- 238000002955 isolation Methods 0.000 title claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
Images
Classifications
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- 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
- H01H33/666—Operating arrangements
- H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
-
- 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
-
- 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
- H01H33/666—Operating arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a moving contact assembly for realizing separating brake or switching on of the moving contact of a breaker, characterized by comprising: a movable iron core, two permanent magnetic steels and a separating and closing coil, wherein the movable iron core is arranged between the two permanent magnetic steels and is fixed on the moving contact, the middle parts of the permanent magnetic steels are provided with first through holes, the moving contact is sleeved in the first through holes, and the separating and closing coil is arranged on an outer wall of an insulation cavity. The invention also discloses an intelligent electromagnetic isolation driving switch applying the moving contact assembly.
Description
Technical field
The present invention relates to a kind of electrical circuitry equipment technology, specifically, relate to the electromagnetic isolation driving intelligent switch of a kind of moving contact component and application moving contact component thereof.
Background technology
The effect of switch is cut off and connect circuit, and the disengagement failure circuit.Vacuum switch because of its arc-extinguishing medium and arc extinguishing after the dielectric in contact gap be all that high vacuum is gained the name, its have volume little, lightweight, be applicable to the advantages such as frequent operation, arc control device need not overhaul, application is comparatively universal in power distribution network.Vacuum circuit-breaker mainly comprises three parts: vacuum interrupter (vacuum bubbles), electromagnetism or spring operating mechanism, support and drive system thereof.
Vacuum switch has many mechanical parameters, as closing speed, opening velocity, contact travel, contact combined floodgate bounce time, contact separating brake bounce-back amplitude etc.Existing vacuum switch is mainly used in below 35KV, and 110KV and above circuit breaker, because stroke lengthens, a lot of problems occur, and Mechanical Reliability and mechanical endurance are very good not enough.
Summary of the invention
Technical problem solved by the invention is to provide a kind of moving contact component, has improved transmission efficiency and reliability.
Technical scheme is as follows:
A kind of moving contact component, be used to separating brake or the combined floodgate of realizing switch or moving contact of breaker, comprise moving iron core, two permanent-magnet steels and divide-shut brake coil; It is indoor that described moving iron core and permanent-magnet steel are arranged on the mechanism that isolates of insulation cavity, described mechanism chamber interior vacuum; Described moving iron core is between described two permanent-magnet steels, described moving iron core is fixed on described moving contact, described permanent-magnet steel middle part has the first through hole, and described moving contact is sleeved in described the first through hole, and described divide-shut brake coil is arranged on the outer wall of described insulation cavity.
Further: the inwall of described insulation cavity is provided with insulated support, and described permanent-magnet steel is fixed on described insulated support.
Another technical problem solved by the invention is to provide a kind of electromagnetic isolation driving intelligent switch of applying moving contact component, has improved transmission efficiency and reliability.
Technical scheme is as follows:
A kind of electromagnetic isolation driving intelligent switch of applying moving contact component, comprise the insulation cavity, moving contact, insulated support and electrode tie rod, described moving contact is arranged on described insulation inside cavity, the outer wall of described insulated support is fixed on the inwall of described insulation cavity, described electrode tie rod is fixed on the end of described insulation cavity, also comprise moving contact component, described moving contact component comprises the divide-shut brake coil, moving iron core and two permanent-magnet steels, described moving iron core and two permanent-magnet steels are arranged on the inside of described insulation cavity, described permanent-magnet steel is fixed on described insulated support, described permanent-magnet steel has the first through hole, and described moving contact is sleeved in described the first through hole, and an end of described moving contact and described electrode tie rod are electrically connected to, described moving iron core is arranged between two blocks of described permanent-magnet steels, and described moving iron core is fixed on described moving contact, described divide-shut brake coil is arranged on the outer wall of insulation cavity.
Further: on described insulation cavity, be provided with two groups of moving contact components.
Further: the outer side edges of described permanent-magnet steel is along being fixed on described insulated support.
Further: described insulation inside cavity is provided with plum blossom connector and copper strutting piece, described electrode tie rod is provided with annular projection, described plum blossom connector is fixed on described annular projection, described plum blossom connector has third through-hole, described moving contact is sleeved in described third through-hole, and described moving contact and described plum blossom connector are electrically connected to; Described copper strutting piece is between described plum blossom connector and described permanent-magnet steel, the outer side edges of described copper strutting piece is along being fixed on described insulated support, described copper strutting piece has the second through hole, described moving contact is sleeved in described the second through hole, and another end of described moving contact extends to the outside of described copper strutting piece.
Further: on the outer wall of described insulation cavity, be provided with solid insulation, described solid insulation has groove in the position corresponding to described permanent-magnet steel, and described divide-shut brake coil is fixed in described groove.
Further: the inner vacuum of described insulation cavity, the arranged outside of described permanent-magnet steel has bellows, and described bellows is provided with fourth hole, and described moving contact is sleeved in described fourth hole; Described bellows is divided into arc control device and mechanism chamber by the inner space of described insulation cavity, and it is indoor that described moving iron core and permanent-magnet steel are arranged on described mechanism.
Further: described arc control device are provided with radome, and described radome is fixed on the inwall of described insulation cavity, and the stroke of the length of described radome and two moving contacts adapts.
Technique effect comprises:
1,, in prior art, in the vacuum extinction outdoor, be opening a sluice gate or closing a floodgate by machine driven system driving switch contact due to operating mechanism; In the present invention, operating mechanism directly is connected with vacuum interrupter, the insulated cavity that is encapsulated in an integral body is external, and drive coil is in the insulation cavity, with the moving component electrical isolation, omitted machine driven system, improved transmission efficiency, reduced component number, complete machine is not only simple in structure, and the reliability raising, the metal material use amount reduces.
2, with respect to Mechanical Driven, the present invention has omitted drive system, and moving-mass reduces greatly, thus the present invention make operating mechanism open a sluice gate/closing speed is fast.
3, in the present invention, the divide-shut brake coil is arranged on the insulated cavity external body, efficiently solves Insulation Problems, can effectively solve the large problem of action equipment volume simultaneously.
The accompanying drawing explanation
Fig. 1 is the structural representation of electromagnetic isolation driving intelligent switch in the present invention;
Fig. 2 is the state diagram of moving contact when "on" position in the present invention.
Embodiment
Below with reference to accompanying drawing and preferred embodiment, technical solution of the present invention is described in detail.
Moving contact component in the present invention can be widely used in various circuit breaker and switches with moving contact, can effectively reduce equipment volume.The structure of moving contact component comprises: moving iron core, permanent-magnet steel, divide-shut brake coil; Wherein, moving iron core is fixed on moving contact, opens a sluice gate or closes a floodgate be used to driving moving contact; Is provided with through hole in the middle of permanent-magnet steel, moving contact is sleeved in this through hole, and permanent-magnet steel is fixed on the inwall of insulation cavity, or is fixed on the insulated support of inwall of insulation cavity; The divide-shut brake coil is arranged on the outside of insulation cavity, provides electromagnetic field for giving moving iron core.
Below with reference to the preferred embodiment electromagnetic isolation driving intelligent switch, the application of technical solution of the present invention is described in detail.
As shown in Figure 1, be the structure chart of electromagnetic isolation driving intelligent switch in the present invention.The structure of electromagnetic isolation driving intelligent switch comprises: electrode tie rod 1, moving contact 2, plum blossom connector 3, moving iron core 4, permanent-magnet steel 5, radome 6, insulation cavity 7, insulated support 8, copper strutting piece 9, divide-shut brake coil 10, solid insulation 11 and bellows 12.Because electromagnetic isolation driving intelligent switch is provided with two moving contacts 2, so unit, two of the left and right of electromagnetic isolation driving intelligent switch is symmetrical, electrode tie rod 1, moving contact 2, plum blossom connector 3, moving iron core 4, permanent-magnet steel 5, radome 6, insulated support 8, copper strutting piece 9, divide-shut brake coil 10, solid insulation 11 and bellows 12 are separately positioned on the unit, two of left and right of insulation cavity 7, and each unit comprises one group.To the insulate inner space of cavity 7 of bellows 12 is isolated into arc control device 14 and mechanism chamber 13.Arc control device 14 are positioned at the middle part of insulation cavity 7, and mechanism chamber 13 is positioned at arc control device 14 both sides, and moving iron core 4, permanent-magnet steel 5 are arranged in mechanism chamber 13.
The inside of insulation cavity 7 vacuumizes, and two electrode tie rods 1 are separately fixed at the two ends of insulation cavity 7, and electrode tie rod 1 is provided with annular projection, forms a pit at the middle part of annular projection, and insulated support 8 is arranged on the inwall of insulation cavity 7; Moving contact 2 is arranged on the inside of insulation cavity 7, and when moving contact 2 is in while opening a sluice gate state, end and the electrode tie rod 1 of moving contact 2 contact, and top is in the pit in the middle of electrode tie rod 1; Plum blossom connector 3 is fixed on the annular projection of electrode tie rod 1, plum blossom connector 3 at one end has through hole, and moving contact 2 is sleeved on this through hole, no matter at the state of opening a sluice gate or in "on" position, moving contact 2 is realized being electrically connected to plum blossom connector 3 all the time, is in conducting state; Copper strutting piece 9 is between plum blossom connector 3 and permanent-magnet steel 5, and the outer side edges of copper strutting piece 9 is along being fixed on insulated support 8, and the centre of copper strutting piece 9 has through hole, and moving contact 2 is sleeved on this through hole, and another end of moving contact 2 is positioned at arc control device 14; Two blocks of permanent-magnet steels 5 are arranged in mechanism chamber 13, and the outer side edges of permanent-magnet steel 5 is along being fixed on insulated support 8, and the centre of permanent-magnet steel 5 has through hole, and moving contact 2 is sleeved on this through hole; Moving iron core 4 is arranged between two blocks of permanent-magnet steels 5, and moving iron core 4 is fixed on the outer wall of moving contact 2; Solid insulation 11 arranges on the outer wall of insulation cavity 7, and solid insulation 11 has groove in the position corresponding to permanent-magnet steel 5, and divide-shut brake coil 10 is arranged in this groove; Radome 6 is arranged on arc control device 14, and radome 6 is fixed on the inwall of insulation cavity 7, and the stroke of the length of radome 6 and two moving contacts 2 adapts; To the insulate inner space of cavity 7 of bellows 12 is divided into mechanism chamber 13 and arc control device 14, and bellows 12 has through hole, and moving contact 2 is sleeved in this through hole, because mechanism chamber 13 is different with the vacuum degree of arc control device 14, and 12 buffer actions of bellows.
As shown in Figure 2, be the state diagram of moving contact when "on" position in the present invention.The N utmost point of two blocks of permanent-magnet steels 5 is relative with the S utmost point, and when being in while opening a sluice gate state, moving iron core 4 is adsorbed near on the permanent-magnet steel 5 of electrode tie rod 1 one sides.
When needs closed a floodgate, divide-shut brake coil 10 was switched on and is formed ，Gai magnetic field, magnetic field and gives 4 one of moving iron cores to reciprocal power, and when being in "on" position, moving iron core 4 is adsorbed on the permanent-magnet steel 5 away from electrode tie rod 1 one sides.
In addition, utilize the principle of the invention, electromagnetic isolation driving intelligent switch can be designed to a moving contact 2 and a fixed contact, only need to retain a moving contact component and get final product, or, can be arranged to the two drivings of two contacts, also can be arranged to an end contact and fix, the structure that an end contact drives.Insulation cavity 7 inside can vacuumize, fill and using low pressure SF6 gas, high-purity N 2 or SF6 mist as dielectric.
Claims (9)
1. moving contact component, separating brake or combined floodgate be used to realizing switch or moving contact of breaker is characterized in that: comprise moving iron core, two permanent-magnet steels and divide-shut brake coil; It is indoor that described moving iron core and permanent-magnet steel are arranged on the mechanism that isolates of insulation cavity, described mechanism chamber interior vacuum; Described moving iron core is between described two permanent-magnet steels, described moving iron core is fixed on described moving contact, described permanent-magnet steel middle part has the first through hole, and described moving contact is sleeved in described the first through hole, and described divide-shut brake coil is arranged on the outer wall of described insulation cavity.
2. moving contact component as claimed in claim 1, it is characterized in that: the inwall of described insulation cavity is provided with insulated support, and described permanent-magnet steel is fixed on described insulated support.
3. electromagnetic isolation driving intelligent switch of applying moving contact component, comprise the insulation cavity, moving contact, insulated support and electrode tie rod, described moving contact is arranged on described insulation inside cavity, the outer wall of described insulated support is fixed on the inwall of described insulation cavity, described electrode tie rod is fixed on the end of described insulation cavity, it is characterized in that: also comprise moving contact component, described moving contact component comprises the divide-shut brake coil, moving iron core and two permanent-magnet steels, described moving iron core and two permanent-magnet steels are arranged on the inside of described insulation cavity, described permanent-magnet steel is fixed on described insulated support, described permanent-magnet steel has the first through hole, and described moving contact is sleeved in described the first through hole, and an end of described moving contact and described electrode tie rod are electrically connected to, described moving iron core is arranged between two blocks of described permanent-magnet steels, and described moving iron core is fixed on described moving contact, described divide-shut brake coil is arranged on the outer wall of insulation cavity.
4. the electromagnetic isolation driving intelligent switch of application moving contact component as claimed in claim 3, is characterized in that: on described insulation cavity, be provided with two groups of moving contact components.
5. the electromagnetic isolation driving intelligent switch of application moving contact component as claimed in claim 3 is characterized in that: the outer side edges of described permanent-magnet steel is along being fixed on described insulated support.
6. the electromagnetic isolation driving intelligent switch of application moving contact component as described as claim 3 to 5 any one, it is characterized in that: described insulation inside cavity is provided with plum blossom connector and copper strutting piece, described electrode tie rod is provided with annular projection, described plum blossom connector is fixed on described annular projection, described plum blossom connector has third through-hole, described moving contact is sleeved in described third through-hole, and described moving contact and described plum blossom connector are electrically connected to; Described copper strutting piece is between described plum blossom connector and described permanent-magnet steel, the outer side edges of described copper strutting piece is along being fixed on described insulated support, described copper strutting piece has the second through hole, described moving contact is sleeved in described the second through hole, and another end of described moving contact extends to the outside of described copper strutting piece.
7. the electromagnetic isolation driving intelligent switch of application moving contact component as claimed in claim 6, it is characterized in that: be provided with solid insulation on the outer wall of described insulation cavity, described solid insulation has groove in the position corresponding to described permanent-magnet steel, and described divide-shut brake coil is fixed in described groove.
8. the electromagnetic isolation driving intelligent switch of application moving contact component as claimed in claim 6, it is characterized in that: the inner vacuum of described insulation cavity, the arranged outside of described permanent-magnet steel has bellows, and described bellows is provided with fourth hole, and described moving contact is sleeved in described fourth hole; Described bellows is divided into arc control device and mechanism chamber by the inner space of described insulation cavity, and it is indoor that described moving iron core and permanent-magnet steel are arranged on described mechanism.
9. the electromagnetic isolation driving intelligent switch of application moving contact component as claimed in claim 8, it is characterized in that: described arc control device are provided with radome, described radome is fixed on the inwall of described insulation cavity, and the stroke of the length of described radome and two moving contacts adapts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101646192A CN102280304B (en) | 2011-06-17 | 2011-06-17 | Moving contact assembly and intelligent electromagnetic isolation driving switch applying same |
| PCT/CN2011/076344 WO2012171233A1 (en) | 2011-06-17 | 2011-06-24 | Moving contact component and electromagnetic isolation driving intelligent switch using moving contact component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101646192A CN102280304B (en) | 2011-06-17 | 2011-06-17 | Moving contact assembly and intelligent electromagnetic isolation driving switch applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102280304A CN102280304A (en) | 2011-12-14 |
| CN102280304B true CN102280304B (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101646192A Active CN102280304B (en) | 2011-06-17 | 2011-06-17 | Moving contact assembly and intelligent electromagnetic isolation driving switch applying same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102280304B (en) |
| WO (1) | WO2012171233A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730273A (en) * | 2013-12-20 | 2014-04-16 | 吴江市东泰电力特种开关有限公司 | Double-acting power switch |
| CN103730274A (en) * | 2013-12-20 | 2014-04-16 | 吴江市东泰电力特种开关有限公司 | Double-moving-contact switch device |
| CN105719895A (en) * | 2014-12-02 | 2016-06-29 | 沈阳工业大学 | Vacuum arc-extinguishing chamber of novel double-acting mechanism |
| CN105655194A (en) * | 2014-12-02 | 2016-06-08 | 沈阳工业大学 | Double-acting vacuum arc-extinguishing chamber with permanent magnetic mechanism |
| CN105428146A (en) * | 2015-12-24 | 2016-03-23 | 上海固缘电力科技有限公司 | Solid insulation permanent magnet vacuum circuit breaker |
| CN105551876B (en) * | 2016-02-03 | 2021-04-16 | 中国电力科学研究院 | A fully insulated outdoor vacuum switch based on double-chamber vacuum interrupter |
| CN108010755A (en) * | 2017-12-08 | 2018-05-08 | 资红艳 | A kind of crowbar switch |
| CN109036944B (en) * | 2018-08-20 | 2024-04-02 | 厦门大恒科技有限公司 | Miniature vacuum contact head mechanism and vacuum contact miniature circuit breaker |
| CN110246392B (en) * | 2019-07-04 | 2021-03-23 | 铜仁职业技术学院 | Vocational education teaching training examination device |
| CN112201494A (en) * | 2019-07-08 | 2021-01-08 | 保定钰鑫电气科技有限公司 | On-off mechanism of quick switch and quick switch |
| CN115172093B (en) * | 2022-09-08 | 2022-11-11 | 宁波天安智能电网科技股份有限公司 | Electromagnetic ejection quick switch device |
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| CN1349235A (en) * | 2000-10-16 | 2002-05-15 | 三菱电机株式会社 | Switch device |
| CN200944371Y (en) * | 2006-07-07 | 2007-09-05 | 耐吉科技股份有限公司 | Double-lift vacuum extinction chamber |
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| CN202094043U (en) * | 2011-06-17 | 2011-12-28 | 孟越峰 | Moving contact assembly and electromagnetic isolation driving intelligent switch using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2726396B1 (en) * | 1994-10-31 | 1996-12-13 | Schneider Electric Sa | ELECTRIC VACUUM SWITCH |
| JP2002033034A (en) * | 2000-07-13 | 2002-01-31 | Hitachi Ltd | Switchgear and system switching device using the same |
| JP4409787B2 (en) * | 2001-05-01 | 2010-02-03 | 三菱電機株式会社 | Solid insulation switch |
| CN2570964Y (en) * | 2002-09-19 | 2003-09-03 | 曹剑 | Vacuum circuit breaker operating device |
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- 2011-06-17 CN CN2011101646192A patent/CN102280304B/en active Active
- 2011-06-24 WO PCT/CN2011/076344 patent/WO2012171233A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1349235A (en) * | 2000-10-16 | 2002-05-15 | 三菱电机株式会社 | Switch device |
| CN200944371Y (en) * | 2006-07-07 | 2007-09-05 | 耐吉科技股份有限公司 | Double-lift vacuum extinction chamber |
| CN101901718A (en) * | 2010-07-27 | 2010-12-01 | 国网电力科学研究院 | Direct acting vacuum circuit breaker with bistable permanent magnet operating mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102280304A (en) | 2011-12-14 |
| WO2012171233A1 (en) | 2012-12-20 |
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