CN2676392Y - A permanent magnet low-voltage vacuum contactor - Google Patents
A permanent magnet low-voltage vacuum contactor Download PDFInfo
- Publication number
- CN2676392Y CN2676392Y CN 200320123839 CN200320123839U CN2676392Y CN 2676392 Y CN2676392 Y CN 2676392Y CN 200320123839 CN200320123839 CN 200320123839 CN 200320123839 U CN200320123839 U CN 200320123839U CN 2676392 Y CN2676392 Y CN 2676392Y
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- CN
- China
- Prior art keywords
- permanent magnet
- yoke
- vacuum interrupter
- moving armature
- vacuum contactor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a permanent magnet low-voltage vacuum contactor which comprises a lower line outgoing plate 1, a base 2, a vacuum arc chute 3, a flexible connection 4, a conducting clip 5, a pull rod 6, an opening coil 7, a nonmagnetic conducting gasket 8, an upper magnetic yoke cover 9, a middle yoke plate 10, a permanent magnet 11, an outer magnetic yoke sleeve 12, an inner magnetic yoke sleeve 13, a breaking spring 14, a closing coil 15, a moving armature 16, a contact spring 17, an arresting nut 18, a bumper 19, a force guide bar 20 and an upper line outgoing plate 21. The utility model is suitable for the control technical field of high power low-voltage vacuum contactors. The permanent magnet low-voltage vacuum contactor has the advantages of high security and reliability, electricity saving, long lifetime, reduced failure rate and reduced maintenance cost.
Description
Technical field
The utility model belongs to the confession of electric power system low pressure, distribution technique field, particularly relates to the control technology field of high-power low-voltage vacuum contactor.
Background technology
Traditional high-power lv contactor generally is an air type, and promptly the contact of contactor is to be exposed in the air.The air type probe of contactor is closed during with disjunction because close, the branch time is long, speed is slow, therefore, produces arcing, sprays the arc phenomenon.Such contactor is easily burnt contact and is caused accident, poor stability.Though and existing high-power low-voltage vacuum probe of contactor has adopted vacuum interrupter to replace the air blowout cover at present, arcing, the spray arch problem of electric arc have been solved, but this contactor closure is to keep by the electromagnetic field that electromagnetic operating mechanism produced, and the work operation need be kept coil and switch on for a long time.There are shortcomings such as easy scaling loss, energy consumption height, noise be big in such contactor.
The utility model content
The purpose of this utility model is to overcome above-mentioned many shortcomings, a kind of compact conformation is provided, the magnetic circuit leakage field is little, noise is low, speed is fast, economize on electricity, life-span are long, fail safe and reliability height satisfy and are better than the magneto low-voltage vacuum contactor of electromagnetic type low-voltage vacuum contactor technical conditions fully.It adopts vacuum technique, and the technology that power electronic technology and electromagnetism combine with permanent magnetism has realized contact arc extinguishing in vacuum interrupter, does not have spray arc phenomenon.Permanent magnet mechanism adopts brand-new self-shileding magnetic structure, and Electromagnetic Drive, permanent magnetism keep during work.It had both realized that direct current instantaneously closed, separating brake, can realize that again the pulse power closes, separating brake, can also realize computer networking control.It has improved the fail safe and the reliability of high-power low-voltage vacuum contactor, has reduced failure rate and maintenance cost.
For achieving the above object, the utility model adopts following technical scheme:
A kind of magneto low-voltage vacuum contactor, the low-voltage vacuum contactor that comprise down outlet board, pedestal, vacuum interrupter, be flexible coupling, conductive clip, pull bar, switching winding, non-magnetic conduction packing ring, upper magnet yoke lid, middle yoke plate, permanent magnet, outer yoke cover, inner yoke cover, disjunction spring, closing coil, moving armature, touch spring, stop-nut, cushion pad, power guide post, the vacuum interrupter of going up the outlet board composition and permanent magnet mechanism is one is characterized in that:
1. be fixed by bolts on the pedestal by following outlet board and permanent magnet mechanism shell respectively at above-mentioned vacuum interrupter and permanent magnet mechanism, the input of following outlet board and vacuum interrupter connects, and last outlet board connects with the conductive clip of connection back with the output of vacuum interrupter that be flexible coupling;
2. pass through the pull bar connection of power guide post and vacuum interrupter at the moving armature of above-mentioned permanent magnet mechanism;
3. put switching winding in the window of the upper magnet yoke of above-mentioned permanent magnet mechanism lid, put behind the non-magnetic conduction packing ring with the upper magnet yoke lid together with bolted on circumferential end surfaces on the outer yoke cover on the plane on the centre of middle yoke plate;
4. on the inner periphery of the permanent magnet of above-mentioned permanent magnet mechanism is fixed on the inner yoke cover with high-strength adhesive excircle and middle yoke plate, closing coil is placed in the cavity of outer yoke cover and middle yoke plate formation;
5. in the top cavity of the moving armature of above-mentioned permanent magnet mechanism, put touch spring, put the disjunction spring in the cavity of bottom, the pull bar of the output of the centre bore that overlaps by centre bore, touch spring, the inner yoke of cushion pad, disjunction spring, moving armature behind the fastening stop-nut of the lower end of power guide post, the centre bore of upper magnet yoke lid and vacuum interrupter connects.
The center of the upper magnet yoke of above-mentioned a kind of magneto low-voltage vacuum contactor lid is fallen protruding platform outside dimension and is cooperated correspondingly with outside dimension that inner yoke is overlapped, has antimagnetic short-circuit function.
The middle yoke plate of above-mentioned a kind of magneto low-voltage vacuum contactor is established step and outer yoke cover near circumferential edges and is cooperated correspondingly, and the annular boss in middle part cooperates the corresponding poly-magnetic function that has with moving armature.
Circumferential groove is opened near the circumferential edges place in the upper surface of the moving armature of above-mentioned a kind of magneto low-voltage vacuum contactor, and the width of groove cooperates corresponding with the radial dimension of permanent magnet, and the degree of depth of groove is controlled within the 10mm.
Permanent magnet in the permanent magnet mechanism of the present utility model adopts a plurality of high-coercive force neodymium iron borons watt type magnet to form annulus and is enclosed within on the inner yoke, and purpose is to improve the permanent magnetic energy utilance.
Branch in the permanent magnet mechanism of the present utility model, closing coil all adopt the high-strength polyester enamelled wire and are furnished with skeleton, and purpose is shock resistance, heat-resisting and adaptation different operating environment.
Power guide post in the permanent magnet mechanism of the present utility model not only can adopt non-magnetic conductive metal material but also can adopt steel making more than No. 45, guarantees mechanical strength when purpose is to control manufacturing cost flexibly.
Description of drawings
Fig. 1 is a kind of magneto low-voltage vacuum of the utility model contactor "on" position, with the contactor of one pole as the basis, when producing, can be assembled into 1,2 ... n utmost point contactor.
The first half of Fig. 1 mainly is the vacuum contactor part, and the latter half mainly is the permanent magnet mechanism part.
Include down outlet board 1, pedestal 2, vacuum interrupter 3 among Fig. 1, be flexible coupling 4, conductive clip 5, pull bar 6, switching winding 7, non-magnetic conduction packing ring 8, upper magnet yoke lid 9, middle yoke plate 10, permanent magnet 11, outer yoke cover 12, inner yoke cover 13, disjunction spring 14, closing coil 15, moving armature 16, touch spring 17, stop-nut 18, cushion pad 19, power guide post 20, go up outlet board 21.
Embodiment
The course of work of the utility model embodiment is: during electronic separating brake, impose on switching winding 7 instantaneous reverse currents by external circuit, under the effect that disjunction spring 14 releases energy, the moving contact in the pull bar 6 driving vacuum interrupters 3 moves downward terminal point and finishes separating brake moving armature 16 together with power guide post 20.During electric switch-on, impose on closing coil 15 instantaneous forward currents by external circuit, moving armature 16 moves upward to terminal point together with power guide post 20 under the force action of electromagnetism, permanent magnetism, pull bar 6 was pressed to the moving contact in the vacuum interrupter 3 on the fixed contact in the vacuum interrupter 3 and finishes combined floodgate when disjunction spring 14 was finished energy storage, so far finished branch, combined floodgate one-period.
Claims (4)
1. magneto low-voltage vacuum contactor, include: following outlet board (1), pedestal (2), vacuum interrupter (3), (4) are flexible coupling, conductive clip (5), pull bar (6), switching winding (7), non-magnetic conduction packing ring (8), upper magnet yoke lid (9), middle yoke plate (10), permanent magnet (11), outer yoke cover (12), inner yoke cover (13), disjunction spring (14), closing coil (15), moving armature (16), touch spring (17), stop-nut (18), cushion pad (19), power guide post (20), the low-voltage vacuum contactor that vacuum interrupter that last outlet board (21) is formed and permanent magnet mechanism are one is characterized in that:
1. be fixed by bolts on the pedestal (2) by following outlet board (1) and permanent magnet mechanism shell respectively at above-mentioned vacuum interrupter (3) and permanent magnet mechanism, following outlet board (1) connects with the input of vacuum interrupter (3), and last outlet board (21) connects with the conductive clip (5) of (4) connection back with the output of vacuum interrupter (3) that be flexible coupling;
2. the moving armature (16) at above-mentioned permanent magnet mechanism connects by the pull bar (6) of power guide post (20) with vacuum interrupter;
3. put switching winding (7) in the window of the upper magnet yoke of above-mentioned permanent magnet mechanism lid (9), the plane is put non-magnetic conduction packing ring (8) back and is covered (9) with upper magnet yoke and together use bolted on the last circumferential end surfaces of outer yoke cover (12) on the centre of middle yoke plate (10);
4. be fixed on high-strength adhesive on the inner periphery of the excircle of inner yoke cover (13) and middle yoke plate (10) at the permanent magnet (11) of above-mentioned permanent magnet mechanism, closing coil is placed in the cavity that outer yoke cover (12) and middle yoke plate (10) form;
5. in the top cavity of the moving armature (16) of above-mentioned permanent magnet mechanism, put touch spring (17), put disjunction spring (14) in the cavity of bottom, pull bar (6) connection of the centre bore of the centre bore of the fastening stop-nut of lower end (18) back of power guide post (20) by cushion pad (19), disjunction spring (14), moving armature (16), touch spring (17), inner yoke cover (13), the centre bore of upper magnet yoke lid (9) and the output of vacuum interrupter (3).
2. a kind of permanent magnet type vacuum contactor according to claim 1, the center that it is characterized in that upper magnet yoke lid (9) fall recessed platform outside dimension and cooperate correspondingly with the outside dimension of inner yoke cover (13), have antimagnetic short-circuit function.
3. a kind of permanent magnetism vacuum contactor according to claim 1 is characterized in that middle yoke plate (10) establishes step near circumferential edges and cooperates correspondingly with outer yoke cover (12), and the middle part encircles that boss cooperates the corresponding poly-magnetic function that has with moving armature (16).
4. a kind of permanent magnet type vacuum contactor according to claim 1, the upper surface that it is characterized in that moving armature (16) is near circumferential edges place fluting, and the width of groove cooperates corresponding with the radial dimension of permanent magnet (11), and the degree of depth of groove is controlled within the 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320123839 CN2676392Y (en) | 2003-11-12 | 2003-11-12 | A permanent magnet low-voltage vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320123839 CN2676392Y (en) | 2003-11-12 | 2003-11-12 | A permanent magnet low-voltage vacuum contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2676392Y true CN2676392Y (en) | 2005-02-02 |
Family
ID=34476549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320123839 Expired - Fee Related CN2676392Y (en) | 2003-11-12 | 2003-11-12 | A permanent magnet low-voltage vacuum contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2676392Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459009C (en) * | 2006-11-30 | 2009-02-04 | 中国船舶重工集团公司第七一二研究所 | DC permanent magnet contactor |
| CN102110546A (en) * | 2011-02-24 | 2011-06-29 | 大连理工大学 | Anti-hopping vacuum contactor of high-speed frame-type repulsion mechanism |
| CN104681356A (en) * | 2013-11-26 | 2015-06-03 | 昆山瑞普电气有限公司 | Single-phase permanent magnetic contactor |
| CN104821262A (en) * | 2015-05-06 | 2015-08-05 | 深圳市安正顺电气科技有限公司 | Permanent magnetic mechanism capable of adjusting switching on-off time and adjusting method thereof |
| CN105047472A (en) * | 2015-07-07 | 2015-11-11 | 上海翔洲电气科技有限公司 | Single-stage vacuum contactor |
| 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 |
| CN106229221A (en) * | 2016-01-29 | 2016-12-14 | 四川行之智汇知识产权运营有限公司 | Modified model catalyst |
| CN106252163A (en) * | 2016-01-29 | 2016-12-21 | 四川行之智汇知识产权运营有限公司 | The catalyst of opening velocity can be regulated |
-
2003
- 2003-11-12 CN CN 200320123839 patent/CN2676392Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459009C (en) * | 2006-11-30 | 2009-02-04 | 中国船舶重工集团公司第七一二研究所 | DC permanent magnet contactor |
| CN102110546A (en) * | 2011-02-24 | 2011-06-29 | 大连理工大学 | Anti-hopping vacuum contactor of high-speed frame-type repulsion mechanism |
| CN104681356A (en) * | 2013-11-26 | 2015-06-03 | 昆山瑞普电气有限公司 | Single-phase permanent magnetic contactor |
| CN104821262A (en) * | 2015-05-06 | 2015-08-05 | 深圳市安正顺电气科技有限公司 | Permanent magnetic mechanism capable of adjusting switching on-off time and adjusting method thereof |
| CN105047472A (en) * | 2015-07-07 | 2015-11-11 | 上海翔洲电气科技有限公司 | Single-stage vacuum contactor |
| CN105047472B (en) * | 2015-07-07 | 2019-01-15 | 上海翔洲电气科技有限公司 | A kind of monopole vacuum contactor |
| 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 |
| CN106229221A (en) * | 2016-01-29 | 2016-12-14 | 四川行之智汇知识产权运营有限公司 | Modified model catalyst |
| CN106252163A (en) * | 2016-01-29 | 2016-12-21 | 四川行之智汇知识产权运营有限公司 | The catalyst of opening velocity can be regulated |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |