CN112002599A - Eddy repulsion permanent magnet mechanism for driving vacuum circuit breaker - Google Patents
Eddy repulsion permanent magnet mechanism for driving vacuum circuit breaker Download PDFInfo
- Publication number
- CN112002599A CN112002599A CN202010946229.XA CN202010946229A CN112002599A CN 112002599 A CN112002599 A CN 112002599A CN 202010946229 A CN202010946229 A CN 202010946229A CN 112002599 A CN112002599 A CN 112002599A
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- CN
- China
- Prior art keywords
- connecting rod
- circuit breaker
- vacuum circuit
- shaped block
- insulating
- 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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- 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
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/285—Power arrangements internal to the switch for operating the driving mechanism using electro-dynamic repulsion
-
- 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
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/38—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses an eddy current repulsion permanent magnetic mechanism for driving a vacuum circuit breaker, which comprises a main body, a first extrusion mechanism and a second extrusion mechanism, wherein the main body comprises an insulating sleeve and an insulating connecting rod, the top of the insulating connecting rod is provided with the first extrusion mechanism, the first extrusion mechanism comprises a T-shaped block, the T-shaped block is positioned above the insulating connecting rod, the top of the T-shaped block is provided with a push plate, a flat plate at the bottom of the T-shaped block is symmetrically provided with first sliding blocks capable of sliding along a first sliding groove, the bottom of the T-shaped block is provided with the first connecting rod and the second connecting rod, and the tops of the first connecting rod and the second connecting rod are respectively and rotatably connected with the first sliding blocks; through setting up and having installed first extrusion mechanism, drive the change of first connecting rod and second connecting rod angle when utilizing the extrusion of insulating connecting rod, can enlarge the extruded dynamics of insulating connecting rod, and then increase vacuum circuit breaker open circuit state's stability.
Description
Technical Field
The invention belongs to the technical field of vacuum circuit breakers, and particularly relates to a vortex repulsion permanent magnet mechanism for driving a vacuum circuit breaker.
Background
Through retrieval, application number CN201320400931.1 discloses a vacuum circuit breaker of a permanent magnetic mechanism, which is formed by coaxially and vertically connecting a vacuum circuit breaker and a permanent magnetic mechanism, wherein the vacuum circuit breaker is provided with a vacuum circuit breaker switch body, an inlet wire end, a movable contact flexible connecting sheet, a movable contact connecting rod and an outlet wire end, the vacuum circuit breaker is connected with the permanent magnetic mechanism into a whole through an insulating sleeve and an insulating connecting rod, the permanent magnetic mechanism is provided with a permanent magnetic mechanism panel, a permanent magnetic mechanism action connecting rod, a closed position sensor, a separated position sensor, a permanent magnetic operating mechanism, a permanent magnetic mechanism excitation coil connecting terminal and a position sensor connecting terminal, the permanent magnetic operating mechanism is connected with the insulating connecting rod through the permanent magnetic mechanism action connecting rod, the top end of the insulating connecting rod is connected with the movable contact connecting rod of the vacuum circuit.
The conventional action connecting rod, the insulating connecting rod and the permanent magnet operating mechanism are adopted to realize the open circuit and the open circuit of the vacuum circuit breaker, so that the open circuit stability of the vacuum circuit breaker is closely related to the stability of the permanent magnet operating mechanism, the extrusion force of the permanent magnet operating mechanism is increased, the open circuit state stability of the vacuum circuit breaker can be increased, and therefore, the eddy current repulsion permanent magnet mechanism for driving the vacuum circuit breaker is provided.
Disclosure of Invention
The present invention is directed to a permanent magnet mechanism for driving an eddy current repulsion force of a vacuum circuit breaker, which solves the above problems of the related art.
In order to achieve the purpose, the invention adopts the following technical scheme: a vortex repulsion permanent magnetic mechanism for driving a vacuum circuit breaker comprises a main body, a first extrusion mechanism and a second extrusion mechanism, the main body comprises an insulating sleeve and an insulating connecting rod, the top of the insulating connecting rod is provided with a first extrusion mechanism, the first extrusion mechanism comprises a T-shaped block, the T-shaped block is positioned above the insulating connecting rod, a push plate is arranged at the top of the T-shaped block, the flat plate at the bottom of the T-shaped block is symmetrically provided with first sliding blocks which can slide along the first sliding grooves, the bottom of the T-shaped block is provided with a first connecting rod and a second connecting rod, the tops of the first connecting rod and the second connecting rod are respectively connected with a first slide block in a rotating way, the connecting part of the bottoms of the first connecting rod and the second connecting rod is connected with a connecting plate in a rotating mode, the connecting plate is inserted into the inner side of the outer pipe sleeve, and a second extrusion mechanism is installed on the inner side of the outer pipe sleeve.
Further, second extrusion mechanism includes the anticreep board, the anticreep board is located the bottom of connecting plate, the gliding second slider of second spout can be installed along the bottom symmetry of anticreep board, the bottom of second slider rotates respectively and is connected with third connecting rod and fourth connecting rod, the bottom of third connecting rod and fourth connecting rod all rotates jointly and is connected with the spliced pole, the inner wall fixed connection of spliced pole and outer pipe box.
Further, the convex part of the T-shaped block faces upwards.
Further, the connecting position of the first connecting rod and the second connecting rod is positioned on an extension line of the center line of the T-shaped block.
Further, an expansion spring is installed on the inner side of the first sliding groove, the first end of the expansion spring is fixedly connected with the first sliding block, and the second end of the expansion spring is fixedly connected with the inner wall of the first sliding groove.
Furthermore, a spring perpendicular to the horizontal line is arranged between the T-shaped block and the inner wall of the wire outlet end.
Further, the connecting position of the third connecting rod and the fourth connecting rod is positioned on the axis of the outer sleeve.
Furthermore, an insulating sleeve is installed at the top of the outer protective box body, and an outgoing line end and an incoming line end are installed on the side wall of the insulating sleeve.
Further, a vacuum circuit breaker switch body is installed at the top of the inner side of the insulating sleeve, a moving contact is installed at the bottom of the vacuum circuit breaker switch body, the bottom wall of the moving contact is in contact with the upper surface of the push plate, a permanent magnet operating mechanism is installed on the inner side of the outer protection box body, a wiring terminal is installed on one side of the permanent magnet operating mechanism, an action connecting rod is installed at the top of the permanent magnet operating mechanism, and an insulating connecting rod is installed at the top of the action connecting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up and having installed first extrusion mechanism, drive the change of first connecting rod and second connecting rod angle when utilizing the extrusion of insulating connecting rod, can enlarge the extruded dynamics of insulating connecting rod, and then increase vacuum circuit breaker open circuit state's stability.
2. Through having set up the second extrusion mechanism of having installed, at insulating connecting rod extrusion in-process, utilize the second extrusion mechanism similar with first extrusion mechanism structure, can further enlarge extruded dynamics, and then increase stability on above-mentioned basis.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the portion A of the present invention;
FIG. 4 is a schematic structural view of a first chute of the T-block of the present invention;
FIG. 5 is a schematic view of the bottom structure of the anti-falling plate according to the present invention;
in the figure: 1. an insulating sleeve; 2. an outlet end; 3. a wire inlet end; 4. an outer protecting box body; 5. a wiring terminal; 6. a permanent magnet operating mechanism; 7. an action link; 8. an insulating connecting rod; 9. a first pressing mechanism; 11. a moving contact; 12. a vacuum circuit breaker switch body; 13. pushing the plate; 14. a T-shaped block; 15. a first slider; 16. a first link; 17. a second extrusion mechanism; 18. a third link; 19. a fourth link; 20. an outer pipe sleeve; 21. an anti-falling plate; 22. a connecting plate; 23. a second link; 24. an expansion spring; 25. a first chute; 26. a second slider; 27. a second runner.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a permanent magnetic mechanism of eddy repulsion force for driving a vacuum circuit breaker comprises a main body, and further comprises a first extrusion mechanism 9 and a second extrusion mechanism 17, wherein the main body comprises an insulating sleeve 1 and an insulating connecting rod 8, the top of the insulating connecting rod 8 is provided with the first extrusion mechanism 9, the first extrusion mechanism 9 comprises a T-shaped block 14, the bulge part of the T-shaped block 14 faces upwards, a spring vertical to the horizontal line is arranged between the T-shaped block 14 and the inner wall of a wire outlet end 2, the T-shaped block 14 is positioned above the insulating connecting rod 8, the top of the T-shaped block 14 is provided with a push plate 13, a flat plate at the bottom of the T-shaped block 14 is symmetrically provided with first sliders 15 capable of sliding along a first sliding groove 25, the inner side of the first sliding groove 25 is provided with an expansion spring 24, the first end of the expansion spring 24 is fixedly connected with the first slider 15, the second end of the expansion spring 24 is fixedly connected with the inner wall of the first sliding groove 25, the tops of the first connecting rod 16 and the second connecting rod 23 are respectively rotatably connected with the first sliding block 15, the connecting position of the first connecting rod 16 and the second connecting rod 23 is positioned on an extension line of a central line of the T-shaped block 14, the connecting position of the bottoms of the first connecting rod 16 and the second connecting rod 23 is jointly rotatably connected with the connecting plate 22, the connecting plate 22 is inserted in the inner side of the outer sleeve 20, the second extruding mechanism 17 is installed on the inner side of the outer sleeve 20, when the third connecting rod 18 and the fourth connecting rod 19 push the connecting plate 22, the connecting plate 22 pushes the first connecting rod 16 and the second connecting rod 23, the angle between the first connecting rod 16 and the second connecting rod 23 is increased, and the first sliding block 15 moves outwards along the first sliding chute 25, so that the pushing force of the insulating connecting rod 8 can be further amplified, when the pushing plate 13 pushes the 11, the opening of the vacuum circuit breaker can be realized, through the installation of the first extruding mechanism 9, the first moving contact 16 and the second connecting rod 23 are driven to change the angle when being, the extrusion force of the insulating connecting rod 8 can be amplified, and the stability of the open circuit state of the vacuum circuit breaker is further improved.
In this embodiment, further, the second pressing mechanism 17 includes an anti-falling plate 21, the anti-falling plate 21 is located at the bottom of the connecting plate 22, second sliders 26 capable of sliding along the second sliding grooves 27 are symmetrically installed at the bottom of the anti-falling plate 21, the bottoms of the second sliders 26 are respectively rotatably connected with a third connecting rod 18 and a fourth connecting rod 19, the bottoms of the third connecting rod 18 and the fourth connecting rod 19 are both rotatably connected with a connecting column, the connecting position of the third connecting rod 18 and the fourth connecting rod 19 is located on the axis of the outer sleeve 20, the connecting column is fixedly connected with the inner wall of the outer sleeve 20, the action connecting rod 7 and the insulation connecting rod 8 are driven by the permanent magnet operating mechanism 6 to move upwards, the outer sleeve 20 synchronously moves upwards during the upwards movement of the insulation connecting rod 8, the connecting column drives the third connecting rod 18 and the fourth connecting rod 19 to move upwards and push the anti-falling plate 21 and the connecting plate 22, and the corresponding second slider 26 slides outwards, utilize the increase of third connecting rod 18 and the 19 angles of fourth connecting rod, the extruded dynamics of insulating connecting rod 8 can be enlarged, through having set up second extrusion mechanism 17, in insulating connecting rod 8 extrusion process, utilize the second extrusion mechanism 17 similar with first extrusion mechanism 9 structure, can further enlarge extruded dynamics, and then increase stability on above-mentioned basis.
In this embodiment, further, an insulating sleeve 1 is installed at the top of the outer protecting box 4, and an outgoing line end 2 and an incoming line end 3 are installed on the side wall of the insulating sleeve 1.
In this embodiment, further, a vacuum circuit breaker switch body 12 is installed at the top of the inner side of the insulating sleeve 1, a moving contact 11 is installed at the bottom of the vacuum circuit breaker switch body 12, the bottom wall of the moving contact 11 contacts with the upper surface of the push plate 13, a permanent magnet operating mechanism 6 is installed at the inner side of the outer protection box body 4, a wiring terminal 5 is installed at one side of the permanent magnet operating mechanism 6, an action connecting rod 7 is installed at the top of the permanent magnet operating mechanism 6, and an insulating connecting rod 8 is installed at the top of the action connecting rod 7.
The working principle and the using process of the invention are as follows: when the device is used, the action connecting rod 7 and the insulation connecting rod 8 are driven to move upwards by the permanent magnet operating mechanism 6, in the upward movement process of the insulating connecting rod 8, the outer sleeve 20 synchronously moves upward, the connecting column drives the third connecting rod 18 and the fourth connecting rod 19 to move upward and push the anti-falling plate 21 and the connecting plate 22, and the corresponding second slide block 26 slides outwards, the extrusion force of the insulating connecting rod 8 can be amplified by utilizing the angle increase of the third connecting rod 18 and the fourth connecting rod 19, when the third link 18 and the fourth link 19 push the connection plate 22, the connection plate 22 pushes the first link 16 and the second link 23, and the angle between the first link 16 and the second link 23 is increased, and the first slider 15 moves outward along the first sliding slot 25, the pushing force of the insulating connecting rod 8 can be further amplified, and when the moving contact 11 is extruded by the push plate 13, the open circuit of the vacuum circuit breaker can be realized; when the vacuum circuit breaker is required to be broken, the permanent magnet operating mechanism 6 drives the insulating connecting rod 8 to move downwards, the third connecting rod 18, the fourth connecting rod 19, the first connecting rod 16 and the second connecting rod 23 can move downwards, and the first sliding block 15 moves towards the middle of the T-shaped block 14 under the action of the expansion spring 24, so that the next open circuit work can be facilitated, and the open circuit can be realized until the push plate 13 does not extrude the movable contact 11 any more.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a vortex repulsion permanent magnetism mechanism for driving vacuum circuit breaker, includes the main part, its characterized in that: the device is characterized by further comprising a first extrusion mechanism (9) and a second extrusion mechanism (17), the main body comprises an insulating sleeve (1) and an insulating connecting rod (8), the first extrusion mechanism (9) is installed at the top of the insulating connecting rod (8), the first extrusion mechanism (9) comprises a T-shaped block (14), the T-shaped block (14) is located above the insulating connecting rod (8), a push plate (13) is installed at the top of the T-shaped block (14), first sliding blocks (15) capable of sliding along a first sliding groove (25) are symmetrically installed on a flat plate at the bottom of the T-shaped block (14), a first connecting rod (16) and a second connecting rod (23) are installed at the bottom of the T-shaped block (14), the tops of the first connecting rod (16) and the second connecting rod (23) are respectively rotatably connected with the first sliding block (15), and a connecting plate (22) is rotatably connected at the joint of the bottoms of the first connecting rod (16) and the second connecting rod (23), the connecting plate (22) is inserted into the inner side of the outer pipe sleeve (20), and a second extrusion mechanism (17) is installed on the inner side of the outer pipe sleeve (20).
2. An eddy current repulsion permanent magnet mechanism for driving a vacuum circuit breaker according to claim 1, characterized in that: second extrusion mechanism (17) are including anticreep board (21), anticreep board (21) are located the bottom of connecting plate (22), the bottom symmetry of anticreep board (21) is installed and to be followed gliding second slider (26) of second spout (27), the bottom of second slider (26) rotates respectively and is connected with third connecting rod (18) and fourth connecting rod (19), the bottom of third connecting rod (18) and fourth connecting rod (19) all rotates jointly and is connected with the spliced pole, the inner wall fixed connection of spliced pole and outer pipe sleeve (20).
3. An eddy current repulsion permanent magnet mechanism for driving a vacuum circuit breaker according to claim 1, characterized in that: the convex part of the T-shaped block (14) faces upwards.
4. An eddy current repulsion permanent magnet mechanism for driving a vacuum circuit breaker according to claim 1, characterized in that: the connecting position of the first connecting rod (16) and the second connecting rod (23) is positioned on the extension line of the center line of the T-shaped block (14).
5. An eddy current repulsion permanent magnet mechanism for driving a vacuum circuit breaker according to claim 1, characterized in that: expansion spring (24) are installed to the inboard of first spout (25), the first end and first slider (15) fixed connection of expansion spring (24), the inner wall fixed connection of the second end and first spout (25) of expansion spring (24).
6. An eddy current repulsion permanent magnet mechanism for driving a vacuum circuit breaker according to claim 1, characterized in that: and a spring vertical to the horizontal line is arranged between the T-shaped block (14) and the inner wall of the wire outlet end (2).
7. An eddy current repulsion permanent magnet mechanism for driving a vacuum circuit breaker according to claim 2, characterized in that: the connecting position of the third connecting rod (18) and the fourth connecting rod (19) is positioned on the axis of the outer sleeve (20).
8. An eddy current repulsion permanent magnet mechanism for driving a vacuum circuit breaker according to claim 1, characterized in that: insulating sleeve (1) are installed at the top of outer protecting box body (4), install outlet end (2) and inlet wire end (3) on the lateral wall of insulating sleeve (1).
9. An eddy current repulsion permanent magnet mechanism for driving a vacuum circuit breaker according to claim 8, characterized in that: vacuum circuit breaker switch body (12) are installed at the top of insulating sleeve (1) inboard, moving contact (11) are installed to the bottom of vacuum circuit breaker switch body (12), the diapire of moving contact (11) and the last surface contact of push pedal (13), permanent magnetism operating device (6) are installed to the inboard of outer protecting box body (4), binding post (5) are installed to one side of permanent magnetism operating device (6), action connecting rod (7) are installed at the top of permanent magnetism operating device (6), insulating connecting rod (8) are installed at the top of action connecting rod (7).
Priority Applications (1)
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CN202010946229.XA CN112002599A (en) | 2020-09-10 | 2020-09-10 | Eddy repulsion permanent magnet mechanism for driving vacuum circuit breaker |
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CN202010946229.XA CN112002599A (en) | 2020-09-10 | 2020-09-10 | Eddy repulsion permanent magnet mechanism for driving vacuum circuit breaker |
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CN202010946229.XA Pending CN112002599A (en) | 2020-09-10 | 2020-09-10 | Eddy repulsion permanent magnet mechanism for driving vacuum circuit breaker |
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CN111627749A (en) * | 2020-05-30 | 2020-09-04 | 西安交通大学 | Bistable spring retaining device with buffering function for electromagnetic repulsion mechanism and method |
CN111640612A (en) * | 2020-07-02 | 2020-09-08 | 刘晓明 | Quick repulsion operating mechanism maintained by spring group |
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