CN2736901Y - Novel permanent-magnetic operating mechanism for switch gear - Google Patents
Novel permanent-magnetic operating mechanism for switch gear Download PDFInfo
- Publication number
- CN2736901Y CN2736901Y CN 200420093058 CN200420093058U CN2736901Y CN 2736901 Y CN2736901 Y CN 2736901Y CN 200420093058 CN200420093058 CN 200420093058 CN 200420093058 U CN200420093058 U CN 200420093058U CN 2736901 Y CN2736901 Y CN 2736901Y
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- China
- Prior art keywords
- iron core
- magnetic
- operating mechanism
- moving tooth
- tooth iron
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- Expired - Fee Related
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Abstract
The utility model provides a novel permanent-magnetic operating mechanism for switch equipment, comprising an iron core component, a magnetic yoke, a closing coil, a brake separating coil, permanent magnets and a universal caput articularis, wherein, the iron core component is composed of a movable gear iron core, a lower slaving iron core and a still gear iron core. Magnetic conduction slots are arranged on the movable gear iron core and the still iron core. The permanent magnets are respectively stuck on the magnetic yoke, and each permanent magnet is stuck with a protecting iron plate. The side face of the movable gear iron core is provided with a guideway slot on which an abrasion resisting steel strip is inserted. The movable iron core of the utility model is divide to three movable iron cores to reduce the moving mass. The end surface of the iron core is provided with a slot, the designing of a magnetic path is improved, and the face of the slot is provided with a guideway. The surfaces of the permanent magnets are stuck with iron plates to reduce the abrasion of the parts. The universal caput articularis is designed to make the output of the force of the novel permanent-magnetic operating mechanism smooth and efficient and reduce the assembled difficulty. The utility model is mainly used for the indoor switching arrangement whose three-phase alternating current is 50Hz and nominal voltage is 12KV and suitable to the occasions of throwing and cutting loading of various different properties and frequent operation. The novel permanent-magnetic operating mechanism can be used to protect and control the electric installations of the industrial and mineral mortgage, the enterprise, the electric power plant and the converting station.
Description
Technical field
The utility model relates to field of power, particularly a kind of switchgear novel permanent magnetic operating mechanism.
Prior art
Existing permanent magnet mechanism closes, the separating brake mechanical property is generally not ideal enough, and especially opening velocity is on the low side, characteristic is relatively poor.This operation to switch is totally unfavorable.In order to address this problem, some enterprise has released a kind of Monostable permanent magnetic mechanism, and it has increased spring and has improved opening characteristic, and product is had to a certain degree improvement.But for permanent magnet mechanism, the Monostable permanent magnetic mechanism parts are many, can handlingly be weakened, and lost " permanent magnetism characteristic " to a certain extent.
The utility model content
The purpose of this utility model be exactly for overcome and, the separating brake mechanical property is not ideal enough, speed is on the low side, the high defective of assembly precision requirement and a kind of novel permanent magnetic operating mechanism of designing is to be made of moving iron core memeber, yoke, closing coil, switching winding, permanent magnet and joint ball device; It has simple in structure, and parts are few, advantages such as reliable in action, life-span length.
The purpose of this utility model is achieved in that a kind of switchgear novel permanent magnetic operating mechanism, it is characterized in that: be to be made of iron core memeber, yoke, closing coil, switching winding, permanent magnet and gimbal suspension head; Wherein, iron core memeber is formed by moving tooth iron core, lower auxiliary iron core and quiet tooth are unshakable in one's determination, and guide rod is through quiet tooth iron core, moving tooth iron core and lower auxiliary iron core.Rivet is fixed together guide rod and moving tooth iron core.Quiet tooth iron core and lower auxiliary iron core have circular hole, and guide rod can move up and down in the hole; Quiet tooth lower end unshakable in one's determination has groove; the moving tooth iron core upper end has the raised line that matches with groove; on moving tooth iron core and quiet tooth iron core, have magnetic conductive groove; permanent magnet sticks on the yoke respectively and be stained with protection iron plate on each piece permanent magnet; the moving tooth iron core side has guide-track groove, is embedded with wear-resisting copper bar on the groove.Described lower end of the guide rod gimbal suspension head is to be made of upper joint, hypozygal, joint ball and connecting rod; Upper joint and hypozygal constitute a fossa glenoid, interior dress lubricating grease and joint ball, and joint ball can freely rotate in fossa glenoid; Be processed with screw thread in the upper joint, the everything ball and socket joint is installed in the bottom of guide rod, but up-down adjustment.
The utility model is the improvement of carrying out on the basis of former bistable-state permanent magnet mechanism, and improved structure is as follows: mechanism is in the process of motion, and iron core memeber (1.5) makes the magnetic line of force " distribution according to need " in the magnetic circuit.During combined floodgate, moving tooth iron core (2.4) leaves quiet tooth iron core (2.2) behind certain position, and the distribution arrangement of the magnetic line of force changes.The combined floodgate resistance reduces, and has improved closing speed.During separating brake, moving tooth iron core (2.4) moves upward to behind quiet tooth iron core (2.2) certain position, and the distribution situation of the magnetic line of force changes, and separating brake power increases, and opening velocity improves, and has improved firm minute characteristic simultaneously.
For the frictional resistance of reducing mechanism motion, two unique measures in the utility model, have been taked; The one, (2.4) go up fluting on moving tooth iron core, are embedded with wear-resisting copper rail (4.1) on the groove.The 2nd, at the fixing sheet iron (3.1) of permanent magnet (3.2) end face, coat copper sheet with similar mechanism permanent magnet surfaces and compare, promptly reduced frictional resistance, protected permanent magnet to avoid impacting and wearing and tearing again, reduced the magnetic circuit magnetic resistance simultaneously.
Existing like product, its moving core volume is big, starts slow.The utility model will move unshakable in one's determination one and be divided into three: moving tooth iron core (2.4), lower auxiliary iron core (2.5) and quiet tooth iron core (2.2).Do like this, effectively reduced the quality of kinematic system, improved close, opening velocity, reduced the motion of mechanism impact, help improving the life-span of mechanism.
In addition, novel permanent magnetic mechanism has also designed a gimbal suspension head (1.6).It can realize three functions: the one, in screw thread is arranged, can move up and down, the parameters of debug switch equipment, the 2nd, in have joint ball (5.2) arbitrarily to rotate, realized gimbal suspension head (1.6) " up and down; can a left side can be right; easy to adjust, install simple " characteristics, the transmission of exerting all one's strength is level and smooth, efficient, reduce friction of motion, improve delivery efficiency; The 3rd, this structure has overcome other mechanism and other parts of circuit breaker are installed inconvenient shortcoming, has reduced assembly difficulty.The utility model is mainly used in three-phase alternating current 50Hz, rated voltage is the 12KV indoor distribution; be applicable to the occasion of various loads of different nature of switching and frequent operation, can supply the protection of industrial and mineral, enterprise, power plant and transformer station's electric installation and the usefulness of control.
Advantage of the present utility model: solved the initial stage permanent magnet mechanism four main not enough, the one, close, the separating brake mechanical property is undesirable, the 2nd, mechanism has increased other parts such as spring; The 3rd, the transmission efficiency of power is not high; The 4th, mechanical parameter is difficult for regulating.
Description of drawings
Fig. 1 is in the overall structure schematic diagram of gate-dividing state for the utility model;
Fig. 2 is in the overall structure end view of gate-dividing state for the utility model;
Fig. 3 (a) is the end view of the utility model yoke;
Fig. 3 (b) is the front view of the utility model yoke;
Fig. 4 (a) is the front view of the utility model moving tooth iron core;
Fig. 4 (b) is the end view of the utility model moving tooth iron core;
Fig. 5 is the structure chart of the utility model everything ball and socket joint.
Embodiment
The switchgear related referring to Fig. 1 the utility model mainly is to be made of yoke (1.1), closing coil (1.4), switching winding (1.2), permanent magnet (1.3), iron core memeber (1.5) and gimbal suspension head (1.6) with the novel permanent magnetic operating mechanism.Fig. 1 is in gate-dividing state for mechanism, and the magnetic flux suction that iron core memeber (1.5) is produced by permanent magnet (1.3) remains on separating brake position, upper end.Basic functional principle during combined floodgate is: closing coil (1.4) is charged, and the electromagnetism of generation is connected with two parts: a part is offset the maintenance magnetic flux that permanent magnet (1.3) produces in iron core memeber (1.5) upper end.Another part produces downward suction in the lower end of iron core memeber (1.5).When this suction reaches certain value, iron core memeber (1.5) just begins to move down, closing coil (1.4) cuts off the power supply later at certain hour, and iron core memeber (1.5) moves to closing position always under the magnetic flux acting in conjunction that initial kinetic energy and permanent magnet (1.3) produce in yoke (1.1) bottom., then, iron core memeber (1.5) is remained on the lower end closing position by the magnetic flux suction that permanent magnet (1.3) produces.Operation principle during separating brake in contrast.
Referring to Fig. 2, iron core memeber (1.5) mainly is made up of guide rod (2.1), quiet tooth iron core (2.2), rivet (2.3), moving tooth iron core (2.4) and lower auxiliary iron core (2.5).Guide rod (2.1) is through quiet tooth iron core (2.2), moving tooth iron core (2.4) and lower auxiliary iron core (2.5).Rivet (2.3) is fixed together guide rod (2.1) and moving tooth iron core (2.4).Quiet tooth iron core (2.2) and lower auxiliary iron core (2.5) have circular hole, and guide rod (2.1) can move up and down in the hole.The principal character of iron core memeber (1.5) is: quiet tooth iron core (2.2) lower end has groove, and moving tooth iron core (2.4) upper end has the raised line that matches with groove, and the two meshes together when the separating brake position.In the making process, after moving tooth iron core (2.4) had just left quiet tooth iron core (2.2), original all magnetic fluxs of vertical distribution changed direction immediately, and major part becomes level and diagonally distributes.Like this, in the initial motion stage, permanent magnet (1.3) is slackened greatly in the attraction of iron core memeber (1.5) upper end, has just reduced the resistance that closes a floodgate, and has therefore improved the speed of closing a floodgate.When "on" position needed separating brake, moving tooth iron core (2.4) had certain distance in yoke (1.1) lower end from quiet tooth iron core (2.2).Moving tooth iron core (2.4) moves upward behind a bit of position, because the influence of raised line, magnetic flux is oblique by vertically changing into, is distributed on the path that raised line forms up and down.Like this, in the previous stage that moving tooth iron core (2.4) moves upward, the suction of upper end is reinforced.Just increased the power of separating brake, improved the speed of separating brake with this.It is different greatly that the utility model and other like product have, and its characteristics just are: can carry out " distribution according to need " to magnetic flux.
As shown in Figure 3, yoke (1.1) middle part is stained with permanent magnet (3.2), it is characterized in that 2 points: the one, through after the computation optimization, permanent magnet (3.2) was become 4 present fritters by a former integral body, and improved the utilance of magnet, reduced assembly difficulty.The 2nd, be stained with iron plate (3.1) on permanent magnet (3.2) top, be stained with comparing of copper sheet with similar, increase the dynamics that protection permanent magnet (3.2) is not damaged, and reduced magnetic resistance and frictional force.
As shown in Figure 4, moving tooth iron core (2.4) both sides have groove, and wear-resisting copper rail (4.1) is housed in the groove.Moving tooth iron core (2.4) is when moving up and down, wear-resisting copper rail (4.1) has played the frictional force that restriction moving tooth iron core (2.4) rotates around guide rod (2.1), increased the contact area that moving tooth iron core (2.4) fluting face and adjacent permanent magnet (3.2) go up iron plate (3.1) simultaneously, also reduce frictional force, improved the motion of mechanism characteristic.
As shown in Figure 5, gimbal suspension head (1.6) mainly is made up of upper joint (5.1), joint ball (5.2), hypozygal (5.3) and connecting rod (5.4).Upper joint (5.1) and hypozygal (5.3) are formed one " fossa glenoid ", interior dress lubricating grease.Joint ball (5.2) can freely rotate in " fossa glenoid ".Upper joint (5.1) is processed with screw thread, and gimbal suspension head (1.6) is installed in guide rod (2.1) bottom, but up-down adjustment.The connecting rod of being adorned (5.4) can rotate 360 degree around the center line of oneself, and can realize the swing of 15 degree on left and right directions.Like this, the installation of permanent-magnet operating mechanism of the present utility model and circuit breaker just becomes easily easily, and the output of realizable force, level and smooth.
Claims (2)
1, a kind of switchgear novel permanent magnetic operating mechanism is characterized in that: be to be made of iron core memeber, yoke, closing coil, switching winding, permanent magnet and gimbal suspension head; Wherein, iron core memeber is formed by moving tooth iron core, lower auxiliary iron core and quiet tooth are unshakable in one's determination, and guide rod is through quiet tooth iron core, moving tooth iron core and lower auxiliary iron core; Rivet is fixed together guide rod and moving tooth iron core; Quiet tooth iron core and lower auxiliary iron core have circular hole, and guide rod can move up and down in the hole; Quiet tooth lower end unshakable in one's determination has groove, and the moving tooth iron core upper end has the raised line that matches with groove; Have magnetic conductive groove on moving tooth iron core and quiet tooth iron core, permanent magnet sticks on the yoke respectively and be stained with protection iron plate on each piece permanent magnet, and the moving tooth iron core side has guide-track groove, is embedded with wear-resisting copper bar on the groove.
2, switchgear according to claim 1 novel permanent magnetic operating mechanism is characterized in that: the gimbal suspension head of lower end of the guide rod is to be made of upper joint, hypozygal, joint ball and connecting rod; Upper joint and hypozygal constitute a fossa glenoid, interior dress lubricating grease and joint ball, and joint ball can freely rotate in fossa glenoid; Be processed with screw thread in the upper joint, the everything ball and socket joint is installed in the bottom of guide rod, but up-down adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093058 CN2736901Y (en) | 2004-09-06 | 2004-09-06 | Novel permanent-magnetic operating mechanism for switch gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093058 CN2736901Y (en) | 2004-09-06 | 2004-09-06 | Novel permanent-magnetic operating mechanism for switch gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2736901Y true CN2736901Y (en) | 2005-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420093058 Expired - Fee Related CN2736901Y (en) | 2004-09-06 | 2004-09-06 | Novel permanent-magnetic operating mechanism for switch gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2736901Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067987B (en) * | 2007-06-12 | 2010-09-29 | 孙祖桐 | Permanent magnetic operating mechanism of AC contactor and vacuum circuit breaker |
| CN113757286A (en) * | 2021-09-14 | 2021-12-07 | 北京市劳保所科技发展有限责任公司 | Magnetic suspension shock absorber |
-
2004
- 2004-09-06 CN CN 200420093058 patent/CN2736901Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067987B (en) * | 2007-06-12 | 2010-09-29 | 孙祖桐 | Permanent magnetic operating mechanism of AC contactor and vacuum circuit breaker |
| CN113757286A (en) * | 2021-09-14 | 2021-12-07 | 北京市劳保所科技发展有限责任公司 | Magnetic suspension shock absorber |
| CN113757286B (en) * | 2021-09-14 | 2023-08-18 | 北京市劳保所科技发展有限责任公司 | Magnetic suspension vibration damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051026 Termination date: 20110906 |