CN101315836A - Electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism - Google Patents
Electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism Download PDFInfo
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- CN101315836A CN101315836A CNA2008101500678A CN200810150067A CN101315836A CN 101315836 A CN101315836 A CN 101315836A CN A2008101500678 A CNA2008101500678 A CN A2008101500678A CN 200810150067 A CN200810150067 A CN 200810150067A CN 101315836 A CN101315836 A CN 101315836A
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Abstract
The invention discloses a self-adaptive control mechanism which couples an electromagnetic repulsion system with a permanent magnetism system. The invention adopts an electromagnetic repulsion device spinning disk of circular table structure, relatively to the circular disk spinning disk, which maintains the mechanical strength and output capacity of the spinning disk, simultaneously greatly reduces the increase of kinematic scheme mass of the control mechanism, and greatly enhances the driving load capacity of the control mechanism. The control mechanism of the invention adopts the self-adaptive motion proposal, which avoids the frequent high speed motion of a breaker, reduces the mechanical strength request for the breaker, and prolongs the motion life of the breaker effectively.
Description
Technical field
The invention belongs to the operating mechanism that uses in the electric power system circuit breaker, particularly electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism.
Background technology
The operating mechanism of vacuum circuit-breaker mainly contains electromagnetic operating mechanism, spring operating mechanism and permanent-magnet manipulating mechanism etc. at present.
Electromagnetic operating mechanism obtained using more widely in the vacuum circuit-breaker early stage of development, but electromagnetic operating mechanism structure heaviness, and operate time is longer.
Spring operating mechanism is the most frequently used class operating mechanism of vacuum circuit-breaker, its advantage is not need powerful DC power supply, the energy storage motor that only needs a low power AC/DC, its shortcoming is the structure more complicated, number of spare parts is many, and require the machining accuracy height, failure rate is higher.And the power producing characteristics of spring operating mechanism and the load characteristic of vacuum circuit-breaker are not complementary, and carry out appropriate design on contour curve and bar linkage structure.
Permanent-magnet manipulating mechanism is the short operating mechanism of a kind of development time, its use permanent magnet has replaced traditional locker and has realized the maintenance of vacuum circuit-breaker branch, closing position (only not making separating brake with the combined floodgate maintenance of permanent magnet do sometimes keeps), main motion parts has only one during permanent-magnet manipulating mechanism work, divide, switching current is little, requirement to operating power is lower, and its noise is also low.Permanent-magnet manipulating mechanism is relatively simple for structure, the reliable in action height, and mechanical endurance is long, and volume is little, and is in light weight.But under present condition, permanent-magnet manipulating mechanism also can't reach very high responsiveness.
Introduced a kind of quick electromagnetic push driven machine in the document " quick electromagnetic push driven machine ", it is characterized in that being arranged on actuator lever along electromagnetic force that is superposeed on its moving direction and dish spring thrust, electromagnetic force and dish spring thrust that this mechanism is provided with stack make actuator lever realize activating operation, its volume is little and can produce bigger operating work and service speed, realizes quick acting.This device utilizes adjustable dish spring realization snap close with certain pressure in " people " font dish spring tube.
Quick operating mechanism in conjunction with electromagnetic repulsion force device (Thomson drive) and permanent magnet mechanism has been proposed in the document " A DC Hybrid Circuit Breaker With Ultra-Fast Contact Opening andIntegrated Gate-Commutated Thyristors (IGCTs) ", this device uses the electromagnetic repulsion force device as separating brake power, utilize permanent magnet mechanism to carry out branch, closing position maintenance, this device need not mechanical lock buckle, and the average responsiveness in the time of in the circuit breaker that is applied to propose in the literary composition reaches 10m/s.
The electromagnetic repulsion force device that uses in the above-mentioned quick operating mechanism has all adopted the eddy-current disc of round pie, when the load that need drive when quick operating mechanism is big, need the electromagnetic repulsion force device to provide very large electromagnetic repulsion force just can reach responsiveness faster, this moment is in order to improve the mechanical strength of electromagnetic repulsion force mechanism eddy-current disc, must need to increase the thickness of eddy-current disc, thereby cause the significantly increase of eddy-current disc quality, the movement inertia of operating mechanism kinematic system is obviously increased, be unfavorable for that operating mechanism carries out quick actuating under the heavy load situation; Above-mentioned quick operating mechanism only provides unique separating brake action scheme simultaneously, promptly utilize the electromagnetic repulsion force device to realize the quick acting separating brake, when operating mechanism carries out the short circuit separating brake of circuit breaker, quick acting is very important, but in the use of circuit breaker, the short circuit separating brake is uncommon, under the rated current and the separating brake when unloaded then comparatively frequent, frequent high speed motion will propose very high requirement to the intensity of circuit breaker each side, be unfavorable for the useful life that guarantees that circuit breaker is long.
Summary of the invention
The objective of the invention is to overcome above-mentioned prior art deficiency, a kind of electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism are provided, this mechanism structure is reasonable, operational reliability height, long service life.
Technical scheme of the present invention is achieved in that
The present invention includes drive rod, drive rod links to each other with electromagnetic repulsion force device metal eddy-current disc by the hole in the middle of the electromagnetic repulsion force device coil mounting panel, electromagnetic repulsion force device metal eddy-current disc is connected with Monostable permanent magnetic mechanism, the other end of Monostable permanent magnetic mechanism is connected with tripping spring, the other end of tripping spring is connected on the fixed frame, electromagnetic repulsion force device coil stationary is on electromagnetic repulsion force device coil mounting panel, one end of electromagnetic repulsion force device coil is connected with an end of electromagnetic repulsion force device coil power supply electric capacity, the other end of electromagnetic repulsion force device coil, the other end of electromagnetic repulsion force device coil power supply electric capacity is connected with the electronic monitoring module respectively, the electronic monitoring module links to each other with an end of the coil of Monostable permanent magnetic mechanism, the other end of the coil of Monostable permanent magnetic mechanism is in parallel with Monostable permanent magnetic mechanism coil separating brake power supply electric capacity and Monostable permanent magnetic mechanism coil combined floodgate power supply electric capacity, and Monostable permanent magnetic mechanism coil separating brake power supply electric capacity and Monostable permanent magnetic mechanism coil combined floodgate power supply electric capacity are connected on the electronic monitoring module.
Also be fixed with buffer on the described fixed frame.
Effect of the present invention is embodied in:
1) the present invention has adopted the electromagnetic repulsion force device eddy-current disc of frustum cone structure, for the eddy-current disc of round pie, when keeping the eddy-current disc mechanical strength and the ability of exerting oneself, reduce the increase of operating mechanism kinematic system quality largely, can improve the ability of the driving load of operating mechanism significantly.
2) the present invention has adopted the action scheme of self-adaptation type, has avoided the frequent high speed motion of circuit breaker, has alleviated the requirement of mechanical strength of circuit breaker, can prolong the operating life of circuit breaker effectively.
Description of drawings
Fig. 1 is the structural representation of the present invention under the combined floodgate hold mode.
Fig. 2 is the structural representation of the present invention under the separating brake hold mode.
Below in conjunction with accompanying drawing content of the present invention is described in further detail.
Embodiment
Referring to Fig. 1, shown in Figure 2, the present invention mainly is made of by can axially movable drive rod connecting electromagnetic repulsion force device and Monostable permanent magnetic mechanism.
The electromagnetic repulsion force device has the electromagnetic repulsion force device metal eddy-current disc 4 that is fixedly installed on the drive rod 1 and the electromagnetic repulsion force device coil 3 on the electromagnetic repulsion force device coil mounting panel 2, electromagnetic repulsion force device coil mounting panel 2 can be fixed on the applied circuit breaker frame of the present invention, and 11 pairs of electromagnetic repulsion force devices of electronic monitoring module 14 control electromagnetic repulsion force device coil power supply electric capacity coil 3 is powered.
Monostable permanent magnetic mechanism has the moving iron core 8 of the Monostable permanent magnetic mechanism that is fixedly installed on the drive rod, be fixed in the present invention and use Monostable permanent magnetic mechanism static iron core 6 on the circuit breaker frame, the Monostable permanent magnetic mechanism permanent magnet 5 and the Monostable permanent magnetic mechanism coil 7 that connect firmly with Monostable permanent magnetic mechanism static iron core 6, and one end and drive rod connect firmly, the tripping spring 9 that the other end and fixed frame 16 connect firmly, precharge Monostable permanent magnetic mechanism coil separating brake power supply electric capacity 12 of electronic monitoring module 14 controls and Monostable permanent magnetic mechanism coil combined floodgate power supply electric capacity 13 are powered to Monostable permanent magnetic mechanism coil 7 at different operating states.
The corresponding structure setting also comprises the buffer unit 10 that is fixed on the fixed frame 16, and the buffer cap of buffer unit 10 and drive rod 1 are positioned on the same axis.
Entire mechanism is a circular configuration, all parts about drive rod axis to symmetry.
The operation principle of this mechanism is as follows:
Quick short circuit separating brake: 11 pairs of electromagnetic repulsion force devices of the electronic monitoring module 14 precharge electromagnetic repulsion force device coil power supply electric capacity of control coil, 3 discharge generation high-frequency current and magnetic fields, under the effect of high frequency magnetic field, induce in the electromagnetic repulsion force device metal eddy-current disc 4 with electromagnetic repulsion force device coil 3 in the eddy current of current reversal, the magnetic field that coil current and eddy current produce separately is inverse relationship, the two-way interaction produces the mutual exclusion electric power, eddy-current disc drives drive rod and moves vertically, make drive rod arrive separating brake holding position (Fig. 2), make drive rod 1 maintain the separating brake holding position by the tripping spring 9 that is in extended state.
Normal fast separating brake action under the rated current, when unloaded: 12 pairs of Monostable permanent magnetic mechanism coils of the precharge Monostable permanent magnetic mechanism coil separating brake power supply electric capacity of electronic monitoring module 14 controls, 7 discharges, this electric current produces the magnetic field opposite with magnetic field of permanent magnet in moving iron core upper end, make that iron core is subjected to make progress make a concerted effort less than downward making a concerted effort, moving iron core drives drive rod and moves downward arrival separating brake holding position vertically, as Fig. 2, the tripping spring 9 that is in extended state makes drive rod 1 maintain the separating brake holding position.
Close a floodgate: 13 pairs of Monostable permanent magnetic mechanism coils of Monostable permanent magnetic mechanism combined floodgate power supply electric capacity, 7 discharges that 14 controls of electronic monitoring module are opposite with Monostable permanent magnetic mechanism separating brake power supply electric capacity 12 pre-charge voltages, this electric current is in the inner generation of the static iron core magnetic field identical with the permanent magnet magnetic field direction, the magnetic attraction that the iron core upper end is subjected to increases, making a concerted effort upwards greater than downward making a concerted effort, moving iron core drive drive rod moves upward vertically and arrives the combined floodgate holding position, as Fig. 1, produce magnetic attraction by Monostable permanent magnetic mechanism permanent magnet 5 and make drive rod maintain the combined floodgate holding position.
Claims (2)
1, electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism, comprise drive rod (1), it is characterized in that, drive rod (1) links to each other with electromagnetic repulsion force device metal eddy-current disc (4) by the hole in the middle of the electromagnetic repulsion force device coil mounting panel (2), electromagnetic repulsion force device metal eddy-current disc (4) is connected with Monostable permanent magnetic mechanism (15), the other end of Monostable permanent magnetic mechanism (15) is connected with tripping spring (9), the other end of tripping spring (9) is connected on the fixed frame (16), electromagnetic repulsion force device coil (3) is fixed on the electromagnetic repulsion force device coil mounting panel (2), one end of electromagnetic repulsion force device coil (3) is connected with an end of electromagnetic repulsion force device coil power supply electric capacity (11), the other end of electromagnetic repulsion force device coil (3), the other end of electromagnetic repulsion force device coil power supply electric capacity (11) is connected with electronic monitoring module (14) respectively, electronic monitoring module (14) links to each other with an end of the coil of Monostable permanent magnetic mechanism (15), the other end of the coil of Monostable permanent magnetic mechanism (15) is in parallel with Monostable permanent magnetic mechanism coil separating brake power supply electric capacity (12) and Monostable permanent magnetic mechanism coil combined floodgate power supply electric capacity (13), and Monostable permanent magnetic mechanism coil separating brake power supply electric capacity (12) and Monostable permanent magnetic mechanism coil combined floodgate power supply electric capacity (13) are connected on the electronic monitoring module (14).
2, electromagnetic repulsion force system according to claim 1 and permanent magnetic system coupled self-adapting control mechanism is characterized in that, buffer (10) is fixed on the fixed frame (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101500678A CN101315836B (en) | 2008-06-17 | 2008-06-17 | Electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101500678A CN101315836B (en) | 2008-06-17 | 2008-06-17 | Electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism |
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| CN101315836A true CN101315836A (en) | 2008-12-03 |
| CN101315836B CN101315836B (en) | 2010-07-21 |
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| CN2008101500678A Expired - Fee Related CN101315836B (en) | 2008-06-17 | 2008-06-17 | Electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism |
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| CN101986407A (en) * | 2010-12-06 | 2011-03-16 | 东南大学 | Quick control mechanism of ultrahigh pressure vacuum circuit breaker and control method thereof |
| CN101645376B (en) * | 2009-08-25 | 2012-01-25 | 北京四方华能电气设备有限公司 | Digitized intelligent rapid permanent-magnet breaker |
| CN102360707A (en) * | 2010-06-01 | 2012-02-22 | 罗伯特·博世有限公司 | Electromagnet assembly and injection valve having the same |
| CN102751116A (en) * | 2012-07-19 | 2012-10-24 | 福州大学 | Quick electromagnetic repulsion mechanism based on fault current energy and change rate and application of quick electromagnetic repulsion mechanism |
| CN103762547A (en) * | 2014-01-08 | 2014-04-30 | 西安交通大学 | Modular high-voltage vacuum direct current on-off device based on artificial zero crossing |
| CN104246923A (en) * | 2012-03-16 | 2014-12-24 | 黑格电子股份有限公司 | Electromagnetic actuator having controlled impedance |
| WO2015003370A1 (en) | 2013-07-11 | 2015-01-15 | 西门子公司 | Magnetic actuator |
| CN105161325A (en) * | 2015-08-18 | 2015-12-16 | 平高集团有限公司 | Dynamic repulsion disk and repulsion mechanism using same |
| CN105428149A (en) * | 2015-12-22 | 2016-03-23 | 福州大学 | Direct connection dual-arc-extinguish-chamber type high-voltage rapid change-over switch |
| CN105761961A (en) * | 2016-04-06 | 2016-07-13 | 中国船舶重工集团公司第七〇二研究所 | Electromagnetic repulsion force mechanism |
| WO2017021022A1 (en) * | 2015-08-05 | 2017-02-09 | Ellenberger & Poensgen Gmbh | Circuit breaker |
| CN107146735A (en) * | 2017-07-11 | 2017-09-08 | 哈尔滨理工大学 | High-pressure vacuum breaker permanent-magnet manipulating mechanism based on electromagnetic repulsion force principle |
| CN107208586A (en) * | 2015-02-26 | 2017-09-26 | 舍弗勒技术股份两合公司 | Method for displaying fault results and error detection for vehicle diagnostic system authentication, simulating extreme or faulty magnetic valves |
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| CN101645376B (en) * | 2009-08-25 | 2012-01-25 | 北京四方华能电气设备有限公司 | Digitized intelligent rapid permanent-magnet breaker |
| CN102360707A (en) * | 2010-06-01 | 2012-02-22 | 罗伯特·博世有限公司 | Electromagnet assembly and injection valve having the same |
| CN101986407B (en) * | 2010-12-06 | 2013-01-30 | 东南大学 | Quick control mechanism of ultrahigh pressure vacuum circuit breaker and control method thereof |
| CN101986407A (en) * | 2010-12-06 | 2011-03-16 | 东南大学 | Quick control mechanism of ultrahigh pressure vacuum circuit breaker and control method thereof |
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