CN103280381A - Outdoor alternating-current high-voltage falling type sectionalizer with permanent magnetic mechanism arranged inside main conductive body - Google Patents
Outdoor alternating-current high-voltage falling type sectionalizer with permanent magnetic mechanism arranged inside main conductive body Download PDFInfo
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- CN103280381A CN103280381A CN2013102299846A CN201310229984A CN103280381A CN 103280381 A CN103280381 A CN 103280381A CN 2013102299846 A CN2013102299846 A CN 2013102299846A CN 201310229984 A CN201310229984 A CN 201310229984A CN 103280381 A CN103280381 A CN 103280381A
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Abstract
The invention mainly relates to an outdoor alternating-current high-voltage falling type sectionalizer with a permanent magnetic mechanism arranged inside a main conductive body. The sectionalizer comprises an automatic drop-out portion, a drop-out mechanism and an automatic switch-off control driving portion, wherein the automatic drop-out portion is composed of an installation portion, an insulating portion and a main conductive return circuit. Composite insulators are adopted by the three-linkage structure of the sectionalizer, the insulators are low in weight and thereby small in moving inertia, a three-phase linkage function and an automatic reset function are conveniently achieved, and three-phase linkage and automatic reset of the sectionalizer are made to be more reliable. Springing lock pin structures assembled on linkage rotating arms enable the installation of the three-linkage structure to be more rapid and convenient to conduct.
Description
Technical field
The present invention relates to a kind of outdoor AC high-voltage drop type sectionalizer, is that a kind of permanent magnet mechanism places the inner outdoor AC high-voltage drop type sectionalizer of main electric conductor (contact tube) specifically.
Background technology
In 10 kilovolts of outdoor AC high-voltage distribution lines, adopt both at home and abroad mostly ac high-voltage automatic circuit and ac high-voltage sectionalizer or have the protection form that the ac hv breaker of single shot reclosing function matches with the ac high-voltage sectionalizer.In China; the ac high-voltage sectionalizer is widely used as a kind of novel 10 kilovolts of high voltage power distributions protection equipment, and some vacuum, FS6, guillotine type, drop type, spring mechanism, the electromagnetic mechanism formula, permanent magnet mechanism formula all comes out one after another in succession.Wherein: the outdoor AC high-voltage sectionalizer of drop type electromagnetic mechanism three-phase linkage type and vacuum spring mechanism three-phase coenosarc structural formula outdoor AC high-voltage sectionalizer, need not because it has that outer power supply source, structure are simple relatively, installation, operation and advantage such as easy to maintenance, and use more.In actual motion in the past few years, also exposed such as still being weak at aspects such as condensation, ponding and anti-electromagnetic interference.
The utility model patent ZL2005 2,009 1484.1 split type three-phase interlock drop type sectionalizer of can transposing, its three-phase interlock insulator is to water dress by electric porcelain insulator cast iron end cap cement to form, it is inconvenient that its quality is reappeared an installation, and moving inertia is little, and automatically reseting, Enough is unreliable.The plug complex structure of three serial verb constructions also handy pin is fixed, the numerous rope of manufacturing process not only, on electric pole on-the-spot install also pretty troublesome.
The non-dismountable formula three linkage type drop types of integral installation that have at present big sharp AK difficult to understand company to produce the in the world device (can not automatically reset) that paragraphs, domestic have an automatically reset drop type sectionalizer of mechanism on the patent of invention ZL2005.10046750.3 post; The drop type sectionalizer that mechanism's automation resets on utility model ZL2005 20091483.7 posts; All there is defective in various degree.
Designed a kind of permanent magnet mechanism of good seal for this reason and it be assemblied in main conductive circuit---the outdoor AC high-voltage drop type sectionalizer of contact tube inner structure form, to solve the above-mentioned problem that exists, improve the reliability of power supply.
Summary of the invention
Goal of the invention
The invention provides the outdoor AC high-voltage drop type sectionalizer that a kind of permanent magnet mechanism places main electric conductor inside, its purpose is to solve problems such as the anti-electromagnetic interference of outdoor AC high-voltage drop type sectionalizer, condensation, ponding, improves the reliability of outdoor AC high-voltage drop type sectionalizer safe operation.
Technical scheme
A kind of permanent magnet mechanism places the outdoor AC high-voltage drop type sectionalizer of main electric conductor inside, it is characterized in that: this sectionalizer comprises by cross-arm, the mounting portion that support plate is formed, by mounting panel, the insulated part that high tension electrical porcelain insulator is formed, mainly by upper connecting terminal, the parallel plate type upper static contact, the contact tube assembling, fixed contact under the parallel plate type, the main conductive circuit that lower connecting terminal is formed, by the lower moving contact coupled frame, the dropout plate, the automatic dropout part that pivoted arm is formed, by lower supporting frame, linked block, resetting block, the interlock support, the interlock operation panel, last moving contact, dropout interlock pivoted arm, the rectangular cover of interlock, overlap the three-phase interlock separating brake tripping mechanism of composition and assemble interior electronic controller by contact tube interlock composite insulator and interlock side, the control instrument transformer, the charging instrument transformer, hermetically sealed magnetic screen permanent magnet mechanism, the automatic brake separating control drive part that frizzen is formed;
Described three-phase interlock separating brake tripping mechanism can carry out manual three-phase interlock separating brake dropout, manual single-phase separating brake dropout and three interlock automatic brake separatings and thread off, and its knot is as follows:
Lower supporting frame, linked block, resetting block, interlock support, interlock operation panel constitute the manual three-phase interlock separating brake dropout part of tripping mechanism, lower supporting frame, contact tube assemble, go up the single-phase manual brake separating dropout part of the annulus hole formation tripping mechanism on the moving contact, and lower supporting frame, linked block, resetting block, interlock support, dropout interlock pivoted arm, lower moving contact coupled frame, dropout plate, pivoted arm, the rectangular cover of interlock, interlock composite insulator, interlock side's cover constitute three interlock automatic brake separating dropout parts of tripping mechanism;
Cross-arm is arranged on the support plate, support plate connects the middle part of high tension electrical porcelain insulator by mounting panel, fixedly connected with the parallel plate type upper static contact with upper connecting terminal in the high tension electrical porcelain insulator upper end, fixed contact is fixedlyed connected with the interlock support under high tension electrical porcelain insulator lower end and lower connecting terminal, the parallel plate type, the interlock support is provided with dropout interlock pivoted arm and linked block, and dropout interlock pivoted arm is provided with resetting block; Linked block is provided with lower supporting frame, and the lower end hinge of the pivoted arm of the lower end of lower supporting frame and contact tube assembling links, and the upper end of pivoted arm and lower moving contact coupled frame hinge link, and the upper end of contact tube assembling is provided with moving contact, and its top is the parallel plate type upper static contact; The lower moving contact coupled frame below of contact tube assembling is provided with the dropout plate, but the dropout plate is connected with the snap close of pivoted arm for folding.
The upper connecting terminal of the upper end of sectionalizer insulated part and the main conductive circuit of sectionalizer, parallel plate type upper static contact, upper reinforcing plate, umbrella, pulling load support firmly tighten together with bolt and alignment pin.
Fixed contact, lower connecting terminal, interlock support firmly tighten together with bolt and alignment pin under the parallel plate type of the lower end of sectionalizer insulated part and the main conductive circuit of sectionalizer, and the carrier assembling that the three-phase interlock separating brake tripping mechanism of sectionalizer is linked together and forms sectionalizer by the interlock support.
Described hermetically sealed magnetic screen permanent magnet mechanism places sectionalizer main conductive circuit inside, and hermetically sealed magnetic screen permanent magnet mechanism is made up of clamping cap, magnetic screen, cover, permanent magnet, magnetic pole rubber cushion, magnetic pole, coil assembling, moving iron core, yoke, positioning sleeve, mechanism's seat, O-ring seal, magnetic boots, mechanism's spring, lip-type packing, frizzen;
Be inserted on the cylindrical of permanent magnet, the magnetic pole rubber cushion is inserted in its large end face on the magnetic pole boss platform and inhales with the end face of the permanent magnet that is inserted in cover and connect, its outside that contacts with magnetic screen, the other end of permanent magnet joins with clamping cap, coil assembling inner hole sleeve is contained on the magnetic pole boss platform and coil lead is drawn by the clamping cap mesopore, magnetic pole and a moving end adhesive unshakable in one's determination, the moving other end unshakable in one's determination connects the permanent magnet mechanism frizzen, moving outer cover unshakable in one's determination is provided with yoke, sheathed mechanism spring between yoke and permanent magnet mechanism frizzen, the magnetic boots other end is provided with mechanism's seat, O-ring seal places mechanism seat outer face, mechanism's cover for seat also is provided with positioning sleeve in permanent magnet mechanism frizzen outside and by the lip-type packing sealing between yoke and mechanism's seat.
Be provided with the interlock composite insulator between the adjacent two-phase sectionalizer, the rectangular cover of interlock, interlock side's cover use bolted at the two ends of interlock composite insulator respectively, every sectionalizer has two groups of these structures, and wherein one group is equipped with the interlock operation panel between the rectangular cover of interlock and interlock composite insulator.
The carrier assembling of sectionalizer links together three phase structures of sectionalizer by interlock dropout part, the assembling of dropout interlock pivoted arm, the rectangular cover of interlock, interlock composite insulator, interlock side's cover of sectionalizer, bolted is applied mechanically together by the rectangular cover of interlock, interlock composite insulator, interlock side, one end of interlock composite insulator connects the rectangular cover of interlock, the other end connects interlock side's cover, the rectangular nose end of the rectangular cover of interlock inserts the rectangular boss end that dropout interlock pivoted arm has the springing lock pin, forms dismountable elasticity locking; The square hole end of interlock side's cover inserts the square shaft end of the dropout interlock pivoted arm of another single-phase sectionalizer that closes on phase.
Advantage and effect
Advantage of the present invention and beneficial effect are as follows:
Three serial verb constructions of the present invention have adopted composite insulator, and its quality is light, so moving inertia is urinated in the realization of three-phase interlock and auto-reset function, make the three-phase interlock of sectionalizer and automatically reset more reliable; The springing detent configuration of interlock pivoted arm assembling makes the installation of three serial verb constructions more efficient and convenient;
The present invention has adopted hermetically sealed magnetic screen permanent magnet mechanism, is made the interference that can effectively shield low frequency magnetic field by ferromagnetic material;
Simplify the structure of sectionalizer, solved problems such as the anti-electromagnetic interference of outdoor AC high-voltage drop type sectionalizer, condensation, ponding, improved the reliability of outdoor AC high-voltage drop type sectionalizer safe operation.
Description of drawings
Fig. 1 is sectionalizer front view of the present invention;
Fig. 2 is that sectionalizer B is to view;
Fig. 3 is the conducting rod installation diagram;
Fig. 4 is hermetically sealed magnetic screen formula permanent magnetic motor composition;
Fig. 5 is the upper static contact structure chart of parallel plate type automatic gain contact pressure;
Fig. 6 is following fixed contact---parallel-plate contact pressure automatic gain structure chart;
Fig. 7 is dropout interlock pivoted arm assembling enlarged drawing;
Embodiment:
The present invention is described further below in conjunction with accompanying drawing:
Fig. 1 is front view of the present invention, Fig. 2 is that the B of Fig. 1 is to view, as shown in Fig. 1 and Fig. 2, the present invention proposes the outdoor AC high-voltage drop type sectionalizer that a kind of permanent magnet mechanism places main electric conductor inside, it is characterized in that: this sectionalizer comprises by cross-arm 1, the mounting portion that support plate 2 is formed, by mounting panel 3, the insulated part that high tension electrical porcelain insulator 4 is formed, by upper connecting terminal 5, parallel plate type upper static contact 8, contact tube assembling 10, fixed contact 12 under the parallel plate type, the main conductive circuit that lower connecting terminal 15 is formed, by lower moving contact coupled frame 11, dropout plate 13, the automatic dropout part that pivoted arm 14 is formed, by lower supporting frame 24, linked block 16, resetting block 17, interlock support 18, interlock operation panel 26, last moving contact 9, dropout interlock pivoted arm 19, the rectangular cover 23 of interlock, overlap the 25 three-phase interlock separating brake tripping mechanisms of forming and assemble 10 interior electronic controller 10-3 by contact tube interlock composite insulator 22 and interlock side, control instrument transformer 10-4, charging instrument transformer 10-5, hermetically sealed magnetic screen permanent magnet mechanism 10-6, the automatic brake separating control drive part that frizzen 116 is formed.
Described three-phase interlock separating brake tripping mechanism can carry out manual three-phase interlock separating brake dropout, manual single-phase separating brake dropout and three interlock automatic brake separatings and thread off, and its knot is as follows:
Lower supporting frame 24, linked block 16, resetting block 17, interlock support 18, interlock operation panel 26 constitutes the manual three-phase interlock separating brake dropout part of tripping mechanism, lower supporting frame 24, contact tube assembling 10, annulus hole 117 on the last moving contact 9 constitutes the single-phase manual brake separating dropout part of tripping mechanism, lower supporting frame 24, linked block 16, resetting block 17, interlock support 18, dropout interlock pivoted arm 19, lower moving contact coupled frame 11, dropout plate 13, pivoted arm 14, the rectangular cover 23 of interlock, interlock composite insulator 22, interlock side's cover 25 constitutes three interlock automatic brake separating dropout parts of tripping mechanism.
Cross-arm 1 is arranged on the support plate 2, support plate 2 connects the middle part of high tension electrical porcelain insulator 4 by mounting panel 3, fixedly connected with parallel plate type upper static contact 8 with upper connecting terminal 5 in high tension electrical porcelain insulator 4 upper ends, fixed contact 12 is fixedlyed connected with interlock support 18 under high tension electrical porcelain insulator 4 lower ends and lower connecting terminal 15, the parallel plate type, interlock support 18 is provided with dropout interlock pivoted arm 19 and linked block 16, and dropout interlock pivoted arm 19 is provided with resetting block 17; Linked block 16 is provided with lower supporting frame 24, and lower supporting frame 24 links with the lower end hinge of the pivoted arm 14 of the lower end of contact tube assembling 10, and the upper end of pivoted arm 14 and lower moving contact coupled frame 11 hinges link; The upper end of contact tube assembling 10 is provided with moving contact 9, and its top is parallel plate type upper static contact 8; The lower end of contact tube assembling 10 is provided with lower moving contact coupled frame 11, the contact face of lower moving contact coupled frame contacts with fixed contact 12 under the parallel plate type and keeps certain contact pressure, lower moving contact coupled frame below is provided with dropout plate 13, but dropout plate 13 is connected for the snap close of folding with pivoted arm 14; Contact tube assembling bottom also is provided with spacer pin 30.
The upper connecting terminal 5 of the upper end of sectionalizer insulated part and the main conductive circuit of sectionalizer, parallel plate type upper static contact 8, upper reinforcing plate 27, umbrella 28, pulling load support 118 usefulness bolts and alignment pin firmly tighten together.
Fixed contact 12, lower connecting terminal 15, interlock support 18 usefulness bolts and alignment pin firmly tighten together under the parallel plate type of the lower end of sectionalizer insulated part and the main conductive circuit of sectionalizer, and the carrier assembling that the three-phase interlock separating brake tripping mechanism of sectionalizer is linked together and forms sectionalizer by interlock support 18.
As shown in Figure 3 and Figure 4, described hermetically sealed magnetic screen permanent magnet mechanism 10-6 places sectionalizer main conductive circuit inside, and hermetically sealed magnetic screen permanent magnet mechanism is made up of clamping cap 101, magnetic screen 102, cover 103, permanent magnet 104, magnetic pole rubber cushion 105, magnetic pole 106, coil assembling 107, moving iron core 108, yoke 109, positioning sleeve 110, mechanism's seat 111, O-ring seal 112, magnetic boots 113, mechanism's spring 114, lip-type packing 115, frizzen 116.
The yoke 109 of magnetic boots 113 other ends, mechanism's spring 114, permanent magnet mechanism frizzen 116, positioning sleeve 110, lip-type packing 115, mechanism's seat 111 are inserted in regular turn in the magnetic boots 113 and are screwed by mechanism's seat 111 and magnetic boots 113 screw threads, and O-ring seal 112 places mechanism's seat 111 outer faces; Magnetic boots 113 two ends and clamping cap 101 hole silica gel sealings.
Be provided with interlock composite insulator 22 between the adjacent two-phase sectionalizer, the rectangular cover 23 of interlock, interlock side's cover 25 use bolted at the two ends of interlock composite insulator 22 respectively, every sectionalizer has two groups of these structures, and wherein one group is equipped with interlock operation panel 26 at the rectangular cover 23 of interlock and 22 of interlock composite insulators.
As shown in figures 1 and 3, circular shaft on the pivoted arm 14 of contact tube assembling bottom is contained in the circular recess on the lower supporting frame 24, form and rotate moving hinge structure flexibly, during combined floodgate, the contact face of the lower moving contact coupled frame 11 of contact tube assembling bottom contacts with fixed contact 12 under the parallel plate type and keeps certain contact pressure.The last moving contact 9 on contact tube assembling top is located to form moving combination by the pressure of touch spring 6 with the recessed circle of the parallel plate type upper static contact 8 of the main conductive circuit of the carrier assembling of sectionalizer; Put the phase structure that this forms sectionalizer.
The carrier assembling of sectionalizer is by the interlock dropout part of sectionalizer, dropout interlock pivoted arm assembling 19, the rectangular cover 23 of interlock, interlock composite insulator 22, interlock side's cover 25 three phase structures with sectionalizer link together, the rectangular cover 23 of interlock, interlock composite insulator 22, interlock side's cover 25 usefulness bolted together, one end of interlock composite insulator 22 connects the rectangular cover 23 of interlock, the other end connects interlock side's cover 25, the rectangular nose end of the rectangular cover 23 of interlock inserts the rectangular boss end that dropout interlock pivoted arm 19 has springing lock pin 21, springing lock pin 21 pins the rectangular cover 23 of interlock automatically can not deviate from it, form dismountable elasticity locking, the square hole end of interlock side's cover 25 inserts the square shaft end of the dropout interlock pivoted arm 19 of another single-phase sectionalizer that closes on phase, finishes the rotational synchronization of facing two-phase mutually like this and connects; In like manner another faces mutually connection too mutually; Three linkage type drop type sectionalizers have been formed.But de-rotation 45 synchronously can be realized three synchronised manual brake separating and automatic brake separatings of sectionalizer.
The automatic brake separating of sectionalizer: see Fig. 1 and Fig. 3, the user can on-the-spot adjust starting current and the counts that sectionalizer is adjusted in toggle switch position on the electronic controller 10-3 of sectionalizer as required, when short trouble appears in circuit, and when reaching the starting current of preset and counts, and at higher level's switch separating brake, line current falls in below 300 milliamperes the time, the controllable silicon of the electronic controller 10-3 of sectionalizer passes through the capacitor of electronic controller 10-3 to the solenoid discharge of permanent magnet mechanism 10-6, the moving iron core of permanent magnet mechanism 10-6 overcomes the permanent magnet magnetic force of permanent magnet mechanism 10-6 under the force action of electromagnetic force and permanent magnet mechanism tripping spring power, drive frizzen 116 and ejection rapidly, trigger dropout plate 13, the combined floodgate hinge of its other end gib head and pivoted arm 14 is opened, the thrust of fixed contact 12 under parallel plate type, the outwards below rotation under the pressure of gravity and touch spring 6 of conducting rod assembling 10, make in the round recess of moving contact 9 by parallel plate type upper static contact 8, conducting rod assembling 10 outwards below is fallen, simultaneously because the power of passing through of conducting rod assembling 10 hooks together dropout plate 13 and pivoted arm 14 combined floodgate hinges resets, and bump dropout interlock pivoted arm 19 makes its rotation 45, because the interlock dropout partial action of sectionalizer is realized the three-phase interlock automatic brake separating of sectionalizer.
The combined floodgate of sectionalizer: behind the sectionalizer automatic brake separating, at first hooking interlock operation panel 26 holes with insulation hook stick hook pulls down and makes dropout interlock pivoted arm long handle perpendicular to ground, hooking moving contact 9 circular hole oblique uppers with insulation hook stick hook then pushes in the round recess of parallel plate type upper static contact 8, other two-phase sectionalizer is incorporated into respectively in the round recess of parallel plate type upper static contact 8, the combined floodgate of sectionalizer closes a floodgate and finishes in accordance with the law again.
Operation principle of the present invention is as follows:
1. operating principle: "on" position, permanent magnet 104, magnetic pole 106, moving 108 adhesives unshakable in one's determination, when coil assembling 107 has electric current to flow through, coil produces magnetic field this magnetic field force opposite with permanent magnet 104 directions and mechanism's spring 114 all acts on moving unshakable in one's determination 108 with joint efforts, this is made a concerted effort greater than the attraction of permanent magnet 104, the adhesive static balancing is destroyed, thereby moving 108 meetings unshakable in one's determination drive frizzen 116 and eject rapidly, realize separating brake.
2. design hermetically sealed magnetic screen permanent magnet mechanism and see Fig. 4, the interference that can effectively shield low frequency magnetic field is made in hermetically sealed magnetic screen by ferromagnetic material.It constitutes monostable magnetic force systems by permanent magnet and magnetic pole, by solenoid, moving unshakable in one's determination, spring constitutes the power-driven system of permanent magnet mechanism, the electronic controller of sectionalizer can pre-set in advance according to the user automatically and differentiate when line failure, reaching preset value then can trigger controllable silicon and open capacitor and electromagnetic coil circuit, produce an electromagnetism magnetic field opposite with permanent magnet intrinsic magnetic field direction, like this magnetic actuating force that produces of electromagnetic field add spring force make a concerted effort drive moving unshakable in one's determination rapidly to permanent magnet mechanism outside direction eject and drive drive rod and hit out minute flashboard and then open combined floodgate hinge between branch flashboard and pivoted arm, pivoted arm is in following fixed contact pushing force, the contact tube assembling is outwards below rotation under the acting in conjunction of gravity and upper static contact spring pressure, driving the conducting rod assembling falls, make the main conductive circuit of sectionalizer disconnect the obvious fracture of formation, sectionalizer is realized separating brake.
3. hermetically sealed magnetic screen permanent magnet mechanism (hereinafter to be referred as permanent magnet mechanism) is installed in main conductive circuit---in the contact tube, utilize equipotential principle namely cleverly high voltage and voltage devices to be combined in identical carrier, namely utilizing main conductive circuit---contact tube (copper pipe) can be realized the electric action under the high voltage again to the shielding action of high frequency magnetic field.This volume that has not only dwindled sectionalizer has still solved the difficult problem of the rainproof condensation of mechanism.More solved and prevented electromagnetic interference problem.
Because the permanent magnet mechanism ectosome is to make with ferromagnetic material, ferromagnetic material is the exhausted Cui material of shielding low frequency magnetic field, so all magnetic spares of putting within it all can be avoided its evil.
Using the equipotential principle cleverly places permanent magnet mechanism in the main electric conductor (contact tube); this not only makes the light current device be placed under high voltage, the heavy current becomes possibility; and to utilize main electric conductor (contact tube) be to make with copper material; under finishing high voltage, in the conduction task, also finished the anti-interference protection to its inside high frequency magnetic field.
4. sectionalizer adopts sub-parallel plate type contact pressure automatic gain structure:
As shown in Figure 5, upper static contact---parallel plate type contact pressure automatic gain structure chart, this structure is by forming as lower member: umbrella 28, parallel plate type upper static contact 8, upper static contact spring 6, spring banking pin 8-4, auxiliary shell fragment 8-5, twin drum pulling rivet 8-6, upper reinforcing plate 27.
Structural relation: described parallel plate type upper static contact 8, be by a copper coin tear open curved 180 ° and its down parallel-plate to be provided with the recessed segment shape circle of circle recessed, in the circle recessed top one small sircle hole is arranged, shape is seen Fig. 5.
Umbrella 28, upper reinforcing plate 27, parallel plate type upper static contact 8, auxiliary shell fragment 8-5, by twin drum pulling rivet 8-6 it is closely riveted together from top to bottom, by spring banking pin 8-4 upper static contact spring 6 is fixed between parallel plate type upper static contact 8 parallel-plates, riveting jail, spring banking pin 8-4 lower end is in the circular hole of parallel plate type upper static contact 8 circle recessed top, and the following flat board that guarantees parallel plate type upper static contact 8 can be gone up and presses and rebound.
As shown in Figure 6, following fixed contact---parallel plate type contact pressure automatic gain structure chart, this structure is by forming as lower member: lower reinforcing plate 12-1, lower conducting plate 12-2, snap rivet 12-3, down shell fragment 12-4, and 4 following fixed contact 12-5 integrated.
Structural relation: following shell fragment 12-4,4 following fixed contact 12-5, lower conducting plate 12-2, lower reinforcing plate 12-1 parallel and equidistant closed assembly use snap rivet 12-3 riveting jail from top to bottom, and wherein 4 following fixed contacts are to have again than the material of strong elasticity with existing excellent conductive performance to make.
Fixed contact was seen Fig. 1 with bolted at the upper/lower terminal of the insulated part of sectionalizer respectively under upper static contact reached, circular shaft on the pivoted arm 14 of contact tube assembling is contained in the circular recess on the lower supporting frame 24, form and rotate moving hinge structure flexibly, during combined floodgate, the contact face of the lower moving contact coupled frame of contact tube assembling bottom contacts with fixed contact 12 under the parallel plate type and keeps necessarily contacting pressure.The last moving contact 1 on contact tube assembling top forms moving combination with the recessed circle place of the parallel plate type upper static contact 8 of the main conductive circuit of the carrier assembling of sectionalizer by touch spring pressure.
Illustrate: though generally be not that the sectionalizer of parallel plate type structure also can carry the following load current of sectionalizer rated current, but as bigger short circuit current (surpass 16 kilo-amperes) when passing through, under powerful electrodynamic action, between dynamic and static contact, can produce electric arc generation scaling loss even scorification in various degree and cause switch to refuse branch together, the occurrence of large-area power outage.
Adopt parallel plate type contact pressure automatic gain structure, as bigger short circuit current (surpass 16 kilo-amperes) when passing through, under powerful electrodynamic effect, automatically increase according to left hand rule parallel plate type contact pressure, short circuit current big contact pressure is big, short circuit current small contact pressure is little, when not having short circuit current to pass through, sectionalizer will recover the normal contact pressure under the touch spring pressure automatically, is conducive to so manually close, sub-switching operation makes dependent manual operation become lighter.This structure can easily reach the superelevation value of dynamic current 25 kilo-amperes of sectionalizer.This is that the sectionalizer of other structure of contact terminal is too far behind to catch up.
5. composite insulator, springing lockpin-type three-phase linkage
As Fig. 1 sectionalizer front view, Fig. 2 sectionalizer B to view; These three linkages are by forming as lower member: lower supporting frame 24, linked block 16, resetting block 17, interlock support 18, the assembling of dropout interlock pivoted arm, the rectangular cover 23 of interlock, interlock composite insulator 22, interlock side's cover 25, interlock operation panel 26 are formed.Wherein, see Fig. 7 interlock pivoted arm assembling enlarged drawing of threading off.The assembling of dropout interlock pivoted arm is made up of dropout interlock pivoted arm 19, tumbler spring 20, springing lock pin 21.
Dropout interlock rotary arm assembling structure relation: springing lock pin 21, is blocked its lower end, hole screw with holding screw in the circular hole of the rectangular boss end that is contained in dropout interlock pivoted arm 19 down at last tumbler spring 20; Springing lock pin 21 can springing up and down in the circular hole of the rectangular boss end of dropout interlock pivoted arm.
The insulated part bottom that interlock support 18 places sectionalizer with bolted together, supporting body as three serial verb constructions, the square shaft end of dropout interlock pivoted arm assembling inserts in the circular hole of interlock support 18 belows, resetting block 17 is inserted in square shaft and places in the interlock support 18, lower supporting frame 24, linked block 16 usefulness round pins place another circular hole of interlock support 18 belows, and guarantee that the long handle of stirring linked block 16 dropout interlock pivoted arms 19 rotates 45 °, resetting block 17 drives linked block 16 and lower supporting frame 24 can rotate up and down.
The rectangular cover 23 of interlock, interlock side's cover 25 use bolted at the two ends of interlock composite insulator 22 respectively, every sectionalizer has two groups of these structures, and wherein one group is equipped with interlock operation panel 26 at the rectangular cover 23 of interlock and 22 of interlock composite insulators and is used for manual brake separating operation and combined floodgate reset operation.
The square hole of interlock side's cover 25 of this three serial verb construction is connected with the square shaft end of the dropout interlock pivoted arm assembling of single-phase sectionalizer, the rectangular boss end that the dropout interlock pivoted arm that the rectangular cover 23 rectangular nose ends of the interlock of three serial verb constructions insert the single-phase sectionalizer of another assembles also springs in the circular hole of the rectangular cover 23 press for extracting juice end faces of interlock springing lock pin 21, make another organize three serial verb constructions equally and link to each other with the 3rd single-phase sectionalizer, formed three-phase interlock sectionalizer.
Owing to adopted composite insulator, its quality is light, so moving inertia is urinated in the realization of three-phase interlock and auto-reset function, makes the three-phase interlock of sectionalizer and automatically resets more reliable.The springing detent configuration of interlock pivoted arm assembling makes the installation of three serial verb constructions more efficient and convenient.
Conclusion: the present invention both can realize that permanent magnet mechanism places the application on the ac high-voltage drop type sectionalizer out of doors of the inner this structure of main electric conductor (contact tube), had simplified the structure of sectionalizer again.Solve problems such as the anti-electromagnetic interference of outdoor AC high-voltage drop type sectionalizer, condensation, ponding again, improved the reliability of outdoor AC high-voltage drop type sectionalizer safe operation.
Claims (6)
1. a permanent magnet mechanism places the outdoor AC high-voltage drop type sectionalizer of main electric conductor inside, it is characterized in that: this sectionalizer comprises by cross-arm (1), the mounting portion that support plate (2) is formed, by mounting panel (3), the insulated part that high tension electrical porcelain insulator (4) is formed, mainly by upper connecting terminal (5), parallel plate type upper static contact (8), contact tube assembling (10), fixed contact under the parallel plate type (12), the main conductive circuit that lower connecting terminal (15) is formed, by lower moving contact coupled frame (11), dropout plate (13), the automatic dropout part that pivoted arm (14) is formed, by lower supporting frame (24), linked block (16), resetting block (17), interlock support (18), interlock operation panel (26), last moving contact (9), dropout interlock pivoted arm (19), the rectangular cover of interlock (23), overlap the three-phase interlock separating brake tripping mechanism of (25) composition and assemble (10) interior electronic controller (10-3) by contact tube interlock composite insulator (22) and interlock side, control instrument transformer (10-4), charging instrument transformer (10-5), hermetically sealed magnetic screen permanent magnet mechanism (10-6), the automatic brake separating control drive part that frizzen (116) is formed;
Described three-phase interlock separating brake tripping mechanism can carry out manual three-phase interlock separating brake dropout, manual single-phase separating brake dropout and three interlock automatic brake separatings and thread off, and its knot is as follows:
Lower supporting frame (24), linked block (16), resetting block (17), interlock support (18), interlock operation panel (26) constitutes the manual three-phase interlock separating brake dropout part of tripping mechanism, lower supporting frame (24), contact tube assembling (10), annulus hole (117) on the last moving contact (9) constitutes the single-phase manual brake separating dropout part of tripping mechanism, lower supporting frame (24), linked block (16), resetting block (17), interlock support (18), dropout interlock pivoted arm (19), lower moving contact coupled frame (11), dropout plate (13), pivoted arm (14), the rectangular cover of interlock (23), interlock composite insulator (22), interlock side's cover (25) constitutes three interlock automatic brake separating dropout parts of tripping mechanism;
Cross-arm (1) is arranged on the support plate (2), support plate (2) connects the middle part of high tension electrical porcelain insulator (4) by mounting panel (3), fixedly connected with parallel plate type upper static contact (8) with upper connecting terminal (5) in high tension electrical porcelain insulator (4) upper end, fixed contact (12) is fixedlyed connected with interlock support (18) under high tension electrical porcelain insulator (4) lower end and lower connecting terminal (15), the parallel plate type, interlock support (18) is provided with dropout interlock pivoted arm (19) and linked block (16), and dropout interlock pivoted arm (19) is provided with resetting block (17); Linked block (16) is provided with lower supporting frame (24), lower supporting frame (24) links with the lower end hinge of the pivoted arm (14) of the lower end of contact tube assembling (10), the upper end of pivoted arm (14) and lower moving contact coupled frame (11) hinge link, the upper end of contact tube assembling (10) is provided with moving contact (9), and its top is parallel plate type upper static contact (8); Lower moving contact coupled frame (11) below of contact tube assembling (10) is provided with dropout plate (13), and dropout plate (13) is connected with pivoted arm (14) but for the snap close of folding.
2. permanent magnet mechanism according to claim 1 places the outdoor AC high-voltage drop type sectionalizer of main electric conductor inside, it is characterized in that: the upper connecting terminal (5) of the upper end of sectionalizer insulated part and the main conductive circuit of sectionalizer, parallel plate type upper static contact (8), upper reinforcing plate (27), umbrella (28), pulling load support (118) firmly tighten together with bolt and alignment pin.
3. permanent magnet mechanism according to claim 1 places the outdoor AC high-voltage drop type sectionalizer of main electric conductor inside, it is characterized in that: fixed contact (12), lower connecting terminal (15), interlock support (18) firmly tighten together with bolt and alignment pin under the parallel plate type of the lower end of sectionalizer insulated part and the main conductive circuit of sectionalizer, and the carrier assembling that the three-phase interlock separating brake tripping mechanism of sectionalizer is linked together and forms sectionalizer by interlock support (18).
4. permanent magnet mechanism according to claim 1 places the outdoor AC high-voltage drop type sectionalizer of main electric conductor inside, it is characterized in that: described hermetically sealed magnetic screen permanent magnet mechanism (10-6) places sectionalizer main conductive circuit inside, and hermetically sealed magnetic screen permanent magnet mechanism is by clamping cap (101), magnetic screen (102), cover (103), permanent magnet (104), magnetic pole rubber cushion (105), magnetic pole (106), coil assembling (107), moving (108) unshakable in one's determination, yoke (109), positioning sleeve (110), mechanism's seat (111), O-ring seal (112), magnetic boots (113), mechanism's spring (114), lip-type packing (115), frizzen (116) is formed;
Cover (103) is inserted on the cylindrical of permanent magnet (104), the end face suction that magnetic pole rubber cushion (105) is inserted in its large end face on magnetic pole (106) the boss platform and the permanent magnet (104) that is inserted in (103) connects, its outside that contacts with magnetic screen (102), the other end of permanent magnet (104) joins with clamping cap (101), coil assembling (107) inner hole sleeve is contained on magnetic pole (106) the boss platform and coil lead is drawn by clamping cap (101) mesopore, magnetic pole (106) and an end adhesive of moving (108) unshakable in one's determination, the other end of moving (108) unshakable in one's determination connects permanent magnet mechanism frizzen (116), moving (108) outer cover unshakable in one's determination is provided with yoke (109), sheathed mechanism spring (114) between yoke (109) and permanent magnet mechanism frizzen (116), magnetic boots (113) other end is provided with mechanism's seat (111), O-ring seal (112) places mechanism's seat (111) outer face, mechanism's seat (111) is enclosed within permanent magnet mechanism frizzen (116) outside and by lip-type packing (115) sealing, also is provided with positioning sleeve (110) between yoke (109) and mechanism's seat (111).
5. permanent magnet mechanism according to claim 1 places the outdoor AC high-voltage drop type sectionalizer of main electric conductor inside, it is characterized in that: be provided with interlock composite insulator (22) between the adjacent two-phase sectionalizer, the rectangular cover of interlock (23), interlock side's cover (25) use bolted at the two ends of interlock composite insulator (22) respectively, every sectionalizer has two groups of these structures, and wherein one group is equipped with interlock operation panel (26) between the rectangular cover of interlock (23) and interlock composite insulator (22).
6. according to claim 1,2,3,4 or 5 described permanent magnet mechanisms place the outdoor AC high-voltage drop type sectionalizer of main electric conductor inside, it is characterized in that: the carrier assembling of sectionalizer is by the interlock dropout part of sectionalizer, dropout interlock pivoted arm assembling (19), the rectangular cover of interlock (23), interlock composite insulator (22), interlock side's cover (25) links together three phase structures of sectionalizer, the rectangular cover of interlock (23), interlock composite insulator (22), interlock side's cover (25) with bolted together, one end of interlock composite insulator (22) connects the rectangular cover of interlock (23), the other end connects interlock side's cover (25), the rectangular nose end of the rectangular cover of interlock (23) inserts the rectangular boss end that dropout interlock pivoted arm (19) has springing lock pin (21), forms dismountable elasticity locking; The square hole end of interlock side's cover (25) inserts the square shaft end of the dropout interlock pivoted arm (19) of another single-phase sectionalizer that closes on phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310229984.6A CN103280381B (en) | 2013-06-09 | 2013-06-09 | Permanent magnet mechanism is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310229984.6A CN103280381B (en) | 2013-06-09 | 2013-06-09 | Permanent magnet mechanism is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103280381A true CN103280381A (en) | 2013-09-04 |
| CN103280381B CN103280381B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310229984.6A Active CN103280381B (en) | 2013-06-09 | 2013-06-09 | Permanent magnet mechanism is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside |
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| CN (1) | CN103280381B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746355A (en) * | 2014-01-20 | 2014-04-23 | 陈勃闻 | Intelligent sectionalizer |
| CN106786339A (en) * | 2016-11-23 | 2017-05-31 | 沈阳成兴电气有限公司 | Wireless interlocked drop-off sectionalizer |
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| CN1885471A (en) * | 2005-06-24 | 2006-12-27 | 王兴伟 | Drop type sectionalizer with automatically resetable on-post mechanism |
| CN2924778Y (en) * | 2006-04-25 | 2007-07-18 | 张和生 | Outdoor 12KV high-voltage drop-off sectionalizer |
| CN203288548U (en) * | 2013-06-09 | 2013-11-13 | 马玉斌 | Permanent magnetic mechanism outdoor AC high voltage falling type sectionalizer arranged in internal part of main conductor |
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| CN2096814U (en) * | 1991-05-07 | 1992-02-19 | 镇江市电工器材厂 | Fall type subsector |
| CN2177289Y (en) * | 1993-07-31 | 1994-09-14 | 颜景勇 | High voltage fall-down type protective switch |
| CN2226340Y (en) * | 1995-01-25 | 1996-05-01 | 王馗 | Electromagnetic-started type segmenting apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746355A (en) * | 2014-01-20 | 2014-04-23 | 陈勃闻 | Intelligent sectionalizer |
| CN106786339A (en) * | 2016-11-23 | 2017-05-31 | 沈阳成兴电气有限公司 | Wireless interlocked drop-off sectionalizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103280381B (en) | 2015-07-29 |
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