CN103280381B - Permanent magnet mechanism is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside - Google Patents
Permanent magnet mechanism is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside Download PDFInfo
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- CN103280381B CN103280381B CN201310229984.6A CN201310229984A CN103280381B CN 103280381 B CN103280381 B CN 103280381B CN 201310229984 A CN201310229984 A CN 201310229984A CN 103280381 B CN103280381 B CN 103280381B
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Abstract
The present invention relates generally to the outdoor AC high-voltage fall type subsector that a kind of permanent magnet mechanism is placed in main electric conductor inside, and this sectionalizer comprises mounting portion, insulated part, main conductive circuit, the automatic dropout part of composition, tripping mechanism and automatic brake separating and controls drive part; Three serial verb constructions of this sectionalizer of the present invention have employed composite insulator, and its quality is light, therefore the dynamic little realization being convenient to three-phase interlock and auto-reset function of inertia, 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.
Description
Technical field
The present invention relates to a kind of outdoor AC high-voltage fall type subsector, is that a kind of permanent magnet mechanism is placed in the inner outdoor AC high-voltage fall type subsector 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 the protection form that ac high-voltage automatic circuit and ac high-voltage sectionalizer or the ac hv breaker with single shot reclosing function match with ac high-voltage sectionalizer.In China; ac high-voltage sectionalizer is widely used as a kind of 10 kilovolts of novel high voltage power distribution proterctive equipment, in succession some vacuum, FS6, guillotine type, drop type, spring mechanism, electromagnetic mechanism formula, all the coming out one after another of permanent magnet mechanism formula.Wherein: the outdoor AC high-voltage sectionalizer of drop type electromagnetic mechanism three-phase interlock formula and vacuum spring mechanism three-phase coenosarc structural formula outdoor AC high-voltage sectionalizer, because of its have relatively simple without the need to outer power supply source, structure, install, operation and the advantage such as easy to maintenance, and apply more.Also expose in actual motion in the past few years and be such as still weak in condensation, ponding and electromagnetism interference etc.
Utility model patent ZL2005 2,009 1484.1 position-adjustable Split type three-phase interlocked drop-off sectionalizer, its three-phase interlock insulator waters dress by electric porcelain insulator cast iron end cap cement to form, its quality reproduction field is installed inconvenient, and dynamic inertia is little, and the not Enough that automatically resets is reliable.The plug complex structure of three serial verb constructions also handy pin is fixed, and the not only numerous rope of manufacturing process, on electric pole, in-site installation is also pretty troublesome.
The integral installation non-dismountable formula three linkage type drop type that at present You Ao great Li AK company produces in the world paragraphs device (can not automatically reset), and domestic have the automatically reset fall type subsector of patent of invention ZL2005.10046750.3 Zhu Shang mechanism; The fall type subsector that on utility model ZL2005 20091483.7 post, automatic mechanism resets; All there is defect in various degree.
Devise a kind of permanent magnet mechanism of good seal for this reason and be assemblied in main conductive circuit---the outdoor AC high-voltage fall type subsector of contact tube inner structure form, to solve above-mentioned Problems existing, improves the reliability of power supply.
Summary of the invention
Goal of the invention
The invention provides the outdoor AC high-voltage fall type subsector that a kind of permanent magnet mechanism is placed in main electric conductor inside, its object is to solve the problems such as outdoor AC high-voltage fall type subsector electromagnetism interference, condensation, ponding, improve the reliability of outdoor AC high-voltage fall type subsector safe operation.
Technical scheme
A kind of permanent magnet mechanism is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside, it is characterized in that: this sectionalizer comprises by cross-arm, the mounting portion of support plate composition, by mounting panel, the insulated part of high tension electrical porcelain insulator composition, primarily of upper connecting terminal, parallel plate type upper static contact, contact tube assembles, fixed contact under parallel plate type, the main conductive circuit of lower connecting terminal composition, by lower moving contact coupled frame, dropout plate, the automatic dropout part of pivoted arm composition, by lower supporting frame, linked block, resetting block, interlock support, interlock operation panel, upper moving contact, dropout interlock pivoted arm, the rectangular cover of interlock, the three-phase interlock dividing tripping of interlock composite insulator and interlock square set composition, with assembled by contact tube in electronic controller, control instrument transformer, charging instrument transformer, hermetically sealed magnetic screen permanent magnet mechanism, the automatic brake separating of frizzen composition controls drive part,
Described three-phase interlock dividing tripping, can carry out the dropout of manual three-phase interlock separating brake, manual single-phase separating brake is threaded off and three interlock automatic brake separatings are threaded off, its knot is as follows:
Lower supporting frame, linked block, resetting block, interlock support, interlock operation panel form the manual three-phase interlock separating brake dropout part of tripping mechanism, annulus hole in the assembling of lower supporting frame, contact tube, upper moving contact forms the single-phase manual brake separating dropout part of tripping mechanism, 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 square set form three interlock automatic brake separating dropout parts of tripping mechanism;
Cross-arm is arranged on support plate, support plate connects the middle part of high tension electrical porcelain insulator by mounting panel, high tension electrical porcelain insulator upper end is fixedly connected with parallel plate type upper static contact with upper connecting terminal, high tension electrical porcelain insulator lower end is fixedly connected with interlock support with fixed contact under lower connecting terminal, parallel plate type, 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 that lower supporting frame and contact tube assemble links, and upper end and the lower moving contact coupled frame hinge of pivoted arm link, and the upper end of contact tube assembling is provided with moving contact, is parallel plate type upper static contact above it; Be provided with dropout plate below the lower moving contact coupled frame of contact tube assembling, dropout plate and pivoted arm are the snap close of folding to be connected.
Together with 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 bolt and alignment pin secure.
The lower end of sectionalizer insulated part is under the parallel plate type of the main conductive circuit of sectionalizer together with fixed contact, lower connecting terminal, interlock support bolt and alignment pin secure, and the carrier assembling of the composition sectionalizer that the three-phase interlock dividing tripping of sectionalizer linked together by interlock support.
It is inner that described hermetically sealed magnetic screen permanent magnet mechanism is placed in sectionalizer main conductive circuit, 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, dynamic 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, magnetic pole rubber cushion is inserted in its large end face on magnetic pole circular bosses and the end face suction of permanent magnet of being inserted in cover, other end and the magnetic screen of permanent magnet contact outside it and connect with clamping cap, coil assembling inner hole sleeve is contained on magnetic pole circular bosses and coil lead is drawn by clamping cap mesopore, magnetic pole and dynamic one end adhesive unshakable in one's determination, the dynamic other end unshakable in one's determination connects permanent magnet mechanism frizzen, dynamic core profile is arranged 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 is placed in mechanism's seat outer face, mechanism's cover for seat is outside and sealed by lip-type packing at permanent magnet mechanism frizzen, also positioning sleeve is provided with between yoke and mechanism's seat.
Interlock composite insulator is provided with between adjacent two-phase sectionalizer, the rectangular cover of interlock, interlock square set use bolted at the two ends of interlock composite insulator respectively, every platform sectionalizer has two groups of these structures, and wherein one group is equipped with interlock operation panel between the rectangular cover of interlock and interlock composite insulator.
Three of sectionalizer phase structures are linked together by the interlock dropout part of sectionalizer, the assembling of dropout interlock pivoted arm, the rectangular cover of interlock, interlock composite insulator, interlock square set by the carrier assembling of sectionalizer, the rectangular cover of interlock, interlock composite insulator, interlock square set bolted are together, one end of interlock composite insulator connects the rectangular cover of interlock, the other end connects interlock square set, the rectangular nose end of the rectangular cover of interlock inserts dropout interlock pivoted arm with the rectangular boss end of springing lock pin, forms dismountable elastic locking; The square hole end of interlock square set inserts the square shaft end that another closes on the dropout interlock pivoted arm of the single-phase sectionalizer of phase.
Advantage and effect
Advantage of the present invention and beneficial effect as follows:
Three serial verb constructions of the present invention have employed composite insulator, and its quality is light, therefore the dynamic little realization being convenient to three-phase interlock and auto-reset function of inertia, 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;
Present invention employs hermetically sealed magnetic screen permanent magnet mechanism, be made up the interference that effectively can shield low frequency magnetic field of ferromagnetic material;
Simplify the structure of sectionalizer, solve the problems such as outdoor AC high-voltage fall type subsector electromagnetism interference, condensation, ponding, improve the reliability of outdoor AC high-voltage fall type subsector safe operation.
Accompanying drawing explanation
Fig. 1 is sectionalizer front view of the present invention;
Fig. 2 is sectionalizer B direction view;
Fig. 3 is 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 lower fixed contact---parallel-plate contact pressure automatic gain structure chart;
Fig. 7 is dropout interlock pivoted arm assembling enlarged drawing;
embodiment:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is front view of the present invention, and Fig. 2 is the B direction view of Fig. 1, as shown in Figures 1 and 2, the present invention proposes the outdoor AC high-voltage fall type subsector that a kind of permanent magnet mechanism is placed in main electric conductor inside, it is characterized in that: this sectionalizer comprises by cross-arm 1, the mounting portion that support plate 2 forms, by mounting panel 3, the insulated part that high tension electrical porcelain insulator 4 forms, by upper connecting terminal 5, parallel plate type upper static contact 8, contact tube assembling 10, fixed contact 12 under parallel plate type, the main conductive circuit that lower connecting terminal 15 forms, by lower moving contact coupled frame 11, dropout plate 13, the automatic dropout part that pivoted arm 14 forms, by lower supporting frame 24, linked block 16, resetting block 17, interlock support 18, interlock operation panel 26, upper moving contact 9, dropout interlock pivoted arm 19, the rectangular cover 23 of interlock, the three-phase interlock dividing tripping that interlock composite insulator 22 and interlock square set 25 form, and assemble the electronic controller 10-3 in 10 by contact tube, control to use instrument transformer 10-4, instrument transformer 10-5 is used in charging, hermetically sealed magnetic screen permanent magnet mechanism 10-6, the automatic brake separating that frizzen 116 forms controls drive part.
Described three-phase interlock dividing tripping, can carry out the dropout of manual three-phase interlock separating brake, manual single-phase separating brake is threaded off and three interlock automatic brake separatings are threaded off, its knot is as follows:
Lower supporting frame 24, linked block 16, resetting block 17, interlock support 18, interlock operation panel 26 forms the manual three-phase interlock separating brake dropout part of tripping mechanism, lower supporting frame 24, contact tube assembling 10, annulus hole 117 on upper moving contact 9 forms 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 square set 25 forms three interlock automatic brake separating dropout parts of tripping mechanism.
Cross-arm 1 is arranged on support plate 2, support plate 2 connects the middle part of high tension electrical porcelain insulator 4 by mounting panel 3, high tension electrical porcelain insulator 4 upper end is fixedly connected with parallel plate type upper static contact 8 with upper connecting terminal 5, high tension electrical porcelain insulator 4 lower end is fixedly connected with interlock support 18 with fixed contact 12 under lower connecting terminal 15, 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 the lower end hinge that lower supporting frame 24 and contact tube assemble the pivoted arm 14 of the lower end of 10 links, and upper end and lower moving contact coupled frame 11 hinge of pivoted arm 14 link; The upper end of contact tube assembling 10 is provided with moving contact 9, is parallel plate type upper static contact 8 above it; 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 under parallel plate type 12 and keeps certain contact pressure, be provided with dropout plate 13 below lower moving contact coupled frame, dropout plate 13 and pivoted arm 14 are the snap close of folding to be connected; Contact tube assembling bottom is also 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 are with together with bolt and alignment pin secure.
The lower end of sectionalizer insulated part fixed contact 12, lower connecting terminal 15, interlock support 18 under the parallel plate type of the main conductive circuit of sectionalizer are used together with bolt and alignment pin secure, and the carrier assembling of the composition sectionalizer that the three-phase interlock dividing tripping of sectionalizer linked together by interlock support 18.
As shown in Figure 3 and Figure 4, it is inner that described hermetically sealed magnetic screen permanent magnet mechanism 10-6 is placed in sectionalizer main conductive circuit, 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, dynamic 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.
Cover 103 is inserted on the cylindrical of permanent magnet 104, magnetic pole rubber cushion 105 is inserted in its large end face on magnetic pole 106 circular bosses and the end face suction of permanent magnet 104 of being inserted in cover 103, other end and the magnetic screen 102 of permanent magnet 104 contact outside it and connect with clamping cap 101, coil assembles 107 inner hole sleeves and to be contained on magnetic pole 106 circular bosses and coil lead is drawn by clamping cap 101 mesopore, above-mentioned parts are all placed in clamping cap 101 in magnetic boots 113 and are screwed into, magnetic pole 106 and dynamic one end adhesive of unshakable in one's determination 108, the dynamic other end of unshakable in one's determination 108 connects permanent magnet mechanism frizzen 116, dynamic 108 outer cover unshakable in one's determination are 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 is placed in mechanism's seat 111 outer face, mechanism's seat 111 is enclosed within permanent magnet mechanism frizzen 116 outside and is sealed by lip-type packing 115, positioning sleeve 110 is also provided with between yoke 109 and mechanism's seat 111.
The yoke 109 of magnetic boots 113 other end, mechanism's spring 114, permanent magnet mechanism frizzen 116, positioning sleeve 110, lip-type packing 115, mechanism's seat 111 are sequentially inserted in magnetic boots 113 and are screwed by mechanism's seat 111 and magnetic boots 113 screw thread, and O-ring seal 112 is placed in mechanism's seat 111 outer face; Magnetic boots 113 two ends and clamping cap 101 hole silica gel sealing.
Interlock composite insulator 22 is provided with between adjacent two-phase sectionalizer, the rectangular cover 23 of interlock, interlock square set 25 use bolted at the two ends of interlock composite insulator 22 respectively, every platform sectionalizer has two groups of these structures, and wherein one group is equipped with interlock operation panel 26 between the rectangular cover 23 of interlock and interlock composite insulator 22.
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 lower supporting frame 24, formed and rotate dynamic 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 under parallel plate type 12 and keeps certain contact pressure.The recessed round place of the parallel plate type upper static contact 8 of the main conductive circuit that the upper moving contact 9 on contact tube assembling top and the carrier of sectionalizer assemble combines by the pressure initiation of touch spring 6 is dynamic; Put the phase structure that this forms sectionalizer.
The carrier of sectionalizer assembles the interlock dropout part by sectionalizer, dropout interlock pivoted arm assembling 19, the rectangular cover 23 of interlock, interlock composite insulator 22, three of sectionalizer phase structures link together by interlock square set 25, the rectangular cover 23 of interlock, interlock composite insulator 22, interlock square set 25 with bolted together, one end of interlock composite insulator 22 connects the rectangular cover 23 of interlock, the other end connects interlock square set 25, the rectangular nose end of the rectangular cover of interlock 23 inserts the rectangular boss end of dropout interlock pivoted arm 19 with springing lock pin 21, the rectangular cover 23 of springing lock pin 21 automatic locking interlock makes it not deviate from, form dismountable elastic locking, the square hole end of interlock square set 25 inserts the square shaft end that another closes on the dropout interlock pivoted arm 19 of the single-phase sectionalizer of phase, the rotational synchronization completing adjacent two-phase like this connects, in like manner another adjacent phase connects too, constitute three linkage type fall type subsectors.45° angle can be rotated by synchronous reversible, three-phase synchronous manual brake separating and the automatic brake separating of sectionalizer can be realized.
The automatic brake separating of sectionalizer: see Fig. 1 and Fig. 3, user on-the-spot can adjust toggle switch position on the electronic controller 10-3 of sectionalizer as required to adjust starting current and the counts of sectionalizer, when there is short trouble in circuit, and when reaching presetting starting current and counts, and at higher level's switch separating brake, line current falls in less than 300 milliamperes time, the controllable silicon of the electronic controller 10-3 of sectionalizer is discharged by the solenoid of the couple capacitors permanent magnet mechanism 10-6 of electronic controller 10-3, the dynamic iron core of permanent magnet mechanism 10-6 overcomes the magnetic force of the permanent magnet of permanent magnet mechanism 10-6 under the force action of electromagnetic force and permanent magnet mechanism tripping spring power, drive frizzen 116 and eject 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, rotating to outer lower side under the pressure of gravity and touch spring 6 of conducting rod assembling 10, moving contact 9 is deviate from by the round recess of parallel plate type upper static contact 8, conducting rod assembling 10 is fallen to outer lower side, simultaneously because the penetration force of conducting rod assembling 10 makes dropout plate 13 and pivoted arm 14 hinge that closes a floodgate hook together reset, and clash into dropout interlock pivoted arm 19 and make it rotate 45° angle, interlock dropout partial action due to sectionalizer realizes the three-phase interlock automatic brake separating of sectionalizer.
The combined floodgate of sectionalizer: after sectionalizer automatic brake separating, first hook interlock operation panel 26 hole with insulated operating rod hook to pull down and make dropout interlock pivoted arm long handle perpendicular to ground, then hooking upper moving contact 9 circular hole oblique upper with insulated operating rod hook pushes in the round recess of parallel plate type upper static contact 8, other two-phase sectionalizer is incorporated in the round recess of parallel plate type upper static contact 8 respectively again, the combined floodgate of sectionalizer closes a floodgate complete in accordance with the law.
Operation principle of the present invention is as follows:
1. operating principle: "on" position, permanent magnet 104, magnetic pole 106, dynamic 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 contrary with permanent magnet 104 direction and mechanism's spring 114 all acts on dynamic unshakable in one's determination 108 with joint efforts, this is greater than the attraction of permanent magnet 104 with joint efforts, adhesive static balancing is destroyed, thus dynamic unshakable in one's determination 108 can 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 effectively can shield low frequency magnetic field is made up in hermetically sealed magnetic screen of ferromagnetic material.It forms monostable magnetic force systems by permanent magnet and magnetic pole, by solenoid, dynamic unshakable in one's determination, spring forms the power-driven system of permanent magnet mechanism, when line failure, the electronic controller of sectionalizer automatically can pre-set in advance according to user and differentiate, reach preset value then can trigger controllable silicon and open capacitor and electromagnetic coil circuit, produce an electromagnetism magnetic field contrary with permanent magnet intrinsic magnetic field direction, the Magnetic driving power that such electromagnetic field produces adds that the dynamic iron core of driving of making a concerted effort of spring force is rapidly to the outer direction of permanent magnet mechanism and ejects and drive drive rod hit out point flashboard and then open the combined floodgate hinge divided between flashboard and pivoted arm, pivoted arm is in lower fixed contact pushing force, contact tube assembling rotates to outer lower side under the acting in conjunction of gravity and upper static contact spring pressure, the assembling of band moving conductive rod is fallen, the main conductive circuit of sectionalizer is disconnected and forms obvious fracture, sectionalizer realizes separating brake.
3. hermetically sealed magnetic screen permanent magnet mechanism (hereinafter referred to as permanent magnet mechanism) is arranged on main conductive circuit---in contact tube, equipotential principle is utilized namely cleverly high voltage and voltage devices to be combined in identical carrier, namely main conductive circuit is utilized---contact tube (copper pipe), to the shielding action of high frequency magnetic field, can realize again the electric action under high voltage.This volume not only reducing sectionalizer still solves a difficult problem for the rainproof condensation of mechanism.More solve and prevent electromagnetic interference problem.
Because permanent magnet mechanism ectosome makes with ferromagnetic material, ferromagnetic material is the exhausted Cui material of shielding low frequency magnetic field, so all magnetic parts put within it all can from its evil.
Applying equipotential principle is cleverly placed in main electric conductor (contact tube) by permanent magnet mechanism; this becomes possibility under not only making light current device be placed on high voltage, heavy current; and utilize main electric conductor (contact tube) to be make with copper material; to conduct electricity while task under high voltage completing, also complete the anti-interference protection to its internal 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 made up of such as lower component: umbrella 28, parallel plate type upper static contact 8, upper static contact spring 6, spring retainer follow closely 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 tear curved 180 ° and on its lower parallel-plate, be provided with circle recessed segment-shaped circle recessed open by one piece of copper coin, have a small sircle hole in circle recessed top, shape is shown in 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, following closely 8-4 by spring retainer is fixed between parallel plate type upper static contact 8 parallel-plate by upper static contact spring 6, riveting jail, spring retainer nail 8-4 lower end in the circular hole of parallel plate type upper static contact 8 circle recessed top, and ensures that the lower flat board of parallel plate type upper static contact 8 can be gone up pressure and rebound.
As shown in Figure 6, lower fixed contact---parallel plate type contact pressure automatic gain structure chart, this structure is made up of such as lower component: lower reinforcing plate 12-1, lower conducting plate 12-2, snap rivet 12-3, a lower shell fragment 12-4 and 4 lower fixed contact 12-5 are integrated.
Structural relation: lower shell fragment 12-4,4 parallel and equidistant folded hold fixed contact 12-5, lower conducting plate 12-2, lower reinforcing plate 12-1 uses snap rivet 12-3 riveting jail from top to bottom, wherein 4 lower fixed contacts have again with existing excellent conductive performance to make compared with the material of strong elasticity.
Upper static contact and lower fixed contact are shown in Fig. 1 by bolted at the upper/lower terminal of the insulated part of sectionalizer respectively, circular shaft on the pivoted arm 14 of contact tube assembling is contained in the circular recess on lower supporting frame 24, formed and rotate dynamic 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 under parallel plate type 12 and keeps certain contact.The recessed round place of the parallel plate type upper static contact 8 of the main conductive circuit that the upper moving contact 1 on contact tube assembling top and the carrier of sectionalizer assemble combines by touch spring pressure initiation is dynamic.
Illustrate: although be not generally the load current that the sectionalizer of parallel plate structure also can carry below sectionalizer rated current, but when there being larger short circuit current (more than 16 kilo-amperes) to pass through, under powerful electrodynamic action, can produce between dynamic and static contact electric arc occur scaling loss in various degree even scorification cause switch to refuse point together, occurrence of large-area power outage.
Adopt parallel plate type contact pressure automatic gain structure, when there being larger short circuit current (more than 16 kilo-amperes) to pass through, under powerful electrodynamic effect, automatically increase according to left hand rule parallel plate type contact pressure, short circuit current big contact pressure is large, short circuit current small contact pressure is little, when do not have short circuit current by time, sectionalizer will recover the normal contact pressure under touch spring pressure automatically, be conducive to so artificial splitting or integrating lock operation make dependent manual operation become lighter.This structure easily can reach the superelevation value of dynamic current 25 kilo-ampere 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 interlock device
As Fig. 1 sectionalizer front view, Fig. 2 sectionalizer B direction view; This three linkages are made up of such as lower component: the assembling of lower supporting frame 24, linked block 16, resetting block 17, interlock support 18, dropout interlock pivoted arm, the rectangular cover 23 of interlock, interlock composite insulator 22, interlock square set 25, interlock operation panel 26 form.Wherein, see Fig. 7 thread off interlock pivoted arm assembling enlarged drawing.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 upper tumbler spring 20 under be contained in the circular hole of rectangular boss end of dropout interlock pivoted arm 19, with holding screw, its lower end, hole screw is blocked; Springing lock pin 21 can upper and lower springing in the circular hole of the rectangular boss end of dropout interlock pivoted arm.
Interlock support 18 is placed in the insulated part bottom bolted of sectionalizer together, as the supporting body of three serial verb constructions, the square shaft end of dropout interlock pivoted arm assembling inserts in the circular hole below interlock support 18, resetting block 17 is inserted in square shaft and is placed in interlock support 18, lower supporting frame 24, linked block 16 round pin is placed in another circular hole below interlock support 18, and ensure to stir the thread off long handle of interlock pivoted arm 19 of linked block 16 and rotate 45 °, resetting block 17 drives linked block 16 and lower supporting frame 24 to rotate up and down.
The rectangular cover 23 of interlock, interlock square set 25 use bolted at the two ends of interlock composite insulator 22 respectively, every platform sectionalizer has two groups of these structures, and wherein one group is equipped with interlock operation panel 26 and is used for manual brake separating and operates and combined floodgate reset operation between the rectangular cover 23 of interlock and interlock composite insulator 22.
The square shaft end that the square hole of the interlock square set 25 of this three serial verb construction assembles with the dropout interlock pivoted arm of single-phase sectionalizer is connected, the rectangular nose end of the rectangular cover of interlock 23 of three serial verb constructions inserts the rectangular boss end of the dropout interlock pivoted arm assembling of the single-phase sectionalizer of another and makes springing lock pin 21 spring into the rectangular cover 23 of interlock to squeeze in the circular hole of end face, make another organize three serial verb constructions to be equally connected with the 3rd single-phase sectionalizer, constitute three-phase interlock sectionalizer.
Owing to have employed composite insulator, its quality is light, therefore the dynamic little realization being convenient to three-phase interlock and auto-reset function of inertia, 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.
Conclusion: the present invention both can realize permanent magnet mechanism and be placed in the application of the inner this structure of main electric conductor (contact tube) out of doors on ac high-voltage fall type subsector, in turn simplify the structure of sectionalizer.Solve again the problems such as outdoor AC high-voltage fall type subsector electromagnetism interference, condensation, ponding, improve the reliability of outdoor AC high-voltage fall type subsector safe operation.
Claims (6)
1. permanent magnet mechanism is placed in an outdoor AC high-voltage fall type subsector for main electric conductor inside, it is characterized in that: this sectionalizer comprises by cross-arm (1), the mounting portion that support plate (2) forms, by mounting panel (3), the insulated part that high tension electrical porcelain insulator (4) forms, primarily of upper connecting terminal (5), parallel plate type upper static contact (8), contact tube assembling (10), fixed contact (12) under parallel plate type, the main conductive circuit that lower connecting terminal (15) forms, by lower moving contact coupled frame (11), dropout plate (13), the automatic dropout part that pivoted arm (14) forms, by lower supporting frame (24), linked block (16), resetting block (17), interlock support (18), interlock operation panel (26), upper moving contact (9), dropout interlock pivoted arm (19), the rectangular cover of interlock (23), the three-phase interlock dividing tripping that interlock composite insulator (22) and interlock square set (25) form, and assemble the electronic controller (10-3) in (10) by contact tube, control with instrument transformer (10-4), charging instrument transformer (10-5), hermetically sealed magnetic screen permanent magnet mechanism (10-6), the automatic brake separating that frizzen (116) forms controls drive part,
Described three-phase interlock dividing tripping, can carry out the dropout of manual three-phase interlock separating brake, manual single-phase separating brake is threaded off and three interlock automatic brake separatings are threaded off, its structure is as follows:
Lower supporting frame (24), linked block (16), resetting block (17), interlock support (18), interlock operation panel (26) forms the manual three-phase interlock separating brake dropout part of tripping mechanism, lower supporting frame (24), contact tube assembling (10), annulus hole (117) on upper moving contact (9) forms 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 square set (25) forms three interlock automatic brake separating dropout parts of tripping mechanism,
Cross-arm (1) is arranged on support plate (2), support plate (2) connects the middle part of high tension electrical porcelain insulator (4) by mounting panel (3), high tension electrical porcelain insulator (4) upper end is all fixedly connected with parallel plate type upper static contact (8) with upper connecting terminal (5), high tension electrical porcelain insulator (4) lower end is fixedly connected with interlock support (18) with fixed contact under parallel plate type (12) respectively, lower connecting terminal (15) is fixedly connected with fixed contact under parallel plate type (12), interlock support (18) is provided with dropout interlock pivoted arm (19) and linked block (16), 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) be positioned at the lower end hinge that contact tube assembles the pivoted arm (14) of (10) lower end and link, upper end and lower moving contact coupled frame (11) hinge of pivoted arm (14) link, the upper end of contact tube assembling (10) is provided with moving contact (9), is parallel plate type upper static contact (8) above it, lower moving contact coupled frame (11) below of contact tube assembling (10) is provided with dropout plate (13), and dropout plate (13) and pivoted arm (14) are the snap close of folding to be connected.
2. permanent magnet mechanism according to claim 1 is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside, it is characterized in that: upper connecting terminal (5) is together with parallel plate type upper static contact (8) bolted, and parallel plate type upper static contact (8), upper reinforcing plate (27), umbrella (28), pulling load support (118) all use bolt and alignment pin secure in the upper end of sectionalizer insulated part.
3. permanent magnet mechanism according to claim 1 is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside, it is characterized in that: under parallel plate type, fixed contact (12), lower connecting terminal (15), interlock support (18) all use bolt and alignment pin secure in the lower end of sectionalizer insulated part, and the carrier assembling of the composition sectionalizer that the three-phase interlock dividing tripping of sectionalizer linked together by interlock support (18).
4. permanent magnet mechanism according to claim 1 is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside, it is characterized in that: it is inner that described hermetically sealed magnetic screen permanent magnet mechanism (10-6) is placed in sectionalizer main conductive circuit, 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), dynamic (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) forms,
Cover (103) is inserted on the cylindrical of permanent magnet (104), magnetic pole rubber cushion (105) is inserted on magnetic pole (106) circular bosses, magnetic pole (106) circular bosses large end face and the end face suction of permanent magnet (104) of being inserted in (103), the other end of permanent magnet (104) contacts with magnetic screen (102), magnetic screen (102) outside connects with clamping cap (101), coil assembling (107) inner hole sleeve is contained on magnetic pole (106) circular bosses and coil lead is drawn by clamping cap (101) mesopore, magnetic pole (106) and one end adhesive moving (108) unshakable in one's determination, the other end of dynamic (108) unshakable in one's determination connects permanent magnet mechanism frizzen (116), dynamic (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) is placed in mechanism's seat (111) outer face, mechanism's seat (111) is enclosed within permanent magnet mechanism frizzen (116) outside and is sealed by lip-type packing (115), positioning sleeve (110) is also provided with between yoke (109) and mechanism's seat (111).
5. permanent magnet mechanism according to claim 1 is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside, it is characterized in that: between adjacent two-phase sectionalizer, be provided with interlock composite insulator (22), the rectangular cover of interlock (23), interlock square set (25) use bolted at the two ends of interlock composite insulator (22) respectively, every platform 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, permanent magnet mechanism described in 4 or 5 is placed in the outdoor AC high-voltage fall type subsector of main electric conductor inside, it is characterized in that: the carrier of sectionalizer assembles the interlock dropout part by sectionalizer, dropout interlock pivoted arm (19), the rectangular cover of interlock (23), interlock composite insulator (22), three of sectionalizer phase structures link together by interlock square set (25), the rectangular cover of interlock (23), interlock composite insulator (22), interlock square set (25) with bolted together, one end of interlock composite insulator (22) connects the rectangular cover of interlock (23), the other end connects interlock square set (25), the rectangular nose end of the rectangular cover of interlock (23) inserts the rectangular boss end of dropout interlock pivoted arm (19) with springing lock pin (21), form dismountable elastic locking, the square hole end of interlock square set (25) inserts the square shaft end that another closes on the dropout interlock pivoted arm (19) of the single-phase sectionalizer of 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| CN103280381A CN103280381A (en) | 2013-09-04 |
| CN103280381B true CN103280381B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310229984.6A Expired - Fee Related 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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Families Citing this family (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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2409697Y (en) * | 2000-02-16 | 2000-12-06 | 王兴伟 | Drop-off permanent magnet sectionalizing device |
| CN2812276Y (en) * | 2005-06-24 | 2006-08-30 | 王兴伟 | position-adjustable split three-phase linkage drop-out sectionalizer |
| CN1885471A (en) * | 2005-06-24 | 2006-12-27 | 王兴伟 | Drop-out sectionalizer with automatic reset on-column mechanism |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2096814U (en) * | 1991-05-07 | 1992-02-19 | 镇江市电工器材厂 | Fall type subsector |
| CN2812275Y (en) * | 2005-06-24 | 2006-08-30 | 王兴伟 | Drop-out sectionalizer with automatic reset on-column mechanism |
| CN2924778Y (en) * | 2006-04-25 | 2007-07-18 | 张和生 | Outdoor 12KV high-voltage drop-off sectionalizer |
-
2013
- 2013-06-09 CN CN201310229984.6A patent/CN103280381B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2409697Y (en) * | 2000-02-16 | 2000-12-06 | 王兴伟 | Drop-off permanent magnet sectionalizing device |
| CN2812276Y (en) * | 2005-06-24 | 2006-08-30 | 王兴伟 | position-adjustable split three-phase linkage drop-out sectionalizer |
| CN1885471A (en) * | 2005-06-24 | 2006-12-27 | 王兴伟 | Drop-out sectionalizer with automatic reset on-column mechanism |
| 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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| CN103280381A (en) | 2013-09-04 |
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