CN202948892U - Electronic-electromagnetic type intelligent switch used for high-voltage electric power system - Google Patents

Abstract

The utility model provides an electronic-electromagnetic type intelligent switch used for a high-voltage electric power system. The electronic-electromagnetic type intelligent switch comprises an insulated arc-resisting grid sheet assembly and an arc-extinguishing device composed of coils. The lower part of the electronic-electromagnetic type intelligent switch is provided with a fault current trip-out assembly having contacts and a matched operation mechanism. In the case of faults, fault current is utilized to push a movable conductive rod and to guide an electric arc into an arc-extinguishing chamber for extinguishing; and simultaneously, energy of the fault current is utilized to directly trip out the switch according to the characteristics of the faults. With the matched operation mechanism, the reliability is very high, the arc extinguishing speed is very fast, the intelligentization of operations of the switch is realized, and the safe and stable operation level of the electric power system is increased.

Description

A kind of electronic electromagnetic intelligent switch for high-voltage electric power system

Technical field

The utility model relates to a kind of power switch, especially relates to a kind of electronic electromagnetic intelligent switch for high-voltage electric power system.

Background technology

The applicant discloses a kind of electronic electromagnetic intelligent switch in application number is 201120435098.5 utility model application, comprising a kind of electronic electromagnetic intelligent unit switch, although this switch can reach certain Based Intelligent Control effect, but perfect not enough, there are the following problems: the one, and the move distance of parallel conductive electric pole is nearer, thereby to more the high-voltage discharge distance is shorter, thereby make electric arc zero passage less stable therebetween; The 2nd, the striking contact assembly can not use as independent switch, and the 3rd, do not relate to the matching problem of the operating mechanism that adapts etc.

The utility model content

In order to overcome the deficiency that exists in above-mentioned technology, the utility model provide a kind of structure more optimize, rationally, the reliability better high-pressure electronic electromagnetic intelligent switch of high-performance more.

the purpose of this utility model realizes by following proposal: a kind of electronic electromagnetic intelligent switch for high-voltage electric power system, comprise striking contact assembly 17 and the are-tight grid chip module 64 of insulation, the top of striking contact assembly 17 is provided with the are-tight screen 67 of insulation, the outside that is through the iron core 46 of coil one 44 inside extends the are-tight grid chip module of insulation 64 both sides that are comprised of the are-tight screen 68 of insulation, are-tight grid chip module 64 upper outside that insulate have Ions Absorption grid sheet 69 and electric arc zero gate chip module 28, several Ions Absorption grid sheets 69 are connected with the zero gate chip module and are respectively connected a prescription between several grid sheets to opposite high voltage rectifier 14, said apparatus forms arc control device I, described arc control device I is arranged on the upper ledge of the Insulating frame 91 that is installed on supporting insulator 116, iron plate 81 1 sides that the bottom arranges the fault current tripping operation assembly II of power line 5 connections connect insulation motion bars 85, and be through in the guide cylinder 84 that is fixed on framework 91 frames, the rear end of described guide cylinder 84 arranges permanent magnet 54, movable conducting rod 73 bottoms arrange roller 124, end connects flexible cord 120, motion bar 85 is connected with the action bars 135 of operating mechanism.

Coil 2 77 and shunt line or thermistor line 23 that described fault current tripping operation assembly II connects and connects, its other end connects fixed contact 2, fixed contact 2 connects arc ignition bar 19 and is connected with the top of coil 1, the inside of coil 2 77 is provided with square shape iron core 82 jaggy, and the both sides of iron core 82 extend the spring tension maximum point both sides of movable conducting rod 73 scopes of activities; Movable conducting rod 73 is contained in the middle of the iron core breach of iron core 82, and iron plate 81 is equipped with in movable conducting rod 73 front and back, and movable conducting rod 73 tops are provided with moving contact 4, and moving contact 4 tops connect leads arc bar 31, and above element forms fault current tripping operation group II.

In such scheme, the trapezoidal portions both sides of the arc extinguishing grid pieces 18 of described coil one 44 belows are provided with the skewed slot 48 that tilts to both sides from the centre, and the bottom, both sides is that rectangle is provided with hole 47.

In such scheme, thick middle both sides book is moved towards in being shaped as along electric arc of described insulation is are-tight screen 67, circle or polygon are set on plate protrude bar 65, bar is protruded in the centre of another row protrusion in delegation, dislocation is arranged mutually, the front portion of protruding bar is longer than the length at rear portion, next-door neighbour's Ions Absorption grid sheet 69 and 3 contact resistances 20 of last striking contact.

In such scheme, the surface of described insulation is are-tight screen 68 arranges bar shaped and protrudes bar 63,66, delegation has breach in the middle of protruding bar 63, another row protrudes bar 66 both sides and has breach, mutually alternately, the protrusion bar 63 at the are-tight grid sheet of described insulation 68 back sides, 66 and the protrusion bar of its front layout that misplaces mutually; Some insulation are are-tight, and grid sheet 68 is contained in the centre of a pair of iron core arc resistance insulation cover 26, the wall that top and upper airway protrude, and bottom and lower airway protrusion wall are bonding and form the are-tight grid chip module 64 of insulation, and form top airway 39 and lower airway 38; The outer core insulation 35 that arranges of iron core 46; Be provided with the are-tight wall 71 of insulation of the approximate trapezoid of protrusion on iron core arc resistance insulation cover 26 in the middle of the adjacent two are-tight grid sheets 68 of insulation, being shaped as in the bottom of the are-tight cover 26 of core insulation of described insulation is are-tight wall 71 is high, top is low, jointly forms insulated gate chip module 64.

in such scheme, described operating mechanism is on insulation motion bar 85, the hole to be set, be fixedly connected with insulating bar 135 on axle 139, be provided with combined floodgate bar 137 and the trip(ping) bar 136 of sliding eye 138 on it, the ironware 88 that motion bar 85 tops settings and permanent magnet 54 are used in conjunction with, action bars 135 prothecas have the interior action bars 134 of sliding eye 138 to be through on axle 139, axle 139 is through in the hole of support 140, wearing pin 130 in the hole of motion bar 85 and the sliding eye 138 of being connected on action bars 134 connects, the top connecting lever linking springs 141 of interior action bars 134, the spring bottom is connected to support 140 bottoms of axle 139 with screw 142, the starting point of interior action bars 134 and terminal point are all in the outside of spring tension maximum point, be in point of safes, combined floodgate iron core 148 push rods, hole and the combined floodgate bar 137 of tripping operation iron core 146 push rods, the sliding eye of trip(ping) bar 136 connects with pin, the sliding eye camber, combined floodgate iron core outer setting coil 147, tripping operation iron core outer setting coil 145, the combined floodgate mandrel lower arranges pit, its correspondence position arranges spring 131, combined floodgate bar 137 is with handle.

In such scheme, the another kind of version of described operating mechanism is: at coil 160, shell 161 is set, it is up-small and down-big flat cone-type spiral iron core 162 that inside arranges diameter, narrow slit 163 is arranged between spiral, and with the diamagnetic material welding, mandrel lower has diamagnetic support 164 mutually, inside has with the moving iron core 166 of the truncated cone of diamagnetic material push rod 169, iron core middle part is thin, and upper and lower have an air flue 167, and pit 168 is arranged at the bottom.

in such scheme, for arc control device I and fault current tripping operation livelock button assembly II are used for the double-fracture switch, in described arc control device I bottom, fixed contact 2 is housed, fault current tripping operation assembly II is equipped with in the fixed contact bottom, below all be contained on supporting insulator 116, moving contact 4 is equipped with on movable conducting rod 73 both sides, iron plate 81 is equipped with in moving contact 4 lower guide electric pole both sides, movable conducting rod 73 middle parts connect insulating driving rod 150, insulating driving rod 150 is contained in fixed insulation 117, fixed insulation 117 is contained on framework 90, insulating driving rod bottom one side connects combined floodgate bar 137, the combined floodgate bar connects making electromagnet 148 and tripping operation spring 141, the electromagnet rear portion connects resetting spring 151, opposite side connects tripping operation livelock button assembly III, the permanent magnet 54 that is connected on trip(ping) bar 136 is wherein arranged, permanent magnet 54 is outside equipped with fairlead 155, the opposite is fixed with iron core 157, its outer setting coil 156, the coil outer cover has iron-clad 158.

Compared with prior art, the utility model has following beneficial effect for the electronic electromagnetic intelligent switch of high-voltage electric power system:

1, in scheme, insulate are-tight grid chip module 64, fixedly add cored 82 and extend near the scope both sides that movable conducting rod arrives the spring tension maximum point in the coil 77 of conducting rod 72, the conducting rod operating current can be less like this, actuating length is far away, more high voltage air insulation distance can be satisfied, independently switch can be made separately like this;

2, install the operating mechanism that adapts with this switch additional, realized the intellectuality of switch;

3, operating mechanism also can be used for other switches responsiveness is accelerated.

Description of drawings

Fig. 1 is high-pressure electronic electromagnetic intelligent switch cross-sectional view,

Fig. 2 is that the arc control device of Fig. 1 remove to cover vertical view,

Fig. 3 is the A-A schematic diagram of Fig. 1,

Fig. 4 is the B-B schematic diagram of Fig. 1,

Fig. 5 is the structural representation of arc extinguishing grid pieces 18 in Fig. 1,

Fig. 6 is the end view of Fig. 5,

Fig. 7 is the structural representation of the are-tight grid sheet 68 of insulation in Fig. 3,

Fig. 8 is the end view of Fig. 7,

Fig. 9 is C-C schematic diagram in Fig. 1,

Figure 10 be the A of operating mechanism in Fig. 1 to view,

Figure 11 is the vertical view of Figure 10,

Figure 12 is the another kind of structural representation of coil and iron core,

Figure 13 is the electronic electromagnetic intelligent switch structural representation of double-fracture,

Figure 14 is the vertical view of Figure 13,

Figure 15 is the D-D schematic diagram of Figure 13.

in figure: I is arc control device, II is fault current tripping operation assembly, III is tripping operation livelock button assembly, 2 is fixed contact, 3 are the striking contact, 4 is moving contact, 5 is power line, 14 diodes, 17 are the striking contact assembly, 18 is arc extinguishing grid pieces, 19 is arc ignition bar, 20, 21, be resistance, 23 is shunt line, thermistor line or thermistor, 26 is insulating case, 28 is the zero gate chip module, 30 is arc ignition bar, 31 for leading the arc bar, 35 is external insulation, 38 is lower airway, 39 is upper airway, 44 is coil one, 46 is iron core, 47 is the hole, 48 is skewed slot, 54 is permanent magnet, 63 is middle protrusion bar jaggy, 64 is the insulated gate chip module, 66 is both sides protrusion bars jaggy, 67 are the are-tight screen of insulation, 68 are the are-tight grid sheet of insulation, 69 is Ions Absorption grid sheets, 70 is protective tube, 71 are the are-tight wall of insulation, 73 is movable conducting rod, 77 is coil two, 81 is iron plate, 82 is iron core, 84 is guide cylinder, 85 is motion bar, 86 is ironware, 88 are hook, 90, 91 is framework, 116 is supporting insulator, 120 is flexible cord, 124 is roller, 130 is axle, 131 is spring, 134 for being interior action bars, 117 is fixed insulation, 135 is action bars, 136 is trip(ping) bar, 137 is the combined floodgate bar, 138 is sliding tray, 139 is axle, 140 for supporting, 141 is spring, 142 is set screw, 145 for being coil three, 146 are the tripping operation iron core, 147 is coil four, 148 is the combined floodgate iron core, 150 is insulating driving rod, 151 is resetting spring, 155 is shell, 156 is coil five, 157 is secured core, 158 is shell, 160 is coil six, 161 is shell, 162 is the spiral iron core, 163 is narrow slit, 164 for supporting, 166 is movable core, 167 is air flue, 168 is pit, 169 is push rod.

Embodiment

Be described in detail below in conjunction with the electronic electromagnetic intelligent switch of drawings and Examples to the utility model high-voltage electric power system:

at Fig. 1, Fig. 2, Fig. 3, in Fig. 4, the purpose of this utility model realizes by following proposal: a kind of electronic electromagnetic intelligent switch for high-voltage electric power system, comprise striking contact assembly 17 and the are-tight grid chip module 64 of insulation, the top of striking contact assembly 17 is provided with the are-tight screen 67 of insulation, the Ions Absorption grid sheet of screen front portion and last striking contact 3 contact resistance 20, the striking contact assembly 17 that coil 44 arranged outside are comprised of striking contact 3 and arc extinguishing grid pieces 18, be arranged on coil, lower and anterior, the outside that is through the iron core 46 of coil one 44 inside extends the are-tight grid chip module of insulation 64 both sides, there are Ions Absorption grid sheet 69 and electric arc zero gate chip module 28 in insulate are-tight grid chip module 64 tops and the upper outside, top Ions Absorption grid sheet 69 contact resistances 21, several Ions Absorption grid sheets 69 of upper outside are connected with the zero gate chip module and are respectively connected a prescription between several grid sheets to opposite high voltage rectifier 14, said apparatus forms arc control device I, described arc control device I is arranged on the upper ledge of Insulating frame 91, the bottom arranges the fault current tripping operation assembly II that power line 5 connects, iron plate 81 1 sides connect insulation motion bar 85, and be through in the guide cylinder 84 that is fixed on framework 91 frames, the rear end of described guide cylinder 84 arranges permanent magnet 54, permanent magnet 54 is equipped with at the guide cylinder rear portion, moving in order to strengthen, pressure between fixed contact, also permanent magnet can be retrofitted in combined floodgate bar 137 tops or trip(ping) bar 136 following, , movable conducting rod 73 bottoms arrange roller 124, end connects flexible cord 120, motion bar 85 is connected with the action bars 135 of operating mechanism.Above equipment all is contained in the lower floor of framework 91, and framework supports with supporting insulator 116.

In Fig. 1, Fig. 5 and Fig. 6, the trapezoidal portions both sides of the arc extinguishing grid pieces 18 of described coil one 44 belows are provided with the skewed slot 48 that tilts to both sides from the centre, also can be arranged to circle or other shapes and protrude bar, with the effect that increases the electric arc collision, elongates, pushes, the bottom, both sides is that rectangle is provided with hole 47, in order to connect.

in Fig. 1 and Fig. 9, coil 2 77 and shunt line or thermistor line 23 that described fault current tripping operation assembly II connects and connects, also the thermistor line can be changed into negative temperature coefficient resister and be serially connected in loop at coil 2 77, its other end connects fixed contact 2, fixed contact 2 connects arc ignition bar 19 and is connected with the top of coil 1, the inside of coil 2 77 is provided with square shape iron core 82 jaggy, 82 of coil 2 77 and iron cores have insulating barrier 26, the both sides of iron core 82 extend spring tension maximum point both sides or the permanent reliable disconnected position of magnetic 54 of movable conducting rod 73 scopes of activities, to guarantee reliable separating brake, movable conducting rod 73 is contained in the middle of the iron core breach of iron core 82, iron core two arm cross sections are less, saturated during large electric current, in case electric power is excessive, iron plate 81 is equipped with in movable conducting rod 73 front and back, and to only can be not with iron plate 81 when the major break down current trip, movable conducting rod 73 tops be provided with moving contact 4, moving contact 4 tops connect leads arc bar 31, and above element forms fault current tripping operation group II.

Fig. 3, in Fig. 7 and Fig. 8, the insulate surface of are-tight grid sheet 68 arranges bar shaped and protrudes bar 63, 66, delegation has breach in the middle of protruding bar 63, another row 66 both sides have breach, mutually alternately, the protrusion bar 63 at described insulation is are-tight grid sheet 68 back sides, 66 with the protrusion bar of its front layout that misplaces mutually, to gain in strength, some insulation are are-tight, and grid sheet 68 is bonded in the centre of a pair of iron core arc resistance insulation cover 26, top and upper protrusion wall, bottom and the bonding composition arc extinguishing grid pieces of lower protrusion wall assembly also form upper airway 39, with lower airway 38 so that electric arc and air-flow circulation and arc extinguishing smoothly in the arc extinguishing process.The centre of the iron core arc resistance insulation cover 26 of the adjacent two are-tight grid sheets 68 of insulation is provided with the are-tight wall 71 of trapezoidal insulation of protrusion, with the insulation distance of 68 of the are-tight grid sheets of increase insulation and the intensity of the are-tight cover 26 of core insulation.connect a resistance 21 on the Ions Absorption grid sheet of both sides, top of the are-tight grid sheet 68 of insulation, like this in the arc extinguishing process electric arc under the brute force of magnetic force promotes, enter from the bottom of the are-tight grid sheet 68 that insulate, constantly be subject to protruding bar 63, 66 collision, extruding, elongate, arc current constantly reduces, arc voltage constantly raises, just form the shunt circuit with the resistance 21 that is connected on Ions Absorption grid sheet 69 when arriving the top, one part of current just increases coil magnetic force by resistance, and descend immediately by the arc current of the are-tight grid sheet both sides of insulating, arc voltage raises, form new balance, variation decline along with supply voltage, the voltage of are-tight grid sheet 68 both sides of insulating is not kept electric arc, electric arc just is tending towards extinguishing at 68 of are-tight grid sheets of insulation.Diode and the zero gate chip module 28 of arc current this moment by resistance, Ions Absorption grid sheet, wire loop, back, to the diode of a butted line opposite direction by the time electric arc just whole arc extinguishings.

be in operation moving, fixed contact is close contact under the pulling force of spring 141 and permanent magnet 54 suction, when the major break down electric current is arranged, because movable conducting rod 73 produces very high thrust, moving, fixed contact just separately produces electric arc immediately, electric arc moves upward along leading arc bar 31 under the promotion of magnetic force, opposite side enters coil 44 along arc ignition bar 19, electric arc is under the promotion of magnetic force, enter again in the are-tight grid chip module 64 of insulation, electric arc constantly is squeezed in moving upward, collision, elongate and reduce, when arc motion arrives top, just enter resistance 21, coordinate more flexible with switch like this, arc extinguishing speed is faster, also action simultaneously of relaying protection therebetween in switch motion, and follow procedure console switch, until complete whole process, when fault is time-delay quick-break or overcurrent, because of by line 2 77 electric currents by the thermistor line or so thermistor 23 shunt currents are less can not trip, by the time thermistor line resistance increases, coil 2 77 electric currents strengthen and just trip immediately after time-delay is arrived.When for overcurrent fault is less can not promote conducting rod the time or when needing normal running, complete tripping operation by protection and operation circuit.

in Figure 10 and Figure 11, the operating mechanism scheme is to do a hole on motion bar 85, be fixedly connected with action bars 135 on axle 139, combined floodgate bar 137 and trip(ping) bar 136 that sliding eye 138 is arranged, axle 139 is through in the hole of support 140, action bars 135 prothecas have the interior action bars 134 of sliding eye 138 and are enclosed within on axle 139, the hole of motion bar 85 is worn pin 130 in the sliding eye of action bars 134 and is connected with being connected, moving in order to coordinate permanent magnet 54 to strengthen, pressure between fixed contact, ironware 86 is made to have in motion bar 85 tops, single-phase for satisfying, phase to phase fault action definite value needs accurately, make three- phase operation bar 135, 134 is independent, action bars 134 top connecting lever linking springs 141 in each, the spring bottom is connected on the support 140 of axle 139 with screw 142, set screw 142 and spring maximum pull point and spring bottom fixing point are along the operating value of action bars direction of motion position-adjustable contact pressure and movable conducting rod, the starting point of interior action bars 134 and terminal point all will be in point of safes in the outside of spring tension maximum point, axle 139 can be not in the centre of interior action bars starting point and terminal point, , also doing on action bars 135 has time-delay to pull the hook 88 of interior action bars 134, this be can the phase-splitting action during for the tripping operation of single-phase or phase to phase fault and the action definite value accurately, during combined floodgate, action bars 135 need not crossed the spring tension maximum point, its position-adjustable combined floodgate iron core 148 push rod length are determined, after action bars 135 arrives the spring tension maximum point, by spring tension, interior action bars 134 is moved to and closed rear position, when single-phase or phase to phase fault, in fault phase motion bar 85 promotes immediately, action bars 134 is crossed the spring tension maximum point, then the hook of the time-delay on action bars 135 pulls the motion bar that there is no fault phase, three-phase is disconnected simultaneously, if when only having quick-break to lean on movable conducting rod electric power tripping operation, axle 139 positions can be departed from round about.During as need regulating electric thrust, or when overcurrent larger, when needing the fault current tripping operation, can regulate fixedly conducting rod 72 and shunt line current division ratio example or screw 142 and spring tension maximum point position.The spring tension maximum point is relevant with contact pressure, breaker tripping and closing required electric power size and mating protection etc. apart from the distance of the starting point of action bars and terminal point, adjusts as required.The hole of breaker tripping and closing iron core push rod is connected with the breaker tripping and closing bar, 137 sliding eye is worn pin and connected, the sliding eye camber, the tangent line with arc is vertical all the time in the breaker tripping and closing process to make combined floodgate and tripping operation iron core push rod, reduce the inclination friction of breaker tripping and closing iron core, breaker tripping and closing iron core outer setting coil 145,147, the combined floodgate mandrel lower has pit, and the corresponding position, bottom arranges buffer spring 131, and combined floodgate bar 137 can be with handle.

In order to prevent the arc extinguishing excessive velocities, electronic thrust reduces, and interior action bars 134 can not be crossed the spring tension maximum point, and dynamic and static contact can be set to plug-in type.

Figure 12 is the another kind of structural representation of coil and iron core, coil 160 has shell 161, in have upper diameter slightly little, the flat cone spirality iron core 162 that the bottom is large, narrow slit 163 is arranged between spiral, weld with diamagnetic material mutually, can shorten air-gap length like this, mandrel lower has diamagnetic support 164, so that and lower case isolation, inside has with the moving iron core 166 of the truncated cone of diamagnetic material push rod 169, the iron core middle part is thin, on, under air flue 167 is arranged, iron core motion Air is discharged smoothly, reduce resistance, lower diameter becomes imperial palace pit 168, the corresponding position is so that shock mount, top taper type iron core 166 also can change permanent magnet into, the permanent magnet active force is lengthened.

Figure 13, 14 and Figure 15 be arc control device I, the scheme that fault current tripping operation assembly II and tripping operation livelock button assembly III are used for the double-fracture switch is ground: arc control device I is equipped with fixed contact 2 in the bottom, fault current tripping operation assembly II is equipped with in the fixed contact bottom, below all be contained on supporting insulator 116, moving contact 4 is equipped with on movable conducting rod 73 both sides, iron plate 81 is equipped with in moving contact 4 lower guide electric pole both sides, movable conducting rod 73 middle parts connect insulating driving rod 150, insulating driving rod 150 is contained in fixed insulation 117, fixed insulation 117 is contained on framework 90, bottom one side connects combined floodgate bar 137, the combined floodgate bar connects making electromagnet 148 and tripping operation spring 141, because these components and parts are that level is installed, so the electromagnet rear portion need to connect resetting spring 151, resetting spring 151 also can be merged into one with tripping operation spring 141, opposite side connects tripping operation livelock button assembly, the permanent magnet 54 that is connected on trip(ping) bar 136 is wherein arranged, permanent magnet 54 is outside equipped with fairlead 155, the opposite is fixed with iron core 157, its outer setting coil 156, the coil outer cover has iron-clad 158.Tripping operation livelock button assembly also can be adapted as lever and spring structure mode.Supporting insulator 116 and fixed insulation 117 all are contained on base.

Below the utility model is used for the electronic electromagnetic intelligent switch of high-voltage electric power system arc quenching principle and process be described in further detail:

can be manually when switch need to move or the electric operating switch close a floodgate, high-pressure electronic electromagnetic intelligent switch after the switch closure, moving, the fixed contact close contact, make circuit connect normal operation, arc-control device is in idle condition, when the major break down electric current is arranged, 73 of conducting rods just produce very large electric power, conducting rod is open immediately, moving, just produce electric arc between fixed contact, electric arc moves upward immediately and goes forward side by side in coil 1 and the are-tight grid chip module 64 that insulate under magnetic force moving, electric arc constantly moves upward under magneticaction, and be squeezed, collision, elongate and reduce, electric arc arrives arc extinguishing grid pieces assembly top and enters resistance 21, movable conducting rod have enough thrust promote in action bars 134 motions cross spring maximum pull point position, switch just disconnects, lead arc bar 31 and also move to arc ignition bar 30 outsides, electric arc enters diode, when electric arc and diode current flow opposite direction, electric arc just extinguishes fully, be when delaying time quick-break when fault current is less, because of coil 2 77 both sides and connect the thermistor line or thermistor can not be pushed open because electric current is less, and the quick-break of previous stage switch comparatively fast disconnects in advance, as not disconnecting, increasing electric current to the thermistor line resistance reduces, and coil 2 77 electric currents disconnect when increasing immediately, relaying protection at the same time, and operating mechanism also moves, there is like this grace time to make relaying protection detect judgement, determine the nature of trouble classification, carry out again console switch, the action of relaying protection and switching mechanism has just become the reserve action like this, improved reliability, when fault is overcurrent, by the time after relaying protection action, connect breaking coil, conducting rod is just pulled open tripping operation and arc extinguishing, when there is fault switch inside can not arc extinguishing the time, electric arc just enters in automatically replaceable protective tube 70 and arc extinguishing, when switch puts into operation or reclosing overlaps on fault moving, when discharging between fixed contact, so lighter because producing simultaneously just move upward contact burn of magnetic force electric arc, movable conducting rod 73 also produces very high thrust, because having one section free travel, interior action bars 134 makes the tripping immediately of switch non-resistance, as having shifted because of thermistor line thermocurrent for the time-delay quick-break, play acceleration, so speed is exceedingly fast.When in service need the disconnection, can electronic or manual tripping switch.

Claims (8)

1. electronic electromagnetic intelligent switch that is used for high-voltage electric power system, comprise striking contact assembly (17) and insulation are-tight grid chip module (64), the top of striking contact assembly (17) is provided with insulation are-tight screen (67), the outside that is through the inner iron core (46) of coil one (44) extends the are-tight grid chip module of insulation (64) both sides that are comprised of the are-tight screen of insulation (68), are-tight grid chip module (64) upper outside that insulate has Ions Absorption grid sheet (69) and electric arc zero gate chip module (28), several Ions Absorption grid sheets (69) are connected with the zero gate chip module and are respectively connected a prescription between several grid sheets to opposite high voltage rectifier (14), said apparatus forms arc control device (I), it is characterized in that, described arc control device (I) are arranged on the upper ledge of the Insulating frame (91) that is installed on supporting insulator (116), iron plate (81) one sides that the bottom arranges the fault current tripping operation assembly (II) of power line (5) connection connect insulation motion bars (85), and be through in the guide cylinder (84) that is fixed on framework (91) frame, the rear end of described guide cylinder (84) arranges permanent magnet (54), movable conducting rod (73) bottom arranges roller (124), end connects flexible cord (120), motion bar (85) is connected with the action bars (135) of operating mechanism.

2. a kind of electronic electromagnetic intelligent switch for high-voltage electric power system according to claim 1, it is characterized in that, coil two (77) and shunt line or thermistor line (23) that described fault current tripping operation assembly (II) is connected with and connects, its other end connects fixed contact (2), fixed contact (2) connects arc ignition bar (19) and is connected with the top of coil one (44), the inside of coil two (77) is provided with square shape iron core jaggy (82), the both sides of iron core (82) extend the spring tension maximum point both sides of movable conducting rod (73) scope of activities, movable conducting rod (73) is contained in the middle of the iron core breach of iron core (82), iron plate (81) is housed before and after movable conducting rod (73), movable conducting rod (73) top is provided with moving contact (4), moving contact (4) top connects leads arc bar (31), and above element forms fault current tripping operation group (II).

3. a kind of electronic electromagnetic intelligent switch for high-voltage electric power system according to claim 2, it is characterized in that, the trapezoidal portions both sides of the arc extinguishing grid pieces (18) of described coil one (44) below are provided with the skewed slot (48) that tilts to both sides from the centre, and the bottom, both sides is that rectangle is provided with hole (47).

4. a kind of electronic electromagnetic intelligent switch for high-voltage electric power system according to claim 1, thick middle both sides book is moved towards in being shaped as along electric arc of the are-tight screen of described insulation (67), circle or polygon are set on plate protrude bar (65), bar is protruded in the centre of another row protrusion in delegation, dislocation is arranged mutually, the front portion of protruding bar is longer than the length at rear portion, contact resistance (20) between next-door neighbour's Ions Absorption grid sheet (69) and last striking contact (3).

5. a kind of electronic electromagnetic intelligent switch for high-voltage electric power system according to claim 1, it is characterized in that, the surface of the are-tight screen of described insulation (68) arranges bar shaped and protrudes bar (63,66), delegation has breach in the middle of protruding bar (63), another row protrudes bar (66) both sides and has breach, mutually alternately, the protrusion bar of the protrusion bar (63,66) at the are-tight grid sheet of described insulation (68) back side and its front layout that misplaces mutually; Some insulation are are-tight, and grid sheet (68) is contained in the centre of a pair of iron core arc resistance insulation cover (26), the wall that top and upper airway protrude, bottom and lower airway protrusion wall are bonding and form insulation are-tight grid chip module (64), and form top airway (39) and lower airway (38); The outer core insulation (35) that arranges of iron core (46); Be provided with the are-tight wall of insulation (71) of the approximate trapezoid of protrusion on iron core arc resistance insulation cover (26) in the middle of the adjacent two are-tight grid sheets of insulation (68), being shaped as in the bottom of the are-tight cover of core insulation (26) of the are-tight wall of described insulation (71) is high, top is low, jointly forms insulated gate chip module (64).

6. a kind of electronic electromagnetic intelligent switch for high-voltage electric power system according to claim 1, it is characterized in that, described operating mechanism is on insulation motion bar (85), the hole to be set, be fixedly connected with insulating bar (135) on axle (139), be provided with combined floodgate bar (137) and the trip(ping) bar (136) of sliding eye (138) on it, the ironware (88) that motion bar (85) top setting and permanent magnet (54) are used in conjunction with, action bars (135) protheca has the interior action bars (134) of sliding eye (138) to be through on axle (139), axle (139) is through in the hole of support (140), wearing pin (130) in the hole of motion bar (85) and the sliding eye (138) of being connected on action bars (134) connects, the top connecting lever linking springs (141) of interior action bars (134), the spring bottom is connected to support (140) bottom of axle (139) with spiral shell (142), the starting point of interior action bars (134) and terminal point are all in the outside of spring tension maximum point, be in point of safes, combined floodgate iron core (148) push rod, hole and the combined floodgate bar (137) of tripping operation iron core (146) push rod, the sliding eye of trip(ping) bar (136) connects with pin, the sliding eye camber, combined floodgate iron core outer setting coil (147), tripping operation iron core outer setting coil (145), the combined floodgate mandrel lower arranges pit, its correspondence position arranges spring (131), combined floodgate bar (137) is with handle.

7. a kind of electronic electromagnetic intelligent switch for high-voltage electric power system according to claim 1, it is characterized in that, the another kind of version of described operating mechanism is: at coil (160), shell (161) is set, it is up-small and down-big flat cone-type spiral iron core (162) that inside arranges diameter, narrow slit (163) is arranged between spiral, weld with diamagnetic material mutually, mandrel lower has diamagnetic support (164), there is the moving iron core (166) of the truncated cone of band diamagnetic material push rod (169) inside, the iron core middle part is thin, on, under air flue (167) is arranged, pit (168) is arranged at the bottom.

8. a kind of electronic electromagnetic intelligent switch for high-voltage electric power system according to claim 1, it is characterized in that, fixed contact (2) is equipped with in described arc control device (I) bottom, fault current tripping operation assembly (II) is equipped with in the fixed contact bottom, below all be contained on supporting insulator (116), moving contact (4) is equipped with on movable conducting rod (73) both sides, iron plate (81) is equipped with in moving contact (4) lower guide electric pole both sides, movable conducting rod (73) middle part connects insulating driving rod (150), insulating driving rod (150) is contained in fixed insulation (117), fixed insulation (117) is contained on framework (90), insulating driving rod bottom one side connects combined floodgate bar (137), the combined floodgate bar connects making electromagnet (148) and tripping operation spring (141), the electromagnet rear portion connects resetting spring (151), opposite side connects tripping operation livelock button assembly (III), the permanent magnet (54) that is connected on trip(ping) bar (136) is wherein arranged, permanent magnet (54) is outside equipped with fairlead (155), the opposite is fixed with iron core (157), its outer setting coil (156), the coil outer cover has iron-clad (158).

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