CN101556876A - Electronic electromagnetic intelligent switch - Google Patents

Abstract

The invention provides an electronic electromagnetic intelligent switch which comprises a moving contact, a fixed contact component and an arc-extinguishing device I, wherein, the fixed contact component is connected with an arc striking contact and coils on the arc-extinguishing device I by connecting wires; a main fixed contact of the fixed contact component is provided with a turn arm; a magnet core inside the arc-extinguishing device I extends outside the coil to the two sides of an arc-extinguishing cover and a grid piece; the grid piece is provided with an electronic arc-extinguishing device along the rear edge of electric arc wave and a closed arc extinguish chamber. In the proposal, the arc striking contact is formed by more strip-shaped contacts, each of which is connected with a plurality of coils, so that excitation ampere turns can be strengthened; the magnet core is made of rectangular magnetic material and other special magnet cores, and the characteristics can be fully exerted, so that the arc-extinguishing capability can be enhanced; meanwhile, the turn arm added on the fixed contact can be matched with a high voltage electrical switch intelligent operation mechanism developed by the inventor; when coming across large failure current, the machine directly makes tripping operation without relay protection and complicated action process of a switch mechanism by utilizing the energy of failure current, so that the speed of tripping operation is greatly accelerated, and the reliability of the switch is enhanced.

Description

A kind of electronic electromagnetic intelligent switch

Technical field

The present invention relates to a kind of high-voltage switch gear that is used for electric power system, especially relate to a kind of electronic electromagnetic intelligent switch.

Background technology

The applicant discloses a kind of electronic electromagnetic intelligent switch in application number is 200820028737.4 utility model application, this kind switch in actual use, there are the following problems: because striking contact coil turn is few, its arc extinguishing ability is strong not enough; Electric arc ripple back edge electronic arc-suppressor is owing to adopt voltage circuit to start, and reliability is relatively poor; Airtight arc control device adopt current coil to come the opening and closing contact, make difficulty; Fixed contact can not directly act on tripping operation when big current failure; The iron core that is adopted is not owing to extend to the both sides of metal gate sheet, cause current over-zero during the arc extinguishing ability relatively poor.

Summary of the invention

In order to overcome the deficiency that exists in the above-mentioned technology, the invention provides that a kind of arc extinction performance is stronger, reliability is higher, the easy more electronic electromagnetic intelligent switch of structure.

The objective of the invention is to realize: a kind of electronic electromagnetic intelligent switch by following proposal, comprise moving contact, fixed contact assembly and arc extinguisher I, described fixed contact assembly is connected with striking contact 3 and coil 44 on the described arc extinguisher I by connecting lead 45; Described fixed contact assembly comprises main fixed contact 2 and is welded on connecting lever 7 on the main fixed contact 2, the fixed head 11 of described connecting lever 7 below main fixed contact 2 is connected by annealed copper wire 9, the iron core 12 that connecting lever 7 both sides are stretched on top is equipped with in described connecting lever 7 inside, and fixed support 13 is equipped with in the bottom; The rear portion is welded to connect lead 45 on the back side of described main fixed contact 2; One of rear portion welding is close to and crooked fixing elastic steel sheet 8 with it, and steel disc 8 is provided with narrow slit 32 and fixes with fixed head 11 insulation; Described arc extinguisher I comprises striking contact 3, arc-extinguish chamber 64 and the grid sheet 66 of the mains side upper back that is arranged on described main fixed contact 2, described striking contact 3 is installed on the grid sheet chassis 17 that is positioned at 46 tops unshakable in one's determination by fixing hole 19, described grid sheet chassis 17 is provided with grid sheet 18, and described striking contact 3 and described grid sheet 18 are alternately; Connect lead 45 on each contact of described striking contact 3, each connects lead 45 linking number circle coils, and described coil is interconnected into a whole coil 44, wears in the coil 44 with unshakable in one's determination 46; Described arc-extinguish chamber 64 is fixedly installed in the top and the rear portion of striking contact 3, and described unshakable in one's determination 46 stretch out in the outside of coil 44 and extend to the both sides of described arc-extinguish chamber 64 and described grid sheet 66; Be connected resistance 65 between the grid sheet 66 of described striking contact 3 and adjacency thereafter; Connect one or several on one of them grid sheet of described grid sheet 66 and be fixedly mounted on the automatically replaceable protective tube 70 in this arc-control device front and side.

In such scheme, the top of described grid sheet 66 also is provided with insulation are-tight grid sheet 68 and ionic absorption grid sheet 69, and described insulation is are-tight grid sheet 68 and ionic absorption grid sheet 69 and described grid sheet be 66 alternate, be staggered.

In such scheme, the iron plate 14 of horse-saddle is set on the conducting rod of described moving contact 4, the position of connecting lever 7 is corresponding on described iron plate 14 and the described fixed contact assembly.

In such scheme, described striking contact 3 is formed for the bar shaped contact of being made by some diamagnetic materials.

In addition, in such scheme, described unshakable in one's determination 46 composite materials that adopt square magnetic property material or form with other characteristic iron core.

In such scheme, the leading portion of described grid sheet 66 is a diamagnetic material, and back segment is a ferrous material, and described electric arc ripple back edge electronic arc-suppressor II, ion remover III and airtight arc control device IV are connected to several grid sheet both sides of leading portion diamagnetic material; Described automatically replaceable protective tube 70 is connected on the back segment irony grid sheet.

In the such scheme, described grid sheet 66 is provided with airtight arc control device IV, described airtight arc control device IV is provided with sealing shell 22, airtight arc control device IV inside is provided with fixedly conducting rod 23 and movable conducting rod 24, inlet wire conducting rod 20 is connected with fixing conducting rod 23, contact 25 and run-on tab 26 are set respectively on described fixedly conducting rod 23 and the movable conducting rod 24, and its two opposite sides is parallel to each other and narrow gap is left in the centre; Sliding conduction bar 21 and movable conducting rod 24 usefulness fixedly sliding panel 27 are fixing, the front end of described sliding conduction bar 21 stretches out airtight arc control device IV outside and passes expansion joint 28 and insert in the spring bucket 29, the top of sliding conduction bar 21 connects piston 30, in the described spring bucket 29 stage clip 31 that is connected with described piston 30 is set, the rear end of spring bucket 29 has the pore 33 of band elastic exterior cover, and front end has the pore 34 of band elasticity inner cap; Soft lead-in wire 15 also is set on the described sliding conduction bar 21 and connects driver plate 35, the centre that connects driver plate 35 is fixed with rotation axis, the other end connects insulating bar 38, is with coil 42 on the described insulating bar 38 and connects iron 39, and iron 39 front ends connect extension spring 40 and fixing.

In the scheme of above-mentioned airtight arc control device IV, when electric current hour, in inside or the outside of airtight arc control device IV, coil 43 of inlet wire conducting rod 20 serial connections, the inside of described coil 43 is provided with iron core 41, and the back side of described movable conducting rod 24 is provided with an iron core equally.

Especially, in the such scheme, electric arc ripple back edge electronic arc-suppressor II also is set on described leading portion diamagnetic material grid sheet 66, described electric arc ripple back edge electronic arc-suppressor II is connected with the idiostatic current transformer 6 of mains side, is connected with transformer 52 or capacitor 100, luminous tube 103, photosensitive tube 104 again; Described electric arc ripple back edge electronic arc-suppressor II comprises shielding box, inner forms half-wave testing circuit behind the electric current by capacitor 110, potentiometer 111, diode 108, again through inverted triode 107, and startup direction pair of opposite triode 58 or thyristor 60; Or with voltage oscillation amplification detection device 56,105, timing circuit 106, monostable clocked flip-flop 57 starts direction pair of opposite triode 58 or thyristors 60, and described triode 58 or thyristor 60 also are connected in series the diode 59 of right quantity.

Compared with prior art, the present invention has following beneficial effect:

1, striking contact 3 has adopted the bar shaped contact, has increased coil turn, has improved the arc extinguishing ability;

2, unshakable in one's determination 46 increase employing square magnetic property iron core, have improved current over-zero medium recovery speed;

3, installed connecting lever 7 on the fixed contact additional; a kind of intelligent operating mechanism for high voltage electric switch of having developed and applied for a patent with the applicant cooperates; when taking place, can make switch directly tripping operation without the complex process of relaying protection and switching mechanism electric loop than the major break down electric current; realize the intelligent function of switch, improved the reliability of switch.

Description of drawings

Fig. 1 is the mounting structure schematic diagram of intelligent switch of the present invention;

Fig. 2 is the structural representation of arc extinguisher I;

Fig. 3 is the vertical view of Fig. 2;

Fig. 4 is the A-A view of Fig. 2;

Fig. 5 is the B-B view of Fig. 4;

Fig. 6 is the structural representation of fixed contact 2;

Fig. 7 is the left side view of Fig. 6;

Fig. 8 is the structural representation of airtight arc control device IV;

Fig. 9 is the C-C view of Fig. 8;

Figure 10 is the key wiring diagram of electric arc ripple back edge electronic arc-suppressor II.

I is an arc-control device among the figure, and II is an electric arc ripple back edge electronic arc-suppressor, and III is the ion remover, IV is airtight arc control device, and 2 is fixed contact, and 3 are the striking contact, 4 is moving contact, and 5 are the mains side lead-in wire, and 6 is idiostatic current transformer, 7 is connecting lever, and 8 is steel disc, and 9 is flexible conductor, 10 is flash barrier, and 11 is fixed head, and 12 is unshakable in one's determination, 13 is fixed support, and 14 is shape of a saddle iron plate, and 15 is soft lead-in wire, 16 is the run-on tab fixed block, and 17 is grid sheet chassis, and 18 is arc-chute, 19 is protruding slider bar, and 20 is the inlet wire conducting rod, and 21 is the sliding conduction bar, 22 is shell, and 23 are fixing conducting rod, and 24 is movable conducting rod, 25 is contact, and 26 is run-on tab, and 27 are fixing sliding panel, 28 is expansion joint, and 29 is the spring bucket, and 30 is piston, 31 is spring, and 32 is narrow slit, 33 pores for the band elastic exterior cover, 34 pores for band elasticity inner cap, 35 is driver plate, 38 is insulating bar, 39 is iron, and 40 are extension spring, and 41 is unshakable in one's determination, 42,43,44 is coil, and 45 for connecting lead, and 46 is unshakable in one's determination, 49 is to ground electrode, 50,53,59 is diode, and 52 is transformer, 54 is electric capacity of voltage regulation, and 55 is voltage-stabiliser tube, and 57 is monostable clocked flip-flop, 58 is triode, 60 is thyristor, and 64 is arc-extinguish chamber, and 65 is resistance, 66 is the grid sheet, 67 is cover plate, and 68 are the are-tight grid sheet of insulation, and 69 is ionic absorption grid sheets, 70 is protective tube, 71 is resistance, 100,110 is capacitor, and 103 is luminous tube, 104 photosensitive tubes, 56,105 is voltage oscillation amplification detection device, and 106 is timing circuit, and 107 is inverted triode, 108 is diode, 111 potentiometers.

Embodiment

Below in conjunction with drawings and Examples the present invention is described in detail:

Fig. 1 is the mounting structure schematic diagram of intelligent switch of the present invention, and arc extinguisher I is fixedly mounted on the base of fixed contact 2 in Fig. 1.Closed mutually with fixed contact 2 during moving contact 4 energisings, fixed contact 2 is connected with power supply by mains side lead-in wire 5.On mains side lead-in wire 5, idiostatic current transformer 6 and electric arc ripple back edge electronic arc-suppressor II are housed.

By Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the striking contact 3 that connects on the fixed contact 2 in the arc extinguisher I is made up of some bar shaped diamagnetic material contacts, be installed on the chassis 17, the fixing hole 19 that grid sheet 18 and striking contact 3 are arranged on the chassis 17, be installed on the top and back of coil 44, can insert more coil like this.Be connected with the connection lead 45 of coil 44 on each striking contact 3, connect linking number circle coil on the lead 45, all coil connects into a whole coil 44 again, in order to prevent that electric power is excessive between coil, can and connect a resistance between coil, wind again on the iron core with the more coil of the number of turn, usefulness as ion remover etc., arc extinguishing grid pieces 18 is set between contact, arc extinguishing grid pieces 18 is arranged on the chassis 17, be arranged in above the coil outside and the back, insulation as 3 of coil 44 and striking contacts, arc-extinguish chamber 64 is loaded on striking contact 3 tops and rear portion, the iron core 46 of striking contact coil 44 extends to arc-extinguish chamber 64 and previous section diamagnetic material grid sheet both sides after stretching out coil, outsourcing unshakable in one's determination is with the insulation arc resistant material, both sides have grid sheet upper end unshakable in one's determination narrower, the lower end broad is so that the grid sheet passes, part core material employing magnetic hysteresis loop is that the magnetic property irony of rectangle makes, so that still have enough strong magnetic force during the current over-zero, blow arc ions open, rectangle magnetic property iron core can use with unshakable in one's determination mixing of other performances as required, so that performance characteristics separately, grid sheet 66 is housed in the arc control device, are-tight grid sheet 68 and ionic absorption grid sheet 69 insulate, insulate are-tight grid sheet 68 and ionic absorption grid sheet 69 is positioned at the top of grid sheet 66 and alternate in length and breadth mutually with grid sheet 66, be staggered, be convenient to the horizontal arc blow-out of air-flow road arc extinguishing like this, the grid sheet arranges that previous section is that diamagnetic material grid sheet aft section is ferrous material grid sheets in the arc control device, diamagnetic material grid sheet 66 tops are connected with electric arc ripple back edge electronic arc-suppressor II, airtight arc control device IV is to make arc extinction between the grid sheet by arc current, and ion remover 4 is to remove arc ions, top cover 67 bottoms are provided with ionic absorption grid sheet 68, with the survivor ion of absorption from grid sheet 66, electric arc was blown into arc control device grid sheet and arc extinguishing by magnetic force when switch disconnected, and a connection in the grid sheet of back is contained in the automatic replacing protective tube 70 outside the arc-control device 1.

Fig. 6 is the structural representation of fixed contact 2, and Fig. 7 is the left side view of Fig. 6; By Fig. 6 and Fig. 7, bending part blocks in the copper sheet upper and lower of fixed contact 2, welding one connecting lever 7 is connected with following fixed head 11 on copper sheet, be equipped with unshakable in one's determination 12 in the connecting lever 7, the top is stretched in 12 both sides unshakable in one's determination, increases magnetic force during little electric current, and the saturated thrust that makes unshakable in one's determination is unlikely excessive during big electric current, fixed support 13 is equipped with in 12 bottoms unshakable in one's determination, can bear big electric power when the major break down electric current is arranged.On correspondence position moving contact 4 conducting rods of connecting lever 7, install the iron plate 14 of horse-saddle additional; after switch closes a floodgate; keep a narrow slot between connecting lever 7 and moving contact 4 conductions; the effect of connecting lever 7 is when circuit has fault; produce very high thrust between connecting lever 7 and moving contact 4 conducting rods, make switch directly act on tripping operation, accelerated tripping operation speed without the electric loop of relaying protection and switching mechanism; realize the intelligent function of switch, improved the reliability of switch.Be welded with flexible steel disc 8 in the copper sheet back, steel disc 8 makes to have narrow slit, the degaussing in order to avoid produce eddy current, adding insulation after steel disc 8 bendings is fixed on the fixed head 11, steel disc 8 also quite increases an about turn coil, in order to satisfy the conductive section requirement not only as magnetic conductor but also as resiliency supported, 11 of connecting lever 7 and fixed heads also connect an annealed copper wire 9, and the connection lead 45 of striking contact 3 coils 44 is also welded in fixed contact 2 copper sheet back.When being used for the less situation of fault current, fixed contact 2 copper sheet back also can be provided with iron core.The also available steel wire of steel disc 8 adds the insulation combination and replaces.

Fig. 8 is the structural representation of airtight arc control device IV, Fig. 9 is the C-C view of Fig. 8, by Fig. 8 and Fig. 9, airtight arc control device have shell 22, in the shell for vacuum or fill with sulphur hexafluoride, in fixedly conducting rod 23 is housed, movable conducting rod 24, fixing, on the movable conducting rod identical shaped contact 25 and run-on tab 26 are housed respectively, run-on tab 26 both sides are fixing with the fixed block on the shell 16, movable conducting rod 24 and sliding conduction bar 21 usefulness fixedly sliding panel 27 are fixing, protruding slider bar 19 is fixedly arranged on the sliding panel 27, sliding conduction bar 21 connects expansion joint 28 and inserts spring bucket 29, connect piston 30 before the sliding conduction bar, connect stage clip 31 before the piston, spring bucket 29 rear ends have the pore 33 of band elastic exterior cover, front end has the pore 34 of elasticity inner cap in the band, airtight arc control device are connected across several grid sheet two ends by inlet wire 20 and soft lead-in wire 15, contact 25 tight closure under the pressure of spring 31 when not having electric current, when big electric current passes through, fixing, just produce the repulsion electric power between movable conducting rod, promotion activity conducting rod 24 away from, 25 of contacts also produce electric arc simultaneously, under electrodynamic effect, electric arc advances to run-on tab 26 ends, conducting rod away from the time sliding conduction bar 21 by airtight arc control device expansion joint 28 promote the piston 30 in the spring buckets and promote spring 29 simultaneously, piston 30 front ends of spring enter air, the rear end air-out, after current vanishes, sliding conduction bar 21 begins to return under the effect of spring, because pore 33,34 have elastomer cover and closure, piston there is damping action and has delayed return speed, not enough in order to prevent to delay the time, on conducting rod, connect driver plate 35, driver plate 35 center fixed are rotated the other end and are connected insulating bar 38, be with coil 42 on the insulating bar 38 and connect iron 39, iron 39 front ends connect extension spring 40 and fixing, when airtight arc control device IV electric arc disconnects, and the resistance 71 that connects and coil 42 just have electric current to pass through, when coil 42 passes through electric current, just the adhesive iron 39, by driver plate 35 the sliding conduction bar can not be returned, after the electric current complete obiteration, borrow the pulling force of spring 40 that conducting rod is returned, guaranteed the correct operation of airtight arc control device.When electric current hour inlet wire 20 and fixedly between conducting rod in airtight arc control device or outside can be connected in series coil 43 and add unshakable in one's determinationly 41, sliding conduction bar 24 inboards also can install iron core additional simultaneously.

Figure 10 is the winding diagram of electric arc ripple back edge electronic arc-suppressor II, be connected on adjacent several grid sheet both sides of front diamagnetic material grid sheet 66, get the control power supply by idiostatic current transformer 6 secondary sides through rectifying and voltage-stabilizing, end with capacitor 110 discharging and recharging and potentiometer 111 power takings stream back half-wave voltage signal in addition with diode 108 conductings, start direction pair of opposite triode 58 or thyristors 60 through inverted triode 107 again.Other method is to get time control voltage from primary power source line 5, and the time is controlled desirable voltage zero point or peak point as time reference signal, passes through transformer 52 again and to ground electrode 49, provides inductance of three-point voltage oscillation amplification detection device 56 signals; Or make luminous tube 103 luminous again through photosensitive tube 104 through capacitor 100 usefulness charge and discharge systems, provide electric capacity bridge-type voltage oscillation amplification detection device 105 signals, above dual mode can adopt any to trigger monostable clocked flip-flop 57 through timing circuit 106 again, starts opposite triode 58 of a butted line direction or controllable silicon 60 equally.Oscillation circuit is time still by system frequency to be remained unchanged during electric voltage exception in order to satisfy system during the major break down electric current.Frequency of oscillation can be by setting in 50 weeks or 100 weeks, and oscillation circuit also can be formed by monostable clocked flip-flop 57 functions expansion.When electric arc enters the grid sheet behind electric arc ripple back edge setting-up time, start triode 58 or thyristor 60, make triode identical or thyristor conducting with the electric arc direction, add grid sheet both sides again square magnetic property iron core is housed, residual charge still has strong arc blow-out ability between the iron core that the square magnetic property is arranged behind the electric arc introducing electric arc ripple back edge electronic arc-suppressor 2 is to the grid sheet, electric arc thoroughly extinguishes between the grid sheet and make, medium recovery, when current reversal, prolong moving, reach the insulation recovery time in the electric arc distance between fixed contact and other grid sheets, reach whole medium recoveries, arc extinction, on the contrary process is identical.Can be in order to satisfy the voltage needs at the diode 59 of triode and thyristor loop serial connection right quantity, element is loaded in the ferromagnetics shielding box, the box shell also can be used as pressure to ground electrode.

Below the arc quenching principle and the process of electronic electromagnetic intelligent switch of the present invention is described in further detail:

When switch closure, moving contact 4 closely contacts with fixed contact 2, make circuit connect normal operation, arc extinguisher I is in idle condition, moving contact 4 breaks away from fixed contact 2 earlier when switch disconnects, then by striking contact 3, the bottom of first striking contact 3 also is equivalent to a turn coil because of fixed contact 2, so have the magnetic blow-out effect, therefore electric arc is pushed striking contact 3 ends rapidly under the effect of magnetic force, enters simultaneously in the arc-extinguish chamber 64, electric arc is in the collision of arc-chute, extruding, under the elongation effect, reduce significantly rapidly, arc current also enters resistance 65, and electric arc enters in the arc control device front diamagnetic material grid sheet 66 more then, because of being connected with electric arc ripple back edge electronic arc-suppressor II on the grid sheet, ion remover III, airtight arc control device IV, opposite paired because the triode 58 of electric arc ripple back edge electronic arc-suppressor II or thyristor 60 wiring are directions, so no matter the sense of current how, capital short circuit grid sheet perhaps enters airtight arc control device IV and makes grid sheet short circuit in the cross-over connection, arc extinction.Because the rectangular hysteresis material iron core is equipped with in arc-chute 64 both sides and diamagnetic material grid sheet both sides, strengthened during the current over-zero magnetic blow-out power to arc ions, this section dielectric is recovered rapidly, electric arc is gone forward side by side into arc control device rear portion grid sheet 66 during this period, then enter ionic absorption grid sheet 69, electric arc is divided into many sections, under the acting in conjunction of these parts, electric arc is extinguished fully, when disconnecting little electric current, electric arc does not enter arc control device and can extinguish, when arc control device have fault can not arc extinguishing the time, electric arc promptly enters the protective tube 70 of back and arc extinguishing.When bigger fault current takes place in circuit; just produce very high thrust between switch fixed contact connecting lever 7 and moving contact conducting rod; a kind of intelligent operating mechanism for high voltage electric switch that cooperates applicant's development; switch just can directly trip without the process of relaying protection and switching mechanism electric loop complexity; accelerated switch trip speed; realize intelligent function, improved the reliability of switch.

Claims (9)

1. an electronic electromagnetic intelligent switch comprises moving contact, fixed contact assembly and arc extinguisher I, it is characterized in that, described fixed contact assembly is connected with striking contact (3) and coil (44) on the described arc extinguisher I by connecting lead (45); Described fixed contact assembly comprises main fixed contact (2) and is welded on connecting lever (7) on the main fixed contact (2), the fixed head (11) of described connecting lever (7) below main fixed contact (2) is connected by annealed copper wire (9), the iron core (12) that connecting lever (7) both sides are stretched on top is equipped with in described connecting lever (7) inside, and fixed support (13) is equipped with in the bottom; The rear portion is welded to connect lead (45) on the back side of described main fixed contact (2); One of rear portion welding is close to and crooked fixing elastic steel sheet (8) with it, and steel disc (8) is provided with narrow slit (32) and fixes with fixed head (11) insulation; Described arc extinguisher I comprises striking contact (3), arc-extinguish chamber (64) and the grid sheet (66) of the mains side upper back that is arranged on described main fixed contact (2), described striking contact (3) is installed on the grid sheet chassis (17) that is positioned at iron core (46) top by fixing hole (19), described grid sheet chassis (17) is provided with grid sheet (18), and described striking contact (3) and described grid sheet (18) are alternately; Connect lead (45) on each contact of described striking contact (3), each connects lead (45) linking number circle coil, and described coil is interconnected into a whole coil (44), wears in the coil 44 with (46) unshakable in one's determination; Described arc-extinguish chamber (64) is fixedly installed in the top and the rear portion of striking contact (3), and described iron core (46) stretches out in the outside of coil (44) and extends to the both sides of described arc-extinguish chamber (64) and described grid sheet (66); Be connected resistance (65) between the grid sheet (66) of described striking contact (3) and adjacency thereafter; Connect one or several on one of them grid sheet of described grid sheet (66) and be fixedly mounted on the automatically replaceable protective tube (70) in this arc-control device front and side.

2. electronic electromagnetic intelligent switch according to claim 1, it is characterized in that, the top of described grid sheet (66) also is provided with insulation are-tight grid sheet (68) and ionic absorption grid sheet (69), and described insulation is are-tight grid sheet (68) and ionic absorption grid sheet (69) be alternate with described grid sheet (66), be staggered.

3. electronic electromagnetic intelligent switch according to claim 1 is characterized in that, the iron plate (14) of horse-saddle is set on the conducting rod of described moving contact (4), and the position of connecting lever (7) is corresponding on described iron plate (14) and the described fixed contact assembly.

4. electronic electromagnetic intelligent switch according to claim 1 is characterized in that, described striking contact (3) is formed for the bar shaped contact of being made by some diamagnetic materials.

5. electronic electromagnetic intelligent switch according to claim 1 is characterized in that, the composite material that described iron core (46) adopts square magnetic property material or forms with other characteristic iron core.

6. electronic electromagnetic intelligent switch according to claim 1, it is characterized in that, the leading portion of described grid sheet (66) is a diamagnetic material, back segment is a ferrous material, and described electric arc ripple back edge electronic arc-suppressor II, ion remover III and airtight arc control device IV are connected to several grid sheet both sides of leading portion diamagnetic material; Described automatically replaceable protective tube (70) is connected on the back segment irony grid sheet.

7. electronic electromagnetic intelligent switch according to claim 1, it is characterized in that, described grid sheet 66 is provided with airtight arc control device IV, described airtight arc control device IV is provided with sealing shell (22), airtight arc control device IV inside is provided with fixedly conducting rod (23) and movable conducting rod (24), inlet wire conducting rod (20) is connected with fixing conducting rod (23), contact (25) and run-on tab (26) are set respectively on described fixedly conducting rod (23) and the movable conducting rod (24), and its two opposite sides is parallel to each other and narrow gap is left in the centre; Sliding conduction bar (21) and movable conducting rod (24) are with fixedly sliding panel (27) is fixing, the front end of described sliding conduction bar (21) stretches out airtight arc control device IV outside and passes expansion joint (28) and insert in the spring bucket (29), the top of sliding conduction bar (21) connects piston (30), the stage clip (31) that is connected with described piston (30) is set in the described spring bucket (29), the rear end of spring bucket (29) has the pore (33) of band elastic exterior cover, and front end has the pore (34) of band elasticity inner cap; Soft lead-in wire (15) also is set on the described sliding conduction bar (21) and connects driver plate (35), the centre that connects driver plate (35) is fixed with rotation axis, the other end connects insulating bar (38), be with coil (42) on the described insulating bar (38) and connect iron (39), iron (39) front end connects extension spring (40) and fixing.

8. electronic electromagnetic intelligent switch according to claim 7, it is characterized in that, inside or outside at described airtight arc control device IV, inlet wire conducting rod (a 20) serial connection coil (43), the inside of described coil (43) is provided with iron core (41), and the back side of described movable conducting rod (24) is provided with an iron core equally.

9. electronic electromagnetic intelligent switch according to claim 1, it is characterized in that, electric arc ripple back edge electronic arc-suppressor II also is set on described leading portion diamagnetic material grid sheets (66), described electric arc ripple back edge electronic arc-suppressor II is connected with the idiostatic current transformer of mains side (6), is connected with transformer (52) or capacitor (100), luminous tube (103), photosensitive tube (104) again; Described electric arc ripple back edge electronic arc-suppressor II comprises shielding box, inner form half-wave testing circuit behind the electric current by capacitor (110), potentiometer (111), diode (108), through inverted triode (107), start direction pair of opposite triode (58) or thyristor (60) again; Or with voltage oscillation amplification detection device (56), (105), timing circuit (106), monostable clocked flip-flop (57) starts direction pair of opposite triode (58) or thyristor (60), and described triode (58) or thyristor (60) also are connected in series the diode (59) of right quantity.

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