CN101847538A - Electronic electromagnetic intelligent switch - Google Patents
Electronic electromagnetic intelligent switch Download PDFInfo
- Publication number
- CN101847538A CN101847538A CN 201010171890 CN201010171890A CN101847538A CN 101847538 A CN101847538 A CN 101847538A CN 201010171890 CN201010171890 CN 201010171890 CN 201010171890 A CN201010171890 A CN 201010171890A CN 101847538 A CN101847538 A CN 101847538A
- Authority
- CN
- China
- Prior art keywords
- arc
- grid sheet
- intelligent switch
- insulation
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses an electronic electromagnetic intelligent switch, which comprises moving contacts, a static contact assembly and an arc extinguisher I; a moving contact (2) on the moving contact assembly is provided with an arc-striking rod (19); the arc extinguisher I comprises an arc-striking contact assembly (17) and an insulating arc-tight grid sheet assembly fixed on the arc-striking contact assembly, and the insulating arc-tight grid sheet assembly comprises a group of insulating arc-tight grid sheets, the upper parts of which are provided with ion absorption grid sheets (69) and thin insulating arc-tight grid sheets (25); a soft magnetic core (46) passes through a coil (44), and the outer parts of the soft magnetic core are extended to soft magnetism areas at both sides of the lower part of the insulating arc-tight grid sheet assembly; and the rear part of the arc extinguisher I is provided with a zero-passing arc extinguisher (28). In addition, the intelligent switch also can be arranged into a double-break switch, the arc extinguish is mounted in one break, and a sulfur hexafluoride arc extinguish chamber is mounted in the other break. The structure of the electronic electromagnetic intelligent switch is more optimized and reasonable, the arc-extinguishing performance is higher during the zero passage of arc, the reliability is higher, and the electronic electromagnetic intelligent switch is applicable to higher voltage more than 35kv.
Description
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 200920033154.5 utility model application, though this kind intelligent switch can reach certain Based Intelligent Control effect, but in the structure of this kind intelligent switch, still there are the following problems: the one, and the striking contact is arranged on the top and the front portion of coil, the 2nd, in arc-control device inside, the inboard of iron core is provided with arc-extinguish chamber and are-tight grid sheet, and the weak point of this kind structure is the structure more complicated and causes arc quenching effect also not really desirable because the magnetic force of coil fails to make full use of; The 3rd, because the iron core situs ambiguus, arc quenching effect is relatively poor when causing electric arc to be in during the zero passage in this kind structure.Simultaneously, this kind structure also only can be used for the high voltage of 10Kv～35Kv, and is then inapplicable for the more high voltage more than the 35Kv.
Summary of the invention
In order to overcome the deficiency that exists in the above-mentioned technology, the invention provides that a kind of structure is optimized rationally more, arc extinction performance is stronger during the electric arc zero passage, reliability is higher and can be used for more high-tension electronic electromagnetic intelligent switch more than the 35Kv.
The objective of the invention is to realize by following proposal: a kind of electronic electromagnetic intelligent switch, comprise moving contact, fixed contact assembly and arc extinguisher I, the top of the fixed contact 2 on the described fixed contact assembly is fixed with arc ignition bar 19 by coil 44 1 sides; Described arc extinguisher I comprises striking contact assembly 17 and the are-tight grid chip module of insulation that is arranged on described quiet angle head 2 tops, described striking contact assembly 17 is made up of bar shaped striking contact 3 and ceramic grid sheet 18, and described bar shaped striking contact 3 and ceramic grid sheet 18 are spaced and by being with curved bolt 22 and straight bolt 23 to be fixed together; Connect lead 45 on each contact of described striking contact 3, each connects lead 45 and connects the coil that some numbers of turn do not wait, and described coil is interconnected into a whole coil 44, and soft magnet core 46 is set in the coil 44; Described insulation is are-tight, and the grid chip module comprises one group of are-tight grid sheet 68 that insulate, and the top of described insulation is are-tight grid sheet 68 is provided with ionic absorption grid sheet 69 and the are-tight grid sheet 25 of thin insulating, and the are-tight grid chip module that insulate is fixedly mounted on the top and the front portion of striking contact assembly 17; Described soft magnet core 46 passes coil 44, and its outside extends to the soft magnetism zone of the both sides, bottom of the are-tight grid chip module of insulation, and is connected with the square magnetic core 21 that is arranged on the are-tight grid sheet of insulation 68 tops, and fastening with dormant bolt 27.
In such scheme, the centre of described ceramic grid sheet 18 is a triangle, and both sides are rectangle.
In such scheme, the lower surface of described insulation is are-tight grid sheet 68 is provided with the protrusion slanted bar 24 that the center is two kinds of shapes of concave, convex, the protrusion slanted bar 24 of described two kinds of shapes is spaced, protrusion slanted bar 24 and its front at described insulation is are-tight grid sheet 68 back sides layout that misplaces mutually.
In such scheme, the protrusion slanted bar 24 on described insulation the is are-tight grid sheet 68 from last to under be shaped as from high to low.
In such scheme, when the electric arc zero passage, for reaching better arc quenching effect, the rear portion of described arc extinguisher I is provided with zero passage arc-control device 28, described zero passage arc-control device 28 is to be combined alternately by diamagnetic sheet metal that has the oblique angle and rectangular diamagnetic sheet metal, and adjacent two rightabout settings that have the diamagnetic sheet metal at oblique angle by the oblique angle.
In such scheme, being connected with protective tube 70 of described zero passage arc-control device 28 below by connecting line.
In such scheme,, connect an electric arc postwave electronic arc-suppressor II or airtight arc control device IV on the described ionic absorption grid sheet 69 as standby.
In addition, during more high voltage more than being used for 35Kv, this kind intelligent switch is arranged to double break mouth switch, a fracture is installed arc extinguisher I, a fracture is installed sulphur hexafluoride arc control device 115, in the middle of these two fractures insulation column 117 is set, the inside of described insulation column 117 is provided with rotation axis 121 and is connected to operating mechanism; Described insulation column 117 tops are provided with movable contact rod 118, one end of described movable contact rod 118 is moving contact 4 and insulation connecting plate 122 fixedly, and by the insulation connecting plate 122 be connected with moving contact 4, the other end is connected with the moving contact 123 that can slide in the sliding tray on the movable contact rod 118 124 by soft line 120; Sulphur hexafluoride arc control device 115 inside are provided with guide ring 127 and lobe shape contact 119, outer setting retainer plate 126.
Compared with prior art, electronic electromagnetic intelligent switch of the present invention has following beneficial effect:
1, striking contact 3 has increased bottom grid sheet and contact, has increased coil turn, makes and has adopted composite type, has made things convenient for processing, has improved the arc extinguishing ability;
2, iron core increases employing square magnetic property iron core, has made zero passage electromagnetic blow-device, has guaranteed electromagnetism zero passage arc extinguishing ability;
3, designed the production program of double break mouth switch, made arc control device can be applicable to the above more high-voltage switch of 35Kv.
Description of drawings
Fig. 1 is the mounting structure schematic diagram of electronic electromagnetic 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 striking contact assembly 17 structural representations;
Fig. 5 is that A among Fig. 4 is to view;
Fig. 6 is the structural representation of fixed contact assembly;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the structural representation of the are-tight grid sheet 68 of insulation;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the vertical view of Fig. 8;
Figure 11 is a double break mouth high-voltage switch gear structural representation;
Figure 12 is the vertical view of Figure 11;
Figure 13 is that B among Figure 12 is to view;
Figure 14 is an electronic intelligence testing circuit winding diagram.
Among the figure: I is an arc-control device, and II is an electric arc postwave electronic arc-suppressor, and IV is airtight arc control device, 2 is fixed contact, and 3 are the striking contact, and 4 is moving contact, 5 are the mains side lead-in wire, and 6 is idiostatic current transformer, and 7 is connecting lever, 8 is steel disc, and 9 is flexible conductor, and 11 is fixed head, 12 is iron core, and 13 is fixed support, and 15 is soft lead-in wire, 17 are the striking contact assembly, and 18 is arc-chute, and 19 is arc ignition bar, 21 is the square magnetic core, and 22 are the curved insulated bolt of band, and 23 is straight insulated bolt, 24 for protruding slanted bar, and 25 is the are-tight grid of thin insulating, and 26 is iron core arc resistance insulation cover, 27 is screw rod, 28 is the zero passage arc-control device, and 29 is top cover, and 30 for leading arcing contact, 44 is coil, 45 for connecting lead, and 46 is soft magnet core, and 68 are the are-tight grid sheet of insulation, 69 is ionic absorption grid sheets, 70 is protective tube, and 100 is luminous tube, and 101 is optical fiber, 102 is photosensitive tube, 104 is potentiometer, and 105 is capacitor, and 106 is monostable clocked flip-flop, 108 is triode, 109 is resistance, and 110 is triode, and 111 is contacting controling circuit, 115 is the sulphur hexafluoride arc control device, 116 is supporting insulator, and 117 is insulation column, and 118 is conducting rod, 119 lobe shape contacts, 120 is soft line, and 121 is rotation axis, and 122 are the insulation connecting plate, 123 is moving contact, 124 is sliding tray, and 126 is retainer plate, and 127 is guide ring.
Embodiment
Below in conjunction with drawings and Examples electronic electromagnetic intelligent switch of the present invention is described in detail:
Fig. 1 is the mounting structure schematic diagram of electronic electromagnetic 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 postwave electronic arc-suppressor II are housed, this electric arc postwave electronic arc-suppressor II and application number are that disclosed electric arc ripple back edge electronic arc-suppressor II is a same structure in 200920033154.5 the patent application.
By Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the top of arc extinguisher I is provided with top cover 29, inner fixed contact 2 is connected with striking contact 3 on the striking contact assembly 17 by connecting line 45, striking contact assembly 17 is a triangle by the centre, both sides are that two kinds of basic configurations of rectangle and the ceramic grid sheet 18 that has two through holes and the both sides bar shaped striking contact 3 that has through hole are formed, other are in order to adapt to the installation site needs, slightly different as its shape of turning, be fixed into top and anterior striking contact assembly with the curved bolt 22 of band again, anterior last the striking contact of assembly is longer, have two holes, four through hole outsides and be connected, connect into a striking group assembly 17 of an integral body at last with straight insulated bolt 23 and longer contact 3 of bottom and grid sheet 18.Handling ease has particularly overcome the problem that big assembly can't be processed in the prior art like this, and the rate of finished products height.
If connect lead 45 on the striking contact 3, be connected with on it the coil that the fruit number of turn does not wait, all coils connect into a whole coil 44 again, and arc extinguishing grid pieces 18 and striking contact 3 are arranged in above the coil outside, below the front reaches alternately.Be the full big advantage of magnetic flow of performance soft magnet core, iron core 46 adopts soft magnet core.Soft magnet core 46 passes coil 44, its outside extends to the soft magnetism zone of the both sides, bottom of the are-tight grid chip module of insulation, this zone is in order to guarantee that electric arc is not subjected to the influence of square magnetic core 21 remanent magnetism, so that arc energy reliably enters the soft magnetism zone of arc control device, this soft magnetism zone is exactly the zone that can produce at any time with the synchronous substantially magnetic force of electric current, insulate are-tight grid sheet 68 tops and ionic absorption grid sheet 69 both sides are provided with square magnetic core zone again, two zones respectively account for area what can according to the characteristic of used ferromagnetic material and and arc control device current limiting capacity and zero passage arc quenching characteristic suitably regulated, the square magnetic core also can dispose the iron core of different performance as required at diverse location.The size of square magnetic area and variation of magnetic force will guarantee that the magnetic force when little electric current can be removed square magnetic core 21 remanent magnetism, make the smooth arc extinguishing of arc current this moment.Soft magnet core 46 is connected the modes that adopt butt joint and soft magnet core 46 to be overlapped on outside the square magnetic core 21 with square magnetic core 21 junctions also fastening with countersunk head screw 27, around coil magnetic force just reaches by soft magnet core 46 like this and the square magnetic area, square magnetic core 21 is carried out degaussing and magnetize through butt joint and lap-joint again.Ionic absorption grid sheet 69 is equipped with accelerating insulation recovery in are-tight grid sheet 68 tops of insulating, or the are-tight grid 25 of thin insulating are to add the long arc route.After electric arc enters the square magnetic area, if current magnetic force is identical with last time magnetic force direction, then current magnetic force and magnetic force addition last time continue to promote before the electric arc and then arc extinguishing, if this time magnetic force is with last time opposite, then this time magnetic force is just constantly removed the last time remanent magnetism of square magnetic core 21, and make square magnetic core 21 be replaced by the magnetic force identical with this magnetic force direction, then under the acting in conjunction of soft magnetism and square magnetic core magnetic force, electric arc is constantly pushed grid sheet upper end to, and be fixed up, when descending, arc current remains unchanged substantially owing to square magnetic core magnetic force remanent magnetism, so arc ions is still produced bigger collision, power such as extruding form big resistance to arc motion, form zero so that electric arc shifts to an earlier date stop motion, voltage height that electric arc is pressed down and coil ampere-turn and core area are magnetic field intensity, with arc path length, both products of shape are relevant, and it's the zero-sum medium recovery time is past the electric arc that so just extended, thereby reach arc extinguishing.
The rear portion of arc extinguisher I is provided with electric arc zero passage arc-control device 28, this electric arc zero passage arc-control device 28 is to be combined alternately by diamagnetic sheet metal that has the oblique angle and rectangular diamagnetic sheet metal, and adjacent two rightabout settings that have the diamagnetic sheet metal at oblique angle by the oblique angle.This device be rely on magnetic force by guidance contacts 30 with electric arc under be pushed into top, and push grid sheet rightabout end to arc extinguishing.In being connected with protective tube 70 of zero passage arc-control device 28 below by connecting line.
Fig. 6 is the structural representation of fixed contact assembly, 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, iron core 12 is housed in the connecting lever 7, the top is stretched in iron core 12 both sides, increases magnetic force during little electric current, and core sataration makes thrust unlikely excessive during big electric current, fixed support 13 is equipped with in iron core 12 bottoms, can bear big electric power when the major break down electric current is arranged.After switch closes a floodgate; keep a narrow slot between connecting lever 7 and moving contact 4 conducting rods; 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 without the electric loop of relaying protection and switching mechanism; accelerate tripping operation speed, realized 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 more narrow slit, the degaussing in order to avoid produce eddy current, and the also available steel wire of steel disc 8 adds the insulation combination and replaces.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 fixed contact 2 is connected with coil 44 by connecting lead 45.When being used for the less situation of fault current, fixed contact 2 copper sheet back also can be provided with iron core.Fixed contact 2 upper ends are fixed with arc ignition bar 19, electric arc is pushed into arc ignition bar 19 terminal also accesses than multiple contact and coil rapidly under magneticaction when the switch disconnection has electric current, then under the coil magneticaction, electric arc is pushed coil upper end and front end more rapidly to, and constantly insert more multi-thread circle and strengthen magnetic force through each striking contact, simultaneously electric arc is pushed in arc control device 1 top and the anterior grid sheet.
By Fig. 8, Fig. 9 and Figure 10, it is that the protrusion slanted bar 24 of 24, two kinds of shapes of protrusion slanted bar of two kinds of shapes of concave, convex is spaced that the lower surface of the are-tight grid sheet 68 that insulate is provided with the center, protrusion slanted bar 24 and its front at are-tight grid sheet 68 back sides of the insulating layout that misplaces mutually.So that arc column disperseed the path complications when electric arc was pushed by magnetic force, increase resistance, the are-tight grid 25 of several thin insulatings are equipped with to add long arc route or ionic absorption grid sheet 69 to accelerate the removing of arc ions in top; In addition, the protrusion slanted bar 24 on the are-tight grid sheet 68 that insulate from last to under shape can also be set to from high to low, the insulation of this kind shape is are-tight can only install ionic absorption grid sheet 69 between the grid sheet 68.Electric arc postwave electronic arc-suppressor II and airtight arc control device IV are housed between several ionic absorption grid sheets 69.
Figure 11, Figure 12 and Figure 13 are used for more than the 35Kv the more mounting structure schematic diagram of high-voltage switch, when being used for more high voltage double break mouth switch, a fracture is installed arc extinguisher I, a fracture is installed sulphur hexafluoride arc control device 115 or vacuum interrupter, in the middle of these two fractures insulation column 117 is set, the inside of insulation column 117 is provided with rotation axis 121 and is connected to operating mechanism with the console switch folding; Insulation column 117 tops are provided with movable contact rod 118, one end of movable contact rod 118 is moving contact 4 and insulation connecting plate 122 fixedly, and by the insulation connecting plate 122 be connected with moving contact 4, the other end is connected with the moving contact 123 that can slide in the sliding tray on the movable contact rod 118 124 by soft line 120; Sulphur hexafluoride arc control device 115 inside are provided with guide ring 127 and lobe shape contact 119, and the purpose that guide ring 127 is set is to make moving contact 123 can successfully enter in the lobe shape contact 119.Outer setting retainer plate 126.
Arc extinguisher I and sulphur hexafluoride arc control device 115 usefulness double insulators 116 are supported fixing, sequence of movement is, switch closes, the contact of arc extinguisher I closes first branch after being during tripping operation, the contact of sulphur hexafluoride arc control device 115 is to close afterwards earlier to divide, when switch closes a floodgate like this such as circuit when fault is arranged, there is not electric arc to produce during sulphur hexafluoride arc control device 115 contact closure, when the arc extinguisher I contact closure, arrive just discharge generation electric arc of certain distance, producing very between contact, high thrust can not be closed a floodgate switch, electronic intelligence detects judgment means and moves simultaneously mechanism is returned when for high-voltage switch more, and carry out the arc extinguishing process simultaneously, then sulphur hexafluoride arc control device 115 side contacts disconnect, at this moment electric arc is because of being arrived arc reduction less by arc extinguisher I, sulphur hexafluoride arc control device 115 just disconnect zero passage electric arc, alleviated the contact burden of sulphur hexafluoride arc control device 115, brought into play the strong and strong advantage separately of the fast zero passage arc extinguishing of sulphur hexafluoride medium recovery ability of electromagnetism limit arc ability, so at this moment sulphur hexafluoride arc control device 115 contacts can adopt lobe type contact 119.Still there is fault as switch circuit when the reclosing; situation was identical when then process was with combined floodgate; accelerate the tripping operation process like this and avoided impact to system; pass through the course of action of protection switch mechanism after also having avoided closing again as present switch; prolonged the time; increase the probability of protection mechanism tripping, when circuit did not have fault, then switch closed a floodgate smoothly.Perhaps two arc control device are all used the electromagnetic blow-chamber, limit the arc better effects if like this, and Installation and Debugging are simpler.
Figure 14 is an electronic intelligence checkout gear circuit diagram, when circuit breaks down electric current when big, 6 sending and receiving light pipes 100 of idiostatic current transformer just have big light signal output, light signal is delivered to photosensitive tube 102 photosensitive tube conductings and passes through potentiometer 104 by optical fiber 101, capacitor 105 is in order to prevent to disturb usefulness, after reaching set point, promptly triggers by potentiometer monostable clocked flip-flop 106, triode 108 makes triode 108 collector potential step-downs by resistance 109 immediately, triode 110 ends, make contacting controling circuit 111 outages, the shutdown switch feed motion avoids switch to be combined on the faulty line immediately, causes bigger loss.
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, under the effect of magnetic force, pass through arc ignition bar 19 then, electric arc is pushed the striking contact 3 of striking contact assembly 17 ends rapidly to, enter simultaneously in the are-tight grid sheet 68 of insulation, electric arc is in the collision of arc-chute, extruding, under the elongation effect, reduce significantly rapidly, when descending, arc current still has very strong magnetic force owing to square magnetic core 21, same extruding at magnetic force, make arc reduction under the collision, and electric arc enters removing in the zero passage arc-control device 28 by ionic absorption grid sheet 69 and by leading arc bar 30 under square magnetic core 21 magneticactions, so that become zero in advance, zero passage and medium recovery time have been prolonged, as not extinguishing, electric arc enters in the ionic absorption grid sheet 69 more then, because of being connected with electric arc postwave electronic arc-suppressor II or airtight arc control device IV on the grid sheet, because it is opposite paired that the triode 58 of electric arc postwave electronic arc-suppressor II or thyristor 60 wiring are directions, so no matter the sense of current how, capital short circuit grid sheet, perhaps enter airtight arc control device IV and make grid sheet short circuit in the cross-over connection, arc extinction.When arc control device have fault can not arc extinguishing the time, electric arc enters in the automatically replaceable protective tube 70 of back and arc extinguishing again.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 (8)
1. an electronic electromagnetic intelligent switch comprises moving contact, fixed contact assembly and arc extinguisher I, it is characterized in that: the top of the fixed contact (2) on the described fixed contact assembly is fixed with arc ignition bar (19) by coil (44) one sides; Described arc extinguisher I comprises striking contact assembly (17) and the are-tight grid chip module of insulation that is arranged on described quiet angle head (2) top, described striking contact assembly (17) is made up of bar shaped striking contact (3) and ceramic grid sheet (18), and described bar shaped striking contact (3) and ceramic grid sheet (18) are spaced and are fixed together by curved bolt (22) of band and straight bolt (23); Connect lead (45) on each contact of described striking contact (3), each connects lead (45) and connects the coil that some numbers of turn do not wait, and described coil is interconnected into a whole coil (44), and soft magnet core (46) is set in the coil (44); Described insulation is are-tight, and the grid chip module comprises one group of are-tight grid sheet (68) that insulate, the top of described insulation is are-tight grid sheet (68) is provided with ionic absorption grid sheet (69) and the are-tight grid sheet of thin insulating (25), and the are-tight grid chip module that insulate is fixedly mounted on the top and the front portion of striking contact assembly (17); Described soft magnet core (46) passes coil (44), and its outside extends to the soft magnetism zone of the both sides, bottom of the are-tight grid chip module of insulation, and is connected with the square magnetic core (21) that is arranged on insulation are-tight grid sheet (68) top, and fastening with dormant bolt (27).
2. a kind of electronic electromagnetic intelligent switch according to claim 1 is characterized in that: the centre of described ceramic grid sheet (18) is a triangle, and both sides are rectangle.
3. a kind of electronic electromagnetic intelligent switch according to claim 1, it is characterized in that: the lower surface of described insulation is are-tight grid sheet (68) is provided with the protrusion slanted bar (24) that the center is two kinds of shapes of concave, convex, the protrusion slanted bar (24) of described two kinds of shapes is spaced, the protrusion slanted bar (24) at described insulation is are-tight grid sheet (68) back side and its front layout that misplaces mutually.
4. a kind of electronic electromagnetic intelligent switch according to claim 3 is characterized in that: the protrusion slanted bar (24) on described insulation the is are-tight grid sheet (68) from last to under be shaped as from high to low.
5. a kind of electronic electromagnetic intelligent switch according to claim 1, it is characterized in that: the rear portion of described arc extinguisher I is provided with zero passage arc-control device (28), described zero passage arc-control device (28) is to be combined alternately by diamagnetic sheet metal that has the oblique angle and rectangular diamagnetic sheet metal, and adjacent two rightabout settings that have the diamagnetic sheet metal at oblique angle by the oblique angle.
6. a kind of electronic electromagnetic intelligent switch according to claim 5 is characterized in that: being connected with protective tube (70) below by connecting line of described zero passage arc-control device (28).
7. a kind of electronic electromagnetic intelligent switch according to claim 1 is characterized in that: described ionic absorption grid sheet (69) is gone up and is connected an electric arc postwave electronic arc-suppressor II or airtight arc control device IV.
8. a kind of electronic electromagnetic intelligent switch according to claim 1, it is characterized in that: this kind intelligent switch is arranged to double break mouth switch, a fracture is installed arc extinguisher I, a fracture is installed sulphur hexafluoride arc control device (115), in the middle of these two fractures insulation column (117) is set, the inside of described insulation column (117) is provided with rotation axis (121) and is connected to operating mechanism; Described insulation column (117) top is provided with movable contact rod (118), one end of described movable contact rod (118) is moving contact (4) and insulation connecting plate (122) fixedly, and by the insulation connecting plate (122) be connected with moving contact (4), the other end is connected with the moving contact (123) that can slide in the sliding tray (124) on the movable contact rod (118) by soft line (120); Sulphur hexafluoride arc control device (115) inside is provided with guide ring (127) and lobe shape contact (119), outer setting retainer plate (126).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010171890 CN101847538B (en) | 2010-05-10 | 2010-05-10 | Electronic electromagnetic intelligent switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010171890 CN101847538B (en) | 2010-05-10 | 2010-05-10 | Electronic electromagnetic intelligent switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101847538A true CN101847538A (en) | 2010-09-29 |
| CN101847538B CN101847538B (en) | 2012-12-19 |
Family
ID=42772109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010171890 Expired - Fee Related CN101847538B (en) | 2010-05-10 | 2010-05-10 | Electronic electromagnetic intelligent switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101847538B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513860A (en) * | 2016-01-18 | 2016-04-20 | 刘天保 | Electronic and electromagnetic intelligent switch for high-voltage power systems |
| CN110391117A (en) * | 2018-04-19 | 2019-10-29 | Abb股份公司 | Low-voltage circuit breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3028900A1 (en) * | 1980-07-30 | 1982-02-25 | Brown, Boveri & Cie Ag, 6800 Mannheim | Conductor rail mounted overload cut=out switch - has magnet with thermomagnetic and heat conductive discs for quicker release at higher temp. |
| CN101556876A (en) * | 2009-05-15 | 2009-10-14 | 刘天保 | Electronic electromagnetic intelligent switch |
| CN201717174U (en) * | 2010-05-10 | 2011-01-19 | 刘天保 | Electronic and electromagnetic type intelligent switch |
-
2010
- 2010-05-10 CN CN 201010171890 patent/CN101847538B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3028900A1 (en) * | 1980-07-30 | 1982-02-25 | Brown, Boveri & Cie Ag, 6800 Mannheim | Conductor rail mounted overload cut=out switch - has magnet with thermomagnetic and heat conductive discs for quicker release at higher temp. |
| CN101556876A (en) * | 2009-05-15 | 2009-10-14 | 刘天保 | Electronic electromagnetic intelligent switch |
| CN201717174U (en) * | 2010-05-10 | 2011-01-19 | 刘天保 | Electronic and electromagnetic type intelligent switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513860A (en) * | 2016-01-18 | 2016-04-20 | 刘天保 | Electronic and electromagnetic intelligent switch for high-voltage power systems |
| CN110391117A (en) * | 2018-04-19 | 2019-10-29 | Abb股份公司 | Low-voltage circuit breaker |
| CN110391117B (en) * | 2018-04-19 | 2023-06-20 | Abb股份公司 | Low-voltage circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101847538B (en) | 2012-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102254734B (en) | High-voltage single-fracture vacuum arc extinguishing chamber | |
| CN108133862B (en) | Interlocking vacuum switch and series compensation type current limiting device and method applied by same | |
| CN105280431A (en) | Grounding switch capable of extinguishing arc quickly through electromagnetic reluctance tension | |
| CN201717174U (en) | Electronic and electromagnetic type intelligent switch | |
| CN102592906A (en) | Medium-pressure and high-capacity DC circuit breaker contact terminal system for improving short time endurance capability | |
| CN207199555U (en) | A kind of breaker | |
| CN102339691B (en) | Combined magnetic-quenching device | |
| CN111640612A (en) | Quick repulsion operating mechanism maintained by spring group | |
| CN101847538B (en) | Electronic electromagnetic intelligent switch | |
| CN201773805U (en) | Combined magnetic-quenching arc-extinguishing device | |
| CN103000465B (en) | Contact system of novel high-capacity medium-voltage direct current breaker | |
| CN110379670B (en) | High-current-capacity vacuum arc extinguish chamber with fixed fracture | |
| CN102543552A (en) | Electronic electromagnetic type intelligent switch for high-voltage power system | |
| CN107275163A (en) | Breaker and distribution system | |
| CN208873691U (en) | A kind of structure of contact terminal | |
| CN206947279U (en) | Breaker and distribution system | |
| CN202948892U (en) | Electronic-electromagnetic type intelligent switch used for high-voltage electric power system | |
| CN212517099U (en) | Arc extinguishing chamber of circuit breaker | |
| CN112133605A (en) | Contactor arc extinguishing system | |
| CN201536080U (en) | Electronic electromagnetic type intelligent switch | |
| CN109616390B (en) | Multi-pole switch | |
| CN100435253C (en) | A high-speed double-break magnetic blowing middle-pressure great electric current direct current current-limiting circuit breaker | |
| CN202523622U (en) | Electronic magnetic intelligent switch | |
| CN101556876A (en) | Electronic electromagnetic intelligent switch | |
| CN112490063A (en) | Direct-acting type rapid direct-current circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20140510 |