New type permanent magnetic mechanism switch
Technical field
The present invention relates to electricity consumption distribution field, be specifically related to a kind of New type permanent magnetic mechanism switch.
Background technology
Use at present the capacitance switch on capacitance-adjustable transformer generally housing, switch fuse, gas shield device, to consist of, the switch fuse is cut to close by transmission mechanism, quick switching mechanism and choosing and forms.Fixed contact is arranged on the circumference of switch fuse bar frame, and moving contact is fixed on the main shaft supporter.While needing capacity transfer, motor drives the main shaft rotation, and moving contact contacts and realizes transformer high-voltage winding " Y-Δ " conversion and low pressure winding " connection in series-parallel " conversion with corresponding fixed contact, thereby realizes the capacity transfer purpose.
But because electric machine rotation is slower, changing the appearance time generally all needs the hundreds of millisecond, just slow owing to changing the volume flow rate degree,, for avoiding the asynchronous voltage jump that causes of high-voltage coil and low-voltage coil conversion, must connect with transition resistance R main paying between moving contact, and this resistance is easy to burn out.Also just slow because changing the volume flow rate degree, to change while holding and easily produce electric arc, the long-term use caused poor contact of contacts, and cold oil impurity increases, and insulation descends; For avoiding this situation, also corresponding protective device need be arranged, so that the capacitance-adjustable transformer volume is larger, cost is higher.
Summary of the invention
For the demand, the technical problem of solution of the present invention is that reliable in action, the fast also energy-conservation novel permanent magnetic mechanism capacitance switch of speed are provided.New type permanent magnetic mechanism switch of the present invention of many uses, both Adjustable Capacity, also switched capacitors, switchable circuitry also.Both can use separately, but also one-tenth capable of being combined is organized the switch use more.
The technical scheme of New type permanent magnetic mechanism switch of the present invention is as follows.
New type permanent magnetic mechanism switch of the present invention comprises permanent-magnet electromagnetic operating means, plate-like switch, mechanism's plate and travel control switch, described permanent-magnet electromagnetic operating means is arranged on the top of described mechanism plate, described plate-like switch is arranged on described mechanism plate below, described plate-like switch is connected by transmission mechanism with the two ends of permanent-magnet electromagnetic operating means, and a wherein end of described permanent-magnet electromagnetic operating means is connected with travel control switch.
Wherein, described permanent-magnet electromagnetic operating means comprises fixing back-up ring and is positioned at the closing coil of described fixedly back-up ring, switching winding, static iron core, moving iron core and permanent magnet, described moving iron core is positioned at the middle part of described fixedly back-up ring, the two ends of described moving iron core are wound with respectively closing coil and switching winding, the end, two ends of described moving iron core is connected with respectively drive link, described static iron core is around moving iron core symmetric arrays, and described permanent magnet is positioned at the centre of the described switching winding of described moving core exterior surface and described closing coil.
wherein, described plate-like switch is three plate-like switches that are arranged in parallel, described transmission mechanism comprises three driving heads, three transmission connecting plates and two driving members and a connector, the axis of described three plate-like switches is connected with three driving heads respectively, described three driving heads are connected respectively with an end of three transmission connecting plates, the other end of described three transmission connecting plates is connected with described mechanism plate respectively, described permanent-magnet electromagnetic operating means is positioned at the wherein centre of two plate-like switches, mechanism's plate top, the drive link of the moving end, iron core two ends of described permanent-magnet electromagnetic operating means is connected with two driving members respectively, described two driving members are connected with the middle part of two adjacent transmission connecting plates wherein respectively, the middle part of described another transmission connecting plate is connected with an end of connector, the other end of described connector is connected with the transmission connecting plate in the middle of being positioned at.
Wherein, described mechanism's plate top and permanent-magnet electromagnetic operating means away from and relative two adjacent transmission connecting plates in the middle of also be provided with emergency operation mechanism.
Wherein, be provided with the emergency operation handle in described emergency operation mechanism.
Wherein, described travel control switch is connected with the drive link of the moving iron core one end end of permanent-magnet electromagnetic operating means.
Wherein, also comprise travel control switch mounting panel and travel control switch fixed head, described travel control switch fixed head is fixedly connected with the mechanism plate, and described travel control switch mounting panel is connected with the travel control switch fixed head, and described formation switch is arranged on the travel control switch mounting panel.
Beneficial effect of the present invention is as follows.
The present invention adopts the push-pull electromagnet structure that starting current is reduced greatly, has enlarged the range of application of New type permanent magnetic mechanism switch; Simplify accumulator, greatly reduced cost; Positive anti-magnetic acts on simultaneously, has greatly improved the reliability of action, has greatly shortened operate time; The on/off switch coil is only charged in switch on/off switch moment, remains on the on/off switch position by permanent magnet at ordinary times, greatly reduces the loss of coil to electric energy.Simultaneously, the present invention is simple in structure, combined and instant, and applied range, can use separately, and also one-tenth capable of being combined is organized the switch use more, greatly facilitates user's type selecting, has saved cost.
Description of drawings
Fig. 1 represents front view of the present invention;
Fig. 2 represents vertical view of the present invention;
Fig. 3 represents permanent-magnet electromagnetic operating means profile of the present invention;
Wherein, 1 travel control switch; 2 electromagnet; 3 transmission mechanisms; 4 first dish type switches; 5 buffer springs; 6 drive links; 7 closing coils; 8 permanent magnets; 9 static iron cores; 10 moving iron cores; 11 switching windings; 12 connectors; 13 the 3rd transmission connecting plates; 14 the 3rd driving heads; 15 emergency operation handles; 16 second dish type switches; 17 the 3rd dish type switches; 18 emergency operation mechanisms; 19 first driving heads; 20 first transmission connecting plates; 21 first driving members; 22 second driving members; 23 second transmission connecting plates; 24 second driving heads; 25 travel switch mounting plates; 26 travel switch fixed plates; 27 mechanism's plates; 28 install dividing plate; 29 fixing back-up rings
Embodiment
Below in conjunction with accompanying drawing, New type permanent magnetic mechanism switch of the present invention is further described.
Shown in accompanying drawing 1-2, comprise permanent-magnet electromagnetic operating means, plate-like switch, mechanism's plate 27 and travel control switch 1 according to a kind of New type permanent magnetic mechanism switch of the present invention, mechanism's plate 27 is connected to be installed on dividing plate 28, described permanent-magnet electromagnetic operating means is arranged on the top of described mechanism plate 27, described plate-like switch is arranged on described mechanism plate 27 belows, described plate-like switch is connected by transmission mechanism 3 with an end of permanent-magnet electromagnetic operating means, and the other end of described permanent-magnet electromagnetic operating means is connected with travel control switch 1.
the concrete structure of permanent-magnet electromagnetic operating means of the present invention as shown in Figure 3, described permanent-magnet electromagnetic operating means comprises fixedly back-up ring 29, and the closing coil 7 that is positioned at described fixedly back-up ring 29, switching winding 11, static iron core 9, moving iron core 10 and permanent magnet 8, described moving iron core 10 is positioned at the middle part of described fixedly back-up ring 29, the two ends of described moving iron core 10 are wound with respectively closing coil 7 and switching winding 11, described static iron core 9 is around moving iron core 10 symmetric arrays, described permanent magnet 8 is positioned at the centre of the described moving iron core 10 described switching windings 7 of outer surface and described closing coil 11.The end, two ends of described moving iron core 10 is connected with respectively drive link 6, the on/off switch coil of electromagnet (7,11) draw respectively pair of DC+, the DC-line, so that on/off switch (7,11) power supply to be provided respectively, be connected together the DC-of the DC+ of closing coil 7 and switching winding 11 (closing coil 7 that is the permanent-magnet electromagnetic operating means is connected in series with switching winding 11).Its operation principle is, during work, pass into the forward dc electricity by all the other two lead-in wires DC+, DC-, on/off switch coil (7,11) is simultaneously charged, switching winding 11 sides produce the moving iron core of positive magnetic attraction to switching winding 11 side shiftings, closing coil 7 produces anti-magnetic and promotes moving iron core 10 to switching winding 11 side shiftings simultaneously, and this is the separating brake process; When separating brake is completed, coil blackout, moving iron core 10 remains on open position by permanent magnet 8.When by all the other two lead-in wires DC+, DC-, passing into reverse direct current, the on/off switch coil is simultaneously charged, switching winding 11 sides produce anti-magnetic and promote moving iron core to closing coil 7 side shiftings, and closing coil 7 produces the moving iron core 10 of positive magnetic attraction to closing coil 7 side shiftings simultaneously, and this is making process; When combined floodgate is completed, coil blackout, moving iron core 10 remains on closing position by permanent magnet 8.Be installed with buffer spring 5, at the two ends of drive link 6 and can improve the tripping force of electromagnet, when two available buffer on/off switch put in place to the impulsive force of contact, thereby by adjusting the movement of permanent-magnet electromagnetic operating means 2, the folding of control switch.
shown in Fig. 1 and 2, the plate-like switch is three the first plate-like switches 4 that are arranged in parallel, the second plate-like switch 16, the 3rd plate-like switch 17, described transmission mechanism comprises i.e. the first driving head 19 of three driving heads, the second driving head 24, the 3rd driving head 14, three transmission connecting plates, i.e. the first transmission connecting plate 20, the second transmission connecting plate 23, the 3rd transmission connecting plate 13, and two driving members are the first driving member 21 and the second driving member 22 and a connector 12, described three plate-like switches (4, 16, 17) axis respectively with three driving heads (19, 24, 14) connect, described three driving heads (19, 24, 14) with three transmission connecting plates (20, 23, 13) a end connects respectively, described three transmission connecting plates (20, 23, 13) the other end is connected with described mechanism plate 27 respectively, described permanent-magnet electromagnetic operating means be positioned at mechanism's plate 27 tops wherein the first plate-like switch 4 and the centre of the second plate-like switch 16, the drive link 6 of moving iron core 10 ends, two ends of described permanent-magnet electromagnetic operating means is connected with two driving members (i.e. the first driving member 21 be connected driving member 22) respectively, the first driving member 21 is connected with the middle part of the first transmission connecting plate 20, the second driving member 22 is connected with the middle part of the second transmission connecting plate 23, the middle part of described the 3rd transmission connecting plate 13 is connected with an end of connector 12, the other end of described connector 12 is connected with the second transmission connecting plate 23.
Also be provided with emergency operation mechanism 18 in the middle of the second transmission connecting plate 23 on mechanism's plate 27 tops and the 3rd transmission connecting plate 13.Be provided with emergency operation handle 15 in described emergency operation mechanism 18.Travel control switch 1 is connected with the drive link 6 that is positioned at the moving iron core 10 1 end ends of permanent-magnet electromagnetic operating means.Be fixedly connected with described travel control switch fixed head 26 on mechanism's plate 27, travel control switch mounting panel 25 is connected with travel control switch fixed head 26, and described formation switch installs 1 on Stroke Control switch installation board 25.
while needing, emergency operation handle 15 is pulled in electromagnet separating brake/combined floodgate or startup, drive simultaneously driving member (the first driving member 21 and the second driving member 22 and a connector 12) action of three plate-like switches, driving member (the first driving member 21 and the second driving member 22 and a connector 12) promotes transmission connecting plate (20, 23, 13) rotate, transmission connecting plate (20, 23, 13) promote again driving head (19, 24, 14) rotate, driving head (19, 24, 14) drive plate-like switch (4, 16, 17) middle shaft rotation, realize plate-like switch (4, 16, 17) contact open and-shut mode conversion, the Transformer Winding or the circuit that are connected on contact can change because of the conversion of contact open and-shut mode, thereby realize capacity transfer, change-over circuit or switched capacitor.
The above is only the preferred embodiment of the present invention; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.