CN207587600U - A kind of high-capacity intelligent phase-change switch - Google Patents

Abstract

The utility model is related to low-voltage power supply facility fields, disclose a kind of load capacity bigger, integrated, intelligence degree higher, the high-capacity intelligent phase-change switch that is more suitable for fabricating and produce in batches.It includes the upper casing installed successively from front to back, bottom case, bottom plate, the upper casing outer surface is equipped with display control board, bottom case center is fixed with motor, the shaft connection electromagnetic relay of motor, angular transducer is equipped with above electromagnetic relay, master board is fixed in bottom case, power module, the periphery of electromagnetic relay is at least evenly distributed with one group of moving contact, moving contact side is equipped with separating brake detection circuit, locking slide plate is equipped with below moving contact, tripping assembly is equipped on the inside of locking slide plate, moving contact passes through dynamic head to support, dynamic head support is fixed on bottom case, dynamic head support outside is equipped with static contact corresponding with moving contact.

Description

A kind of high-capacity intelligent phase-change switch

Technical field

The utility model is related to low-voltage power supply facility field, specifically, being about a kind of high-capacity intelligent phase-change switch.

Background technology

In low voltage electric network, three-phase imbalance refers to the three-phase current in electric system（Or voltage）Amplitude is inconsistent, and Difference in magnitude is more than prescribed limit.Three-phase imbalance can cause the electric energy loss of circuit, distribution transformer to increase, and distribution transforming output subtracts Less, distribution transforming generates zero-sequence current, and motor efficiency reduces, and influences the safe operation of electrical equipment.Therefore, in real power supply process In, single-phase and two phase loads are evenly distributed on three-phase by power department as possible, to keep three-phase equilibrium；And it is opened using commutation Pass is one of most common means.

China Patent Publication No. CN106409623A, publication date on February 15th, 2017, utility model create entitled one Kind high-capacity intelligent phase-change switch, this application discloses a kind of high-capacity intelligent phase-change switches, it includes pedestal and four are led Bar, wherein three are phase guide rod, another is zero curve guide rod, has movable contact on guide rod, guide rod can do axial-movement, have on pedestal Stationary contact, is equipped with latch system and fail-safe system on the pedestal below guide rod, and latch system includes phase line locking slide plate and zero Line locking slide plate, three perpendicular sides towards zero curve of phase line locking slide plate are equipped with phase line guiding surface and phase line locking card Mouthful；Zero curve locking slide plate is equipped with zero curve guiding surface and zero curve locking bayonet；Fail-safe system, which includes two pieces, the anti-of mistake proofing inclined-plane Wrong slide plate.Disadvantage is that overall load capacity is low, unit power is of high cost；Phase-change switch only has one group of firewire and zero Line exports, poor to the degree of regulation of tri-phase unbalance factor；Function without zero crossing arc extinguishing, arc light is big in commutation process；Not yet There is setting control display system, control is inconvenient for operation.

Invention content

The utility model overcomes deficiency of the prior art, provides a kind of load capacity bigger, integrated, intelligent Degree higher, the high-capacity intelligent phase-change switch that is more suitable for fabricating and produce in batches.

In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of large capacity intelligence Energy phase-change switch, including the upper casing, bottom case, bottom plate installed successively from front to back, the upper casing outer surface is equipped with display control board, Bottom case center is fixed with motor, the shaft connection electromagnetic relay of motor, and electromagnetic relay top is equipped with angular transducer, Master board, power module are fixed in bottom case, the periphery of electromagnetic relay is at least evenly distributed with one group of moving contact, moving contact Side is equipped with separating brake detection circuit, and locking slide plate is equipped with below moving contact, and moving contact passes through dynamic head to support, and dynamic head support is fixed on On bottom case, move head support outside and be equipped with static contact corresponding with moving contact；

One group of moving contact is divided into 3 moving contacts, respectively A phases moving contact, B phases moving contact, C phase moving contacts；It is one group corresponding In the static contact of each phase moving contact be respectively A phases static contact, B phases static contact, C phase static contacts；

Bottom case one end is equipped with input terminal, and the other end is equipped with outlet terminal；Input terminal include A phases input terminal, B phases into Line terminals, C phases input terminal, zero curve input terminal；A phases input terminal, B phases input terminal, C phases input terminal pass through conducting wire point It is not correspondingly connected with A phases moving contact, B phases moving contact, the C phase moving contacts in each group moving contact；Outlet terminal includes several firewires Outlet terminal, zero curve outlet terminal, zero curve outlet terminal are connect with zero curve input terminal conducting wire, the ABC phases in every group of static contact It is connect after static contact series connection with a firewire outlet terminal conducting wire；

A phases input terminal, B phases input terminal, C phases input terminal, zero curve input terminal are connect respectively with master board；

The display control board, power module, motor, electromagnetic relay, angular transducer, separating brake detection circuit respectively with Master board connects.

Varistor arc-suppression circuit is connected between the moving contact and static contact.

The moving contact includes guide rod, and guide rod is equipped with terminals of connecting wire, guide rod inner end lower section is equipped with latch, in the middle part of guide rod Equipped with cavity, dynamic head resetting spring is equipped in cavity；The dynamic head support is equipped with supported hole, and limiting shelves are equipped in supported hole Block；Guide rod passes through supported hole, and postioning abutment is embedded in cavity；Guide rod outer end is equipped with movable contact；The static contact is led including quiet head Bar, quiet head guide rod are equipped with stationary contact, and valve jacket is cased on quiet head guide rod, and quiet head buffer spring, quiet head buffering are cased with outside valve jacket Both ends of the spring is equipped with quiet head spring washer；The quiet head guide rod other end connects firewire connection terminal and is fixed in quiet head support, quiet Bottom case is fixed in head support；Firewire connection terminal is connect with firewire outlet terminal；The movable contact and stationary contact are positioned opposite.

The bottom case includes bottom case epicoele, bottom case cavity of resorption, partition board；Partition board upper surface is equipped with locking type groove, and locking slide plate is set In in locking type groove；Motor is fixed on baffle central position；Master board, power module, varistor arc-suppression circuit are set on bottom Intracavitary under shell；

The separating brake detection circuit includes magnet, Hall element；Magnet is fixed on the one side of moving contact；Hall element is consolidated It is scheduled in dynamic head support, and fixed position is corresponding with magnet positions.

The electromagnetic relay includes fixing bracket, the skeleton in fixing bracket, intraskeletal coil, the rank across coil The resetting spring being arranged on iron, armature；Angular transducer fixing axle, angular transducer fixing axle and axis are equipped with above fixing bracket It holds inner ring to be connected, bearing outer ring is connected with upper casing.

The firewire outlet terminal is integrated with divertor, which connect with master board.

Tripping assembly is equipped on the inside of the locking slide plate, the tripping assembly includes the jump positioned at locking slide plate inside upper part Lock slip ring, tripping slip ring upper surface are equipped with tripping inclined-plane, the uniformly distributed protrusion in tripping slip ring lower surface periphery, protrusion and locking slide plate pair It should contact, tripping slip ring inner ring is equipped with uniformly distributed needle roller, and tripping slip ring top is equipped with fixed cover board.

The locking slide plate is sector structure, and top is evenly distributed with A phases inclined-plane, B phases inclined-plane, C phases successively from right to left Inclined-plane；A phases inclined-plane, B phases inclined-plane, C phases inclined-plane are respectively arranged below with A phase lockings mouth, B phase lockings mouth, C phase locking mouths；A phases inclined-plane Guide support is correspondingly provided with B phases inclined-plane；Guide support is cased with slide plate resetting spring respectively.

The master board is PCB integrated circuit plates, and master board is fixedly installed on board support, fixed plate support It is fixedly installed in partition board lower surface.

Compared with prior art, the beneficial effects of the utility model are：The utility model, which exports original one group of firewire, to be increased Add as multigroup firewire output, load power higher；Multigroup firewire output so that voltage unbalance factor adjusting more becomes more meticulous；It takes Disappeared gusset piece, mistake proofing slide plate, and the dosage of electromagnet is reduced to one by four, makes its structure simpler rationally, manufacture adds Work step is suddenly less, and in addition the utility model integration degree and installation accuracy higher, mechanical performance are more preferable；Using display control board And master board, make the utility model that can realize that control can also be realized manually in terms of commutation and tripping and automatically control, control Precision higher, better reliability, intelligence degree higher；In addition, the utility model be not provided with tripping assembly in the case of, according to So electromagnetic relay can be controlled to carry out full-automatic tripping control by control system；The design of varistor arc-suppression circuit is To the supplement of zero crossing arc extinguishing design, increase the reliability of arc quenching effect；The utility model can control and adjust electromagnetism relay The actuation time of device so as to realize zero crossing arc extinguishing, increases product reliability and service life；The utility model passes through The system adjustment of electronics and mechanical structure, power distribution that can be between balanced three phase mains reach and improve power using effect Rate, the problem of improving three-phase alternating-current supply alternate unbalanced power；The utility model overall structure is simpler, reasonable, integrates Change, intelligence degree higher, be more suitable for fabricating and produce in batches.

Description of the drawings

Fig. 1 is a kind of axonometric drawing of high-capacity intelligent phase-change switch；

Fig. 2 is the front view of Fig. 1；

Fig. 3 is a kind of high-capacity intelligent phase-change switch back side axonometric drawing；

Fig. 4 is the front view of Fig. 3；

Fig. 5 is that Fig. 1 removes the axonometric drawing after upper casing；

Fig. 6 is the front view of Fig. 5；

Fig. 7 is the axonometric drawing that Fig. 5 removes dynamic head support and the support of quiet head；

Fig. 8 is the front view of Fig. 7；

Fig. 9 is the axonometric drawing of head support；

Figure 10 is the front view of Fig. 9；

Figure 11 is distribution map when head support is 4

Figure 12 is the vertical view of Figure 11；

Figure 13 is the axonometric drawing that Fig. 7 removes dynamic/static contact；

Figure 14 is the front view of figure Figure 13；

Figure 15 is the back side axonometric drawing that a kind of high-capacity intelligent phase-change switch removes bottom case；

Figure 16 is the front view of Figure 15；

Figure 17 is the axis surveys view that Figure 15 removes master board；

Figure 18 is the front view of Figure 17；

Figure 19 is the axonometric drawing that Figure 17 removes board support；

Figure 20 is the front view of Figure 19；

Figure 21 is the axonometric drawing of bottom case；

Figure 22 is bottom case back side axonometric drawing；

Figure 23 is the axonometric drawing of moving contact；

Figure 24 is the vertical view of Figure 23；

Figure 25 is the sectional view of A-A along Figure 24；

Figure 26 is the axis surveys view of static contact；

Figure 27 is the vertical view of Figure 26；

Figure 28 is the sectional view of B-B along Figure 27；

Figure 29 is the axonometric drawing of electromagnetic relay and motor；

Figure 30 is the front view of Figure 29；

Figure 31 is the vertical view of Figure 29；

Figure 32 is the sectional view of C-C along Figure 31；

Figure 33 is the front view of locking slide plate；

Figure 34 is more locking slide plate circumference uniform distributions；

Figure 35 is optical axis mapping on tripping assembly；

Figure 36 is that tripping assembly looks up axonometric drawing.

In figure, 1 upper casing, 2 bottom cases, 201 bottom case epicoeles, 202 bottom case cavity of resorptions, 203 partition boards, 2011 locking type grooves, 3 bottom plates, 4 Display control board, 5 motors, 6 electromagnetic relays, 601 fixing brackets, 602 skeletons, 603 coils, 604 armature, 605 resetting springs, 606 angular transducer fixing axles, 7 angular transducers, 8 master boards, 9 moving contacts, 901 A phases moving contacts, 902 B phases are dynamic tactile Head, 903 C phases moving contacts, 904 guide rods, 905 terminals of connecting wire, 906 latch, 907 dynamic resetting springs, 908 cavitys, 909 are moved Contact, 10 dynamic head supports, 1001 supported holes, 1002 postioning abutments, 11 locking slide plates, 1101 A phases inclined-planes, 1102 B phases inclined-planes, 1103 C phases inclined-planes, 1104 A phase lockings mouths, 1105 B phase lockings mouths, 1106 C phase lockings mouths, 1107 guide supports, 1108 are slided Piece resetting spring, 12 static contacts, 1201 A phases static contacts, 1202 B phases static contacts, 1203 C phases static contacts, 1204 quiet heads are led Bar, 1205 stationary contacts, 1206 valve jackets, 1207 quiet buffer springs, 1208 quiet spring washers, 1209 firewire connection terminals, 13 Input terminal, 1301 A phases input terminals, 1302 B phases input terminals, 1303 C phases input terminals, 1304 zero curve input terminals, 14 outlet terminals, 1401 firewire outlet terminals, 1402 zero curve outlet terminals, 15 tripping assemblies, 1501 tripping slip rings, 1511 trippings Cover board, 16 separating brake detection circuits, 1601 magnet, 1602 Hall elements, 17 pressures are fixed in inclined-plane, 1512 protrusions, 1513 needle rollers, 1514 Quick resistance arc-suppression circuit, 18 quiet head supports, 19 bearings, 20 power modules.

Specific embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：Such as Fig. 1 to Figure 32 institutes Show, a kind of high-capacity intelligent phase-change switch, including the upper casing 1, bottom case 2, bottom plate 3 installed successively from front to back, outside the upper casing 1 Surface is equipped with display control board 4, and 2 center of bottom case is fixed with motor 5, the shaft connection electromagnetic relay 6 of motor 5, electromagnetism The top of relay 6 is equipped with angular transducer 7, is fixed with master board 8, power module 20 in bottom case 2, electromagnetic relay 6 it is outer At least it is evenly distributed with one group of moving contact 9 week, 9 side of moving contact is equipped with separating brake detection circuit 16, and 9 lower section of moving contact is equipped with locking Slide plate 11, moving contact 9 pass through dynamic head support 10, and dynamic head support 10 is fixed on bottom case 2, is moved to be equipped on the outside of head support 10 and be touched with dynamic First 9 corresponding static contact 12；

One group of moving contact 9 divides for 3 moving contacts, respectively A phases moving contact 901, B phases moving contact 902, C phase moving contacts 903；The static contact 12 of each phase moving contact is respectively A phases static contact 1201, B phases static contact 1202, C phase static contacts in one group corresponding 1203；

2 one end of bottom case is equipped with input terminal 13, and the other end is equipped with outlet terminal 14；Input terminal 13 includes A phases end of incoming cables Son 1301, B phases input terminal 1302, C phases input terminal 1303, zero curve input terminal 1304；A phases input terminal 1301, B phases into Line terminals 1302, C phases input terminal 1303 by conducting wire respectively with A phases moving contact 901, the B phase moving contacts in each group moving contact 9 902nd, C phases moving contact 903 is correspondingly connected with；Outlet terminal 14 includes several firewire outlet terminals 1401, zero curve outlet terminal 1402, Zero curve outlet terminal 1402 is connect with 1304 conducting wire of zero curve input terminal, after the ABC phases static contact series connection in every group of static contact 12 It is connect with 1401 conducting wire of firewire outlet terminal；

A phases input terminal 1301, B phases input terminal 1302, C phases input terminal 1303, zero curve input terminal 1304 are distinguished It is connect with master board 8；

The display control board 4, power module 20, motor 5, electromagnetic relay 6, angular transducer 7, separating brake detection circuit 16 connect respectively with master board 8；

Varistor arc-suppression circuit 17 is connected between the moving contact 9 and static contact 12.

As shown in Figure 23 to 25, the moving contact 9 includes guide rod 904, and guide rod 904 is equipped with terminals of connecting wire 905, guide rod Latch 906 is equipped with below 904 inner ends, 904 middle part of guide rod is equipped with cavity 908, and dynamic head resetting spring 907 is equipped in cavity 908, 904 outer end of guide rod is equipped with movable contact 909；As shown in Fig. 9 to Figure 10, the dynamic head support 10 is equipped with supported hole 1001, support Postioning abutment 1002 is equipped in hole 1001；Guide rod 904 passes through supported hole 1001, and postioning abutment 1002 is embedded in cavity 908；Such as figure Shown in 16 to 28, the static contact 12 includes quiet head guide rod 1204, and quiet 1204 one end of head guide rod is equipped with stationary contact 1205, and quiet head is led Valve jacket 1206 is cased on bar 1204, is cased with quiet head buffer spring 1207 outside valve jacket 1206, quiet 1207 both ends of head buffer spring are equipped with Quiet head spring washer 1208；Quiet 1204 other end of head guide rod connection firewire connection terminal 1209 is simultaneously fixed in quiet head support 18, Bottom case 2 is fixed in quiet head support 18；Firewire connection terminal 1209 is connect with firewire outlet terminal 1401；The movable contact 909 with Stationary contact 1205 is positioned opposite.

As shown in Figure 21 to 22, the bottom case 2 includes bottom case epicoele 201, bottom case cavity of resorption 202, partition board 203；On partition board 203 Surface is equipped with locking type groove 2011, and locking slide plate 11 is set in locking type groove 2011；Motor 5 is fixed on 203 middle position of partition board； Master board 8, power module 20, varistor arc-suppression circuit 17 are set in bottom case cavity of resorption 202；

The separating brake detection circuit 16 includes magnet 1601, Hall element 1602；Magnet 1601 is fixed on the one of moving contact 9 Side；Hall element 1602 is fixed in dynamic head support 10, and fixed position is corresponding with 1601 position of magnet.

As shown in Figure 29 to Figure 32, the electromagnetic relay 6 includes the skeleton in fixing bracket 601, fixing bracket 601 602nd, intraskeletal coil 603, across the resetting spring 605 being arranged on the armature 604, armature 604 of coil 603；Fixing bracket 601 tops are equipped with angular transducer fixing axle 606, and angular transducer fixing axle 606 is connected with 19 inner ring of bearing, 19 outer ring of bearing It is connected with upper casing 1.

The firewire outlet terminal 1401 is integrated with divertor, which connect with master board 8.

As shown in Figure 35 to 36,11 inside of locking slide plate is equipped with tripping assembly 15, and the tripping assembly 15 includes position In the tripping slip ring 1501 of 11 inside upper part of locking slide plate, 1501 upper surface of tripping slip ring is equipped with tripping inclined-plane 1511, and tripping is slided The uniformly distributed protrusion 1512 in 1501 lower surface periphery of ring, protrusion 1512 are contacted with the correspondence of locking slide plate 11, and tripping 1501 inner ring of slip ring is set There is uniformly distributed needle roller 1513,1501 top of tripping slip ring is equipped with fixed cover board 1514.

As shown in Figure 33 to 34, the locking slide plate 11 is sector structure, and top is evenly distributed with A phases successively from right to left Inclined-plane 1101, B phases inclined-plane 1102, C phases inclined-plane 1103；A phases inclined-plane 1101, B phases inclined-plane 1102,1103 lower section of C phases inclined-plane are respectively Equipped with A phase lockings mouth 1104, B phase lockings mouth 1105, C phase lockings mouth 1106；A phases inclined-plane 1101 is corresponding with B phases inclined-plane 1102 to be set There is guide support 1107；Guide support 1107 is cased with slide plate resetting spring 1108 respectively.

The master board 8 is PCB integrated circuit plates, and master board 8 is fixedly installed on board support 21, fixed plate Support 21 is fixedly installed in 203 lower surface of partition board.

Divertor is copper-manganese divertor in the utility model；Motor 5 is DC speed-reducing；Stationary contact 1205 For silver contact, quiet head guide rod 1204 is red copper guide rod, valve jacket 1206 is stainless steel sleeve；Detectable 360 degree of angular transducer 7 turns Angle, and positive and negative gyration detection can be carried out；The number 1401 of firewire outlet terminal is identical with the group number of moving contact 9；Angle sensor Circuit is Point location detection circuit used by device 7；Hall element 1602 is Hall sensor；604 tail end of armature is equipped with external screw thread, External screw thread root is equipped with stop nut；Motor 5 is fixedly connected by stent with bottom case；Under the fixing bracket 601 of electromagnetic relay 6 Portion is fixedly connected with 5 output shaft of motor, and 601 top of fixing bracket is fixedly connected by bearing 19 with upper casing 1；On static contact 12 also Equipped with buffering spacer；Movable contact 909, latch 906 are embedded in 904 ontology of guide rod, and movable contact 909 stretches out 904 ontology of guide rod End face.

The utility model is equipped with communication interface, and the communication interface is RF radio communication module.

In the utility model, master board 8 is PCB integrated circuit plates, and power supply module is equipped in the integrated circuit plate.

The utility model has adaptation function, can be according to current electric grid voltage unbalance factor and phase-change switch bearing power Size, whether voltage unbalance factor can reduce after estimating commutation, and whether automatic decision performs commutation.

The utility model is used for in the network of radio area, having multiple high-capacity intelligent phase-change switches in the network, each High-capacity intelligent phase-change switch cooperates, and realizes the balance of voltage of taiwan area supply network.

Before the utility model starts work, setting first includes switching serial number, work time zone, voltage unbalance factor threshold value etc. Parameter；After the utility model enables work, itself carries out initialization operation, the rotation adjustment corner of motor 5 position according to default It puts to trip position, the voltage unbalance factor situation then arrived according to system detectio sequentially turns on each group dynamic/static contact ABC three-phases In a certain phase；Turn on process is as follows：

1. system initialization adjusts 5 corner initial position of motor in trip position；

2. according to system detectio to place's non-equilibrium among three phase voltages of registering one's residence, system command motor 5 rotates, and sequentially turns on each A certain phase in group dynamic/static contact ABC three-phases, at this point, the load of each road is in "on" position；

3. after the work schedule of corresponding high-capacity intelligent phase-change switch arrives, high-capacity intelligent phase-change switch detects again It registers one's residence and locates three-phase voltage, phase angle, differentiates phase sequence, detection load phase current values, and voltage unbalance factor after commutation is estimated accordingly Whether relatively currently reduce, if so, the one group of implementation of voltage unbalance factor reduction at most is changed after selection commutation in each group load Phase performs corresponding commutation action；It detects related data again later and estimates the voltage unbalance factor after commutation, according to estimating Situation, repeat the above steps judge whether perform and how to perform follow-up three groups of loads commutation action；

It, can only be to one group in each section 4. working time section is divided into multiple sections by high-capacity intelligent phase-change switch Commutation action is implemented in load, remaining group cannot implement commutation action.

The utility model commutation action detailed process be：

1. motor 5 obtains system command, suspend after completing rotation according to first retainer, system command is electricity in particular moment 6 power on/off of magnetic relay, armature 604 move, and the moving contact 9 of corresponding position is pushed to move, the locking stops 906 of the institute of moving contact 9 with Moving contact 9 moves, and by commutation inclined-plane corresponding on locking slide plate 11, locking slide plate 11 is pushed to rotate by a certain angle, at this point, working as The latch 906 of the moving contact 9 of preceding work phase is detached from out of corresponding locking slide plate 11 locking mouth, and latch 906 is by moving contact 9 The active force of the dynamic head resetting spring 907 in inside does resetting movement, in the very short time after the completion of work at present phase separating brake, target work Make phase dynamic/static contact and realize combined floodgate；Work at present phase separating brake is less than 20ms with the time interval between target operation mutually closes a floodgate；

2. after target operation mutually completes feed motion, locking slide plate 11 is done under the promotion of slide plate resetting spring 1108 Rotary motion is resetted, the moving contact assembly of target operation phase is locked in conduction position, at this point, the latch of target operation phase 906 are fixed in corresponding locking mouth.One group of commutation action is completed at this time；

3. similarly, system rotates and electromagnetic relay 6 according to program and testing result, according to actual needs command motor 5 Power on/off completes the commutation action of remaining group.

4. can only at most there is a phase to be in "on" position in each group, remaining two-phase is in gate-dividing state；It is or same Three-phase is in gate-dividing state in group.

When system detectio load current exceeds setting range, starting tripping program, phase line separating brake simultaneously, tripping in each group Process is as follows：

1. each group firewire output nominal load current is identical, when system detectio load current is more than 1.5 times of rated current And the duration be more than setting value when, system starting tripping program；

2. system sends to motor 5 and instructs, according to the angle position currently stopped, rotate to trip position；

3. system controls 6 power on/off of electromagnetic relay, coil 603 it is electric, armature fortune 604 is dynamic, into tripping inclined-plane 1511 It is interior, tripping slip ring 1501 is pushed to rotate by a certain angle, tripping slip ring 1501 pushes locking slide plate 11 by the protrusion 1512 of itself The rotation of the same direction is done, after turning an angle, the latch 906 of all conducting phases of each group is detached from corresponding locking mouth, complete Into homing action, separating brake is realized.

In commutation process, System on Chip/SoC judges whether corresponding phase is complete by detecting the signal of separating brake detection circuit 16 The time span of separating brake action is acted and completed into separating brake, and to the zero crossing moment pair at separating brake moment and ac power waveform Than if the separating brake moment is in the 0.5ms time ranges before the zero crossing moment, belonging to normal separating brake, if the separating brake moment is inclined From this time range, then system, which is recorded and calculated, deviates the time, when performing next commutation action, is powered to electromagnetic relay 6 Moment gives corresponding adjustment so that and the separating brake moment is always in the 0.5ms time ranges before the ac power waveform zero crossing, So as to fulfill good arc quenching effect.

In commutation process, motor 5 is controlled rotation first retainer, and detect practical turn through angular transducer 7 by master board 8 Angle feeds back to system judgement, realizes the closed-loop control of 5 rotation angle of motor, so as to accurately control commutation and the accurate nothing of trip operation Accidentally.

It is briefly described for there is the high-capacity intelligent phase-change switch of four groups of moving contacts 9 below, not specified (NS) Part is identical with the above, repeats no more.

Four groups of moving contacts 9 are evenly distributed with around electromagnetic relay 6, every group of moving contact 9 is 3 moving contacts, respectively For A phases moving contact 901, B phases moving contact 902, C phases moving contact 903, A phases moving contact 901, the B phase moving contacts of every group of moving contact 9 902nd, C phases moving contact 903 is pooled together by conducting wire, and connection firewire outlet terminal 1401 is exported as a phase firewire；Stationary contact First 12 have four groups, and every group of static contact 12 is correspondingly provided with A phases static contact 1201, B phases static contact 1202, C phases static contact 1203, often One group of moving contact 9 is corresponding with one group of static contact 12, A phases moving contact 901, B phases moving contact 902, C in each group of moving contact 9 Phase moving contact 903 divides with A phases static contact 1201, B phases static contact 1202, the C phases static contact 1203 in the static contact 12 of respective sets It is not correspondingly formed one big group；A phases static contact 1201, B phases static contact 1202, C phase static contacts in each group of static contact 12 1203 are connected by conducting wire, are formed phase firewire output, are connected to firewire outlet terminal 1401.At work, between big group solely Vertical work.

904 lower section of guide rod of the moving contact 9 is equipped with locking slide plate 11；Locking slide plate 11 totally four, circumference uniform distribution is in electricity Around magnetic relay 6, and in the locking type groove 2011 being fixed on bottom case 2；Four 11 circumference uniform distribution of locking slide plate such as Figure 34 institutes Show；As shown in Figure 33 to 34, locking slide plate 11 is sector structure, including two guide supports, 1107, three commutation inclined-planes and three A locking mouth, every locking slide plate 11 are furnished with 2 slide plate resetting springs 1108；The inside upper part of locking slide plate 11 is equipped with tripping and slides Ring 1501, tripping slip ring 1501 are circle, and 1501 periphery of tripping slip ring is evenly equipped with 4 protrusions 1512 and 1 tripping inclined-plane 1511, 1501 inner ring of slip ring that trips is equipped with uniformly distributed needle roller 1513, and 1501 top of tripping slip ring is equipped with fixed cover board 1514, such as Figure 35 extremely Shown in 36；4 protrusions 1512 are contacted with 4 correspondences of locking slide plate 11；Locking slide plate 11 be overall structure, four locking slide plates 11 It works independently；When trip operation generates, tripping slip ring 1501 pushes four locking slide plates 11 to rotate simultaneously, realizes four groups of firewires Output is tripped simultaneously.

2 upper end of bottom case is equipped with A phases end of incoming cables 1301, B phases end of incoming cables 1302, C phases end of incoming cables successively from left to right 1303 and zero curve end of incoming cables 1304, ABC phases end of incoming cables connect respectively with the ABC phases of 4 groups of moving contacts by conducting wire；2 lower end of bottom case 1402,4 firewire outlet terminals 1401 of 4 firewire outlet terminals 1401 and a zero curve outlet terminal are followed successively by from left to right to divide It is not connected with static contact 12, zero curve outlet terminal 1402 is directly connected via conducting wire with zero curve input terminal 1304；Firewire outlet Terminal 1401 is integrated with copper-manganese divertor.The A phases input terminal 1301 is connect with 4 901 conducting wires of A phases moving contact, together Reason, BC phases input terminal are connect with the moving contact conducting wire of corresponding phase.

The display control board 4 includes display screen, indicator light and debugging button；It debugs button and includes OK keys, esc key, a left side Directionkeys, right direction key, upper directionkeys and lower directionkeys, system reset key etc..

In the utility model, tripping assembly 15 can not also be set to trip, in this situation without tripping assembly 15 Under, by the way that electromagnetic relay 6 is controlled to rotate first retainer, the non-conduction phase position of a certain group of needs tripping is rested on, by controlling System is powered to electromagnetic relay 6, and armature 604 pushes guide rod 904, so as to which locking slide plate 11 be pushed to rotate by a certain angle so that The locking mouth phase separation for being locked to block 906 and locking slide plate 11 of conducting phase, realizes the tripping of this group.In the process, electromagnetism The conduction time of relay 6 is distributed by control system, and conduction time length is less than the conduction time length of commutation action（About Commutation action energization period）, locking slide plate 11 is rotated by a certain angle, phase separating brake, and armature is connected Before 604 push guide rod 904 and then latch 906 is pushed to enter lock position, electromagnetic relay 6 powers off, and armature 604 resets, and The guide rod 904 that armature 604 is pushed simultaneously is also corresponding to be resetted, and trip operation is completed.

Technical characteristic of the utility model without description can realize that details are not described herein by or using the prior art, Certainly, above-mentioned specific embodiment is not the limitation to the utility model, and the utility model is also not limited to above-mentioned specific Embodiment, variation that those skilled in the art are made in the essential scope of the utility model retrofit, add Add or replace, should also fall into the scope of protection of the utility model.

Claims (10)

1. a kind of high-capacity intelligent phase-change switch, including the upper casing installed successively from front to back（1）, bottom case（2）, bottom plate（3）, It is characterized in that, the upper casing（1）Outer surface is equipped with display control board（4）, bottom case（2）Center is fixed with motor（5）, motor （5）Shaft connection electromagnetic relay（6）, electromagnetic relay（6）Top is equipped with angular transducer（7）, bottom case（2）Inside it is fixed with Master board（8）, power module（20）, electromagnetic relay（6）Periphery be at least evenly distributed with one group of moving contact（9）, move and touch Head（9）Side is equipped with separating brake detection circuit（16）, moving contact（9）Lower section is equipped with locking slide plate（11）, moving contact（9）Across dynamic head Support（10）, move head support（10）It is fixed on bottom case（2）On, move head support（10）Outside is equipped with and moving contact（9）It is corresponding quiet Contact（12）；

One group of moving contact（9）It is divided into 3 moving contacts, respectively A phases moving contact（901）, B phase moving contacts（902）, C phase moving contacts （903）；The static contact of each phase moving contact in one group corresponding（12）Respectively A phases static contact（1201）, B phase static contacts（1202）、C Phase static contact（1203）；

Bottom case（2）One end is equipped with input terminal（13）, the other end is equipped with outlet terminal（14）；Input terminal（13）Including A phases into Line terminals（1301）, B phase input terminals（1302）, C phase input terminals（1303）, zero curve input terminal（1304）；A phases end of incoming cables Son（1301）, B phase input terminals（1302）, C phase input terminals（1303）By conducting wire respectively with each group moving contact（9）In A Phase moving contact（901）, B phase moving contacts（902）, C phase moving contacts（903）It is correspondingly connected with；Outlet terminal（14）Including several firewires Outlet terminal（1401）, zero curve outlet terminal（1402）, zero curve outlet terminal（1402）With zero curve input terminal（1304）Conducting wire Connection, every group of static contact（12）In ABC phases static contact series connection after with a firewire outlet terminal（1401）Conducting wire connects；

A phase input terminals（1301）, B phase input terminals（1302）, C phase input terminals（1303）, zero curve input terminal（1304） Respectively with master board（8）Connection；

The display control board（4）, power module（20）, motor（5）, electromagnetic relay（6）, angular transducer（7）, trip inspection Slowdown monitoring circuit（16）Respectively with master board（8）Connection.

A kind of 2. high-capacity intelligent phase-change switch according to claim 1, which is characterized in that the moving contact（9）With it is quiet Contact（12）Between be connected with varistor arc-suppression circuit（17）.

A kind of 3. high-capacity intelligent phase-change switch according to claim 1, which is characterized in that the moving contact（9）Including Guide rod（904）, guide rod（904）It is equipped with terminals of connecting wire（905）, guide rod（904）Latch is equipped with below inner end（906）, guide rod （904）Middle part is equipped with cavity（908）, cavity（908）It is interior to be equipped with dynamic head resetting spring（907）；The dynamic head support（10）On set There is supported hole（1001）, supported hole（1001）It is interior to be equipped with postioning abutment（1002）；Guide rod（904）Across supported hole（1001）, limit Position link stopper（1002）Embedded cavity（908）It is interior；Guide rod（904）Outer end is equipped with movable contact（909）；The static contact（12）Including quiet Head guide rod（1204）, quiet head guide rod（1204）One end is equipped with stationary contact（1205）, quiet head guide rod（1204）On be cased with valve jacket （1206）, valve jacket（1206）It is cased with quiet head buffer spring outside（1207）, quiet head buffer spring（1207）Both ends are equipped with quiet head spring Washer（1208）；Quiet head guide rod（1204）The other end connects firewire connection terminal（1209）And it is fixed on quiet head support（18）On, Quiet head support（18）It is fixed on bottom case（2）；Firewire connection terminal（1209）With firewire outlet terminal（1401）Connection；It is described dynamic tactile Point（909）With stationary contact（1205）It is positioned opposite.

A kind of 4. high-capacity intelligent phase-change switch according to any one of claims 1 to 3, which is characterized in that the bottom case （2）Including bottom case epicoele（201）, bottom case cavity of resorption（202）, partition board（203）；Partition board（203）Upper surface is equipped with locking type groove （2011）, locking slide plate（11）Set on locking type groove（2011）It is interior；Motor（5）It is fixed on partition board（203）Middle position；Main control Plate（8）, power module（20）, varistor arc-suppression circuit（17）Set on bottom case cavity of resorption（202）It is interior.

A kind of 5. high-capacity intelligent phase-change switch according to claim 1, which is characterized in that the separating brake detection circuit （16）Including magnet（1601）, Hall element（1602）；Magnet（1601）It is fixed on moving contact（9）One side；Hall element （1602）It is fixed on dynamic head support（10）On, and fixed position and magnet（1601）Position is corresponding.

A kind of 6. high-capacity intelligent phase-change switch according to claim 1, which is characterized in that the electromagnetic relay（6） Including fixing bracket（601）, fixing bracket（601）Interior skeleton（602）, intraskeletal coil（603）, across coil（603） Armature（604）, armature（604）On the resetting spring that is arranged（605）；Fixing bracket（601）Top is consolidated equipped with angular transducer Dead axle（606）, angular transducer fixing axle（606）With bearing（19）Inner ring is connected, bearing（19）Outer ring and upper casing（1）It is connected.

A kind of 7. high-capacity intelligent phase-change switch according to claim 1, which is characterized in that the firewire outlet terminal （1401）Divertor is integrated with, the divertor and master board（8）Connection.

A kind of 8. high-capacity intelligent phase-change switch according to claim 1, which is characterized in that the locking slide plate（11）It is interior Side is equipped with tripping assembly（15）, the tripping assembly（15）Including being located at locking slide plate（11）The tripping slip ring of inside upper part （1501）, trip slip ring（1501）Upper surface is equipped with tripping inclined-plane（1511）, trip slip ring（1501）Lower surface periphery is uniformly distributed convex It rises（1512）, protrusion（1512）With locking slide plate（11）Corresponding contact, trip slip ring（1501）Inner ring is equipped with uniformly distributed needle roller （1513）, trip slip ring（1501）Top is equipped with fixed cover board（1514）.

A kind of 9. high-capacity intelligent phase-change switch according to claim 1, which is characterized in that the locking slide plate（11）For Sector structure, top are evenly distributed with A phases inclined-plane successively from right to left（1101）, B phases inclined-plane（1102）, C phases inclined-plane（1103）； A phases inclined-plane（1101）, B phases inclined-plane（1102）, C phases inclined-plane（1103）It is respectively arranged below with A phase locking mouths（1104）, B phase lockings Mouthful（1105）, C phase locking mouths（1106）；A phases inclined-plane（1101）With B phases inclined-plane（1102）It is correspondingly provided with guide support（1107）； Guide support（1107）It is cased with slide plate resetting spring respectively（1108）.

A kind of 10. high-capacity intelligent phase-change switch according to claim 4, which is characterized in that the master board（8）For PCB integrated circuit plates, master board（8）It is fixedly installed in board support（21）On, fixed plate support（21）It is fixedly installed in Partition board（203）Lower surface.