CN206819949U - A kind of intelligent phase-change switch - Google Patents
A kind of intelligent phase-change switch Download PDFInfo
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- CN206819949U CN206819949U CN201720445477.XU CN201720445477U CN206819949U CN 206819949 U CN206819949 U CN 206819949U CN 201720445477 U CN201720445477 U CN 201720445477U CN 206819949 U CN206819949 U CN 206819949U
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Abstract
Low-voltage power supply facility field is the utility model is related to, discloses the intelligent phase-change switch that a kind of commutation precision is higher, unfailing performance is more preferable, and the life-span is longer, cost is lower.It includes shell, support system, locking fail-safe system, commutation system, control display system, trip system, shell includes back casing, procapsid, connecting bracket on front side of back casing, connecting framework on front side of support, skeleton circumferencial direction are uniformly provided with groove, rotating shaft are set in groove, rotating shaft is connected with driving lever, driving lever bottom is connected with screw rod, and screw rod bottom connects with vacuum bubbles switch, and vacuum bubbles switch bottom outlet terminal is connected with phase line bus bar；Skeleton upper surface connects motor fixing plate, motor is set below motor fixing plate, shaft coupling is provided with above motor fixing plate, rotating disk one is provided with above shaft coupling, the center of rotating disk one is provided with bearing, bearing and fixed axis connection, fixing axle side are provided with the axis of guide, by being cased with lock banking stop one, flexible member one, sliding block successively outside interior on the axis of guide.
Description
Technical field
Low-voltage power supply facility field is the utility model is related to, is on a kind of intelligent phase-change switch specifically.
Background technology
In low voltage electric network, three-phase imbalance refers to the three-phase current in power system（Or voltage）Amplitude is inconsistent, and
Difference in magnitude exceedes prescribed limit.Three-phase imbalance can cause the electric energy loss increase of circuit, distribution transformer, and distribution transforming, which is contributed, to be subtracted
Less, distribution transforming produces 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 far as possible, to keep three-phase equilibrium；And opened using commutation
Pass is one of the most frequently used means.
China Patent Publication No. CN106409623A, publication date 2017 year 02 month 15 days, invention and created name are a kind of intelligence
Energy phase-change switch, this application case disclose a kind of intelligent phase-change switch, and it includes base and four guide rods, wherein three are mutually to lead
Bar, another is zero line guide rod, has movable contact on guide rod, guide rod can do axial-movement, have stationary contact on base, below guide rod
Base be provided with latch system and fail-safe system, latch system includes phase line locking slide plate and zero line locking slide plate, phase line lock
Three perpendicular sides towards zero line of slip limiting plate are provided with phase line guiding surface and phase line locking bayonet socket；Zero line locking slide plate is provided with
Zero line guiding surface and zero line locking bayonet socket；Fail-safe system includes two pieces of mistake proofing slide plates for having mistake proofing inclined-plane.Its weak point exists
In being not provided with controlling display system, control operation is inconvenient；Commutation lockable mechanism operation precision is relatively low；Journey is controlled in design
During sequence, it is necessary to when considering commutation caused arc light influence, complex circuit designs, required cost is high.
The content of the invention
The utility model overcomes deficiency of the prior art, there is provided and a kind of commutation precision is higher, unfailing performance is more preferable,
The intelligent phase-change switch that life-span is longer, cost is lower.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of intelligent commutation
Switch, including shell, support system, locking fail-safe system, commutation system, control display system, trip system, the shell bag
Back casing, procapsid are included, display operating panel is provided with front side of procapsid, zero line end of incoming cables is provided with from right to left above back casing
Son, phase line input terminal；Support is fixedly connected with front side of back casing, fixed supported slab one, fixed supported slab two, support are provided with above support
Front side is fixedly connected with skeleton, and skeleton circumferencial direction is uniformly provided with 3 grooves, and a rotating shaft is respectively set in groove, corresponds to and sets below rotating shaft
There is inlet wire plate, rotating shaft is connected with driving lever, and driving lever bottom is connected with screw rod, and screw rod bottom connects with vacuum bubbles switch, and vacuum bubbles open
Bottom outlet terminal is closed to be connected with phase line bus bar；Skeleton upper surface is fixedly connected with motor fixing plate, is set below motor fixing plate
There is motor, shaft coupling is provided with above motor fixing plate, is provided with rotating disk one above shaft coupling, the center of rotating disk one is provided with groove
One, groove one is interior to be provided with bearing, bearing and the fixation axis connection above it, uniform 3 pilot holes of fixing axle side surface circumference, is oriented to
The axis of guide is provided with hole, by being cased with lock banking stop one, flexible member one, sliding block, sliding block left and right side successively outside interior on the axis of guide
Provided with lock banking stop two；Fixing axle upper end sequentially passes through fixed supported slab one, fixed disk, mistake proofing slide plate, locking rotating disk from the bottom to top；Gu
Dead axle upper end is connected with pin, and pin upper end is provided with the flexible member two of circle distribution, and flexible member two is connected with driving lever upper end；
Tripping operation electromagnetic switch is provided with the outside of fixed disk；Wherein：
Right part is provided with zero line outlet terminal below the back casing, and left part is provided with live wire outlet terminal below back casing；
Control panel is provided with inside the procapsid；
The upper surface edge of rotating disk one is fixed with projection one, and groove two is arranged between projection one and groove one, recessed
Projection two is provided with groove two；
Back-moving spring is provided between the projection two and groove two, two projections two are installed in groove two in opposite directions；
The left-right parts of lock banking stop one are arranged with locking neck；The upper end of lock banking stop one is by flexible member four with fixing
The stretching pin connection of support plate one；
On the lock banking stop two locking buckle is provided with locking neck correspondence position；
The fixed disk circumferencial direction is evenly distributed with 3 through holes, and guiding projection is provided between through hole；
The mistake proofing slide plate forms for 3 pieces of mistake proofing bursts of circle distribution, and mistake proofing burst both ends are respectively provided with a mistake proofing inclined-plane,
Be provided with mistake proofing burst guide groove in the middle part of mistake proofing burst, the mistake proofing inclined-plane formation locking mouth one between every two pieces of mistake proofing bursts；
The locking disk upper surface circumferencial direction is evenly distributed with 3 locking guide grooves, and projection, lock are provided with locking guide groove
Locking mouth two is only provided between guide groove, locking rotating disk edge is provided with tripping operation seam；
The guiding projection, mistake proofing burst guide groove, the position of locking guide groove are mutually corresponding；
The through hole, locking mouth one, the position of locking mouth two are corresponding, and driving lever upper end passes through through hole, locking mouth one, lock
Seam two；
Flexible member three is provided between the guiding projection and projection；
The tripping operation electromagnetic switch and tripping operation seam position correspondence；
The rotating shaft of the motor is fixedly connected with shaft coupling；
The vacuum bubbles switch is fixedly connected with skeleton；
The phase line input terminal is followed successively by A phase lines input terminal, B phase lines input terminal, C phase lines end of incoming cables from left to right
Son；
The inlet wire plate is fixedly connected with skeleton, and is connected with vacuum bubbles switch top；
The inlet wire plate is divided into A phase inlet wires plate, B phase inlet wires plate, C phase inlet wire plates；
The A phase lines input terminal, B phase lines input terminal, C phase lines input terminal respectively by wire and A phase inlet wires plate,
B phase inlet wires plate, the connection of C phase inlet wires plate；
The zero line input terminal is connected with zero line, is connected after ZCT is passed through below zero line with zero line outlet terminal
Connect；
Each phase line bus bar accumulates live wire output after connecting ZCT, after live wire passes through current sensor
It is connected with live wire outlet terminal；
The display operating panel, ZCT, motor, tripping operation electromagnetic switch, current sensor respectively with chain of command
Plate connects.
The motor is stepper motor, and carries encoder, and the encoder is Hall encoder, and its energy binding site is opened
Close, realize angle positioning and memory function.
The intelligent phase-change switch has adaptation function, you can according to the voltage unbalance factor threshold value of setting, Yi Jijian
Whether the unbalanced source voltage degree and bearing power automatic decision measured performs commutation.
The display operating panel include time adjustment button, display screen, tripping operation indicator lamp, trip button, power switch,
SR and indicator lamp, C phases button and indicator lamp, B phases button and indicator lamp, A phases button and indicator lamp.
The driving lever top is metallic moiety, and bottom is insulation system part, metallic moiety and insulation system
Part is fixedly connected using rivet；The skeleton is insulation framework.
The control panel is made up of 3 pieces of pcb boards, and is fixedly installed in three sides inside procapsid respectively.
Angle is 60 degree between the groove two；Flexible member two totally 3, angle is 120 degree between each flexible member two.
Flexible member one, flexible member three are compression spring, and the flexible member two is extension spring, and back-moving spring is torsion
Spring；Flexible member four is compression spring.
Ball, back-up ring are provided with the sliding block.
The current sensor is voltage output type.
Compared with prior art, the beneficial effects of the utility model are：Commutation structure mainly uses rotating disc type mechanical structure,
So that the utility model precision is higher, unfailing performance is more preferable, the life-span is longer；New display guidance panel so that the utility model
The simpler convenience of control operation；The setting of vacuum bubbles switch so that the utility model need not consider further that arc light in commutation
Influence, circuit program design it is simpler rationally so that the utility model commutation precision is higher, required cost is lower.
Brief description of the drawings
Fig. 1 is a kind of axonometric drawing of intelligent phase-change switch；
Fig. 2 is a kind of front view of intelligent phase-change switch；
Fig. 3 is a kind of top view of intelligent switch；
Fig. 4 is a kind of upward view of intelligent switch；
Fig. 5 is that a kind of intelligent switch removes the schematic diagram after procapsid；
Fig. 6 is that a kind of intelligent switch removes the front view after procapsid；
Fig. 7 is that a kind of intelligent switch removes procapsid and controls the schematic diagram after display system；
Fig. 8 is that a kind of intelligent switch removes procapsid and controls the front view after display system；
Fig. 9 is that a kind of intelligent switch removes shell and controls the schematic diagram after display system；
Figure 10 is that a kind of intelligent switch removes the schematic diagram after shell, control display system, support system；
Figure 11 is that a kind of intelligent switch removes shell, control display system, support system, the schematic diagram of connection；
Figure 12 is the schematic diagram of support；
Figure 13 is the schematic diagram of skeleton；
Figure 14 is the schematic diagram of fixing axle；
Figure 15 is the schematic diagram of rotating disk one and bearing；
Figure 16 is the top view of rotating disk one and bearing；
Figure 17 is sectional views of the Figure 16 along A-A directions；
Figure 18 is the schematic diagram of lock banking stop one, lock banking stop two and sliding block；
Figure 19 is the schematic diagram of lock banking stop two and sliding block；
Figure 20 is the schematic diagram of lock banking stop one；
Figure 21 is the schematic diagram of lock banking stop two；
Figure 22 is the schematic diagram of fixed disk, mistake proofing slide plate and locking rotating disk；
Figure 23 is the schematic diagram of fixed disk；
Figure 24 is the schematic diagram of mistake proofing slide plate；
Figure 25 is the schematic diagram of locking rotating disk；
Figure 26 is the schematic diagram of driving lever.
In figure, 1 back casing, 2 procapsids, 3 display operating panels, 301 time adjustment buttons, 302 display screens, 303 tripping operations
Indicator lamp, 304 trip buttons, 305 power switches, 306 SRs and indicator lamp, 307 C phases buttons and indicator lamp, 308 B
Phase button and indicator lamp, 309 A phases buttons and indicator lamp, 4 zero line input terminals, 5 phase line input terminals, 501 A phase line inlet wires
Terminal, 502 B phase lines input terminals, 503 C phase lines input terminals, 6 zero line outlet terminals, 7 live wire outlet terminals, 8 zero lines, 9
ZCT, 10 supports, 101 fixed supported slabs one, 102 fixed supported slabs two, 11 skeletons, 111 grooves, 12 motor fixing plates, 13
Motor, 14 shaft couplings, 15 rotating disks one, 1501 grooves one, 1502 projections one, 1503 grooves two, 1504 projections two, 1505 reset bullet
Spring, 16 bearings, 17 fixing axles, 1701 pilot holes, 18 rotating shafts, 19 inlet wire plates, 1901 A phase inlet wires plates, 1902 B phase inlet wires plates,
1903 C phase inlet wires plates, 20 driving levers, 21 screw rods, 22 vacuum bubbles switch, 23 current sensors, 24 phase line bus bars, 25 live wires, 26
Control panel, 27 axis of guides, 28 lock banking stops one, locking neck 2801,29 energy-stored springs one, 30 sliding blocks, 3001 balls, 3002 gears
Circle, 31 lock banking stops two, 3101 locking buckles, 32 fixed disks, 3201 through holes, 3202 guiding projections, 33 mistake proofing slide plates, 3301 mistake proofings
Burst, 33011 mistake proofing inclined-planes, 33012 mistake proofing burst guide grooves, 3302 locking mouths one, 34 locking rotating disks, 3401 locking guide grooves,
3402 springs are raised, 3403 locking mouths two, 3404 tripping operation seam, 35 pins, 36 flexible members two, 37 flexible members three, 38 are jumped
Lock electromagnetic switch, 39 flexible members four.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：Such as Fig. 1 to Figure 19 institutes
Show, a kind of intelligent phase-change switch, including shell, support system, locking fail-safe system, commutation system, control display system, tripping operation
System, the shell include back casing 1, procapsid 2, and the front side of procapsid 2 is provided with display operating panel 3, from the right side above back casing 1
Zero line input terminal 4, phase line input terminal 5 are provided with to a left side；The front side of back casing 1 is fixedly connected with support 10, and the top of support 10 is provided with
Fixed supported slab 1, fixed supported slab 2 102, the front side of support 10 are fixedly connected with skeleton 11, and the circumferencial direction of skeleton 11 is uniformly provided with 3
Individual groove 111, a rotating shaft 18 is respectively set in groove 111, the lower section of rotating shaft 18 is correspondingly provided with inlet wire plate 19, and rotating shaft 18 connects with driving lever 20
Connect, the bottom of driving lever 20 is connected with screw rod 21, and the bottom of screw rod 21 is connected with vacuum bubbles switch 22, and vacuum bubbles switch 22 bottom leading-out terminals
Son is connected with phase line bus bar 24；The upper surface of skeleton 11 is fixedly connected with motor fixing plate 12, and the lower section of motor fixing plate 12 is provided with electricity
Machine 13, the top of motor fixing plate 12 are provided with shaft coupling 14, and the top of shaft coupling 14 is provided with rotating disk 1, and the centre bit of rotating disk 1 installs
Fluted 1, groove 1 is interior to be provided with bearing 16, and bearing 16 is connected with the fixing axle 17 above it, the side of fixing axle 17
3 pilot holes 1701 of circumference uniform distribution, are provided with the axis of guide 27 in pilot hole 1701, by being cased with locking successively outside interior on the axis of guide 27
Piece 1, flexible member 1, sliding block 30, the left and right side of sliding block 30 are provided with lock banking stop 2 31；The upper end of fixing axle 17 is from the bottom to top
Sequentially pass through fixed supported slab 1, fixed disk 32, mistake proofing slide plate 33, locking rotating disk 34；The upper end of fixing axle 17 connects with pin 35
Connect, the upper end of pin 35 is provided with the flexible member 2 36 of circle distribution, and flexible member 2 36 is connected with the upper end of driving lever 20；Fixed disk 32
Outside is provided with tripping operation electromagnetic switch 38；Wherein：
The lower section right part of back casing 1 is provided with zero line outlet terminal 6, and the lower section left part of back casing 1 is provided with live wire outlet terminal
7；
The inside of procapsid 2 is provided with control panel 26；
The upper surface edge of rotating disk 1 is fixed with projection 1, symmetrical between projection 1 and groove 1
Provided with groove 2 1503, projection 2 1504 is provided with groove 2 1503；It is provided between the projection 2 1504 and groove 2 1503
Back-moving spring 1505, two projections 2 1504 are installed in groove 2 1503 in opposite directions, as shown in Figure 15 to Figure 17；
The left-right parts of lock banking stop 1 are arranged with locking neck 2801；The upper end of lock banking stop 1 passes through flexible member
4 39 are connected with the stretching pin of fixed supported slab 1；On the lock banking stop 2 31 lock is provided with the correspondence position of locking neck 2801
Only buckle 3101, as shown in Figure 18 to Figure 21；
The circumferencial direction of fixed disk 32 is evenly distributed with 3 through holes 3201, and guiding projection is provided between through hole 3201
3202；The mistake proofing slide plate 33 forms for 3 pieces of mistake proofing bursts 3301 of circle distribution, and it is anti-that the both ends of mistake proofing burst 3301 are respectively provided with one
Wrong inclined-plane 33011, the middle part of mistake proofing burst 3301 are provided with mistake proofing burst guide groove 33012, prevent between every two pieces of mistake proofing bursts 3301
Wrong inclined-plane 33011 forms locking mouth 1；The upper surface circumferencial direction of locking rotating disk 34 is evenly distributed with 3 locking guide grooves
3401, locking guide groove 3401 is interior to be provided with projection 3402, and locking mouth 2 3403, the side of locking rotating disk 34 are provided between locking guide groove 3401
Along provided with tripping operation seam 3404；The guiding projection 3202, mistake proofing burst guide groove 33012, the position of locking guide groove 3401 are mutual
It is corresponding；The through hole 3201, locking mouth 1, the position of locking mouth 2 3403 are corresponding, and the upper end of driving lever 20 passes through through hole
3201st, locking mouth 1, locking mouth 2 3403；Flexible member three is provided between the guiding projection 3202 and projection 3402
37, as shown in Figure 22 to 25；
The tripping operation electromagnetic switch 38 and the tripping operation position correspondence of seam 3404；
The rotating shaft of the motor 13 is fixedly connected with shaft coupling 14；
The vacuum bubbles switch 22 is fixedly connected with skeleton 11；
The phase line input terminal 5 is followed successively by A phase lines input terminal 501, B phase lines input terminal 502, C phases from left to right
Line input terminal 503；
The inlet wire plate 19 is fixedly connected with skeleton 11, and is switched 22 tops with vacuum bubbles and be connected；
The inlet wire plate 19 divides for A phase inlet wires plate 1901, B phase inlet wires plate 1902, C phase inlet wires plate 1903；
The A phase lines input terminal 501, B phase lines input terminal 502, C phase lines input terminal 503 pass through wire and A respectively
Phase inlet wire plate 1901, B phase inlet wires plate 1902, C phase inlet wires plate 1903 connect；
The zero line input terminal 4 is connected with zero line 8, the lower section of zero line 8 pass through after ZCT 9 with zero line outlet terminal
6 connections；
Each phase line bus bar 24, which connects, to be accumulated live wire 25 after ZCT 9 and exports, and live wire 25 passes through electric current
It is connected after sensor 23 with live wire outlet terminal 7；
The display operating panel 3, ZCT 9, motor 13, tripping operation electromagnetic switch 38, current sensor 23 are distinguished
It is connected with control panel 26.
The motor 13 is stepper motor, and carries encoder, and the encoder is Hall encoder, and its energy binding site is opened
Close, realize angle positioning and memory function.
The intelligent phase-change switch has adaptation function, you can according to the voltage unbalance factor threshold value of setting, Yi Jijian
Whether the unbalanced source voltage degree and bearing power automatic decision measured performs commutation.
The display operating panel 3 includes time adjustment button 301, display screen 302, tripping operation indicator lamp 303, trip button
304th, power switch 305, SR and indicator lamp 306, C phases button and indicator lamp 307, B phases button and indicator lamp 308, A phases
Button and indicator lamp 309, as shown in Figure 2.
The top of driving lever 20 is metallic moiety, and bottom is insulation system part, and metallic moiety is tied with insulation
Structure part is fixedly connected using rivet；The skeleton 11 is insulation framework, as shown in figure 26.
The control panel 26 is made up of 3 pieces of pcb boards, and is fixedly installed in three sides inside procapsid 2 respectively.
Angle is 60 degree between the groove 2 1503；Flexible member 2 36 totally 3, angle between each flexible member 2 36
For 120 degree.
Flexible member 1, flexible member 3 37 are compression spring, and the flexible member 2 36 is extension spring, reset bullet
Spring 1505 is torsion spring；Flexible member 4 39 is compression spring.
Ball 3001, back-up ring 3002 are provided with the sliding block 30, as shown in Figure 18 to 19.
The current sensor 23 is voltage output type.
In the utility model, support system includes support 10 and skeleton 11, be motor 13, vacuum bubbles switch 22, driving lever 20,
The parts such as fixing axle 17, fixed disk 32 provide positioning and supporting role；Trip system is by tripping operation electromagnetic switch 38 and locking rotating disk
34 compositions, the armature movement for the electromagnetic switch 38 that trips, promote locking rotating disk 34 to rotate, and driving lever 20 separates from locking mouth 2 3403,
Tripping operation electromagnetic switch 38 powers off；
In the utility model, sliding block 30, can be along guiding under the thrust of flexible member 1 and projection 1
Axle 27 slides, when sliding block 30 slides into most inner side, flexible member 1 can energy storage, the locking buckle of lock banking stop 2 31
3101 enter in the locking neck 2801 of lock banking stop 1, and sliding block 30 is locked out；
In the utility model, when the upper end of driving lever 20 is in locking mouth 1 and locking mouth 2 3403, elasticity member
Part 2 36 is stretched, and now the phase line turns on, and remaining two phase line disconnects；Now, when any phase in remaining two phase line
The corresponding upper end of driving lever 20 of circuit will enter conduction position, can be by the stop on mistake proofing inclined-plane 33011, therefore mistake proofing slide plate
33 can play mistake proofing effect.
In the utility model, the ball 3001 that is set in sliding block 30 reduces the friction between sliding block 30 and the axis of guide 27；
In an initial condition, the upper end of driving lever 20 is in locking mouth 2 3403 most inner side, ABC three-phases and is in the utility model
Off-state, sound contact separation during vacuum bubbles switch 22；
The commutation action that the utility model can be realized is divided into six kinds：A→B、A→C、B→A、B→C、C→A、C→B；Under
Face is illustrated with A → B, A → C as specific embodiment to commutation process.
When A is conducted, the corresponding upper end of driving lever 20 of A phases is in the locking mouth 2 3403 of locking rotating disk 34, flexible member
2 36 promote sliding block 30 to slide into outermost locations along the axis of guide 27 in stretching energy storage state, flexible member 1.
When detecting B phase voltage highests, then control panel 26 judges that conducting accordingly switches to B phases, and control panel 26 is sent out
Instruction is sent to motor 13, makes 120 degree of 13 rotate counterclockwise of motor, the projection 1 on rotating disk 1 promotes the corresponding guiding of A phase
Sliding block 30 on axle 27 slides into most inner side, the energy storage of flexible member 1, and the locking buckle 3101 of lock banking stop 2 31 enters
In the locking neck 2801 of lock banking stop 1, sliding block 30 is locked out；Projection 2 1504 promotes the lock banking stop one 28 corresponding with B phases
Moving up, locking buckle 3101 separates with locking neck 2801, and flexible member 1 promotes sliding block 30 to be slid in and out along the axis of guide 27,
Sliding block 30 promotes B phases driving lever 20 to slide in and out, and the inclined-plane of locking rotating disk 34 is passed through in the upper end of driving lever 20, promotes the inverse time of locking rotating disk 34
Pin rotates, and after locking rotating disk 34 is rotated to special angle, the upper end of A phase lockings mouth 2 3403 and A phases driving lever 20 departs from, A phases
Driving lever 20 resets under the pulling force effect of flexible member 2 36, and A phase lines disconnect；In the very short time that A phases disconnect, B phases are dialled
The upper end of bar 20 enters in locking mouth 2 3403, and flexible member 2 36 stretches energy storage, and B is conducted.Between A phases disconnect and B is conducted
Time interval in 10-20ms.
When detecting C phase voltage highests, then control panel 26 judges that conducting accordingly switches to C phases, and control panel 26 is sent out
Instruction is sent motor 13 is turned clockwise 120 degree, the projection 1 on rotating disk 1 promotes A phases to be accordingly oriented to motor 13
Sliding block 30 on axle 27 slides into most inner side, the energy storage of flexible member 1, and the locking buckle 3101 of lock banking stop 2 31 enters
In the locking neck 2801 of lock banking stop 1, sliding block 30 is locked out；Projection 2 1504 promotes the lock banking stop one 28 corresponding with C phases
Moving up, locking buckle 3101 separates with locking neck 2801, and flexible member 1 promotes sliding block 30 to be slid in and out along the axis of guide 27,
Sliding block 30 promotes C phases driving lever 20 to slide in and out, and the inclined-plane of locking rotating disk 34 is passed through in the upper end of driving lever 20, promotes the up time of locking rotating disk 34
Pin rotates, and after locking rotating disk 34 is rotated to special angle, the upper end of A phase lockings mouth 2 3403 and A phases driving lever 20 departs from, A phases
Driving lever 20 resets under the pulling force effect of flexible member 2 36, and A phase lines disconnect；In the very short time that A phases disconnect, C phases are dialled
The upper end of bar 20 enters in locking mouth 2 3403, and flexible member 2 36 stretches energy storage, and C is conducted.Between A phases disconnect and C is conducted
Time interval in 10-20ms.
Trip protection process of the present utility model：When turning on the power switch 305, electricity, control system on intelligent phase-change switch
Start to detect each phase line voltages of ABC and live wire output current, output end zero-sequence current, if supply voltage, output current, defeated
Go out to hold any one data in zero-sequence current to exceed predetermined threshold value, then the control of control panel 26 tripping operation electromagnetic switch 38 obtains electric, jumps
The armature of lock electromagnetic switch 38 promotes locking rotating disk, and all mutually corresponding driving levers 20, which are realized, to be resetted, switch circuit breaking.In addition, also may be used
To carry out manual power operation.
It is conducted below with A as original state, the mistake proofing process during commutation is briefly described：If in commutation
During there is BC phases driving lever 20 while situation about being displaced outwardly, then the upper end of BC phases driving lever 20 is respectively by mistake proofing burst 3301
During mistake proofing inclined-plane 33011, rotated in opposite directions with two mistake proofing bursts 3301 of the upper-end contact of BC phases driving lever 20, but now A phases driving lever 20
Upper end is located in locking mouth 1, causes locking slide plate 34 to rotate, therefore BC phases driving lever can not enter conduction position.
The utility model can set voltage unbalance factor threshold value, and according to the unbalanced source voltage degree and switch detected
Whether the power automatic decision of load performs commutation.
Technical characteristic of the utility model without description can be realized by or using prior art, will not be repeated here,
Certainly, above-mentioned embodiment is not to limitation of the present utility model, and the utility model is also not limited to above-mentioned specific
Embodiment, change that those skilled in the art are made in essential scope of the present 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 intelligent phase-change switch, including shell, support system, locking fail-safe system, commutation system, control display system,
Trip system, it is characterised in that the shell includes back casing（1）, procapsid（2）, procapsid（2）Front side is provided with display and operated
Panel（3）, back casing（1）Top is provided with zero line input terminal from right to left（4）, phase line input terminal（5）；Back casing（1）Before
Side is fixedly connected with support（10）, support（10）Top is provided with fixed supported slab one（101）, fixed supported slab two（102）, support（10）Before
Side is fixedly connected with skeleton（11）, skeleton（11）Circumferencial direction is uniformly provided with 3 grooves（111）, groove（111）Inside respectively set a rotating shaft
（18）, rotating shaft（18）Lower section is correspondingly provided with inlet wire plate（19）, rotating shaft（18）With driving lever（20）Connection, driving lever（20）Bottom and screw rod
（21）Connection, screw rod（21）Bottom switchs with vacuum bubbles（22）Connection, vacuum bubbles switch（22）Bottom outlet terminal and the phase congruence
Streamline（24）Connection；Skeleton（11）Upper surface is fixedly connected with motor fixing plate（12）, motor fixing plate（12）Lower section is provided with motor
（13）, motor fixing plate（12）Top is provided with shaft coupling（14）, shaft coupling（14）Top is provided with rotating disk one（15）, rotating disk one（15）
Center is provided with groove one（1501）, groove one（1501）It is interior to be provided with bearing（16）, bearing（16）With the fixing axle above it
（17）Connection, fixing axle（17）Uniform 3 pilot holes of side surface circumference（1701）, pilot hole（1701）It is interior to be provided with the axis of guide（27）,
The axis of guide（27）On by being cased with lock banking stop one successively outside interior（28）, flexible member one（29）, sliding block（30）, sliding block（30）Left and right
Side is provided with lock banking stop two（31）；Fixing axle（17）Upper end sequentially passes through fixed supported slab one from the bottom to top（101）, fixed disk
（32）, mistake proofing slide plate（33）, locking rotating disk（34）；Fixing axle（17）Upper end and pin（35）Connection, pin（35）Upper end is provided with
The flexible member two of circle distribution（36）, flexible member two（36）With driving lever（20）Upper end connects；Fixed disk（32）Outside is provided with
Trip electromagnetic switch（38）；Wherein：
The back casing（1）Lower section right part is provided with zero line outlet terminal（6）, back casing（1）Lower section left part is provided with live wire leading-out terminal
Son（7）；
The procapsid（2）Inside is provided with control panel（26）；
The rotating disk one（15）Upper surface edge is fixed with projection one（1502）, projection one（1502）With groove one（1501）Between
It is arranged with groove two（1503）, groove two（1503）It is interior to be provided with projection two（1504）；
The projection two（1504）With groove two（1503）Between be provided with back-moving spring（1505）, two projections two（1504）Opposite peace
Loaded on groove two（1503）It is interior；
The lock banking stop one（28）Left-right parts are arranged with locking neck（2801）, lock banking stop one（28）Upper end passes through elastic member
Part four（39）With fixed supported slab one（101）Stretching pin connection；
The lock banking stop two（31）Upper and locking neck（2801）Correspondence position is provided with locking buckle（3101）；
The fixed disk（32）Circumferencial direction is evenly distributed with 3 through holes（3201）, through hole（3201）Between be provided with guiding projection
（3202）；
The mistake proofing slide plate（33）For 3 pieces of mistake proofing bursts of circle distribution（3301）Composition, mistake proofing burst（3301）Both ends are respectively set
There is a mistake proofing inclined-plane（33011）, mistake proofing burst（3301）Middle part is provided with mistake proofing burst guide groove（33012）, every two pieces of mistake proofing bursts
（3301）Between mistake proofing inclined-plane（33011）Form locking mouth one（3302）；
The locking rotating disk（34）Upper surface circumferencial direction is evenly distributed with 3 locking guide grooves（3401）, locking guide groove（3401）
It is interior to be provided with projection（3402）, locking guide groove（3401）Between be provided with locking mouth two（3403）, locking rotating disk（34）Edge, which is provided with, jumps
Lock seam（3404）；
The guiding projection（3202）, mistake proofing burst guide groove（33012）, locking guide groove（3401）Position it is mutually corresponding；
The through hole（3201）, locking mouth one（3302）, locking mouth two（3403）Position it is corresponding, and driving lever（20）Wear upper end
Cross through hole（3201）, locking mouth one（3302）, locking mouth two（3403）；
The guiding projection（3202）With projection（3402）Between be provided with flexible member three（37）；
The tripping operation electromagnetic switch（38）With the seam that trips（3404）Position correspondence；
The motor（13）Rotating shaft and shaft coupling（14）It is fixedly connected；
The vacuum bubbles switch（22）With skeleton（11）It is fixedly connected；
The phase line input terminal（5）A phase line input terminals are followed successively by from left to right（501）, B phase line input terminals（502）、C
Phase line input terminal（503）；
The inlet wire plate（19）With skeleton（11）It is fixedly connected, and is switched with vacuum bubbles（22）Top connects；
The inlet wire plate（19）It is divided into A phase inlet wire plates（1901）, B phase inlet wire plates（1902）, C phase inlet wire plates（1903）；
The A phase lines input terminal（501）, B phase line input terminals（502）, C phase line input terminals（503）Pass through wire respectively
With A phase inlet wire plates（1901）, B phase inlet wire plates（1902）, C phase inlet wire plates（1903）Connection；
The zero line input terminal（4）With zero line（8）Connection, zero line（8）Lower section passes through ZCT（9）Afterwards with zero line outlet
Terminal（6）Connection；
Each phase line bus bar（24）Connect into ZCT（9）After accumulate live wire（25）Output, live wire（25）Pass through
Current sensor（23）Afterwards with live wire outlet terminal（7）Connection；
The display operating panel（3）, ZCT（9）, motor（13）, tripping operation electromagnetic switch（38）, current sensor
（23）Respectively with control panel（26）Connection.
A kind of 2. intelligent phase-change switch according to claim 1, it is characterised in that the motor（13）For stepper motor,
And encoder is carried, the encoder is Hall encoder, its energy binding site switch, realizes angle positioning and memory function.
3. a kind of intelligent phase-change switch according to claim 2, it is characterised in that it has adaptation function, you can root
According to the voltage unbalance factor threshold value of setting, and whether the unbalanced source voltage degree and bearing power automatic decision that detect are held
Row commutation.
A kind of 4. intelligent phase-change switch according to any one of claims 1 to 3, it is characterised in that the display operating surface
Plate（3）Including time adjustment button（301）, display screen（302）, tripping operation indicator lamp（303）, trip button（304）, power switch
（305）, SR and indicator lamp（306）, C phases button and indicator lamp（307）, B phases button and indicator lamp（308）, A phase buttons
And indicator lamp（309）.
A kind of 5. intelligent phase-change switch according to claim 4, it is characterised in that the driving lever（20）Top is metal knot
Structure part, bottom are insulation system part, and metallic moiety is fixedly connected with insulation system part using rivet；The skeleton
（11）For insulation framework.
A kind of 6. intelligent phase-change switch according to claim 5, it is characterised in that the control panel（26）By 3 pieces of PCB
Plate forms, and is fixedly installed in procapsid respectively（2）Three internal sides.
A kind of 7. intelligent phase-change switch according to claim 6, it is characterised in that the groove two（1503）Between angle
For 60 degree；Flexible member two（36）Totally 3, each flexible member two（36）Between angle be 120 degree.
A kind of 8. intelligent phase-change switch according to claim 7, it is characterised in that flexible member one（29）, flexible member
Three（37）For compression spring, the flexible member two（36）For extension spring；Back-moving spring（1505）For torsion spring；Flexible member four
（39）For compression spring.
A kind of 9. intelligent phase-change switch according to claim 8, it is characterised in that the sliding block（30）It is interior to be provided with ball
（3001）, back-up ring（3002）.
A kind of 10. intelligent phase-change switch according to claim 9, it is characterised in that the current sensor（23）For electricity
Press output type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445477.XU CN206819949U (en) | 2017-04-26 | 2017-04-26 | A kind of intelligent phase-change switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445477.XU CN206819949U (en) | 2017-04-26 | 2017-04-26 | A kind of intelligent phase-change switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206819949U true CN206819949U (en) | 2017-12-29 |
Family
ID=60754680
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720445477.XU Active CN206819949U (en) | 2017-04-26 | 2017-04-26 | A kind of intelligent phase-change switch |
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| Country | Link |
|---|---|
| CN (1) | CN206819949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808708A (en) * | 2017-04-26 | 2018-11-13 | 秦传勇 | A kind of intelligence phase-change switch |
-
2017
- 2017-04-26 CN CN201720445477.XU patent/CN206819949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808708A (en) * | 2017-04-26 | 2018-11-13 | 秦传勇 | A kind of intelligence phase-change switch |
| CN108808708B (en) * | 2017-04-26 | 2021-08-24 | 秦传勇 | Intelligent phase-change switch |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200703 Address after: 274000 Building 9, New Century Science and Technology City, 666 Jinan Road, Heze Development Zone, Shandong Province Patentee after: HEZE ZHENGYAN POWER TECHNOLOGY Co.,Ltd. Address before: 274000 No. 78 Danyang Road, Mudan District, Shandong, Heze Patentee before: Qin Chuanyong |