CN109038621A - A kind of intelligence phase-change switch - Google Patents
A kind of intelligence phase-change switch Download PDFInfo
- Publication number
- CN109038621A CN109038621A CN201810843129.7A CN201810843129A CN109038621A CN 109038621 A CN109038621 A CN 109038621A CN 201810843129 A CN201810843129 A CN 201810843129A CN 109038621 A CN109038621 A CN 109038621A
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- China
- Prior art keywords
- incoming cables
- plane
- bottom case
- commutation
- electromagnetic switch
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0072—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 particular to three-phase switches
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
Abstract
The present invention relates to low-voltage power supply facility fields, particularly disclose a kind of intelligent phase-change switch.The intelligence phase-change switch, including the shell being composed of upper casing and bottom case, separating brake handle and terminal cover are set on upper casing, it is characterized by: the bottom case top is disposed with the end of incoming cables N, the end of incoming cables L1, the end of incoming cables L2 and the end of incoming cables L3 from left to right, bottom case bottom end is provided with zero terminal and fire line terminal；The tripping electromagnetic switch of the corresponding end of incoming cables N, three commutation electromagnetic switch, mistake proofing latch system and brake separating mechanisms arranged side by side are provided in bottom case；The armature end of commutation electromagnetic switch is connected with commutation guide rod, and commutation guide rod end connects the moving contact being mounted on dynamic head slide, is correspondingly provided with static contact below moving contact, static contact connects fire line terminal by conducting wire.The configuration of the present invention is simple is reasonable, and product noise is small, and arc extinction performance is good, and mechanical performance is good, and movement mechanism reliability and accuracy is high, is suitable for processing and manufacturing and batch production.
Description
(1) technical field
The present invention relates to low-voltage power supply facility field, in particular to a kind of intelligent phase-change switch.
(2) background technique
In low voltage electric network, three-phase imbalance refers to that three-phase current (or voltage) amplitude is inconsistent in the power system, and amplitude
Difference is more than prescribed limit.Three-phase imbalance will cause route, the electric energy loss of distribution transformer increases, and distribution transforming power output reduces, matches
Raw zero-sequence current is sold of one's property, motor efficiency reduces, and influences the safe operation of electrical equipment.Therefore, in real power supply process, electricity
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 it is using phase-change switch
One of most common means.
China Patent Publication No. CN106409623A, publication date on February 15th, 2017, invention and created name was a kind of intelligence
Energy phase-change switch, this application discloses a kind of intelligent phase-change switches, it includes pedestal and four guide rods, wherein three are mutually to lead
Bar, another is zero curve guide rod, has movable contact on guide rod, guide rod can do axial-movement, have stationary contact on pedestal, below guide rod
Pedestal be equipped with latch system and fail-safe system, latch system includes phase line locking slide plate and zero curve locking slide plate, phase line lock
The perpendicular side towards zero curve of three of slip limiting plate is equipped with phase line guiding surface and phase line locking bayonet；Zero curve locking slide plate is equipped with
Zero curve guiding surface and zero curve locking bayonet；Fail-safe system includes two pieces of mistake proofing slide plates for having mistake proofing inclined-plane.Its shortcoming exists
In commutation electromagnetic switch contact is single-tap point structure, without damping and noise-reducing structure, and arc quenching effect is poor, noise is big；Without open position
Switch, can not detect and judge whether in open position, disconnect instruction without obvious machinery.
(3) summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides it is a kind of it is simple and reasonable, noise is small, performance is stable, is suitable for
The intelligent phase-change switch of batch production.
The present invention is achieved through the following technical solutions:
It is a kind of intelligence phase-change switch be provided between upper casing and bottom case by showing including the shell being composed of upper casing and bottom case
Show that control panel, master board and insulation board are superimposed the circuit board of composition up and down, separating brake handle and terminal cover are set on upper casing, it is special
Sign is: the bottom case top is disposed with the end of incoming cables N, the end of incoming cables L1, the end of incoming cables L2 and the end of incoming cables L3, bottom case from left to right
Bottom end is provided with zero terminal and fire line terminal；It is provided with the tripping electromagnetic switch of the corresponding end of incoming cables N in bottom case, respectively corresponds L1
End of incoming cables, the end of incoming cables L2, three of the end of incoming cables L3 commutation electromagnetic switch arranged side by side, the mistake proofing locking below tripping electromagnetic switch
System and below mistake proofing latch system and connect the brake separating mechanism of separating brake switch；The armature end of commutation electromagnetic switch connects
It is connected to commutation guide rod, commutation guide rod end connects the moving contact being mounted on dynamic head slide, is correspondingly provided with stationary contact below moving contact
Head, static contact connect fire line terminal by conducting wire；The end of incoming cables N is connect by conducting wire with zero terminal, the end of incoming cables L1, L2 inlet wire
End, the end of incoming cables L3 are separately connected moving contact, are installed with current transformer on zero curve；The armature end of tripping electromagnetic switch is connected with jump
Lock guide rod；The end of incoming cables N, the end of incoming cables L1, the end of incoming cables L2, the end of incoming cables L3, commutation electromagnetic switch, tripping electromagnetic switch, display control
Plate, current transformer are separately connected master board.
The present invention improves on the basis of being directed to the prior art, and the end of incoming cables of multiple connection fire line terminals is arranged, and leads to
It crosses independent commutation electromagnetic switch to be controlled, for the stable operation for guaranteeing commutation electromagnetic switch and the electromagnetic switch that trips, design
Be mounted with the mistake proofing latch system for control, and by the external separating brake handle with upper casing surface realize by brake separating mechanism with
The control of mistake proofing latch system.
More excellent technical solution of the invention are as follows:
The display control board on the upper casing, display control board include display screen, work light, debugging key and reset by
Key, wherein debugging key includes confirmation key, mode selection button, L1 combined floodgate key, L2 combined floodgate key and L3 combined floodgate key.
It is provided with mounting hole at two in the terminal cover, and is provided with threading groove on one side；It is set below terminal cover
It is equipped with test interface, two USB read-write interfaces and 485 external interfaces of connection master board.
The tripping electromagnetic switch is identical with commutation electromagnetic switch structure, is suction type electromagnet, including be placed in cage
The armature of upper wound around coil is provided with armature positioning sleeve on armature and reset spring and backhaul damping bullet is respectively set at both ends
Spring.
The mistake proofing latch system includes three gusset pieces connected side by side, and gusset piece is equipped with fixed space, fixed empty
Between be disposed with mistake proofing slide plate and locking slide plate from inside to outside, locking slide plate top is successively uniformly distributed in tripping from left to right
Inclined-plane, the inclined-plane L1, the inclined-plane L2 and the inclined-plane L3, the inclined-plane L1, the inclined-plane L2 and the inclined-plane L3 are respectively arranged below with L1 locking mouth, L2 locking mouth
With L3 locking mouth；Be equipped with L1 guide support between the inclined-plane L1 and tripping inclined-plane at tripping inclined-plane, the inclined-plane L2 and the inclined-plane L1 it
Between L2 guide support is equipped at the inclined-plane L1, L3 guide support is equipped between the inclined-plane L3 and the inclined-plane L2 at the inclined-plane L2；L1
Guide support, L2 guide support are cased with slide plate reset spring on L3 guide support respectively；Locking slide plate is overall structure, mistake proofing
Slide plate is two pieces of symmetrical structures between the inclined-plane L1 and the inclined-plane L3, is provided on mistake proofing slide plate and the binding face of locking slide plate
Bulge-structure.Wherein, mistake proofing slide plate, locking slide plate and slide plate reset spring are all made of anti-rust metal material.
By positioning pore structure to just between two adjacent gusset pieces of front, behind it is solid by screw between two gusset pieces
It is fixed.
The end of incoming cables N, the end of incoming cables L1, the end of incoming cables L2, the end of incoming cables L3 are drawn a conducting wire respectively and are connect with master board；
Zero curve, L1 inlet wire, L2 inlet wire, L3 inlet wire fill sealing through bottom case back cabling between firewire and the leading-out terminal and bottom case of zero curve
Connected between acoustic material, zero curve end of incoming cables and leading-out terminal, the end of incoming cables L1, the end of incoming cables L2, the end of incoming cables L3 and moving contact by annealed copper wire
It connects；Current transformer is set to the bottom case back side, passes through hub of a spool hole by zero curve.
The moving contact is double contact structure comprising the silver point being welded on copper-based is copper-based sliding by rivet and dynamic head
Seat connection, dynamic head slide is caught in the sliding slot of commutation guide rod to be slidably connected with commutation guide rod；Static contact is integrated double-contact knot
Structure, including six silver points being welded on copper-based.
The commutation lower end of the guide rod is equipped with sliding slot and limit fastener, and limit fastener and commutation guide rod rivet；Armature taper end is set
There are riveted holes for connecting with commutation guide rod, commutation lower end of the guide rod is slidably connected by sliding slot and moving contact.
The guide rod position switch being fixed on bottom case, separating brake are provided in the tripping electromagnetic switch and commutation electromagnetic switch
The handling position switch for being fixed on upper casing is provided in mechanism；When separating brake handle motion to open position, so that handling position
It closing the switch, sub-gate signal is sent to master board by handling position switch, and control system cuts off the power supply of commutation electromagnetic switch,
Prevent switch malfunction closure.
The brake separating mechanism includes the mandril for connecting the locking slide plate of mistake proofing latch system, installs pressing plate and connection on mandril
The reset spring of shaft, shaft connection stretch out the inclined-plane of upper casing, are provided with separating brake handle on inclined-plane；Mandril can push locking slide plate
Movement releases the lockup state of conducting phase guide rod, so that the sound contact of switch has apparent fracture mark in separating brake.
The moving contact and static contact surrounding are surrounded by arc-extinguish chamber.
Present invention employs noise reducing structures, can substantially reduce switch noise；Between the upper casing and bottom case, the end of incoming cables N/
Above the end of incoming cables the L1/end of incoming cables the L2/end of incoming cables L3, between separating brake handle and upper casing, tripping electromagnetic switch/commutation electromagnetic switch with
Sealed bolster and damping sound insulation cushion are provided between bottom case, for reducing switch noise；Labyrinth type drop is provided on bottom case
It makes an uproar structure, the gusset piece of mistake proofing latch system using cellular denoising structure and is provided with damping cushion；Static contact periphery uses
Cushion isolation avoids static contact vibration and noise from directly passing through shell and conduct to exterior space；The bottom case back side is equipped with insulation board,
The effect played insulating noise and protect base conductor not damaged.
The master board is the PCB integrated circuit board powered by 3-12V power supply system two-phase, and the circuit board is using encryption
Chip design, effectively prevent internal processes information to be stolen；The main control loop power supply of switch equally uses bidirectional power supply.
The present invention is adjusted by the system of electronics and mechanical structure, can power distribution between balanced three phase mains, reach
The problem of improving power utilization efficiency, improving three-phase alternating-current supply alternate unbalanced power.
The present invention increases damping cushion and guideway on the basis of original electromagnetic switch, so that electromagnetic switch motion noise
Lower, kinematic accuracy is higher, and mechanical performance is more preferable；The present invention is by increasing sealed bolster between bottom case, upper casing and terminal cover
With damping cushion, sound attenuation groove is arranged in bottom case, and honeycomb sound-absorbing structure is arranged in gusset piece, and it is soft that damping is arranged in static contact periphery
Pad, can substantially reduce product noise；Dynamic/static contact is changed to double silver point structures, enhances arc quenching effect and current-carrying capability, static contact
It is changed to integrated punching structure, increases reliability of structure and durability；Invention increases separating brake handle mechanisms, can be right
Switch contact division situation carries out specific physics instruction, improves the safety that switch uses；Present invention love very much position switch
Structure is changed to mechanical contact switch by original Hall sensor switch, and divide-shut brake signal acquisition is more accurate reliable；Major loop
Incoming line structure be changed to annealed copper wire connection, mounting process is easier for manufacture, cost is lower；Present invention improves over guide rods and armature
Connection structure, riveting is changed to by original threaded connection, so that connection structure is more firm, connection geometric accuracy is more
It is high；Present invention improves over guide rod structures, and guide rod is changed to be slidably connected with original be fixedly connected of moving contact, so that installation is more
It is convenient.
The configuration of the present invention is simple is reasonable, and product noise is small, and arc extinction performance is good, and mechanical performance is good, movement mechanism reliability and
Accuracy is high, is suitable for processing and manufacturing and batch production.
(4) Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is external axis side structure schematic diagram of the invention；
Fig. 2 is schematic view of the front view shown in FIG. 1；
Fig. 3 is the structural schematic diagram that the present invention removes terminal cover；
Fig. 4 is the structural schematic diagram that the present invention removes terminal cover, upper casing；
Fig. 5 is the structural schematic diagram that the present invention removes upper casing, circuit board；
Fig. 6 is schematic view of the front view shown in fig. 5；
Fig. 7 is the structural schematic diagram of brake separating mechanism；
Fig. 8 is that the present invention removes the structural schematic diagram after upper casing, circuit board, mistake proofing latch system；
Fig. 9 is schematic view of the front view shown in Fig. 8；
Figure 10 is the schematic view of the mounting position of position switch；
Figure 11 is the structure schematic diagram that the present invention removes insulation board；
Figure 12 is the structural schematic diagram of mistake proofing latch system；
Figure 13 is the structural schematic diagram for removing the mistake proofing latch system of rightmost side gusset piece；
Figure 14 is schematic view of the front view shown in Figure 13；
Figure 15 is the face A-A diagrammatic cross-section shown in Figure 13；
Figure 16 is the face B-B diagrammatic cross-section shown in Figure 13；
Figure 17 is the structural schematic diagram of electromagnetic switch and guide rod；
Figure 18 is the schematic diagram of the section structure shown in Figure 17；
Figure 19 is the schematic diagram of the section structure of guide rod and moving contact；
Figure 20 is the structural schematic diagram of tripping guide rod；
Figure 21 is the structural schematic diagram of locking slide plate；
Figure 22 is the structural schematic diagram of mistake proofing slide plate；
Figure 23 is the structural schematic diagram of static contact.
In figure, 1 terminal cover, 2 upper casings, 3 bottom cases, 4 separating brake handles, 5 debugging keys, 6 reset keys, 7 display screens, 8 instructions
Lamp, 9 display control boards, 10 master boards, 11 insulation boards, 12 ends of incoming cables N, 13 ends of incoming cables L1,14 ends of incoming cables L2,15 L3 into
Line end, 16 zero terminals, 17 fire line terminals, 18 tripping electromagnetic switch, 19 commutation electromagnetic switch, 20 mistake proofing latch systems, 21 points
Brake mechanism, 22 commutation guide rods, 23 dynamic slides, 24 moving contacts, 25 static contacts, 26 current transformers, 27 tripping guide rods, 28 sealings
Cushion, 29 test interfaces, 30 USB read-write interfaces, 31 485 external interfaces, 32 armature, 33 armature positioning sleeves, 34 reset springs,
35 backhaul damping springs, 36 gusset pieces, 37 mistake proofing slide plates, 38 locking slide plates, 3801 inclined-planes L1,3802 inclined-planes L2,3803 L3
Inclined-plane, 3804 L1 locking mouths, 3805 L2 locking mouths, 3806 L3 locking mouths, 3807 L1 guide supports, 3808 L2 guiding branch
Support, 3809 L3 guide supports, 3810 tripping inclined-planes, 39 is copper-based, 40 silver points, 41 guide rod position switch, 42 handling positions switch,
43 mandrils, 44 pressing plates, 45 shafts, 46 arc-extinguish chambers.
(5) specific embodiment
Attached drawing is a kind of specific embodiment of the invention.The embodiment includes the shell being composed of upper casing 2 and bottom case 3, on
It is provided between shell 2 and bottom case 3 and the circuit board formed is superimposed by display control board 9, master board 10 and about 11 insulation board, on
Separating brake handle 4 is set on shell 2 and terminal cover 1,3 top of bottom case are disposed with the end of incoming cables N 12, the end of incoming cables L1 from left to right
13, the end of incoming cables L2 14 and the end of incoming cables L3 15,3 bottom end of bottom case are provided with zero terminal 16 and fire line terminal 17；It is provided in bottom case 3
The tripping electromagnetic switch 18 of the corresponding end of incoming cables N 12 respectively corresponds the end of incoming cables L1 13, the end of incoming cables L2 14, three of the end of incoming cables L3 15
Arranged side by side commutation electromagnetic switch 19, positioned at 18 lower section of tripping electromagnetic switch mistake proofing latch system 20 and be located at mistake proofing latch system
20 lower sections and the brake separating mechanism 21 for connecting separating brake switch 4；The armature end of commutation electromagnetic switch 19 is connected with commutation guide rod 22, changes
22 end of phase guide rod connects the moving contact 24 being mounted on dynamic head slide 23, is correspondingly provided with static contact 25 below moving contact 24, quiet
Contact 25 connects fire line terminal 17 by conducting wire；The end of incoming cables N 12 is connect by conducting wire with zero terminal 16, the end of incoming cables L1 13, L2
End of incoming cables 14, the end of incoming cables L3 15 are separately connected moving contact 24, and current transformer 26 is installed on zero curve；The rank for the electromagnetic switch 18 that trips
Iron end is connected with tripping guide rod 27；The end of incoming cables N 12, the end of incoming cables L1 13, the end of incoming cables L2 14, the end of incoming cables L3 15, commutation electromagnetism are opened
It closes 19, tripping electromagnetic switch 18, display control board 9, current transformer 26 and is separately connected master board 10.
For the display control board 9 on upper casing 2, display control board 9 includes display screen 7, indicator light 8, debugging 5 and of key
Reset key 6, wherein debugging key 5 includes that confirmation key, mode selection button, L1 combined floodgate key, L2 combined floodgate key and L3 are closed
Lock key；It is provided with mounting hole at two in the terminal cover 1, and is provided with threading groove on one side；It is set below terminal cover 1
It is equipped with 29, two USB read-write interfaces 30 of test interface and 485 external interfaces 31 of connection master board 10；The jump
Lock electromagnetic switch 18 is identical with 19 structure of commutation electromagnetic switch, is suction type electromagnet, including be placed in wound around coil in cage
Armature 32, be provided with armature positioning sleeve 33 on armature 32 and reset spring 34 and backhaul damping spring be respectively set at both ends
35。
The mistake proofing latch system 20 includes three gusset pieces 36 connected side by side, and gusset piece 36 is equipped with fixed space,
Fixed space is disposed with mistake proofing slide plate 37 and locking slide plate 38 from inside to outside, and 38 top of locking slide plate is successively equal from left to right
It is even to be distributed in tripping inclined-plane 3810, the inclined-plane L1 3801, the inclined-plane L2 3802 and the inclined-plane L3 3803, the inclined-plane L1 3801, the inclined-plane L2 3802
L1 locking mouth 3804, L2 locking mouth 3805 and L3 locking mouth 3806 are respectively arranged below with the inclined-plane L3 3803；The inclined-plane L1 3801 with
Trip and be equipped with L1 guide support 3807 between inclined-plane 3810 at tripping inclined-plane 3810, the inclined-plane L2 3802 and the inclined-plane L1 3801 it
Between L2 guide support 3808 is equipped at the inclined-plane L1 3801, close to the inclined-plane L2 3802 between the inclined-plane L3 3803 and the inclined-plane L2 3802
Place is equipped with L3 guide support 3809；L1 guide support 3807, L2 guide support 3808 are cased with cunning on L3 guide support 3809 respectively
Piece reset spring；Locking slide plate 38 is overall structure, and mistake proofing slide plate 37 is between the inclined-plane L1 3801 and the inclined-plane L3 3803
Bulge-structure is provided on the binding face of two pieces of symmetrical structures, mistake proofing slide plate 37 and locking slide plate 38.
A conducting wire and master control are drawn in the end of incoming cables N 12, the end of incoming cables L1 13, the end of incoming cables L2 14, the end of incoming cables L3 15 respectively
Making sheet 10 connects；Zero curve, L1 inlet wire, L2 inlet wire, L3 inlet wire are through 3 back cabling of bottom case, the leading-out terminal and bottom case 3 of firewire and zero curve
Between fill sound insulaton material, zero curve end of incoming cables and leading-out terminal, the end of incoming cables L1 13, the end of incoming cables L2 14, the end of incoming cables L3 15 and dynamic
It is connected between contact 24 by annealed copper wire；Current transformer 26 is set to 3 back side of bottom case；The moving contact 24 is double contact structure,
It includes the silver point 40 being welded on copper-based 39, and copper-based 39 are connect by rivet with dynamic head slide 23, and dynamic head slide 23, which is caught in, to be changed
It is slidably connected in the sliding slot of phase guide rod 22 with commutation guide rod 22；Static contact 25 is integrated double contact structure, including is welded on copper
Six silver points 40 on base 39.
22 lower end of commutation guide rod is equipped with sliding slot and limit fastener, and limit fastener and commutation guide rod 22 rivet；The jump
The guide rod position switch 41 being fixed on bottom case 3, brake separating mechanism 21 are provided in lock electromagnetic switch 18 and commutation electromagnetic switch 19
On be provided with the handling position switch 42 for being fixed on upper casing 2.The brake separating mechanism 21 includes the lock of connection mistake proofing latch system 20
The mandril 43 of slip limiting plate 38 installation pressing plate 44 and connects the reset spring of shaft 45 on mandril 43, and upper casing 2 is stretched out in the connection of shaft 45
Inclined-plane, be provided with separating brake handle 4 on inclined-plane；The moving contact 24 and 25 surrounding of static contact are surrounded by arc-extinguish chamber 46.
Between the upper casing 2 and bottom case 3, the top of the end of incoming cables the N end of incoming cables the 12/L1 end of incoming cables the 13/L2 end of incoming cables 14,/L3 15,
Sealed bolster is provided between separating brake handle 4 and upper casing 2, between tripping 18/ commutation electromagnetic switch 19 of electromagnetic switch and bottom case 3
28 and damping sound insulation cushion；Labyrinth type denoising structure is provided on bottom case 3, the gusset piece 36 of mistake proofing latch system 20 uses honeycomb
Formula denoising structure and it is provided with damping cushion；25 periphery of static contact is isolated using cushion, and 3 back side of bottom case is equipped with insulation board；Institute
Stating master board 10 is the PCB integrated circuit board powered by 3-12V power supply system two-phase.
In commutation process, the armature 32 of tripping electromagnetic switch 18 first is moved, and drives tripping guide rod 27 to move down, tripping is led
Bar 27 pushes locking slide plate 38 to be moved to right-most position, and the guide rod 27 that then trips is with current commutation guide rod 22 in reset spring 34
Initial position is returned back under thrust, the current moving contact 24 that phase is connected and static contact 25 separate.Pole after breaking coil energization
In short time, the commutation coil that phase is connected in target is powered, and the armature 32 of corresponding commutation electromagnetic switch 19 moves downward, and drives phase
The commutation guide rod 22 answered moves downward, and realizes that moving contact 24 is combined with static contact 25, completes moving contact 24 and static contact 25 is closed
Later, locking slide plate 38 is fixed in corresponding locking mouth.Under the action of mistake proofing slide plate 37, L1/L2/L3 three-phase is at most only
The moving contact 24 and static contact 25 for having a phase are connected.
In mistake proofing latch system 20 of the invention, mistake proofing slide plate 37 and locking slide plate 38 are positioned at the fixed empty of gusset piece 36
Interior side-to-side movement is played the role of preventing phase fault and positioning tripping guide rod 37 and commutation guide rod 22；I.e. in L1/L2/L3
In any two-phase handoff procedure of three-phase, it is mutually in the conductive state only to allow therein one, or be in because all phase lines of failure are equal
The state being not turned on.
The present invention is after completing the installation of inlet wire and outlet, firstly, separating brake handle 4 is pushed into closing position, switch enters
Auto-Sensing Mode, self-test is completed and after error-free false alarm, into automatic operating state.
When switch needs to adjust operating parameter, is adjusted by the key of display control board 9, corresponding parameter can be completed
Setting.
The present invention in the process of running, when master board 10 detects circuit overcurrent or over-voltage/under-voltage, jump by control
Lock electromagnetic switch 18 acts, and realizes trip operation；After troubleshooting/voltage restores normal, switch is according to the electric current detected
Or voltage condition, determine in L1/L2/L3 three-phase a certain is conducted.
In the present invention, including electronics mistake proofing and mechanical mistake proofing two parts, mistake proofing latch system 20 are mechanical mistake proofing part, electricity
Sub- mistake proofing part is to design related circuit in master board 10, so that only allowing 3 commutation electromagnetic switch within the same time
1 in 19 must be electric, or under separating brake shape body, all equal akinesias of electromagnetic switch avoid commutation process or maintenance process
Middle electromagnetic switch malfunction.
When needing inspection switch circuit downstream or in emergency circumstances needing to power off, then separating brake handle 4 is pulled manually, is made
Score brake lever hand 4 is located at open position, and handle pushes mandril 43 at this time, and mandril 43 pushes locking slide plate 38, so that current conducting
The moving contact 24 and static contact 25 of phase separate, switch trip.After maintenance is completed or emergency excludes, separating brake is pulled manually
Handle 4 is to closing position, and handling position switch 42 is opened a way at this time, and control system starts restarting, into normal operating conditions.
The present invention has many places sealed bolster 28 and damping cushion, is provided with sealed bolster between terminal cover 1 and upper casing 2
28, it is provided with sealed bolster 28 and sealing joint strip between upper casing 2 and bottom case 2, is provided with and subtracts between electromagnetic switch and bottom case 3
Shake cushion；There is muffling curve in 3 lower left quarter facility of bottom case；It is provided with and subtracts between the armature 32 and reset spring 34 of electromagnetic switch
Cushion is shaken, the other end of cage is equipped with backhaul damping spring 35, reduces vibrating noise when electromagnetic switch movement；In static contact 25
Around be provided with damping cushion, reduce moving contact 24 and vibrating noise when static contact 25 is closed.
The present invention is adjusted by the system of electronics and mechanical structure, can power distribution between balanced three phase mains, reach
The problem of improving power utilization efficiency, improving three-phase alternating-current supply alternate unbalanced power；Installation is more convenient, accurate, machine
Tool performance is more preferable, and noise is lower；Using display control board 9 and bottom plate double-layer structure, separate circuit board high-pressure and low-pressure of the present invention
Design, enhances the safety in utilization of master board 10；It had both been able to achieve and had manually controlled or can be real in switch commutation and trip operation
It now automatically controls, present invention control precision is higher, and better reliability, intelligence degree is higher and noise is smaller；The present invention can
Individually control tripping electromagnetic switch 18 and commutation electromagnetic switch 19, can control and adjust the actuation time of electromagnetic switch, from
And moving contact 24 and static contact 25 separation and time for combining when can control separating brake movement, so that moving contact 24 and quiet can be realized
Contact 25 realizes the function of zero crossing arc extinguishing, increases product reliability in the zero crossings disjunction or combination of ac power waveform
And service life；Invention increases sealing structures and damping sound-insulating structure, so that product is greatly reduced using noise；The present invention
Also there is the performance for preventing malfunction, stuck, phase fault, electric net overload well；In short, the present invention has increased electronic control newly
Display function, two kinds of mistake proofing modes of mechanical mistake proofing and electronics mistake proofing, automation, intelligence degree are higher, reliability and can operate
Property is more preferable；It is simpler, reasonable in terms of mechanical structure, reliability and installation accuracy are improved, reduces noise when use, more
Add suitable for processing and manufacturing and batch production.
Technical characteristic of the present invention without description can realize that details are not described herein by or using the prior art, certainly,
Above-mentioned specific embodiment is not limitation of the present invention, and the present invention is also not limited to above-mentioned specific embodiment, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made within the essential scope of the present invention should also be fallen into
In protection scope of the present invention.
Claims (10)
1. a kind of intelligence phase-change switch, including the shell being composed of upper casing (2) and bottom case (3), upper casing (2) and bottom case (3)
Between be provided with the circuit board formed, upper casing be superimposed by display control board (9), master board (10) and insulation board (11) up and down
(2) separating brake handle (4) and terminal cover (1) are set on, it is characterised in that: bottom case (3) top is disposed with N from left to right
End of incoming cables (12), the end of incoming cables L1 (13), the end of incoming cables L2 (14) and the end of incoming cables L3 (15), bottom case (3) bottom end are provided with zero terminal
(16) and fire line terminal (17)；It is provided with the tripping electromagnetic switch (18) of the corresponding end of incoming cables N (12) in bottom case (3), respectively corresponds
The end of incoming cables L1 (13), three of the end of incoming cables L3 (15) commutation electromagnetic switch (19) arranged side by side, is located at tripping electromagnetism at the end of incoming cables L2 (14)
It switchs the mistake proofing latch system (20) below (18) and is located at below mistake proofing latch system (20) and connects separating brake switch (4)
Brake separating mechanism (21)；Armature (32) end of commutation electromagnetic switch (19) is connected with commutation guide rod (22), commutation guide rod (22) end
Portion connects the moving contact (24) being mounted on dynamic head slide (23), is correspondingly provided with static contact (25), stationary contact below moving contact (24)
Head (25) connects fire line terminal (17) by conducting wire；The end of incoming cables N (12) is connect by conducting wire with zero terminal (16), the end of incoming cables L1
(13), the end of incoming cables L2 (14), the end of incoming cables L3 (15) are separately connected moving contact (24), and current transformer (26) are installed on zero curve；It jumps
The armature end of lock electromagnetic switch (18) is connected with tripping guide rod (27)；The end of incoming cables N (12), the end of incoming cables L1 (13), the end of incoming cables L2
(14), the end of incoming cables L3 (15), commutation electromagnetic switch (19), tripping electromagnetic switch (18), display control board (9), current transformer
(26) master board (10) are separately connected.
2. intelligence phase-change switch according to claim 1, it is characterised in that: the display control board (9) is embedded in upper casing (2)
On, display control board (9) includes display screen (7), indicator light (8), debugging key (5) and reset key (6), wherein debugging key
It (8) include confirmation key, mode selection button, L1 combined floodgate key, L2 combined floodgate key and L3 combined floodgate key.
3. intelligence phase-change switch according to claim 1, it is characterised in that: be provided at two and pacify on the terminal cover (1)
Hole is filled, and is provided with threading groove on one side；The test interface of connection master board (10) is provided with below terminal cover (1)
(29), two USB read-write interfaces (30) and 485 external interface (31)；Master board (10) is by 3-12V power supply system
The PCB integrated circuit board of two-phase power supply.
4. intelligence phase-change switch according to claim 1, it is characterised in that: the tripping electromagnetic switch (18) and commutation electricity
Magnetic switch (19) structure is identical, is suction type electromagnet, the armature (32) including being placed in wound around coil in cage, armature (32)
On be provided with armature positioning sleeve (33) and reset spring (34) and backhaul damping spring (35) be respectively set at both ends.
5. intelligence phase-change switch according to claim 1, it is characterised in that: the mistake proofing latch system (10) includes arranged side by side
Three gusset pieces (36) of connection, gusset piece (36) are equipped with fixed space, and fixed space is disposed with mistake proofing from inside to outside
Slide plate (37) and locking slide plate (38), locking slide plate (38) top be successively uniformly distributed in from left to right tripping inclined-plane (3810),
The inclined-plane L1 (3801), the inclined-plane L2 (3802) and the inclined-plane L3 (3803), the inclined-plane L1 (3801), the inclined-plane L2 (3802) and the inclined-plane L3
(3803) L1 locking mouth (3804), L2 locking mouth (3805) and L3 locking mouth (3806) are respectively arranged below with；The inclined-plane L1 (3801)
L1 guide support (3807), the inclined-plane L2 (3802) and L1 are equipped at tripping inclined-plane (3810) between tripping inclined-plane (3810)
L2 guide support (3808) are equipped at the inclined-plane L1 (3801) between inclined-plane (3801), the inclined-plane L3 (3803) and the inclined-plane L2
(3802) L3 guide support (3809) are equipped at the inclined-plane L2 (3802) between；L1 guide support (3807), L2 guide support
(3808), it is cased with slide plate reset spring respectively on L3 guide support (3809)；Locking slide plate (38) is overall structure, mistake proofing slide plate
It (37) is two pieces of symmetrical structures between the inclined-plane L1 (3801) and the inclined-plane L3 (3803), mistake proofing slide plate (37) and locking slide plate
(38) bulge-structure is provided on binding face.
6. intelligence phase-change switch according to claim 1, it is characterised in that: the end of incoming cables N (12), the end of incoming cables L1
(13), the end of incoming cables L2 (14), the end of incoming cables L3 (15) are drawn a conducting wire respectively and are connect with master board (10)；Zero curve, L1 inlet wire,
L2 inlet wire, L3 inlet wire fill sound insulaton material through bottom case (3) back cabling between the leading-out terminal and bottom case (3) of firewire and zero curve
Material, between zero curve end of incoming cables and leading-out terminal, the end of incoming cables L1 (13), the end of incoming cables L2 (14), the end of incoming cables L3 (15) and moving contact (24)
It is connected by annealed copper wire；Current transformer (26) is set to bottom case (3) back side.
7. intelligence phase-change switch according to claim 1, it is characterised in that: the moving contact (24) is double contact structure,
It includes the silver point (40) being welded on copper-based (39), and copper-based (39) are connect with dynamic head slide (23) by rivet, move head slide
(23) it is caught in the sliding slot of commutation guide rod (22) and is slidably connected with commutation guide rod (22)；Static contact (25) is integrated double-contact knot
Structure, including six silver points (40) being welded on copper-based (39)；Commutation guide rod (22) lower end is equipped with sliding slot and limit fastener, limit
Buckle is riveted with commutation guide rod (22)；Moving contact (24) and static contact (25) surrounding are surrounded by arc-extinguish chamber (46).
8. intelligence phase-change switch according to claim 1, it is characterised in that: the tripping electromagnetic switch (18) and commutation electricity
The guide rod position switch (41) being fixed on bottom case (3) is provided on magnetic switch (19), brake separating mechanism is provided with fixation on (21)
(42) are switched in the handling position of upper casing (2).
9. intelligence phase-change switch according to claim 1, it is characterised in that: the brake separating mechanism (21) includes connection mistake proofing
The mandril (43) of the locking slide plate (38) of latch system (20), installation pressing plate (44) and connection shaft (45) answers on mandril (43)
Position spring, shaft (45) connection stretch out the inclined-plane of upper casing (2), are provided with separating brake handle (4) on inclined-plane.
10. intelligence phase-change switch according to claim 1, it is characterised in that: between the upper casing (2) and bottom case (3), N
Above end of incoming cables (the 12)/end of incoming cables L1 (13)/end of incoming cables L2 (the 14)/end of incoming cables L3 (15), separating brake handle (4) and upper casing (2) it
Between, be provided between tripping electromagnetic switch (18)/commutation electromagnetic switch (19) and bottom case (3) sealed bolster (28) and damping every
Sound cushion；Labyrinth type denoising structure is provided on bottom case (3), the gusset piece (36) of mistake proofing latch system (20) is using cellular drop
Structure of making an uproar and it is provided with damping cushion；Static contact (25) periphery is isolated using cushion, and bottom case (3) back side is equipped with insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843129.7A CN109038621A (en) | 2018-07-27 | 2018-07-27 | A kind of intelligence phase-change switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843129.7A CN109038621A (en) | 2018-07-27 | 2018-07-27 | A kind of intelligence phase-change switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109038621A true CN109038621A (en) | 2018-12-18 |
Family
ID=64647132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810843129.7A Pending CN109038621A (en) | 2018-07-27 | 2018-07-27 | A kind of intelligence phase-change switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038621A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112759A (en) * | 2019-05-20 | 2019-08-09 | 浙江蓝嘉电力科技有限公司 | Phase-change switch type three-phase imbalance administers intelligent apparatus |
| CN111063583A (en) * | 2019-12-31 | 2020-04-24 | 宁波市全盛壳体有限公司 | Phase-change switch |
| CN114694987A (en) * | 2022-04-12 | 2022-07-01 | 南方电网调峰调频发电有限公司 | Intensive phase change switch |
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| CN101510474A (en) * | 2009-03-18 | 2009-08-19 | 东南大学 | Rapid response permanent magnet control mechanism |
| CN206076072U (en) * | 2016-08-31 | 2017-04-05 | 三实电器(漳州)有限公司 | A kind of reliable and stable limit switch |
| CN206819953U (en) * | 2017-04-26 | 2017-12-29 | 秦传勇 | Intelligent phase-change switch |
| CN107559089A (en) * | 2017-09-30 | 2018-01-09 | 无锡法尔胜悦能动力有限公司 | A kind of small-sized high temperature resistant mute type diesel generating set |
| CN208738846U (en) * | 2018-07-27 | 2019-04-12 | 秦传勇 | A kind of intelligence phase-change switch |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510474A (en) * | 2009-03-18 | 2009-08-19 | 东南大学 | Rapid response permanent magnet control mechanism |
| CN206076072U (en) * | 2016-08-31 | 2017-04-05 | 三实电器(漳州)有限公司 | A kind of reliable and stable limit switch |
| CN206819953U (en) * | 2017-04-26 | 2017-12-29 | 秦传勇 | Intelligent phase-change switch |
| CN107559089A (en) * | 2017-09-30 | 2018-01-09 | 无锡法尔胜悦能动力有限公司 | A kind of small-sized high temperature resistant mute type diesel generating set |
| CN208738846U (en) * | 2018-07-27 | 2019-04-12 | 秦传勇 | A kind of intelligence phase-change switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112759A (en) * | 2019-05-20 | 2019-08-09 | 浙江蓝嘉电力科技有限公司 | Phase-change switch type three-phase imbalance administers intelligent apparatus |
| CN111063583A (en) * | 2019-12-31 | 2020-04-24 | 宁波市全盛壳体有限公司 | Phase-change switch |
| CN114694987A (en) * | 2022-04-12 | 2022-07-01 | 南方电网调峰调频发电有限公司 | Intensive phase change switch |
| CN114694987B (en) * | 2022-04-12 | 2024-01-23 | 南方电网调峰调频发电有限公司 | Intensive phase change switch |
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