CN208738846U - A kind of intelligence phase-change switch - Google Patents

A kind of intelligence phase-change switch Download PDF

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Publication number
CN208738846U
CN208738846U CN201821203888.9U CN201821203888U CN208738846U CN 208738846 U CN208738846 U CN 208738846U CN 201821203888 U CN201821203888 U CN 201821203888U CN 208738846 U CN208738846 U CN 208738846U
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CN
China
Prior art keywords
incoming cables
plane
bottom case
commutation
electromagnetic switch
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Expired - Fee Related
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CN201821203888.9U
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Chinese (zh)
Inventor
秦峥
刘保华
李勇
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Heze Zhengyan Power Technology Co ltd
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Individual
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/50Arrangements for eliminating or reducing asymmetry in polyphase networks

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Abstract

The utility model 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 utility model is simple and 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

A kind of intelligence phase-change switch
(1) technical field
The utility model 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 Difference in magnitude is more than prescribed limit.Three-phase imbalance will cause route, the electric energy loss of distribution transformer increases, and distribution transforming power 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 far 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, 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
The utility model in order to make up for the deficiencies of the prior art, provide it is a kind of it is simple and reasonable, noise is small, performance is steady Determine, suitable for the intelligent phase-change switch of batch production.
The utility model is achieved by the following technical solution:
It is a kind of intelligence phase-change switch be provided between upper casing and bottom case including the shell being composed of upper casing and bottom case The circuit board formed is superimposed by display control board, master board and insulation board up and down, 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, right respectively of the corresponding end of incoming cables N is provided in bottom case Answer the end of incoming cables L1, the end of incoming cables L2, three of the end of incoming cables L3 commutation electromagnetic switch arranged side by side, the mistake proofing below tripping electromagnetic switch Latch system and below mistake proofing latch system and connect the brake separating mechanism of separating brake switch;The armature end of commutation electromagnetic switch Portion 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 below moving contact Static contact, 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 into Line 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 Trip 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 Making sheet, current transformer are separately connected master board.
The utility model 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 controlled by independent commutation electromagnetic switch, for guarantee commutation electromagnetic switch and trip electromagnetic switch stable operation, Design is mounted with the mistake proofing latch system for control, and is realized by the external separating brake handle with upper casing surface and pass through separating brake machine The control of structure and mistake proofing latch system.
The more excellent technical solution of the utility model are as follows:
On upper casing, display control board includes display screen, work light, debugging key and answers the display control board Position key, wherein debugging key includes that confirmation key, mode selection button, L1 combined floodgate key, L2 combined floodgate key and L3 combined floodgate are pressed 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.
The utility model uses noise reducing structure, can substantially reduce switch noise;Between the upper casing and bottom case, N into Above the line end/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 electromagnetism It is provided with sealed bolster and damping sound insulation cushion between switch and bottom case, for reducing switch noise;Fan is provided on bottom case The gusset piece of palace formula denoising structure, mistake proofing latch system using cellular denoising structure and is provided with damping cushion;Static contact week Side is isolated using cushion, and static contact vibration and noise is avoided directly to pass 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 utility model is adjusted by the system of electronics and mechanical structure, can power distribution between balanced three phase mains, The problem of reaching and improve power utilization efficiency, improving three-phase alternating-current supply alternate unbalanced power.
The utility model increases damping cushion and guideway on the basis of original electromagnetic switch, so that electromagnetic switch moves Noise is lower, and kinematic accuracy is higher, and mechanical performance is more preferable;The utility model between bottom case, upper casing and terminal cover by increasing Sound attenuation groove is arranged in sealed bolster and damping cushion, bottom case, and honeycomb sound-absorbing structure is arranged in gusset piece, and static contact periphery is set Damping cushion is set, product noise can be substantially reduced;Dynamic/static contact is changed to double silver point structures, enhances arc quenching effect and current-carrying energy Power, static contact are changed to integrated punching structure, increase reliability of structure and durability;The utility model increases separating brake handle Mobile phone structure can carry out specific physics instruction to switch contact division situation, improve the safety that switch uses;This is practical new Type love very much position switch structure is changed to mechanical contact switch, divide-shut brake signal acquisition by original Hall sensor switch It is more accurate reliable;The incoming line structure of major loop is changed to annealed copper wire connection, and manufacture mounting process is easier, cost is lower;This reality With the connection structure of novel improved guide rod and armature, riveting is changed to by original threaded connection, so that connection structure is more It is firm to add, and connection geometric accuracy is higher;The utility model improves guide rod structure, by guide rod with moving contact is original is fixedly connected It is changed to be slidably connected, so that easier for installation.
The utility model is simple and reasonable, and product noise is small, and arc extinction performance is good, and mechanical performance is good, and movement mechanism is reliable Property and accuracy it is high, be suitable for processing and manufacturing and batch production.
(4) Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the external axis side structure schematic diagram of the utility model;
Fig. 2 is schematic view of the front view shown in FIG. 1;
Fig. 3 is the structural schematic diagram that the utility model removes terminal cover;
Fig. 4 is the structural schematic diagram that the utility model removes terminal cover, upper casing;
Fig. 5 is the structural schematic diagram that the utility model 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 utility model 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 utility model 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 utility model.The embodiment includes being composed of upper casing 2 and bottom case 3 Shell is provided between upper casing 2 and bottom case 3 and is superimposed the electricity formed by display control board 9, master board 10 and about 11 insulation board Road plate, is arranged separating brake handle 4 and terminal cover 1 on upper casing 2,3 top of bottom case be disposed with from left to right the end of incoming cables N 12, The end of incoming cables L1 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;Bottom case 3 It is inside provided with 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, the end of incoming cables L3 The commutation electromagnetic switch 19 arranged side by side of three of 15, positioned at tripping electromagnetic switch 18 lower section mistake proofing latch system 20 and be located at mistake proofing 20 lower section of latch system 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 22,22 end of commutation guide rod connect the moving contact 24 being mounted on dynamic head slide 23, are correspondingly provided with below moving contact 24 quiet Contact 25, static contact 25 connect fire line terminal 17 by conducting wire;The end of incoming cables N 12 is connect by conducting wire with zero terminal 16, L1 into Line end 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 is installed on zero curve;Trip electromagnetism The armature end of 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 are 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 the mistake proofing latch system 20 of the utility model, mistake proofing slide plate 37 and locking slide plate 38 are positioned at consolidating for gusset piece 36 Determine side-to-side movement in space, plays the role of preventing phase fault and positioning tripping guide rod 37 and commutation guide rod 22;I.e. in L1/ In any two-phase handoff procedure of L2/L3 three-phase, it is mutually in the conductive state only to allow therein one, or in because of all phases of failure The state that line is not turned on.
The utility model is after completing the installation of inlet wire and outlet, firstly, separating brake handle 4 is pushed into closing position, switchs Into 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 utility model in the process of running, when master board 10 detects circuit overcurrent or over-voltage/under-voltage, control System tripping electromagnetic switch 18 acts, and realizes trip operation;After troubleshooting/voltage restores normal, switch basis is detected Current or voltage situation, determine in L1/L2/L3 three-phase a certain is conducted.
In the utility model, including electronics mistake proofing and mechanical mistake proofing two parts, mistake proofing latch system 20 are mechanical mistake proofing portion Point, electronics mistake proofing part is to design related circuit in master board 10, so that only allowing 3 commutation electromagnetism within the same time 1 in switch 19 must be electric, or under separating brake shape body, all equal akinesias of electromagnetic switch avoid commutation process or maintenance Electromagnetic switch malfunctions in the process.
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 utility model has many places sealed bolster 28 and damping cushion, and sealing is provided between terminal cover 1 and upper casing 2 Cushion 28, is provided with sealed bolster 28 and sealing joint strip between upper casing 2 and bottom case 2, is arranged between electromagnetic switch and bottom case 3 There is damping cushion;There is muffling curve in 3 lower left quarter facility of bottom case;It is arranged between the armature 32 and reset spring 34 of electromagnetic switch There is damping cushion, the other end of cage is equipped with backhaul damping spring 35, reduces vibrating noise when electromagnetic switch movement;In stationary contact Damping cushion is provided with around first 25, vibrating noise when reducing moving contact 24 and the closure of static contact 25.
The utility model is adjusted by the system of electronics and mechanical structure, can power distribution between balanced three phase mains, The problem of reaching and improve power utilization efficiency, improving three-phase alternating-current supply alternate unbalanced power;Installation is more convenient, smart Really, mechanical performance is more preferable, and noise is lower;Using display control board 9 and bottom plate double-layer structure, make the utility model circuit board high pressure Low pressure separate design enhances the safety in utilization of master board 10;Manual control had both been able to achieve in switch commutation and trip operation System is also able to achieve automatics control, and the utility model control precision is higher, better reliability, intelligence degree is higher and noise more It is small;The utility model can individually control tripping electromagnetic switch 18 and commutation electromagnetic switch 19, can control and adjust electromagnetism The actuation time of switch, the time of moving contact 24 and static contact 25 separation and combination when so as to control separating brake movement, thus Moving contact 24 and static contact 25 can be achieved in the zero crossings disjunction or combination of ac power waveform, realize the function of zero crossing arc extinguishing Can, increase product reliability and service life;The utility model increases sealing structure and damping sound-insulating structure, so that product It is greatly reduced using noise;The utility model also has the property for preventing malfunction, stuck, phase fault, electric net overload well Energy;In short, the utility model has increased electronic control display function newly, two kinds of mistake proofing modes of mechanical mistake proofing and electronics mistake proofing, automatically Change, intelligence degree are higher, and reliability and operability are more preferable;It is simpler, reasonable in terms of mechanical structure, improve reliability And installation accuracy, noise when use is reduced, is more suitable for fabricating and produce in batches.
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 limitations of the present invention, 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 protection scope of the utility model.

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 handle (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 (5) 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 (20) 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.
CN201821203888.9U 2018-07-27 2018-07-27 A kind of intelligence phase-change switch Expired - Fee Related CN208738846U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109038621A (en) * 2018-07-27 2018-12-18 秦传勇 A kind of intelligence phase-change switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109038621A (en) * 2018-07-27 2018-12-18 秦传勇 A kind of intelligence phase-change switch

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Effective date of registration: 20200811

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.

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Patentee before: Qin Chuanyong

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