CN110444449A - A kind of moving contact linkage mechanism and threephase switch with brake-dividing locking mechanism - Google Patents
A kind of moving contact linkage mechanism and threephase switch with brake-dividing locking mechanism Download PDFInfo
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- CN110444449A CN110444449A CN201910186993.9A CN201910186993A CN110444449A CN 110444449 A CN110444449 A CN 110444449A CN 201910186993 A CN201910186993 A CN 201910186993A CN 110444449 A CN110444449 A CN 110444449A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 130
- 230000003068 static effect Effects 0.000 claims abstract description 49
- 230000000171 quenching effect Effects 0.000 claims abstract description 41
- 238000010791 quenching Methods 0.000 claims abstract description 40
- 238000012360 testing method Methods 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000005291 magnetic effect Effects 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 15
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 14
- 230000005389 magnetism Effects 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 39
- 229910052802 copper Inorganic materials 0.000 claims description 39
- 239000010949 copper Substances 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 17
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- 238000009434 installation Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010891 electric arc Methods 0.000 abstract description 12
- 230000008033 biological extinction Effects 0.000 abstract description 2
- 241000288140 Gruiformes Species 0.000 description 30
- 238000010586 diagram Methods 0.000 description 9
- 238000007664 blowing Methods 0.000 description 3
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- 239000002923 metal particle Substances 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
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- 238000007789 sealing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/121—Protection of release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
-
- 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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
- H01H2071/328—Electromagnetic mechanisms having permanently magnetised part using a spring for having minimal force on armature while maximal force on trip pin
Abstract
The invention discloses a kind of moving contact linkage mechanisms and threephase switch with brake-dividing locking mechanism.The moving contact of the threephase switch is the moving contact linkage mechanism driven by permanent magnet mechanism, including permanent magnet mechanism, crane, interlocking bar, moving contact, handle, brake-dividing locking mechanism, position indicating device, contact position testing agency, handle position testing agency.The dynamic iron core of permanent magnet mechanism is built-in with spring.Handle, brake-dividing locking mechanism, position indicating device, handle position testing agency surround interlocking bar setting.Structure of the invention is exquisite, compared with the prior art, the moving contact linkage mechanism size greatly reduced, and and then greatly reduce the size of similar threephase switch.In addition, the remanent magnetism property of static contact of the invention by ferromagnetic magnetic conductance plate, realizes magnetic quenching, and combine the electric arc step effect and gas blast arc-quenching of arc guide part, so that threephase switch of the invention has extraordinary arc extinction performance, can be completed in a short time extinguishing arc.
Description
Technical field
The present invention relates to threephase switch or breakers, in particular to by the breaker of the three-phase ganged of permanent magnet mechanism driving.
Background technique
Under the prior art, the threephase switch driven by permanent magnet mechanism is special since the problem of whole design causes size very big
It is not the installation and bistable state of spring in spring separating brake when bistable-state permanent magnet mechanism separating brake is under the scheme that spring separating brake combines
Permanent magnet mechanism is required to biggish space.In addition, existing threephase switch lacks the brake-dividing locking mechanism of mechanical system, it is easy
Show maloperation and closes a floodgate.In addition, the arc quenching effect of existing threephase switch is bad, cause switch performance bad.
Summary of the invention
Problem to be solved by this invention:
1, the larger-size problem of three-phase linked switch driven by permanent magnet mechanism.
2, existing threephase switch lacks the brake-dividing locking mechanism of mechanical system, is easy to appear false switching problem.
3, existing threephase switch arc quenching effect is bad.
To solve the above problems, the scheme that the present invention uses is as follows:
A kind of moving contact linkage mechanism with brake-dividing locking mechanism according to the present invention, including permanent magnet mechanism, crane, linkage
Bar, moving contact and brake-dividing locking mechanism；Permanent magnet mechanism and interlocking bar are installed on support frame in middle level；The dynamic iron core of permanent magnet mechanism
Crane is connected, crane is gone up and down under the driving of permanent magnet mechanism, and drives the dynamic of crane bottom installation in turn
Contact lifting；Interlocking bar is horizontally disposed and can surround horizontal axis rotation；The brake-dividing locking mechanism includes transmission snap-gauge
And connecting rod；The one end for being driven snap-gauge is set in interlocking bar, and the axle center of interlocking bar can be surrounded with the rotation of interlocking bar
It swings；The other end end of transmission snap-gauge is provided with self-locking bayonet；Connecting rod is horizontally arranged on crane；When crane declines
When, connecting rod can be caught in the self-locking bayonet of transmission snap-gauge end.
Further, the moving contact linkage mechanism according to the present invention with brake-dividing locking mechanism, the brake-dividing locking mechanism
It further include locking card convex and Lock spring plate；Locking card convex is mounted in interlocking bar；Lock spring plate can be under the effect of elasticity
Jacking upwards, and withstand in locking card convex.
Further, the moving contact linkage mechanism according to the present invention with brake-dividing locking mechanism, further includes position instruction machine
Structure；The position indicating device is used to indicate the jacking condition of crane and then indicates the switch closing and switch opening state of moving contact, packet
It is convex to include position instruction panel, position instruction bar and position instruction cunning；Position instruction panel is set to the top of position instruction bar；Position
The bottom end of indicating arm is mounted on spring swinging axle；Position instruction angled-lift splits are equipped among position instruction bar；Position instruction cunning is convex
It is arranged on crane；Position instruction angled-lift splits on position instruction bar are pressed in position instruction by spring swinging axle and slide on convex,
So that position instruction is sliding convex when going up and down with crane, can be slided along position instruction angled-lift splits.
Further, the moving contact linkage mechanism according to the present invention with brake-dividing locking mechanism further includes contact position inspection
Survey mechanism；The contact position testing agency be used for by detection crane jacking condition detection moving contact combined floodgate with
Gate-dividing state, including lifting detection column；Lifting detection column is mounted on crane, for the detection pair as photoelectrical coupler
As.
Further, the moving contact linkage mechanism according to the present invention with brake-dividing locking mechanism, further includes handle and handle
Position detecting mechanism；Handle is mounted in interlocking bar；The handle position testing agency is for detecting whether handle is in separating brake
State, including handle position detection plate and spring oscillating rod；Spring oscillating rod is installed on support frame in middle level by swinging axle, and
It can be swung around swinging axle；The end of spring oscillating rod is provided with the bearing of axle center level；Handle position detection plate bottom peace
Swing card convex is provided in interlocking bar, and in the bottom of handle position detection plate；Spring oscillating rod is acted on by spring
It is swung up, is swung in card convex so that the bearing of Spring Pendulum end part of movable rod is withstood on.
Further, the moving contact linkage mechanism according to the present invention with brake-dividing locking mechanism is provided in dynamic iron core perpendicular
Straight iron core spring cavity；Spring is provided in iron core spring cavity.
A kind of threephase switch according to the present invention, including shell, static contact mechanism and above-mentioned moving contact linkage mechanism；Institute
The crane for stating moving contact linkage mechanism includes lifting platform and lifting guide pillar；There are three lifting guide pillars, is mounted under lifting platform
Side；Moving contact is mounted on the bottom of lifting guide pillar by remainder stroke mechanism；Three lifting guide pillars are separately installed with three dynamic touchings
Head；Three moving contacts respectively correspond three-phase firewire；Three firewire contact pockets are provided on the shell；The static contact mechanism packet
Include three pairs of copper bar static contacts；Three pairs of copper bar static contacts and three moving contacts are respectively arranged in three firewire contact pockets；Copper bar stationary contact
Head is formed by copper bar bending, including interconnecting piece, guide part and stationary contact head；Interconnecting piece and stationary contact head level, and by vertical
Guide part be connected；Two copper bar static contacts of a pair of of copper bar static contact are oppositely arranged；Static contact portion is located at the lower section of interconnecting piece；
Two movable contacts at moving contact both ends are located at the lower section on two copper bar static contact stationary contact heads；Lifting guide pillar is held on two
Between two guide parts of copper bar static contact.
Further, threephase switch according to the present invention further includes arc quenching plate group；Arc quenching plate group is laminated by the arc quenching plate of U-shaped
It forms, has flank section；Firewire contact pocket is divided into two unilateral contact rooms by lifting guide pillar；It is led close to lifting unilateral contact room
Two inboard side edges of column are respectively arranged with partition, and two pieces of partitions construct two in two sides of unilateral contact room respectively and go out
Arcs side bayonet slot；Two flank sections of arc quenching plate group are respectively arranged in two arc quenching plate side bayonet slots.
Further, threephase switch according to the present invention, the inside of interconnecting piece, guide part and the bending of stationary contact head, along even
Socket part, guide part and stationary contact head are provided with ferromagnetic magnetic conductance plate.
Further, the both ends setting of threephase switch according to the present invention, moving contact has the first arc guide part respectively；Ferromagnetic magnetic conductance
Plate forms the second arc guide part along the ends bent on stationary contact head；First arc guide part is located at the lower section of the second arc guide part.
Technical effect of the invention is as follows:
1, handle, brake-dividing locking mechanism, position indicating device, handle position testing agency surround interlocking bar setting, so that whole
Body delicate structure, to greatly reduce the volume of global switch.
2, the brake-dividing locking mechanism of mechanical system avoids false switching problem.
3, static contact realizes magnetic quenching, and combine the electric arc rank of arc guide part by the remanent magnetism property of ferromagnetic magnetic conductance plate
The effect that jumps and gas blast arc-quenching can be completed in a short time so that threephase switch of the invention has extraordinary arc extinction performance
Extinguishing arc.
4, vertical iron core spring cavity is provided in the dynamic iron core of permanent magnet mechanism；It is provided with spring in iron core spring cavity, this
Kind mode substantially reduces the volume of threephase switch.
Detailed description of the invention
Fig. 1, Fig. 2, Fig. 3 are moving contact linkage mechanism and the different perspectives perspective view that static contact mechanism matches.
Fig. 4 is moving contact linkage mechanism and the transverse cross-sectional view for being driven snap-gauge part that static contact mechanism matches.
Fig. 5 is the working principle diagram for being driven snap-gauge.
Fig. 6 is moving contact linkage mechanism and the intermediate longitudinal sectional drawing that static contact mechanism matches.
The transverse cross-sectional view for the position instruction part that Fig. 7 is moving contact linkage mechanism and static contact mechanism matches.
Fig. 8 is the overall structure diagram of crane.
Fig. 9 is the structural schematic diagram of remainder stroke connecting plate.
The transverse cross-sectional view for the handle position detection part that Figure 10 is moving contact linkage mechanism and static contact mechanism matches.
Figure 11 is the overall structure diagram of threephase switch.
Figure 12 is that threephase switch hides the schematic diagram of internal structure after front shroud and second shell frame.
Figure 13 is the back structures schematic diagram that threephase switch hides first shell frame after back shroud.
Figure 14 is transverse cross-sectional view of the threephase switch along ignition line contact pocket center line.
Figure 15 is first shell frame schematic diagram of front three-dimensional structure.
Figure 16 is first shell frame the back side dimensional structure diagram.
Figure 17 is the structural schematic diagram of arc quenching plate group.
Wherein, 11 be front shroud, and 111 be display panel, and 112 be LED light, and 113 be switch indicating window, and 114 be hand
Handle window, 115 be handle lockhole, and 12 be back shroud, and 13 be first shell frame, and 131 be firewire contact pocket, and 1311 be lifting guiding
Slot, 1312 be partition, and 1313 be arc quenching plate side bayonet slot, and 1314 be unilateral contact room, and 1315 be useless grain storehouse, and 132 be zero curve connection
Slot, 133 be zero-sequence mutual inductance tank, and 134 be connector slot, and 135 be zero curve connector, and 136 be firewire connector, and 138 be arc quenching plate group,
1381 be arc quenching plate, and 1382 be flank section, and 1383 be arc quenching plate connecting plate, and 139 be gate hole plate, and 14 be second shell frame, 15
It is middle layer support frame, 21 be permanent magnet mechanism, and 211 be dynamic iron core, and 212 be dynamic iron core spring cavity, and 22 be crane, and 221 be lifting
Platform, 2211 be connecting rod mounting hole, and 222 be lifting guide pillar, and 2221 be lifting guide pillar cavity, and 2222 be spring card convex, and 223 be to connect
Extension bar, 224 be the sliding convex mounting post of position instruction, and 2241 be that position instruction cunning is convex, and 225 be lifting detection column, and 226 be assistance for lifting
Platform, 23 be interlocking bar, and 24 be handle, and 31 are locked out card convex, and 32 are locked out latch plate, and 33 be transmission snap-gauge, and 331 be self-locking card
Mouthful, 41 be position instruction panel, and 411 be position instruction bar, and 412 be position instruction angled-lift splits, and 42 be handle position detection plate,
421 be spring oscillating rod, and 422 be bearing, and 423 be swinging axle, and 424 be to swing card convex, and 43 be lifting position auxiliary testing agency,
431 be pressure contact mechanism, and 5 be moving contact, and 51 be support plate, and 52 be conductive plate, and 521 be the first arc guide part, and 53 be remaining rows
Journey connecting plate, 531 be top connecting plate, and 532 be side connecting plate, and 533 be clamping bar mounting hole, and 54 be W-shaped spring plate, and 55 be folder
Bar is held, 56 be contact block, and 6 be copper bar static contact, and 61 be interconnecting piece, and 62 be guide part, and 63 be stationary contact head, and 64 be ferromagnetic magnetic conductance
Plate, 641 be the second arc guide part, and 81 be zero sequence transformer.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawing.
As shown in Figure 1, Figure 2, a kind of with brake-dividing locking mechanism shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10
Moving contact linkage mechanism, including permanent magnet mechanism 21, crane 22, interlocking bar 23, handle 24, moving contact 5, brake-dividing locking mechanism,
Position indicating device, contact position testing agency, handle position testing agency and auxiliary testing agency.The moving contact of the present embodiment
Linkage mechanism is a kind of mechanism of three-phase moving contact linkage, and there are three moving contacts 5, respectively corresponds three-phase firewire.The present embodiment
Moving contact linkage mechanism and static contact mechanism, which match, is combined into the main body of threephase switch.Static contact mechanism includes three pairs of copper bar stationary contacts
First 6.Three pairs of copper bar static contacts 6 are respectively and three moving contacts 5 are corresponding.Two copper bar static contacts 6 of a pair of of copper bar static contact 6 divide
Two contacts at 5 both ends of moving contact are not corresponded to.
Permanent magnet mechanism 21 includes dynamic iron core 211 and the coil around the setting of dynamic iron core 211, installs support frame 15 in middle level
On.The central axial of dynamic iron core 211 is provided with vertical dynamic iron core spring cavity 212.Bullet is provided in dynamic iron core spring cavity 212
Spring.Spring in dynamic iron core spring cavity 212 is not drawn in figure again, but do not interfere those skilled in the art understand that.Dynamic iron core spring
Spring one end in chamber 212 is withstood in dynamic iron core 211, and the other end withstands on the top of permanent magnet mechanism 21, for dynamic iron core 211 provide to
Under thrust.
Crane 22 includes lifting platform 221 and lifting guide pillar 222.There are three lifting guide pillars 222.Three lifting guide pillars 222
It is mounted on the lower section of lifting platform 221, and with equidistant straight configuration.Moving contact 5 is mounted on lifting by remainder stroke mechanism and leads
The bottom of column 222.Three 222 bottoms of lifting guide pillar are separately installed with three moving contacts 5.Lifting guide pillar 222 is by insulating materials system
At, it is square, inner hollow, equipped with lifting guide pillar cavity 2221.Lifting guide pillar cavity 2221 is used in lifting guide pillar 222 and moves
Contact 5 installs remainder stroke mechanism.It is parallel to three lifting guide pillars 222 on lifting platform 221 and is laid out direction, is installed by connecting rod
Hole 2211 is provided with connecting rod 223.Connecting rod 223 is horizontally arranged on crane 22.The dynamic iron core 211 of permanent magnet mechanism 21 passes through
Connecting rod 223 is connected with crane 22.Crane 22 is gone up and down under the driving of permanent magnet mechanism 21, and drives rise in turn
The moving contact 5 for dropping the installation of 22 lifting guide pillar of frame, 222 bottom is gone up and down.In the present embodiment, two contacts at 5 both ends of moving contact are by contact
Block 56 is realized.The contact block 56 at 5 both ends of moving contact is located at the lower section of two copper bar static contacts 6.When moving contact 5 closes a floodgate
When, moving contact 5 rises to top and two contact blocks 56 being arranged on 5 both ends of moving contact is made to withstand on a pair of of copper bar static contact respectively
6 two copper bar static contacts, 6 lower section, so that two copper bar static contacts 6 be connected；When separating brake, moving contact 5, which drops to bottom, to be made
Contact block 56 is obtained mutually to separate with copper bar static contact 6.
Remainder stroke mechanism includes remainder stroke connecting plate 53 and spring.Moving contact 5 includes support plate 51,52 and of conductive plate
W-shaped spring plate 54.Conductive plate 52 and W-shaped spring plate 54 are respectively arranged on about 51 support plate.53 He of remainder stroke connecting plate
Spring is set in the lifting guide pillar cavity 2221 of lifting guide pillar 222.The bottom of lifting guide pillar cavity 2221 is provided with spring card convex
2222." ㄇ " font plate body as made of strip plate body bending of remainder stroke connecting plate 53, including horizontal top connecting plate 531
With two pieces of vertical side connecting plates 532.The bottom end of side connecting plate 532 is provided with clamping bar mounting hole 533.Remainder stroke connecting plate 53
In lifting guide pillar cavity 2221, the bottom end of two pieces of side connecting plates 532 passes through 2221 bottom spring card convex of lifting guide pillar cavity
The strip window of 2222 two sides setting is pierced by except lifting guide pillar cavity 2221.Two pieces be pierced by except lifting guide pillar cavity 2221
The bottom end of side connecting plate 532 passes through the supporting rod 55 being arranged on two clamping bar mounting holes 533, by W-shaped spring plate 54
Between groove, 5 level of moving contact is clamped between 222 bottom end of supporting rod 55 and lifting guide pillar.The bottom end of spring is stuck in Spring Card
Convex 2222, top withstands on the lower section of the top connecting plate 531 of remainder stroke connecting plate 53.
Interlocking bar 23 is the long cylinder that section is in regular hexagon, and installation is in middle level horizontally disposed, and put down on support frame 15
Row is laid out direction in three lifting guide pillars 222.Interlocking bar 23 can surround horizontal axis rotation.One end of interlocking bar 23 is arranged
Handle 24.Handle 24 is used for closing by hand and separating brake operation.Handle 24 can be around the axis swing of 23 level of interlocking bar, also
It is that handle 24 can surround the axis swing of interlocking bar 23 with the rotation of interlocking bar 23.
Brake-dividing locking mechanism includes locking card convex 31, Lock spring plate 32, transmission snap-gauge 33 and connecting rod 223.Locking card
Convex 31 are mounted in interlocking bar 23, and the axis swing of interlocking bar 23 can be surrounded with the rotation of interlocking bar 23.Lock bullet
Spring plate 32 is that perhaps reed is mounted in shell and provides elastic force by spring or reed by spring, so that Lock spring plate
32 withstand in locking card convex 31.Locking card convex 31 is the protrusion of a V-shaped structure.It should be evident that the V of locking card convex 31
It when the tip of the protrusion of character form structure and Lock spring plate 32 offset, can not stablize, be for non-steady state, only locking card convex
The two sides planar section and Lock spring plate 32 of the protrusion of 31 V-shaped structure could be stablized when offseting, and therefore, lock card convex
31 and Lock spring plate 32 composed by mechanism for the turned position of interlocking bar 23 provide two kinds of stable states, both stable states
It is exactly the two states of switch closing and switch opening corresponding to moving contact 5.In the present embodiment, locking card convex 31 is located at handle 24 and interlocking bar
23 interconnecting piece.Lock spring plate 32 is located at the lower section of locking card convex 31.
Transmission snap-gauge 33 is the plate body of " > " font, and one end is set in interlocking bar 23, and can be with the rotation of interlocking bar 23
And surround the axis swing of interlocking bar 23.It is to swing that the other end of transmission snap-gauge 33, which is located on the lifting platform 221 of crane 22,
End.So that driving transmission snap-gauge 33 and interlocking bar 23 to surround the axis swing of interlocking bar 23 when crane 22 rises.Transmission
The swinging end end of snap-gauge 33 is provided with self-locking bayonet 331.When the decline of crane 22 makes moving contact 5 be in gate-dividing state, even
Extension bar 223 can be caught in the self-locking bayonet 331 of transmission 33 end of snap-gauge, referring to state shown in dotted lines in Figure 5.Connecting rod
223 can be caught in transmission 33 end of snap-gauge self-locking bayonet 331 in when, connecting rod 223 be transmitted snap-gauge 33 block and can not on
It rises, only when transmission snap-gauge 33 makes connecting rod 223 be detached from self-locking bayonet 331 as interlocking bar 23 rotates, connecting rod 223
It could rise under the driving of permanent magnet mechanism 21.It is, connecting rod 223 is blocked when handle 24 and moving contact 5 are in gate-dividing state
In the self-locking bayonet 331 for entering to be driven 33 end of snap-gauge, when leaning on the movement of permanent magnet mechanism 21 to cannot achieve combined floodgate, only pass through handle
After 24 drive interlocking bar 23 are detached from the self-locking bayonet 331 for being driven 33 end of snap-gauge and connecting rod 223, permanent magnetic motor could be passed through
The feed motion of structure 21 realizes the combined floodgate of moving contact 5, to realize the brake-dividing locking of brake-dividing locking mechanism.It should be pointed out that
It in the present embodiment, is driven there are two snap-gauges 33, it will be appreciated by those skilled in the art that transmission snap-gauge 33 can arrange three or four
It is a.In addition it should be pointed out that connecting rod 223 is also used for the dynamic iron core that crane 22 connects permanent magnet mechanism 21 in the present embodiment
211。
Position indicating device is used to indicate the jacking condition of crane 22 and then indicates the switch closing and switch opening shape of moving contact 5
State.Position indicating device in the present embodiment is the mechanism for the switch closing and switch opening state that mechanical system is shown, including position instruction
Panel 41, position instruction bar 411 and position instruction sliding convex 2241.Position instruction panel 41 is cambered plate, is set to position instruction bar
411 top.The bottom end of position instruction bar 411 is mounted on spring swinging axle.Position instruction is equipped among position instruction bar 411
Angled-lift splits 412.The lifting platform 221 of crane 22 is arranged in by the sliding convex mounting post 224 of position instruction for position instruction sliding convex 2241
On.Position instruction angled-lift splits 412 on position instruction bar 411 are pressed in position instruction sliding convex 2241 by spring swinging axle, are made
When obtaining position instruction sliding convex 2241 with the lifting of crane 22, it can be slided along position instruction angled-lift splits 412.Specifically,
In the present embodiment, the bottom end of position instruction bar 411 is mounted in interlocking bar 23, and can surround interlocking bar relative to interlocking bar 23
23 axle center and rotate, it is, interlocking bar 23 rotation can not synchronous drive position instruction bar 411 swing.Spring swinging axle
Namely it is provided with the axis body mechanism of torsionspring.The acting force of the spring of torsionspring makes the position on position instruction bar 411
Indicate 412 closed position of angled-lift splits instruction sliding convex 2241.Due to the ramp effect on position instruction angled-lift splits 412, position instruction
Sliding convex 2241 slide along position instruction angled-lift splits 412 so that position instruction sliding convex 2241 is relative to position instruction angled-lift splits 412
When different height, 411 main body of position instruction bar is different at a distance from position instruction sliding convex 2241, so as to cause position instruction bar
The 411 different angles of oscillation in interlocking bar 23.Position instruction panel 41 is located at the lower section of shell switch indicating window.Position instruction bar
411 different angles of oscillation embody the position different relative to shell switch indicating window of position instruction panel 4, it is possible thereby to pass through position
It sets the different colours applied on indication panel 41 and distinguishes switch closing and switch opening state.
Contact position testing agency be used for by detection crane 22 jacking condition detection moving contact 5 combined floodgate with
Gate-dividing state, including lifting detection column 225.Lifting detection column 225 is mounted on crane 22, for as photoelectrical coupler
Test object.Photoelectrical coupler for detecting lifting detection 225 jacking condition of column installs support frame 15 in middle level.As a result,
The control circuit of threephase switch can detect lifting detection 225 jacking condition of column, lifting detection column 225 by the photoelectrical coupler
Jacking condition i.e. crane 22 jacking condition.The jacking condition of crane 22 i.e. the combined floodgate of moving contact 5 and point
Lock state.
Whether handle position testing agency is for detecting handle 24 in gate-dividing state, including 42 He of handle position detection plate
Spring oscillating rod 421.Spring oscillating rod 421 is installed on support frame 15 in middle level by swinging axle 423, and can surround swinging axle
423 swing.The end of spring oscillating rod 421 is provided with the bearing 422 of axle center level.42 bottom of handle position detection plate is mounted on
In interlocking bar 23, and it is provided in the bottom of handle position detection plate 42 and swings card convex 424.Spring oscillating rod 421 passes through bullet
Spring effect is swung up, and is swung in card convex 424 so that the bearing 422 of 421 end of spring oscillating rod is withstood on.Specifically, spring
Torsionspring is provided at the swinging axle 423 of oscillating rod 421.The bullet of torsionspring at the swinging axle 423 of spring oscillating rod 421
Power effect, swings in card convex 424 so that the bearing 422 of 421 end of spring oscillating rod is withstood on.Spring oscillating rod 421, which is located at, to be swung
The lower section of card convex 424.It is similar with locking card convex 31 above-mentioned to swing card convex 424, is the protrusion of a V-shaped structure.This
Field technical staff understanding, the interactively and locking card convex 31 above-mentioned of swing card convex 424 and spring oscillating rod 421 and locking
Interactively between latch plate 32 is identical, and the part setting that only spring oscillating rod 421 and swing card convex 424 offset is promising
Reduce the bearing 422 of frictional force.Swinging card convex 424 and locking the purpose that card convex 31 is arranged is so that handle 24, interlocking bar 23, hand
Handle position detection plate 42 can only switch between gate-dividing state and "on" position.In addition, swinging card convex 424 and spring oscillating rod
421 are set to one end of interlocking bar 23, and the other end that locking card convex 31 and Lock spring plate 32 are set to interlocking bar 23 can make
Obtain 23 both ends of interlocking bar balance.Handle position detection plate 42 is for the test object as photoelectrical coupler.For detecting handle
The photoelectrical coupler of 42 swing position of position detection plate is mounted on support frame 15 in middle level.The control electricity of threephase switch as a result,
Road can detect the swing position of handle position detection plate 42 by the photoelectrical coupler.It should be evident that due to handle position
Detection plate 42 is synchronous with handle 24 as interlocking bar 23 is swung, the swing position of handle position detection plate 42 i.e. handle 24
Swing position.
Contact position testing agency and handle position testing agency belong to electrically detect.In the present embodiment, crane 22
By being connected with each other between transmission snap-gauge 33 between interlocking bar 23.When handle 24 is in open position, moving contact 5 is necessarily located
In gate-dividing state, at this point, what handle position testing agency and contact position testing agency detected is gate-dividing state, while position
Indicating mechanism's instruction is gate-dividing state；But when handle 24 is in closing position, moving contact 5 is likely to be at gate-dividing state,
It is likely to be at "on" position, at this point, what handle position testing agency detected is "on" position, but contact position testing agency examines
What is measured may be gate-dividing state is also likely to be "on" position, and what position indicating device was shown may be that gate-dividing state is also likely to be
"on" position.Therefore, contact position testing agency and handle position testing agency are two different detections.Similarly, Yong Huke
To pass through handle 24 for 5 separating brake of moving contact, but moving contact 5 can not be closed a floodgate by handle 24, only be closed a floodgate when handle 24 is located at
When state, after the driving by permanent magnet mechanism 21, really moving contact 5 could be closed a floodgate.When namely closing a floodgate, 24 He of handle is needed
Permanent magnet mechanism 21 matches, and separating brake acts, then can be individually performed by handle 24 or permanent magnet mechanism 21.
Auxiliary testing agency opens a sluice gate detection of closing a floodgate for external, including installing the lifting position on support frame 15 in middle level
Assist testing agency 43.Lifting position assists testing agency 43 to be equipped with pressure contact mechanism 431.The end of lifting platform 221 is arranged
There is the assistance for lifting platform 26 of stretching.Assistance for lifting platform 26 is located at immediately below pressure contact mechanism 431.When the combined floodgate of moving contact 5, lifting
Platform 221 rises, and assistance for lifting platform 26 is pressed in 431 lower section of pressure contact mechanism, and lifting position auxiliary testing agency 43 passes through as a result,
Pressure contact mechanism 431 detects whether current moving contact 5 is in "on" position.
As shown in Figure 11, Figure 12, Figure 13, Figure 14, a kind of threephase switch being equipped with above-mentioned moving contact linkage mechanism, including
Shell, static contact mechanism, arc-extinguishing mechanism and above-mentioned moving contact linkage mechanism.Shell includes front shroud 11, back shroud 12, first
Case frame 13, second shell frame 14.First shell frame 13 is the main supporting support of static contact mechanism, is equipped with a pair zero
Wire terminal 134 and three pairs of firewire connectors 135.Static contact mechanism includes three pairs of three pairs of copper bar static contacts 6, three pairs of copper bar static contacts 6
It is separately connected three pairs of firewire connectors 135.Second shell frame 14 is set to the front of first shell frame 13, is above-mentioned moving contact connection
The main supporting support of motivation structure.It is screwed between second shell frame 14 and first shell frame 13.Aforementioned moving contact
Middle layer support frame 15 in linkage mechanism is mutually fixed by screw with second shell frame 14.Back shroud 12 is set to first shell frame
The back side of frame 13 is used for threephase switch back seal.Front shroud 11 is set to the front of second shell frame 14, for opening three-phase
Close front sealing.
Front shroud 11 is provided with display panel 111, LED light 112, switch indicating window 113, handle window 114 and control
Circuit board processed.Control circuit board is mounted on the inside of front shroud 11, and display panel 111 and LED light 112 are mounted on control electricity
On the plate of road, display panel 111 is liquid crystal display.Position instruction panel 41 is located at switch indicating window in aforementioned location indicating mechanism
113.Handle window 114 is located at the window of the side setting of front shroud 11, and handle 24 is located in handle window 114.The side of handle window 114
Side edge is provided with handle lockhole 115, and lockset can be arranged on handle lockhole 115 in user, to lock handle 24.
First shell frame 13 is the general frame as made from insulating materials, specifically, absolutely as shown in Figure 15, Figure 16
Edge material is ABS plastic.It is mutual that three firewire contact pockets 131, one zero curve slot 132, zero sequence are provided in first shell frame 13
Sensor slot 133 and eight connector slots 134.Three firewire contact pockets 131 and zero curve slot 132 are arranged successively parallel.Zero sequence transformer
Slot 133 is for installing zero sequence transformer 81.Zero curve slot 132 is for being arranged zero curve copper bar.Eight connector slots 134 are for being arranged a pair
Zero curve connector 135 and three pairs of firewire connectors 136.Three firewire contact pockets 131 are used to be arranged three groups of switch contacts of three-phase firewire,
It is, three pairs of copper bar static contacts 6 and three moving contacts 5 are respectively arranged in three firewire contact pockets 131.Three pairs of firewire connectors
136 are located at the both ends of three firewire contact pockets 131.A pair of of zero curve connector 135 is located at the both ends of zero curve slot 132.Fire
The center of line contact pocket 131 is lifting guide groove 1311.Lifting guide pillar 222 is stuck in lifting guide groove 1311, and lifting is led as a result,
Firewire contact pocket 131 is divided into two unilateral contact rooms 1314 by column 222 and lifting guide groove 1311.Two of 5 both ends of moving contact
Contact is located in two unilateral contact rooms 1314.Two copper bar static contacts 6 of a pair of of copper bar static contact 6 are located at two
In unilateral contact room 1314.Become arc-chutes after setting arc quenching plate group 138 in unilateral contact room 1314.Arc quenching plate group 138 is set to
Unilateral 1314 outside of contact room.Arc quenching plate group 138 is laminated by the arc quenching plate 1381 of U-shaped as shown in figure 17 and passes through arc extinguishing
1383 phase of piece connecting plate is fixed, and flank section 1382 is had.Two inboard side edges of the unilateral contact room 1314 close to lifting guide pillar 222
It is respectively arranged with partition 1312, two pieces of partitions 1312 construct two arc quenching plates in two sides of unilateral contact room 1314 respectively
Side bayonet slot 1313.Two flank sections 1382 of arc quenching plate group 138 are respectively arranged in two arc quenching plate side bayonet slots 1313.The present embodiment
In, the opening of arc quenching plate side bayonet slot 1313 is set to the back side of first shell frame 13, it is, arc quenching plate group 138 passes through first
The back side of case frame 13 is packed into unilateral contact room 1314.The extension of unilateral contact room 1314 is useless grain storehouse 135.Useless grain storehouse 135
It is separated by between unilateral contact room 1314 by gate hole plate 139.Partition 1312 is used for electric arc caused by insulating contact, to avoid
Electric arc burns out the flank section 1382 of arc quenching plate group 138.On the one hand, flank section 1382 is closer apart from contact, is easy to attract electric arc；Separately
On the one hand, the problem of high arc temperature fusing arc quenching plate 1381 is generated metal particle, closed due to side, high arc temperature melts arc extinguishing
Metal particle produced by piece 1381 is had nowhere to go, and can only be deposited in the gap between arc quenching plate 1381, so that arc quenching plate 1381
Between melt in whole, lose arc quenching effect.The gear of partition 1312 can be to avoid above-mentioned problem between flank section 1382 and contact.
Copper bar static contact 6 is formed by copper bar bending, including interconnecting piece 61, guide part 62 and stationary contact head 63.Interconnecting piece 61
It is horizontal with stationary contact head 63, and be connected by vertical guide part 62.Two 6 phases of copper bar static contact of a pair of of copper bar static contact 6
To setting.Stationary contact head 63 is located at the lower section of interconnecting piece 61.It is quiet that two movable contacts at 5 both ends of moving contact are located at two copper bars
It is moved it is, two contact blocks 56 at 5 both ends of moving contact are located at immediately below stationary contact head 63 lower section on 6 stationary contact head 63 of contact
Contact 5 is in contact when closing a floodgate by two stationary contact heads 63 of two contact blocks 56 and two copper bar static contacts 6.Lifting guide pillar 222
It is held between two guide parts 62 of two copper bar static contacts 6.61 outer end of interconnecting piece connects firewire connector 136.Interconnecting piece
61, the inside that guide part 62 and stationary contact head 63 are bent, is provided with ferromagnetic along interconnecting piece 61, guide part 62 and stationary contact head 63
Magnetic conductance plate 64.Ferromagnetic magnetic conductance plate 64 is made of ferromagnetic material.In addition, the both ends setting of moving contact 5 has the first arc guide part respectively
521.By 52 both ends of conductive plate, bending is formed obliquely for first arc guide part 521.Ferromagnetic magnetic conductance plate 64 along stationary contact head 63 end
Bending is held to form the second arc guide part 641.First arc guide part 521 is located at the lower section of the second arc guide part 641.
In the present embodiment, the first arc guide part 521, ferromagnetic magnetic conductance plate 64, the second arc guide part 641, arc quenching plate group 138, useless grain
Storehouse 135 and gate hole plate 139 form the arc-extinguishing mechanism of threephase switch.The working principle of the arc-extinguishing mechanism is as follows: moving contact 5 closes a floodgate
Afterwards, electric current is flowed along stationary contact head 63, guide part 62 and interconnecting piece 61, and electric current is along stationary contact head 63, guide part 62 and connects
The flowing of socket part 61 forms current field in the inside that interconnecting piece 61, guide part 62 and stationary contact head 63 are bent.Current field magnetization
Ferromagnetic magnetic conductance plate 64, moment after separating brake, since ferromagnetic magnetic conductance plate 64 is ferromagnetic material, also there are remanent magnetism after magnetization.Ferromagnetic magnetic conductance
The remanent magnetism of plate 64 leads between the contact block 56 of moving contact 5 and stationary contact head 63 that there are remnant fields.Result from 56 He of contact block
Arc current direction between stationary contact head 63 is perpendicular to the remnant field.Remnant field acts on electric arc as a result, so that electric arc is past
Outside, that is, 138 direction of arc quenching plate group are blown, and magnetic blow-out effect is formed.In addition, being closed on the inside of unilateral contact room 1314, outside court
It is open to arc quenching plate group 138, since high arc temperature heats air, the air expansion of heating also can be by electric arc toward arc quenching plate group 138
Direction is blown, and air-blowing effect is formed.First arc guide part 521 and the second arc guide part 641 are then that electric arc step effect is utilized.According to electricity
The step effect of arc, the electric arc between contact block 56 and stationary contact head 63 understand step to the first arc guide part 521 and the second arc guide part
Between 641, so that electric arc is mobile to arc quenching plate group 138.After electric arc is moved to arc quenching plate group 138, the arc quenching plate 1381 that is stacked
It is eliminated after cutting.It is, the present embodiment is the arc-extinguishing mechanism that a kind of magnetic blow-out, air-blowing, step effect combine.High arc temperature is molten
Metal particle produced by change arc quenching plate 1381 then passes through magnetic blow-out and air-blowing effect is blown in useless grain storehouse 135, and by gate hole plate 139
It is interposed between in useless grain storehouse 135.
Claims (10)
1. a kind of moving contact linkage mechanism with brake-dividing locking mechanism, which is characterized in that including permanent magnet mechanism (21), crane
(22), interlocking bar (23), moving contact (5) and brake-dividing locking mechanism；Permanent magnet mechanism (21) and interlocking bar (23) installation are in middle level
On support frame (15)；The dynamic iron core (211) of permanent magnet mechanism (21) connects crane (22), so that crane (22) can be in permanent magnetism
It is gone up and down under the driving of mechanism (21), and drives moving contact (5) lifting of crane (22) bottom installation in turn；Interlocking bar (23) water
It is flat to be arranged and horizontal axis rotation be surrounded；The brake-dividing locking mechanism includes transmission snap-gauge (33) and connecting rod (223)；
The one end for being driven snap-gauge (33) is set on interlocking bar (23), and can surround interlocking bar (23) with the rotation of interlocking bar (23)
Axis swing；The other end end of transmission snap-gauge (33) is provided with self-locking bayonet (331)；Connecting rod (223) is horizontally arranged at
On crane (22)；When crane (22) decline, connecting rod (223) can be caught in the self-locking bayonet of transmission snap-gauge (33) end
(331) in.
2. having the moving contact linkage mechanism of brake-dividing locking mechanism as described in claim 1, which is characterized in that the separating brake lock
Determining mechanism further includes locking card convex (31) and Lock spring plate (32)；Locking card convex (31) is mounted on interlocking bar (23)；Locking
Latch plate (32) can jack upwards under the effect of elasticity, and withstand in locking card convex (31).
3. having the moving contact linkage mechanism of brake-dividing locking mechanism as described in claim 1, which is characterized in that further include position
Indicating mechanism；The position indicating device is used to indicate the jacking condition of crane (22) and then indicates the combined floodgate of moving contact (5)
And gate-dividing state, including position instruction panel (41), position instruction bar (411) and position instruction cunning convex (2241)；Position instruction
Panel (41) is set to the top of position instruction bar (411)；The bottom end of position instruction bar (411) is mounted on spring swinging axle；Position
It sets and is equipped with position instruction angled-lift splits (412) among indicating arm (411)；Position instruction sliding convex (2241) is arranged in crane (22)
On；Position instruction angled-lift splits (412) on position instruction bar (411) are pressed in position instruction by spring swinging axle and slide convex (2241)
On, it, can be sliding along position instruction angled-lift splits (412) when so that position instruction sliding convex (2241) being gone up and down with crane (22)
It is dynamic.
4. having the moving contact linkage mechanism of brake-dividing locking mechanism as described in claim 1, which is characterized in that further include contact
Position detecting mechanism；The contact position testing agency is used for the dynamic touching of jacking condition detection by detecting crane (22)
The switch closing and switch opening state of head (5), including lifting detection column (225)；Lifting detection column (225) is mounted on crane (22),
For the test object as photoelectrical coupler.
5. having the moving contact linkage mechanism of brake-dividing locking mechanism as described in claim 1, which is characterized in that further include handle
(24) and handle position testing agency；Handle (24) is mounted on interlocking bar (23)；The handle position testing agency is for examining
Survey whether handle (24) are in gate-dividing state, including handle position detection plate (42) and spring oscillating rod (421)；Spring oscillating rod
(421) it is installed on support frame (15) in middle level, and can be swung around swinging axle (423) by swinging axle (423)；Spring is swung
The end of bar (421) is provided with the bearing (422) of axle center level；Handle position detection plate (42) bottom is mounted on interlocking bar (23)
On, and be provided in the bottom of handle position detection plate (42) and swing card convex (424)；Spring oscillating rod (421) passes through spring
Effect is swung up, and is swung on card convex (424) so that the bearing (422) of spring oscillating rod (421) end is withstood on.
6. having the moving contact linkage mechanism of brake-dividing locking mechanism as described in claim 1, which is characterized in that dynamic iron core
(211) vertical iron core spring cavity (212) is provided in；Spring is provided in iron core spring cavity (212).
7. a kind of threephase switch, which is characterized in that including shell, static contact mechanism and such as claims 1 or 2 or 3 or 4 or 5 or 6
The moving contact linkage mechanism；The crane (22) of the moving contact linkage mechanism includes lifting platform (221) and lifting guide pillar
(222)；There are three lifting guide pillars (222), is mounted on the lower section of lifting platform (221)；Moving contact (5) is pacified by remainder stroke mechanism
Mounted in the bottom of lifting guide pillar (222)；Three lifting guide pillars (222) are separately installed with three moving contacts (5)；Three moving contacts
(5) three-phase firewire is respectively corresponded；Three firewire contact pockets (131) are provided on the shell；The static contact mechanism includes three
To copper bar static contact (6)；Three pairs of copper bar static contacts (6) and three moving contacts (5) are respectively arranged on three firewire contact pockets (131)
It is interior；Copper bar static contact (6) is formed by copper bar bending, including interconnecting piece (61), guide part (62) and stationary contact head (63)；Interconnecting piece
(61) and stationary contact head (63) are horizontal, and are connected by vertical guide part (62)；Two copper bars of a pair of of copper bar static contact (6)
Static contact (6) is oppositely arranged；Stationary contact head (63) is located at the lower section of interconnecting piece (61)；Two movable contacts at moving contact (5) both ends
It is located at the lower section of two copper bar static contact (6) stationary contact heads (63)；Lifting guide pillar (222) is held on two copper bar static contacts
(6) between two guide parts (62).
8. threephase switch as claimed in claim 7, which is characterized in that further include arc quenching plate group (138)；Arc quenching plate group (138)
It is laminated, is had flank section (1382) by the arc quenching plate (1381) of U-shaped；Firewire contact pocket (131) is by lifting guide pillar (222) point
It is cut into two unilateral contact rooms (1314)；Two inboard side edges of the unilateral contact room (1314) close to lifting guide pillar (222) are distinguished
It is provided with partition (1312), two pieces of partitions (1312) construct two arc extinguishings in two sides of unilateral contact room (1314) respectively
Piece side bayonet slot (1313)；Two flank sections (1382) of arc quenching plate group (138) are respectively arranged on two arc quenching plate side bayonet slots (1313)
It is interior.
9. threephase switch as claimed in claim 8, which is characterized in that interconnecting piece (61), guide part (62) and stationary contact head
(63) inside bent, is provided with ferromagnetic magnetic conductance plate (64) along interconnecting piece (61), guide part (62) and stationary contact head (63).
10. threephase switch as claimed in claim 9, which is characterized in that the both ends setting of moving contact (5) has first to lead arc respectively
Portion (521)；Ferromagnetic magnetic conductance plate (64) forms the second arc guide part (641) along the ends bent of stationary contact head (63)；First leads arc
Portion (521) is located at the lower section of the second arc guide part (641).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910186993.9A CN110444449A (en) | 2019-03-13 | 2019-03-13 | A kind of moving contact linkage mechanism and threephase switch with brake-dividing locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910186993.9A CN110444449A (en) | 2019-03-13 | 2019-03-13 | A kind of moving contact linkage mechanism and threephase switch with brake-dividing locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110444449A true CN110444449A (en) | 2019-11-12 |
Family
ID=68428172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910186993.9A Pending CN110444449A (en) | 2019-03-13 | 2019-03-13 | A kind of moving contact linkage mechanism and threephase switch with brake-dividing locking mechanism |
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| Country | Link |
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| CN (1) | CN110444449A (en) |
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| JPH0636666A (en) * | 1992-07-14 | 1994-02-10 | Fuji Electric Co Ltd | Remote control circuit breaker |
| JPH1116480A (en) * | 1997-06-25 | 1999-01-22 | Matsushita Electric Works Ltd | Circuit breaker |
| JP2005158395A (en) * | 2003-11-25 | 2005-06-16 | Matsushita Electric Works Ltd | Interlocking breaking mechanism of circuit breaker |
| CN105244197A (en) * | 2015-10-30 | 2016-01-13 | 南京鼎牌电器有限公司 | Breaker contact structure and breaker |
| CN205069541U (en) * | 2015-10-30 | 2016-03-02 | 南京鼎牌电器有限公司 | Breaker moving contact handle separating brake locking mechanism |
| CN106298299A (en) * | 2016-03-31 | 2017-01-04 | 南京鼎牌电器有限公司 | A kind of phase-change switch |
| CN207966888U (en) * | 2018-04-17 | 2018-10-12 | 巨邦集团有限公司 | A kind of leakage circuit breakers |
| CN209626152U (en) * | 2019-03-13 | 2019-11-12 | 江苏凯隆电器有限公司 | A kind of moving contact linkage mechanism and threephase switch with brake-dividing locking mechanism |
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2019
- 2019-03-13 CN CN201910186993.9A patent/CN110444449A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0636666A (en) * | 1992-07-14 | 1994-02-10 | Fuji Electric Co Ltd | Remote control circuit breaker |
| JPH1116480A (en) * | 1997-06-25 | 1999-01-22 | Matsushita Electric Works Ltd | Circuit breaker |
| JP2005158395A (en) * | 2003-11-25 | 2005-06-16 | Matsushita Electric Works Ltd | Interlocking breaking mechanism of circuit breaker |
| CN105244197A (en) * | 2015-10-30 | 2016-01-13 | 南京鼎牌电器有限公司 | Breaker contact structure and breaker |
| CN205069541U (en) * | 2015-10-30 | 2016-03-02 | 南京鼎牌电器有限公司 | Breaker moving contact handle separating brake locking mechanism |
| CN106298299A (en) * | 2016-03-31 | 2017-01-04 | 南京鼎牌电器有限公司 | A kind of phase-change switch |
| CN207966888U (en) * | 2018-04-17 | 2018-10-12 | 巨邦集团有限公司 | A kind of leakage circuit breakers |
| CN209626152U (en) * | 2019-03-13 | 2019-11-12 | 江苏凯隆电器有限公司 | A kind of moving contact linkage mechanism and threephase switch with brake-dividing locking mechanism |
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