CN206148384U - Miniature circuit breaker and automatic tripping device thereof - Google Patents
Miniature circuit breaker and automatic tripping device thereof Download PDFInfo
- Publication number
- CN206148384U CN206148384U CN201621096227.1U CN201621096227U CN206148384U CN 206148384 U CN206148384 U CN 206148384U CN 201621096227 U CN201621096227 U CN 201621096227U CN 206148384 U CN206148384 U CN 206148384U
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- CN
- China
- Prior art keywords
- poke rod
- free device
- trip free
- circuit breaker
- main body
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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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/42—Induction-motor, induced-current, or electrodynamic release mechanisms
- H01H71/43—Electrodynamic release mechanisms
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
The utility model discloses a miniature circuit breaker and automatic tripping device thereof, the utility model discloses an automatic tripping device is installed in a miniature circuit breaker, miniature circuit breaker includes the casing and connects the handle components in the casing, motor element, transmission connecting assembly, kick contact subassembly and stationary contact portion, motor element drives the transmission connecting assembly motion, movable contact portion swing that transmission connecting assembly drove kick contact subassembly with the contact of stationary contact portion, the automatic tripping device includes first poker rod and second poker rod, first poker rod is driven by transmission connecting assembly and rotates, the second poker rod is driven by first poker rod and rotates, wherein, kick contact subassembly includes the catch bar, the second poker rod drives the catch bar rotation so that the catch bar breaks away from with handle components, and movable contact portion leaves with the stationary contact part. The utility model discloses can realize hand movement (HM) divide -shut brake, automatic opening/closing switching, and automatic tripping device compact structure, save space, make whole outward appearance of miniature circuit breaker and size accord with and standardize the requirement.
Description
Technical field
The utility model is related to a kind of miniature circuit breaker, is the miniature open circuit for being related to a kind of more compact structure specifically
The trip free device of device.
Background technology
Miniature circuit breaker is widest a kind of terminal protection electrical equipment used in architectural electricity terminal power distribution draws.It is miniature
Breaker is made up of close/open machine, contact, protection device, arc quenching system etc..Its operation principle is：It is (de- using protection device
Button device) and electrical current heat component realization overload and short-circuit protection, when the electric current that the coil in electrical current heat component passes through is more than setting
During current value, the dynamic iron core action of magnetictrip promotes strike bar to clash into operating mechanism, unlocks operating mechanism, makes open circuit
Device separating brake and then disconnecting circuit, so as to realize the overload to circuit and short-circuit protection.After fault is discharged, then by division
Brake mechanism carries out closing operation so as to connect circuit.At present, most miniature circuit breaker that China uses now is manual division
Lock formula, manually stir close/open machine just can carry out make-break operation to circuit.Manual divide-shut brake formula miniature circuit breaker is tied
Structure is simple, with low cost and does not need extra electric energy, thus breaking-closing operating can be carried out in the case of without electric energy,
In being widely used in old electrical network.
But with the development of science and technology, intelligent appliance has obtained increasingly being widely applied, as protection electrical equipment
Common miniature circuit breaker, is also badly in need of installing intelligence control system additional.In order to common miniature with wide variety of manual divide-shut brake formula
Breaker matches, and now, mainly increasing one newly in common miniature circuit breaker side can be with the open circuit of the intelligent micro of remotely control
Device, intelligent miniature circuit breaker drives other common miniature circuit breakers to carry out breaking-closing operating according to input control signal.
《The external Circuit breaker technology specification of electric energy meter》In strict specification carried out to the appearance and size of breaker limited, its
In, restriction intelligent micro-circuit breaker is consistent with the outer shape and size of common miniature circuit breaker, to ensure the consistent of outward appearance
Property, and conveniently carry out large-scale circuit breaker terminal equipment replacement.
But, due to increased intelligent controlling device, especially automatic trip is filled the intelligent micro-circuit breaker of prior art
Put, its size is typically big than common miniature circuit breaker size, and also inconsistent in profile, it is impossible to directly to use, for example notification number is
The Chinese utility model patent of CN205004283U, and notification number is the Chinese utility model patent of CN205028865U, is made
Adaptability reform is carried out with front infrastructure device that need to be first to placing miniature circuit breaker, early investment is big, long in time limit, is unfavorable for intelligence
Electrical network advances process.
Utility model content
The purpose of this utility model is to provide a kind of trip free device of the compact miniature circuit breaker of topology layout.
To achieve these goals, trip free device of the present utility model is arranged in a miniature circuit breaker, described micro-
Type breaker includes housing and the Handleset, electric machine assembly, the component that is connected, the kick contact that are connected in the housing
Component and stationary contact portion, the electric machine assembly drives the component movement that is connected, described in the component that is connected drives
The movable contact portion of kick contact assembly is swung to contact with the stationary contact portion, and the trip free device includes：
First poke rod, is driven by the component that is connected and is rotated；
Second poke rod, is driven by first poke rod and is rotated；
Wherein, the kick contact assembly includes catch bar, second poke rod drive the catch bar to rotate so that
The catch bar and Handleset depart from, and the movable contact portion and the stationary contact part from.
In one embodiment of above-mentioned trip free device, the kick contact assembly includes and the Handleset phase
Transmission hook even, the transmission hook is mutually affiliated to the catch bar, second poke rod drive the catch bar with it is described
Transmission hook is separated.
In one embodiment of above-mentioned trip free device, first poke rod includes the first main body and connects respectively
The swing part being connected in first main body and the portion that presses, second poke rod includes the second main body and is connected to institute
The compression zone in the second main body and pushing part are stated, the compression zone is corresponding with the portion that presses, and the pushing part pushes away with described
Lever is corresponding, wherein, the swing part described in components drive that is connected is described pressurized to drive the portion of pressing to press
Portion, the pushing part drives the catch bar to separate with the transmission hook.
In one embodiment of above-mentioned trip free device, also including (the first back-moving spring, first main body passes through
The (the first back-moving spring is connected in the housing.
In one embodiment of above-mentioned trip free device, first main body includes first end and the second end, described
First end is connected with the housing, and second end is the swing part, and second end is connected with the portion of pressing.
In one embodiment of above-mentioned trip free device, the component that is connected is including cam, the cam pair
Second end is answered to arrange.
In one embodiment of above-mentioned trip free device, also including second back-moving spring, second main body passes through
The second back-moving spring is connected in the housing.
In one embodiment of above-mentioned trip free device, also including the sensing institute being connected to below second main body
State the inductor assembly of the second subjective situation.
In one embodiment of above-mentioned trip free device, the inductor assembly include stir body, sensing chip, first
Inductor and the second inductor, the body of stirring is connected in second main body, first inductor and described second
Inductor is separately positioned on the both sides of the sensing chip.
Miniature circuit breaker of the present utility model includes housing and connection trip free device, handle on the housing
Component, electric machine assembly, be connected component and kick contact assembly, it is characterised in that the trip free device is above-mentioned
Trip free device.
Beneficial functional of the present utility model is, using miniature circuit breaker of the present utility model and its trip free device,
Manual divide-shut brake, automatic divide-shut brake, and trip free device compact conformation, save space can be realized, makes miniature circuit breaker whole
External sight and size meet code requirement.
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model
Restriction.
Description of the drawings
Fig. 1 is the combining structure schematic diagram of the trip free device of miniature circuit breaker of the present utility model；
Fig. 2 is the decomposition texture schematic diagram of the trip free device of miniature circuit breaker of the present utility model；
Fig. 3 is the combining structure schematic diagram () of the trip free device of miniature circuit breaker of the present utility model；
Fig. 4 is the combining structure schematic diagram (two) of the trip free device of miniature circuit breaker of the present utility model；
Fig. 5 is the combining structure schematic diagram (three) of the trip free device of miniature circuit breaker of the present utility model；
Fig. 6 is the combining structure schematic diagram (four) of the trip free device of miniature circuit breaker of the present utility model；
Fig. 7 is be connected component and the Handleset operating diagram () of miniature circuit breaker of the present utility model；
Fig. 8 is be connected component and the Handleset operating diagram (two) of miniature circuit breaker of the present utility model.
Wherein, reference：
700 trip free devices
710 first poke rods
711 first main bodys
711a first ends
The ends of 711b second
712 swing parts
713 press portion
720 second poke rods
721 second main bodys
722 compression zones
723 pushing parts
730 inductor assemblies
731 stir body
731a is open
732 sensing chips
733 first inductors
734 second inductors
10 miniature circuit breakers
11 housings
100 electric machine assemblies
110 motors
120 gearbox gears
130 worm screws
300 are connected component
310 cams
311 arc sections
312 convex portions
320 travelling gears
330 power transmission shafts
340 elastic components
350 gear hanging parts
400 Handlesets
410 handles are linked up with
420 handle main bodies
430 Handle axis
500 kick contact assemblies
520 transmission hooks
530 catch bars
540 connectors
Specific embodiment
Below in conjunction with the accompanying drawings technical solutions of the utility model are described in detail with specific embodiment, with further
Understand the purpose of this utility model, scheme and effect, but be not intended as the limit of the utility model scope of the appended claims
System.
As shown in Figure 1, Figure 2 and shown in Fig. 3 and Fig. 4, trip free device of the present utility model 700 is arranged on miniature circuit breaker
In 10, miniature circuit breaker 10 is including housing 11 and the electric machine assembly 100 being connected in housing 11, be connected component 300, hand
Handle component 400, kick contact assembly 500 and stationary contact portion (not shown).Wherein, electric machine assembly 100 drives the component that is connected
300 motions, the component 300 that is connected drives the movable contact portion of kick contact assembly 500 to swing to be contacted with stationary contact portion.Automatically
Tripgear 700 includes the first poke rod 710 and the second poke rod 720, and the first poke rod 710 is by the band of component 300 that is connected
It is dynamic to rotate；Second poke rod 720 drives rotation by the first poke rod 710.Wherein, kick contact assembly 500 includes catch bar
530, the second poke rod 720 drives the catch bar 530 of kick contact assembly 500 to rotate so that catch bar 530 and Handleset 400
Depart from, and movable contact portion and stationary contact part from.
Wherein, kick contact assembly 500 includes the transmission hook 520 being connected with Handleset 400, transmission hook 520 and promotion
Bar 530 is mutually affiliated to, and the second poke rod 720 drives catch bar 530 to separate with transmission hook 530, so that catch bar 530 and handle
Component 400 is separated.
Specifically, as depicted in figs. 1 and 2, the first poke rod 710 includes the first main body 711 and is connected to first
Swing part 712 in main body 711 and portion 713 is pressed, the second poke rod 720 includes the second main body 721 and is connected to the
Compression zone 722 and pushing part 723 in two main bodys 721.First poke rod 710 is rotatably connected on housing by the first main body 711
In 11, the second poke rod 720 is rotatably connected in housing 11 by the second main body 721.
The entirety of the first poke rod 710 is designed in " 6 " shape, and it is in " seesaw " shape that the second poke rod 720 is overall, and first stirs
Bar 710 pushes one end of the second poke rod 720, and the other end of the second poke rod 720 is upwarped.Specifically, second poke rod 720
Compression zone 722 and the first poke rod 710 press that portion 713 is corresponding, pushing part 723 and the kick contact of the second poke rod 720
The catch bar 530 of component 500 is corresponding.Wherein, the component 300 that is connected promotes the swing part 712 of the first poke rod 710, with
The compression zone 722 that portion 713 presses the one end of the second poke rod 720 that presses of the first poke rod 710 is driven, the second poke rod 720 is another
The pushing part 723 of one end drives the catch bar 530 of kick contact assembly 500, so that catch bar 530 is separated with transmission hook 520.
First poke rod 710 has first in thrust of the swing part 712 without driven coupling assembly 300
Put (as shown in Figures 3 to 5).First poke rod 710 is in thrust of the swing part 712 in driven coupling assembly 300
Turn to the second place (as shown in Figure 6).
Wherein, trip free device of the present utility model 700 also includes (the first back-moving spring, the of the first poke rod 710
One main body 711 is connected in housing 11 by (the first back-moving spring.The thrust decay of swing part 712 of the first poke rod 710 until
During disappearance, the first poke rod 710 is recovered to first position in the presence of (the first back-moving spring by the second place.
First main body 711 of the first poke rod 710 includes first end 711a and the second end 711b (as shown in Figure 2), first
End 711a is connected with housing 11 by (the first back-moving spring, and the second end 711b is swing part 712, and the second end 711b and pressure
Dynamic portion 713 is connected.
In the present embodiment, the component 300 that is connected includes cam 310, cam 310 corresponding to the first poke rod 710 the
Second end 711b of one main body 711 arranges (i.e. cam 310 is arranged corresponding to swing part 712), and cam 310 has arc sections 311
With convex portion 312.
As shown in Figures 3 to 5, stir with first when the cam 310 of the component 300 that is connected turns to its arc sections 311
When second end 711b of bar 710 is adjacent, the second end 711b of the first poke rod 710 will not be produced and push against active force, first group
Lever 710 maintains first position.
As shown in fig. 6, when the cam 310 of the component 300 that is connected turns to its poke rod 710 of convex portion 312 and first
When second end 711b is adjacent, then convex portion 312 can produce pushing and pressing active force to the second end 711b of the first poke rod 710, make first
Poke rod 710 turns to the second place, and now the first poke rod 710 presses the second poke rod 720.
Second poke rod 720 is not had in compression zone 722 by pressing when the pressure of portion 712 is acted on for the first poke rod 710
There is closing position (as shown in Figures 3 to 5), the second poke rod 720 is pressed portion in compression zone 722 by the first poke rod 710
712 pressure turns to trip position (as shown in Figure 6) when acting on.When i.e. the first poke rod 710 is located at first position, second group
Lever 720 is located at closing position, and when the first poke rod 710 is located at the second place, the second poke rod 720 is located at trip position.
Wherein, trip free device of the present utility model 700 also includes second back-moving spring, the of the second poke rod 720
Two main bodys 721 are connected in housing 11 by second back-moving spring.Second poke rod 720 weakens straight in the pressure of compression zone 722
When disappearing, the second poke rod 720 is recovered to closing position in the presence of (the first back-moving spring by trip position.
As depicted in figs. 1 and 2, trip free device of the present utility model 700 also includes being connected to the second poke rod 720
The inductor assembly 730 of the location status of second poke rod of sensing 720 of the lower section of the second main body 721.Inductor assembly 730 includes
Body 731, sensing chip 732, the first inductor 733 and the second inductor 734 are stirred, body 731 is stirred and is connected to the second main body 721
On, the first inductor 733 and the second inductor 734 are separately positioned on the both sides of sensing chip 732, sensing chip 732 and electric machine assembly
100 electrical connections.
Specifically, the course of work of the present utility model is：The motor 110 of electric machine assembly 100 drives 120 turns of gearbox gear
Dynamic, gearbox gear 120 drives worm screw 130 to rotate, and worm screw 130 drives the travelling gear 320 of the component 300 that is connected to rotate,
Travelling gear 320 is rotated and drives power transmission shaft 330 to rotate, and power transmission shaft 330 rotates (travelling gear 320 and cam with moving cam 310
310 are all integrally fixed on power transmission shaft 330).Cam 310 is rotated and promotes the pivoting of the first poke rod 710, the first poke rod
710 portion 712 that presses moves down and presses the second poke rod 720.The pivoting of second poke rod 720, the second poke rod 720
Catch bar 530 is touched in the pushing part 723 of the other end, departs from catch bar 530 and engages with transmission hook 520, make movable contact portion and
Stationary contact portion departs from, and reaches tripping operation purpose.
The body 731 of stirring of the lower end of the second poke rod 720 is provided with opening 731a, and one end of sensing chip 732 is located at opening
In 731a, located at the left side of sensing chip 732, the second inductor 734 is located at the right side of sensing chip 732 for the first inductor 733.
Second poke rod 720 will be stirred sensing chip 732 and moved right when trip position is turned to by closing position, with
Second inductor 734 on the right is contacted, and provides a switching signal, has now been tripped, because the effect of cam 310 makes transmission
Hook 520 and catch bar 530 are maintained at the state of a disengaging, are cannot to be carried out by Handleset 400 under this kind of state
Closing by hand.
It is rotated further to again 110 1 signals of motor, cam 310, the second reset bullet is provided with inside the second poke rod 720
Spring, the second poke rod 720 second back-moving spring stress when rotating.When motor 110 obtains signal and is rotated further, cam 310
Second end 711b of the poke rod 710 of convex portion 312 and first departs from, and the first poke rod 710 and the second poke rod 720 are respectively in bullet
Reset is rotated clockwise in the presence of spring force, now, the second poke rod 720 is rotated and promotes sensing chip 732 to left movement, sensing chip
732 contact with first inductor 733 on the left side, and to circuit a switching signal is provided, and can now enter "on" position, Ci Zhongzhuan
Not only can be with closing by hand but also can be with automatic closing under state.
In the utility model, the cam 310 of miniature circuit breaker 10, the first poke rod bar 710, the second poke rod 720, sensing
Device assembly 730 and catch bar 530 are at grade.
The utility model touches the first inductor 733 or the second inductor by the sensing chip 732 of inductor assembly 730
734, make circuit obtain the information of machine performance, and can control to allow closing by hand respectively and not allow closing by hand, Yi Jineng
Automatic closing and automatic trip.
The utility model is realized automation mechanized operation and is opened by using the several states above monolithic function Automated condtrol
Close.
Electric machine assembly 100 is driven in the rotation period of the rotation of component 300 that is connected has disengaging phase and drive phase, in de-
From interim, the component 300 that is connected is separated with Handleset 400；Interim in driving, be connected component 300 and Handleset
400 mount and drive Handleset 400 to move, and Handleset 400 is connected with kick contact assembly 500 and drives kick contact
The movable contact portion 510 of component 500 contacts to be closed a floodgate with stationary contact portion 800.
Wherein, the component 300 that is connected has disengaging configuration and drives position, and when the phase is departed from, be connected component 300
Correspondence is located at disengaging configuration, and at the phase of drive, the component 300 that is connected correspondence is located at and drives position.Be connected component 300 in
During disengaging configuration, the component 300 that is connected is separated with Handleset 400；Component 300 be connected when position is driven, be driven
Coupling assembly 300 is mounted with Handleset 400 and drives Handleset 400 to move.
Specifically, Fig. 1 is combined shown in Fig. 7 and Fig. 8, and the component 300 that is connected also includes gear hanging part 350, and gear is hung
Fitting 350 is connected in rotary shaft 330.Travelling gear 320 is engaged with worm screw 130, and worm screw 130 is driven by motor 110 and rotated, snail
Bar 130 is rotated with nutating gear 320, and travelling gear 320 is rotated by power transmission shaft 330 with moving gear hanging part 350.
Handleset 400 includes handle hook 410, handle main body 420 and Handle axis 430, and handle hook 410 rotates connection
In handle main body 420, Handle axis 430 are connected in handle main body 420.Wherein, the handle main body 420 of Handleset 400 with
Kick contact assembly 500 is connected by connector 540.
When the component 300 that is connected is rotated within the disengaging phase, gear hanging part 350 is not connected pass with handle hook 410
System (as shown in Figure 8).When the component 300 that is connected turns to the drive phase, gear hanging part 350 is opened with handle hook 410
Mouth is mutually mounted, and when the component 300 that is connected is rotated, gear hanging part 350 is moved up (such as Fig. 7 institutes with fixed handle hook 410
Show), handle hook 410 drives handle main body 420 to rotate around the axial line of Handle axis 430, and Handleset 400 passes through connector
The movable contact portion 510 of 540 drive kick contact assemblies 500 contacts to close a floodgate with stationary contact portion 800.
Separately, also there is elastic component 340, elastic component 340 is by hand between the casing of gearbox gear 120 and handle hook 410
Handle hook 410 is pressed on gear hanging part 350, so that gear hanging part 350 can be smooth in the phase of drive with handle hook 410
Mounting.
To sum up, the automatic trip method of miniature circuit breaker of the present utility model comprises the steps：
S100, the rear handle component that trips mutually is affiliated to by the transmission hook and catch bar of kick contact assembly, and first stirs
Bar has first position, and the second poke rod has closing position；
S200, the component that is connected pushes against the first poke rod, makes the first poke rod be rocked to the second place, the first poke rod
Pressing one end of the second poke rod makes the second poke rod be rocked to trip position, and now, the other end of the second poke rod is pushed away
Lever is rotated, and catch bar is separated with transmission hook, the rotation of the movable contact portion of kick contact assembly and with stationary contact part from and jump
Lock, wherein, the second poke rod location is sensed by inductor assembly；
S300, the component that is connected leaves the first poke rod, and the first poke rod returns back to first position, and the second poke rod is returned
Again to closing position, wherein, the first poke rod returns back to first position by (the first back-moving spring, and the second poke rod passes through second
Back-moving spring returns back to closing position.
Certainly, the utility model can also have other various embodiments, spiritual and its essence without departing substantially from the utility model
In the case of, those of ordinary skill in the art work as can make various corresponding changes and deformation, but these according to the utility model
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (10)
1. a kind of trip free device, in a miniature circuit breaker, the miniature circuit breaker includes housing and is connected to
Handleset, electric machine assembly, the component that is connected, kick contact assembly and stationary contact portion in the housing, it is characterised in that
Be connected component movement described in the electric machine assembly drive, and the component that is connected drives the dynamic of the kick contact assembly
Contact portion is swung to contact with the stationary contact portion, and the trip free device includes：
First poke rod, is driven by the component that is connected and is rotated；
Second poke rod, is driven by first poke rod and is rotated；
Wherein, the kick contact assembly includes catch bar, and second poke rod drives the catch bar to rotate so that described
Catch bar and Handleset depart from, and the movable contact portion and the stationary contact part from.
2. trip free device according to claim 1, it is characterised in that the kick contact assembly includes and the hand
The connected transmission hook of handle component, the transmission hook is mutually affiliated to the catch bar, and second poke rod drives the promotion
Bar is separated with the transmission hook.
3. trip free device according to claim 2, it is characterised in that first poke rod include the first main body with
And the swing part being connected in first main body and pressing portion, second poke rod includes the second main body and difference
The compression zone being connected in second main body and pushing part, the compression zone is corresponding with the portion that presses, the pushing part
It is corresponding with the catch bar, wherein, the swing part described in components drive that is connected, to drive the portion of pressing to press institute
Compression zone is stated, the pushing part drives the catch bar to separate with the transmission hook.
4. trip free device according to claim 3, it is characterised in that also including (the first back-moving spring, described first
Main body is connected in the housing by the (the first back-moving spring.
5. trip free device according to claim 3, it is characterised in that first main body includes first end and second
End, the first end is connected with the housing, and second end is the swing part, and second end presses portion's phase with described
Connection.
6. trip free device according to claim 5, it is characterised in that the component that is connected is including cam, institute
State cam correspondence second end to arrange.
7. trip free device according to claim 3, it is characterised in that also including second back-moving spring, described second
Main body is connected in the housing by the second back-moving spring.
8. trip free device according to claim 3, it is characterised in that also including being connected to the second main body lower section
Sensing second subjective situation inductor assembly.
9. trip free device according to claim 8, it is characterised in that the inductor assembly includes stirring body, sense
Answer piece, the first inductor and the second inductor, the body of stirring to be connected in second main body, first inductor and
Second inductor is separately positioned on the both sides of the sensing chip.
10. a kind of miniature circuit breaker, including housing and connection trip free device, Handleset, electricity on the housing
Thermomechanical components, be connected component and kick contact assembly, it is characterised in that the trip free device is claim 1 to 9 times
Trip free device described in one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610818488 | 2016-09-12 | ||
| CN2016108184888 | 2016-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148384U true CN206148384U (en) | 2017-05-03 |
Family
ID=58621261
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610867458.6A Pending CN107818894A (en) | 2016-09-12 | 2016-09-29 | A kind of miniature circuit breaker and its trip free device and method |
| CN201621096227.1U Active CN206148384U (en) | 2016-09-12 | 2016-09-29 | Miniature circuit breaker and automatic tripping device thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610867458.6A Pending CN107818894A (en) | 2016-09-12 | 2016-09-29 | A kind of miniature circuit breaker and its trip free device and method |
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| Country | Link |
|---|---|
| CN (2) | CN107818894A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807098A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of miniature circuit breaker and handle automatic closing component and closing switch method |
| CN108807100A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of miniature circuit breaker and automatic divide-shut brake control device and method |
-
2016
- 2016-09-29 CN CN201610867458.6A patent/CN107818894A/en active Pending
- 2016-09-29 CN CN201621096227.1U patent/CN206148384U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807098A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of miniature circuit breaker and handle automatic closing component and closing switch method |
| CN108807100A (en) * | 2017-05-04 | 2018-11-13 | 周思雨 | A kind of miniature circuit breaker and automatic divide-shut brake control device and method |
| CN108807100B (en) * | 2017-05-04 | 2023-08-22 | 周思雨 | Miniature circuit breaker and automatic switching-on/off control device and method |
| CN108807098B (en) * | 2017-05-04 | 2023-08-22 | 周思雨 | Miniature circuit breaker and handle automatic closing assembly and closing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107818894A (en) | 2018-03-20 |
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