CN106653509B - Remote-control miniature circuit breaker - Google Patents
Remote-control miniature circuit breaker Download PDFInfo
- Publication number
- CN106653509B CN106653509B CN201510725355.1A CN201510725355A CN106653509B CN 106653509 B CN106653509 B CN 106653509B CN 201510725355 A CN201510725355 A CN 201510725355A CN 106653509 B CN106653509 B CN 106653509B
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- China
- Prior art keywords
- pole
- handle
- breaking units
- extreme
- conducting rod
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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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/521—Details concerning the lever handle
-
- 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
- H01H71/08—Terminals; Connections
Abstract
A kind of remote-control miniature circuit breaker, including the pole N breaking units, the conducting rod that the pole P breaking units and one end are connect with the live part in the breaking units of the pole P, the pole N breaking units include the handle being mounted on its pedestal, the handle spring resetted for handle and the control circuit board being mounted in pedestal, the handle spring is connected in the circuit loop for control circuit board power supply, the other end of conducting rod is connected with one end of handle spring, the tache motorice of the handle spring is contacting and separating with the switch closing and switch opening movement of handle and the other end of circuit loop and realizes the conducting and disjunction of circuit loop.The present invention passes through the handle spring of the pole N breaker, realizes that the on-off for the circuit loop powered to control circuit board controls, simultaneously switches off circuit loop when breaker disconnects, the load end of guarantee breaker non-inductive voltage in circuit breaker tripping, security level is high, and compact-sized, easy to assembly.
Description
Technical field
The invention belongs to Low Voltage Electrical Apparatus, are related to a kind of remote-control miniature circuit breaker, can be used in pre-payment electric degree
Long-range control action is played in table, is mainly used in the places such as industry, business, high-rise and residential houses.
Background technique
Remote-control miniature circuit breaker is common one kind in miniature circuit breaker, it has the shunt opening for remotely controlling
Buckle releaser and wiring board, existing remote-control miniature circuit breaker mainly have 1P+N and 3P+N, and wherein the pole P breaker has overload
And short-circuit protection function, the on-off of the pole N breaker control zero curve, the lock in the breaker of the pole P pass through connecting shaft and the pole N breaker
Interior lock linkage.By being electrically connected for shunt release and control circuit board, remote-control miniature circuit breaker can be by remotely controlling
Signal control shunt opening trip coil processed realizes that delay is disconnected and resetted after connecting.Under normal conditions, the pole P breaker and N are extremely breaking
Device is two independent units, and shunt release and control circuit board are mounted in the breaker of the pole N.Control circuit board needs power supply
It supports, which is usually to obtain from the terminal plate (pole abbreviation P) of the pole P breaker, i.e., needs to pass through between control circuit board and the pole P
Conducting wire connection, while also needing to connect by conducting wire between control circuit board and the terminal plate (pole abbreviation N) of the pole N breaker, with shape
At the electric power loop of control circuit board.Traditional remote-control miniature circuit breaker due between control circuit board and the pole P without being isolated
Measure connect control circuit board with the pole P (i.e. phase line) always, is in electriferous state always, in this case, when control electricity
When road plate uses the structure connecting with the source side of the pole P, regardless of breaker is in combined floodgate, separating brake or which kind of state that trips, control
Circuit board charges always, so that there are security risks；When control circuit board uses the structure connecting with the load-side of the pole P,
When circuit breaker tripping, the induced voltage of the load end of breaker can cause impact failure to control circuit board, so as to cause open circuit
The security performance of device product is deteriorated.
The steel wire that current existing improvement project is connect for example, by using an one end with control circuit board, by the another of steel wire
The end at end is extend between the moving contact and static contact of the pole P breaker, when the pole P moving contact closure, moving contact and steel wire
End contact, when the moving contact disjunction of the pole P, moving contact is separated with the end of steel wire.But due in moving contact disjunction high current
There are electric arcs when (especially short circuit current), it constitutes ablation to tiny steel wire end and threatens, and steel wire end is easily made to generate electricity
The problems such as poor contact, damage, influence the security performance of circuit breaker.Another existing improvement project for example increases auxiliary
Switch, since existing component has been filled substantially with narrow space in miniature circuit breaker shell, it is difficult to again by additionally increasing device
Part solves the above problems to tie up and change existing structure, also makes breaker structure more complicated, often leads to original
The adaptive improvement larger workload of structure.
Summary of the invention
The small-sized open circuit of remotely control that the purpose of the present invention is to provide a kind of structures is simple, assembly efficiency is high, at low cost
Device.
To achieve the above object, present invention employs following technical solutions:
A kind of remote-control miniature circuit breaker, including the pole N breaking units 10, the pole P breaking units 20 and one end and P it is extremely breaking
The conducting rod 30 of live part connection in unit 20, the pole N breaking units 10 include the handle 3 being mounted on its pedestal 1, for hand
The handle spring 4 and the control circuit board 7 being mounted in pedestal 1, the handle spring 4 that handle 3 resets are connected on as control line
In the circuit loop that road plate 7 is powered, the other end of conducting rod 30 is connected with one end of handle spring 4, the handle spring 4
Tache motorice 42 be contacting and separating with the switch closing and switch opening movement of handle 3 and the other end of circuit loop and realize leading for circuit loop
Logical and disjunction.
Preferably, the pole the N breaking units 10 further include the elastic slice 5 being electrically connected with control circuit board 7, the handle bullet
The tache motorice 42 of spring 4 and the end thereof contacts of elastic slice 5 and separate the conducting and disjunction for realizing circuit loop.
Preferably, the elastic slice 5 is L shape laminated structure；It is provided on the pedestal 1 of the pole the N breaking units 10 convex
The L-shaped card slot 1c for accommodating and being fixedly mounted elastic slice 5 is provided on platform 1b, the boss 1b, the free end of elastic slice 5 is stretched
The outer tache motorice 42 with handle spring 4 of card slot 1c is elastically engaged out.
Preferably, the handle spring 4 includes being set with spring body 40 on the handle 3 and consolidating positioned at the both ends of spring body 40
Fixed end 41 and tache motorice 42, the fixing end 41 are fixed in the pedestal 1 of the pole N breaking units 10 and are electrically connected with conducting rod 30
It connects, the tache motorice 42 is connect with the handle 3 of the pole N breaking units 10, so that tache motorice 42 and the linkage of handle 3 realize that circuit returns
The conducting and disjunction on road.
Preferably, the elastic slice 5 of the pole the N breaking units 10 is electrically connected by P polar conductor 6 with its control circuit board 7, institute
The control circuit board 7 stated is electrically connected by N polar conductor 8 with the pole N terminal plate 9N；The P of the conducting rod 30 and the pole P breaking units 20
Pole terminal plate 9P electrical connection.
Preferably, the conducting rod 30 is zigzag structure, and the P including shaft 33 and positioned at 33 both ends of shaft is extreme
31 and N extreme 32, the N extreme 32 is connect with the fixing end 41 of the handle spring 4 in the pole N breaking units 10, the pole P
End 31 is connect with the live part in the pole P breaking units 20.
Preferably, it is provided with raised side wall 1a and first through hole 11 on the pedestal 1 of the pole the N breaking units 10, it is conductive
It is close to the raised side wall 1a after the N of the bar 30 extreme 32 insertion first through hole 11, to guarantee the fixing end 41 of handle spring 4
The N of conducting rod 30 extreme 32 can be pressed on the raised side wall 1a by means of the elastic force of handle spring 4.
Preferably, it is provided with raised side wall 1a on the pedestal 1 of the pole the N breaking units 10 and rides and is arranged in protrusion
First through hole 11 on the intersecting lens of side wall 1a and pedestal 1, in the N of conducting rod 30 extreme 32 from the mistake of outer insertion first through hole 11
The fixing end 41 of the handle spring 4 is opened in Cheng Zhongke exclusion, so as to form plug type between N extreme 32 and fixing end 41
Connection is compressed, also, the fixing end 41 of the handle spring 4 is tightly attached to while positioning on raised side wall 1a, it can occlusion part
Divide first through hole 11.
Preferably, first through hole 11, the pole the P breaking units are provided on the pedestal 1 of the pole the N breaking units 10
The second through-hole 22 is provided on 20 cap 2, pedestal 1 and/or shell between the pole N breaking units 10 and the pole P breaking units 20
It is provided on lid 2 and buries slot 22, the shaft 33 of the conducting rod 30 is mounted on this and buries in slot 22, and the N of conducting rod 30 extreme 32 is worn
It crosses first through hole 11 to connect with the fixing end 41 of handle spring 4, it is extremely disconnected that the P of conducting rod 30 extreme 31 passes through the second through-hole 22 and P
Live part connection in road unit 20.
Preferably, the P extreme 31 of the conducting rod 30 and the connection of the live part in the pole the P breaking units 20 are adopted
With plug type connection structure.
Remote-control miniature circuit breaker of the invention is by being connected to leading between the pole N breaking units and the pole P breaking units
The handle spring of electric pole and the pole N breaker realizes the on-off control for the circuit loop powered to the control circuit board in the breaker of the pole N
System, the structure simultaneously switch off the connection of circuit loop when breaker disconnects, guarantee the load end of breaker in circuit breaker tripping
When non-inductive voltage, security level is high, while also avoiding external cabling, without being tied up and being changed by additionally increasing device
Existing structure, it is compact-sized, it is novel in design, it is easy to assembly.The present invention it is ingenious be utilized it is original for circuit breaker handle reset
Handle spring, be connected in series in the route between the pole P terminal plate 9P and control circuit board 7, and by handle spring
Tache motorice be configured to be used for execute the structure of the moving contact end of the on/off of route.Additionally match using with the handle spring
The structures such as the elastic slice of set, can reliably realize the conducting and disjunction of circuit loop, and make the position for executing conducting and disjunction
Far from arc region, so as to effectively prevent ablative degradation of the electric arc to the part for participating in conducting and disjunction, in circuit breaker tripping,
The non-inductive voltage of the load end of breaker effectively increases the security performance and service life of product, also, structure is easy after improvement
In processing and assembly, and there is preferable economy.
Detailed description of the invention
Fig. 1 is the overall structure block diagram of the embodiment of remote-control miniature circuit breaker of the invention.
Fig. 2 is that the specific structure of the pole the N breaking units 10 in remote-control miniature circuit breaker of the invention shown in FIG. 1 shows
It is intended to.
Fig. 3 is that the specific structure of the pole the P breaking units 20 in remote-control miniature circuit breaker of the invention shown in FIG. 1 shows
It is intended to.
Fig. 4 is to show the A partial enlarged view of Fig. 2 of elastic slice 5 and its mounting structure.
Fig. 5 is the B partial enlarged view of Fig. 2, and the N extreme 32 in figure is in insert state.
Fig. 6 is the schematic diagram of the plug type connection structure under another working condition of Fig. 5, and the N extreme 32 in figure is in
Extraction state.
Fig. 7 is the specific knot of the handle spring 4 in the embodiment of remote-control miniature circuit breaker of the invention shown in FIG. 1
Structure schematic diagram.
Fig. 8 is the concrete structure schematic diagram of the conducting rod 30 in remote-control miniature circuit breaker of the invention shown in FIG. 1.
Fig. 9 is the overall structure block diagram of the second embodiment of remote-control miniature circuit breaker of the invention, extremely breaking using N
The tache motorice 42 of the handle spring 4 of unit 10 and extreme 32 closures of N/disjunction cooperation organization plan of conducting rod 30, realization pair
The on/off of the pole the P power supply of control circuit board 7 controls.
Figure 10 is the overall structure block diagram of the 3rd embodiment of remote-control miniature circuit breaker of the invention, extremely disconnected using P
The tache motorice 42P of the handle spring 4P of road unit 20 and extreme 31 closures of P/disjunction cooperation organization plan of conducting rod 30, it is real
Now the on/off of the pole the P power supply of control circuit board 7 is controlled.
Figure 11 is the overall structure block diagram of the fourth embodiment of remote-control miniature circuit breaker of the invention, using double break
Extreme 32 closures of N of point, the i.e. tache motorice 42 of the handle spring 4 of the pole N breaking units 10 and conducting rod 30/disjunction cooperates, while P
The tache motorice 42P of the handle spring 4P of pole breaking units 20 and extreme 31 closures of P/disjunction cooperation structure side of conducting rod 30
Case is realized and is controlled the on/off of the pole the P power supply of control circuit board 7.
Specific embodiment
Below in conjunction with the various embodiments that attached drawing 1 to 11 provides, the small-sized open circuit of remotely control of the invention is further illustrated
The specific embodiment of device.
A kind of breaker of the invention, including handle 3 and the handle spring 4 resetted for handle 3, the handle spring
4 are connected in a circuit loop of breaker, and one end of handle spring 4 and one end of circuit loop connect, the handle
The tache motorice 42 of spring 4 is contacting and separating with the switch closing and switch opening movement of handle and the other end of circuit loop and realizes circuit loop
Conducting and disjunction.It further include being connected on the elastic slice 5 cooperated in circuit loop with handle spring 4, one end of elastic slice 5 and circuit
The other end in circuit connects, the tache motorice 42 of the handle spring 4 with handle 3 switch closing and switch opening movement with elastic slice 5
The other end be contacting and separating and realize the conducting and disjunction of circuit loop.Breaker of the invention is ingenious be utilized it is original for breaking
The handle spring that road device handle resets, is connected in series in a circuit loop of breaker, and the tache motorice of handle spring is simultaneous
For executing the structure of the moving contact end of conducting and the disjunction of route, structure is simple, ingenious in design and at low cost.And by with hand
The elastic piece structure that handle spring matches can reliably realize the conducting and disjunction of circuit loop, play the role of overtravel protection.This hair
It is bright to realize circuit loop scheme in breaker using original handle spring resetted for circuit breaker handle, it can be used for N
In the remote-control miniature circuit breaker of pole breaking units and the pole P breaking units, the open circuit with shunt release can be used for
Device in the breakers such as leakage circuit breakers, can be used for the circuits such as the control circuit circuit in breaker and power supply circuit circuit and return
Lu Zhong.
Referring to Fig. 1, the overall structure block diagram of the embodiment of remote-control miniature circuit breaker of the invention is remotely controlled small-sized
Breaker includes the pole the N breaking units 10 for being provided with control circuit board 7, the pole P breaking units 20, and the pole N breaking units 10 are for controlling
The on-off of the neutral conductor of main circuit (not shown) processed, the pole P breaking units 20 are used to control the on-off of the phase line of main circuit, N
Pole breaking units 10 and the pole P breaking units 20 further include other conventional components, the handle spring 4 such as resetted for handle 3
Deng their function and structure is known, wherein the components that are not directed to of the present invention repeat no more.The control circuit board 7
It is electrically connected with the pole the N terminal plate 9N in the pole N breaking units 10, and passes through handle spring 4 and conducting rod 30 and the pole P breaking units 20
The interior pole P terminal plate 9P is electrically connected to form the circuit loop powered for control circuit board 7；The handle spring 4 of the pole N breaking units 10
It is connected in the route between conducting rod 30 and control circuit board 7,30 one end of conducting rod connects with the pole P in the pole P breaking units 20
The 9P connection of line plate, the other end are connected with one end of handle spring 4, the tache motorice 42 of the handle spring 4 with handle 3 conjunction
The other end of lock and separating brake movement and circuit loop, which is contacting and separating, to be realized the conducting of the circuit loop of control circuit board 7 and divides
It is disconnected.The pole N terminal plate 9N is that the power supply N of circuit loop is extreme, and the pole P terminal plate 9P is that the power supply P of circuit loop is extreme, the wiring of the pole N
The pole plate 9N and P terminal plate 9P can also be other live parts in the pole N breaking units 10 and the pole P breaking units 20 respectively.This hair
The bright control that will be originally intended to the handle spring 4 that handle 3 resets and be connected in series in the pole P power supply (terminal plate 9P) Yu the pole N breaking units 10
In route between wiring board 7 processed, and the tache motorice of handle spring is configurable for executing the conducting and disjunction of route
Moving contact end structure guarantees control circuit board non-inductive voltage in circuit breaker tripping, and security level is high, and compact-sized, assembly
It is convenient.
The pole the N breaking units 10 further include the elastic slice 5 cooperated with handle spring 4, it and the control circuit board 7
Electrical connection, the fixing end 41 of the handle spring 4 are connect with conducting rod 30, and the tache motorice 42 of the handle spring 4 is whipped
The switch closing and switch opening movement of handle 3 is contacting and separating with elastic slice 5 realizes the conducting and disjunction of circuit loop.This hair is shown in Fig. 1
The tache motorice 42 of handle spring 4 in bright remote-control miniature circuit breaker and elastic slice 5 are contacting and separating the structure of cooperation, and
The difference of the working principle of its on/off for being used for control circuit circuit, it and the handle spring of existing breaker is: existing
Miniature circuit breaker in handle spring be served only for the reset of handle, be not used in electrical connection, and handle spring of the invention, no
It is only used for the reset of handle 3, but also for being electrically connected, especially can also have control electricity concurrently with the structure of moving contact end
The function of the on/off in road circuit.
The handle spring of the pole N breaking units 10 is labeled as by the structure and function of handle spring for convenience of explanation below
Handle spring 4, and the handle spring of the pole P breaking units 20 is labeled as handle spring 4P.Handle spring 4 as shown in Figure 7 is to turn round
Spring, including spring body 40 and positioned at the fixing end 41 and tache motorice 42 at the both ends of spring body 40；Spring body 40 is sleeved on the pole N breaking units 10
Handle 3 on, fixing end 41 is connect with the pedestal 1 of the pole N breaking units 10, and tache motorice 42 is connect with the handle 3, the connection
So that tache motorice 42 and handle 3 link, which is configured as having tache motorice 42 as familiar moving contact
Closure/disjunction movement function, and the tache motorice 42 through the configuration is defined as moving contact end.Similar, the pole P breaking units 20
Handle spring 4P includes spring body 40P, fixing end 41P and tache motorice 42P；Spring body 40P is sleeved on the handle of the pole P breaking units 20
In (not shown), fixing end 41P is connect with the pedestal (not shown) of the pole P breaking units 20, tache motorice 42P with it is described
Handle connection, the connection so that tache motorice 42P and handle linkage realize circuit loop conducting and disjunction.
With the similar familiar static contact of described moving contact end (tache motorice of the handle spring) closure/disjunction cooperation that
The structure of sample is another beneficial feature of the invention, and certain this structure can be there are many scheme.A kind of preferred mode is such as
Fig. 2, shown in 4: be provided with boss 1b on the pedestal 1 of the pole the N breaking units 10, card slot 1c be provided on boss 1b；Elastic slice 5
One end be fixedly mounted in card slot 1c, the other end of elastic slice 5 is free end, and the free end is for the movement with handle spring 4
The conducting and disjunction of electric power loop are realized in 42 cooperation of end (referring to Fig. 1).More specific preferred structure is such as: the elastic slice 5 is L shape
Laminated structure；The pedestal 1 of the pole N breaking units 10 is equipped with corresponding L-shaped card slot 1c；L-shaped elastic slice 5 is fixed on card
In slot 1c, the free end of elastic slice 5 is stretched out the outer tache motorice 42 with handle spring 4 of card slot 1c and is elastically engaged.P polar conductor 6 penetrates convex
Being electrically connected for realization elastic slice 5 and control circuit board 7 is fixedly connected with elastic slice 5 in platform 1b；The control circuit board 7 also passes through N
Polar conductor 8 is electrically connected with the pole N terminal plate 9N realization.Electricity can be effectively improved using the cooperation of the tache motorice 42 of elastic slice and handle spring 4
The reliability in road circuit, prolongs the service life, and the tache motorice 42 of certain handle spring 4 can also realize electricity with the cooperation of other mechanisms
Closure/the disjunction in road circuit will be introduced in subsequent other embodiments.
As shown in figure 8, the conducting rod 30 be zigzag structure, it include shaft 33,33 both ends of shaft with shaft 33
Vertically disposed P extreme 31 and N is extreme；Electrical connector in N extreme 32 and the pole N breaking units 10, as N extreme 32 and N is extremely disconnected
The fixing end 41 of handle spring 4 in road unit 10 connects, and P extreme 31 (shows with the live part in the pole P breaking units 20 in figure
It connects out).It should be appreciated that arriving, the live part can be the various components with phases line voltage, as depicted in figs. 1 and 2
The pole P terminal plate 9P.The mounting structure of conducting rod 30 is as shown in Figures 1 to 6: setting on the pedestal 1 of the pole the N breaking units 10
It is equipped with first through hole 11, the second through-hole 22 is provided on the cap 2 of the pole P breaking units 20, is provided on pedestal 1 and/or cap 2
Bury slot 22；The shaft 33 of conducting rod 30 is mounted on burying in slot 22 between the pole N breaking units 10 and the pole P breaking units 20, realizes
Closing is fixed.Specifically, the N of conducting rod 30 extreme 32 pass through first through hole 11 after with being electrically connected in the pole N breaking units 10
Part, if handle spring 4 fixing end 41 connect, the P of conducting rod 30 extreme 31 pass through the second through-hole 22 after with the pole P breaking units 20
Interior live part connection.This structure of conducting rod 30, the advantage is that, make conducting rod 30 that can realize in-site installation, to realize
A kind of pole P breaking units 20 of model can match the pole the N breaking units 10 of different model, the elected pole N for wearing shunt release
When breaking units 10, mountable conducting rod 30 does not fill conducting rod when N pole breaking units 10 of the apolegamy without shunt release
30.Based on this functional requirement, need to the live part below about in the pole N breaking units 10 and the pole P breaking units 20 with
Connection structure between conducting rod 30, the optimization design of electing property.
The beneficial feature of another of the invention is that the connection of the conducting rod 30 and handle spring is grafting, it may be assumed that is led
Plug-in connection between electric pole 30 and the fixing end 41 of handle spring 4；Or the P extreme 31 and P of conducting rod 30 extremely open circuit are single
The connection of member 20 is plug-in connection.The connected structure of conducting rod 30 and handle spring can there are many implementations, a kind of preferred
Mode embodiment as shown in figure 2, figure 5 and figure 6: be provided with raised side wall 1a on the pedestal 1, and ride setting and exist
First through hole 11 on the intersecting lens of raised side wall 1a and pedestal 1；The fixing end 41 of handle spring 4 is tightly attached to raised side wall 1a
On, it can also shield portions first through hole 11 while realizing its positioning；It is logical from outer insertion first in the N of conducting rod 30 extreme 32
Fixing end 41 is opened in extreme 32 exclusion of N during hole 11, so as to form the compression of plug type between N extreme 32 and fixing end 41
Connection.Certainly, above structure mode is also applied for the P's extreme 31 of the conducting rod 30 and handle spring 41P of the pole P breaking units 20
The plug-in of fixing end 41P connects.Plug-in connection makes the unusual aspect of the assembly of conducting rod 30, carries out plug-in as needed
Installation.
The connection of the pole the P terminal plate 9P of the P extreme 31 and pole P breaking units 20 of the conducting rod 30 can also be using slotting
It connects, i.e., plug-in connects.Such as Fig. 1, embodiment shown in Fig. 9, P extreme 31 with the terminal plate 9P grafting of the pole P there is structure can have
It is a variety of, can be realized using any one known mode, similarly, the P of conducting rod 30 extreme 31 and the pole P breaking units 20 its
The connection of its live part is can also to be connected using plug-in.It is extreme in the N of conducting rod 30 in 3rd embodiment as shown in Figure 10
32 connect with control circuit board 7 make can also using connected structure, a kind of preferred scheme such as: on the control circuit board 7
It is provided with the sleeve (not shown) of electrical connection, the N of conducting rod 30 extreme 32 is mating with the sleeve, i.e. the pole N
Realize that plug type is electrically connected in a manner of being inserted into the sleeve in end 32.
The handle spring of remote-control miniature circuit breaker is connected in series in the circuit loop that control circuit board 7 is powered by the present invention
Embodiment there are many, shown in the second embodiment that provides such as Fig. 9: the handle spring is being used for for the pole N breaking units 10
The handle spring 4 that handle resets；Handle spring 4 is connected in the electric power loop of control circuit board 7, the fixing end of handle spring 4
41 are connect by the first conducting wire 6a with control circuit board 7, and control circuit board 7 passes through N polar conductor 8 and the pole N terminal plate 9N (power supply N
Extremely) it is electrically connected；The P of conducting rod 30 extreme 31 is electrically connected with the pole P terminal plate 9P (power supply P is extreme), the tache motorice of handle spring 4
42 are contacting and separating with the switch closing and switch opening operation of breaker and the N extreme 32 of conducting rod 30 realizes the conducting of circuit loop and divides
It is disconnected that (that is: when handle 3 is in closing position, tache motorice 42 is contacted with N extreme 32；When handle 3 is in separating brake or trip position
When, tache motorice 42 is separated with N extreme 32).Since tache motorice 42 and N extreme 32 are far from the moving contact (figure in the pole N breaking units 10
In be not shown) and static contact (not shown), therefore can effectively avoid the electric arc pair generated in moving contact disjunction high current
In the destruction of tache motorice 42 and N extreme 32, it can effectively ensure closure/disjunction electrical resistance between tache motorice 42 and N extreme 32
Energy and service life.
Shown in the 3rd embodiment provided such as Figure 10: the handle spring is the multiple for handle of the pole P breaking units 20
The pole the P handle spring 4P of position, the pole the P handle spring 4P are connected in the electric power loop of control circuit board 7；；Control route
Plate 7 is connect by N polar conductor 8 with the pole N terminal plate 9N, and the N of conducting rod 30 extreme 32 is connect with control circuit board 7, handle spring
The fixing end 41P of 4P is connect by the second conducting wire 6b with the pole P terminal plate 9P, and the tache motorice 42P of handle spring 4P is single with P extremely open circuit
The switch closing and switch opening operation of the handle (not shown) of member 20 and the P extreme 31 of conducting rod 30 are contacting and separating, and realize circuit
The conducting and disjunction in circuit.That is: when the handle of the pole P breaking units 20 is in closing position, tache motorice 42P and P extreme 31 is closed
It closes；When the handle is in separating brake or trip position, tache motorice 42P and extreme 31 disjunction of P.Due to the pole tache motorice 42P and P
End 31 can effectively avoid big in moving contact disjunction far from the moving contact and static contact (referring to Fig. 5) in the pole P breaking units 20
Destruction of the electric arc generated when electric current for tache motorice 42P and P extreme 31, can effectively ensure between tache motorice 42P and P extreme 31
Closure/disjunction electric property and service life.
Be a kind of structure of double breaking points shown in the fourth embodiment provided such as Figure 11: the handle spring is that N is extremely breaking
The handle spring 4 of unit 10 resetted for handle and the pole the P handle spring 4P of the pole P breaking units 20 resetted for handle；
The handle spring 4 is connected in the electric power loop of control circuit board 7, and the pole P handle spring 4P is also connected on control route
In the electric power loop of plate 7；The fixing end 41 of handle spring 4 is connect by the first conducting wire 6a with control circuit board 7, control circuit board
7 are connect by N polar conductor 8 with the pole N terminal plate 9N, and the fixing end 41P of handle spring 4P is single by the second conducting wire 6b and P extremely open circuit
The pole the P terminal plate 9P connection of member 20；The tache motorice 42 of the handle spring 4 of the pole N breaking units 10 is grasped with the switch closing and switch opening of handle 3
Make to be contacting and separating with the N extreme 32 of conducting rod 30, while the tache motorice 42P of the handle spring 4P of the pole P breaking units 20 is with the pole P
The switch closing and switch opening operation of the handle (not shown) of breaking units 20 and the P extreme 31 of conducting rod 30 are contacting and separating, real
The conducting and disjunction of existing circuit loop.Clearly as the handle of the handle 3 of the pole N breaking units 10 and the pole P breaking units 20 is connection
Dynamic, so: when the handle 3 of the pole N breaking units 10 is in closing position, the handle of the pole P breaking units 20 is also at combined floodgate
Position, extreme 32 closure of the tache motorice 42 and N of the pole N breaking units 10, while the tache motorice 42P and P of the pole P breaking units 20 is extreme
31 closures；When the handle 3 of the pole N breaking units 10 is in separating brake or trip position, the handle of the pole P breaking units 20 is also at point
Lock or trip position, the tache motorice 42 of the pole N breaking units 10 and extreme 32 disjunction of N, while the tache motorice of the pole P breaking units 20
42P and extreme 31 disjunction of P.Since the tache motorice 42 and N extreme 32 of the pole N breaking units 10 are far from dynamic in the pole N breaking units 10
Contact and static contact (referring to Fig. 5), therefore can effectively avoid the electric arc generated in moving contact disjunction high current for tache motorice
The destruction of 42 and N extreme 32, can effectively ensure the closure/disjunction electric property and use between tache motorice 42 and N extreme 32
Service life；Simultaneously as the tache motorice 42P and P extreme 31 of the pole P breaking units 20 is far from the moving contact (figure in the pole P breaking units 20
In be not shown) and static contact (not shown), therefore can effectively avoid the electric arc pair generated in moving contact disjunction high current
In the destruction of tache motorice 42P and P extreme 31, it can effectively ensure that closure/disjunction between tache motorice 42P and P extreme 31 is electrical
Performance and service life.
Another beneficial feature of the invention is a conduct piece of the conducting rod 30 as double breaking points, simultaneously
Handle spring 4P closure/disjunction cooperation with the handle spring 4 and the pole P breaking units 20 of the pole N breaking units 10 is (as shown in figure 11
Fourth embodiment), the advantages of this structure, is, the plug-in structure very simple of conducting rod 30, installation conducting rod 30
It is easy to operate, only it need to make following configure: by the position alignment hand of the first through hole 11 on the pedestal 1 of the pole N breaking units 10
A suitable position (settling position when combined floodgate) in the stroke of the tache motorice 42 of handle spring 4, so that the tache motorice when closing a floodgate
42 with insertion first through hole 11 in conducting rod 30 N it is extreme 32 closure, and the tache motorice 42 in separating brake or tripping and insertion
Extreme 32 separation of the N of conducting rod 30 in first through hole 11；Meanwhile by the position of the second through-hole 21 on the pole P breaking units 10
A suitable position (settling position when combined floodgate) in the stroke of the tache motorice 42P of alignment handle spring 4P, so that when closing a floodgate
The second through-hole 21 of tache motorice 42P and insertion in conducting rod 30 extreme 31 closure of P, and the tache motorice in separating brake or tripping
42P is separated with the P extreme 31 of the conducting rod 30 in the second through-hole 21 of insertion.
The present invention is connected in series in the electricity between the pole P breaker and the control circuit board of the pole N breaker using handle spring
The electric connection structure that another structure design involved in the feature of access and open circuit is exactly the fixing end of handle spring is formed in road,
The structure includes two kinds of embodiments: a kind of mode is mentioned-above connected structure, it needs the connector such as conducting rod 30,
The connector will have preferable rigidity, otherwise cannot achieve grafting；Another kind is the electric connection structure of non-plug-in type, it is to even
The rigidity of fitting such as plain conductor is not necessarily to particular requirement.In the electric connection structure using non-plug-in type, pipe connections are not to lead
Electric pole 30 or other (the first conducting wire 6a in the fourth embodiment of second embodiment and Figure 11 that such as Fig. 9 is provided provided, figures
The second conducting wire 6b in 10 3rd embodiment provided), a kind of available structure use is as follows: the conducting rod 30
The structure connected between N extreme 32 and the fixing end 41 of handle spring 4, including being arranged on the pedestal 1 of the pole N breaking units 10
Raised side wall 1a and first through hole 11, N extreme 32 are close to the raised side wall 1a after being inserted into first through hole 11, also, fixed
N extreme 32 is pressed on raised side wall 1a by end 41 by means of the elastic force of handle spring 4.Obviously, this structure handle spring 4
Contact pressure of the elastic force as electrical connection, has the characteristics that structure is simple, easy to assembly.Due to the first conducting wire 6a and the second conducting wire
The other end of 6b also need with other components (such as control circuit board 7 or the pole P terminal plate 9P are connect, thus for convenience of assemble, can be selected
Following connection structure mode: the fixing end 41 or 41P of the handle spring) between the first conducting wire 6a or the second conducting wire 6b
Electric connection structure, including the sleeve (not shown) being connected on the first conducting wire 6a or the second conducting wire 6b, it is sleeved on
In fixing end, to realize being electrically connected between sleeve and fixing end 41 or 41P.First conducting wire 6a or the second conducting wire 6b and wiring
Welding or integrated formed structure can be used in connection between set, and under the elastic force effect of handle spring, the sleeve structure can
Obtain the reliability of good electrical connection properties and installation positioning.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (9)
1. a kind of remote-control miniature circuit breaker, including the pole N breaking units (10), the pole P breaking units (20) and one end and P are extremely disconnected
The conducting rod (30) of live part connection in road unit (20), the pole N breaking units (10) include the hand being mounted on its pedestal (1)
Handle (3) is used for the handle spring (4) that handle (3) reset and the control circuit board (7) being mounted in pedestal (1), and feature exists
In: the handle spring (4) is connected in the circuit loop for control circuit board (7) power supply, and handle spring (4) includes fixing
(41) and tache motorice (42) are held, the N extreme (32) of conducting rod (30) is connected with the fixing end (41) of handle spring (4), described
Handle spring (4) tache motorice (42) with handle (3) switch closing and switch opening movement and another end in contact of circuit loop and divide
From the conducting and disjunction for realizing circuit loop；
Raised side wall (1a) and first through hole (11), conducting rod are provided on the pedestal (1) of the pole the N breaking units (10)
(30) N extreme (32) is inserted into the first through hole (11) and is close to the raised side wall (1a) afterwards, to guarantee handle spring (4)
The N of conducting rod (30) extreme (32) can be pressed in the raised side wall by means of the elastic force of handle spring (4) by fixing end (41)
On (1a).
2. remote-control miniature circuit breaker according to claim 1, it is characterised in that: the pole the N breaking units (10)
It further include the elastic slice (5) being electrically connected with control circuit board (7), the one of the tache motorice (42) of the handle spring (4) and elastic slice (5)
The conducting and disjunction of circuit loop are realized in end in contact and separation.
3. remote-control miniature circuit breaker according to claim 2, it is characterised in that: the elastic slice (5) is L shape sheet
Structure；It is provided with boss (1b), is arranged on the boss (1b) useful on the pedestal (1) of the pole the N breaking units (10)
In the L-shaped card slot (1c) for accommodating and being fixedly mounted elastic slice (5), the free end of elastic slice (5) stretch out card slot (1c) outside with handle bullet
The tache motorice (42) of spring (4) is elastically engaged.
4. remote-control miniature circuit breaker according to claim 1, it is characterised in that: the handle spring (4) includes
The fixing end (41) and tache motorice (42) of the spring body (40) and the both ends positioned at spring body (40) that are sleeved on handle (3), it is described
Fixing end (41) is fixed in the pedestal (1) of the pole N breaking units (10) and is electrically connected with conducting rod (30), the tache motorice
(42) it is connect with the handle (3) of the pole N breaking units (10), so that circuit loop is realized in tache motorice (42) and handle (3) linkage
Conducting and disjunction.
5. remote-control miniature circuit breaker according to claim 2, it is characterised in that: the pole the N breaking units (10)
Elastic slice (5) be electrically connected with its control circuit board (7) by P polar conductor (6), the control circuit board (7) passes through N polar conductor
(8) it is electrically connected with the pole N terminal plate (9N)；The conducting rod (30) and the pole P terminal plate (9P) of the pole P breaking units (20) are electrically connected
It connects.
6. remote-control miniature circuit breaker according to claim 1, it is characterised in that: the conducting rod (30) is Z-shaped
Shape structure, extreme (32) including shaft (33) and the P extreme (31) and N that are located at shaft (33) both ends, the P is extreme (31)
It is connect with the live part in the pole P breaking units (20).
7. remote-control miniature circuit breaker according to claim 1 or 6, it is characterised in that: the pole the N breaking units
(10) it is provided with raised side wall (1a) on pedestal (1) and rides setting in the intersecting lens of raised side wall (1a) and pedestal (1)
On first through hole (11), can squeeze open during the N of conducting rod (30) extreme (32) is from outer insertion first through hole (11)
The fixing end (41) of the handle spring (4), so as to form the compression of plug type between N extreme (32) and fixing end (41)
Connection, also, the fixing end (41) of the handle spring (4) is tightly attached to while positioning on raised side wall (1a), can be blocked
Part first through hole (11).
8. remote-control miniature circuit breaker according to claim 1 or 6, it is characterised in that: the pole the N breaking units
(10) it is provided with first through hole (11) on pedestal (1), is provided with second on the cap (2) of the pole the P breaking units (20)
Through-hole (22) is provided on the pedestal (1) and/or cap (2) between the pole N breaking units (10) and the pole P breaking units (20)
It buries slot (22), the shaft (33) of the conducting rod (30) is mounted on this and buries in slot (22), and the N extreme (32) of conducting rod (30) is worn
It crosses first through hole (11) to connect with the fixing end (41) of handle spring (4), the P extreme (31) of conducting rod (30) passes through the second through-hole
(22) it is connect with the live part in the pole P breaking units (20).
9. remote-control miniature circuit breaker according to claim 8, it is characterised in that: the pole P of the conducting rod (30)
The connection of (31) and the live part in the pole the P breaking units (20) is held to use plug type connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725355.1A CN106653509B (en) | 2015-10-30 | 2015-10-30 | Remote-control miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725355.1A CN106653509B (en) | 2015-10-30 | 2015-10-30 | Remote-control miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106653509A CN106653509A (en) | 2017-05-10 |
| CN106653509B true CN106653509B (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510725355.1A Active CN106653509B (en) | 2015-10-30 | 2015-10-30 | Remote-control miniature circuit breaker |
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| Country | Link |
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| CN (1) | CN106653509B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511280A (en) * | 2018-06-04 | 2018-09-07 | 浙江德菱科技股份有限公司 | Miniature circuit breaker with electricity-getting switch node |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202307741U (en) * | 2011-10-21 | 2012-07-04 | 浙江华航电气股份有限公司 | Shunt excitation delay controller |
| CN202796775U (en) * | 2012-09-17 | 2013-03-13 | 温州罗格朗电器有限公司 | Electricity fetching device of circuit board |
| CN103187215A (en) * | 2011-12-30 | 2013-07-03 | Ls产电株式会社 | Shortage voltage trip device of molded case circuit breaker |
| CN205177748U (en) * | 2015-10-30 | 2016-04-20 | 浙江正泰电器股份有限公司 | Remote -control miniature circuit breaker |
-
2015
- 2015-10-30 CN CN201510725355.1A patent/CN106653509B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202307741U (en) * | 2011-10-21 | 2012-07-04 | 浙江华航电气股份有限公司 | Shunt excitation delay controller |
| CN103187215A (en) * | 2011-12-30 | 2013-07-03 | Ls产电株式会社 | Shortage voltage trip device of molded case circuit breaker |
| CN202796775U (en) * | 2012-09-17 | 2013-03-13 | 温州罗格朗电器有限公司 | Electricity fetching device of circuit board |
| CN205177748U (en) * | 2015-10-30 | 2016-04-20 | 浙江正泰电器股份有限公司 | Remote -control miniature circuit breaker |
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| Publication number | Publication date |
|---|---|
| CN106653509A (en) | 2017-05-10 |
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