CN106663552B - The device with movable contact of no conductive braided fabric object - Google Patents
The device with movable contact of no conductive braided fabric object Download PDFInfo
- Publication number
- CN106663552B CN106663552B CN201580034267.5A CN201580034267A CN106663552B CN 106663552 B CN106663552 B CN 106663552B CN 201580034267 A CN201580034267 A CN 201580034267A CN 106663552 B CN106663552 B CN 106663552B
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- China
- Prior art keywords
- movable contact
- contact
- holding part
- section
- lug
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
- H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
- H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
- H01H2001/223—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member using a torsion spring
Landscapes
- Breakers (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to a kind of devices at least one movable contact; it is used to protect equipment, and it is equal to the holding part of the quantity of movable contact, the supporting element fixed relative to shell for allowing the movable contact to pivot and positioned at two torsion/compression helical springs for being pivotally connected two sides which, which has quantity,.The spring includes straight end portion and crooked end, which is arranged to be used for bearing against in the inside face of holding part, which is arranged to be used for being attached to lug, and the lug is prominent from the end for the movable contact being arranged in the holding part.The crooked end of lug and spring is constructed and is oriented to so that the crooked end of spring applies double reaction plus on lug.In addition the lug also applies approximately along same direction line but towards being applied to the power for bearing against the opposite direction of the reaction force in the portion of the straight end on the face with inside face.
Description
Technical field
The present invention relates to a kind of devices at least one movable contact, are used for the protection equipment of route, such as
Breaker or differential gear etc..The present invention is consequently belonging to traditionally be plugged at least one power circuit and ensure to set to described
The field of the equipment of the protection of standby downstream installation.
Background technique
In this case, for every route, these protection equipment include being arranged between the interface unit of the route
Fixed contact therefor and movable contact.There must be the movable contact of certain mobile range generally to use the shape of rotating arm
Formula, is fixed with contact chip at the free end of the arm, and the arm can be in the closure position for the on piece for bearing against fixed contact therefor
It sets and is pivoted between the open position that is separated by a certain distance with the fixed contact therefor.
In the case where the route including these contacts goes wrong (such as due to current overload or short circuit), equipment is protected
Function be quickly to make movable contact to separate with fixed contact therefor and open-circuit line, in order to avoid damage constitute it is to be protected
Circuit equipment and device.
For this purpose, these protection equipment include movable contact load-bearing part, the movable contact load-bearing part with for via
The control handle of the position of the mechanical each movable contact of lock control connects, which passes to contact for the position of handle
And vice versa, which can also detect device by short circuit or current overload and activate towards the direction for disconnecting contact.The lock is then
Actuating contact part load-bearing part and one or movable contact are to carry out the disconnection.
These protection equipment can be monopole or multipole, especially three-phase.In all of these situations, contact is held
The movement of all movable contacts of holder management equipment protection equipment, the quantity of movable contact corresponds in practice is protected
The quantity of the route of shield.
Movable contact is not that contact load-bearing part is fixed in a manner of locking, is movably connect because allowing for generating
The controlled rotation stroke of contact element and contact load-bearing part relative to each other, to ensure contact force when contact closure.Each may be used
Dynamic contact is therefore by means of including that the linkwork of at least one torsionspring is connect with contact load-bearing part.For route
It disconnects and for the permanent dual connection (electricity from each movable contact to the attachment device for being connected to circuit to be protected
Connection and mechanical connection), which must also ensure that contact load-bearing part/movable contact component pivot.Therefore, it is necessary to right
It pays the dual restrictive condition of the permanent connection and is kept in contact the movable feature of part, which has meant to machinery
Contact is so that electric current passes through.
In practice, these contact load-bearing parts include quantity be equal to movable contact quantity holding part.Each appearance
The portion of setting includes the different component for allowing for aforementioned function, and holding part/component assembly in fact forms linkwork.It is practicing
In, the component constitutes hinged sub-component, with ease of assembly.Holding part for example accommodates as a result:
The part for being able to carry out rotation of movable contact, together with contact load-bearing part and route rest part,
Device for ensuring to be pivoted relative to each other, form in this is pivotal axis；
At least one torsion-coil spring substantially coaxial with the axis and that allow to apply contact force；
With the interconnecting piece of the downstream part towards O connection system direction of circuit.
It should be noted that the latter connecting portion in short circuit or current overload detection device at or its upstream, the interconnecting piece
It therefore must be using the form allowed with these device coordinations.In the present case, the interconnecting piece is not according to existing
What a kind of feasibility being commonly used in technology was realized by means of compliant conductive braided fabric, but via with a degree of
What the firm interconnecting piece of freedom degree (rotation) was realized, which includes the supporting element fixed relative to apparatus casing, should
On the one hand firm interconnecting piece allows each arm of movable contact to be pivoted according to the interconnecting piece for allowing circuit to pass through, on the other hand permit
Permitted to be connected to protected route.
The presence of relative rotation between contact load-bearing part and the arm of movable contact requires contact load-bearing part to have
The part of the rounded geometrical construction of shape, the interconnecting piece that the composition of component is connect with route rest part is rounded from the shape
Geometrical construction it is prominent.The holding part of contact load-bearing part has cylindrical outer shape as a result, and having allows to introduce linkwork
Opening, the support including movable contact, rotary shaft or equivalent fixture, one or more helical spring and the pivot for arm
Part.These components are also assembled into operable so-called hinged sub-component itself, which has relative to mobile contact
The symmetrical shape of longitudinal mid-plane of the arm of part, holding part itself are also such.
Such construction is present in the prior art, such as in patent EP 2 323 155, this patent illustrate one kind
Construction based on identical components, the bearing generation pivoted in addition to the arm that its pivoting axis is allowed to movable contact relative to supporting element
It replaces.
Rotary connector between the two elements must be allowed for electric current to pass through and therefore realize to ensure such pass through
It contacts section (plage).Exactly for this reason, said spiral torsionspring includes disengaged spiral winding, and is also used
Make the compressed spring with pivot axis applied force in parallel, the contact force ensured ensures that electric current is in contact in rotary connector
Pass through on part arm/support system apparent surface.
Therefore, holding part (having been observed that holding part allows for the relative rotation of different component) must also allow spring
It is correct to bear against, so that spring can play a dual role of its torsion and compression.In the type construction, difficulty is to ensure that
It readily installs, be then held in place hinged sub-component in holding part, and neither interfere the pivot of arm nor interfere spring
Operation.
Summary of the invention
Specific configuration as present subject matter meets these standards by proposing a kind of design, in this design,
Each component has been optimized to cope with all mechanically and electrically in these contact load-bearing parts/movable contact assembly appearance
Gas problem.
In summary, the device of the invention includes: in insulation shell
Contact load-bearing part is connect, the machinery with the control handle for the position via mechanical lock control contact
Lock is also short-circuited or current overload detection device actuating, and the movement of lock is transferred to each movable contact,
The contact load-bearing part includes the holding part for the quantity that quantity is equal to movable contact, and each holding part holds
It sets with lower member:
The other end of movable contact,
The supporting element fixed relative to shell, one side allow the movable contact according to the company for allowing electric current to pass through
Socket part pivots, and on the other hand allows attachment to protected route,
The other end of movable contact and the axis of supporting element are passed through along pivot axis, and
Two torsion/compression helical springs that are substantially coaxial with the axis and being located at pivot section two sides are arranged to,
The holding part is with cylindrical outer shape and has opening, which, which allows to introduce, is assembled into hinged sub-component
The component, the hinged sub-component have relative to movable contact arm the symmetrical shape of longitudinal mid-plane, each
Holding part also has the symmetry relative to the plane.
Then, of the invention to be primarily characterized in, each holding part includes the groove with straight shape, and the groove is real
It now in the side wall for being approximately perpendicular to pivot axis of holding part and is open in the opening, thus to have functional clearance
Ground accommodates and guides the end of the axis；And be, the spring includes substantially straight end and crooked end, this is substantially straight
End is arranged to be used for bearing against the inside face of holding part, constitutes unique breasting region of the spring on contact load-bearing part, should
Crooked end is arranged to be used for being attached to lug, the lug from the end for the movable contact being disposed in holding part to
Sidewall direction it is prominent, the lug is located at that side opposite with arm relative to pivot axis.Then, the lug and spring
Crooked end be constructed and be oriented to so that spring crooked end on lug approximately along the axis direction line of groove
(direction) and towards both direction (sens) apply double reaction plus, constitute each spring on the sub-component only
One zone of action.Finally, the lug be applied to it is on same direction line but be applied to inner surface bear against it is straight on the face
The contrary active force of reaction force on end.
Allow to be readily inserted into the hinged sub-component of the arm composition around movable contact on these characteristic facts as a result,
And these features ensure the sub-component being properly positioned in its holding part, regardless of operating condition.
In principle, in existing solution, the balance of torsionspring is always born against by three point types being distributed in this wise
Portion ensures: bearing and leaning portion in each of its end tab and inside spring body (such as on central axial line)
Third bearing and leaning portion.Alternatively, third bearing and leaning portion can be realized on the outside of spring body, be to be inserted with wherein in practice
It is realized in the holding part of the spring.
In used solution, the center portion for constituting spring body is never contacted with the axis of centres, also never
It is contacted with the bottom of the holding part of contact load-bearing part.
It is proper that Dual-contack at the arm lug outstanding from movable contact, which makes bearing and leaning portion no longer,
Point type, but it is considered as the interconnecting piece of pivot type in practice.Under all operating condition, movable contact and its axis
It is held in place well at the bottom of two straight grooves, because the Dual-contack applies approximately along the side of the axis of groove
To the active force of line, the stable position of hinged sub-component is also as by the lug on the one hand and holding part on the other hand
The counter force that is applied on two ends of spring of apparent surface and cause.
According to a kind of feasible construction, movable contact is formed by two symmetric elements, and each element includes first part
And second part, the first part extend side by side along symmetrical plane symmetric part corresponding with another element to form arm,
The second part is formed by the ear towards external bias, and the symmetrical ear of the ear and another element, which is formed together to have, to be made a reservation for
The inner space of width, the second part are installed with the aperture for passing through the axis and including being arranged to be used for and spring
The lug of cooperation.
Electrical connection with securing supports realized by contact section be it is basic, the geometrical construction in the contact section is permitted
Perhaps ensure passing through for relative rotary motion and certain current density simultaneously.In the case where selected construction, the yoke formula
Design (conception en é trier) constitutes the good solution for allowing to meet two restrictive conditions, and can be by means of
The adjustment of the different piece of component is optimized.
The first part may include the ribs with longitudinal shape as a result, i.e. the reinforcing ribs is especially being pressurized
Flexural stress is subjected to when bearing against fixed contact therefor.
In addition, the second part can be using the circular geometry construction for being suitable for rotation naturally, circular geometry construction
Constant connection section is provided, although the relative motion of arm and supporting element.
In addition, moving in the window that moveable arm can be realized in the wall in holding part, especially ensuring contact pressure
Relative rotation at the time of.According to position of the arm in the window, a part of of the window can be unlimited, and permission is sensible extremely
It is arranged in the component of the hinged sub-component inside holding part.However, for example in a short-circuit situation, the disconnection of contact leads to electricity
The movement of arc, the electric arc can influence the part, and possibly destroy or damage electromagnetism connection.This is why movable contact
The first part of arm can also comprise at least one convex block of the protective cover for fixing the component.
Supporting element of movable contact itself is then made of such component: the component includes first with planar shape
Section, first not equal be equipped with are used for the aperture that the axis passes through, have the pre- of the inner space for being substantially equal to movable contact
The width of fixed width degree, and there is the geometrical construction formed with the section of the face contact in face of the inner space, the first segment exists
It is changed into the second section outside holding part, which is configured to form the interface connecting with detection device.
On the one hand two functions that can find out supporting element well, i.e., ensure opposite together with the arm of movable contact
On the other hand the feasibility of rotary motion allows the connection with the detection device in the downstream for being located at contact pair.
It is mutually echoed according to a kind of rotating contact section at the second part described above about the arm of movable contact
Feasibility, the part in the contact section that the formation of the first segment of the supporting element is contacted with movable contact has round outer
Shape.
According to a feasible modification, the interface connecting with detection device may include the conduction for extending first section
Bar, the conducting rod are intended to be passed through in ring type current sensor (un capteur de courant de type tore), and
Connection section of the free end in its exit for being located at ring (tore) equipped with the electric wire for being connected to protected route.
The example corresponds to such detection of electrons device: the detection of electrons device includes running as current sensor
Ring sends the signal proportional to the electric current passed through in the line to electronic processing circuit.According to from such current sense
The signal that device receives, electronic circuit can activate the triggering actuator of mechanical lock.
According to the second possible variant, first section can be extended by the plate with planar shape, which has
It is substantially equal to the thickness of the thickness of first section, and is installed with passing through for attachment screw for making to be connected to detection device
Aperture.
The modification be intended to in the shell for being located in equipment with can Crush trigger lock magnetic thermal detector part together with run,
Magnetic thermal detector part is substantially magnetic coil and such as bimetal leaf.
According to a kind of feasibility, the supporting element to cooperate with magnetic thermal detector part is arranged to be used for by least in the first section
In relative to symmetrical two components of longitudinal mid-plane of the arm of movable contact realize that each component is prolonged by such part
Long: the part has and the shape of the symmetrical shape of another part equipped with Chong Die free end at the position of aperture.
Detailed description of the invention
The present invention is described in more detail now with reference to attached drawing, in the accompanying drawings:
Fig. 1 is provided with the sectional view of the breaker of the device according to the present invention with movable contact；
Fig. 2 illustrate in perspective view the fixed contact therefor according to the present invention for a route/have movable contact
Device component；
Fig. 3 shows the device with movable contact of the invention with exploded perspective；
Fig. 4 is that the side view of the component of such fixed contact therefor/device with movable contact according to the present invention is cut
The proximal, side wall of face figure, holding part is cut；
Fig. 5, which is illustrated in perspective view, is inserted into sub-component in contact load-bearing part；
Fig. 6 is the cross-sectional view for the sub-component being inserted into contact load-bearing part；
Fig. 7 is held with the insertion contact that partial cutaway perspective view was shown during the spring loads stage marked by arrow
The proximal, side wall of sub-component in holder, contact load-bearing part is cut as shown in Figure 4；
Fig. 8 shows the power on two ends for being applied to spring when spring is fixed to inside contact load-bearing part；
And
Fig. 9 a and Fig. 9 b show the modification with electronic overload or short-circuit detecting device.
Specific embodiment
Referring to Fig.1, there is shown with breaker 1, which is equipped with the insulation shell B of molding herein, traditionally includes
Handle 2 is controlled, which is connected to contact via mechanical lock 3 (since it does not constitute the present invention so being not explained in detail)
Part load-bearing part 4, the contact load-bearing part 4 support the movable contact 5 for being arranged to be used for cooperating with fixed contact therefor 6.
The connection for being connected to route 7,8 to be protected is disposed in 6/ movable contact of fixed contact therefor, 5 pairs of two sides
Device.The movement of the transmitting control handle 2 of mechanical lock 3.As a result, the control handle 2 be tilted to it in the housing can be all over the rotation of warp
Turn two ends in path, the two ends correspond to two stable positions, and described two each embodiments in stable position connect
A kind of state of contact element: it perhaps disconnects and at a distance from each other or is closed and bears against on each other.
Mechanical lock 3 especially includes toggle joint type mechanism, allows the movement for assigning control handle 2 passing to contact carrying
Part 4 and movable contact 5.Problematic in the line (such as: current overload or short circuit) in the case where, detection device 9 (such as shape
Formula is that the calorifics of bimetal leaf detects device and such as form is the magnetic detection device of coil and the magnetic circuit with movable vane)
Actuating can interrupt the trigger of the balance of mechanical lock 3, which then causes contact 5,6 to disconnect.
Referring to Fig. 2, it is welded with the fixed contact therefor of the terminal of the piece including piece 17 ' and thereon (generally with attached drawing mark
6 instruction of note) it is located near the base portion of the shell B moulded, the free end of the fixed contact therefor is intended to cooperate with attachment device 7.
Movable contact 5 has included from the arm 16 of contact load-bearing part 4, and furthermore supporting element 10 is in contact load-bearing part
The other side is prominent, which can be fixed in the pedestal of shell B.The present invention relates more specifically to that movable contact 5, it connects
Contact element load-bearing part 4 and the mechanism for ensuring its rotation.The rotation is dual: 4/ movable contact of contact load-bearing part, 5 component
On the one hand can be rotatably movable between closed position (such as being shown in Fig. 2) and open position (as shown in FIG. 4),
On the other hand there are the relative rotation of contact load-bearing part 4 and movable contact 5, to ensure in closed position shown in Fig. 2
Contact force.
The dual rotation is realized relative to same rotation axis.Mechanism integrally shows that it illustrates rotations in Fig. 3
On the one hand axis 11, the rotary shaft in the aperture 12 of insertion supporting element 10, are on the other hand inserted in the second part of movable contact 5
In the coaxial aperture 13 realized in 15 reciprocity and symmetrical Liang Ge ear 14,14 '.In addition, the movable contact 5 can in formation
The end of the arm 16 of the first part of dynamic contact 5 includes contact chip 17, which is intended to bear against to be arranged connects in fixation
Reciprocity contact chip 17 ' in contact element 6.In addition, the arm 16 of movable contact 5 includes ribs 18, and for fixing protective cover
The convex block 19 of 20 (visible in fig. 2).The cover 20 occurs being isolated hingedly in the case where electric arc after being arranged in use in short circuit
Mechanism, the spring being especially located inside contact load-bearing part 4.
Therefore the first part of movable contact 5 includes the arm 16 of elongation, one in end includes contact chip 17, separately
It is second part 15 that one end, which then develops, and the second part 15 equipped with the Liang Ge ear 14,14 ' of perforation 13 by forming.In addition,
Realize that with these ears 14,14 ' in the rotation section of the free end rotating contact equipped with perforation 12 of supporting element 10 include convex
Piece 21,21 ', the lug are located relative to the aperture 13 and the opposite place of arm 16 of accommodating rotary shaft 11.
In order to correctly ensure rotating contact, relative to the current strength specification (calibres being arranged for the type equipment
D'intensit é de courant), the section 22 of supporting element 10 and especially its equipped with perforation 12 free end have
Such width: the width is substantially equal to the distance for separating Liang Ge ear 14,14 '.
Two springs 23,23 ' also play main function in the correct operation in the section for rotating contact.These spirals
Spring 23,23 ' is the torsionspring (as seen more fully below) for allowing to apply contact force first, but is divided each other
From spiral winding allow these springs to also act as the effect of compressed spring, and application acts on the outer surface of ear 14,14 '
Power so that its be pressed against supporting element 10 section 22 rounding end, formed rotating contact.
Referring to figure 5 and figure 6, which especially more clearly shows.When movable contact 5, supporting element 10, rotation
When axis 11 and spring 23,23 ' are assembled into so-called hinged sub-component, which is inserted into setting and carries in contact
In holding part 24 inside part 4.The holding part 24 with cylindrical outer shape includes radial opening, and the radial opening is on the one hand
For passing through the arm 16 of movable contact 5, on the other hand for passing through the section 22 of supporting element 10.The holding part is by axis
It is limited on the 11 rotation axis directions embodied by two lateral sidewalls 25,25 '.The spiral winding of spring 23,23 ' is in the rotation axis
It is compressed between the two lateral sidewalls 25,25 ' and the exterior face of ear 14,14 ' on direction.In addition, such as the sub-component two
Shown in two arrows of side, which is real at the time of by the holding part 24 of hinged sub-component insertion contact load-bearing part 4
Existing.The direction of insertion of sub-component is shown by the third arrow vertical with other two arrows.
Two springs 23,23 ' each include end 26,26 ' and the crooked end 27,27 ' with straight shape.These ends
Portion 26,26 '；27, the ear 14,14 ' of 27 ' second parts 15 with the surface of holding part 24 and from movable contact 5 respectively is prominent
Lug 21,21 ' out cooperates.Fig. 4 shows the side view of the device with movable contact of the invention, the side view as a result,
Figure is cut to eliminate the side wall 25 of contact load-bearing part 4.
Visible spring 23 is located such that its straight end when hinged sub-component is inserted into holding part 24 in the figure
Portion 26 bears against the face 28 for being arranged and being orientated thus, which is located in such part of contact load-bearing part 4: allowing mobile contact
The aperture that the arm 16 of part 5 passes through is located in the part.The other side near side wall 25 ' shows the surface 28 ' of equity
(see Fig. 5).
Holding part 24 in fact includes the symmetry relative to longitudinal mid-plane, and the plate structure of crank is shaped to by two
At movable contact 5 be also same: each plate actually includes first part and second part, which forms
The arm 16 of elongation, at ear 14,14 ', the ear 14,14 ' has parallel and orthogonal by being orientated with it the second part
The shape that part separates, the part provide the half of the width in the space for separating the ear 14,14 ', supporting element
10 section 22 is inserted into the space.Movable contact 5 is formed by two symmetrical parts, this allows in passing using under short-circuit conditions
Electronic suction effect: short circuit current balances in the two symmetrical parts, passes through towards identical direction, this tends to will be described
Component is pressed on again on the contact section of securing supports 10.
As shown in figure 5, at the time of hinged sub-component is introduced into the holding part 24 of contact load-bearing part 4, make spring 23,
23 ' crooked end 27,27 ' is freely, to obtain result as shown in Figure 7.In this case, hinged sub-component by
It is inserted into inside contact load-bearing part 4 well, however, crooked end 27,27 ' is at this stage not against on any object.
Last installation operation is to make these crooked ends to lead to from ear 14,14 ' lugs 21 outstanding, 21 ' rears, in spring
Torsion function in, except be supplied to by surface 28,28 ' end 26,26 ' first bear against point in addition to, provide for spring described
Lug 21, the second of 21 ' two sides and third bear against point.
The arrow shown in Fig. 7 is shown: being applied to the direction of the stress of the crooked end 27,27 ' of spring, this is answered
Power is by making the end 27,27 ' lead to lug 21,21 ' rears with loading spring 23,23 '.The result shows in Fig. 4,
Show the crooked end 27 for being placed in 21 rear of lug.
It is back to Fig. 3, each side wall 25,25 ' includes the groove 29 with straight shape, which guides rotation in practice
The end of shaft 11, the end can be wherein with functional clearance mobile.It is connect hinged sub-component to be inserted into
When inside contact element load-bearing part, the external helicoid coil end outstanding (see Fig. 5) of the slave spring 23,23 ' of axis 11 is then directed into
Near the bottom in two equivalent grooves 29 realized in two side walls 25,25 '.The warp of the one side of spring 23,23 '
Being located at for breasting point in holding part 24 and another aspect is born against by surface 28,28 ' to be attached to lug 21,21 ' (therefore being attached to can
Dynamic contact) crooked end 27, two of 27 ' places bear against point and allow for hinged sub-component to be locked at a bottom for its holding part 24
Portion.The combination of the shape of the crooked end 27,27 ' and lug 21,21 ' of spring, which in fact causes to constitute at this, to be pivotally connected
Portion, the pivot section act so that movable contact 5 and rotary shaft 11 are maintained at the bottom of two grooves 29 well
The position at place.
Relatively anti-two power (see two opposite arrows) shown in fig. 8 are shown: spring 23,23 ' its
Double bearing and leaning portions of 27 side of single bearing and leaning portion and end inside the holding part 24 of contact load-bearing part 4 by 26 side of end are positioned in
Torsion prestressing force when on its sub-component.Presence of the invention is arranged to be used for the crooked end 27,27 ' with spring 23,23 '
The particular configuration of the lug 21,21 ' of cooperation allows to apply such double reaction plus: first is in the table perpendicular to holding part 24
It (is applied to the wall by the surface 28,28 ' anti-on the other end 26,26 ' of spring 23,23 ' in the direction line in face 28,28 '
Active force is relatively anti-), second is in the direction line of axis for being roughly parallel to groove 31.
The assembling for facilitating the hinged word component of its installation in the holding part 24 of contact load-bearing part 4 carries out as follows:
Movable contact 5 is pre-assembled on securing supports 10, then axis 11 is introduced to the ear of supporting element 10 and movable contact 5
14, in the aperture 12,13 of 14 ' respective pre-punching.Then, spring 23,23 ' is pre-positioned every from ear 14,14 ' in axis 11
On two parts outstanding of side, the spring 23,23 ' is then compressed on the direction of the axis of the axis 11.Then, make entirety
It is joined in the holding part 24 of contact load-bearing part 4 via the widened part of opening 30.The opening includes on width is smaller
Portion part 31, which allows the part 22 of supporting element 10 by the opening of contact, such as leads to position shown in Fig. 4
In.
According to a kind of feasibility, which is stringent right based on constituting made of two actually symmetrical plates
The plate of the part 22 of title and formation are installed with aperture 32, and (aperture allows it to be fixed to from one in attachment device 7,8
Cross-talk) plate be almost symmetrical two similar panels, the two plates turn down against each other, so that each half portion
The aperture 32 of part is overlapped.
The example being illustrated in the accompanying drawings is only an operational feasibility of the invention comprising other structures of supporting element 10
It makes.As a result, in the example shown in Fig. 9 a and Fig. 9 b, different supporting elements 10 ' in fact replaces supporting element 10 by bar 22 '
Base portion and section 22, the bar be intended to detection device be electronics and using from ring type current sensor 33 signal
When pass through the current sensor.
In addition, all attached drawings show the device of monopole, implementation in the case where multipole is in an identical manner
Come what is realized, while there is the contact load-bearing part 4 including multiple holding parts 24 arranged side by side, each holding part can receive as above
One hinged sub-component.
Claims (9)
1. one kind have at least one movable contact (5) device, the device for breaker type, for protect at least
The protection equipment of one route, protection equipment setting are provided with fixed contact in insulation shell (B), and for each route
The movable contact (5) of part (6) and the rotation including arm (16), is fixed with contact chip at the free end of the arm (16)
(17), the arm (16) bear against closed position on the fixed contact therefor (6) and with the fixed contact therefor (6) apart
It is pivoted between the open position of one distance,
Described device includes contact load-bearing part (4), the contact load-bearing part with for controlling one via mechanical lock (3)
Or control handle (2) connection of the position of multiple movable contacts (5), the mechanical lock (3) is also short-circuited or current overload inspection
Device (9) actuating is surveyed, and the movement of the mechanical lock (3) is passed into each movable contact (5),
The contact load-bearing part (4) includes the holding part (24) for the quantity that quantity is equal to the movable contact (5), often
A holding part (24) accommodating is with lower member:
The other end of the movable contact (5),
The supporting element (10) fixed relative to the shell (B), the supporting element (10) on the one hand allow the movable contact (5)
It is pivoted according to the interconnecting piece for allowing electric current to pass through, on the other hand allows attachment to protected route,
Axis (11) passes through the other end and the supporting element (10) of the movable contact (5) along pivot axis, and
Two torsion/compression helical springs (23,23 ') are arranged to substantially coaxial with the axis (11) and are located at the company of pivot
The two sides of socket part,
The holding part (24) is with cylindrical outer shape and has opening (30), and the opening (30), which allows to introduce, to be assembled into
The component of hinged sub-component, the hinged sub-component have the longitudinal intermediate of the arm relative to the movable contact
The symmetrical shape of plane, each holding part (24) also have the symmetry relative to the plane；
Described device is characterized in that each holding part (24) includes the groove (29) with straight shape, these grooves
It is implemented in the side wall (25,25 ') substantially vertical with the pivot axis of the holding part (24), and is open to the opening
(30) in, the end of the axis (11) is accommodated and guided with functional clearance；And it is, spring (23, the 23 ') packet
Substantially straight end (26,26 ') and crooked end (27,27 ') are included, the substantially straight end (26,26 ') is arranged to be used for
It bears against in the inside face (28,28 ') of the holding part (24), formation is used for the spring (23,23 ') and bears against the contact
Unique breasting region on part load-bearing part (4), the crooked end (27,27 ') be arranged to be used for being attached to lug (21,
21 '), the lug (21,21 ') is from the end for the movable contact (5) being arranged in the holding part (24) towards side
The direction of wall (25,25 ') is prominent, and the lug (21,21 ') is located at opposite with the arm (16) relative to the pivot axis
The crooked end (27,27 ') of that side, the lug (21,21 ') and the spring (23,23 ') is constructed and is oriented to
So that the crooked end (27,27 ') of the spring (23,23 ') apply in this wise on the lug (21,21 ') it is dual
Active force: first along the face (28,28 ') perpendicular to the holding part (24) direction, second along with the groove (29)
The substantially parallel direction of axis.
2. with the device of at least one movable contact (5) according to previous item claim, which is characterized in that described
Movable contact (5) is made of symmetrical two elements, and each element includes first part and second part (15), and this first
Point along symmetrical plane, corresponding symmetric part extends side by side to form the arm (16), the second part with another element
(15) it is formed by the ear (14,14 ') towards external bias, the symmetrical ear of the ear (14,14 ') and another element (14,
14 ') it is formed together the inner space with preset width, the second part (15) is installed with opens for what the axis (11) passed through
Hole (13) and the lug (21,21 ') including being arranged to be used for cooperating with the spring (23,23 ').
3. with the device of at least one movable contact (5) according to previous item claim, which is characterized in that described
First part includes the ribs (18) with longitudinal shape.
4. having the device of at least one movable contact (5) according to any one of claim 2 and 3, feature exists
In the first part includes at least one convex block (19), and be used to fix the sub-component is located at the holding part (24)
The protective cover (20) of internal component.
5. with the device of at least one movable contact (5) according to previous item claim, which is characterized in that described
Supporting element (10) is by including that the component of the first section (22) and the second section is formed, and first section (22) has flat
Shape, which is equipped with the aperture (12) passed through for the axis (11), has and is substantially equal to the mobile contact
The width of the preset width of the inner space of part (5) is simultaneously several with the section of the face contact in face of the inner space with being formed
What is constructed, and first section (22) is changed into the second section in the outside of the holding part (24), which is constructed
For the interface for being connect with detection device (9).
6. with the device of at least one movable contact (5) according to previous item claim, which is characterized in that described
The part in the section that the formation of the first section (22) is contacted with the movable contact (5) has circular profile.
7. having the device of at least one movable contact (5) according to any one of claim 5 and 6, feature exists
In, the interface includes the conducting rod for extending first section (22), which is intended to be passed through in ring type current sensor,
And the free end in its exit for being located at ring is equipped with the connection section of the electric wire for connecting protected route.
8. having the device of at least one movable contact (5) according to any one of claim 5 and 6, feature exists
In, first section (22) is extended by being substantially equal to the plate of the planar shape of the thickness of the section with thickness, and
Aperture (32) are installed with, the attachment screw which is used to make to be connected to detection device (9) passes through.
9. with the device of at least one movable contact (5) according to previous item claim, which is characterized in that described
Supporting element (10) is by longitudinal mid-plane pair at least in first section relative to the arm of the movable contact
Two components claimed realize that each component part in this way extends: the part have with equipped in the aperture
(32) shape of the symmetrical shape of another part of overlapped free end at position.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1453706A FR3020498B1 (en) | 2014-04-24 | 2014-04-24 | MOBILE CONTACT DEVICE WITHOUT CONDUCTIVE BRAID. |
| FR1453706 | 2014-04-24 | ||
| PCT/FR2015/051072 WO2015162369A1 (en) | 2014-04-24 | 2015-04-21 | Device with movable contact without conductive braid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106663552A CN106663552A (en) | 2017-05-10 |
| CN106663552B true CN106663552B (en) | 2019-01-08 |
Family
ID=51483565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580034267.5A Active CN106663552B (en) | 2014-04-24 | 2015-04-21 | The device with movable contact of no conductive braided fabric object |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3134910B1 (en) |
| JP (1) | JP6986840B2 (en) |
| CN (1) | CN106663552B (en) |
| FR (1) | FR3020498B1 (en) |
| WO (1) | WO2015162369A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180732A (en) * | 2017-07-13 | 2017-09-19 | 天津京人电器有限公司 | The movable contacting device and low-voltage circuit breaker of a kind of low-voltage circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5539167A (en) * | 1994-02-14 | 1996-07-23 | Square D. Company | Blade suspension assemlby for a circuit breaker |
| US20100032269A1 (en) * | 2008-08-05 | 2010-02-11 | Schaltenbrand Brian J | movable contact arm and crossbar assembly and electrical switching apparatus employing the same |
| CN102047371A (en) * | 2008-08-06 | 2011-05-04 | 三菱电机株式会社 | Movable contactor device of circuit breaker |
| JP2012123970A (en) * | 2010-12-07 | 2012-06-28 | Nitto Kogyo Co Ltd | Attachment structure of cross bar and movable contactor of circuit breaker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1524262A (en) * | 1967-03-28 | 1968-05-10 | Fr Landis & Gyr Soc | Improvements to low voltage electrical contact devices |
| JPS622137U (en) * | 1985-06-20 | 1987-01-08 | ||
| US4733211A (en) * | 1987-01-13 | 1988-03-22 | General Electric Company | Molded case circuit breaker crossbar assembly |
| JP2824065B2 (en) * | 1988-07-08 | 1998-11-11 | 富士電機 株式会社 | Connection conductor structure of circuit breaker |
| JPH0575947U (en) * | 1992-03-19 | 1993-10-15 | 日東工業株式会社 | Contactor |
| JP4466209B2 (en) * | 2004-06-10 | 2010-05-26 | 富士電機機器制御株式会社 | Circuit breaker |
-
2014
- 2014-04-24 FR FR1453706A patent/FR3020498B1/en not_active Expired - Fee Related
-
2015
- 2015-04-21 CN CN201580034267.5A patent/CN106663552B/en active Active
- 2015-04-21 JP JP2016564079A patent/JP6986840B2/en active Active
- 2015-04-21 WO PCT/FR2015/051072 patent/WO2015162369A1/en active Application Filing
- 2015-04-21 EP EP15725767.6A patent/EP3134910B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5539167A (en) * | 1994-02-14 | 1996-07-23 | Square D. Company | Blade suspension assemlby for a circuit breaker |
| US20100032269A1 (en) * | 2008-08-05 | 2010-02-11 | Schaltenbrand Brian J | movable contact arm and crossbar assembly and electrical switching apparatus employing the same |
| CN102047371A (en) * | 2008-08-06 | 2011-05-04 | 三菱电机株式会社 | Movable contactor device of circuit breaker |
| JP2012123970A (en) * | 2010-12-07 | 2012-06-28 | Nitto Kogyo Co Ltd | Attachment structure of cross bar and movable contactor of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3020498B1 (en) | 2018-04-20 |
| WO2015162369A1 (en) | 2015-10-29 |
| CN106663552A (en) | 2017-05-10 |
| FR3020498A1 (en) | 2015-10-30 |
| JP2017514283A (en) | 2017-06-01 |
| JP6986840B2 (en) | 2021-12-22 |
| EP3134910B1 (en) | 2018-02-28 |
| EP3134910A1 (en) | 2017-03-01 |
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