CN105027251B - Contact making device and circuit-breaker - Google Patents
Contact making device and circuit-breaker Download PDFInfo
- Publication number
- CN105027251B CN105027251B CN201480013002.2A CN201480013002A CN105027251B CN 105027251 B CN105027251 B CN 105027251B CN 201480013002 A CN201480013002 A CN 201480013002A CN 105027251 B CN105027251 B CN 105027251B
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- CN
- China
- Prior art keywords
- making device
- contact
- bracket component
- contact making
- elastic conducting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
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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
- H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
- H01H2071/124—Automatic release mechanisms with or without manual release using a solid-state trip unit with a hybrid structure, the solid state trip device being combined with a thermal or a electromagnetic trip
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Abstract
The contact making device (100) being configured between fixed contact (120) and portion of terminal (11) possesses：Elastic conducting electroplax (110), including for the installation portion (112) relative to the fixed contact (120) contact and the moving contact (111) for leaving and moving and the U-shaped for the opposite side for being located at the moving contact (111) in the longitudinal direction；Bracket component (101), keeps the installation portion (112)；And connecting line (119), it is connected to the installation portion (112) in order to which the contact making device (100) is connected into the portion of terminal.
Description
Technical field
The present invention relates to a kind of contact making device and circuit-breaker.
Background technology
Relevant circuit-breaker, in the circuit of connection power supply and load, when reaching defined circuit state, makes contact
Between trip so as to cutting off circuit (for example, referring to patent document 1).Circuit-breaker is for example disconnected including wiring breaker, electric leakage
Road device, overvoltage release, under-voltage circuit breaker, reclosing type circuit breaker etc..Wiring breaker is different caused by short circuit or overload
Normal electric current cuts off circuit when flowing through.RCCB cuts off circuit when leaking electricity.Overvoltage release is high in circuit voltage
Circuit is cut off when assigned voltage.Under-voltage circuit breaker cuts off circuit when circuit voltage is less than assigned voltage.Reclosing type circuit breaker is
Combine breaker obtained by some circuit-breakers.
Citation
Patent document
Patent document 1：JP 2000-231869 publications
The content of the invention
Typical circuit-breaker possesses：Contact making device, including moved to contact and leave relative to fixed contact
Dynamic moving contact；Link mechanism, contact making device is acted in response to the operation of handle；And electromagnetism trip gear, in detection
Make to trip between contact via link mechanism during circuit state as defined in going out.The moving contact of contact making device is installed on elastic conduction
Plate.The elastic conducting electroplax is electrically connected with portion of terminal by welding etc..In the presence of the moving contact phase of following hidden danger, even contact making device
Contact and leave repeatedly for fixed contact, then mechanical load can be concentrated to the coupling part of elastic conducting electroplax.
It is an object of the present invention to provide a kind of can prevent or reduce what mechanical load was concentrated to elastic conducting electroplax
Contact making device and circuit-breaker.
Contact making device according to an aspect of of the present present invention is the contact making device being configured between fixed contact and portion of terminal, tool
It is standby：Elastic conducting electroplax, including for the moving contact for contacting and leaving relative to the fixed contact and move and in length
The installation portion of the U-shaped for the opposite side for being located at the moving contact is spent on direction；Bracket component, keeps the installation portion；And even
Wiring, the installation portion is connected in order to which the contact making device is connected into the portion of terminal.
In one example, the elastic conducting electroplax is elastically compressed in the installation portion so that the repulsion of the installation portion is made
In the state of the bracket component, the bracket component is installed on.
In one example, the bracket component includes being used for limiting the elastic conducting electroplax to intersecting with the length direction
At least one catch that width is moved and abutted with the end face of the installation portion.
In one example, the electric conductivity conductive plate includes being configured to limit the elastic conducting electroplax to the length side
To the joggling part for moving and being abutted with the bracket component.
In one example, on the bracket component, it is formed with the otch for being configured to be fitted together to for the connecting line.
In one example, on the bracket component, slightly smaller through hole compared with the external diameter of the connecting line is formed with, it is described
Bracket component keeps the connecting line by the elastic repulsive force for the connecting line being elastically compressed in the through hole.
In one example, the bracket component includes the wound portion for being used to wind the connecting line.
In one example, contact making device is also equipped with consolidating the connecting line with the connecting line and bracket component contiguity
Due to the resin-bonded portion of the bracket component.
In preferred example, the contact making device being configured between fixed contact and portion of terminal possesses：Elastic conducting electroplax, bag
Include in order to relative to fixed contact contact and the moving contact for leaving and moving, in the longitudinal direction located at described movable
The U-shaped return portion of the opposite side of contact and it is connected with for the contact making device to be connected to the connecting line of the portion of terminal
Connecting portion；And bracket component, keep the U-shaped return portion of the elastic conducting electroplax.
The connecting portion can be formed in the way of being sticked in the bracket component from the outside warpage of U-shaped return portion
Joggling part.
Circuit-breaker according to other aspects of the present invention possess fixed contact, above-mentioned contact making device and with it is described
Contact making device links and makes the link mechanism of the contact making device action.
In accordance with the invention it is possible to which obtaining can prevent or reduce for touching that the mechanical load of elastic conducting electroplax is concentrated
Point device and circuit-breaker.
Brief description of the drawings
Fig. 1 is the exploded perspective view of circuit-breaker.
Fig. 2 be conducting state under circuit-breaker side view.
Fig. 3 be overvoltage unbuckled state under circuit-breaker side view.
Fig. 4 be off-state under circuit-breaker enlarged side view.
Fig. 5 be conducting state under circuit-breaker enlarged side view.
Fig. 6 is the oblique view of contact making device.
Fig. 7 is the oblique view of elastic conducting electroplax.
Fig. 8 is the side view of contact making device.
Fig. 9 is the bottom view of contact making device.
Figure 10 is the side view of the contact making device of the 1st modification.
Figure 11 is the bottom view of Figure 10 contact making device.
Figure 12 is the side view of the contact making device of the 2nd modification.
Figure 13 is the bottom view of Figure 12 contact making device.
Figure 14 is the side view of the contact making device of the 3rd modification.
Figure 15 is the bottom view of Figure 14 contact making device.
Embodiment
Hereinafter, the contact making device and circuit-breaker according to an embodiment are illustrated.
In the example in the figures, circuit-breaker can be overvoltage release.Voltage of the overvoltage release in circuit
Become to be above cutting off circuit during assigned voltage.Overvoltage release can be with flowing through in the abnormal current caused by short circuit or overload
When cut-out circuit wiring be applied in combination with circuit-breakers such as breakers.
As shown in figure 1, overvoltage release includes the portion of terminal 11 being connected with external cable.Portion of terminal 11 can be configured
In in the casing 10 for possessing the 1st lid 14 and the 2nd lid 15.1st lid 14 and the 2nd lid 15 can be the conjunction with insulating properties
Resin part.The opening portion 14a of 1st lid 14 and the opening portion 15a pairings of the 2nd lid 15, so as to be separated out the interior of casing 10
Portion space.In the inner space of casing 10, be configured with handle 20, display unit 30, link mechanism 40, electromagnetism trip gear 90,
Contact making device 100 and the circuit substrate 13 for being mounted with field circuit.In the upper surface of the casing 10 of overvoltage release, shape
Into have handle door 16 with display window 17.
As shown in FIG. 2 and 3, link mechanism 40 possesses gearing block 41, driving part 50, push rod 60, latch
70 and display latch 80.
If lever 20, link mechanism 40 is driven by push rod 60.If link mechanism 40 is driven, joining beam is connected to
The contact making device 100 of mechanism 40 is rotated, so that fixed contact 120 is contacted or separated with moving contact 111.If circuit
Voltage be higher than assigned voltage, then the field circuit of circuit substrate 13 can to electromagnetism trip gear 90 carry out excitation, so as to drive
Link mechanism 40.If driving link mechanism 40 by electromagnetism trip gear 90, contact making device 100 is rotated, so that moving contact 111
Tripped from fixed contact 120.Display unit 30 is rotated according to the motion of link mechanism 40, so that display action state.
As shown in FIG. 4 and 5, handle 20 possesses the rotation section 21 including the 1st rotary shaft 18 and handle projection 22.Rotate
Portion 21 is rotated around the 1st rotary shaft 18.1st rotary shaft 18 is located at the 1st lid 14.Handle 20 is when handle projection 22 is operated around the
1 rotary shaft 18 is rotated.Handle projection 22 includes the connecting rod 23 abreast protruded with the 1st rotary shaft 18.Connecting rod 23 can link
To the handle of other circuit-breakers.Therefore, the handle 20 of overvoltage release breaks with other circuits linked by the connecting rod 23
The handle of road device is rotated together.In the example in the figures, position (energization is on when handle projection 22 is located at away from 11 distal side of portion of terminal
Position), open position (off position) is in when handle projection 22 is located at away from 11 nearside of portion of terminal.Handle 20 is for example, by being wrapped in
Handle spring 25 in 1 rotary shaft 18, rotated from conduction position to the direction of open position by it is normal when exert a force.Said in following
In bright, direction of rotation when handle 20 is rotated from open position to conduction position sometimes is referred to as " conducting direction ", by handle 20 from leading
Logical position to open position rotate when direction of rotation be referred to as in " disconnection direction ".
Interlock block 41 and be rotationally supported in the 3rd rotary shaft 43.On block 41 is interlocked, metal gearing is maintained
One end of rod 42.The 15b that cracks for interlocking the other end from the 2nd lid 15 of rod 42 projects to outside.The other end for interlocking rod 42 connects
Tie to the gearing block of other circuit-breakers.
Driving part 50, latch 70 and display unit 30 are rotated around the 2nd rotary shaft 19.2nd rotary shaft 19
Two ends are supported in casing 10.Driving part 50 by driving spring 55 along disconnect direction it is normal when exert a force.The lid of driving spring 55 and the 1st
14 and driving part 50 combine.Handle 20 by handle spring 25 along disconnect direction it is normal when exert a force.Latch 70 and display unit 30
The both ends of late spring 75 are kept, are rotated in same direction.Show latch 80 by the display breech lock as torsionspring
Spring 85 along disconnect direction it is normal when exert a force.
Push rod 60 can be the round metal bars for bending to U-shaped.The operation side end 61 of push rod 60 is inserted into the connection of handle 20
Hole 24.The transmission side end 62 of push rod 60 is configured at by the latch piece 71 of the engaging tab 51 and latch 70 of driving part 50
The joining beam hole 54 of formation.The state is the state (latch mode) by the breech lock push rod 60 of latch 70.Under the latch mode,
The athletic meeting of handle 20 is transferred to driving part 50 by push rod 60.
If driving part 50 is driven by electromagnetism trip gear 90, driving part 50 is turned opposite to latch 70, then
Joining beam hole 54 can be opened wide.Also, the other end of push rod 60 can be deviate from from joining beam hole 54, the state of the clear-latch as push rod 60
(clear-latch state).
Display latch 80 is rotationally supported in the 4th rotary shaft 81.Display latch 80 is shown late spring
85 edges disconnection direction exert a force when normal.Due to showing that the upper end 82 of latch 80 is abutted under display unit 30 from downside
The engaging protuberances 32 of side, thus display unit 30 will not along disconnect direction rotate.The upper surface of display unit 30 is used as display electricity
The function of display part 31 of line state.Display part 31 is divided into 2 pieces of regions.Two pieces of regions be in it is away from the nearside of handle 20,
Normal region 31a for showing normal condition, and in it is away from the distal side of handle 20, for show unbuckled state trip region
31b.One of region 31a, 31b expose from display window 17.
Contact making device 100 is configured between fixed contact 120 and portion of terminal 11.Contact making device 100 connects with shifting axle 102
Knot, is driven by driving part 50.
As shown in FIG. 2 and 3, circuit substrate 13 is contained in the inside of casing 10.On circuit substrate 13, it is provided with
The electromagnetism trip gear 90 of latch 70 is driven by carrying out excitation to coil 92.Circuit substrate 13 can be included in detection
Stop the field circuit of the excitation of the coil 92 of electromagnetism trip gear 90 when going out electric voltage exception.
Electromagnetism trip gear 90 possesses plastic coil rack 91, coil 92, secured core 93, iron core bracket
96th, movable core 97 and coil spring 98.
Secured core 93 is elements of magnetic material (such as iron), is formed by sheet material.Secured core 93 is to include upside leg
With the U-iron core of downside leg 95.Upside leg is inserted into the hole of coil rack 91, and the front end of upside leg is exposed from coil rack 91.
Ring is equipped with coil spring 98 on the downside leg 95 of secured core 93.Iron core bracket 96 is rotatably attached to coil rack 91
The holder pivots axle 96c kept.In the front end of iron core bracket 96, the 1st of the abutting part 72 provided with abutting to latch 70 the
Abutting part 96a and the downside abutting part 83 abutted to display latch 80 the 2nd abutting part 96b.1st abutting part 96a exists
Iron core bracket 96 along conducting direction rotate when, the 1st abutting part 96a of iron core bracket 96 is abutted to the abutting part of latch 70
72, so that latch 70 rotates along direction is disconnected.On iron core bracket 96, the tabular that is made up of magnetic material is maintained
Movable core 97.Movable core 97 can be abutted in movable core 97 to the front end face (magnetic pole strength) of two legs of secured core 93
Rotated between position, the position separated with the front end face of two legs from secured core 93.
As shown in fig. 6, contact making device 100 includes elastic conducting electroplax 110 and keeps the cradle portion of elastic conducting electroplax 110
Part 101.Elastic conducting electroplax 110 is connected by connecting line 119 with portion of terminal.Bracket component 101 includes what is linked with shifting axle 102
Linking part 103.
As shown in fig. 7, moving contact 111 is located at the one end of elastic conducting electroplax 110.Elastic conducting electroplax 110 is included in length
The maintaining part 112 of the U-shaped for the opposite side for being located at moving contact 111 is spent on direction.Elastic conducting electroplax 110 can have by bending leads
Electrical elastic plate is formed.Bracket component 101 is included with mode structure corresponding with the maintaining part 112 of elastic conducting electroplax 110
Into cradle portion 104.
The cradle portion 104 of bracket component 101 includes the handle part 105 and the bent intermediate from the handle part 105 of U-shaped
The extension 106 of part extension.Handle part 105 holds the installation portion 112 of movable conductive plate 110 from outside.Extension 106 is inserted
To the space divided by the installation portion 112 of elastic conducting electroplax 110.On a front end of handle part 105 and extension 106, point
It She You not be used to limit the width movement that electric conductivity conductive plate 110 intersects to the length direction with elastic conducting electroplax 110
Catch 107,108.Catch 107,108 extends in reverse direction each other.Catch 107,108 can be abutted each to elastic conducting electroplax 110
Installation portion 112 side.In the bottom of extension 106, provided with the convex portion 109 engaged with elastic conducting electroplax 110.
The front end of the installation portion 112 of elastic conducting electroplax 110 is used as the connecting portion function being connected with connecting portion 119.
It is preferred that example in, connecting portion can be by by the front end of installation portion 112 outwardly warpage come the joggling part 113 that is formed.Warpage
Portion 113 is abutted to the cradle portion 104 of bracket component 101.In the installation portion 112 of elastic conducting electroplax 110, including to clip cradle portion
The holding section 114,115 that the mode of 104 convex portion 109 is constituted.Holding section 114 can be a part for installation portion 112 into U-shaped
Plate obtained by the warpage of side.Holding section 115 can be plate prominent to the inner space of the installation portion 112 of U-shaped from joggling part 113
Piece.When elastic conducting electroplax 110 is mounted to bracket component 101, the cooperation of holding section 114,115 is so as to clamp cradle portion 104
Convex portion 109.In the joggling part 113 of elastic conducting electroplax 110, one end of connecting line 119 is connected with by connecting accessory 118.At this
In specification, the part in addition to connecting portion of installation portion 112 is referred to as " U-shaped return portion " sometimes.
When elastic conducting electroplax 110 is attached into bracket component 101, in the installation portion of the U-shaped of elasticity of compression conductive plate 110
Inserted in the state of 112 from the side of cradle portion 104.Now, gap of the installation portion 112 through catch 107,108, and
And, elastic conducting electroplax 110 is moved along its length.The holding section 114 of elastic conducting electroplax 110 is in the convex portion 109 of cradle portion 104
Through when pressed and be elastically deflected by the convex portion 109.When being abutted in convex portion 109 to holding section 115, the flexure of holding section 114
Release, convex portion 109 is sandwiched between holding section 114,115.Elastic conducting electroplax 110 passes through the repulsion for the installation portion 112 that have compressed
It is held in bracket component 101.
As shown in FIG. 8 and 9, cradle portion 104 handle part 105 lower front part, provided with for connecting line 119 it is embedding
The otch 105a that the mode of conjunction is constituted.One end of connecting line 119 is connected to the folding of elastic conducting electroplax 110 by connecting accessory 118
Pars convoluta 113, and it is wound in the handle part 105 of cradle portion 104.The other end of connecting line 119 is connected to portion of terminal 11.
2~Fig. 4 of reference picture illustrates the action of overvoltage release.First, illustrate disconnected shown in overvoltage release from Fig. 4
The switching action of conducting state shown in from open state to Fig. 5.
In handle 20 along when being rotated from open position towards conduction position (conducting direction), driving part 50 is pressed by push rod 60
Engaging tab 51, driving part 50 rotates along conducting direction.
Fig. 4, the handoff boundary line L shown in 5 is link the 1st rotary shaft 18 of handle 20 and the transmission side end 62 of push rod 60
The straight line obtained.If in handle 20 along along conducting direction rotary course, the operation side end 61 of push rod 60 crosses handoff boundary line L, then
The transmission side end 62 of push rod 60 stops in the state of engaging tab 51 is pressed against.Now, handle 20 and push rod 60 are kept
In conduction position, circuit-breaker turns into conducting state.Latch 70 is latched spring 75 and exerted a force, and rotates to abutting to pushing away
Untill the position of the transmission side end 62 of bar 60.The driven member 50 of fastener 33 of display unit 30 is pressed, display unit 30
Rotated along conducting direction, be moved to display and reset position.In this condition, display latch 80 is shown late spring 83 and applied
Power, is moved to the position of breech lock display unit 30.The rotation of driving part 50 is coordinated to be revolved along conducting direction in addition, interlocking block 41
Turn, move the gearing block of other circuit-breakers by interlocking rod 42.In addition, if voltage is normal in the on-state,
The coil 92 of electromagnetism trip gear 90 just will not be powered by field circuit.Therefore, iron core bracket 96 is exerted a force by coil spring 98, can
Dynamic iron core 97 is in the state for leaving secured core.In this condition, the 1st abutting part 96a of iron core bracket 96, which is moved to, leaves
The position of latch 70.
Then, illustrate that the switching of the off-state shown in the conducting state to Fig. 4 shown in overvoltage release from Fig. 5 is moved
Make.
When handle 20 rotates from conduction position towards open position along disconnection direction, pass through push rod 60 and pull latch
70.The active force of the confrontation late spring 75 of latch 70 rotates along direction is disconnected, the shape up opened wide as joining beam hole 54
State.Driving part 50 is exerted a force and rotated along direction is disconnected by driving spring 55.Block 41 is interlocked to pass through by the prominent of driving spring 70
Play portion 73 to press, antagonism power rotates along direction is disconnected.Display unit 30 is latched spring 75 and exerts a force and revolved along direction is disconnected
Turn, engaging protuberances 32, which are abutted to the upper end 82 of display latch 80, to be stopped.In this condition, the normal area of display part 31
Domain 31a can expose from display window 17.
Then, the action by electromagnetism trip gear 90, the conducting shown in overvoltage release from Fig. 2 and Fig. 5 are illustrated
State, the moment after being tripped via Fig. 3 overvoltage, action when switching to unbuckled state.
If as shown in figure 3, in conducting state, field circuit detects that voltage exceedes and set higher than as defined in rated voltage
Definite value (overvoltage condition), then in order that overvoltage release is tripped, field circuit is powered to coil 92, inhales secured core 93
Draw movable core 97.Iron core bracket 96 together rotates with movable core 97 along conducting direction.If iron core bracket 96 is along conducting direction
Rotation, then press the abutting part 72 of latch 70 by the 1st abutting part 96a of iron core bracket 96.Latch 70 is along disconnection side
To rotation, the transmission side end 62 of push rod 60 leaves from the latch piece 71 of latch 70.If the latch piece 71 of latch 70
Left from the transmission side end 62 of push rod 60, then the operation side end 61 around push rod 60 rotates along direction is disconnected.
Because the transmission side end 62 of push rod 60 is deviate from from joining beam hole 54, therefore lose the driving part 50 of the support of push rod 60
Exerted a force by driving spring 55 so as to be rotated along disconnection direction, be moved to open position.In addition, by the jut 73 of latch 70
Block 41 is interlocked to upside pressing, the switching mechanism of other circuit-breakers is driven by interlocking rod 42, it is disconnected by switching mechanism
Open contact.Hereby it is possible to which the power supply for cutting off the load equipment to being connected to other circuit-breakers is provided, load equipment is protected.
Attraction of the iron core bracket 96 by secured core 93 for movable core 97 rotates along conducting direction.
Further, since the downside abutting part 83 of display latch 80 is pressed and edge by the 2nd abutting part of iron core bracket 96
Disconnect direction to rotate, therefore release the breech lock of display unit 30.Display unit 30 is latched spring 75 if breech lock is released and exerted a force
And rotated along direction is disconnected.The region 31b that trips of display part 31 exposes from display window 17.Afterwards, if handle 20 is applied by handle spring 25
Power and along disconnecting untill direction rotates to open position, then opening portion of the transmission side end 62 of push rod 60 through joining beam hole 54 is inserted
To joining beam hole 54, untill being moved to the position engaged with latch piece 71.Now, the transmission side end 62 of push rod 60 is in and is inserted into
The state in the joining beam hole 54 surrounded by driving part 50 and latch 70.If making handle 20 rotate and be moved to along conducting direction to lead
Lead to position, then the state as Fig. 4.
According to embodiment, following effect can be played.
(1) the elastic conducting electroplax 110 provided with moving contact 111 is held in bracket component 101.Therefore, even if for fixing
Contact 120 separate moving contact 111 repeatedly, also will not be direct with the mechanical load of the motion of elastic conducting electroplax 110
The coupling part of elastic conducting electroplax 110 and connecting line 119 is transferred to, mechanical load can be prevented or reduce to elastic conduction
Plate 110 is concentrated.
(2) movable conductive plate 110 can be attached to bracket component 101 using the elastic force of elastic conducting electroplax 110.Cause
This, it is not necessary to the specific purpose tool for elastic conducting electroplax 110 to be attached to bracket component 101.
(3) bracket component 101 includes catch 107,108.Therefore, it is possible to prevent or reduce elasticity by cheap composition
Conductive plate 110 is moved in the direction of the width relative to bracket component 101.
(4) elastic conducting electroplax 110 includes shifting of the limitation elastic conducting electroplax 110 relative to the length direction of bracket component 101
Dynamic joggling part 113.Therefore, it is possible to be construed as limiting elastic conducting electroplax 110 relative to bracket component 101 in length by cheap
Side is moved up.
(5) bracket component 101 possesses the notch 105a constituted for the mode that connecting line 119 is fitted together to.According to this composition,
Bracket component 101 (being in the example in the figures handle part 105 and otch 105a) can be different from connecting line 119 and elasticity
Support connecting line 119 in the position of the link position of conductive plate 110.Therefore, otch 105a and connecting line 119 Qian He, energy are passed through
Mechanical load is enough prevented or reduces to concentrate to the connecting portion of elastic conducting electroplax 110 and connecting line 119.
Above-mentioned embodiment can for example be changed as follows, can also be combined some modifications.
Elastic conducting electroplax 110 can not also be flexed into joggling part 113.
The one side or both sides of catch 107,108 can be omitted.
The installation portion 112 of elastic conducting electroplax 110 can also be held in bracket component in the state of not being elastically compressed
101 (particularly cradle portions 104).
Contact making device 100 can also be used in the circuit-breaker beyond overvoltage release.
Cradle portion 104 can also have through hole to replace otch 105a.For example, in change as shown in figs.10 and 11
In example, in the bottom of the handle part 105 of cradle portion 104, provided with slightly smaller through hole 105b compared with the external diameter of connecting line 119.It is logical
Cross connecting line 119 to be elastically compressed in smaller through hole 105b, connecting line 119 is held in cradle portion 104.In this composition
In, also it can prevent or reduce mechanical load and be concentrated to the connecting portion of elastic conducting electroplax 110 and connecting line 119.
Cradle portion 104 can have the wound portion for the line 119 that is intertwined and connected to replace the 105a that cracks.For example, such as scheming
In modification shown in 12 and Figure 13, in the bottom of the handle part 105 of cradle portion 104, protrude for the line 119 that is intertwined and connected
Winding rod 105c.Connecting line 119 is wound in winding rod 105c, and is held in cradle portion 104.In this composition, it can prevent
Or reduction mechanical load is concentrated to the connecting portion of elastic conducting electroplax 110 and connecting line 119.
Connecting line 119 can also be fixed on branch by the resin-bonded portion 130 touched with connecting line 119 and cradle portion 104
Frame portion 104,105a or the 105a that cracks is appended to replace cracking.For example, in the modification as shown in Figure 14 and Figure 15,
Resin-bonded portion 130 in connecting line 119 by abutting to the bottom of the handle part 105 of cradle portion 104, from connecting line
Hardening cement is applied on 119, makes the hardening cement harden to be formed and obtained.Resin-bonded portion 130 can prevent or
Person reduces mechanical load and concentrated to the connecting portion of elastic conducting electroplax 110 and connecting line 119.
Subject of the present invention is possible to the feature presence fewer than all features of disclosed specific embodiment.Cause
This, claims are added into detailed description, and every claim advocates itself as independent embodiment.The present invention should
With reference to appended claims, together determined with the four corner of the equivalent of appended claims institute entitle.
Claims (11)
1. a kind of contact making device, is configured between fixed contact and portion of terminal, link with shifting axle (102), by the driving rotated
Part (50) drives, and the contact making device possesses：
Elastic conducting electroplax, including for the moving contact for contacting and leaving relative to the fixed contact and move and in length
The installation portion of the U-shaped for the opposite side for being located at the moving contact is spent on direction；
Bracket component, keeps the installation portion, including linking part (103), and the linking part (103) connects with the shifting axle (102)
Knot, so that the elastic conducting electroplax and the bracket component rotate with the rotation of the driving part (50)；And
Connecting line, the installation portion is connected in order to which the contact making device is connected into the portion of terminal.
2. contact making device as claimed in claim 1, it is characterised in that
The elastic conducting electroplax is elastically compressed in the installation portion so that the repulsion of the installation portion acts on the support
In the state of part, the bracket component is installed in.
3. contact making device as claimed in claim 1, it is characterised in that
The bracket component includes moving to the width that the length direction intersects to limit the elastic conducting electroplax
And at least one catch abutted with the end face of the installation portion.
4. contact making device as claimed in claim 1, it is characterised in that
The elastic conducting electroplax include be configured in order to limit the elastic conducting electroplax to the length direction move and with it is described
The joggling part that bracket component is abutted.
5. the contact making device as any one of Claims 1-4, it is characterised in that
On the bracket component, the otch for being configured to be fitted together to for the connecting line is formed with.
6. the contact making device as any one of Claims 1-4, it is characterised in that
On the bracket component, slightly smaller through hole compared with the external diameter of the connecting line is formed with, the bracket component passes through
The elastic repulsive force for the connecting line being elastically compressed in the through hole keeps the connecting line.
7. the contact making device as any one of Claims 1-4, it is characterised in that
The bracket component includes the wound portion for being used to wind the connecting line.
8. the contact making device as any one of Claims 1-4, it is characterised in that
The contact making device is also equipped with being fixed on the connecting line with the connecting line and bracket component contiguity described
The resin-bonded portion of bracket component.
9. a kind of contact making device, is configured between fixed contact and portion of terminal, link with shifting axle (102), by the driving rotated
Part (50) drives,
The contact making device possesses elastic conducting electroplax and bracket component,
The elastic conducting electroplax includes：
Moving contact, is moved to contact and leave relative to the fixed contact；
U-shaped return portion, in the longitudinal direction located at the opposite side of the moving contact；And
Connecting portion, is connected with the connecting line for the contact making device to be connected to the portion of terminal；
The bracket component keeps the U-shaped return portion of the elastic conducting electroplax, including linking part (103), the linking part
(103) link with the shifting axle (102), so that the elastic conducting electroplax and the bracket component are with the driving part
(50) rotation and rotate.
10. contact making device as claimed in claim 9, it is characterised in that
The connecting portion is the warpage from the outside warpage of U-shaped return portion in the way of being sticked in the bracket component
Portion.
11. a kind of circuit-breaker, possess fixed contact, the contact making device described in any one of claim 1 to 10 and with institute
Contact making device is stated to link and make the link mechanism of the contact making device action.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-074667 | 2013-03-29 | ||
| JP2013074667A JP2014199756A (en) | 2013-03-29 | 2013-03-29 | Contact apparatus and circuit breaker |
| PCT/JP2014/001021 WO2014155966A1 (en) | 2013-03-29 | 2014-02-26 | Contact device and circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105027251A CN105027251A (en) | 2015-11-04 |
| CN105027251B true CN105027251B (en) | 2017-09-26 |
Family
ID=51622989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480013002.2A Expired - Fee Related CN105027251B (en) | 2013-03-29 | 2014-02-26 | Contact making device and circuit-breaker |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2014199756A (en) |
| CN (1) | CN105027251B (en) |
| WO (1) | WO2014155966A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6074720B2 (en) * | 2013-06-11 | 2017-02-08 | パナソニックＩｐマネジメント株式会社 | Electromagnetic trip device and circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282090A (en) * | 1999-07-27 | 2001-01-31 | 松下电工株式会社 | Circuit breaker |
| JP2002329450A (en) * | 2001-04-27 | 2002-11-15 | Matsushita Electric Works Ltd | Earth leakage breaker |
| JP2003272507A (en) * | 2002-03-20 | 2003-09-26 | Matsushita Electric Works Ltd | Circuit breaker |
| CN1777969A (en) * | 2003-11-04 | 2006-05-24 | 三菱电机株式会社 | Circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044348U (en) * | 1983-09-05 | 1985-03-28 | 富士電機株式会社 | circuit break |
| JPH06101291B2 (en) * | 1986-01-10 | 1994-12-12 | 松下電工株式会社 | Circuit breaker |
| JP2503680Y2 (en) * | 1990-11-27 | 1996-07-03 | 富士電機株式会社 | Contact open / close mechanism of earth leakage breaker |
| JP4395023B2 (en) * | 2003-11-04 | 2010-01-06 | 三菱電機株式会社 | Circuit breaker |
-
2013
- 2013-03-29 JP JP2013074667A patent/JP2014199756A/en active Pending
-
2014
- 2014-02-26 CN CN201480013002.2A patent/CN105027251B/en not_active Expired - Fee Related
- 2014-02-26 WO PCT/JP2014/001021 patent/WO2014155966A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282090A (en) * | 1999-07-27 | 2001-01-31 | 松下电工株式会社 | Circuit breaker |
| JP2002329450A (en) * | 2001-04-27 | 2002-11-15 | Matsushita Electric Works Ltd | Earth leakage breaker |
| JP2003272507A (en) * | 2002-03-20 | 2003-09-26 | Matsushita Electric Works Ltd | Circuit breaker |
| CN1777969A (en) * | 2003-11-04 | 2006-05-24 | 三菱电机株式会社 | Circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105027251A (en) | 2015-11-04 |
| JP2014199756A (en) | 2014-10-23 |
| WO2014155966A1 (en) | 2014-10-02 |
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