CN201408720Y - Electrical overload relay with contact bridge - Google Patents
Electrical overload relay with contact bridge Download PDFInfo
- Publication number
- CN201408720Y CN201408720Y CN2009200003413U CN200920000341U CN201408720Y CN 201408720 Y CN201408720 Y CN 201408720Y CN 2009200003413 U CN2009200003413 U CN 2009200003413U CN 200920000341 U CN200920000341 U CN 200920000341U CN 201408720 Y CN201408720 Y CN 201408720Y
- Authority
- CN
- China
- Prior art keywords
- contact
- electric bridge
- overload relay
- described contact
- electric
- 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.)
- Expired - Fee Related
Links
Images
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
- H01H1/32—Self-aligning 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
- H01H1/20—Bridging contacts
- H01H1/2025—Bridging contacts comprising two-parallel bridges
-
- 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
- H01H73/045—Bridging 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
- H01H1/20—Bridging contacts
- H01H1/2008—Facilitate mounting or replacing contact bridge and pressure spring on carrier
-
- 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
- H01H1/34—Contacts characterised by the manner in which co-operating contacts engage by abutting with provision for adjusting position of contact relative to its co-operating contact
-
- 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
- H01H73/22—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 having electrothermal release and no other automatic release
- H01H73/30—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 having electrothermal release and no other automatic release reset by push-button, pull-knob or slide
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to an electrical overload relay with a rotatably arranged equal-armed lever, and the equal-armed lever is provided with at least one contact bridge which is used to conductively bridge two pairs of fixed contact blocks. The wide side of the contact bridge is provided with a dome type structure which is engaged with a round cap structure on a contact supporting plate connected with the equal-armed lever, and consequently, the contact bridge is rotatably mounted on two planes.
Description
Technical field
The utility model relates to a kind of rotatable electric overload relay that waits armed lever that is provided with that has, and these armed levers are provided with at least one in order to two pairs of fixing contact electric bridges of the conductive bridge of contact block, notion described in claim 1.
Background technology
The electricity overload relay is used for the overload protection of motor.Known electric overload relay has thermal cutoff element---thrermostatic bimetal-plate, and it is heating and crooked under the situation of overload, switch contact is disconnected or closure.
DE29917173U1 shows the operating means on a kind of overload relay that is used in armed levers such as having, and this device flexiblely is provided with in order to two pairs of fixing two contact electric bridges of the conductive bridge of contact block.This two couple fixedly contact block be assembled into into the cut-off/close contact right.
According to E08205 described a kind of according to type be used in operating means on the overload relay, have one and wait armed lever, and on these armed levers, flexiblely be provided with in order to two pairs of fixing two of conductive bridge contact electric bridges of contact block, therefore have two contact points.These armed levers are to be fixed by a catch spring that is arranged on first and second closing point, and relatively catch spring reaction force by one between two closing points self-locking position and change suddenly.Wait the armed lever lever arm and make the contact electric bridge by catch spring traction is described, the contact pressure on the contact is produced by this catch spring thus upwards towards described fixedly contact block.Therefore, for the calibration of described contact electric bridge and described fixedly contact block a very high requirement is just arranged, to have equal contact force on the contact block that is implemented in all contact electric bridges.
The utility model content
Task of the present utility model is exactly, and a kind of overload relay with contact electric bridge is provided, and this overload relay is guaranteed to make by simple mode on the contact block of all contact electric bridges and had equal contact force.
The task that the utility model will be finished realizes by the feature of claim 1.
Contact electric bridge described in the utility model is provided with the structure of a dome-shaped on its broadside, the structure of this dome-shaped meshes on a described contact supporting bracket that waits armed lever to be connected of usefulness with a circular cap structure, and described whereby contact electric bridge is arranged on two planes rotationally.
Especially an execution mode that has advantage is that the contact electric bridge described in this execution mode is the two contact electric bridges with two pairs of contact support arms that are located opposite one another.
Be positioned at the described support that waits the contact electric bridge of a circular cap structure on the armed lever in the utility model, make the contact electric bridge when moving relative to described fixedly contact block or can be movable on all directions during pressurized.They are adjusted thus automatically so that the contact pressure that on all contact blocks, produce to equate, the fixedly contact block that equally also is adapted at the contact do not have accurately with contact the situation that electric bridge calibrates under.
Execution mode with advantage of the present utility model is characterized in that, the structure of the dome-shaped on the described contact electric bridge be one in driven on the described contact electric bridge sheet, dome-shaped, the hollow-core construction that on contact electric bridge broadside, stretches out.On the contact electric bridge, protrude out the lug boss of a circular hat type thus, similar peltate jut.Described electric bridge can be installed whereby in two ways.
An execution mode that has very much advantage is that described circular cap structure is the accommodation section of a circular hat type on the contact supporting bracket.Described contact electric bridge is maintained on the contact supporting bracket whereby, and the arch portion of the projection of described dome-shaped hollow-core construction is placed in the accommodation section that is positioned at the described circular hat type on the described contact supporting bracket.
A further execution mode is characterized in that, described circular cap structure is provided in a side of the lug boss of a circular hat type on the described contact supporting bracket.Described contact electric bridge is maintained on the described contact supporting bracket thus, and the lug boss of the circular hat type on the described contact supporting bracket is close on the surface of the arch of the projection of the hollow-core construction of described dome-shaped.
Further structure with advantage of the present utility model is characterized in that described contact supporting bracket is provided with two guide wall that stand vertically, and described contact electric bridge is maintained between these two guide wall.Described guide wall can be provided with whereby as further structure---the fixed stop with advantage, when calibrating, can stop the contact electric bridge from the contact supporting bracket, to skid off by described fixed stop when contact electric bridge pushing of being subjected to producing in the contact process and by rotation.
An execution mode that further has advantage of the present utility model is that described contact electric bridge is provided with guider on its long and narrow limit, so that described contact electric bridge and guide wall flexibly connect.The guider of described contact electric bridge has remedied the influence that the fixed stop on guide wall produces on preferred mode.
The advantage of described structure is that especially described contact supporting bracket is installed on the free end of described armed lever such as grade.
Described lug boss also can adopt alternate manner and method, as long as can make the parts of a circular hat type be fixed on the described contact electric bridge for example stickup, melting welding, soldering or other similar approach.Naturally how to have related to placement problem then in described contact supporting bracket, just this, the arch portion that is about to the projection of described dome-shaped hollow-core construction is contained in the accommodation section that is positioned at the described circular hat type on the described contact supporting bracket.
The structure that further has an advantage of the present utility model and improving as described in the appurtenance.
Description of drawings
It is new to illustrate and describe this practicality by an embodiment of the present utility model with reference to the accompanying drawings
Type and further have structure and the improvement and the further advantage of the utility model of advantage.Wherein:
Fig. 1 illustrates the overload relay front view with a dual interruption that the utility model relates to,
Fig. 2 illustrates among Fig. 3 along the schematic diagram on the A-A direction cross section, and wherein on the basis of amplifying, show the contact supporting bracket and show the contact electric bridge that supports by it,
Fig. 3 illustrates the vertical view by the contact contact electric bridge that supporting bracket supported, and wherein, this contact electric bridge is a double bridge, and
Fig. 4-6 illustrates among Fig. 3 the cross section along the B-B direction, the schematic diagram of the different obliquities of contact electric bridge.
Component parts identical or same effect or assembly are all represented with identical Reference numeral in all diagrams.
Description of reference numerals
1 overload relay
2 shells
12 second contacts
17 first contacts
20 armed levers such as grade
21 supports
22 first lever arms
23 second lever arms
24 fulcrums
25 banking pins
30 catch springs
31 pivot points
40 diverter switches
41 operation extensions
42 chains of command
50 effect springs
The 51 first spring arm of forces
The 52 second spring arm of forces
53 shell fixed axis
60 contact compression springs
101 fixing contact closing contacts
111 movable closing contact contact electric bridges
112 mid portions
The 113-116 contact arm
The 117-118 groove
The 119-122 contact block
The structure of 123 circular hat types
151 fixing contact break contacts
161 movable break contact contact electric bridges
201 bearings
202 pivots
231 protect the posture support component
232 contact supporting brackets
The 233-234 guide wall
The accommodation section of 235 circular hat types
The 236-237 fixed stop
238 long and narrow limits
The 239-240 guide pad
241 binding posts
701 adjust screw
The P arrow
The stressed arrow of K
E adjusts direction
A triggers power
Embodiment
Fig. 1 shows the part cut-away view of electric overload relay 1, has a shell 2, and portion's diverter switch 40 that to have a profile be a button is pressed by the housing exterior operation within it, and can be ejected once more.Diverter switch 40 is illustrated as the cylinder with an operation extension 41 herein, and the cylinder 40 that wherein has chain of command 42 is convenient to operate from the outside of shell.The concrete mode of the storing of this diverter switch, as have the acting in conjunction of a back-moving spring and needed locking and relieving mechanism, further do not illustrate at this, because every kind of known structure can be used at this place.
Also be provided with the grade armed lever 20 of a profile for two bars in shell 2 inside, it has one first lever arm 22 and one second lever arm 23.This first lever arm 22 is equiped with one first contact 17.This second lever arm 23 is equiped with one second contact 12.
Contact electric bridge 111,161 also can be made according to above-mentioned two contact electric bridges.Two contact electric bridges connect two pairs of contact contacts adjacent one another are, promptly have 4 contact blocks altogether.A kind of execution mode of two contact electric bridges is seen below as shown in FIG. 3.
Have a support 21 that roughly is positioned at the middle part Deng armed lever 20, it generally perpendicularly is connected to first lever arm 22, and is installed in a bearing 201 that is fixed on the shell by its free end.Whereby, on this bearing,, on direction of arrow P, turn so that wait armed lever to center on this pivot for waiting armed lever 20 to be equiped with a pivot 202.Deng armed lever 20 by it support 21 and a bearing upper support, this bearing comprises the free end of bearing 201 and support 21.Certainly other known locate mode and device also can adopt, as long as can realize that identical effect is just passable, a rotating bearing arrangement that waits armed lever 20 that for example will be located in the shell 2 also is feasible.
Be positioned at the roughly centre position of first and second lever arms 22,23, the installation position of support 21 is provided with a fulcrum 24 waiting on the armed lever 20.Hang with a catch spring 30 on fulcrum 24, its other end is fixed on a Lower Half that is positioned at described bearing and bearing 201, on pivot point 31 fixing on the fixed housing.Imaginary connecting line between fulcrum 24 and pivot 202 is expressed as connecting line 241.
The armed lever 20 that waits with catch spring 30 constitutes an apolipsis switching device.
The schematic diagram that overload relay 1 is in released state has been shown among Fig. 1.Should by catch spring 30 produce that stiff springs impact to wait armed lever 20 be to be rotated in a clockwise direction or counter its second equilbrium position or its second locked position of lifting, second contact 12 is closed and first contact 17 disconnects in this position.Come out by first make position, wait armed lever to turn left herein, second contact 12 disconnects simultaneously, first contact 17 is closed, this part is not shown in this Figure, triggers power A according to Fig. 1 by one moving into one's husband's household upon marriage of second closed position and is triggered, and this triggering power is by heat trigger, may be at an executive component and arrangement of levers and/or thrust unit (not shown herein), act on the described apolipsis switching device and produce.Also such situation may take place, this executive component influences this catch spring, and clockwise direction presses down left, up to locked-up point, indicate as the locked-up point position also, arrive and surpass this position that catch spring 30 such as makes to move to second stable make position then at armed lever 20 on its further stroke.
The described anti-process of lifting also can produce by described mode, and promptly this executive component produces a triggering power at support 21 places.This triggering power is represented by arrow A in Fig. 1 in this case.All meet known trigger equipment of the present utility model or thrust unit can be used on the principle, therefore do not do further research in existing utility model and diagram.
Triggering power A first-selection such as clockwise rotates at armed lever 20, drops on one with on fulcrum 24 and line that imaginary connecting line 241 between the pivot 202 overlaps to the stressed arrow K of catch spring 30.
The locking position of Here it is the armed lever of Denging 20 or locked-up point.When triggering power A clockwise direction and also nearly exert pressure in its position, the power of catch spring 30 is crossed imaginary connecting line 241 to right avertence, and thus, these armed levers can be rotated further clockwise, and lifts as shown in Figure 1 and instead towards its second settling position.
This second settling position at these armed levers 20 also is called second make position, second contact, 12 closures, and first contact 17 disconnects, and so, goes out to reach complete contact distance in this first contact 17.Meanwhile, first lever arm 22 of these armed levers 20 is with respect to the downward press contacts electric bridge 161 of reset force of contact compression spring 60.
The contact pressure that acts on second contact 12 is produced by catch spring 30.Upwards promotions waits second lever arm 23 of armed lever 20 thus, so that contact electric bridge 111 moves from descending relative to the fixedly contact electric bridge 101 of second contact 12, and it pushed.
In shell 2, also be provided with an effect spring 50 in addition.Utilize one first and one the second spring arm of force 51,52 and carry out work as swing spring herein, this spring is installed on the shell fixed axis 53, and forms its reset force on its disconnection direction by two spring arm of forces, 51,52 composition angles.
This first arm of force 51 is to be fixedly supported on the shell, this second arm of force 52 can flexiblely be pressed to banking pin 25 on second lever arm 23 of armed levers 20 such as being positioned at by its free end, and pass through its active force and go up impact, so that wait armed lever 20 to rotate in the clockwise direction towards direction of arrow F.
The reset force and the power of the triggering A of this contact compression spring 60, catch spring 30 determine each other, reach the stack of the power K of triggering power A and catch spring 30, with the reset force disconnection that guarantees that first contact 17 connects and presses the spring 60 that contracts.The size of the reset force of the contact compression spring of following with it 60 can be adjusted by adjusting screw 701.
The contact electric bridge 111 of second contact 12 is installed in one and protects on the posture support component 231, and this protects the posture support component and is connected with the free end of second lever arm such as armed lever such as grade 23.Fig. 2 shows support component 231 on the basis of amplifying.
It comprises a contact supporting bracket 232 as pedestal, and this contact supporting bracket is provided with two guide wall that stand vertically 233,234, only can see one of them in Fig. 2, and another is covered by visible guide wall 233 overleaf.
This contact supporting bracket 232 has the accommodation section 235 of the circular hat type of a projection disconnection that makes progress.
Contact electric bridge 111 is by a plane plate punch forming, and is a basic thin slice uniformly.Fig. 3 shows contact electric bridge 111 and is the vertical view under two contact electric bridge forms.Respectively self-deploy a pair of contact arm 113,114 to the right and left from a mid portion 112; 115,116 and moulding, be formed with groove 117,118 to launching between the arm at each, each contact arm all is a rubber-like contact arm whereby.
Be provided with a contact block 119,120,121,122 above each contact arm, therefore those contact blocks become mobilizable contact electric bridge of contact.Accordingly, four fixedly contact blocks are also arranged on contact 12.
On the mid portion 112 of the broadside that contacts electric bridge 111, the structure of a circular hat type is driven on this thin slice.This mid portion 112 obtains the peltate protrusion that a planar projections that is strutted by four contact arms forms and the hollow-core construction of the dome-shaped that promotes thus.The structure 123 of circular hat type promotes in a side of the contact block migration of contact electric bridge 111.As the making of stamping parts, the structure 123 of circular hat type is stamped to form too for contact electric bridge 111.
The structure 123 of circular hat type is meshed with the accommodation section 235 of circular hat type on being positioned at supporting bracket 232.Contact electric bridge 111 is positioned on the contact supporting bracket 232, and structure 123 outer surface the inner surfaces in the accommodation section 235 of circular hat type protruding with it of circular hat type are unfolded along two planes.Therefore contacting electric bridge 111 can rotate on any one direction.By the position of rotation of two contact electric bridges 111 that are shown in dotted line, promptly can on section AA, rotate among Fig. 2, promptly, be illustrated according to Fig. 3 around a rotating shaft perpendicular to the length bearing of trend continuity of contact electric bridge.Be rotation possibility among Fig. 4 to Fig. 6 at cross section BB, promptly show around one with the length bearing of trend rotating shaft always that contacts electric bridge, be the equilbrium position among Fig. 4, be to anticlockwise among Fig. 5, be to right rotation among Fig. 6.Any one process of direction of rotation all is possible.
Rotation possibility based on the contact electric bridge of circular cap bearing arrangement, at contact electric bridge 111 by to fixing contact block the time, contact block 119,120,121,122 on the contact arm can be with respect to the different spacing of fixing contact block compensation, and it is roughly determined by coarse location of fixing contact block or by the mismachining tolerance in the contact block making or by the influence of mechanical stress or by the mechanical deformation under the heat condition.And it is noted that what do not rely on above-mentioned inexactness is can produce same contact pressure at each contact block.This point is especially to have advantage under situation as shown in Figure 1, because the contact pressure on second contact 12 is produced by the tractive effort around the catch spring 30 of pivot 202 guiding.
Respectively be provided with a resilient fixed stop 236,237 on each guide wall 233,234, these two fixed stops extend in two inner spaces between the guide wall.The location that this has caused the contact electric bridge comes off from contact supporting bracket 232 so that the contact electric bridge can not pass between two guide wall 233,234.
Further replenish ground, contact electric bridge 111 is provided with two guide pads of outwards drawing 239,240 on its long and narrow limit 238.Those guide pads are to constitute and be contained between the guide wall 234 in guide wall in the sawtooth mode.They stop contact electric bridge 111 outwards skidding off on the posture support component 231 of protecting from contact supporting bracket 232 and guide wall 233,234 compositions on its length bearing of trend.
Certainly, this protects the posture support component can also comprise other part, only illustrate several typical here, it can realize the simple and supporting role efficiently according to contact electric bridge of the present utility model, so that it can enough simple modes cater to the difference location of fixing and movable contact block, thereby can on each contact block, produce the contact pressure that equates.Luxurious accurate make is not thus important.The location of mismachining tolerance on contact block is made and the fixedly contact block on relay1 case can be bigger, and do not have the loss of contact reliability.Realized the processing of an economy thus.
Because the torsional deformation that mechanical stress under the overload relay operating state or temperature fluctuation cause also can not cause the loss of contact force.
Here in a kind of execution mode that provides, have protect posture support component and support 21 etc. armed lever can make as plastic injection-moulded part by one.
The constituent components of the overload relay that other are important, as be used for the binding post of operating circuit and auxiliary circuit, itself bimetal leaf or lock formula device, the action that it is waiting armed lever to upload to pass bimetal leaf, in diagram, do not illustrate because they be not as broad as long with known device be exactly to remain further utility model.
Claims (9)
1. electric overload relay, it has the armed lever that waits of a rotatable setting, the described armed lever that waits is provided with at least one in order to two pairs of fixing contact electric bridges of the conductive bridge of contact block, it is characterized in that, described contact electric bridge is provided with the structure of a dome-shaped on its broadside, the structure of described dome-shaped meshes on a described contact supporting bracket that waits armed lever to be connected of usefulness with a circular cap structure, and described whereby contact electric bridge is arranged on two planes rotationally.
2. electric overload relay according to claim 1 is characterized in that, described contact electric bridge is the two contact electric bridges with two pairs of contact support arms that are located opposite one another.
3. electric overload relay according to claim 1 is characterized in that, the structure of the dome-shaped on the described contact electric bridge be one in driven on the described contact electric bridge sheet, dome-shaped, the hollow-core construction that on described contact electric bridge broadside, stretches out.
4. electric overload relay according to claim 1 is characterized in that, described circular cap structure is the accommodation section of a circular hat type on described contact supporting bracket.
5. electric overload relay according to claim 1 is characterized in that, described circular cap structure is the lug boss of a circular hat type on described contact supporting bracket.
6. electric overload relay according to claim 1 is characterized in that, described contact supporting bracket is provided with two guide wall that stand vertically, and described contact electric bridge is maintained between described two guide wall.
7. electric overload relay according to claim 6 is characterized in that described guide wall is provided with fixed stop, skids off from described contact supporting bracket to stop described contact electric bridge by described fixed stop.
8. electric overload relay according to claim 6 is characterized in that, described contact electric bridge is provided with guider on its long and narrow limit, so that described contact electric bridge and guide wall flexibly connect.
9. electric overload relay according to claim 1 is characterized in that, described contact supporting bracket is installed on the free end of described armed lever such as grade.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008057000 | 2008-11-12 | ||
| DE102008057000.1 | 2008-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408720Y true CN201408720Y (en) | 2010-02-17 |
Family
ID=41679665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200003413U Expired - Fee Related CN201408720Y (en) | 2008-11-12 | 2009-01-13 | Electrical overload relay with contact bridge |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN201408720Y (en) |
| DE (1) | DE102009043105B4 (en) |
| FR (1) | FR2938370A1 (en) |
| IT (1) | IT1396573B1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201845719U (en) | 2010-03-18 | 2011-05-25 | Abb股份公司 | Electric over-current relay with modular structure |
| EP2416332A1 (en) * | 2010-08-06 | 2012-02-08 | Eaton Industries GmbH | Switching device for an electric low voltage switching device |
| CN103137348A (en) * | 2011-11-28 | 2013-06-05 | 温州市黎洋电子有限公司 | Switch for anti-theft device |
| DE202013002978U1 (en) | 2013-03-28 | 2013-05-02 | Abb Ag | Electrical overcurrent relay in modular design |
| DE102014003263B4 (en) | 2013-03-28 | 2023-08-24 | Abb Schweiz Ag | Electrical overcurrent relay |
| DE102014003102B4 (en) | 2013-03-28 | 2021-04-29 | Abb Schweiz Ag | Electrical overcurrent relay |
| DE102014003421A1 (en) | 2013-03-28 | 2014-10-02 | Abb Ag | Electrical overcurrent relay |
| EP2940708A1 (en) | 2014-04-30 | 2015-11-04 | Abb Ag | Tripping mechanism and electrical installation device |
| EP3185273A1 (en) | 2015-12-22 | 2017-06-28 | ABB Schweiz AG | Bi-stable relay |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619569A (en) | 1950-07-12 | 1952-11-25 | Westinghouse Electric Corp | Electrical contact mounting |
| NL225879A (en) | 1957-03-15 | |||
| DE1122127B (en) * | 1959-08-19 | 1962-01-18 | Vaillant Joh Kg | Electrical snap switch |
| DD150669A1 (en) * | 1980-05-13 | 1981-09-09 | Autobrzdy Jablonec Np | ELECTRICAL CONTACT PARA |
| DE4204641C2 (en) * | 1992-02-15 | 1994-09-22 | Hella Kg Hueck & Co | Contact set |
| FR2697370B1 (en) * | 1992-10-26 | 1994-12-02 | Valeo Equip Electr Moteur | Contactor for motor vehicle internal combustion engine starter. |
| DE19755930A1 (en) | 1997-12-17 | 1999-06-24 | Abb Patent Gmbh | Contact pairing with double contact point for an electrical switching device |
| DE29917173U1 (en) | 1999-09-30 | 2000-08-24 | Abb Patent Gmbh | Actuator for an electrical overcurrent relay |
| DE102007015794B4 (en) | 2007-03-30 | 2009-02-26 | Siemens Ag | Contact slide unit for a switching unit, in particular a circuit breaker, comprising a contact slide and a contact piece |
-
2009
- 2009-01-13 CN CN2009200003413U patent/CN201408720Y/en not_active Expired - Fee Related
- 2009-09-26 DE DE102009043105.5A patent/DE102009043105B4/en active Active
- 2009-10-22 IT ITMI2009A001829A patent/IT1396573B1/en active
- 2009-11-02 FR FR0957727A patent/FR2938370A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1396573B1 (en) | 2012-12-14 |
| DE102009043105A1 (en) | 2010-05-20 |
| DE102009043105B4 (en) | 2022-06-09 |
| FR2938370A1 (en) | 2010-05-14 |
| ITMI20091829A1 (en) | 2010-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201408720Y (en) | Electrical overload relay with contact bridge | |
| EP3171385B1 (en) | Operation device of multi-pole miniature circuit breaker | |
| CN101325131A (en) | Energy dissipating spring seat | |
| EP3284096B1 (en) | Electric switch | |
| CN102893359A (en) | Mechanical switch contact | |
| US6590172B1 (en) | Circuit breaker mechanism for a rotary contact system | |
| CN1993791B (en) | Protective switch for protecting a circuit | |
| CN102217022A (en) | Electrical overcurrent relay with a borne operating lever | |
| CN101510487A (en) | Thermally operated overload relay | |
| RU2699389C2 (en) | Actuator of automatic circuit breaker | |
| CN103503102B (en) | Electrical snap-action switch | |
| EP2143118B1 (en) | Motor operator de-coupling system sensing camshaft position | |
| KR20120038468A (en) | Spring-operated mechanism having delay circuit | |
| CN101847545B (en) | Thermal overload relay | |
| RU2696014C2 (en) | Two-stage mechanical interlocking mechanism for automatic circuit breaker actuator | |
| CN206628429U (en) | A kind of moving contact Kuai He mechanisms and the breaker for possessing moving contact Kuai He mechanisms | |
| CN210296222U (en) | Vacuum circuit breaker interlocking mechanism | |
| CN101170031A (en) | Quick break low voltage circuit breaker | |
| WO2021043957A1 (en) | Semi-independent switch-disconnector | |
| CN201444470U (en) | Operating equipment for electronic overload relay and electronic overload relay provided with same | |
| CN101882537B (en) | Signaling device for circuit breaker and electrical apparatus comprising the signaling device | |
| CN111584315A (en) | Low-current thermal tripping aviation circuit breaker | |
| CN2528099Y (en) | Heat overload relay for electric machine underphase-preventing protection | |
| KR200488140Y1 (en) | Earthing switch for vcb | |
| KR200377715Y1 (en) | A Connecting Device Between Cubicle Type SF6 Gas Insulated Switchgear And Vacuum Interupter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20160113 |