CN1747097A - Electromagnetic trip device and electrical switchgear apparatus comprising same - Google Patents
Electromagnetic trip device and electrical switchgear apparatus comprising same Download PDFInfo
- Publication number
- CN1747097A CN1747097A CN200510097675.3A CN200510097675A CN1747097A CN 1747097 A CN1747097 A CN 1747097A CN 200510097675 A CN200510097675 A CN 200510097675A CN 1747097 A CN1747097 A CN 1747097A
- Authority
- CN
- China
- Prior art keywords
- blade
- armature
- trip gear
- mentioned
- lug
- 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.)
- Granted
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Classifications
-
- 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
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
- H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
- H01H71/323—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with rotatable armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Electromagnets (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to an electromagnetic trip device, in particular to an electromagnetic trip device for derivative restrictors or circuit breakers, comprising a U-shaped armature A, the end portion of which forms two polarity surfaces (7, 8); a vane (1) capable of rotating around the armature A and being moved to the polarity surfaces (7, 8) to close the magnetic path formed by the armature A and the vane (1); a permanent magnet for polarizing the magnetic path so as to keep the blade within the polarity surfaces (7, 8); a trip coil revolving around the magnetic path and being capable of counteracting magnetic force to move the vane (1); a resetting pin (15) arranged on the vane (1); a blade (10) fixed on the vane (1) and designed to buffer the impact of resetting force. The trip device is characterized in that the blade (10) comprises an articulation pivot (25) to articulate the vane with respect to the armature A; the blade (10) further comprises a lock (30) shape part which is designed for the locking of a spring (9) for counteracting the function of the permanent magnet and offsetting the vane (1) to be away from the polarity surfaces (7, 8) of the armature A.
Description
Technical field
The present invention relates to a kind of electromagnetism trip gear, the armature that comprises a U type, its end forms two polar surfaces, a blade, can rotate and can be moved to the closed magnetic circuit that forms by armature and blade on the described polar surfaces around armature, the permanent magnet of the magnetic circuit that is used for polarizing, a trip coil, thereby round magnetic circuit and can offset the magnetic force moving blade, the replacement pin of a blade, a blade, design is used for cushioning the impact of replacement power and the restoring spring of blade.
Background technology
Many electromagnetism trip gears, for example those are at file EP911, describe in 850, EP829,895 and DE4,110,660, all not have design to be used for cushioning the device of replacement power impact.
File DE 3,528,470 has described a trip gear, comprises a buffer unit with blade.Yet in this device, the rotation of blade is achieved by an extra section that is placed between blade and the armature, and spring is fixed on a protuberance that is molded on the blade, and therefore, complex structure seems during assembling.
Summary of the invention
The present invention proposes a kind of trip gear and a kind of switching device that comprises this device of simplified design.
For this target, an object of the present invention is to provide the trip gear of an aforementioned type, this trip gear is characterised in that the blade that above-mentioned blade comprises with respect to armature engages pivot.
Specific embodiment according to the present invention, this blade comprise two and extend and include the lug that engages pivot along each limit of blade.
According to a specific feature, lug extends along the plane that is approximately perpendicular to the blade primary flat.
Advantageously, lug and joint pivot cast in blade.
According to another feature, two above-mentioned lugs are accommodated in one and are arranged at the wherein recess of a tip extension of armature both wings.
According to another feature, the moulding of above-mentioned pivot by the part that is molded over the band angle on the lug, and with the inwall Collaboration that is arranged in above-mentioned recess.
According to another feature, the angle of the part at above-mentioned band angle is selected with limit blade opening in the assembling process of trip gear.
According to another feature, blade comprises the part of a lock shape, and it is designed to pin the effect of offsetting permanent magnet and the spring of blade away from the armature polar surfaces of setovering.
According to another feature, blade comprises the stops that a limit blade moves to the joint opposition side.
Advantageously, stops is by belonging to two two edge formings that are provided at the blade of each limit recess of blade respectively, and design is used for receiving respectively and is positioned at wherein two branches of the end that engages with described blade of a wing of armature both wings.
According to another feature, blade presents the shape of circular arc, and its radius is defined as when resetting by pin it and can the rear portion that blade be biased in it be engaged on the stops.
According to another feature, above-mentioned lug comprises two respectively and relative lay respectively at described lug inner surface and be contained in projection in the described recess, and described projection is designed to respect to armature blade and blade be carried out lateral register.
Another target of the present invention provides a switching device, and it comprises a kind of include separately or in conjunction with the electromagnetism trip gear of above-mentioned feature.
Description of drawings
But, by ensuing to given only as the detailed description of the accompanying drawing of example purpose, other advantages of the present invention and feature will become more clear, wherein:
Fig. 1 is an end view according to electromagnetism trip gear of the present invention, is sitting at " loaded " position,
Fig. 2 be a blade that is called buffer substrate tablet vertical view and
Fig. 3 is the end view of last figure.
Embodiment
In Fig. 1, can see that the electromagnetism trip gear of a high sensitivity is designed to be incorporated in the differential switch.This trip gear comprises a U type armature A and a moving blade 1.This armature A is made of a pedestal 2 and two wings 5 and 6.Blade 1 is bonded on two wings 5 of armature A and an end 8 of one of 6 the wing 6, and in the " loaded " position of trip gear D, described blade 1 is pressed in and constitutes the wing 5 of two polar surfaces and 6 respectively hold on 7 and 8.The housing of coil B centers on one of both wings of armature A to be settled.A permanent magnet P who is used for polarised armature A is fixed between the described wing 5 and 6, tries hard to keep and is held in the position that can attract polar surfaces so that blade 1 can overcome returning of spring 9.Such trip gear is well-known, what must recall is that the release of blade 1 is to have offset permanent magnet the attraction of blade 1 is produced owing to exciting of coil, thereby make blade 1 be biased to away from the polar surfaces 7 of armature A and 8 position by restoring spring, this of blade 1 moves the interruption that has caused circuit.
This trip gear also comprises a replacement blade 10, and it is concordant with an end 12 of 12 with its opposite end 11 that it is fixed on the top of blade 1.The two ends 13 and 14 of blade 10 are pressed on the blade 1, and are concordant with 8 with doping region 7, thereby distribute replacement power and prevent the distortion of blade 1, and this distortion is harmful to functional characteristic of trip gear D.This blade 10 can be suppressed at the impact of the replacement power that produced by the pin 15 of resetting in the operation of resetting, and blade 1 has been got back to its Elementary Function position after the operation of resetting like this.
Can see with reference to figure 2 and 3 that particularly according to the present invention, this blade 10 forms the shape 16 of a slight projection of part, two lugs 17 and 18 are extended in the plane that is approximately perpendicular to blade 10 primary flats from this part upper edge.This blade 10 also comprises two recesses 19 respect to one another of the axis along blade 10 and 20, and each recess extends to the part that just surpasses described blade 10 length from the position 21 and 22 central axial direction along blade 10 of blade 10 longitudinal edges.Refer again to Fig. 1, can see the wing 6 in the wing 5 and 6 of armature A, engaging blade 1 on it, stopped, only represented one of them branch 23 here by two branches 23.The above-mentioned recess 19 and 20 of blade 10 all is designed to hold one of them branch 23 of these branches 23 of armature 6.Two above-mentioned lugs 17 of blade 10 and 18 each all comprise an angled portion 24 and 25 that forms pivot, they are designed to inner surface 32 collaborative works with above-mentioned branch 23, and are accommodated in the recess 31 that the described wing 6 one ends are provided with.
Each recess 19 and 20 limit 26 and 27 are positioned at the same side of joint, form a rear portion stops 28, are used for the travelling forward of limit blade 1, just, and towards the motion of joint opposition side.Therefore guaranteed that blade 1 is at its joint with respect to the only location of polar surfaces 7 and 8.
Each lug 17 and 18 inner surfaces at them also comprise extend an and projection 29 and 34 that described blade 10 is carried out lateral register of the central axial direction along blade 10.
Therefore, by the point on the smooth surface dish, and polar surfaces that need not be any and any cutting burr of generation are realized lateral register.
This blade also extends the special shape 30 of a part, is used for pinning above-mentioned restoring spring 9.This blade 10 is had pliable and tough, material non-magnetic, non-corrosive and available laser welding and is made by selected.
Can also see that support engages pivot 24 and 25 lug 17 and 18 present an angle 35, selected angle is used for opening of in assembling process limit blade 1.
The shape of blade 10 can obtain by the single parts of cutting, bending and punching press.These parts can be assembled on the blade of relay by laser welding process.
In normal operation, blade pass is crossed permanent magnet and is remained on the armature polar surfaces.When fault occurred in the circuit that trip gear is installed, electric current flow through the attraction of coil opposing magnet.Blade is biased to position away from armature by restoring spring then.In this motion process, blade shroud rotates the surperficial Collaboration of the branch of blade and described one of them wing of armature around an axle that is formed by the joint pivot materialization on the lug that is formed on blade.When resetting operation, the rear portion that blade is biased to it engages stops, and described blade is got back to its Elementary Function position under the effect of blade.
Therefore, when relay is reset by pin, an electromagnetism trip gear that includes the simple designs that prevents the deformable blade device is achieved by means of the present invention, this device by parts realized the spring connection, engaged, stopped, the function of power distributor on lateral register, longitudinal register, open-angle restriction, buffer unit and the magnetic pole.
Undoubtedly, the invention is not restricted to provide only for purposes of example description and graphic embodiment.
On the contrary, the present invention extends whole technical equivalents and the combination thereof that has comprised described means, if the latter can be achieved according to its essence.
Claims (14)
1. electromagnetism trip gear, the armature that comprises a U type, its end forms two polar surfaces, a blade, thereby can rotate and can be moved to the closed magnetic circuit that forms by armature and blade on the described polar surfaces around armature, the permanent magnet of the magnetic circuit that is used for polarizing, a trip coil, thereby round magnetic circuit and can offset the magnetic force moving blade, the replacement pin of a blade, a blade, be fixed on and design the impact that is used for cushioning replacement power on the blade, and the restoring spring of a blade, it is characterized in that above-mentioned blade (10) comprises the joint pivot (24,25) with respect to armature A rotating blades (1).
2. trip gear as claimed in claim 1 is characterized in that blade (10) comprises two lugs (17,18), extends and comprise along each limit of blade (1) to engage pivot (24,25).
3. trip gear as claimed in claim 1 or 2 is characterized in that lug (17,18) extends in the plane that is approximately perpendicular to blade (10) primary flat.
4. as claim 2 or 3 described trip gears, it is characterized in that lug (17,18) and engage pivot (24,25) casting in blade (10).
5. as any one described trip gear among the claim 2-4, it is characterized in that above-mentioned two lugs (17,18) are contained in the recess (31) that is arranged on one of armature A both wings (5,6) wing (6) one ends.
6. trip gear as claimed in claim 5 is characterized in that above-mentioned pivot (24,25) forms by being molded over the angled portion on the lug (17,18), and with the inwall that is arranged in above-mentioned recess (31) (32) Collaboration.
7. trip gear as claimed in claim 6 is characterized in that the angle (35) of above-mentioned angled portion (24,25) is selected to limit blade (1) opening in the assembling process of trip gear D.
8. as any one described trip gear in the above-mentioned claim, it is characterized in that blade (10) comprises the part (30) of a lock shape, it is designed to pin the effect of offsetting permanent magnet and the spring (9) of blade (1) away from armature A polarity surface (7,8) of setovering.
9. as any one described trip gear in the above-mentioned claim, it is characterized in that blade (10) comprises the stops (28) that a limit blade (1) moves to joint (24,25,32) opposition side.
10. trip gear as claimed in claim 9, it is characterized in that above-mentioned stops (28) is by belonging to two recesses (19 that are arranged on each limit of blade (10) respectively, the both sides (26 of blade 20) (10), 27) moulding, design is used for receiving respectively two branches (23) that are positioned at the end that a wing (6) engages with described blade (10) in the armature A both wings (5,6).
11. as any one described trip gear in the above-mentioned claim, it is characterized in that blade (10) presents the shape of circular arc, its radius is defined as when it can be biased in blade (1) on its rear portion joint stops (24,25,32) when resetting by pin (15).
12. trip gear as claimed in claim 10, it is characterized in that above-mentioned lug (17,18) comprise two respectively and relative lay respectively at described lug (17,18) on the inner surface and be contained in described recess (19,20) projection (29 in, 34), described projection (29,34) is designed to respect to armature A blade (1) and blade (10) be carried out lateral register.
13. an electromagentic switching apparatus comprises one as any one described trip gear in the above-mentioned claim.
14. a differential switch comprises one as any one described trip gear in the above-mentioned claim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0409304A FR2874740B1 (en) | 2004-09-02 | 2004-09-02 | ELECTROMAGNETIC TRIGGER AND ELECTRICAL CUTTING APPARATUS HAVING THE SAME |
| FR0409304 | 2004-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1747097A true CN1747097A (en) | 2006-03-15 |
| CN1747097B CN1747097B (en) | 2012-04-25 |
Family
ID=34950324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510097675.3A Active CN1747097B (en) | 2004-09-02 | 2005-08-31 | Electromagnetic trip device and electrical switchgear apparatus comprising same |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1632970B1 (en) |
| CN (1) | CN1747097B (en) |
| AR (1) | AR050555A1 (en) |
| AU (1) | AU2005205771B2 (en) |
| BR (1) | BRPI0503707B1 (en) |
| EA (1) | EA008953B1 (en) |
| ES (1) | ES2636538T3 (en) |
| FR (1) | FR2874740B1 (en) |
| NO (1) | NO329292B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793785A (en) * | 2021-09-17 | 2021-12-14 | 乐清拓优电气有限公司 | Tripping device of residual current circuit breaker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681927A (en) * | 2020-06-02 | 2020-09-18 | 上海电气集团股份有限公司 | Buffer device of low-voltage circuit breaker |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2410353A1 (en) * | 1977-11-28 | 1979-06-22 | Merlin Gerin | Polarised relay for differential circuit breaker - has magnetic yoke having two L=shaped legs, one carrying de-energising coil and other completing loop with permanent magnet |
| DE3528470A1 (en) * | 1985-08-08 | 1987-02-19 | Bbc Brown Boveri & Cie | Residual current device |
| SU1339690A1 (en) * | 1985-11-11 | 1987-09-23 | Харьковский институт инженеров коммунального строительства | Maximum-current tripping device |
| FR2620264B1 (en) * | 1987-09-03 | 1989-12-01 | Merlin Gerin | MAGNETIC TRIGGER WITH KNIFE JOINT |
| DE4110660C2 (en) | 1991-04-02 | 1996-05-02 | Felten & Guilleaume Energie | Magnet system for a fast-switching hinged armature relay |
| DE19637077A1 (en) | 1996-09-12 | 1998-03-19 | Maier & Cie C | Permanent magnet for the magnetic circuit of a magnetic release that can preferably be used in a residual current circuit breaker |
| FR2754933B1 (en) * | 1996-10-23 | 1998-11-27 | Schneider Electric Sa | ELECTROMAGNETIC TRIGGER RELAY WITH AMORPHOUS CARBON COATING, AND METHOD FOR MANUFACTURING THE SAME |
| EP0911850B1 (en) * | 1997-10-23 | 2006-07-05 | GE Power Controls Espana S A | Electromagnetic relay |
| FR2779568B1 (en) * | 1998-06-04 | 2000-07-13 | Schneider Electric Ind Sa | ELECTRICAL CUT-OFF DEVICE INCLUDING A DIFFERENTIAL TRIP DEVICE AND CIRCUIT BREAKER INCLUDING SUCH A DEVICE |
| DE10117340C1 (en) * | 2001-04-06 | 2002-10-10 | Siemens Ag | Electromagnetic trigger relay has blade joint formed on pole face outer edge directly by edge of holding element mounted flat on underside of armature and guide plate on core outer side |
| FR2823370B1 (en) * | 2001-04-06 | 2003-10-24 | Realisation De Disjoncteurs So | ELECTROMAGNETIC TRIGGER COMPRISING A MOBILE ARMATURE AND A FIXED ARMATURE ONTO WHICH A GUIDING PART OF THE MOBILE ARMATURE IS SNAPSHOT |
-
2004
- 2004-09-02 FR FR0409304A patent/FR2874740B1/en active Active
-
2005
- 2005-06-09 EP EP05354025.8A patent/EP1632970B1/en active Active
- 2005-06-09 ES ES05354025.8T patent/ES2636538T3/en active Active
- 2005-08-23 NO NO20053926A patent/NO329292B1/en unknown
- 2005-08-30 BR BRPI0503707-7A patent/BRPI0503707B1/en active IP Right Grant
- 2005-08-31 CN CN200510097675.3A patent/CN1747097B/en active Active
- 2005-09-01 AU AU2005205771A patent/AU2005205771B2/en active Active
- 2005-09-01 EA EA200501234A patent/EA008953B1/en not_active IP Right Cessation
- 2005-09-01 AR ARP050103674A patent/AR050555A1/en active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793785A (en) * | 2021-09-17 | 2021-12-14 | 乐清拓优电气有限公司 | Tripping device of residual current circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0503707A (en) | 2006-04-11 |
| EP1632970A2 (en) | 2006-03-08 |
| EA200501234A1 (en) | 2006-04-28 |
| NO20053926L (en) | 2006-03-03 |
| AU2005205771B2 (en) | 2009-10-08 |
| BRPI0503707B1 (en) | 2023-01-24 |
| EA008953B1 (en) | 2007-10-26 |
| AU2005205771A1 (en) | 2006-03-16 |
| ES2636538T3 (en) | 2017-10-06 |
| CN1747097B (en) | 2012-04-25 |
| NO329292B1 (en) | 2010-09-27 |
| FR2874740A1 (en) | 2006-03-03 |
| FR2874740B1 (en) | 2006-10-20 |
| EP1632970B1 (en) | 2017-05-10 |
| NO20053926D0 (en) | 2005-08-23 |
| AR050555A1 (en) | 2006-11-01 |
| EP1632970A3 (en) | 2009-02-18 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |