CN1018685B - Magnetic trip device with knife-blade articulation - Google Patents
Magnetic trip device with knife-blade articulationInfo
- Publication number
- CN1018685B CN1018685B CN 88106363 CN88106363A CN1018685B CN 1018685 B CN1018685 B CN 1018685B CN 88106363 CN88106363 CN 88106363 CN 88106363 A CN88106363 A CN 88106363A CN 1018685 B CN1018685 B CN 1018685B
- Authority
- CN
- China
- Prior art keywords
- tabular armature
- armature
- blade
- tabular
- mentioned
- 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
Links
Images
Classifications
-
- 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
- H01H50/24—Parts rotatable or rockable outside coil
- H01H50/26—Parts movable about a knife edge
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Breakers (AREA)
- Scissors And Nippers (AREA)
Abstract
The articulation of the vane 12 of an electromagnetic trip device is produced with a blade carried by an independent retaining piece 34 fixed rigidly to the vane 12 which may be of a different material to that of the retaining piece 34.
Description
The present invention relates to be used for electromagnetic tripping apparatus earthed switch or circuit breaker, magnetic lock, it comprises a U-iron core, and the end of two support arms of this iron core forms two conplane pole surface; Tabular armature around rotational, this tabular armature is pressed on above-mentioned two pole surface when the preset position of this trip gear, the magnetic circuit that is made of this iron core and this tabular armature with closure; The permanent magnet of an above-mentioned magnetic circuit; With a tripping coil around this magnetic circuit.Above-mentioned tabular armature utilizes the blade connecting mode, be mounted to such an extent that can rotate along the external margin on a surface in the described pole surface, this blade type connects the rotational line that defines cutter when threading off generation, bearing-surface on this makes blade and is fixed to iron core combines, so that cutter is located in the longitudinal direction.
The high sensitive electromagnetic trip gear of importantly realizing described type is possible, and this device provides the very little margin of error and reliable operation is provided.Pole surface and being connected in of tabular armature of swaying are made in these high sensitive electromagnetic trip gears and must be paid special attention to.The trip gear of prior art comprises the tabular armature around rotational, and this tabular armature has the otch (Cut-out) as the blade that constitutes this tabular armature connection.For fear of relatively moving arbitrarily mutually in this tabular armature pole surface in the process of rotational and friction arbitrarily, importantly the edge of blade do must with iron core in the external edge of the pole surface of attachment side along consistent.The otch that forms blade is positioned near this pole surface, and when the impact owing to otch caused burr to eliminate, pole surface is impaired to be inevitable in practice.In addition, the material of tabular armature selects to depend on its magnetic characteristic that in general, this material does not have the hardness that is enough to constitute the blade that connects usefulness.The processing of pole surface (being electrobrightening)
Influenced the characteristic of blade, thus can not finish this release proper operation requisite very perfect connection.
The purpose of this invention is to provide a kind of high sensitivity trip gear, the wherein particularly processing of its pole surface and haveing nothing to do connecting of cutter of the processing of tabular armature around rotational.
Electromagnetic tripping apparatus of the present invention is characterized in that above-mentioned blade belongs to an independently holding member, it is securely fixed on this tabular armature, the locking plate that above-mentioned holding member has and and above-mentioned blade limited tabular armature together in the longitudinal direction with respect to the moving of iron core, thereby avoided because this mobile wearing and tearing and the margin of error that causes.
Owing to make and connect blade and become and tabular armature parts independently, therefore the material of the material of tabular armature and this coupling components can be different, and be easy to select according to required characteristic, for example holding member is a steel, and tabular armature can be by the iron-nickel alloy manufacturing with suitable magnetic characteristic.Holding member can be a tablet, after the pole surface of tabular armature is processed it is fixed by welding on the tabular armature when manufacturing finishes.This tabular armature by a spring set in leaving the position.The set-up mode of this spring is that blade is attached on its area supported.Corresponding to making blade leave its area supported, this tabular armature mobile restriction that is subjected to locking plate in the longitudinal direction, this locking plate is configured on the holding member that is fixed on the tabular armature and towards blade.The bearing-surface of this connection blade is arranged on the flat board that is rigidly fixed on the iron core, and two legs is arranged, and this two legs is outstanding from the pole surface of iron core, between the blade and locking plate that are inserted in holding member.This dull and stereotyped material should be selected to such an extent that make it to have connecting of very friction and high operating reliability with the blade formation is a kind of.
Other advantage and characteristics will be seen that from a following embodiment who is used for illustrating of the present invention.This embodiment only provides and is shown in the following drawings as a non-limiting instance.
Fig. 1: the schematic profile of electromagnetic tripping apparatus of the present invention.
Fig. 2: the detail drawing of tabular armature when the attracted position among Fig. 1.
Fig. 3: the vertical view of tabular armature shown in Figure 2.
In these figure, the high sensitive electromagnetic trip gear comprises a U-iron core 10 and the tabular armature 12 around rotational.The layout of two support arms 14,16 of iron core 10 makes two pole surface 18,20 be located on the same horizontal plane.Tabular armature 12 is pasting two pole surface, represents the desired location of this trip gear.The support arm 14 supporting coils 22 of iron core 10 are inserted between two support arms 14 and 16 permanent magnet 24 of iron core 10 polarization.Tabular armature 12 can be around rotational, and the external edge of this axis and pole surface 20 is along 26 consistent, and tabular armature 12 is placed by spring 28 and leaves the position.This assembly is contained in the shell 30, and control pin 32 passes this shell.This electromagnetic tripping apparatus is well-known in the present technique field, and being enough to associate tabular armature 12 return force that spring 28 is lived in 24 opposings by permanent magnet keeps being pressed on the position on the iron core 10, this tabular armature 12 since the effect of the spring 28 when the dropout position around rotational, the release of the tabular armature 12 of excitation coil 22 controls.
According to the present invention, tabular armature 12 is to make greater than the sheet material of the distance between two support arms 14,16 with its length of a rectangle, so that it can cover on the attachment side 26 of fixing return spring 28.This sheet material 12 will select to have the material and the process necessary processing (i.e. polishing) of suitable magnetic, to realize best pole surface.Holding member 34 is fixed on the tabular armature 12, and holding member 34 has covered the support arm 16 of tabular armature 12 and iron core 10 in side direction.The holding member 34 that for example is made of a steel with a tablet is pressed on the upper surface of the tabular armature of putting with the pole surface back of the body 12, and as leans on two solder joints 36 to weld and be securely fixed on the tabular armature 12.Two of holding member 34 cover the limit and are folded to support 38,40 the insides that flanked tabular armature 12.The limit of support 38,40 is bevels, with the blade 42 of the connection that forms tabular armature 12.Dull and stereotyped 44 is solid
Fig. 3: the vertical view of tabular armature shown in Figure 2.
In these figure, the high sensitive electromagnetic trip gear comprises a U-iron core 10 and the tabular armature 12 around rotational.The layout of two support arms 14,16 of iron core 10 makes two pole surface 18,20 be located on the same horizontal plane.Tabular armature 12 is pasting two pole surface, represents the desired location of this trip gear.The support arm 14 supporting coils 22 of iron core 10.The permanent magnet 24 of iron core 10 polarization is inserted between two support arms 14 and 16.Tabular armature 12 can be around rotational, and the external edge of this axis and pole surface 20 is along 26 consistent, and tabular armature 12 is placed by spring 28 and leaves the position.This assembly is contained in the shell 30, and control pin 32 passes this shell.This electromagnetic tripping apparatus is well-known in the present technique field, and being enough to associate tabular armature 12 pulling force that spring 28 is lived in 24 opposings by permanent magnet keeps being pressed on the position on the iron core 10, this tabular armature 12 since the effect of the spring 28 when the dropout position around rotational, the tabular armature 12 of excitation coil 22 controls discharges.
According to the present invention, tabular armature 12 is to make greater than the sheet material of distance between two support arms 14,16 with its length of a rectangle, so that it can take attachment side 26 with fixing return spring 28.This sheet material 12 will select to have the material and the process necessary processing (i.e. polishing) of suitable magnetic, to realize best as far as possible pole surface.Holding member 34 is fixed on the tabular armature 12, and holding member 34 has covered the support arm 16 of tabular armature 12 and iron core 10 in side direction.The holding member 34 that for example is made of a steel with a tablet is pressed on the upper surface with pole surface tabular armature 12 vis-a-vis, and by welding, is securely fixed on the tabular armature 12 as solder joint 36.Two overlap edges of holding member 34 are converted into the carriage 38,40 that laterally surrounds tabular armature 12.The limit of carriage 38,40 is bevels, with the blade 42 of the connection that forms tabular armature 12.Dull and stereotyped 44 are fixed on the external edge edge of the support arm 16 of iron core 10, and dull and stereotyped 44 end has 46,48, two protuberances 46,48 of two protuberances to give prominence to away from the pole surface 20 of iron core 10.Two protrusions 46,48 are arranged towards the carriage 38,40 of bending, and blade 42 withstands on two protuberances 46,48, and this protuberance 46,48 forms the bearing-surface of attachment section.Return spring 28 tilts a little, so that apply the supporting force component of blade 42 on protuberance 46,48.Protuberance 46,48 is inserted in blade 42 and keeps between the locking plate (50,52), with moving on the length direction of restriction armature 12.
When the attracted position of tabular armature 12 shown in Figure 2, can be readily seen that blade interface 42 makes tabular armature 12 folk prescriptions to the location, ground in the longitudinal direction, and tabular armature fully freely is pressed on the pole surface 18,20.The external edge of pole surface 20 of blade 42 being aimed at the shaft axis that constitutes tabular armature 12 is along 26.When taking place when threading off, tabular armature 12 winds the rotational by blade 42 and edge 26 guiding, and this has just prevented any the moving relative to friction between the pole surface of iron core 10 and tabular armature 12.The result of An Paiing like this, guiding function is all carried out by holding member 34, and 12 open and closes of carrying out this trip gear magnetic circuit of tabular armature.
Very clear, holding member 34 can also differently be arranged, can be made of a machined components that is fixed to by any way on the tabular armature 12.
The present invention should not be subjected to the restriction of this special embodiment that describes naturally.
Claims (3)
1, a kind of electromagnetic tripping apparatus that is used for the magnetic lock of earthed switch or circuit breaker, it comprises a U-iron core (10), two isoplanar pole surface (18,20) that the end of two support arms (14,16) of this iron core (10) forms; Tabular armature (12) around rotational, when the preset position of this trip gear, this tabular armature is pressed on above-mentioned two pole surface (18,20), the magnetic circuit that is made of this iron core and this tabular armature with closure; The permanent magnet of an above-mentioned magnetic circuit (24); With a tripping coil (22) around this magnetic circuit, above-mentioned tabular armature (12) by a blade coupling mechanism install can be along the external edge of above-mentioned pole surface (20) along rotation, define the rotational line of tabular armature when threading off generation, this makes blade (42) and the bearing-surface (46 that is fixed on the iron core (10), 48) combine, so that tabular armature (12) is located in the longitudinal direction, it is characterized in that above-mentioned blade (42) is arranged at one independently on the holding member (34), this holding member is rigidly fixed on this tabular armature (12) and has the bending extension part, be formed in the carriage that the side holds around tabular armature, described carriage has facing to supporting surface (46,48), and be cut into the edge of blade (42), the locking plate (50 that above-mentioned holding member (34) has, 52) and above-mentioned blade (42) limit this tabular armature (12) moving with respect to iron core (10) in the longitudinal direction together, thereby avoided owing to this wearing and tearing and the margin of error that causes that move, described flat board (44) is fixed on the external edge edge of iron core (10), dull and stereotyped (44) extend two protrusions (46,48), two protrusions are given prominence to away from relevant magnetic sheet surface (20), surround this tabular armature (12) with side direction, above-mentioned protrusion (46,48) be inserted in blade (42) and above-mentioned locking plate (50 with a gap, 52) between, so that tabular armature (12) is located in the longitudinal direction.
2, electromagnetic tripping apparatus according to claim 1, it is characterized in that spring (28) makes plate armature (12) place the dropout position of leaving, spring (28) tilts, so that tabular armature (12) is at the supporting surface (46,48) that reclines on boundary's direction that connects of blade (42).
3, according to the electromagnetic tripping apparatus described in claim 1 or 2, it is characterized in that above-mentioned holding member (34) is a little steel plate, it is placed on the back side on magnetic sheet surface of this tabular armature in the attachment section, and by firm welding be fixed on the tabular armature (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8712343 | 1987-09-03 | ||
| FR8712343A FR2620264B1 (en) | 1987-09-03 | 1987-09-03 | MAGNETIC TRIGGER WITH KNIFE JOINT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1032604A CN1032604A (en) | 1989-04-26 |
| CN1018685B true CN1018685B (en) | 1992-10-14 |
Family
ID=9354656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88106363 Expired CN1018685B (en) | 1987-09-03 | 1988-09-02 | Magnetic trip device with knife-blade articulation |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0306383B1 (en) |
| JP (1) | JP2765865B2 (en) |
| CN (1) | CN1018685B (en) |
| DE (1) | DE3880055T2 (en) |
| ES (1) | ES2040878T3 (en) |
| FR (1) | FR2620264B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763884B (en) * | 2004-10-21 | 2010-04-14 | 施耐德电器工业公司 | Electromechanical trigger and an electronical safety appliance with the same |
| CN1747097B (en) * | 2004-09-02 | 2012-04-25 | 施耐德电器工业公司 | Electromagnetic trip device and electronic switching device comprising same |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2107935B1 (en) * | 1994-09-12 | 1998-10-01 | Saez M Luisa Delgado | IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF RELAYS. |
| FR2823369B1 (en) * | 2001-04-06 | 2003-10-24 | Realisation De Disjoncteurs So | ELECTROMAGNETIC TRIGGER COMPRISING AN ELECTROMAGNETIC CIRCUIT BASED ON AN ELASTICALLY DEFORMABLE BASE AND ELECTROMAGNETIC TRIGGER INCLUDING A FLOATING COIL |
| 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 |
| FR2823371B1 (en) * | 2001-04-06 | 2004-11-26 | Realisation De Disjoncteurs So | ELECTROMAGNETIC TRIGGER COMPRISING AN ELECTROMAGNETIC CIRCUIT WHOSE MOBILE FRAME IS CAPABLE OF OCCUPATING THREE POSITIONS OF STABLE BALANCE |
| 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 |
| DE102007010946B4 (en) * | 2006-06-14 | 2018-03-08 | Eaton Industries Gmbh | Overload release for a multipolar electrical switchgear |
| DE102012202084A1 (en) | 2012-02-13 | 2013-08-14 | Siemens Aktiengesellschaft | Hinged armature bearing for magnetic release |
| CN104282508B (en) * | 2014-10-13 | 2016-08-24 | 浙江正泰电器股份有限公司 | A kind of electromagnetic trip device with tripping mechanism |
| US11538650B1 (en) * | 2021-10-22 | 2022-12-27 | Siemens Industry, Inc. | Air gap driving mechanism of a solid-state circuit breaker includes permanent magnet(s) for contact separation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4026226Y1 (en) * | 1964-07-29 | 1965-09-06 | ||
| FR1541052A (en) * | 1967-08-11 | 1968-10-04 | Ind Electr De La Seine L | Ultra-sensitive electro-magnetic trip unit |
| FR2261614A1 (en) * | 1974-02-14 | 1975-09-12 | Gardy Ste Francaise | High sensitivity mechanical relay or contact breaker - for use in differential switching circuits |
| JPS5550168A (en) * | 1978-10-09 | 1980-04-11 | Tokyo Kinzoku Kk | Overcurrent detector for electric circuit |
-
1987
- 1987-09-03 FR FR8712343A patent/FR2620264B1/en not_active Expired
-
1988
- 1988-08-11 ES ES88402089T patent/ES2040878T3/en not_active Expired - Lifetime
- 1988-08-11 EP EP19880402089 patent/EP0306383B1/en not_active Expired - Lifetime
- 1988-08-11 DE DE19883880055 patent/DE3880055T2/en not_active Expired - Fee Related
- 1988-09-02 CN CN 88106363 patent/CN1018685B/en not_active Expired
- 1988-09-02 JP JP63220253A patent/JP2765865B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747097B (en) * | 2004-09-02 | 2012-04-25 | 施耐德电器工业公司 | Electromagnetic trip device and electronic switching device comprising same |
| CN1763884B (en) * | 2004-10-21 | 2010-04-14 | 施耐德电器工业公司 | Electromechanical trigger and an electronical safety appliance with the same |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0306383A1 (en) | 1989-03-08 |
| FR2620264B1 (en) | 1989-12-01 |
| JPH01157026A (en) | 1989-06-20 |
| JP2765865B2 (en) | 1998-06-18 |
| EP0306383B1 (en) | 1993-04-07 |
| DE3880055T2 (en) | 1993-10-14 |
| CN1032604A (en) | 1989-04-26 |
| ES2040878T3 (en) | 1993-11-01 |
| DE3880055D1 (en) | 1993-05-13 |
| FR2620264A1 (en) | 1989-03-10 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: France is not the Dragon within - burlin Library Applicant after: Schneider Electric SA Address before: France Applicant before: Merlin Gerin |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: MERLIN GERIN TO: SCHNEIDER ELECTRIC SA |
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| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: SCHNEIDER ELECTRIC SA TO: SCHNEIDER ELECTRIC INDUSTRIAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Schneider Electric SA Patentee before: Schneider Electric SA |
|
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |