EP0753199B1 - Klappanker-magnetantrieb für elektrische schaltgeräte, und verfahren zu seiner vormontage - Google Patents
Klappanker-magnetantrieb für elektrische schaltgeräte, und verfahren zu seiner vormontage Download PDFInfo
- Publication number
- EP0753199B1 EP0753199B1 EP96901262A EP96901262A EP0753199B1 EP 0753199 B1 EP0753199 B1 EP 0753199B1 EP 96901262 A EP96901262 A EP 96901262A EP 96901262 A EP96901262 A EP 96901262A EP 0753199 B1 EP0753199 B1 EP 0753199B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- hinged
- magnetic drive
- coil shell
- flange
- 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 - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
Definitions
- the invention relates to a folding armature magnetic drive for electrical switchgear, which is a movable contact carrier receiving housing part and a receiving the magnetic drive Housing part included and a procedure for pre-assembly of the hinged armature magnetic drive.
- the Invention on a direct current magnetic drive for contactors.
- Such a drive is known from DE 33 35 809 C2, which is picked up by the lower part of a contactor and in connection with the contact carrier via a hinged anchor stands, which is together with the switching chambers and the terminals located in the upper part of the housing.
- the drive contains an L-shaped yoke, on the first yoke leg Magnetic core aligned parallel to the second yoke leg is attached, on which a coil former with an excitation winding sits and attached a pole plate at its free end is.
- the hinged anchor has a cutting edge with which it is in one Corner between the inner wall of the lower housing part and the free end face of the second yoke leg is stored.
- the invention is therefore based on the object of a folding armature magnetic drive specify by overcoming with tolerance problems associated with the iron parts simply and reliable manufacture and automatic pre-assembly permits as a compact assembly.
- the pole plate is in a lateral guide slot of the armature-side bobbin flange importable and through this as well as through a opposite holding recess held.
- Guide slot and holding recess are advantageous means of insertion and Holding the pole plate in the coil body, expediently so, that the pole plate by a protruding in the guide slot Locking nose is prevented from falling out.
- first yoke leg between an end face and lateral overhangs of the anchor facing away Coil body flange is stored.
- This coil former flange can advantageously be designed in this way be that parts of it have an elastic force effect on the Exercise the outer surface of the first yoke leg to known spring means for generating the contact pressure for to form the yoke and the magnetic core against the pole plate.
- a limitation of the pivoting movement can be advantageous through the associated recesses can be made by yourself the bearing recesses dimensioned with respect to the bearing approaches are that the pivoting movement of the hinged anchor is limited, in particular by their clear height in relation to the material thickness the bearing approaches of the anchor.
- the two Bearing approaches of the hinged anchor and the associated one below the other Bearing recesses of the armature-side bobbin flange are of different lengths or widths. This ensures if necessary, the hinged anchor before installation in a position offset by 180 °.
- the Folding anchor an actuation extension compared to the swivel axis Has end face that with the contact carrier communicates and between a front opening lies in the armature-side bobbin flange, which is a flat Execution of the hinged anchor and thus an unproblematic Permitted insertion into the coil former.
- a substantially rectangular cross-sectional shape of the Coil body makes it much easier to insert the Iron parts, especially from an automated point of view Pre and final assembly of the drive.
- An advantageous embodiment for realizing the non-positive Storage of the housing base is that the connecting terminals, switching chambers and contact carriers Housing part an upper and the receiving the magnetic drive Housing part a lower housing part that can be separated from the upper represents a contactor and that the armature Bobbin flange on the side wall and the outer surface of the second yoke leg on the housing base of the lower housing part lies on or on.
- end-face training on the reel flange facing away from the anchor which is in back pressure with the opposite side wall of the lower housing part ensure an exact position of the Coil body in the lower part of the housing and thus the hinged armature to the contact carrier.
- the second Yoke leg side of the bobbin further training has, which is in back pressure with the opposite Bottom wall of the upper housing part. The if necessary, further training leads to a tight pressing of the second yoke leg through the housing base to the bobbin.
- the proposed method for pre-assembly comes without a removable or permanent, positive connection of the iron parts Yoke, magnetic core and pole plate as well as without subsequent tolerance-compensating adjustment.
- the procedure is therefore ideally suited for automated pre-assembly.
- the result is a compact assembly that works by itself is and which is advantageous to use, in particular can be checked alone and automatically assembled.
- the contactor 10 is from a lower housing part 12 and a fragmentary upper housing part 14 surround that snap onto the lower housing part 12 is.
- a folding armature magnetic drive 16 stored in the lower housing part 12 .
- the upper housing part 12 are main terminals in the usual, but not shown manner and associated switching chambers arranged.
- a contact carrier 18 in the upper housing part 14 stored with movable contacts. The contact carrier 18 will acted upon by spring force in such a way that it comes to rest the right side wall 20 of the upper housing part 14 arrives.
- the hinged armature 26 of the drive 16 engages with an actuation extension 24 into an opening 22 of the contact carrier 18, to this by its suit movement as a result of sufficient DC drive of the drive 16 to shift to the left.
- the Folding anchor magnetic drive 16 from the iron parts folding anchor 26, Yoke 28, magnetic core 30 and pole plate 32 and from one Coil body 34 made of plastic molding compound with an excitation winding 36 and with a protective circuit 38.
- the coil former 34 is essentially rectangular and has 36 coil former flanges on both sides of the field winding 40, 41 on.
- On the bobbin flange 40, which is on the side of the hinged anchor 26 are two domes 42 and 43 with control terminals 44 and 45 for control leads, Connection wires of the excitation winding 36 and the protective circuit 38 molded.
- the cuboid magnetic core 30 Within the rectangular, continuous coil opening 46 of the bobbin 34 is the cuboid magnetic core 30. Is on the right end face 48 of the magnetic core 30 the rectangular strip-shaped pole plate 32 in the anchor side Coil body flange 40 stored. These are in the bobbin flange 40 a side guide slot 50 and one opposite holding recess 52 for receiving the two Narrow areas of the pole plate 32 are provided. That from one rectangular, flat sheet metal strips with an L-shaped yoke 28 has a shorter, first yoke leg 54 and one longer, second yoke leg 56. On the left front 49 of the magnetic core 30 supports the first yoke leg 54 in the bobbin flange 41 facing away from the hinged armature 26 parallel to the pole plate 32.
- the rectangular plate-shaped hinged anchor 26 has lateral Bearing lugs 62 and 63, with which he beyond the pole plate 32nd in downwardly open bearing recesses 64 and 65 of the bobbin flange 40 is pivotally mounted (see also Fig. 5). With its swivel axis-side end 66 supports the Anchor 26 captive against the inner surface of the free end of the second yoke leg 56. For the opposite of the face 66 protruding actuation extension 24 is in the bobbin flange 40 a corresponding front opening 70 is provided.
- the bearing lugs 62 and 63 are of different lengths. Corresponding the bearing recesses 64 and 65 are not the same depth.
- the height of the bearing recesses 64 and 65 can compared to the material thickness of the bearing lugs 62 and 63 be dimensioned so that the pivot angle of the hinged anchor 26th is limited.
- the iron parts 26 to 32 are mostly loose in for the time being the bobbin 34 stored and positioned inaccurately.
- a clamping spring designed as a leaf spring 68 pinched.
- the first yoke leg 54, the Magnetic core 30 and the pole plate 32 non-positively in magnetic conductive connection.
- the hinged anchor 26 lies on one Web-shaped web-shaped on the end face of the coil body flange 40 Stop surface 72 on.
- the stop surface 72 runs in one first limitation level A for a defined stroke limitation of the hinged anchor 26.
- the accuracy of the stroke limitation of the tightened hinged anchor 26 is therefore not by the tolerances of the iron parts 26 to 32, but by the closely tolerable Dimensions of the bobbin 34 determined.
- the Web height of the stop surface 72 is dimensioned so that a narrow retentive air gap 74 between the tightened hinged anchor 26 and the pole plate 32 remains.
- a first joining movement is used 1 the pole plate 32 parallel to the later pivot axis of the hinged anchor 26 in a lateral guide slot 50 and an opposite holding recess 52 of the anchor side Coil body flange 40 inserted straight.
- a second joining movement 2 the magnetic core 30 from the end face facing away from the anchor in the Coil body 34 inserted straight.
- a third Assembly step is 3 with a third joining movement Folding anchor 26 with the front running in its plane Actuation extension 24 ahead in the anchor side
- the bobbin flange 40 is inserted in a straight line until it coincides with its rear pivot axis arranged lateral Bearing lugs 62 and 63 in the bearing recesses 64 and 65 is stored.
- a fourth assembly step with a fourth joining movement 4 the yoke 28 with its first Yoke leg 54 on the end face between the end face and the lateral overhangs 58 and 59 of the bobbin flange facing away from the anchor 41 inserted straight until the second Yoke leg 56 in the side recesses 60 and 61 of the Coil body flanges 40 and 41 lies and with its inner surface the swivel axis-side end 66 of the hinged anchor 26 faces.
- a fifth assembly step with a fifth joining movement 5 a leaf-shaped clamping spring 68 between the outer surface of the first yoke leg 54 and the lateral overhangs 58, 59 inserted in a straight-line clamping manner.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Shearing Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Description
- Figur 1:
- die Teildarstellung eines Schützes im Längsschnitt mit einem erfindungsgemäßen Gleichstrom-Klappanker-Magnetantrieb;
- Figur 2:
- den Klappanker-Magnetantrieb aus Fig. 1 in perspektivischer Darstellung;
- Figur 3:
- das gleiche aus einem anderen Blickwinkel;
- Figur 4:
- wie Fig. 2, jedoch im Längsschnitt;
- Figur 5:
- den Klappanker-Magnetantrieb in Explosionsdarstellung unter Fortlassung der Erregerwicklung.
Claims (16)
- Klappanker-Magnetantrieb mit einem elektrischen Schalgerät, das ein einen beweglichen Kontaktträger (18) aufnehmendes erstes Gehäuseteil (14) und ein den Magnetantrieb (16) aufnehmendes zweites Gehäuseteil (12) enthält, bestehend auseinem L-förmigen Joch (28),einem magnetisch mit dem ersten Jochschenkel (54) verbundenen und parallel zum zweiten Jochschenkel (56) angeordneten Magnetkern (30),einer stirnseitig am Magnetkern (30), parallel zum ersten Jochschenkel (54) angeordneten quaderförmigen Polplatte (32),einem um den Magnetkern (30) angeordneten Spulenkörper (34) mit einer Erregerwicklung (36) undeinem am freien Ende des zweiten Jochschenkels (56) schwenkbar gelagerten, plattenförmigen Klappanker (26), der mit dem Kontaktträger (18) in Verbindung steht,wobei die Hubbegrenzung im angezogenen Zustand des Klappankers (26) für dessen freies Ende durch eine Anschlagfläche (72) am ankerseitigen Spulenkörperflansch (40) erfolgt,das Joch (28) mit seinem ersten Jochschenkel (54) und die Polplatte (32) zu beiden Stirnseiten (48; 49) des Magnetkerns (30) in je einem der Spulenkörperflansche (40; 41) eingelagert sind,der Klappanker (26) mittels seitlicher Lageransätze (62; 63) in nach außen offenen Lagerausnehmungen (64; 65) des ankerseitigen Spulenkörperflansches (40) sowie gegen die Innenfläche des zweiten Jochschenkels (56) unverlierbar gelagert ist,der erste Jochschenkel (54), der Magnetkern (30) und die Polplatte (32) unter Federwirkung kraftschlüssig miteinander in Verbindung stehen,der Spulenkörper (34) mit seinem ankerseitigen Spulenkörperflansch (40) und der zweite Jochschenkel (56) mit seiner Außenfläche in dem Gehäuseteil (12) kraftschlüssig anliegt.
- Klappanker-Magnetantrieb nach Anspruch 1, dadurch gekennzeichnet, daß die Polplatte (32) in einen seitlichen Führungsschlitz (50) des ankerseitigen Spulenkörperflansches (40) einführbar ist und durch diese sowie durch eine gegenüberliegende Halteausnehmung (52) gehaltert ist.
- Klappanker-Magnetantrieb nach Anspruch 2, dadurch gekennzeichnet, daß die Polplatte (32) durch eine im Führungsschlitz (50) vorstehende Rastnase am Herausfallen gehindert ist.
- Klappanker-Magnetantrieb nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der erste Jochschenkel (54) zwischen einer Stirnfläche und seitlichen Überkragungen (58; 59) des ankerabgewandten Spulenkörperflansches (41) eingelagert ist.
- Klappanker-Magnetantrieb nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß Teile des ankerabgewandten Spulenkörperflansches (41) eine elastische Kraftwirkung auf die Außenfläche des ersten Jochschenkels (54) ausüben.
- Klappanker-Magnetantrieb nach Anspruch 4, dadurch gekennzeichnet, daß zwischen der Außenfläche des ersten Jochschenkels (54) und den seitlichen Überkragungen (58; 59) eine den ersten Jochschenkel (54) beaufschlagende Klemmfeder (68) einliegt.
- Klappanker-Magnetantrieb nach Anspruch 6, dadurch gekennzeichnet, daß die Klemmfeder (68) eine Blattfeder ist und mit seitlichen Haltenoppen in zugehörigen Rastausnehmungen der Überkragungen (58; 59) gehalten wird.
- Klappanker-Magnetantrieb nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der zweite Jochschenkel (56) in seitlichen Ausnehmungen (60; 61) der Spulenkörperflansche (40; 41) einliegt.
- Klappanker-Magnetantrieb nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Lagerausnehmungen (64; 65) bezüglich der Lageransätze (62; 63) so bemessen sind, daß die Schwenkbewegung des Klappankers (26) begrenzt ist.
- Klappanker-Magnetantrieb nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß untereinander die beiden Lageransätze (62; 63) des Klappankers (26) und untereinander die zugehörigen Lagerausnehmungen (64; 65) des ankerseitigen Spulenkörperflansches (40) unterschiedlich lang bzw. weit ausgebildet sind.
- Klappanker-Magnetantrieb nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Klappanker (26) einen Betätigungsfortsatz (24) gegenüber der schwenkachsenseitigen Stirnseite (66) aufweist, der mit dem Kontaktträger (18) in Verbindung steht und zwischen einer stirnseitigen Öffnung (70) im ankerseitigen Spulenkörperflansch (40) einliegt.
- Klappanker-Magnetantrieb nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Spulenkörper (34) im Querschnitt im wesentlichen rechteckförmig ist.
- Klappanker-Magnetantrieb nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daßdas Anschlußklemmen, Schaltkammern und Kontaktträger (18) aufnehmende Gehäuseteil (14) ein oberes und das den Magnetantrieb (16) aufnehmende Gehäuseteil (12) ein unteres, vom oberen trennbares Gehäuseteil eines Schützes (10) darstellt undder ankerseitige Spulenkörperflansch (40) an der Seitenwand (80) und die Außenfläche des zweiten Jochschenkels (56) am Gehäuseboden (86) des unteren Gehäuseteiles (12) an- bzw. aufliegt.
- Klappanker-Magnetantrieb nach Anspruch 13, dadurch gekennzeichnet, daß der ankerabgewandte Spulenkörperflansch (41) stirnseitige Ausbildungen (76) aufweist, die sich im Gegendruck mit der gegenüberstehenden Seitenwand (78) des unteren Gehäuseteiles (12) befinden.
- Klappanker-Magnetantrieb nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß die vom zweiten Jochschenkel (56) abgewandte Seite des Spulenkörpers (34) weitere Ausbildungen (82; 83) aufweist, die sich im Gegendruck mit der gegenüberstehenden Bodenwand (84) des oberen Gehäuseteiles (14) befinden.
- Verfahren zur Vormontage eines Klappanker-Magnetantriebes mit einem elektrische Schaltgerät nach einem der vorstehenden Ansprüche, wobei ein Klappanker-Magnetantrieb (16) aus einem L-förmigen Joch (28), einem Magnetkern (30), einer Polplatte (32), einem ebenen Klappanker (26) und einem im wesentlichen quaderförmigen Spulenkörper (34) mit einer Erregerwicklung (36) besteht, gekennzeichnet durch folgende Montageschritte:1) die quaderförmige Polplatte (32) wird parallel zur späteren Schwenkachse des Klappankers (26) in einen seitlichen Führungsschlitz (50) und eine gegenüberliegende Halteausnehmung (52) des ankerseitigen Spulenkörperflansches (40) geradlinig eingeschoben,2) der Magnetkern (30) wird von der ankerabgewandten Stirnfläche in den Spulenkörper (34) geradlinig eingeschoben,3) der Klappanker (26) wird mit einem in seiner Ebene verlaufenden vorderseitigen Betätigungsfortsatz (24) voran in den ankerseitigen Spulenkörperflansch (40) geradlinig eingeschoben, bis er mit in seiner rückseitigen Schwenkachse angeordneten seitlichen Lageransätzen (62; 63) in Lagerausnehmungen (64; 65) des ankerseitigen Spulenkörperflansches (40) eingelagert ist,4) das Joch (28) wird mit seinem ersten Jochschenkel (54) stirnseitig zwischen einer Stirnfläche und seitlichen Überkragungen (58; 59) des ankerabgewandten Spulenkörperflansches (41) geradlinig eingeführt, bis der zweite Jochschenkel (56) in seitlichen Ausnehmungen (60; 61) der Spulenkörperflansche (40; 41) einliegt und mit seiner Innenfläche der schwenkachsenseitigen Stirnseite (66) des Klappankers (26) gegenübersteht, und5) einen blattförmige Klemmfeder (68) wird zwischen die Außenfläche des ersten Jochschenkels (54) und die seitlichen Überkragungen (58; 59) geradlinig klemmend und dabei Joch (28), Magnetkern (30) sowie Polplatte (32) unverlierbar und zueinander sowie zum Spulenkörper (34) justiert halternd, eingeschoben.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19502322 | 1995-01-26 | ||
DE19502322A DE19502322C1 (de) | 1995-01-26 | 1995-01-26 | Klappanker-Magnetantrieb für elektrische Schaltgeräte und Verfahren zu seiner Vormontage |
PCT/EP1996/000116 WO1996023314A1 (de) | 1995-01-26 | 1996-01-12 | Klappanker-magnetantrieb für elektrische schaltgeräte, und verfahren zu seiner vormontage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0753199A1 EP0753199A1 (de) | 1997-01-15 |
EP0753199B1 true EP0753199B1 (de) | 1999-06-16 |
Family
ID=7752331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96901262A Expired - Lifetime EP0753199B1 (de) | 1995-01-26 | 1996-01-12 | Klappanker-magnetantrieb für elektrische schaltgeräte, und verfahren zu seiner vormontage |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0753199B1 (de) |
JP (1) | JP2968341B2 (de) |
AT (1) | ATE181457T1 (de) |
CZ (1) | CZ284845B6 (de) |
DE (1) | DE19502322C1 (de) |
HU (1) | HU220733B1 (de) |
WO (1) | WO1996023314A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2112085A1 (de) * | 1971-03-12 | 1972-09-14 | Siemens Ag | Elektromagnetisches Relais |
DE3335809A1 (de) * | 1983-10-01 | 1985-04-18 | Brown, Boveri & Cie Ag, 6800 Mannheim | Elektromagnetisches schaltgeraet |
US4672344A (en) * | 1985-04-19 | 1987-06-09 | Siemens Aktiengesellschaft | Polarized electromagnetic relay |
DE3644172A1 (de) * | 1986-12-23 | 1988-07-07 | Bbc Brown Boveri & Cie | Elektromagnetischer schalterantrieb fuer ein elektrisches schaltgeraet |
EP0370452A3 (de) * | 1988-11-22 | 1991-11-27 | Omron Corporation | Elektromagnetisches Relais mit einer verbesserten Anschlussklemmenanordnung |
US5070315A (en) * | 1989-05-26 | 1991-12-03 | Omron Corporation | Electromagnetic relay |
DE9303437U1 (de) * | 1993-03-09 | 1993-08-26 | Kosowski Dimiter Dr Ing | Elektromagnetisches Kleinrelais |
-
1995
- 1995-01-26 DE DE19502322A patent/DE19502322C1/de not_active Expired - Lifetime
-
1996
- 1996-01-12 HU HU9602611A patent/HU220733B1/hu not_active IP Right Cessation
- 1996-01-12 CZ CZ963144A patent/CZ284845B6/cs unknown
- 1996-01-12 EP EP96901262A patent/EP0753199B1/de not_active Expired - Lifetime
- 1996-01-12 JP JP8522579A patent/JP2968341B2/ja not_active Expired - Fee Related
- 1996-01-12 WO PCT/EP1996/000116 patent/WO1996023314A1/de active IP Right Grant
- 1996-01-12 AT AT96901262T patent/ATE181457T1/de active
Also Published As
Publication number | Publication date |
---|---|
JPH09507338A (ja) | 1997-07-22 |
ATE181457T1 (de) | 1999-07-15 |
CZ314496A3 (en) | 1997-12-17 |
HUP9602611A2 (en) | 1997-09-29 |
DE19502322C1 (de) | 1996-05-09 |
HUP9602611A3 (en) | 2000-06-28 |
EP0753199A1 (de) | 1997-01-15 |
HU9602611D0 (en) | 1996-11-28 |
WO1996023314A1 (de) | 1996-08-01 |
CZ284845B6 (cs) | 1999-03-17 |
HU220733B1 (hu) | 2002-05-28 |
JP2968341B2 (ja) | 1999-10-25 |
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