CN201576637U - Electromagnetic circuit breaker and switching device - Google Patents
Electromagnetic circuit breaker and switching device Download PDFInfo
- Publication number
- CN201576637U CN201576637U CN 200920161421 CN200920161421U CN201576637U CN 201576637 U CN201576637 U CN 201576637U CN 200920161421 CN200920161421 CN 200920161421 CN 200920161421 U CN200920161421 U CN 200920161421U CN 201576637 U CN201576637 U CN 201576637U
- Authority
- CN
- China
- Prior art keywords
- coil
- circuit breaker
- electro
- connector
- axis
- 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
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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
- H01H71/2463—Electromagnetic mechanisms with plunger type armatures
-
- 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
- H01H71/2481—Electromagnetic mechanisms characterised by the coil design
-
- 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
- H01H2071/249—Electromagnetic mechanisms with part of the magnetic circuit being in the normal current path in the circuit breaker, e.g. yoke, fixed contact and arc-runner are made out of one single conductive element
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to an electromagnetic circuit breaker (1) which comprises a fixed magnetic core and a movable armature, the two parts are arranged in a cylindrical tubular coil body (2) with a middle shaft (3); and the electromagnetic circuit breaker (1) further comprises a coil (4) wound around the coil body (2), and the coil comprises two end parts (5 and 6), and connecting pieces (7 and 8) are arranged on the end parts (5 and 6). The connecting pieces (7 and 8) are mirror-symmetrically arranged and mounted relative to an imaginary mirror surface (9), wherein the mirror surface (9) is arranged at the center of the two end parts (5 and 6) and vertical to the middle shaft (3) of the coil (4), and each connecting piece (7 or 8) is far away from a winding of the coil (4) in the direction which is parallel to the middle shaft (3).
Description
Technical field
The utility model relates to a kind of electro-magnetic circuit breaker as described in the preamble according to claim 1, it is used to the switchgear that connects up, be particularly useful for line protection switch, this electro-magnetic circuit breaker has: fixing magnetic core and one is armature movably, and these two parts are arranged in the coil case of cylindrical, the tubulose that has axis; A coil that twines around coil case, this coil has two ends and have connector on each end.
The utility model also relates to a kind of wiring switchgear as described in the preamble according to claim 5; especially a kind of line protection switch or failure current protection switch; it has at least one electro-magnetic circuit breaker; this electro-magnetic circuit breaker comprises that one has the coil case of cylindrical, the tubulose of axis, a coil that twines around coil case, and this coil has two ends and have connector on each end.
Background technology
Line protection switch has an electro-magnetic circuit breaker and a thermal cut-out, wherein thermal cut-out when overcurrent occurring and electro-magnetic circuit breaker when short circuit current occurring, all will cut off switchgear.When thermal cut-out was just in time on the latch mode in switching mechanism, this switching mechanism was connected with contact lever, will make this contact lever release, and electro-magnetic circuit breaker will disconnect contact lever by bump immediately when short circuit current occurring; While electro-magnetic circuit breaker just switching mechanism is operated, thereby switchgear keeps disconnecting.
Such electro-magnetic circuit breaker has a fixing magnetic core usually, and it is corresponding to a mobile armature, and wherein magnetic core and armature are surrounded by a coil pipe, thereby armature leads with respect to magnetic core in good mode.Twining coil around coil pipe, this coil is flow through by short circuit current when short circuit current occurring.Magnetic core conduct independently parts is located on yoke or the magnetic core dish, and this magnetic core card is for contact lever, and therefore magnetic core plays booster action when short circuit current occurring, and armature will enter into coil inside.At this, armature outwards promotes a striker, and it can affact subsequently and impel its disconnection on the contact lever.
Such electro-magnetic circuit breaker is known, for example describes to some extent in DE 60 2,004 001 817 T2.In the execution mode of Zhan Shiing, the end of inductance coil is away from the winding of coil on tangent direction there.Need therefrom, coil will be guided coil pipe into when electro-magnetic circuit breaker will be installed to the tram.The rotation of coil will cause the installation of a mistake, because overhang can not be coupled to the solder joint in the equipment again.This electro-magnetic circuit breaker at present will be with higher cost and is only made with manual.In automation was installed, automatic assembly equipment was in order to be directed to coil accurately in the correct position, and operation will inevitably be quite complicated, thereby the automation of electro-magnetic circuit breaker installation is wasted time and energy.
The utility model content
At prior art, the purpose of this utility model is to propose a kind of electro-magnetic circuit breaker, and it can be simply in the automation installation process and cost is assembled lessly.
With respect to electro-magnetic circuit breaker, realize by a kind of electro-magnetic circuit breaker of feature according to claim 1 based on the purpose of this utility model.
According to the utility model, connector is provided with symmetrically and installs with respect to an imaginary specular mirror picture, and wherein in the axis of coil, and each connector is away from the winding of coil to minute surface on the direction parallel with axis with the central vertical between two ends.As can be seen, in the time of promptly in introducing automated manufacturing equipment, the rotation of coil no longer has negative effect from the mirror image symmetrical structure.Because when coil in according to electro-magnetic circuit breaker of the present utility model is rotated with 180 °, and the connector of coil is on the identical position all the time with respect to its solder joint in equipment.Therefore, coil can on the left side or the right weld.And then the automation that can realize the economy of electro-magnetic circuit breaker is installed.
According to a particularly advantageous embodiment of the present utility model, on the end face of coil case, have a brace that is connected with magnetic core, this brace is away from coil case being parallel on the direction of axis.On this brace, can weld the connector of coil.Brace can constitute with such length, and promptly it has contained the length of connector.The spacing of brace and axis is corresponding to the spacing of the connector and the axis of coil when coil is pulled on the coil case, thereby connector is resisted against on the brace and can welds with it when coil is shifted onto on the coil case.
According to another advantageous embodiments of the present utility model, the end face of cylindrical wires circle body forms brace near the magnetic core dish that is connected with magnetic core on this magnetic core dish.
According to another advantageous embodiments of the present utility model, the end face of the close magnetic core dish of coil case and the spacing between the overhang (coil case and end are adjoined) are greater than the opposing end faces and the spacing between the overhang (coil case and end are adjoined) of coil case.Therefore, coil can navigate on the coil pipe well.
With respect to the wiring switchgear, realize by a kind of wiring switchgear with the described feature of claim 5 based on the purpose of this utility model.According to the utility model, be coil accordingly with connector, this connector is with respect to the setting and the installation of an imaginary specular mirror picture symmetry, in the axis of coil, and each connector is being parallel to the winding that is away from coil on the direction of axis to this minute surface with the central vertical between two ends.
Other favourable designs of the present utility model and improvement project and advantage provide in the dependent claims.
Description of drawings
Accompanying drawing and specification are used for better understanding the utility model.Substantially the same or similar explanation and part explanation can be provided with same reference marker.The only schematically illustrated embodiment of the present utility model of accompanying drawing.
This:
Fig. 1 shows the diagram according to electro-magnetic circuit breaker of the present utility model, and
Fig. 2 shows the diagram that has according to the wiring switchgear of electro-magnetic circuit breaker of the present utility model.
In the accompanying drawings, member or parts identical or same function are provided with identical reference marker.
Embodiment
Line protection switch 20 (see figure 2)s have a switching mechanism with latch mode (not shown) 21 that schematically shows.Switching mechanism 21 is connected with the rotatable contact lever 22 that is provided with.Contact lever 22 undertakes movably contact 23 on its free end, this contact together constitutes a contact 25 with the contact of fixing 24.Electric arc guide plate 26 is corresponding to fixing contact 24, and for example 25 electric arc foot points that form when disconnecting import to and trigger in the chamber 27 this electric arc guide plate in the contact with one.Between first binding clip 28 and second binding clip 29, a current path is by line protection switch, and this line protection switch can be by rotating contact lever 22 and facilitating the disconnection of contact 25 to be interrupted therefrom.
Electro-magnetic circuit breaker 1 is corresponding to contact lever 22 movably, and this electro-magnetic circuit breaker has armature 13, and this armature remains in the coil case 2 of cylindrical tube slidably with direction of arrow P.When short circuit current occurring, armature 13 moves and then promotes magnetic core 30 with direction of arrow P in the inside of coil case 2.It collides striker 29 there directly or indirectly, wherein only can see tip outside in the state that does not trigger according to Fig. 1 and 2.Armature 13 is released with the direction of arrow P striker from coil case 2, thus this striker to contact lever 22 hit and this contact lever 22 to disconnect the direction swing.On the position that dotted line is represented, latch mode is unlocked in the switching mechanism 21 simultaneously, thereby contact 25 just after the contact disconnects, when short circuit current no longer exists, will keep disconnecting.For other details of this jockey specific design scheme, for example here do not describe, because these details all can be mentioned in each existing embodiment as thermal cut-out and its jockey and other details that has switching mechanism yet.
At length observe the structure of electro-magnetic circuit breaker 1 now, see Fig. 1.Coil case 2 has the shape of cylindrical tube, and it has the axis 3 between an X and X '.In the inner space of this coil case, be fixed with magnetic core on the left side in Fig. 1, one of them less projecting block illustrates with reference marker 30.Magnetic core is fixed on the magnetic core dish 12, in the left side that this magnetic core dish upper support coil pipe 2.First plate is connected with magnetic core dish 12, this plate as electric arc guide plate 26 crooked to the right at angle and in the parallel beneath of coil case 2 in axis 3.In addition, a brace 11 is connected with magnetic core dish 12, this brace crooked left at angle and parallel axis 3 left side that is away from coil case extend.
On coil case 2, be wound with coil 4.Two connectors 7,8 of this coil are provided with (seeing cut-off rule YY ') symmetrically with respect to imaginary minute surface 9 mirror images and are designed to, and this cut-off rule is with the axis 3 of the central vertical between two ends 5,6 in coil 4.Each connector 7,8 is away from the winding of coil 4 on the direction that is parallel to axis 3.Welding has the coil 4 of brace 11 on left connector 8.Welding has the coil 4 of guide rail 31 on right connector 7, and this guide rail is used to connect binding clip 29.
Because the mirror image of connector 8,9 is symmetrical arranged, so its length is the same.Each end 6,5 of coil 4 and the spacing of the end of affiliated connector 8,7 all are identical size on each side.Connector 8,7 is parallel to this axis with a spacing a with axis 3.Spacing a sets like this, promptly when coil 4 is inserted on the coil case 2, make connector 8,9 near brace 11.Here do not need connector 8 very prudent fully, for it is arranged to correct position with the welding of brace 11 time, enough when coil 4 is inserted on the coil case 2.To carry out that automation installs be very important for more economical for this.Also be rotated with 180 ° with respect to minute surface 9 and when being inserted on the coil case 2, the connector 7 that is positioned at the left side just in time is coupled to brace 11 when coil 4, because two connectors are because mirror image symmetry and equal in length and have the spacing identical with axis 3.
The left part 6 and the magnetic core dish 12 of coil 4 have spacing d.This spacing produces from the length of connector 8.This spacing can be adjusted by the length that changes brace 11.The length of brace 11 is short more, and then spacing d is long more.By spacing d will set coil 4 on coil case 2 the position and set the position of coil 4 therefrom with respect to magnetic core in the coil case 2 and armature.The length of brace 11 can for example be limited by available structure space in housing.And when coil 4 was arranged on the coil case 2 more to the right, it is big that spacing d then becomes.When if magnetic core also is provided with in the inside of coil case 2 more to the right, thereby coil 4 can be more advantageously with respect to magnetic core and armature setting.
Reference marker
1 electro-magnetic circuit breaker
2 coil cases
3 axis
4 coils
5 ends
6 ends
7 connectors
8 connectors
9 minute surfaces
10 end faces
11 braces
12 magnetic core dishes
13 armature
20 line protection switch
21 switching mechanisms
22 contact levers
23 contacts movably
24 fixing contacts
25 contacts
26 electric arc guide plates
27 electric arcs trigger the chamber
28 binding clips
29 binding clips
30 magnetic cores
31 guide rails
Claims (5)
1. an electro-magnetic circuit breaker (1), described electro-magnetic circuit breaker has: fixing magnetic core and one is armature movably, and described these two parts are arranged in the coil case (2) of cylindrical, the tubulose that has axis (3); A coil (4) that twines around described coil case (2), described coil has two ends (5,6) and have connector (7,8) on described each end (5,6),
It is characterized in that, described connector (7,8) is provided with symmetrically and installs with respect to an imaginary minute surface (9) mirror image, wherein said minute surface (9) is with the axis (3) of the central vertical between described two ends (5,6) in described coil (4), and described each connector (7,8) is away from the winding of described coil (4) on the direction parallel with described axis (3).
2. electro-magnetic circuit breaker according to claim 1 (1), it is characterized in that, have a brace that is connected with magnetic core (11) on the end face (10) of described coil case (2), described brace is away from described coil case (2) on the direction that is parallel to described axis (3).
3. electro-magnetic circuit breaker according to claim 2 (1) is characterized in that, the end face (10) of described coil case (2) forms described brace (11) near the magnetic core dish (12) that is connected with magnetic core on described magnetic core dish.
4. electro-magnetic circuit breaker according to claim 3 (1), it is characterized in that, spacing between the end face (10) of the close described magnetic core dish (12) of described coil case (2) and the end (6) of described coil (4) is greater than the spacing between the end (6) of the opposing end faces of described coil case (2) and described coil (4), and the coil case of described coil and its end are all adjoined.
5. a wiring switchgear (10); especially a kind of line protection switch or failure current protection switch; it has at least one electro-magnetic circuit breaker (1); described electro-magnetic circuit breaker comprises that one has the coil case (2) of cylindrical, the tubulose of axis (3), a coil (4) that twines around described coil case (2); described coil has two ends and have connector on each end
It is characterized in that, the connector (7,8) that described coil (4) is had is provided with symmetrically and installs with respect to an imaginary minute surface (9) mirror image, described minute surface is with the axis (3) of the central vertical between two ends (5,6) in described coil (4), and described each connector (7,8) is away from the winding of described coil (4) on the direction that is parallel to described axis (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009021771.1 | 2009-05-18 | ||
| DE200910021771 DE102009021771A1 (en) | 2009-05-18 | 2009-05-18 | Electromagnetic release and switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576637U true CN201576637U (en) | 2010-09-08 |
Family
ID=42470632
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920161421 Expired - Lifetime CN201576637U (en) | 2009-05-18 | 2009-06-29 | Electromagnetic circuit breaker and switching device |
| CN201010177919XA Pending CN101894712A (en) | 2009-05-18 | 2010-05-18 | Electro-magnetic circuit breaker and switchgear |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010177919XA Pending CN101894712A (en) | 2009-05-18 | 2010-05-18 | Electro-magnetic circuit breaker and switchgear |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2254139B1 (en) |
| CN (2) | CN201576637U (en) |
| DE (1) | DE102009021771A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894712A (en) * | 2009-05-18 | 2010-11-24 | Abb股份有限公司 | Electro-magnetic circuit breaker and switchgear |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014215007A1 (en) * | 2014-07-30 | 2016-02-04 | Siemens Aktiengesellschaft | Protection switching device and magnetic yoke |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE6930706U (en) * | 1969-07-31 | 1970-01-08 | Eberle Werke Kg | POWER RELAY |
| JP3204243B2 (en) * | 1999-03-12 | 2001-09-04 | 株式会社村田製作所 | Surface mount type coil parts |
| FR2806522B1 (en) * | 2000-03-14 | 2003-09-19 | Schneider Electric Ind Sa | MAGNETIC TRIGGERING DEVICE, PARTICULARLY FOR CIRCUIT BREAKER, AND ELECTRICAL PROTECTION APPARATUS COMPRISING SUCH A DEVICE |
| EP1463082A1 (en) * | 2003-03-26 | 2004-09-29 | Siemens Aktiengesellschaft | Electrical switching device |
| FR2858106B1 (en) * | 2003-07-22 | 2005-09-23 | Hager Electro | IMPROVED MAGNETIC SUBASSEMBLY AND CIRCUIT BREAKER HAVING SUCH A MAGNETIC SUBASSEMBLY |
| DE102009021771A1 (en) * | 2009-05-18 | 2010-11-25 | Abb Ag | Electromagnetic release and switching device |
-
2009
- 2009-05-18 DE DE200910021771 patent/DE102009021771A1/en not_active Withdrawn
- 2009-06-29 CN CN 200920161421 patent/CN201576637U/en not_active Expired - Lifetime
-
2010
- 2010-04-28 EP EP10004474.2A patent/EP2254139B1/en active Active
- 2010-05-18 CN CN201010177919XA patent/CN101894712A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894712A (en) * | 2009-05-18 | 2010-11-24 | Abb股份有限公司 | Electro-magnetic circuit breaker and switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102009021771A1 (en) | 2010-11-25 |
| EP2254139A3 (en) | 2013-08-21 |
| EP2254139A2 (en) | 2010-11-24 |
| EP2254139B1 (en) | 2016-03-23 |
| CN101894712A (en) | 2010-11-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |