CN1387670A - Electric safety switch device - Google Patents
Electric safety switch device Download PDFInfo
- Publication number
- CN1387670A CN1387670A CN00815230A CN00815230A CN1387670A CN 1387670 A CN1387670 A CN 1387670A CN 00815230 A CN00815230 A CN 00815230A CN 00815230 A CN00815230 A CN 00815230A CN 1387670 A CN1387670 A CN 1387670A
- Authority
- CN
- China
- Prior art keywords
- armature
- switch device
- safety switch
- electric safety
- aforesaid right
- 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
- H01H71/2463—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
- 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
-
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention relates to an electric safety switch device (1), especially a protective motor switch, comprising a housing (12) consisting of insulating material, a switching contact arrangement and a tripping unit with an electromagnetic instantaneous tripping device (10) comprising a trip coil (38), a magnet core (68), an armature (62) and a turn armature (69). The aim of the invention is to simplify the construction of the inventive device in such a way that said device can be assembled more comfortably and that the threshold values for the instantaneous tripping device can be adjusted more easily. To this end, the armature (62) is axially and moveably accommodated in a receiving body (60) made of insulating material. Said body (60) accommodates a spring element (64) which impinges the armature (62) with a spring force against the release moving direction thereof. The receiving body (60) thus fitted can be mounted into the release unit and can be exchanged.
Description
Prior art
The present invention relates to a kind of aforementioned part described electric safety switch device, especially motor protecting switch as claimed in claim 1.
The switching device of known a kind of the type from DE 42 08 716 C2.This protection switch device also have one have a switching device and a breaking units, by the housing that insulating material is made, breaking units has the electromagnetism high speed circuit breaker for the short circuit sensitivity.
Task of the present invention is: a kind of switching device of described type is provided, and it carries out such simplification aspect structure, i.e. assembling device more easily, and the response that can regulate high speed circuit breaker more simply.
From beginning the protection switch device of described type, task of the present invention is accomplished by the feature of independent claims, and has provided the favourable improvement of the present invention from dependent claims.
By constructing an independently module, for the high speed circuit breaker of protection switch device provides a removable unit.Standalone module comprises of having an armature and a spring element and accepts body.Spring element can be changed, and especially can be connected with the magnetic core (Magnetkern) of high speed circuit breaker by a connection that constitutes the power transmission chain, by changing unit of the present invention, can change the operating value of protection switch device with simple mode.Needn't in narrow space, carry out loaded down with trivial details adjusting work.Advantageously: this unit can especially can insert perpendicular to the front surface of device and can be fixed among the device from the front (promptly in operating key one side) of protection switch device.The present invention's structure advantageously is applicable to have the device that is bonded in the breaking units in the housing at least in part.In a preferred embodiment of the invention, breaking units is only to be fixed in the housing by bonding.
Other details of the present invention and advantage can be learnt from dependent claims and following embodiment by means of description of drawings.Shown in the figure be:
Fig. 1: the stereogram of a protection switch device of the present invention,
Fig. 2: the exploded view of the circuit breaker of protection switch device of the present invention,
Fig. 3 a: the removable exploded view of accepting body that has armature and spring element
Fig. 3 b: accept the profile of the A-A line of body in Fig. 3 a,
Fig. 3 c: accept the profile of the B-B line of body in Fig. 3 a,
Fig. 4: have independently the preassembled breaking units that pre-assembled is accepted body,
Fig. 5 have installed breaking units and independently assembled in advance accept a protection switch housing parts of body.
Fig. 1 shows electric safety switch device 1, especially a motor protecting switch.It has that a rotating driver, one are used to connect or disconnect circuit and shows knob 11 and the housing 12 that can be divided into three housing parts 13,14,15 that disconnects in overload or when opening circuit.Middle housing parts 14 has a cable intake 16 that has cable connecting terminal 17.
Fig. 2 shows the breaking units of protection switch device of the present invention with the form of exploded view.At this, breaking units comprises a part stent 5, can fix a link 6 on it.This part stent 5 is preferably made with thermoplastics.
On upper leg 21, be provided with a join domain 19 that is used to connect overcurrent vreaker or bimetal release 9.At this, heater 22 was especially connected join domain 19 by means of plasma welding or gas shielded arc welding and was connected with link 6.For this reason, heater 22 in known manner in the shape of a spiral shape ground be provided with round a bimetallic 8, and preferably also be to be connected with bimetallic 8 on its another free end by means of plasma welding or gas-shield welding method.By the welding of the Buchholz protection between copper and the bimetallic 8, bimetallic is difficult to weld, and has obtained reliable connection, thereby has overcome the quality problems that may cause thus.By means of the welding of Buchholz protection welding or plasma, heating element 22 is welded on passive of bimetallic 8.The passive face of bimetallic 8 is well suited for and welds, and is to be made by the alloy that quite is difficult to weld or can't weld because have only active surface.
The bottom of bimetallic 8 vertically is connected on a bandy tongue piece 33 with a rim lamination 28.
This rim lamination 28 is by forming with the lower part: transverse leg that zone that takes the shape of the letter U substantially that has two parallel side leg 29,31, one couple together them 30, one vertically one are connected second canned paragraph 32 and tongue piece 33 on the leg 31, and high speed circuit breaker is fixed by these legs.
Be provided with a fixed connecting plate 35 on canned paragraph 32, it is engaged in the microscler blocked hole that of part stent 5 has fixing joint tongue 37, and therefore, rim lamination 28 is fixed in the part stent 5.
Be provided with a contact element 7 of L-shaped structure basically, this contact element 7 stretches with the canned paragraph 32 that one of its shank is parallel to rim lamination 28.
The trip coil 38 of high speed circuit breaker 10 is connected with contact element 7 with an end winding, and is connected on canned paragraph 32 with rim lamination 28 with its another end winding.This connection preferably also fetches realization by Buchholz protection welding or plasma welding.
Be provided with leaving a blank that the parts that are used for rim lamination 28 contactlessly insert each other on the shank that canned paragraph 32 stretches in being parallel to of contact element 7 regionally, and be connected with an end winding of trip coil in head one side.Therefore, can constitute the structure in special saving space.
A line of rabbet joint motor (SLOTMOTOR) 47 is housed in the bottom section of part stent 5 in advance.
In a special preferred embodiment, breaking units is not fully by bonding be fixed in the housing 12 (promptly adopt be threaded, clamping, clamping or similar approach).It is the position that is particularly suitable for as bonding that projection on the parts of importing voltage (Spannungfuehrend) confirms.In an illustrated embodiment, in the join domain 19 of link 6, be provided with at least one first bonding extendible portion K1, with tongue piece 33 that rim lamination 28 is connected on be provided with one second bonding protruding K2, and rim lamination 28 from one's body, in the corner region of side leg 29 and transverse leg 30, be provided with one the 3rd and one the 4th bonding convex shoulder K3 and K4.
Flow into the electric current in the parts that are installed on the part stent 5, flow to the weld of join domain 19/ heating element 22 from the bottom leg of link 6, next flow in the heating element 22 weld up to heating element 22/ bimetallic 8, next by the weld of bimetallic 8 up to bimetallic 8/ rim lamination 28, then the canned paragraph 32 by rim lamination 28 is up to the fixing weld of section 32/ disconnection coil 38, then flow to the weld that disconnects coil 38/ contact element 7 by the winding that disconnects coil 38, flow in the contact element 7, so that make electric current be continued conduction by the contact element that moves with contact element 7 mating reactions.
But Fig. 3 a shows the unit of an assembled in advance with exploded view, and it has one and accepts body 60, an armature 62 and a spring element 64.
The integral body of armature (except its part 63) can be processed into by turning by a square shaped steel in a simple manner.At this, by the centering of material on the central axis of square shaped steel, its underpart MA
1And the top MA that staggers from the center line of profile during material centering
2(for example by carry out turning on lathe) processing makes.
Accept body 60 and make, be used to accept armature 62 and spring element 64 by insulating material.Wherein, armature 62 is positioned in basically accepting in the body 60 in a tubular form with longitudinal movement.By be preferably torsionspring structure and also be placed in and accept among the body 60 or flexible member 64 above it, make armature 62 be applied in an elastic acting force going up (being downward direction here) in the opposite direction with release movement side.For this reason, torsionspring is supported on the bearing 66 of accepting body 60 with an one free end.Torsionspring is inserted in the part 63 of armature 62 from behind with its another free end, and therefore it is applied an elastic acting force on the opposite direction of its release movement direction.
Accepting body 60 is made up of tubular sections I and a head sections II of a bottom basically.
The effect of section I is: its top I
1The guiding that is used for armature 62, and its underpart I
2Be used for fixing at high speed circuit breaker 10.Part I thereon
1In, accept body 60 and have lower part MA with armature 62
2The tube wall zone (seeing Fig. 3 b) that is complementary, circular cross section is dwindled.The part I that opens wide at the edge of its underpart
2In, accept body 60 within it portion constitute circle especially, come cross section with armature 62 be complementary (Fig. 3 c).
Accept in the body 60 for armature 62 is assembled to, a part 63 that makes armature 62 is encased in the lower part I that accepts body 60 forward from the below
2In.On the resting position of assembled in advance, armature 62 is clamped on the contrary by free end below the part 63 that acts on armature 62 of torsionspring and release movement direction in the inside of accepting body 60.Here, armature 62 is by by the transition plane MA that forms between the top of armature 62 and the lower part
If, this plane with accept of body 60 inside and especially be circular bearing mating reaction, with the rightabout of release movement on limit its shift motion.By this way, being supported on armature 62 in the pre-assembled unit (60,62,64) is placed between the off position on above-mentioned resting position and the release movement direction movably.Magnetic field magnetisation that is produced by the armature that is placed with longitudinal movement 62 and fixing magnetic core 68 and the effect by magnetic attract each other, and in the magnetic field intensity that regulation occurs with during the breaking current that occurs stipulating thereupon, reach open position.Armature 62 accessible moving and elastic force generation reciprocation under predetermined electric current intensity, by means of this elastic force, armature 62 is clamped on the direction opposite with release movement in advance.Like this, can regulate the limiting current that high speed circuit breaker 10 triggerings are opened circuit by the physical dimension of torsionspring.For open circuit, armature 62 acts on the impact armature 69 that (striking) partly be directed in magnetic core 68.
According to Fig. 4, in order being fixed on the high speed circuit breaker 10 accepting body 60, to accept body 60 and pass a perforate 29a of side leg 29 with the opened end portions of its underpart I, removably be plugged on the magnetic core 68 of high speed circuit breaker 10 (to constitute the mode of power transmission chain).But guaranteed to have convertibility like this by accepting the pre-assembled unit that body 60, armature 62 and spring element 64 form.Consequently: be easy to assemble, the physical dimension of the switching device relevant with the response of breaking current simplified.Be fixed in un-rotatably among the short interruption device 10 in order to ensure unit 60,62,64, accept body 60 and side leg 29 and have corresponding anti-rotation insurance institution 70,71.For this reason, accept and preferably have one in the structure of body 60 along circumference fixed lobe that settle, directed outwards, and side leg 29 in its perforate 29a, have one with the leaving a blank of this fixed lobe mating reaction.
Part stent is made by thermoplastics, and is bonded in the housing of being made by thermoset plastics or housing parts, also as the miscellaneous part support of other phases.
Need not adopt additional as being threaded or clamping and similarly be connected means and carry out bonding.
On housing 12, be provided with bonding groove, in them, be filled with the bonding agent of about 0.010g.
The pin of breaking units is immersed in the bonding groove, and they are bonded in the there.
First group of pin or pin are to being formed separately on rim lamination, and second group of pin forms on the link.The 3rd group of pin in addition also forms on the rim lamination.
By bonding only be the metal bump of lamination, here be exactly pin.These pins are three-dimensional and distribute, thereby guarantee good fixed effect.Add up to 12 pins.
Like this, just cancelled all being threaded.By this persistent fixedly connected, reached in simpler mode and to make the bimetallic position keep stable purpose.By using thermoplastics and adhering method, reduced thermal stress and mechanical stress widely, and guaranteed thermal stability and shape stability.
The part stent of assembled in advance is pushed in the housing in its chamber of designing.
The present invention is not limited to embodiment described above, but comprises all execution modes that have said function with the present invention.In addition, the physical dimension of high speed circuit breaker (10) also can be determined by the prestressed controllability of spring, rather than realize by changing whole unit (60,62,64).For this reason, accept body (60) and can have the prestressed mechanism that is used to change spring mechanism (64).In a kind of possible execution mode, this mechanism constitutes the bearing of a spring arm laying torsionspring, thereby guarantees to have different prestressing force on the diverse location by it.In addition, apparatus of the present invention also comprise other protection switch device, as power switch or power protection switch or similar switch.All features in the accompanying drawings all are under the jurisdiction of the present invention, geometry size especially as shown in the figure.
5 parts of reference number switching device 1 armature, 62 part stent, 63 attaching parts, 6 spring elements, 64 contact elements, 7 bearings, 66 bimetallics, 8 magnetic cores, 68 overcurrent vreakers 9 impact armature 69 fast choppers 10 anti-rotation mechanisms 70,71 knobs, 11 housings, 12 housing parts 13,14,15 cable leading entrances, 16 cable connecting terminals, 17 bottom leg, 18 join domains, 19 upper leg, 21 heating element heaters, 22 gim pegs, 23 rim laminations, 28 transverse leg, 30 side leg 29,31 canned paragraphs, 32 tongue pieces, 33 trip coils 38 are accepted body 60
Claims (12)
1. electric safety switch device (1), especially motor protecting switch has
-one housing made from insulating material (12),
-one switch contact device, and
-one breaking units, it has an electromagnetism high speed circuit breaker (10), comprises a trip coil (38), a magnetic core (68), an armature (62) and an impact armature (69),
It is characterized by,
-armature (62) can be positioned in one by accepting in the body (60) that insulating material is made with moving axially,
-accepting body (60) is holding a spring element (64), and this spring element applies an elastic acting force against its release movement direction to armature (62), and
The accepting body (60) and can be assemblied among the breaking units replaceably of the such piece installing of-described quilt.
2. electric safety switch device according to claim 1, it is characterized by: the structure of accepting body (60) basically in a tubular form, and have a bottom along part (I) circumference sealing, that be provided with an opened end portions, armature (62) partly is directed to therein; And the part of opening wide in a circumferential direction (II) with a top, armature (62) and spring element (64) mating reaction are in wherein. regionally
3. one or multinomial described electric safety switch device in requiring according to aforesaid right is characterized by: accept body (60) and be positioned in the hole (29a) of rim lamination (28) of the structure that takes the shape of the letter U of high speed circuit breaker (10).
4. one or multinomial described electric safety switch device in requiring according to aforesaid right is characterized by: accepting body (60) can plant on the magnetic core (68) with its end that deviates from armature stud.
5. one or multinomial described electric safety switch device in requiring according to aforesaid right is characterized by: accept body (60) and rim lamination (28) and have anti-rotation mechanism (70,71), they guarantee that accepting body (60) has not turnability.
6. one or multinomial described electric safety switch device in requiring according to aforesaid right, it is characterized by: spring element (64) is a torsionspring.
7. one or multinomial described electric safety switch device in requiring according to aforesaid right is characterized by: accept body (60) and have the prestressed mechanism that can change spring mechanism (64).
8. electric safety switch device according to claim 7 is characterized by: described mechanism constitutes the bearing of a spring arm end that is used to hold torsionspring.
9. one or multinomial described electric safety switch device in requiring according to aforesaid right, it is characterized by: breaking units only is to be fixed in the housing (12) by bonding.
10. according to one or multinomial described electric safety switch device of aforesaid right requirement, it is characterized by: housing (12) is made by thermoset plastics.
11. one or multinomial described electric safety switch device according in the aforesaid right requirement is characterized by: accept the axial length that body (60) is had, greater than the length that comprises shift motion of armature (62).
12. according to or multinomial described electric safety switch device in the aforesaid right requirement; it is characterized by: armature (62) is in the MA1 of its underpart and accept body (60) ground that matches each other constitute like this in its part I1 for lower part MA1 guiding, and promptly armature (62) is directed in accepting body (60) un-rotatably.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19952178.6 | 1999-10-29 | ||
| DE19952178A DE19952178A1 (en) | 1999-10-29 | 1999-10-29 | Electrical protection switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1387670A true CN1387670A (en) | 2002-12-25 |
| CN1208798C CN1208798C (en) | 2005-06-29 |
Family
ID=7927334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB008152306A Expired - Fee Related CN1208798C (en) | 1999-10-29 | 2000-09-14 | Electric safety switch device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1226599B1 (en) |
| CN (1) | CN1208798C (en) |
| AU (1) | AU7518600A (en) |
| DE (2) | DE19952178A1 (en) |
| WO (1) | WO2001033596A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101563746B (en) * | 2006-12-21 | 2012-03-07 | Abb股份公司 | Protection device for an automatic circuit breaker and automatic circuit breaker comprising this device |
| CN110459446A (en) * | 2019-08-22 | 2019-11-15 | 浙江中亿豪科技有限公司 | It is a kind of can effectively arc extinguishing more Wiring type miniature circuit breakers |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10324390A1 (en) * | 2003-05-30 | 2004-12-23 | Abb Patent Gmbh | Electrical release device for an electric switch, fits in a casing with moving and fixed contacts, a switch latch, an electromagnetic tripping device with an armature, a core, a coil and a yoke |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2531215A1 (en) * | 1975-07-12 | 1977-02-03 | Bbc Brown Boveri & Cie | Solenoid magnetic trip for protective circuit breakers - has coil former in one piece with moving and stationery cores and positively held in iron yoke |
| DE3310914A1 (en) * | 1983-03-25 | 1984-09-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | MAGNETIC RELEASE |
| ES2043090T3 (en) * | 1988-03-15 | 1993-12-16 | Abb Patent Gmbh | TRANSMISSION OF FORCE WITHIN THE ELECTROMAGNETIC DISCONNECTION SYSTEM OF A SWITCH FOR THE INSTALLATION OF FACILITIES. |
| FR2674370B1 (en) * | 1991-03-21 | 1993-10-29 | Telemecanique | PROTECTIVE SWITCHING APPARATUS ACCOUPABLE TO A CONTROL MODULE AND / OR A SIGNALING MODULE. |
| DE4312950A1 (en) * | 1993-04-21 | 1994-10-27 | Abb Patent Gmbh | Magnetic trigger for an electrical switching device |
| SE512667C2 (en) * | 1996-06-14 | 2000-04-17 | Enpece Sigma Ab | Mode and arrangement for switch arrangement |
-
1999
- 1999-10-29 DE DE19952178A patent/DE19952178A1/en not_active Withdrawn
-
2000
- 2000-09-14 EP EP00964170A patent/EP1226599B1/en not_active Expired - Lifetime
- 2000-09-14 WO PCT/EP2000/008985 patent/WO2001033596A1/en active IP Right Grant
- 2000-09-14 CN CNB008152306A patent/CN1208798C/en not_active Expired - Fee Related
- 2000-09-14 DE DE50002301T patent/DE50002301D1/en not_active Expired - Lifetime
- 2000-09-14 AU AU75186/00A patent/AU7518600A/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101563746B (en) * | 2006-12-21 | 2012-03-07 | Abb股份公司 | Protection device for an automatic circuit breaker and automatic circuit breaker comprising this device |
| CN110459446A (en) * | 2019-08-22 | 2019-11-15 | 浙江中亿豪科技有限公司 | It is a kind of can effectively arc extinguishing more Wiring type miniature circuit breakers |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1226599B1 (en) | 2003-05-21 |
| AU7518600A (en) | 2001-05-14 |
| WO2001033596A1 (en) | 2001-05-10 |
| DE19952178A1 (en) | 2001-05-03 |
| EP1226599A1 (en) | 2002-07-31 |
| DE50002301D1 (en) | 2003-06-26 |
| CN1208798C (en) | 2005-06-29 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050629 Termination date: 20140914 |
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| EXPY | Termination of patent right or utility model |