CN1954400B - Circuit-breaker and corresponding method for adjusting the same - Google Patents
Circuit-breaker and corresponding method for adjusting the same Download PDFInfo
- Publication number
- CN1954400B CN1954400B CN200580015487XA CN200580015487A CN1954400B CN 1954400 B CN1954400 B CN 1954400B CN 200580015487X A CN200580015487X A CN 200580015487XA CN 200580015487 A CN200580015487 A CN 200580015487A CN 1954400 B CN1954400 B CN 1954400B
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- CN
- China
- Prior art keywords
- trip arm
- trip
- protection switch
- switch device
- arm
- 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 - Fee Related
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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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
-
- 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
- H01H2071/7481—Means for adjusting the conditions under which the device will function to provide protection with indexing means for magnetic or thermal tripping adjustment knob
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The aim of the invention is to adjust the distance between the plunger (5) and the tripping section (34) of a tripping arm in an improved manner in a residual-current circuit-breaker. To achieve this, the angular position of a tripping lever (32) of the tripping arm (3) can be modified about a common axis in relation to a half-shaft (7), which meshes with a force accumulator (1). Said angle is preferably modified by means of a ratchet mechanism (33, 37). This permits a precise adjustment without the need for special tools.
Description
Technical field
The present invention relates to a kind of protection switch device; it has a trip gear and an operating device; the trip arm that the former has a rotatable supporting is used to disconnect a switching device, the latter then can utilize an operating element handle described the trip arm from a stop position to a dropout position.In addition, the invention still further relates to the method for this protection switch device of a kind of corresponding adjustment.
Background technology
In failure current protection switch or differential current protection switch, to adopt a so-called locking magnet (relay) for dropout under the fault current situation or disconnection.When locking magnet implement to be threaded off, the contact that accumulator that available spring mechanism after being serially connected in is realized or accumulator can make relative assembly disconnected.Realize more reliably threading off for accumulator, the push rod stroke and the push rod power of locking magnet have conclusive effect.To consider between push rod power and the push rod stroke at this and not to be linear dependence.
Accumulator is essential, because be the contact of open failure current protection switch, needs the bigger power of power that can provide than locking magnet or a corresponding locking magnet release.Therefore, by preloading spring mechanism necessary power is stored in the mechanism.In order to adopt a cheapness and little locking magnet release, must be with tripping force and dropout travel limits to minimum value.
Yet the parts that adopt in each failure current protection switch but have tolerance.Therefore, can not arbitrarily accurately determine the push rod stroke from the beginning.But to correspondingly compensate thus the tolerance (for example push rod is with respect to the position of related features of the trip arm) of each the coupling element diverse location that forms so that with the dropout stroke be tuned to the locking magnet optimum Match.
Spacing between adjusting locking magnet and the accumulator is usually by realizing by means of the position of adjustment screw or deformability sheet material adjusting locking magnet.For example DE 199 10 220A1 disclose a kind of device that is used for a magnetic release is fixed on a failure current protection switch, wherein, are provided with the hanger that stretches out in opposite direction and extend perpendicular to push rod on the shell of magnetic release.In order to be fixed with a bearing, this bearing has two walls that constant spacing arranged and be parallel to each other and extend.On these two walls dimple is arranged, release can insert and be engaged in this dimple with its hanger along the push rod direction.Described fixture has a deformable web, can realize accurate adjustment to magnetic release thus.In addition, a kind of fixture has been described in the prior art of quoting in the document, wherein, in order between push rod and release lever, to form certain leading time (Vorlaufzeit), can regulate release like this, that is, reduce spacing between the wall of a hanger and a fixed-site by screwing a screw.
In addition; a kind of failure current protection switch that has installed part has been described in DE 295 20 288; this installed part has one and is used for fixing above the portion that the reclines section on the sidewall of housing, one are positioned at and towards portion's section and an intermediate section of being used to support ratchet shaft of enclosure interior bending; this intermediate section has the fish plate towards the enclosure interior bending, and the socket of this fish plate and a fault current/differential current-overcurrent trip bearing is complementary.In such design, described each parts can be installed together with an accumulator jointly, wherein, can adopt identical parts for two types switching devices.Thus for producing also advantageous particularly in enormous quantities, because need not regulate in the back by set installing component structure.This point realizes by the design for each section of described installed part, thereby can minimal tolerance is arranged fix described fault current/differential current release with respect to ratchet shaft.
Summary of the invention
The object of the present invention is to provide a kind of protection switch device, wherein, adopt easy mode just can be implemented in adjustment between locking magnet and the release.
Above-mentioned purpose realizes that by a kind of like this protection switch device this protection switch device has a trip gear, and the trip arm that this trip gear has a rotatable supporting is used to disconnect a switching device; And has an operating device, this operating device can utilize an operating element handle described the trip arm from a stop position to a dropout position, wherein, the angle position of described the trip arm when stop position can be regulated with respect to described operating element around its rotation ground.
In addition; the present invention also provides a kind of method that is used to regulate the protection switch device with trip gear; the trip arm that this trip gear has a rotatable supporting is used to disconnect a switching device; this protection switch device also has an operating device; this operating device can utilize an operating element handle described the trip arm from a stop position to a dropout position; wherein, in the time of can regulating described the trip arm at stop position around its rotation ground with respect to the position, angle of described operating element.
Advantage according to regulative mode of the present invention is, can consider all member tolerance and location tolerance when regulating.
Trip gear in protection switch device of the present invention preferably have one that can rotate around the rotation of described the trip arm and with the semiaxis of this trip arm separate construction; the position, angle of this semiaxis pre-determines by described switching device, and described the trip arm is with respect to the adjustable angle joint of semiaxis.By this trip arm and semiaxis are separated into the design that two parts are constructed, can take off the angle that the trip arm is regulated on coupling ground with accumulator basically.
The position, angle of described the trip arm can be regulated by the geared assembly with a plurality of positions of engagement in addition.Proved already at this that particularly advantageous was that described geared assembly is arranged on described the trip arm.Can especially cosily accurately regulate the trip arm by this geared assembly.
In a same preferred expansion design, described semiaxis has a knee, and described the trip arm then is compressed against on this knee by a spring element.By passing a regulating element, can pre-determine the adjustment function relation by the curvature of this knee along this knee.Therefore, also can determine the maximal regulated scope of described the trip arm by this knee.
The advantage that is made of two halves separately described the trip arm and semiaxis is, can manufacture working of plastics with having described the trip arm of regulating possibility, even if described semiaxis is made of metal.Therefore, even if the geometry complexity also still can be made described the trip arm easily.
Description of drawings
By the accompanying drawing illustrated embodiment the present invention is described in detail below, in the accompanying drawing:
Fig. 1 illustrates the tripping mechanism according to a protection switch device of the present invention;
Fig. 2 illustrates the principle sketch that is used to regulate a trip arm;
Fig. 3 illustrates according to a semiaxis of the present invention;
Fig. 4 represents according to the trip arm of the present invention;
Fig. 5 illustrates a sheet spring;
Fig. 6 illustrates the tripping mechanism that is in the first adjustment position;
Fig. 7 illustrates the tripping mechanism that is in the second adjustment position;
Fig. 8 illustrates the tripping mechanism that is in the 3rd adjustment position;
Fig. 9 is the detailed view of tripping mechanism of the present invention.
Embodiment
The embodiment that describes in detail below only represents the preferred embodiment of the present invention.
The accumulator 1 that shown in Fig. 1 one is made up of a plurality of parts can apply power, with the switch contact disconnection of a failure current protection switch.The dropout of this accumulator 1 or release realize by a trip gear 2.The trip arm 3 of this trip gear 2 can be supported rotationally around an axis 4.Handle the trip arm 3 of this trip gear 2 by a push rod 5 of a locking magnet 6.
By installing and the described accumulator 1 of pretension in the housing of failure current protection switch, can pre-determine an angle position that also can be described as the semiaxis 7 of joggle piece.This can be used for the engagement of accumulator 1 and thread off discharging around the semiaxis 7 of axis 4 rotations.
Shown in figure 2 as shown in Figure 1 accumulator 1 have a trip gear 2 ', wherein, described the trip arm 3 ' only simply be expressed as a rectangle and signify prior art.Described the trip arm 3 ' with a semiaxis 7 ' fixedly connected.This trip arm 3 ' with semiaxis 7 ' be in the structural design of one, the tolerance of housing and described each member of accumulator causes this trip arm a 3 ' uncertain location status is arranged with respect to the position of described locking magnet 6 or its push rod 5.Thus, the trip arm 3 ' and the push rod 5 of locking magnet 6 between form a uncertain spacing X.A too small spacing may cause, and described locking magnet 6 can not be applied for to thread off based on the dropout stroke that shortens and discharge necessary power.On the contrary, an excessive spacing X sometimes then may cause, and it is too little that the trip arm drawn stem 5 promotes the back rotation, can not realize that the dropout of accumulator 1 discharges.Therefore, for the function of failure current protection switch, key is whether can be adjusted to correct spacing X.
Therefore, according to the angle position of the present invention around the described the trip arm 3 of axis 4 scalable.According to present embodiment described semiaxis 7 and the trip arm 3 are separated for this reason.By this design divided into two parts with these two parts are bearing on the axis 4 jointly, can regulate described spacing X.
According to shown in Figure 3, described semiaxis 7 is equipped with a knee 71 for this reason.The trip arm 3 and these knee 71 actings in conjunction make that the angle between semiaxis 7 and the trip arm 3 can change.For this reason, described the trip arm 3 has bearing portion section 31, one release levers 32 and is molded on this bearing portion section 31.Roughly on described bearing portion section 31, forming an engaging piece section 33 with release lever 32 with meeting at right angles.Described release lever 32 has a dropout portion section 34 in its side relative with described bearing portion section in addition.Near this dropout portion section 34, there is an adjusting rod 35 to be connected on the described release lever 32 by narrow connecting portion 36 castings.Far-end at described adjusting rod 35 has an engaged element 37, and it is on the angle position of swivel point with connecting portion 36 that the latter can be engaged on a plurality of with described engaging piece section 33.Therefore described release lever 32, adjusting rod 35 and engaging piece section 33 roughly form an isosceles triangle.Under the state that has assembled, the engaged element 37 of described the trip arm 3 is compressed against on the knee 71 of described semiaxis 7 by a slice spring 8.This sheet spring 8 is illustrated separately in Fig. 5.The assembled state of described trip gear 2 is shown specifically in Fig. 9.
Now by selecting described adjusting rod 35 on the engaging piece section 33 of the trip arm 3, to regulate the appropriate position of engagement.Changed angle [alpha] thus, that is arrived the straight line of tie point 36 and the angle of cut that engaged element 37 arrives between the straight line of tie point 36 at rotation 4.Such as already mentioned, at this, described spring 8 is pressed against engaged element 37 on the described knee 71 at contact point 38 places.Described adjusting rod 35 along described knee 71 slippages with a kind of very special profile, can be reduced or increase described spacing X.Therefore such slippage does not have at the participation parts to carry out under the situation of distortion and can reset again.
Figure 6 illustrates a kind of adjustment state, wherein, described adjusting rod 35 is placed in the position of its high order end.Based on the outline line of knee 71, when this position, the minimum spacing X of one 0.1 units is arranged between described push rod 5 and dropout portion section 34.According to Fig. 7, in the time of in the middle of adjusting rod 35 is adjusted to, the average headway X of one 0.7 unit is arranged between above-mentioned two parts.At last, according to Fig. 8, when adjusting rod 35 is adjusted to the rightmost position of engagement, the maximum spacing X of one 1.3 unit is arranged between described push rod 5 and dropout portion section 34.The lattice degree of described engaging piece section 33 can be selected carefully arbitrarily for this reason, to realize desired accurate adjusting.
Structure according to the tripping mechanism of the selected failure current protection switch of the foregoing description has following advantage: on the one hand, described the trip arm 3 can preferably manufacture plastic components, guarantees to make easy thus; On the other hand, need not to adopt special special tool(s) for adjustment process.For example can be undertaken by a screwdriver, tweezers or a metallic pin.
In addition, described scale division engagement brings such advantage, that is, and and can be by the spacing of step change between described push rod 5 and dropout portion section 34 of determining.At this, mesh by applying power all the time, prevented a misadjustment of not expected, for example misadjustment because of shaking or being heated and causing.
At last, in above-mentioned selected structure, also produced such advantage, that is, can adopt described each member again, and lay again, can reduce the wearing and tearing between ratchet and semiaxis by damping ground by repairing.
Claims (9)
1. protection switch device, it has
-one trip gear (2), the trip arm (3) that it has a rotatable supporting is used to disconnect a switching device,
-one operating device (6), it can utilize an operating element (5) handle described the trip arm (3) from a stop position to a dropout position, it is characterized in that,
The angle position of-described the trip arm (3) when stop position can be regulated with respect to described operating element (5) around the rotation of described the trip arm (4).
2. protection switch device as claimed in claim 1; wherein; described trip gear (2) have one that can rotate around the rotation (4) of described the trip arm (3) and with the semiaxis (7) of this trip arm separate construction; the position, angle of this semiaxis pre-determines by described switching device, and described the trip arm (3) is with respect to the adjustable angle joint of semiaxis (7).
3. protection switch device as claimed in claim 1 or 2, wherein, the position, angle of described the trip arm (3) can be regulated by the geared assembly (33/37) with a plurality of positions of engagement.
4. protection switch device as claimed in claim 3, wherein, described geared assembly (33/37) is arranged on described the trip arm (3).
5. protection switch device as claimed in claim 3, wherein, described semiaxis (7) has a knee (71), and described the trip arm (3) then is compressed against on the described knee (71) by a spring element (8).
6. protection switch device as claimed in claim 5; wherein; described the trip arm (3) is compressed against on the described knee (71) by an engaged element (37) of described geared assembly (33/37), and the maximal regulated scope of described the trip arm (3) is determined by the curvature of described knee (71).
7. as each described protection switch device in the claim 1,2,5,6, wherein, described the trip arm (3) is made of plastics.
8. one kind is used for the method that adjusting has the protection switch device of trip gear (2); the trip arm (3) that this trip gear (2) has a rotatable supporting is used to disconnect a switching device; this protection switch device also has an operating device (6); this operating device can utilize an operating element (5) handle described the trip arm (3) from a stop position to a dropout position; it is characterized in that, can be when the rotation of described the trip arm be regulated described the trip arm (3) at stop position (4) with respect to the position, angle of described operating element (5).
9. method as claimed in claim 8 wherein, is regulated described the trip arm (3) by geared assembly (33/37) being engaged in the position of engagement in a plurality of positions of engagement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200410024101 DE102004024101B4 (en) | 2004-05-14 | 2004-05-14 | Safety switching device and corresponding method for its adjustment |
| DE102004024101.5 | 2004-05-14 | ||
| PCT/EP2005/052175 WO2005112064A1 (en) | 2004-05-14 | 2005-05-12 | Circuit-breaker and corresponding method for adjusting the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1954400A CN1954400A (en) | 2007-04-25 |
| CN1954400B true CN1954400B (en) | 2010-05-26 |
Family
ID=34969795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200580015487XA Expired - Fee Related CN1954400B (en) | 2004-05-14 | 2005-05-12 | Circuit-breaker and corresponding method for adjusting the same |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1745496B1 (en) |
| CN (1) | CN1954400B (en) |
| BR (1) | BRPI0511123A (en) |
| DE (2) | DE102004024101B4 (en) |
| RU (1) | RU2366027C2 (en) |
| WO (1) | WO2005112064A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494143B (en) * | 2008-01-23 | 2011-09-07 | 浙江正泰电器股份有限公司 | Switch electric appliance with control and protection function |
| DE102011087651A1 (en) * | 2011-12-02 | 2013-06-06 | Siemens Aktiengesellschaft | Switchgear tripping device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2594107A (en) * | 1948-03-16 | 1952-04-22 | Ite Circuit Breaker Ltd | Quiet overload circuit breaker |
| US3777293A (en) * | 1972-10-30 | 1973-12-04 | Tokyo Shibaura Electric Co | No-fuse circuit breaker |
| CN1482644A (en) * | 2002-06-13 | 2004-03-17 | 伊顿公司 | Adjustable thermal trip assembly for a circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4339425B4 (en) * | 1993-11-18 | 2005-11-10 | Heinrich Kopp Ag | Switch lock for a residual current circuit breaker |
| DE29520288U1 (en) * | 1995-12-21 | 1996-02-08 | Kopp Heinrich Ag | Residual current circuit breaker with mounting part |
| DE19802921A1 (en) * | 1998-01-21 | 1999-07-22 | Siemens Ag | Low voltage (LV) power switch with auxiliary release, such as cut-in magnet |
| DE19910220A1 (en) * | 1999-03-09 | 2000-09-14 | Abb Patent Gmbh | Device for fixing a magnetic release in a residual current circuit breaker |
-
2004
- 2004-05-14 DE DE200410024101 patent/DE102004024101B4/en not_active Expired - Fee Related
-
2005
- 2005-05-12 WO PCT/EP2005/052175 patent/WO2005112064A1/en active IP Right Grant
- 2005-05-12 DE DE502005001902T patent/DE502005001902D1/en active Active
- 2005-05-12 CN CN200580015487XA patent/CN1954400B/en not_active Expired - Fee Related
- 2005-05-12 BR BRPI0511123-4A patent/BRPI0511123A/en not_active IP Right Cessation
- 2005-05-12 RU RU2006144444/09A patent/RU2366027C2/en not_active IP Right Cessation
- 2005-05-12 EP EP05752706A patent/EP1745496B1/en not_active Not-in-force
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2594107A (en) * | 1948-03-16 | 1952-04-22 | Ite Circuit Breaker Ltd | Quiet overload circuit breaker |
| US3777293A (en) * | 1972-10-30 | 1973-12-04 | Tokyo Shibaura Electric Co | No-fuse circuit breaker |
| CN1482644A (en) * | 2002-06-13 | 2004-03-17 | 伊顿公司 | Adjustable thermal trip assembly for a circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1745496A1 (en) | 2007-01-24 |
| WO2005112064A1 (en) | 2005-11-24 |
| RU2366027C2 (en) | 2009-08-27 |
| CN1954400A (en) | 2007-04-25 |
| BRPI0511123A (en) | 2007-11-27 |
| DE102004024101B4 (en) | 2006-08-17 |
| RU2006144444A (en) | 2008-06-20 |
| DE102004024101A1 (en) | 2005-12-08 |
| DE502005001902D1 (en) | 2007-12-20 |
| EP1745496B1 (en) | 2007-11-07 |
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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 | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120512 |