CN101872702A - Electromagnetism delivery system and the installation switchgear that has the electromagnetism delivery system - Google Patents
Electromagnetism delivery system and the installation switchgear that has the electromagnetism delivery system Download PDFInfo
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- CN101872702A CN101872702A CN201010196122A CN201010196122A CN101872702A CN 101872702 A CN101872702 A CN 101872702A CN 201010196122 A CN201010196122 A CN 201010196122A CN 201010196122 A CN201010196122 A CN 201010196122A CN 101872702 A CN101872702 A CN 101872702A
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- 238000009434 installation Methods 0.000 title claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 51
- 238000010168 coupling process Methods 0.000 claims abstract description 51
- 238000005859 coupling reaction Methods 0.000 claims abstract description 51
- 230000000284 resting effect Effects 0.000 claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims description 15
- 238000005728 strengthening Methods 0.000 abstract description 2
- 230000000452 restraining effect Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008485 antagonism Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
- H01H2071/328—Electromagnetic mechanisms having permanently magnetised part using a spring for having minimal force on armature while maximal force on trip pin
Abstract
The present invention relates to electromagnetism delivery system and the installation switchgear that has the electromagnetism delivery system.The electromagnetism delivery system is used for line protection switch; the magnet system that has striker; can around be fixed on the shell the supported rotatably contact lever of axle and can be around the swingingly supported control lever of swinging axle; control lever has first coupling position; restricted spring is applied to it with its first end; the resilience force of restricted spring loads control lever towards its resting position; control lever can resist restricted spring under the effect of striker resilience force swings in its off-position from its resting position; have male part between contact lever and control lever, it changes the oscillating motion of control lever in the oscillating motion of contact lever over to.The promising fixedly additional springs of control lever and second coupling position established are at the resilience force of strengthening restricted spring under the situation about being fixed on second coupling position by additional springs in the control lever resting position.The invention still further relates to the installation switchgear that has this electromagnetism delivery system.
Description
Technical field
The present invention relates to as described in the preamble according to claim 1; the electromagnetism delivery system that line protection switch is used; comprise the magnet system of being with striker; can around be fixed on the shell the supported rotatably contact lever of axle and can be around the swingingly supported control lever of swinging axle; control lever has first coupling position; restricted spring acts on first coupling position with its first end; wherein the resilience force of restricted spring loads control lever towards its resting position; and wherein the control lever resilience force that can resist restricted spring under the effect of striker swings in its off-position from its resting position; wherein have male part between contact lever and the control lever, it is transferred to the oscillating motion of control lever in the oscillating motion of contact lever.
In addition; the invention still further relates to installation switchgear as described in the preamble according to claim 7; particularly line protection switch or main line protection switch; have the contact position that between fixed contact and movable contact, forms; comprise the electromagnetism delivery system; described electromagnetism delivery system has the magnet system that has striker; can be around the contact lever that is fixed on the supported rotatably carrying movable contact of axle on the shell and can be around the swingingly supported control lever of swinging axle; control lever has first coupling position; restricted spring is applied to it with its first end; wherein the resilience force of this restricted spring loads control lever towards its resting position; and wherein this control lever resilience force of can be under the effect of this striker resisting this restricted spring from its resting position swings to its off-position; wherein between contact lever and control lever, there is male part; it is transferred to contact lever in the oscillating motion of its open position with the oscillating motion of control lever; in open position, fixed and movable contact separates.
Background technology
A kind of in this way optionally main line of such installation switchgear protection switch.Such main line protection switch is mainly used in the instrument space
The lower end subarea of indoor installation for example.They with the acting in conjunction of the line protection switch of each current circuit of being furnished with power consumption equipment that is connected on the back under the protection electrical installation device avoid dangerous overcurrent and short circuit current effect; method is that they optionally and automatically block the current circuit that is connected on the back when overcurrent or short circuit current occurring.
Shutoff during for short circuit, such installation switchgear has the electromagnetism release.Wherein utilize the electric current that flows through electromagnet in several milliseconds, to turn-off.For example, learn such electromagnetism release from DE 10 2,008 021 768.It comprises that magnet core and one have the magnetic loop that moving armature also claims to keep off armature, also has a coil device that comprises coil pipe, this coil device has the core yoke plate that the magnet core is fixed thereon, and the yoke sidepiece that has the yoke anchor plate and core yoke plate and yoke anchor plate are coupled together.Its with core yoke plate and yoke anchor plate be formed for having armature coil device shell and form the magnetic current path.Striker is in the through hole of magnet core.On the core yoke plate, support a control lever swingably.Restricted spring acts on the control lever and acts on the contact lever of contact position.Wherein, the reset force of this restricted spring loads the direction of control lever to its resting position, and the direction of contact lever to its off-position loaded, and in this off-position, fixed and movable contact contacts with each other and makes main contact position closure with this.Here restricted spring produces contact pressure and simultaneously at the restraining force of control lever.
When short circuit current occurring, retaining armature very rapidly moves on the magnet core and to striker generation effect, anchor plate hits control lever thereby striker passes yoke.It makes the reset force of control lever antagonism restricted spring move from the direction of its resting position to its off-position.Male part between control lever and the contact lever makes control lever during this period contact lever be swung to its open position.On the open position of contact lever, main contact position is opened the time of such length, till the tripping mechanism shutoff of line protection switch by it.
The power of armature impact striker and striker impact control lever depends on the intensity of short circuit current.The so-called release characteristics of line protection switch provides, and what times rated current short circuit rapidly could take place discharge, so it provides the response lag of line protection switch.For example; optionally line protection switch is made by so-called electrical characteristics (E-Charakteristik); for these electrical characteristics, the short circuit current release can discharge when 5-6.25 times of interchange rated current, but is exchanging must discharging more than 6.25 times of rated current.
When electric current was lower than the determined release threshold value of this characteristic (be rated current 5 times), the electromagnetism release should not discharge.Therefore, constraint mechanism, the mechanical system that comprises control lever and restricted spring designs like this, makes armature power just be enough to make control lever to be flapped toward its off-position from the short circuit current corresponding with the response lower limit of corresponding release characteristics, and this armature power for example can be called threshold force.Wherein the lever ratio of especially coordinating with the rigidity of restricted spring is selected like this, makes to surpass after this threshold force, and the further variation of power is low as far as possible and evenly during the contact lever swing.
For determine for example for the applicable cases in the industrial scale, also need to have the device of the higher release characteristics that postpones in short-term, therefore have higher response lag.In order to realize this point, must reset and make constraint mechanism fully, but it be too high to do cost like this from known devices so far.
Summary of the invention
Therefore, wish that create a kind of electromagnetism delivery system at the release threshold design, this battery delivery system can be retrofited for using in simple mode under at least one other release threshold value from the known solution of prior art.In addition, task of the present invention also is, creates a kind of improved installation switchgear, and it discharges threshold design at one, promptly can be used for another release threshold value at least but change a little.
The electromagnetism delivery system of the feature of the task of creating a kind of improved electromagnetism delivery system by having claim 1 solves.Aspect installation switchgear, this task solves by the installation switchgear according to claim 7.The expansion of above-mentioned object realizes in the dependent claims.
Therefore, according to the present invention, control lever has second coupling position of establishing for fixing additional springs, wherein under situation about being fixed on second coupling position, strengthens the resilience force of restricted spring by this additional springs in the resting position of control lever.
According to the invention has the advantages that, changed the existing magnetic delivery system of such installation switchgear in this wise, making can be for existing between control lever and the contact lever and also be simultaneously the restricted spring of the contact force spring additional restricted spring of packing into, and this restricted spring acts on the control lever after packing into by way of parenthesis.Increase control lever to the restraining force of armature and do not change effect with this to the power of contact lever.Only increase the response current of electromagnetism delivery system, and movable contact position when opening the variation of power still constant.
According to an advantageous embodiments, this magnet system has the 3rd coupling position, and wherein this additional springs is fixed on the second and the 3rd coupling position.Can be fixed on another spring terminal of additional springs on the core yoke plate by fixing angle-shaped piece for this reason.Therefore, existing core yoke plate not only can use at the known characteristic that does not have additional springs, but also can utilize the additional springs of packing into to use at the characteristic of the release threshold value with raising.
According to another advantageous embodiments, this restricted spring acts on the contact lever with its second end.
According to another advantageous embodiments, in the resting position of control lever, the line of action of force that this additional springs is applied on the control lever is in the same side with reference to swinging axle and this restricted spring line of action of force that resets, and control lever is when its resting position produces, and line of action of force and this swinging axle that this additional springs is applied on the control lever intersect.In a word, this additional springs is arranged like this, makes that the spring action line promptly moves on on the rotating shaft of control lever by the rotation of control lever after the magnet system response, thereby power act as zero when the contact opening movement.
According to another advantageous embodiments, this magnet system comprises the shell that has cover plate, and this cover plate carrying fixed support, the 3rd coupling position is on the support bracket fastened free end.This cover plate is for example corresponding to the core yoke plate of known electromagnetism delivery system.This fixed support can be taked fixedly, and the form of angle-shaped piece is welded on this core yoke plate.Therefore, existing core yoke plate not only can use at original electrical characteristics, and can use by the characteristic of the release threshold value with raising, at this moment welds the fixedly angle-shaped piece that additional springs is used.
According to another advantageous embodiments, spring keeper and the axle coupling that is fixed on the shell, wherein the 3rd coupling position is on this spring keeper.The basic device that does not contain additional springs among this embodiment can also add change area additional springs hardly to be used.In order to reequip with additional springs, need only be fixed on spring keeper of axle coupling on the shell with this, wherein this spring keeper forms the 3rd coupling position that additional springs is used.
According to another favourable improvement project of the foregoing description, this spring keeper has keeping arm and support arm, and wherein the 3rd coupling position is on this keeping arm.
According to another favourable improvement project, this keeping arm has recess, is used for admitting the axle that is fixed on the shell.
According to another favourable improvement project, this support arm and block coupling are to prevent the rotation on the axle that is fixed on the shell of spring keeper.
According to another favourable improvement project, this magnet system comprises the shell that has cover plate, and this block is fixed on this cover plate.
According to another advantageous embodiments, this contact lever comprises contact arm and the control arm that carries movable contact, utilize described control arm to be formed up to the male part of described control lever, described male part is fixed in the both sides of the rotating shaft that aligns with the described axle that is fixed on the shell, and on contact lever, fixed tie bracket, second end of restricted spring acts on its free end.
In according to installation switchgear of the present invention, this control lever has second coupling position of establishing for fixing additional springs, wherein under the situation about being fixed on second coupling position by strengthening the resilience force of this restricted spring in the resting position of this additional springs at control lever.
According to advantageous embodiments of the present invention, in the resting position of control lever, the line of action of force that this additional springs is applied on the control lever is in the same side with reference to the line of action of force that resets of swinging axle and this restricted spring, and control lever is when resting position produces, and line of action of force and this swinging axle that this additional springs is applied on the control lever intersect.
Description of drawings
Accompanying drawing and its explanation are used for understanding better object.Substantially the same or the similar object or the part of object can indicate with identical Reference numeral.These accompanying drawings are just schematically represented embodiments of the invention.
In the accompanying drawing:
Fig. 1 is an embodiment according to electromagnetism delivery system of the present invention;
Fig. 2 is the detail drawing according to the cover plate of the magnet system of Fig. 1 embodiment, has control lever and additional springs;
Fig. 3 schematically represent to have the electromagnetism delivery system according to installation switchgear of the present invention; And
Fig. 4 is another embodiment according to electromagnetism delivery system of the present invention.
Embodiment
At first, observe Fig. 3 in conjunction with Fig. 1.Fig. 3 represents installation switchgear 30 with the sectional view of signal, has insulating material housing 31.The installation switchgear 30 here for example is used as optionally main line protection switch.Form a primary current path between inlet wire binding post 32 and outlet binding post 33, it can interrupt on contact position 34.Contact position 34 forms between fixed contact 35 and movable contact 36, and this fixed contact 35 is connected with 33 conductings of outlet binding post.Movable contact 36 is on the free end of contact arm 20.Contact arm 20 and control arm 21 common double-arm lever, the contact levers 5 formed.On the link position between contact arm 20 and the control arm 21, contact lever 5 can be swingingly supported around axle, this be fixed on shell on and the rotating shaft 4 that is bearing in the shell align.
The outer casing member of the shell 17 of magnet system 2 is that side part, base plate (use employed term among DE 10 2,008 021 768 A1, also claim the yoke anchor plate) and cover plate (also claiming the core yoke plate) are made with metal at least in part.Current path flows to outlet binding post 33 from inlet wire binding post 32s by ribbon conductor 38, magnet coil 46, another ribbon lead, contact lever 5 and contact position 34.
This magnet system 2 is fixed on the inside of crust of the device 31.
On the cover plate 18 of a side, maintenance support 39 has been installed at magnet system 2 away from contact lever 5.At its free end upper support swinging axle 6, control lever 7 can be swingingly supported around it.
The same with double-arm lever basically release arm 40 and the restraining arm 41 constructed of control lever 7 is to have a slightly blunt angle that is slightly larger than 90 ° between release arm 40 and the restraining arm 41 at these two part arms wherein.Control lever 7 is in its resting position in Fig. 1, and release arm 40 is roughly parallel with cover plate 18.During overlapping and overlay region, the free end portion ground of the free end of control arm 21 and release arm 40 is leaned on each other mutually.With this, between control lever 7 and contact lever 5, form male part.When control lever 7 begins clockwise direction when rotating from Fig. 3 or resting position shown in Figure 1, because this male part, contact lever 5 counterclockwise rotates, and opens contact position 34 with this.
On Fig. 1 or 3 shown positions, these restricted spring 9 clockwise direction tractive contact levers, and tractive control lever 7 counterclockwise.Such effect takes place with this in restricted spring 9, promptly produces the contact pressure of the value that requires on the contact position 34 between the fixed and movable contact 35,36.
Between axle 4 and maintenance support 39, a fixed support 19 is being installed also on the cover plate 18.The 3rd coupling position 13 that a hook form is arranged on its free end.On the restraining arm 41 of control lever 7, second coupling position 11 of a hook form is arranged equally near first coupling position 8.Can add an additional springs between this second and the 3rd coupling position 11,13.In the example of Fig. 1 and 3, added such additional springs 12, be a cylindrical spring equally, have lifting lug in its end, take this additional springs 12 is hung in the hook of the second and the 3rd coupling position.When hanging up additional springs 12, it produces an anticlockwise restraining force by way of parenthesis to control lever 7.
This magnet system 2 also comprises a striker 45 that is driven by retaining armature 3, and it is outstanding from cover plate 18 slightly on Fig. 3 here.When enough strong short circuit current occurring, striker 45 obtains the free end of driving upwards and bump release arm 40 from cover plate 18 with coming out, and makes the reset force of control lever antagonism restricted spring 9 and additional springs 12 (as long as loading onto) swing in its off-position from its resting position along clockwise direction thus.Wherein, this retaining armature acts on the striker 45, and striker works as coupling mechanism between retaining armature and the control lever again, and is pressed in or impinges upon on the free end of release arm 40.This striker is in the through hole of magnet core.
Other parts of installation switchgear and parts for example thermal release, electric arc cancellation element, switching mechanism or in addition auxiliary contact position are all not shown in the schematic diagram of Fig. 3.They are consistent with known elements in the prior art.
Fig. 1 represents the embodiment according to the concrete manufacturing of electromagnetism delivery system 1 of the present invention, with Fig. 3 schematically show the same.Identical Reference numeral indicates identical part, part or parts.
The detail drawing according to the cover plate 18 of electromagnetism delivery system of the present invention of Fig. 2 presentation graphs 1.Identical Reference numeral indicates identical part, part or parts.Can see recess 44, striker is kept off armature 3 effect (see figure 3)s and can be passed on the release arm 40 that this recess impinges upon control lever 7.The restraining arm 41 of control lever 7 is made the form of plate and transverse to the longitudinal extension direction of the release arm 40 of doing the band shape of growing up that is mounted thereon.It is freely indulged at it has roughly rectangular depression on rib, two hooks by punching out and crooked molded first and second coupling positions 8,11 on the sidewall of this depression.Narrow side at restraining arm 41 has ear shape projection, the cropped ear 42 that extends along the direction that is parallel to release arm 40, forms lifting lug 43 to be used for admitting swinging axle 6 on its free end.As shown in Figure 1, keep support 39 to have such ear that angles equally, this lifting lug has the axle journal as the extrusion of bearing position, thereby control lever 7 can swingingly obtain connecting.
On cover plate 18, welding near the recess 44 to support that angle steel (Haltewinkels) is the fixed support 19 of form.It has a hook on its free end, this hook is formed for the 3rd coupling position of additional springs 12.
The installation of the ear shape projection 42 that the admittance swinging axle is used is relevant with Machine Design described above.The position of this ear shape projection will guarantee that the line of action of force that additional springs 12 is applied on the control lever (7) is leaving the rotating shaft that just moves into swinging axle 6 under the along clockwise direction very little swing of resting position and therefore no longer applying effective resilience force to control lever when control lever further rotates.On the contrary, this additional springs even support overcoming to bring additional revolving force and also control lever 7 is changed over to its off-position along clockwise direction after being in the dead point that forms on the swinging axle 6 owing to additional springs 12 lines of action of force with this.Since the cause of this structure, 12 first antagonisms constantly that begin along clockwise direction to rotate at control piece of this additional springs.Therefore, 12 restraining forces that when dispose procedure begins, improve control lever 12 of additional springs, when the contact position opening procedure further carried out, it no longer influenced the contact opening force
When not hanging additional springs 12, the release characteristics of electromagnetism delivery system is only given in advance by this restricted spring 9, for example electrical characteristics.Just can make simply that by hanging additional springs 12 these electrical characteristics become the release characteristics with higher response lag.Need not change the electromagnetism delivery system in addition, also further not change the characteristic of electromagnetism delivery system in addition.Fixed support 19 can weld on the cover board basically, and perhaps at this moment keep on the device of electrical characteristics need not having.But this fixed support also can only be welded on expectation and will use on the cover plate of electromagnetism delivery system of additional springs 12.In a word, can be flexible and changeable under minimized change is intervened according to the configuration of electromagnetism delivery system of the present invention.
Now will observe Fig. 4.Its expression is according to another embodiment of electromagnetism delivery system of the present invention.Identical or effect components identical, parts or system have and the identical numeral of above-mentioned each accompanying drawing.Figure 4 illustrates delivery system and get cover plate 18, have contact lever 5 and the axle 4 and the control lever 7 that are fixed on the shell.For the purpose of clear, swinging axle that restricted spring, control lever are used and maintenance support are all not shown in this Fig. 4.
Difference according to the embodiment of Fig. 4 and the embodiment in Fig. 1 and 2 and 3 is that the 3rd coupling position 13 is on the spring keeper.Spring keeper 47 has the keeping arm 48 of rectangular slab form, is molded into a vertical therewith support arm 49 that stands in one side on its narrow side.On the narrow side above being positioned at of keeping arm 48, the end of additional springs 12 hooks in this groove the 3rd coupling position 13 with the formal construction of ear connected in star.Keeping arm 48 has central recess 50, is a hole here, utilizes this hole that this keeping arm is passed on the end that is fixed on the axle 4 on the shell.Therefore can will there be the basic device of additional springs 12 to repack the delivery system that has additional springs very simply into.Need only push spring keeper 47 on the axle that is fixed on the shell and hang up additional springs for this reason and get final product.
This additional springs applies moment of torsion to this spring keeper 47, and it will rotate on the axle 4 that is fixed on the shell as if no countermeasure, and the line of force of additional springs is just no longer definite, but decides on the position of rotation of spring keeper, and this is undesirable.Therefore, the keeping arm 48 of spring keeper 47 has in the side perpendicular to the support arm 49 axle 4, that point to cover plate 18 that is fixed on the shell.Its size is definite like this, makes it work as this additional springs 12 and reaches during loading spring keeper 47 along clockwise direction and withstand block 51 on the upper side that is fixed on cover plate 18.By the coupling of support arm 49, when loading, prevented the rotation of spring keeper 47 by additional springs with block 51.
Spring keeper 47 preferably can be made sheet metal bending part, and its mesopore 50 and support arm 49 form jointly in one procedure.Block 51 can be gone out or extrude from cover plate 18 when make cover plate 18, perhaps then as fritter paste, welding, with screw tightening on this cover plate, or fix by other known in principle modes.Yet this scheme preferably block 51 is extruded by cover plate 18, so just makes the part of cover plate 18.
List of numerals
1 electromagnetic releasing system
2 magnet systems
3 gear armature
4 contact levers are used is fixed on axle on the shell
5 contact levers
The swinging axle of 6 control levers
7 control levers
8 first coupling positions
9 restricted springs
First end of 10 restricted springs
Second coupling position of 11 additional springs
12 additional springs
The 3rd coupling position of 13 additional springs
Second end of 14 restricted springs
17 yoke shells
18 yoke cover plates
The fixed support of 19 yokes
The contact arm of 20 contact levers
The control arm of 21 contact levers
The tie bracket of 22 contact levers
30 installation switchgears
31 insulating material housings
32 inlet wire binding posts
33 outlet binding posts
34 main contact positions
35 fixed contacts
36 movable contacts
38 ribbon conductors
The maintenance support of 39 yokes
The release arm of 40 control levers
The restraining arm of 41 control levers
42 control levers angle ear
The lifting lug of 43 control levers
Recess in the 44 yoke cover plates
45 strikers
46 magnet coils
47 spring keepers
48 keeping arms
49 support arms
50 recesses
51 blocks
Claims (13)
1. the electromagnetism delivery system (1) used of line protection switch; the magnet system that comprises band striker (45); can around be fixed on the shell the supported rotatably contact lever (5) of axle (4) and can be around the swingingly supported control lever (7) of swinging axle (6); described control lever has first coupling position (8); restricted spring (9) acts on described first coupling position with its first end (10); the resilience force of wherein said restricted spring loads described control lever (7) towards its resting position; and wherein said control lever (7) can resist described restricted spring (9) under the effect of described striker (45) resilience force swings in its off-position from its resting position; wherein between described contact lever (5) and described control lever (7), there is male part; described male part is transferred to the oscillating motion of described control lever (7) in the oscillating motion of described contact lever (5)
It is characterized in that, described control lever (7) has second coupling position of establishing for fixing additional springs (12) (11), wherein strengthens the resilience force of described restricted spring (9) under situation about being fixed on described second coupling position (11) in the resting position of described control lever (7) by described additional springs (12).
2. according to the electromagnetism delivery system (1) of claim 1, it is characterized in that described magnet system (2) has the 3rd coupling position (13), wherein said additional springs (12) is fixed on the described second and the 3rd coupling position (11,13).
3. according to the electromagnetism delivery system (1) of claim 1, it is characterized in that described restricted spring (9) acts on the described contact lever (5) with its second end (14).
4. according to the electromagnetism delivery system (1) of claim 2, it is characterized in that, in the resting position of described control lever (7), the line of action of force that described additional springs (12) is applied on the described control lever (7) is in the same side with reference to the described swinging axle (6) and the line of action of force that resets of described restricted spring (9), and, when resting position produced, line of action of force and described swinging axle (6) that described additional springs (12) is applied on the described control lever (7) intersected at described control lever (7).
5. according to the electromagnetism delivery system (1) of claim 2, it is characterized in that, described magnet system (2) comprises the shell (17) that has cover plate (18), and described cover plate (18) carrying fixed support (19), and described the 3rd coupling position (13) is on the described support bracket fastened free end.
6. the electromagnetism delivery system (1) according to claim 2 is characterized in that, spring keeper (47) and described axle (4) coupling that is fixed on the shell, and wherein said the 3rd coupling position (13) is on the described spring keeper (47).
7. according to the electromagnetism delivery system (1) of claim 6, it is characterized in that described spring keeper (47) has keeping arm (48) and support arm (49), wherein said the 3rd coupling position (13) is on the described keeping arm (48).
8. according to the electromagnetism delivery system (1) of claim 7, it is characterized in that described keeping arm (48) has recess (50) to be used to admit the described axle (4) that is fixed on the shell.
9. according to the electromagnetism delivery system (1) of claim 7, it is characterized in that described support arm and block (51) coupling is gone up rotation so that prevent described spring keeper (47) at the described axle (4) that is fixed on the shell.
10. the electromagnetism delivery system (1) according to claim 9 is characterized in that, described magnet system (2) comprises the shell (17) that has cover plate (18), and described block (51) is configured to the part of described cover plate (18) or is fixed on the described cover plate (18).
11. electromagnetism delivery system (1) according to claim 3, it is characterized in that, described contact lever (5) comprises the contact arm (20) and the control arm (21) of carrying movable contact (36), utilize described control arm to be formed up to the male part of described control lever (7), described male part is fixed in the both sides of the rotating shaft that aligns with the described axle (4) that is fixed on the shell, and on described contact lever (5), fixed tie bracket (22), second end (14) of described restricted spring (9) acts on the free end of described tie bracket.
12. installation switchgear; line protection switch particularly; has the contact position that between fixed contact (35) and movable contact (36), forms; comprise the electromagnetism delivery system; described electromagnetism delivery system has the magnet system (2) of band striker (45); can be around the contact lever (5) that is fixed on the supported rotatably carrying movable contact (16) of axle (4) on the shell and can be around the swingingly supported control lever (7) of swinging axle (6); described control lever has first coupling position (8); restricted spring (9) acts on described first coupling position with its first end (10); the resilience force of wherein said restricted spring loads control lever (7) towards its resting position; and wherein said control lever (7) can resist described restricted spring (9) from its resting position under the effect of retaining armature resilience force swings to its off-position; wherein between described contact lever (5) and described control lever (7), there is male part; described male part is transferred to described contact lever (5) in the oscillating motion of its open position with the oscillating motion of described control lever (7); in described open position; described fixed and movable contact (35; 36) separate
It is characterized in that, described control lever (7) has second coupling position of establishing for fixing additional springs (12) (11), wherein strengthens the resilience force of described restricted spring (9) under situation about being fixed on described second coupling position (13) in the resting position of described control lever (7) by described additional springs (12).
13. installation switchgear according to claim 7, it is characterized in that, in the resting position of described control lever (7), the line of action of force that described additional springs (12) is applied on the described control lever (7) is in the same side with reference to the described swinging axle (6) and the line of action of force that resets of described restricted spring (9), and, when resting position produced, line of action of force and described swinging axle (6) that described additional springs (12) is applied on the described control lever (7) intersected at described control lever (7).
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009018357 | 2009-04-23 | ||
| DE102009018357.4 | 2009-04-23 | ||
| DE102009034335 | 2009-07-23 | ||
| DE102009034335.0 | 2009-07-23 | ||
| DE102009048798.0 | 2009-10-08 | ||
| DE102009048798 | 2009-10-08 | ||
| DE102010004641.8A DE102010004641B4 (en) | 2009-04-23 | 2010-01-13 | Electromagnetic release system and installation switching device with an electromagnetic release system |
| DE102010004641.8 | 2010-01-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101872702A true CN101872702A (en) | 2010-10-27 |
| CN101872702B CN101872702B (en) | 2014-09-17 |
Family
ID=42269853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010196122.4A Active CN101872702B (en) | 2009-04-23 | 2010-03-19 | Electromagnetic release system and switch mounting device with same |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2244276A3 (en) |
| CN (1) | CN101872702B (en) |
| DE (1) | DE102010004641B4 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9406470B2 (en) * | 2014-02-18 | 2016-08-02 | General Electric Company | Tri-stable flexure mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9408669U1 (en) * | 1994-05-26 | 1994-07-14 | Siemens Ag | Holding magnet release for protective switching devices, especially for residual current circuit breakers |
| CN1929068A (en) * | 2005-08-31 | 2007-03-14 | Abb专利有限公司 | Electrical switching device |
| CN1967763A (en) * | 2005-10-26 | 2007-05-23 | Abb专利有限公司 | Electrical switching device |
| WO2008017612A1 (en) * | 2006-08-09 | 2008-02-14 | Siemens Aktiengesellschaft | Switching unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE511452C (en) * | 1928-06-21 | 1930-11-01 | Siemens Schuckertwerke Akt Ges | Automatic switch for direct current |
| DE3021867A1 (en) * | 1980-06-11 | 1981-12-17 | Brown, Boveri & Cie Ag, 6800 Mannheim | SELF-SWITCH |
| CH672036A5 (en) * | 1986-12-23 | 1989-10-13 | Sprecher & Schuh Ag | |
| DE102008021768B4 (en) * | 2007-04-30 | 2023-11-16 | Abb Ag | Electromagnetic release, method for producing an electromagnetic release and circuit breaker with an electromagnetic release |
-
2010
- 2010-01-13 DE DE102010004641.8A patent/DE102010004641B4/en active Active
- 2010-03-04 EP EP10002205A patent/EP2244276A3/en not_active Withdrawn
- 2010-03-19 CN CN201010196122.4A patent/CN101872702B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9408669U1 (en) * | 1994-05-26 | 1994-07-14 | Siemens Ag | Holding magnet release for protective switching devices, especially for residual current circuit breakers |
| CN1929068A (en) * | 2005-08-31 | 2007-03-14 | Abb专利有限公司 | Electrical switching device |
| CN1967763A (en) * | 2005-10-26 | 2007-05-23 | Abb专利有限公司 | Electrical switching device |
| WO2008017612A1 (en) * | 2006-08-09 | 2008-02-14 | Siemens Aktiengesellschaft | Switching unit |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2244276A3 (en) | 2013-02-20 |
| DE102010004641A1 (en) | 2010-11-11 |
| EP2244276A2 (en) | 2010-10-27 |
| DE102010004641B4 (en) | 2021-02-18 |
| CN101872702B (en) | 2014-09-17 |
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