CN101872702B - Electromagnetic release system and switch mounting device with same - Google Patents
Electromagnetic release system and switch mounting device with same Download PDFInfo
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- CN101872702B CN101872702B CN201010196122.4A CN201010196122A CN101872702B CN 101872702 B CN101872702 B CN 101872702B CN 201010196122 A CN201010196122 A CN 201010196122A CN 101872702 B CN101872702 B CN 101872702B
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- 230000008878 coupling Effects 0.000 claims abstract description 54
- 238000010168 coupling process Methods 0.000 claims abstract description 54
- 238000005859 coupling reaction Methods 0.000 claims abstract description 54
- 230000009471 action Effects 0.000 claims abstract description 16
- 230000000284 resting effect Effects 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 8
- 238000010304 firing Methods 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 description 11
- 230000000452 restraining effect Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 7
- 230000004044 response Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 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
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 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
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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 invention relates to an electromagnetic release system and a switch mounting device with the same. The electromagnetic release system is used for a circuit protection switch and provided with a magnet system with a firing pin, a contact rod capable of being rotationally supported around a shaft fixed on a shell and a control rod capable of being supported around a swing shaft in a swing mode, wherein the control rod is provided with a first coupling position, the first end of a constraint spring is acted on the control rod, a resilience force of the constraint spring is loaded towards a still position of the control rod, the control rod can swing to a release position thereof from the still position for the resilience force of the constraint spring under the action of the firing pin, and a coupling element between the contact rod and the control rod can transfer the swing motion of the control rod into the swing motion of the contact rod. The control rod is provided with a second coupling position for fixing an additional spring, and the resilience force of the constraint spring is enhanced through the additional spring at the still position of the control rod under the condition of fixing at the second coupling position. The invention also relates to the switch mounting device with the electromagnetic release system.
Description
Technical field
The present invention relates to as described in the preamble according to claim 1, the electromagnetic releasing system that line protection switch is used, comprise the magnet system with striker, can be around being fixed on axle on shell supported contact lever and can be around swingingly supported control lever of swinging axle rotatably, control lever has the first coupling position, restricted spring acts on the first coupling position with its first end, wherein the resilience force of restricted spring loads control lever towards its resting position, and the resilience force that wherein control lever can resist restricted spring under the effect of striker swings in its off-position from its resting position, wherein between contact lever and control lever, there is male part, 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 the installation switchgear as described in the preamble according to claim 7, particularly line protection switch or main line protection switch, with the contact position forming between fixed contact and movable contact, comprise electromagnetic releasing system, described electromagnetic releasing system has with the magnet system with striker, can around be fixed on axle on shell rotatably supported carrying movable contact contact lever and can be around swingingly supported control lever of swinging axle, control lever has the 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 the resilience force that wherein this control lever can be under the effect of this striker resists 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 by the oscillating motion of control lever, in open position, fixed and movable contact separates.
Background technology
Such installation switchgear is optionally main line protection switch of one in this way.Such main line protection switch is mainly used in instrument space
the lower end subarea of for example indoor location.They are protecting electrical installation device to avoid dangerous overcurrent and short circuit current effect with being connected under the acting in conjunction of line protection switch of each current circuit of being furnished with power consumption equipment below; method is that they optionally and automatically block the current circuit being connected on below in the time there is overcurrent or short circuit current.
Shutoff during for short circuit, such installation switchgear has electromagnetic releaser.Wherein utilize the electric current that flows through electromagnet to turn-off in several milliseconds.For example, learn such electromagnetic releaser from DE 10 2,008 021 768.It comprises that magnet core and one also claim to keep off the magnetic loop of armature with moving armature, also has a coil device that comprises coil pipe, the core yoke plate that this coil device is fixed thereon with magnet core, and the yoke sidepiece coupling together with yoke anchor plate and by core yoke plate and yoke anchor plate.It is formed for the shell of the coil device of armature and forms magnetic current path together with yoke anchor plate with core yoke plate.In the through hole of striker in magnet core.On core yoke plate, support swingably a control lever.Restricted spring acts on control lever and acts on the contact lever of contact position.Wherein, the reset force of this restricted spring loads control lever to the direction of its resting position, and contact lever is loaded to the direction of its off-position, 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 and the restraining force for control lever simultaneously.
While there is short circuit current, gear armature very rapidly moves and to striker generation effect, hits control lever thereby striker passes yoke anchor plate on magnet core.The direction of the reset force that it makes control lever antagonism restricted spring from its resting position to its off-position moves.Male part between control lever and contact lever swings contact lever control lever during this period to its open position.On the open position of contact lever, main contact position is opened the time of such length, until line protection switch turn-offs by its tripping mechanism.
The power of armature impact striker and striker impulsive control bar depends on the intensity of short circuit current.The so-called release characteristics of line protection switch provides, and how many times of rated current short circuit rapidly could occur and discharge, and therefore it provides the response lag of line protection switch.For example; optionally line protection switch is manufactured by so-called electrical characteristics (E-Charakteristik); for these electrical characteristics, short circuit current release can discharge in the time of 5-6.25 times of interchange rated current, but is exchanging more than 6.25 doubly must discharging of rated current.
At electric current, during lower than the determined release threshold value of this characteristic (be rated current 5 times), electromagnetic releaser should not discharge.Therefore, constraint mechanism, the mechanical system that comprises control lever and restricted spring designs like this, makes armature power from the short circuit current corresponding with the response lower limit of corresponding release characteristics, just be enough to make control lever be flapped toward its off-position, and this armature power for example can be called threshold force.The lever ratio of wherein especially coordinating with the rigidity of restricted spring is selected like this, and after making to exceed this threshold force, when contact lever swings, the further variation of power is low as far as possible and even.
For determine for example for the applicable cases in industrial scale, also need to be with the device of the higher release characteristics postponing in short-term, therefore with higher response lag.In order to realize this point, must be from known so far device, reset completely and manufacturing constraints mechanism, but do like this high cost.
Summary of the invention
Therefore, wish from the known solution of prior art, create a kind of electromagnetic releasing system for discharging threshold design, this battery delivery system can be in simple mode as using and retrofited under at least one other release threshold value.In addition, task of the present invention is also, creates a kind of improved installation switchgear, and it discharges threshold design for one, can be used at least another release threshold value but change a little.
The task of creating a kind of improved electromagnetic releasing system solves by the electromagnetic releasing system of the feature with claim 1.Aspect installation switchgear, this task is by solving according to the installation switchgear of claim 7.The expansion of above-mentioned object realizes in the dependent claims.
Therefore,, according to the present invention, control lever has the second coupling position of establishing for fixing additional springs, wherein, in the situation that being fixed on the 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, change in this wise the existing magnetic delivery system of such installation switchgear, making can be for the restricted spring that existing between control lever and contact lever and while are also contact force springs packs an additional restricted spring into, and this restricted spring acts on by way of parenthesis on control lever after packing into.Increase the restraining force of control lever to armature and do not change the effect of the power to contact lever with this.Only increase the response current of electromagnetic releasing system, and movable contact position while opening the variation of power still constant.
According to a favourable embodiment, this magnet system has the 3rd coupling position, and wherein this additional springs is fixed on second and the 3rd on coupling position.Can another spring terminal of additional springs be fixed on core yoke plate by fixing angle-shaped piece for this reason.Therefore, existing core yoke plate not only can use for the known characteristic that there is no additional springs, but also can utilize the additional springs packing into use for the characteristic of the release threshold value with raising.
According to another favourable embodiment, this restricted spring acts on contact lever with its second end.
According to another favourable embodiment, in the resting position of control lever, this additional springs be applied to line of action of force on control lever with reference to swinging axle and this restricted spring reset line of action of force in the same side, and control lever is while producing from its resting position, it is crossing with this swinging axle that this additional springs is applied to line of action of force on control lever.In a word, this additional springs arranges like this, makes after magnet system response, and spring action line promptly moves on on the rotating shaft of control lever by the rotation of control lever, thereby power act as zero in the time of contact opening movement.
According to another favourable embodiment, this magnet system comprises the shell with cover plate, and this cover plate carrying fixed support, the 3rd coupling position is on support bracket fastened free end.This cover plate is for example corresponding to the core yoke plate of known electromagnetic releasing system.This fixed support can take the form of fixing angle-shaped piece to be welded on this core yoke plate.Therefore, existing core yoke plate not only can use for original electrical characteristics, and can use by the characteristic of the release threshold value with raising, at this moment welds the fixing angle-shaped piece that additional springs is used.
According to another favourable embodiment, spring keeper and the axle coupling being fixed on shell, wherein the 3rd coupling position is on this spring keeper.In this embodiment, the basic device containing additional springs can also not add the additional springs use of change area hardly.In order to reequip by additional springs, need only be fixed on the spring keeper of axle coupling on shell with this, wherein this spring keeper forms the 3rd coupling position that additional springs is used.
According to another favourable improvement project of above-described embodiment, 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 receiving the axle being fixed on shell.
According to another favourable improvement project, this support arm and block coupling, to prevent that spring keeper from rotating on the axle being fixed on shell.
According to another favourable improvement project, this magnet system comprises the shell with cover plate, and this block is fixed on this cover plate.
According to another favourable embodiment, this contact lever comprises the contact arm and the control arm that carry movable contact, utilize described control arm to be formed to the male part of described control lever, described male part is fixed in the both sides of the rotating shaft aliging with the described axle being fixed on shell, and on contact lever, fixed tie bracket, the second end of restricted spring acts on its free end.
According to installation switchgear of the present invention, this control lever has the second coupling position of establishing for fixing additional springs, wherein in the situation that being fixed on the second coupling position, strengthens in the resting position at control lever the resilience force of this restricted spring by this additional springs.
According to favourable embodiment of the present invention, in the resting position of control lever, this additional springs be applied to line of action of force on control lever with reference to the reset line of action of force of swinging axle and this restricted spring in the same side, and control lever is while producing from resting position, it is crossing with this swinging axle that this additional springs is applied to line of action of force on control lever.
Brief description of the drawings
Accompanying drawing and its explanation are used for understanding better object.Substantially the same or similar object or the part of object can indicate with identical Reference numeral.These accompanying drawings just schematically represent embodiments of the invention.
In accompanying drawing:
Fig. 1 is an embodiment according to electromagnetic releasing system of the present invention;
Fig. 2 is according to the detail drawing of the cover plate of the magnet system of Fig. 1 embodiment, with control lever and additional springs;
Fig. 3 schematically represent with electromagnetic releasing system according to installation switchgear of the present invention; And
Fig. 4 is another embodiment according to electromagnetic releasing system of the present invention.
Embodiment
First, observe Fig. 3 in conjunction with Fig. 1.Fig. 3 represents installation switchgear 30 with the sectional view of signal, with insulating material housing 31.The installation switchgear 30 here is for example used as optionally main line protection switch.Between inlet wire binding post 32 and outlet binding post 33, form a primary current path, 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.On the free end of movable contact 36 in contact arm 20.Contact arm 20 and the common composition double-arm lever of control arm 21, contact lever 5.On the link position between contact arm 20 and control arm 21, contact lever 5 can be swingingly supported around axle, this axle be fixed on shell on and the rotating shaft 4 that is bearing in shell align.
The outer casing member of the shell 17 of magnet system 2 is that side part, base plate (use the term using in DE 10 2,008 021 768 A1, also claim yoke anchor plate) and cover plate (also claiming core yoke plate) are manufactured 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 wire, contact lever 5 and contact position 34.
This magnet system 2 is fixed on the inside of crust of the device 31.
On cover plate 18 in the side away from contact lever 5 at magnet system 2, maintenance support 39 is installed.At its free end upper support swinging axle 6, control lever 7 can be swingingly supported around it.
Control lever 7 is constructed release arm 40 and restraining arm 41 the same as double-arm lever substantially, is wherein between release arm 40 and restraining arm 41, to exist to be slightly larger than the slightly blunt angle of 90 ° at these two part arms.In Fig. 1, control lever 7 is in its resting position, 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.In the time that control lever 7 starts clockwise direction rotation from the resting position shown in Fig. 3 or Fig. 1, due to this male part, contact lever 5 counterclockwise rotates, and opens contact position 34 with this.
On the free end of the first coupling position 8 in restraining arm 41 of restricted spring 9.On contact lever 5, tie bracket 22 is arranged near axle 4, and tie bracket 22 is approximately perpendicular to contact arm or control arm 20,21 ground are erect.Another coupling position of Constrained spring 9 on its free end.This coupling position is here hook, and the lifting lug of the end points of cylindrical spring can be hung into wherein.
On Fig. 1 or 3 shown positions, these restricted spring 9 clockwise direction tractive contact levers, and tractive control lever 7 counterclockwise.There is such effect with this in restricted spring 9, on the contact position 34 between fixed and movable contact 35,36, produces the contact of the value that requires.
On cover plate 18, between axle 4 and maintenance support 39, a fixed support 19 is also installed.On its free end, there is the 3rd coupling position 13 of a hook form.On the restraining arm 41 of control lever 7, there is equally the second coupling position 11 of a hook form near of the first coupling position 8.This second and the 3rd can add an additional springs between coupling position 11,13.In the example of Fig. 1 and 3, added such additional springs 12, be a cylindrical spring equally, in its end with lifting lug, take this by additional springs 12 hang second and the hook of the 3rd coupling position in.While 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 being driven by gear armature 3, and on Fig. 3, it is slightly outstanding from cover plate 18 here.While there is enough strong short circuit current, striker 45 out obtains driving upwards and clashes into the free end of release arm 40 from cover plate 18, and makes thus 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.Wherein, this gear armature acts on striker 45, and striker works as coupling mechanism between gear armature and control lever again, and is pressed in or impinges upon on the free end of release arm 40.In the through hole of this striker in magnet core.
For example thermal release, arc suppression device, switching mechanism or in addition auxiliary contact position of other parts of installation switchgear and parts is all not shown in the schematic diagram of Fig. 3.They are consistent with the known elements in prior art.
Fig. 1 represents that, according to the embodiment of the concrete manufacture of electromagnetic releasing system 1 of the present invention, what schematically show with Fig. 3 is the same.Identical Reference numeral indicates identical part, part or parts.
Fig. 2 presentation graphs 1 according to the detail drawing of the cover plate of electromagnetic releasing system of the present invention 18.Identical Reference numeral indicates identical part, part or parts.Can see recess 44, striker is kept off armature 3 and acts on (seeing Fig. 3) and can impinge upon on the release arm 40 of control lever 7 through this recess.The restraining arm 41 of control lever 7 is made the form of plate and transverse to the longitudinal extension direction of doing the release arm 40 with shape of growing up being mounted thereon.It is freely indulged on rib and has roughly rectangular depression at it, on the sidewall of this depression by two hooks of punching and bending molded the first and second coupling positions 8,11.There are the ear shape projection, the cropped ear 42 that extend along the direction that is parallel to release arm 40 in the narrow side of restraining arm 41, on its free end, form lifting lug 43 to be used for receiving swinging axle 6.As shown in Figure 1, keep support 39 same with such ear that angles, this lifting lug is with the axle journal of the extrusion as bearing position, thereby control lever 7 can swingingly be connected.
Near recess 44, on cover plate 18, welding to support the fixed support 19 of angle steel (Haltewinkels) as form.It has a hook on its free end, and this hook is formed for the 3rd coupling position of additional springs 12.
The installation of the ear shape projection 42 that receiving swinging axle is used is relevant with Machine Design described above.The position of this ear shape projection will ensure, additional springs 12 is applied to line of action of force on control lever (7) and under the swing that resting position is along clockwise direction very little, just moves into the rotating shaft of swinging axle 6 and therefore in the time that control lever further rotates, no longer apply effective resilience force to control lever leaving.On the contrary, this additional springs is even brought additional revolving force and also control lever 7 is proceeded to its off-position along clockwise direction with this and supports overcome the dead point forming due to additional springs 12 lines of action of force on swinging axle 6 after.Due to the cause of this structure, 12 the first moment that start along clockwise direction to rotate at control piece of this additional springs are played antagonism.Therefore, 12 of additional springs improve the restraining force to control lever 12 in the time that dispose procedure starts, and in the time that contact position opening procedure further carries out, it no longer affects contact opening force
In the time not hanging into additional springs 12, the release characteristics of electromagnetic releasing system is only given in advance by this restricted spring 9, for example electrical characteristics.Just can make simply these electrical characteristics become the release characteristics with higher response lag by hanging into additional springs 12.In addition need not change electromagnetic releasing system, also further not change in addition the characteristic of electromagnetic releasing system.Fixed support 19 can weld on the cover board substantially, or at this moment on the device with electrical characteristics, keep need not.But this fixed support also can only be welded on expectation and will apply on the cover plate of electromagnetic releasing system of additional springs 12.In a word, can be flexible and changeable under minimized change is intervened according to the configuration of electromagnetic releasing system of the present invention.
Now will observe Fig. 4.It represents according to another embodiment of electromagnetic releasing system of the present invention.Identical or act on identical element, parts or system with the numeral identical with above-mentioned each accompanying drawing.Figure 4 illustrates delivery system and obtain cover plate 18, with contact lever 5 be fixed on axle 4 and the control lever 7 on shell.For clarity, the swinging axle that restricted spring, control lever are used and maintenance support are all not shown in this Fig. 4.
Be with the difference of the embodiment in Fig. 1 and 2 and 3 according to the embodiment of Fig. 4, the 3rd coupling position 13 is on spring keeper.Spring keeper 47 has the keeping arm 48 of rectangular slab form, is molded into a vertical support arm 49 on one side that stands in therewith on its narrow side.The 3rd coupling position 13 is with the formal construction of ear connected in star on the narrow side above being positioned at of keeping arm 48, and the end of additional springs 12 hooks in this groove.Keeping arm 48 has central recess 50, is a hole here, utilizes this hole that this keeping arm is passed on the end of the axle 4 being fixed on shell.Therefore can repack very simply the basic device that there is no additional springs 12 into delivery system with additional springs.Need only spring keeper 47 be pushed on the axle being fixed on shell and hang up additional springs for this reason.
This additional springs applies moment of torsion to this spring keeper 47, if it will rotate on the axle 4 being fixed on shell without countermeasure, just the line of force of additional springs is no longer definite, but depending on the position of rotation of spring keeper, this is undesirable.Therefore, the keeping arm 48 of spring keeper 47 in side with perpendicular to being fixed on support arm 49 axle 4 on shell, that point to cover plate 18.Its size is definite like this, makes it work as this additional springs 12 and reaches when loading spring keeper 47 along clockwise direction and withstand the block 51 on the upper side that is fixed on cover plate 18.Coupling by support arm 49 with block 51 has prevented the rotation of spring keeper 47 in the time loading by additional springs.
Spring keeper 47 preferably can be made sheet metal bending part, and its mesopore 50 and support arm 49 form jointly at a procedure.Block 51 can be gone out or extrude from cover plate 18 manufacturing when cover plate 18, or then as fritter paste, welding, with screw tightening on this cover plate, or fix by other known in principle modes.But this scheme preferably block 51 extruded by cover plate 18, so just make a part for cover plate 18.
List of numerals
1 electromagnetic releasing system
2 magnet systems
3 gear armature
What 4 contact levers were used is fixed on the axle on shell
5 contact levers
The swinging axle of 6 control levers
7 control levers
8 first coupling positions
9 restricted springs
The first end of 10 restricted springs
The second coupling position of 11 additional springs
12 additional springs
The 3rd coupling position of 13 additional springs
The 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 44 yoke cover plates
45 strikers
46 magnet coils
47 spring keepers
48 keeping arms
49 support arms
50 recesses
51 blocks
Claims (14)
1. the electromagnetic releasing system (1) that line protection switch is used, comprise the magnet system of band striker (45), the control lever (7) that the contact lever (5) that can be supported rotatably around the axle (4) being fixed on shell and energy gum are swingingly supported around swinging axle (6), described control lever has the first coupling position (8), restricted spring (9) acts on described the 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 the resilience force that wherein said control lever (7) can resist described restricted spring (9) under the effect of described striker (45) 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 the second coupling position (11) of establishing for fixing additional springs (12), wherein in the situation that being fixed on described the second coupling position (11), strengthens in the resting position of described control lever (7) resilience force of described restricted spring (9) by described additional springs (12).
2. according to the electromagnetic releasing system (1) of claim 1, it is characterized in that, described magnet system (2) has the 3rd coupling position (13), and wherein said additional springs (12) is fixed on described the second coupling position (11) and described the 3rd coupling position (13).
3. according to the electromagnetic releasing system (1) of claim 1, it is characterized in that, described restricted spring (9) acts on contact lever (5) with its second end (14).
4. according to the electromagnetic releasing system (1) of claim 2, it is characterized in that, in the resting position of described control lever (7), described additional springs (12) be applied to line of action of force on described control lever (7) with reference to described swinging axle (6) with the reset line of action of force of described restricted spring (9) in the same side, and, in the time that described control lever (7) produces from resting position, it is crossing with described swinging axle (6) that described additional springs (12) is applied to line of action of force on described control lever (7).
5. according to the electromagnetic releasing system (1) of claim 2, it is characterized in that, described magnet system (2) comprises the shell (17) with cover plate (18), and described cover plate (18) carrying fixed support (19), described the 3rd coupling position (13) is on described support bracket fastened free end.
6. it is characterized in that according to the electromagnetic releasing system (1) of claim 2, spring keeper (47) with described in be fixed on the coupling of axle (4) on shell, wherein said the 3rd coupling position (13) is on described spring keeper (47).
7. according to the electromagnetic releasing system (1) of claim 6, it is characterized in that, described spring keeper (47) has keeping arm (48) and support arm (49), and wherein said the 3rd coupling position (13) is on described keeping arm (48).
8. according to the electromagnetic releasing system (1) of claim 7, it is characterized in that, described keeping arm (48) has recess (50) and be fixed on the axle (4) on shell described in receiving.
9. according to the electromagnetic releasing system (1) of claim 7, it is characterized in that, described support arm and block (51) coupling, to prevent that described spring keeper (47) is in the described upper rotation of axle (4) being fixed on shell.
10. it is characterized in that according to the electromagnetic releasing system (1) of claim 9, described magnet system (2) comprises the shell (17) with cover plate (18), and described block (51) is configured to a part for described cover plate (18) or is fixed on described cover plate (18).
11. according to the electromagnetic releasing system (1) of claim 3, it is characterized in that, described contact lever comprises contact arm (20) and the control arm (21) of carrying movable contact (36), utilize described control arm to be formed to the male part of described control lever (7), described male part is fixed in the both sides of the rotating shaft aliging with the described axle (4) being fixed on 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 switchgears, there is the contact position forming between fixed contact (35) and movable contact (36), comprise electromagnetic releasing system, described electromagnetic releasing system has the magnet system (2) of band striker (45), the contact lever (5) of the carrying movable contact (16) that can be supported rotatably around the axle (4) being fixed on shell and the control lever (7) that can swingingly be supported around swinging axle (6), described control lever has the first coupling position (8), restricted spring (9) acts on described the 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 the resilience force that wherein said control lever (7) can resist described restricted spring (9) from its resting position under the effect of gear armature 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 by 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 the second coupling position (11) of establishing for fixing additional springs (12), wherein in the situation that being fixed on described the second coupling position (13), strengthens in the resting position of described control lever (7) resilience force of described restricted spring (9) by described additional springs (12).
13. according to the installation switchgear of claim 12, it is characterized in that, in the resting position of described control lever (7), described additional springs (12) be applied to line of action of force on described control lever (7) with reference to described swinging axle (6) with the reset line of action of force of described restricted spring (9) in the same side, and, in the time that described control lever (7) produces from resting position, it is crossing with described swinging axle (6) that described additional springs (12) is applied to line of action of force on described control lever (7).
14. according to the installation switchgear of claim 12 or 13, it is characterized in that, described installation switchgear is line protection switch.
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 CN101872702A (en) | 2010-10-27 |
| CN101872702B true CN101872702B (en) | 2014-09-17 |
Family
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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 (3)
| 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 |
Family Cites Families (5)
| 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 | |
| DE102006037225A1 (en) * | 2006-08-09 | 2008-02-14 | Siemens Ag | Switching unit |
| 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 (3)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2244276A3 (en) | 2013-02-20 |
| DE102010004641A1 (en) | 2010-11-11 |
| CN101872702A (en) | 2010-10-27 |
| EP2244276A2 (en) | 2010-10-27 |
| DE102010004641B4 (en) | 2021-02-18 |
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