CN103578871A - Remote control device - Google Patents
Remote control device Download PDFInfo
- Publication number
- CN103578871A CN103578871A CN201310319262.XA CN201310319262A CN103578871A CN 103578871 A CN103578871 A CN 103578871A CN 201310319262 A CN201310319262 A CN 201310319262A CN 103578871 A CN103578871 A CN 103578871A
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- CN
- China
- Prior art keywords
- remote control
- control device
- function key
- driven
- overload relay
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
-
- 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
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
- H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to a remote control device used for being mounted in an overload relay position in an attached manner and for remotely controlling at least one function key of the overload relay. The remote control device is arranged in a housing, comprises a driving device capable being remotely controlled and equipped with a part having a driving function and a driven part, when the driving device is remotely controlled, the part having the driving function transmits motion to the driven part, when the driven part is in effective mechanical connection with at least one function key during remote control, and the remote control device is characterized in that the driven part includes a first position in which the part and a first function key is in effective mechanical connection, the driven part includes a second position in which the part and a second function key is in effective mechanical connection, and the driven part can be switched between the first and the second positions, so that a first or a second function key of the overload relay can be remotely controlled according to the position of the driven part.
Description
Technical field
The present invention relates to a kind of according to the preamble of claim 1 for attaching (Anbau) to overload relay place and for the remote control device of at least one function key of remote control overload relay, this remote control device comprise with play the part of driving effect and the part that driven can remote control drive unit, wherein, this drive unit transmits motion on the part being driven via the part that plays driving effect, wherein, the part being driven with the function key of overload relay in effective connection of machinery (Wirkverbindung).
Background technology
Overload relay (remote control device according to the present invention should be attached to this overload relay place) can be so-called thermal overload relay (TOL) or so-called electronic overload relay (EOL).This overload relay is known in principle.This overload relay has the first function key conventionally at fore side place, to make overload relay reset after triggering, therefore this first function key is also called " reset key " for short.Often yet be provided with the second function key, to simulate by pressing this key the functional test that overload situations is carried out overload relay, therefore the second function key is also called " stop key ".Also can use this " stop key " to interrupt automatically the maintaining (Selbsthaltung) and stop thus motor of control loop of contactor when motor starting.In order to handle reset key or stop key, operating personnel must go to overload relay place and handle corresponding key by hand.
There are this needs, by means of remote control device, carry out alternatively and handle and reset or stop key from afar.Remote control device with plug-in type armature magnetic system that can remote control is known, its plug-in type armature drives in the function key with overload relay one push rod in effective connection the in machinery, thereby in can remote control key one, however can not remote control other key.If answer other function key of remote control, must make remote control device move at relay place, this high cost, or the second configuration that must apply the remote control device matching with the second function key, thus the remote control device of double amount must be provided.
Summary of the invention
The object of the present invention is to provide a kind of remote control device, can utilize therein unique drive unit that can remote control to handle alternatively still in two function keys, and needn't move or replace remote control device or can handle reset key or can handle stop key.
This object realizes by the remote control device of the feature of the characteristic with claim 1.
Therefore according to the present invention, the part being driven comprises primary importance, in this primary importance, the first function key of this part and overload relay is in effective connection the in machinery, and the part being driven comprises the second place, in this second place, the second function key of this part and overload relay is in effective connection the in machinery, and the part being driven can be changed between primary importance and the second place, thereby according to the position of the part being driven, can realize the first or second function key of remote control overload relay.
The part that can be driven by adjusting in remote control device according to the present invention changes the function of remote control device, between the first function " remote control reset key " and the second function " remote control stop key ", change, and needn't move or replace at utensil place remote control device.
According to a favourable form of implementation of the present invention, the plug-in type armature system that drive unit that can remote control is magnetic, wherein, the part that plays driving effect is plug-in type armature, and wherein, the part being driven is assembly, comprise connect mutually with plug-in type armature and can by this plug-in type armature axial direction superior displacement and can and be fixed on the pressing plate at this rod member place around the rod member of its longitudinal axis rotation, wherein, in primary importance rod member so rotation make pressing plate when remote control with the first function key in effective connection, and wherein, in the second place rod member so rotation make pressing plate when remote control with the second function key in effective connection.
As the plug-in type armature system of drive unit that can remote control, can come in the following manner to manufacture very simply and in use sturdy and durable and can control simply, only need to two ties of the coil of plug-in type armature magnetic system.When remote control, electric current flows through tie and coil, and plug-in type armature is inwardly drawn in coil bore towards fuse, and wherein, plug-in type armature makes rod member displacement, and drive unit is in resting position when cutting off coil current.
According to a favourable form of implementation of the present invention, the fixing point of rod member is arranged in pressing plate place prejudicially, thereby pressing plate is divided into long first minute arm (Teilarm) and second minute shorter arm by fixing point, wherein, compared with long minute arm, be arranged for the first function key of handling in two function keys and shorter minute arm is arranged for the second function key of handling in two function keys, wherein, according to the position of pressing plate, one in two function keys is steerable, and correspondingly another minute arm passes through (vorbeizielt) from another function key side.
There is thus a kind of very simple structure, to especially guarantee when closely arranging the first and second function keys each other, in primary importance, do not handle the second function key and in the second place, do not handle the first function key.
According to a favourable form of implementation of the present invention, plug-in type armature (does not carry out therein remote control) and stretches out housing with its free end in resting position, thereby can realize manual control drive unit in the end of stretching out housing of plug-in type armature.Although this advantageously be there is to remote control, can realize manual manipulation in addition, and remote control device needn't remove from overvoltage relay.
According to a favourable form of implementation of the present invention, remote control device in housing except comprising manual control device the drive unit of remote control, wherein, manual control device when handling only with the first function key in effective connection the in machinery.This manual control device has met needs in simple mode, must provide all the time the independent possibility for the hand-reset of overload relay accordingly.If pressing plate is arranged in the second place, without manual control device in the situation that, can not realize the manual reset of overload relay.
According to a favourable form of implementation of the present invention, manual control device for being arranged to be parallel to the second rod member of rod member in housing vertical shift, it is with operating side and effect end, wherein, operating side is stretched out housing and is configured with hook-shaped effect protuberance (Wirkansatz) at effect end place.
According to a favourable form of implementation of the present invention, at this, in the primary importance of the part being driven, act on protuberance with long minute arm in effective connection the in machinery, thus the manipulation of the first function key by long minute arm or realize or realize by the drive unit that remote control can remote control by manual control manual control device in the primary importance of the part being driven.
According to a favourable form of implementation of the present invention, in the second place of the part being driven, act on protuberance place and become to be mechanically effectively connected to pressing plate, thereby the manipulation of the first function key only realizes by manual control manual control device in the second place of the part being driven.
According to a favourable form of implementation of the present invention, housing has locking device and is connected with the releasable locking of overload relay for realizing.
According to a favourable form of implementation of the present invention, housing has screwdriver break-through opening, to realize the joint Terminal that enters overload relay in the position on being placed to overload relay.
Other favourable design of the present invention and improvement project and other advantage can be learnt from dependent claims.
Accompanying drawing explanation
Should further set forth and illustrate the present invention and other favourable design and improvement project of the present invention by means of the accompanying drawing that shows therein embodiments of the invention.Wherein:
Fig. 1 has shown known thermal overload relay,
Fig. 2 has shown the thermal overload relay according to Fig. 1, with lay thereon according to remote control device of the present invention,
Fig. 3 shown according to the view of remote control device of the present invention,
Fig. 4 a has shown the translucent view according to remote control device of the present invention, and wherein, the part being driven is arranged in the second place,
Fig. 4 b has shown the translucent view according to remote control device of the present invention, and wherein, the part being driven is arranged in primary importance,
Fig. 5 shown according to the exploded view of remote control device of the present invention,
Fig. 6 has shown the exploded view according to drive unit of the present invention.
List of reference characters
1 remote control device
2 overload relays
3 first function keys, reset
4 second function keys, stop
5 can remote control drive unit
6 play the part of driving effect, plug-in type armature
The free end of 6a plug-in type armature
The part that 7a is driven, rod member
The part that 7b is driven, pressing plate
7c fixing point
Minute arm that 7d is long
Minute arm that 7e is shorter
The housing of 8 remote control devices
9 manual overvides, the second rod member
9a operating side
9b effect end
9c effect protuberance
10 locking hooks
11 break-through openings
11a break-through opening
11b break-through opening
12,12a, 12b, 12c joint Terminal
12', 12a', 12b', 12c' enters opening
13 housings
14 front sides
15,15a, 15b the first joint Terminal
15', 15a', 15b' enters opening
16,16a, 16b contact plug
17 fore sides
18 sidewalls
19 lay side
20 cover plates
21 left narrow sidepieces
22 joint Terminals
23 joint Terminals
22' enters opening
23' enters opening
The fore side of 24 remote control devices
25 yoke shape parts
26 yoke plates
27 coil cases
28 ties
29 magnetic cores
30 back-moving springs.
Embodiment
Fig. 1 has shown the known thermal overload relay 2 with the housing 13 of essentially rectangular.In front side 14 modes of sentencing each other two rows of dislocation be provided with the first joint Terminal 15 for connecting the phase conductor of current circuit to be monitored, 15a, 15b with for connecting auxiliary contact or the second joint Terminal 12,12a, 12b, the 12c of signal contact wire.At the attachment side place of relatively putting, exist contact plug 16,16a, 16b for for example, being connected with mechanical aspects aspect electric with switch apparatus (contactor).At fore side 17 places, exist and enter opening 15', 15a' and 15b' and 12', 12a', 12b', 12c' to joint Terminal.In addition there is the first function key-reset key 3 herein and at the second function key-stop key 4 on the first function key side.Reset key 3 is positioned at close sidewall 18 and is used for the overload relay that resets after triggering.Stop key is located on reset key side and is with it angle (schr g), is probably nearly positioned at outside fore side 17 center.
Fig. 2 has shown thermal overload relay 2, at it, is in and on fore side, lays remote control device 1 and utilize locking hook 10 to be releasably locked at 14 places, front side of housing 13.Remote control device 1 is also shown in Figure 3 with the vertical view tilting.Remote control device has the shape of the square body of longitudinal extension substantially, and this remote control device utilizes one distolateral (laying side 19) to be placed on the fore side of overload relay 2.Lay side 19 and extended cover plate (Lasche) 20.With enclose (angesetz) the profile of laying side 19 of cover plate 20 corresponding to the profile of fore side 17, thereby remote control device 1 can flush and is placed on overload relay 2.In cover plate 20, there is the first break-through opening 11 and each one second and the 3rd break-through opening 11a, 11b of being the form of corresponding short deep hole of deep hole (Langloch) form that is long.Cover plate 20 is in the region that enters opening 12', 12a', 12b', 12c' of auxiliary contact terminal when remote control device 1 is placed on overload relay 2, and by break-through opening 11,11a, 11b, keeping break-through opening for example, is come-at-able for the manipulate tools (screwdriver) engaging for auxiliary contact terminal.
At the narrow sidepiece (left narrow sidepiece 21 herein) of the housing 8 of remote control device 1, locate front-back staggered ground each other and be hierarchically furnished with stackedly each other for by connecting conductor and be attached to two joint Terminals 22,23 of coil of the plug-in type armature system of remote control device 1, for manipulate tools, can through entering opening 22', 23', approach from the fore side 24 of remote control device 1.The operating side 9a of the free end 6a of plug-in type armature 6 and the second rod member 9 is outstanding at fore side 24 places, referring to accompanying drawing subsequently.
Fig. 4 a has shown that in translucent view, according to remote control device 1 of the present invention, wherein, the part being driven is arranged in the second place.Can identify can remote control drive unit 5 (being embodied as plug-in type armature system) be relatively medially inserted in housing 8.Figure 6 illustrates the details of plug-in type armature system.In Fig. 4 a, can identify a leg of the yoke shape part 25 of U-shaped.At the upper narrow sidepiece place of yoke shape part, for penetrating opening, plug-in type armature 6 runs through by this and penetrates opening with its free end 6a.In the end of relatively putting, identify by the terminal of yoke plate 26.Yoke plate penetrates (referring to Fig. 6) by rod member 7a, in the end of stretching out yoke plate of this rod member, rivets and has pressing plate 7b longitudinally.Riveted joint position is positioned at pressing plate 7b place prejudicially, so pressing plate 7b has long minute arm 7d and shorter minute arm 7e.
The housing 8 of remote control device 1 is laid side 19 places at it and is had suitable recess, and the reset of overload relay 2 and stop key 3,4 can protrude in the inner chamber of remote control device 1 through this recess.
Rod member 7a can be arranged to around at least 50 ° of its longitudinal axis rotations.The long minute arm 7d of pressing plate 7b is arranged for the stop key 4 of handling overload relay 2.A shorter minute arm 7e of pressing plate 7b is arranged for and handles reset key 3.According to rod member 7a and meanwhile the position of pressing plate 7b carry out in joystick key, and another arm shape part from affiliated another key side through (vorbeigeht).In a position, therefore make pressing plate 7b for example so rotate a shorter minute arm 7e is on reset key 3, a so long minute arm 7d place becomes to make it not encounter stop key 4.In another location, make pressing plate rotate about 50 °.Compared with long minute arm 7d, be on stop key 4 now and a shorter minute arm 7e does not encounter reset key 3.
In the second place, (referring to Fig. 7 a), compared with long minute arm 7d, be on stop key 4 and a shorter minute arm 7e does not encounter reset key 3.
If activate in the following manner now plug-in type armature, by sending coil current for being connected to the connection conductor at joint Terminal 22,23 places, plug-in type armature 6 is pulled by inside (downward herein) so, plug-in type armature is met rod member 7a above and pressing plate 7b hits to stop key 3 with its long minute arm 7d, and this stop key comes long-range manipulation to be pressed thus.Self-evident, stop key 4 also can be by being pressed into the upper cause manual operating of free end 6a of plug-in type armature 6, even plug-in type armature coil current flowing not.
Quite accurately on the reset key 3 of overload relay 2, the second rod member 9 as manual control device for reset key 3 can be bearing in to housing 8 vertical shift.This second rod member stretches out the fore side 24 of housing 8 with its operating side 9a.By being pressed on the operating side 9a of the second rod member 9, press this rod member downwards, the effect end 9b of the second rod member therefore with reset key in effective connection the in machinery and this reset key be pressed down.Therefore in the second place that is to show in Fig. 4, also can handle reset key 3 with hand, in this position, only can by plug-in type armature, handle stop key 4 remote control.
The second rod member 9 carries approximately vertical outstanding short arm-effect protuberance 9c at effect end 9b place.So short the making of effect protuberance do not contact with a shorter minute arm 7e of pressing plate 7b in its second place that is to show in Fig. 4 a.Therefore, in the motion of this second place center platen 7b and the motion of the second rod member, be separated.
By about 50 ° of revolving rod 7a, this rod member and pressing plate 7b are reached according in the primary importance of Fig. 4 b.Rotation is realized in the following manner by hand, be about to plug-in type armature 6 upwards pull out very shortly sub-fraction and then with clockwise direction Rotate 180 ° on the contrary.Be that rod member 7a locates to be fixedly connected with plug-in type armature in the top, for example, to be pressed into.
According in the primary importance of Fig. 4 b, so rotary pressure plate 7b makes shorter minute arm 7e on reset key 3, and a so long minute arm 7d place becomes to make it not encounter stop key 4.
In this position, now stop key 4 no longer can be handled, and both handle also can not remote control for unavailable hand.Only can handle reset key 3 herein, that is or a shorter minute arm 7e by pressing plate 7b carry out remote control, or manually by pressing down plug-in type armature 6 (so herein also again by the shorter minute arm 7e of pressing plate 7b), or manually by being pressed at 9a place, its operating side on the second rod member 9, (acting on protuberance 9c so herein and will towards reset key 3, press the shorter minute arm 7e of pressing plate 7b).
Generally speaking, utilize remote control device 1 of the present invention therefore can be achieved as follows function:
-depend on the position of pressing plate 7b, by being pressed on the free end 6a of plug-in type armature 6, manually handle reset key 3 or stop key 4;
-do not consider the position of pressing plate 7b, by being pressed on the operating side 9a of the second rod member 9, manually handle reset key,
-depend on the position of pressing plate 7b, remote control stop key 4 or reset key 3.
Fig. 5 has shown how to assemble remote control device.Preassembled drive unit 5 (being plug-in type armature system) and the second rod member 9 are inserted into from below in housing 8, so as joint Terminal 22,23 is inserted in the terminal receiving cavity of its relative set in housing in side direction.
Fig. 6 has shown and has assembled how particularly plug-in type armature system.Coil case 27 is inserted in the inner chamber of yoke shape part 25 of U-shaped, this coil case comprises coil windings, can find out in tie 28.Coil case 27 has longitudinal hole placed in the middle.The magnetic core 29 of column is inserted into from below in this longitudinal hole, and magnetic core and yoke plate 26 are fixedly connected.Own from inserting above for back-moving spring 30 and the plug-in type armature 6 of plug-in type armature 6.Rod member 7a and pressing plate 7b are riveted together and from guiding to magnetic core 29 below by corresponding longitudinal hole.Rod member is pressed in plug-in type armature 6 at its free end.Therefore by drive unit 5 pre-assembled, be the difficult assembly departing from.
Claims (10)
1. one kind for being attached to that overload relay (2) is located and at least one function key (3 of overload relay described in remote control (2), 4) remote control device (1), this remote control Plant arrangement is in housing (8), comprise with the part that plays driving effect (6) and the part (7a that driven, 7b) can remote control drive unit (5), wherein, part (the 7a being driven described in described drive unit (5) transmits motion to via the described part (6) that plays driving effect when remote control, 7b), wherein, described part (the 7a being driven, 7b) when remote control and at least one function key (3 of described overload relay, 4) in the effective connection in machinery, it is characterized in that, described part (the 7a being driven, 7b) comprise primary importance, first function key (3) of part and described overload relay (2) is in effective connection the in machinery therein, wherein, described part (the 7a being driven, 7b) comprise the second place, second function key (4) of part and described overload relay (2) is in effective connection the in machinery therein, wherein, described part (the 7a being driven, 7b) can between described primary importance and the described second place, change, thereby according to the described part (7a being driven, the first function key (3) or second function key (4) of overload relay (2) described in remote control can be realized in position 7b).
2. remote control device according to claim 1 (1), it is characterized in that, the plug-in type armature system that described drive unit (5) that can remote control is magnetic, wherein, the described part (6) that plays driving effect is plug-in type armature, and wherein, described part (the 7a being driven, 7b) be assembly, comprise that connect and that by this plug-in type armature, can be shifted in the axial direction with described plug-in type armature (6) and can and be fixed on the pressing plate (7b) at this rod member place around its longitudinal axis revolving rod (7a), wherein, in described primary importance, described rod member (7a) so rotation make described pressing plate (7b) when remote control with described the first function key (3) in effective connection, and wherein, in the described second place, described rod member (7a) so rotation make described pressing plate (7b) when remote control with described the second function key (4) in effective connection.
3. remote control device according to claim 2 (1), it is characterized in that, the fixing point (7c) of described rod member (7a) is arranged in prejudicially described pressing plate (7b) and locates, thereby described pressing plate (7b) is divided into long first minute arm and second minute shorter arm (7d by described fixing point (7c), 7e), wherein, long described minute arm (7d) be arranged for the second function key (4) of handling in two described function keys, and shorter described minute arm (7e) be arranged for the first function key (3) of handling in two described function keys, wherein, can handle two described function keys (3 according to the position of described pressing plate (7b), 4) in one, and correspondingly described in another, minute arm passes through from function key side described in another.
4. remote control according to claim 2 (1), it is characterized in that, described plug-in type armature (6) does not stretch out described housing (8) with its free end (6a) in not carrying out remote control resting position therein, thereby locates to realize drive unit described in manual control in the described end (6a) of stretching out described housing of described plug-in type armature (6).
5. according to the remote control described in any one in the claims (1), it is characterized in that, described remote control device (1) in described housing (8) except comprising manual control device (9) the described drive unit (5) of remote control, wherein, described manual control device (9) when handling only with described the first function key (3) in effective connection the in machinery.
6. remote control device according to claim 5 (1), it is characterized in that, described manual control device (9) for being arranged to be parallel to the second rod member of described rod member (7a) in described housing (8) vertical shift, this second rod member is with operating side (9a) and effect end (9b), wherein, described operating side (9a) stretches out described housing (8) and locates to be configured with hook-shaped effect protuberance (9c) at described effect end (9b).
7. remote control device according to claim 6 (1), it is characterized in that, at the described part (7a being driven, in primary importance 7b), described effect protuberance (9c) is with long described minute effective connection of arm (7d) in machinery, thereby the first function key (3) described in the primary importance of the described part (7a, 7b) being driven by long described minute arm (7d) manipulation or by manual control device described in manual control (9), realize or realize by the described drive unit (5) that remote control can remote control.
8. remote control device according to claim 6 (1), it is characterized in that, at the described part (7a being driven, in described second place 7b), described effect protuberance (9c) is not located into and is mechanically effectively connected to described pressing plate (7b), thereby the manipulation in the first function key (3) described in the second place of the described part (7a, 7b) being driven only realizes by manual control device described in manual control (9).
9. according to the remote control device (1) described in any one in the claims, it is characterized in that, described housing (8) has locking device (10) and is connected with the releasable locking of described overload relay (2) for realizing.
10. remote control device according to claim 9 (1), it is characterized in that, described housing (8) has break-through opening (11,11a, 11b), to can realize joint Terminal (12, the 12a that enters described overload relay (2) in the position on being placed to described overload relay, 12b, 12c).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012014996 | 2012-07-28 | ||
| DE102012014996.4 | 2012-07-28 | ||
| DE102013008980.8 | 2013-05-28 | ||
| DE102013008980.8A DE102013008980B4 (en) | 2012-07-28 | 2013-05-28 | remote control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103578871A true CN103578871A (en) | 2014-02-12 |
| CN103578871B CN103578871B (en) | 2016-12-28 |
Family
ID=49999265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310319262.XA Active CN103578871B (en) | 2012-07-28 | 2013-07-26 | Remote control device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103578871B (en) |
| DE (1) | DE102013008980B4 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2805061Y (en) * | 2005-06-28 | 2006-08-09 | Abb新会低压开关有限公司 | Module type thermal relay |
| EP2219199A1 (en) * | 2009-02-12 | 2010-08-18 | Eaton Industries GmbH | Switching device system |
| CN101971282A (en) * | 2007-12-21 | 2011-02-09 | Abb股份公司 | Protective device and combination switching device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0766868B1 (en) | 1995-04-18 | 1999-07-07 | Square D Company | Solenoid operated remote resetting device with a protective activation circuit |
-
2013
- 2013-05-28 DE DE102013008980.8A patent/DE102013008980B4/en active Active
- 2013-07-26 CN CN201310319262.XA patent/CN103578871B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2805061Y (en) * | 2005-06-28 | 2006-08-09 | Abb新会低压开关有限公司 | Module type thermal relay |
| CN101971282A (en) * | 2007-12-21 | 2011-02-09 | Abb股份公司 | Protective device and combination switching device |
| EP2219199A1 (en) * | 2009-02-12 | 2010-08-18 | Eaton Industries GmbH | Switching device system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103578871B (en) | 2016-12-28 |
| DE102013008980A1 (en) | 2014-02-13 |
| DE102013008980B4 (en) | 2022-03-17 |
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