CN203434015U - Electromagnetic operating mechanism for vacuum contactor and fuse composite apparatus - Google Patents
Electromagnetic operating mechanism for vacuum contactor and fuse composite apparatus Download PDFInfo
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- CN203434015U CN203434015U CN201320478474.8U CN201320478474U CN203434015U CN 203434015 U CN203434015 U CN 203434015U CN 201320478474 U CN201320478474 U CN 201320478474U CN 203434015 U CN203434015 U CN 203434015U
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- cabinet
- switching
- main shaft
- bent plate
- vacuum contactor
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Abstract
The utility model discloses an electromagnetic operating mechanism for a vacuum contactor and fuse composite apparatus, which comprises a cabinet, a transmission main shaft, an electromagnetic switching-on mechanism, an electromagnetic switching-off mechanism, a switching-off spring, a switching-on mechanical holding mechanism and a manual switching-off mechanism. The transmission main shaft is fixed on the cabinet and is used for transmitting energy. The electromagnetic switching-on mechanism fixed at the bottom of the cabinet is connected with the transmission main shaft and is used for realizing the energy storage function of the switching-off spring. The electromagnetic switching-off mechanism is fixed on the upright post of the cabinet and is used for realizing the switching-off operation. The switching-off spring is fixed on the cabinet and is connected with the transmission main shaft. The switching-on mechanical holding mechanism is composed of a locking block arranged on the transmission main shaft, and a lock catch mechanism arranged on the electromagnetic switching-off mechanism. The manual switching-off mechanism arranged on the cabinet by means of studs comprises a switching-off bending plate and a switching-off pushing rod. One end of the switching-off bending plate is connected with the switching-on mechanical holding mechanism, and the other end of the switching-off bending plate is connected with the switching-off pushing rod. According to the technical scheme of the utility model, the electromagnetic operating mechanism has the advantages of stable products, small starting ampere turn and low long-term power dissipation. By means of the electromagnetic operating mechanism, the service life of the vacuum contactor and fuse composite apparatus is prolonged and the stability of the vacuum contactor and fuse composite apparatus during usage is improved.
Description
Technical field
The utility model relates to high voltage electrical apparatus technical field, particularly a kind of electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance.
Background technology
In high voltage electrical apparatus technical field, vacuum contactor belongs to control apparatus, and fuse belongs to protective device, and both support the use conventionally, forms the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance.The operating mechanism of existing used for vacuum contactor-fuse combined electric appliance adopts single clapper-type electromagnetic mechanism controls to realize divide-shut brake action mostly, single clapper-type electromagnetic mechanism, coil power is larger, magnetic energy utilance is not high, and the frequent operation that is unfavorable for used for vacuum contactor-fuse combined electric appliance, the temperature rise that mechanism's frequent operation produces is larger on the impact of Electromagnetic Control loop, and the less stable of properties of product and useful life are not long.
Utility model content
The utility model provides a kind of electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance, to extend the useful life of used for vacuum contactor-fuse combined electric appliance, and improves the stability in its useful life.
For solving the problems of the technologies described above, the utility model provides a kind of electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance, comprising: cabinet; Transmission main shaft, is fixed on described cabinet, carries out energy transmission; Solenoid operated closing mechanism, is fixed on described cabinet bottom, and is connected with described transmission main shaft, for realizing the energy storage of tripping spring; Electromagnetism brake separating mechanism, is fixed on the column of described cabinet, for realizing separating brake action; Tripping spring, is fixed on described cabinet and with described transmission main shaft and is connected; Combined floodgate mechanical retaining means, comprises the lock dog being arranged on transmission main shaft and is arranged on the latching device on electromagnetism brake separating mechanism; Manual brake separating mechanism, is arranged on cabinet by double-screw bolt, and it comprises: separating brake bent plate and separating brake push rod, and one end of described separating brake bent plate is connected with combined floodgate mechanical retaining means, and the other end of described separating brake bent plate is connected with described separating brake push rod.
As preferably, described transmission main shaft comprises: rotating spindle, three-phase connecting lever, drive connecting lever, energy-storage crank arm and auxiliary connecting lever; Described rotating spindle is fixed on described cabinet by a main shaft bearing pivot joint; Described three-phase connecting lever, driving connecting lever, energy-storage crank arm are all connected with described rotating spindle with auxiliary connecting lever, on described driving connecting lever, are welded with the first drive plate.
As preferably, on described the first drive plate, the first bent plate, cushion pad and adhesive armature are installed.
As preferably, described main shaft bearing is provided with bearing holder (housing, cover), the intrinsic collar of described bearing holder (housing, cover) internal perisporium, and the described collar is Nonlubricated bearing.
As preferably, described solenoid operated closing mechanism comprises: closing coil, combined floodgate iron core, combined floodgate armature and first are installed bent plate, described closing coil is fixed on described first by described combined floodgate iron core and installs on bent plate, and described combined floodgate armature is arranged at described closing coil and first and installs between bent plate.
As preferably, described electromagnetism brake separating mechanism comprises: switching winding, moving iron core, connector and second are installed bent plate, wherein, described switching winding winding is at described moving iron core one circle, described switching winding and moving iron core are installed bent plate by described second and are fixed on the column of described cabinet, and are connected with described combined floodgate mechanical retaining means by connector.
As preferably, described electromagnetism brake separating mechanism also comprises and is arranged at outer the second bent plate for strengthening fixing of described cabinet.
As preferably, described tripping spring comprises: spring, connecting rod, guiding bent plate and spacer, and wherein, described spring is stage clip structure, spacer is equipped with at two ends; One end stop of described spring is in the guiding bent plate being fixed on cabinet, and other end stop is in the first stop, and described spring is connected with transmission main shaft by connecting rod, and connecting rod is fixed on cabinet by the bent plate constraint of leading.
As preferably, described latching device comprises: rotation axis, torsion spring, the second drive plate, the axis of rolling, snap close roller, reseting pressuring spring and guide finger; Wherein, described the second drive plate is connected with described manual brake separating mechanism by described guide finger, described reseting pressuring spring is arranged on described guide finger, and described snap close roller and torsion spring are all fixed on described guide finger, and the described axis of rolling and rotation axis are divided into the both sides of described snap close roller.
As preferably, in the middle of described cabinet, be provided with the first dividing plate and second partition, described the first dividing plate and second partition are vertically divided into 3 assembly spaces by cabinet.
Compared with prior art, the utlity model has following advantage: used for vacuum contactor-fuse combined electric appliance electromagnetic operating mechanism of the present utility model, by optimizing energized circuit, particularly electromagnetism brake separating mechanism, adopt the magnetic loop design of closed type, avoided the defect of traditional beating type electromagnet, improved the utilance of magnetic energy, greatly reduced the power of switching winding, made its life-span longer, stable startup ampere-turn is low, and long-time running power consumption is lower; Each motion is simple and reliable, and in cabinet, the parts of compact arrangement ，Ge mechanism and cabinet form an integrated mechanism, makes to assemble, debugs, tests more convenient, makes that product is better at operating period internal stability, mechanical endurance is longer.
Accompanying drawing explanation
Fig. 1 is the floor map of the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance in the utility model one embodiment;
Fig. 2 is the schematic perspective view of electromagnetism brake separating mechanism and manual brake separating mechanism in the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance of the utility model one embodiment.
In figure: 1-cabinet;
2-transmission main shaft, 21-three-phase connecting lever, 22-rotating spindle, 23-drive connecting lever, 24-the first drive plate, 25-energy-storage crank arm, the auxiliary connecting lever of 26-;
3-solenoid operated closing mechanism, 31-closing coil, 32-combined floodgate iron core, 33-combined floodgate armature, 34-first install bent plate;
4-electromagnetism brake separating mechanism, 41-switching winding, the moving iron core of 42-, 43-connector, 44-second install bent plate;
5-tripping spring, 51-connecting rod, 52-guiding bent plate, 53-nut, 54-spacer;
6-manual brake separating mechanism, 61-separating brake bent plate, 62-separating brake push rod;
7-latching device, the 71-axis of rolling, 72-snap close roller, 73-torsion spring, 74-rotation axis, 75-the second drive plate, 76-guide finger, 77-reseting pressuring spring;
8-lock dog, 9-cushion pad, 10-the first bent plate, 11-double-screw bolt, 12-the second bent plate.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.It should be noted that, the utility model accompanying drawing all adopts the form of simplification and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
Please refer to Fig. 1 and Fig. 2, the electromagnetic operating mechanism of the used for vacuum contactor-fuse combined electric appliance that the utility model provides, comprising:
Cabinet 1;
Transmission main shaft 2, is fixed on described cabinet 1, carries out energy transmission;
Solenoid operated closing mechanism 3, is fixed on described cabinet 1 bottom, and is connected with described transmission main shaft 2, for realizing the energy storage of tripping spring 5;
Electromagnetism brake separating mechanism 4, is fixed on the column of described cabinet 1, for realizing separating brake action;
Tripping spring 5, is fixed on described cabinet 1 and with described transmission main shaft 2 and is connected;
Combined floodgate mechanical retaining means, comprises the lock dog 8 being arranged on transmission main shaft 2 and is arranged on the latching device 7 on electromagnetism brake separating mechanism 4;
Manual brake separating mechanism 6, is arranged on cabinet 1 by double-screw bolt 11, and it comprises: separating brake bent plate 61 and separating brake push rod 62, and one end of described separating brake bent plate 61 is connected with combined floodgate mechanical retaining means, and the other end of described separating brake bent plate 61 is connected with described separating brake push rod 62.
The utlity model has compact conformation, extendible performance is good, can meet the design of different spaced apart, in addition by calculating the magnetic field of its operating mechanism is accurate, optimize energized circuit, make that product is stable starts that ampere-turn is low, long-time running is low in energy consumption, has improved the life-span of used for vacuum contactor-fuse combined electric appliance and the stability in useful life.
Continue referring to Fig. 1, described transmission main shaft 2 comprises: rotating spindle 22, three-phase connecting lever 21, driving connecting lever 23, energy-storage crank arm 25 and auxiliary connecting lever 26; Described rotating spindle 22 is fixed on described cabinet 1 by a main shaft bearing (not shown) pivot joint; Described three-phase connecting lever 21, driving connecting lever 23, energy-storage crank arm 25 are all connected with described rotating spindle 22 with auxiliary connecting lever 26, are welded with the first drive plate 24 on described driving connecting lever 23.Particularly, described transmission main shaft 2 passes to energy by three-phase connecting lever 21 moving contact of vacuum interrupter, to realize separating brake and feed motion; Described auxiliary connecting lever 26 is for realizing the switching of divide-shut brake.
Further, on described the first drive plate 24, the first bent plate 10, cushion pad 9 and adhesive armature (not shown) are installed.Wherein, cushion pad 9, for absorbing the dump energy after separating brake, reduces separating brake action to the impact of cabinet 1 and suppresses bounce-back.Adhesive armature is used for realizing combined floodgate adhesive.
As preferably, described main shaft bearing is provided with bearing holder (housing, cover) (not shown), the intrinsic collar of described bearing holder (housing, cover) internal perisporium, and the described collar is Nonlubricated bearing.It is low that this structure has cost, saves design time, and mechanical performance is high, long service life and reliability high, and without waste oil recycling, be conducive to environmental protection.
As preferably, described solenoid operated closing mechanism 3 comprises: closing coil 31, combined floodgate iron core 32, combined floodgate armature 33 and first are installed bent plate 34.Wherein, described closing coil 31 is fixed on described first by described combined floodgate iron core 32 and installs on bent plate 34, and described combined floodgate armature 33 is arranged at described closing coil 31 and first and installs between bent plate 34.Particularly, during described solenoid operated closing mechanism 3 work: closing coil 31 obtains electric excitation, adhesive is arranged on the adhesive armature on transmission main shaft 2, drive transmission main shaft 2 mass motions, by energy-storage crank arm 25, realized the energy storage of tripping spring 5 simultaneously, three-phase connecting lever 21 passes to energy the moving contact of vacuum interrupter, realizes feed motion, the maintenance that realizes "on" position by lock dog 8 and the latching device 7 of combined floodgate mechanical retaining means after closing coil 31 dead electricity.
As preferably, described electromagnetism brake separating mechanism 4 comprises: switching winding 41, moving iron core 42, connector 43 and second are installed bent plate 44.Wherein, described switching winding 41 windings are at described moving iron core 42 1 circles, and described switching winding 41 and moving iron core 42 are installed bent plate 44 by described second and be fixed on the column of described cabinet 1, and are connected with described combined floodgate mechanical retaining means by connector 43.Particularly, during described electromagnetism brake separating mechanism 4 work: switching winding 41 is fixing, moving iron core 42 actions, drive latching device 7 actions in combined floodgate mechanical retaining means, latching device 7 is threaded off, and the tripping spring 5 that has stored up energy when closing a floodgate is converted into elastic potential energy the kinetic energy of transmission main shaft 2.
As preferably, described electromagnetism brake separating mechanism 4 also comprises and is arranged at outer the second bent plate 12 for strengthening fixing of described cabinet 1.
As preferably, described tripping spring 5 comprises: spring (not marking in figure), connecting rod 51, guiding bent plate 52 and spacer 54, wherein, described spring is stage clip structure, spacer 54 is equipped with at two ends, and one end stop of described spring is in the guiding bent plate 52 being fixed on cabinet 1, and other end stop is in the first stop, described spring is connected with transmission main shaft 2 by connecting rod 51, and connecting rod 51 is fixed on cabinet 1 by 52 constraints of guiding bent plate.Further, described the first stop adopts nut 53.
As preferably, described latching device 7 comprises: rotation axis 74, torsion spring 73, the second drive plate 75, the axis of rolling 71, snap close roller 72, reseting pressuring spring 77 and guide finger 76.Wherein, described the second drive plate 75 is connected with described manual brake separating mechanism 6 by described guide finger 76, described reseting pressuring spring 77 is arranged on described guide finger 76, described snap close roller 72 and torsion spring 73 are all fixed on described guide finger 76, and the described axis of rolling 71 and rotation axis 74 are divided into the both sides of described snap close roller 72.
Preferably, described manual brake separating mechanism 6 also comprises a manual opening button (not shown), and by manual brake separating button, second drive plate 75 that can make separating brake bent plate 61 promote latching device 7 moves backward, realizes the dropout of combined floodgate mechanical retaining means.The tripping spring 5 that has stored up energy when closing a floodgate is converted into elastic potential energy the kinetic energy of transmission main shaft 2; Meanwhile, the second drive plate 75 resets under the effect of reseting pressuring spring 77 and torsion spring 73, and the three-phase connecting lever 21 of transmission main shaft 2 passes to energy the moving contact (not sign) of vacuum interrupter, realizes separating brake action.
It should be noted that, in the space of the cabinet 1 in the present embodiment, be also provided with the known assembling of the electrical control for operating mechanism operating state, the utility model does not repeat them here.
As preferably, in described cabinet 1, be also provided with the first dividing plate and second partition, described the first dividing plate and second partition are vertically divided into 3 assembly spaces by cabinet, are from left to right respectively the first assembly space, the second assembly space and the 3rd assembly space.The first assembly space is for the installation of electrical control components and parts; The second assembly space is for the installation of solenoid operated closing mechanism 3, electromagnetism brake separating mechanism 4 and manual brake separating mechanism 6, and the drive part of transmission main shaft 2 is also positioned at the second assembly space, and the second assembly space close structure is the core of whole electromagnetic operating mechanism; The 3rd assembly space is for the assembling of tripping spring 5.
Please refer to Fig. 1 and Fig. 2, in the present embodiment, the realization of the electromagnetic operating mechanism function of used for vacuum contactor-fuse combined electric appliance divides following process:
1, energy storage closing process: the closing coil 31 of solenoid operated closing mechanism 3 obtains electric excitation, the magnetic field adhesive producing is arranged on the adhesive armature on the first drive plate 24 of transmission main shaft 2, drive transmission main shaft 2 to rotate, energy-storage crank arm 25 drives tripping spring 5 energy storage, three-phase connecting lever 21 passes to energy the moving contact of vacuum interrupter, realize feed motion, the maintenance that realizes "on" position by lock dog 8 and the latching device 7 of combined floodgate mechanical retaining means after closing coil 31 dead electricity.
2, sub-switching operation: the switching winding 41 of electromagnetism brake separating mechanism 4 obtains electric excitation, moving iron core 42 actions, connector 43 drives the second drive plate 75 actions (or moving opening button of hand over hand of latching device 7 in combined floodgate mechanical retaining means, the second drive plate 75 that the separating brake bent plate 61 of manual brake separating mechanism 6 promotes latching device 7 moves backward), realize the dropout of combined floodgate mechanical retaining means, reseting pressuring spring 77 and torsion spring 73 are realized reset energy storage simultaneously, and the tripping spring 5 that has stored up energy when closing a floodgate is converted into elastic potential energy the kinetic energy of transmission main shaft 2.Meanwhile, the second drive plate 75 resets under the effect of reseting pressuring spring 77 and torsion spring 73, and the three-phase connecting lever 21 of transmission main shaft 2 passes to energy the moving contact of vacuum interrupter, realizes separating brake action.
To sum up, used for vacuum contactor-fuse combined electric appliance electromagnetic operating mechanism of the present utility model, by optimizing energized circuit, particularly electromagnetism brake separating mechanism 4, adopt the magnetic loop design of closed type, avoided the defect of traditional beating type electromagnet, improved the utilance of magnetic energy, greatly reduced the power of switching winding, made its life-span longer, stable startup ampere-turn is low, and long-time running power consumption is lower; Each motion is simple and reliable, at the parts of the interior compact arrangement ，Ge of cabinet 1 mechanism and cabinet 1, forms an integrated mechanism, make assemble, debug, test more convenient, make product operating period internal stability better, mechanical endurance is longer.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these change and modification.
Claims (10)
1. an electromagnetic operating mechanism for used for vacuum contactor-fuse combined electric appliance, is characterized in that, comprising:
Cabinet;
Transmission main shaft, is fixed on described cabinet, carries out energy transmission;
Solenoid operated closing mechanism, is fixed on described cabinet bottom, and is connected with described transmission main shaft, for realizing the energy storage of tripping spring;
Electromagnetism brake separating mechanism, is fixed on the column of described cabinet, for realizing separating brake action;
Tripping spring, is fixed on described cabinet and with described transmission main shaft and is connected;
Combined floodgate mechanical retaining means, comprises the lock dog being arranged on transmission main shaft and is arranged on the latching device on electromagnetism brake separating mechanism;
Manual brake separating mechanism, is arranged on cabinet by double-screw bolt, and it comprises: separating brake bent plate and separating brake push rod, and one end of described separating brake bent plate is connected with combined floodgate mechanical retaining means, and the other end of described separating brake bent plate is connected with described separating brake push rod.
2. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 1, is characterized in that, described transmission main shaft comprises: rotating spindle, three-phase connecting lever, driving connecting lever, energy-storage crank arm and auxiliary connecting lever;
Described rotating spindle is fixed on described cabinet by a main shaft bearing pivot joint;
Described three-phase connecting lever, driving connecting lever, energy-storage crank arm are all connected with described rotating spindle with auxiliary connecting lever, on described driving connecting lever, are welded with the first drive plate.
3. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 2, is characterized in that, on described the first drive plate, the first bent plate, cushion pad and adhesive armature is installed.
4. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 2, is characterized in that, described main shaft bearing is provided with bearing holder (housing, cover), the intrinsic collar of described bearing holder (housing, cover) internal perisporium, and the described collar is Nonlubricated bearing.
5. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 1, it is characterized in that, described solenoid operated closing mechanism comprises: closing coil, combined floodgate iron core, combined floodgate armature and first are installed bent plate, described closing coil is fixed on described first by described combined floodgate iron core and installs on bent plate, and described combined floodgate armature is arranged at described closing coil and first and installs between bent plate.
6. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 1, it is characterized in that, described electromagnetism brake separating mechanism comprises: switching winding, moving iron core, connector and second are installed bent plate, wherein, described switching winding winding is at described moving iron core one circle, described switching winding and moving iron core are installed bent plate by described second and are fixed on the column of described cabinet, and are connected with described combined floodgate mechanical retaining means by connector.
7. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 6, is characterized in that, described electromagnetism brake separating mechanism also comprises and is arranged at outer the second bent plate for strengthening fixing of described cabinet.
8. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 1, is characterized in that, described tripping spring comprises: spring, connecting rod, guiding bent plate and spacer, and wherein, described spring is stage clip structure, spacer is equipped with at two ends; One end stop of described spring is in the guiding bent plate being fixed on cabinet, and other end stop is in the first stop, and described spring is connected with transmission main shaft by connecting rod, and connecting rod is fixed on cabinet by the bent plate constraint of leading.
9. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 1, is characterized in that, described latching device comprises: rotation axis, torsion spring, the second drive plate, the axis of rolling, snap close roller, reseting pressuring spring and guide finger; Wherein, described the second drive plate is connected with described manual brake separating mechanism by described guide finger, described reseting pressuring spring is arranged on described guide finger, and described snap close roller and torsion spring are all fixed on described guide finger, and the described axis of rolling and rotation axis are divided into the both sides of described snap close roller.
10. the electromagnetic operating mechanism of used for vacuum contactor-fuse combined electric appliance as claimed in claim 1, is characterized in that, in the middle of described cabinet, is provided with the first dividing plate and second partition, and described the first dividing plate and second partition are vertically divided into 3 assembly spaces by cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478474.8U CN203434015U (en) | 2013-08-06 | 2013-08-06 | Electromagnetic operating mechanism for vacuum contactor and fuse composite apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478474.8U CN203434015U (en) | 2013-08-06 | 2013-08-06 | Electromagnetic operating mechanism for vacuum contactor and fuse composite apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434015U true CN203434015U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320478474.8U Expired - Lifetime CN203434015U (en) | 2013-08-06 | 2013-08-06 | Electromagnetic operating mechanism for vacuum contactor and fuse composite apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441006A (en) * | 2013-08-06 | 2013-12-11 | 江苏森源电气股份有限公司 | Electromagnetic operating mechanism for vacuum contactor-fuse combined electric appliance |
| CN103606487A (en) * | 2013-10-29 | 2014-02-26 | 江苏森源电气股份有限公司 | Brake-separating mechanism for contactor |
-
2013
- 2013-08-06 CN CN201320478474.8U patent/CN203434015U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441006A (en) * | 2013-08-06 | 2013-12-11 | 江苏森源电气股份有限公司 | Electromagnetic operating mechanism for vacuum contactor-fuse combined electric appliance |
| CN103441006B (en) * | 2013-08-06 | 2016-06-22 | 江苏森源电气股份有限公司 | The electromagnetic operating mechanism of vacuum contactor-fuse combined electric appliance |
| CN103606487A (en) * | 2013-10-29 | 2014-02-26 | 江苏森源电气股份有限公司 | Brake-separating mechanism for contactor |
| CN103606487B (en) * | 2013-10-29 | 2016-02-03 | 江苏森源电气股份有限公司 | Contactor brake separating mechanism |
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Granted publication date: 20140212 |
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