CN102683127B - A kind of manual motor starter - Google Patents
A kind of manual motor starter Download PDFInfo
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- CN102683127B CN102683127B CN201210162583.9A CN201210162583A CN102683127B CN 102683127 B CN102683127 B CN 102683127B CN 201210162583 A CN201210162583 A CN 201210162583A CN 102683127 B CN102683127 B CN 102683127B
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Abstract
A kind of manual motor starter, comprise the controlling organization of rotation, operating mechanism, pressing plate, contact system, described operating mechanism comprises shaft-like rocking handle, quadric chain, one end of described shaft-like rocking handle connects with controlling organization, the other end is fixedly connected with quadric chain one end, the quadric chain other end is connected with pressing plate, pressing plate rotates around the fixed axis of its one end under the effect of operating system, the other end is connected with contact system, coordinate with contact system realize dynamic/static contact point/closing operation.This manual motor starter impact is little, rapid operation, structure simple, avoids the shock of discontinuous contact in saltus step process, little to device damage, reduces impulsive force when mechanism divides/closes a floodgate and, to the destroying infection of vital part, improves the life-span of mechanism.
Description
Technical field
The present invention relates to power domain, in particular, relate to a kind of manual motor starter.
Background technology
Usually, manual motor starter is as a kind of switching device, and when circuit produces improper electric current, as electricity is not enough, short circuit, the phenomenons such as overload, manual motor starter can disconnect the power supply of motor automatically, realizes the protection to motor.
Manual motor starter is provided with a test section for detection failure electric current, a switching mechanism responded from the detection signal detected, one interlocks to open or the contact part of opening and closing current path with the operation of switching mechanism, and one for eliminating and opening in the contact of contact part time produce the extinguishing arc part of electric arc.
As known in this field, manual motor starter comprises the test section of the generation for detecting accidental electric current, response is the operating mechanism of action from the detection signal of test section, one interlocks to open or the contact system of close current path with operating mechanism, and the extinguishing arc part of the electric arc produced when opening in the contact of contact part for extinguishing arc.
The operating mechanism of Siemens shown in Fig. 1 (Siemens) electro-magnetic circuit breaker 100A, its kind of drive is: manpower driven wheel handle 1, gear handle drives interlocking assembly 2 to rotate, the driven wheel 3a of the interlocking gear 2a engages drive bar 3 of interlocking assembly 2, drive rod 3 rotates about it axle 3c and rotates, and the other end of drive rod 3 is provided with projection 3b.Control lever 4 has the crank hole 4a formed by control lever 4, this crank hole 4a has the hole circle week 4b on the opposite end being formed in this crank hole 4a, the projection 3b of logical drive rod 3 inserts in shown pores circumference 4b, therefore, this control lever 4 can be rotated around this control lever rotation axis 5 by the rotation of drive rod 3 by predetermined angular range, realizes separating brake, closing operation.
In this type of mechanism, as shown in Figure 3, interlocking assembly 2 coordinates driving drive rod 3 by gear to its driving-chain, and drive rod 3 is drived control bar 4 again.Therefore, this transmission mechanism has 3 kinematic links, and contact friction is 3 right to having.In the handle apparatus of the existing manual motor starter of said structure, the projection 3b of the drive rod 3 be made up of synthetic resin contacts with the hole circle week 4b of the crank hole 4a of the control lever 4 be made of metal discontinuously, is moved by the rotation of handle 1 simultaneously.Therefore, the projection 3b of the drive rod 3 be made up of synthetic resin easily weares and teares.
Documents CN1323412C discloses a kind of switching mechanism for manual motor starter on June 27th, 2007, the product of LG electro-magnetic circuit breaker 100A existing product structure and Xisi door (Siemens) electro-magnetic circuit breaker 100A, all adopts this class formation.As shown in Figure 3, switching mechanism comprises the locking 2 that has the main body extended from vertical direction, its leg 2a is formed in main body lower end, and its beak part 2b extends from body top horizontal direction, and this locking 2 rotates around rotating shaft 2c during the trip operation of switching mechanism, locking fixture 4 can be rotated by the thrust of the locking 2 of rotation, with locking or release locking 2: trip signal bar 5, be arranged in the rotating range of beak part 2b of locking 2, for locking locking fixture 4 or for being rotated by the pressure of beak part 2b when locking 2 rotates: with release lever 3, it has a lock portion, for the head 4c that the top locking or be released in locking fixture 4 is formed, with a leg, for receiving a thrust from trip signal bar 5, the thrust that this release lever 3 is rotated by trip signal bar 5 and applies and rotating, to discharge locking fixture 4.In this class formation, locking 2 is sealed with locking fixture 4, is realized by strong impaction.Therefore create strong impaction power, its strong impaction power also must be transmitted to the vital part in structure, easily causes part injury or misoperation, and for circuit breaker, separating brake, the closing operation of motor starter are more frequent, and part is easy damaged more.
In sum, prior art at least deposits problem both ways:
(1) operating physical force is excessive, and manpower is difficult to twist handle, has model machine product handle to twist off phenomenon.
(2) vital part easy fracture.When ensureing contact pressure, energy-stored spring must provide sizable power.Switching process, the impact of mechanism is large, larger to working of plastics aging effects.Working of plastics is subject to larger impact, easily ruptures, failure mechanisms.
Summary of the invention
Technical problem to be solved by this invention is to provide the manual motor starter that a kind of impact is little, rapid operation, structure are simple, reliability is high.
The object of the invention is to be achieved through the following technical solutions:
A kind of manual motor starter, comprise the controlling organization 100 of rotation, operating mechanism 200, contact system 400, described operating mechanism 200 comprises shaft-like rocking handle 210, quadric chain 220, one end of described shaft-like rocking handle 210 connects with controlling organization 100, the other end is fixedly connected with quadric chain 220 one end, quadric chain 220 other end is connected with contact system 400, under the effect of controlling organization 100 quadric chain 220 coordinate with contact system 400 realize dynamic/static contact point/closing operation.
Preferably, pressing plate 300 is also comprised between described operating mechanism 200 and contact system 400, described quadric chain 220 is connected with pressing plate 300, pressing plate 300 rotates around the fixed axis of its one end under the effect of operating system 200, the other end is connected with contact system 400, coordinate with contact system 400 realize dynamic/static contact point/closing operation.The contact of 400 each phases is stressed more even by pressing plate 300, contact to be supported, plays a protective role to dynamic/static contact.
Preferably, described controlling organization 100 comprises rotary handle 110 and track push pedal 120, and one end of track push pedal 120 follows the bottom of rotary handle 110 to be fixedly connected with, and the other end of track push pedal 120 is provided with chute, and described shaft-like rocking handle 210 inserts in described chute.Respectively there is a track sliding surface at chute two ends, control shaft-like rocking handle respectively and move toward different directions, realize dividing/closing operation.
Preferably, described operating mechanism 200 also comprise snap close 231, detain 232 again, tripping 233, support 240, main extension spring 250; Described quadric chain 220 comprises first connecting rod 221, triangular coupling rod 222, second connecting rod 223, conversion connecting rod 224, push rod 245; First connecting rod 221 one end is fixedly connected with shaft-like rocking handle 210, and the other end is fixed on support 240 by pivot point 2212; Triangular coupling rod 222 is connected by the second main extension spring axle 2502 with one end of second connecting rod 223, second connecting rod 223 other end is flexibly connected with conversion connecting rod 224 one end, the centre of conversion connecting rod 224 is connected with support 240 by transaxle 2241, and one end is connected with push rod 245 in addition; First connecting rod 221 and shaft-like rocking handle 210 junction are provided with the first main extension spring axle 2501, and main extension spring 250 one end hangs on the first main extension spring axle 2501, and the other end hangs on the second main extension spring axle 2502; Snap close 231 and detain 232 again and be respectively arranged on support 240 by a bearing pin, tripping 233 one end is rack-mount by the first tripping axle 2331, be connected with triangular coupling rod 222 by the second tripping axle 2332 in the middle of tripping 233, tripping 223 other end can fasten with snap close 231 and trip.
Preferably, described contact system 400 comprises fixed contact 410, moving contact 420, contact supporter 430, be provided with the elastomeric element be connected with moving contact 420 in contact supporter 430, moving contact 420 up moves until dynamic/static contact contacts under the effect of elastomeric element elastic force.
Preferably, with the boss of grinding tooth structure or groove bottom described rotary handle 110, accordingly, described track push pedal 120 is also provided with groove or the boss of corresponding grinding tooth structure.
Preferably, described operating mechanism 200 also comprises stopping means 260, the limited mouth 261 that described stopping means 260 comprises limiting plate 262 and is arranged on limiting plate 262, and it is spacing that limited mouth 261 and the limit shaft 2211 be arranged on first connecting rod 221 carry out interlocking.
Preferably, described shaft-like rocking handle 210 is threaded thread spindle.
Preferably, be fixed by screw between described rotary handle 110 and track push pedal 120, paste, weld, rivet in one or more modes be fixed.
Present invention employs controlling organization and the multi-link structure of rotation, just can be transferred on pressing plate by dynamic orbit smoothing by shaft-like rocking handle and quadric chain, band dynamic pressure plate moves up and down, and realizes breaking-closing operating.Power between connecting rod can smoothly transmission, and compare discontinuous contact transmission, frictional force is little, can reduce lever operated power, makes turn handle action message.Bar linkage structure has good handling, accurately can control the motion of pressing plate, without the need to adopt spring energy-storage can realize between dynamic and static contact steadily point, close, avoid the shock of discontinuous contact in saltus step process, little to device damage, when reducing mechanism is divided/closed a floodgate, impulsive force is to the destroying infection of vital part, improves the life-span of mechanism.
Accompanying drawing explanation
The operating mechanism schematic diagram of Tu1Shi Siemens (Siemens) electro-magnetic circuit breaker 100A;
Fig. 2 is the transmission schematic diagram of Fig. 1 operating mechanism;
Fig. 3 is the schematic diagram of documents CN1323412C switching mechanism;
Fig. 4 is embodiment of the present invention gate-dividing state overall schematic;
Fig. 5 is embodiment of the present invention "on" position overall schematic;
Fig. 6 is embodiment of the present invention operating mechanism decomposing schematic representation;
Fig. 7 is embodiment of the present invention operating mechanism connection diagram;
Fig. 8 is embodiment of the present invention operating mechanism gate-dividing state schematic diagram;
Fig. 9 is embodiment of the present invention operating mechanism "on" position schematic diagram;
Figure 10 is embodiment of the present invention operating mechanism trip free view;
Figure 11 is that embodiment of the present invention operating mechanism detains view again;
Figure 12 is embodiment of the present invention operating mechanism stopping means schematic diagram;
Wherein: 100, controlling organization; 110, rotary handle; 120, track push pedal; 12a, track sliding surface; 200, operating mechanism; 210, shaft-like rocking handle; 220, quadric chain; 221, first connecting rod; 222, triangular coupling rod; 223, second connecting rod; 224, conversion connecting rod; 225, push rod; 231, snap close; 232, detain again; 233, tripping; 240, support; 250, main extension spring; 260, stopping means; 261, limited mouth; 262, limiting plate; 300, pressing plate; 400, contact system; 410, fixed contact; 420, moving contact; 430, contact supporter; 2211, limit shaft; 2212, pivot point; 2241, transaxle; 2331, the first tripping axle; 2332, the second tripping axle; 2501, the first main extension spring axle; 2502, the second main extension spring axle.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
As shown in Figure 4, Figure 5, a kind of manual motor starter, this manual motor starter comprises controlling organization 100, operating mechanism 200, pressing plate 300, the contact system 400 of rotation.Described operating mechanism 200 comprises shaft-like rocking handle 210, quadric chain 220, shaft-like rocking handle 210 one end is connected with controlling organization 100, the other end is connected with quadric chain 220 one end, the other end of quadric chain 220 is connected with pressing plate 300, described pressing plate 300 is connected with contact system 400, pressing plate 300 rotates around the fixed axis of its one end under the drive of operating mechanism 200, the other end moves up and down and to coordinate with contact system 400, the action of the moving contact 420 of realization thus to carry out point/closing operation.The whirligig that controlling organization 100 adopts strength steady and level and smooth, is combined with quadric chain, can effectively reduce the impact of contact.
Described controlling organization 100 comprises rotary handle 110 and track push pedal 120; one end of track push pedal 120 follows the bottom of rotary handle 110 to be fixedly connected with; its other end is provided with chute; described shaft-like rocking handle 210 inserts in described chute; chute has two track sliding surface 12a; guide shaft-like rocking handle 210 respectively toward different directions motion, realize breaking-closing operating.With the boss of grinding tooth structure or groove bottom rotary handle 110, accordingly, described track push pedal 120 is also provided with groove or the boss of corresponding grinding tooth structure.The moment of rotary handle 110 in rotary course, evenly, reliably can be passed to track push pedal 120 by grinding tooth structure, connects more reliable.Can be fixed by screw between rotary handle 110 and track push pedal 120, paste, weld, the mode such as riveted joint is fixed.
The quadric chain 220 of described operating mechanism 200, comprise first connecting rod 221, triangular coupling rod 222, second connecting rod 223, conversion connecting rod 224, push rod 245, first connecting rod 221 is fixedly connected with shaft-like rocking handle 210, push rod 245 is connected with pressing plate 300, described shaft-like rocking handle 210 can select threaded thread spindle, also can be ganoid common rocking bar.
Described contact system 400 comprises fixed contact 410, moving contact 420, contact supporter 430, the elastomeric element be connected with moving contact 420 is provided with in contact supporter 430, as spring (not shown), moving contact 420 up moves under the effect of elastomeric element elastic force, drives moving contact 420 up until dynamic/static contact contacts.
The present embodiment also can omit pressing plate 300; quadric chain 220 is directly connected with contact system 400; coordinate with contact system 400 and realize dividing/closing operation, the contact of 400 each phases is stressed more even preferably by pressing plate 300, contact to be supported, plays a protective role to dynamic/static contact.
As shown in Figure 6, Figure 7, operating mechanism 200 also comprise snap close 231, detain 232 again, tripping 233, support 240, main extension spring 250.First connecting rod 221 one end is fixedly connected with shaft-like rocking handle 210, and the other end is fixed on support 240 by pivot point 2212 and moves around pivot point 2212; Triangular coupling rod 222 is connected by the second main extension spring axle 2502 with one end of second connecting rod 223, second connecting rod 223 other end is flexibly connected with conversion connecting rod 224 one end, the centre of conversion connecting rod 224 is connected with support 240 by transaxle 2241, one end is connected with the upper end of push rod 245 in addition, and the lower end of push rod 245 is connected with pressing plate 300; First connecting rod 221 and shaft-like rocking handle 210 junction are provided with the first main extension spring axle 2501, and main extension spring 250 one end hangs on the first main extension spring axle 2501, and the other end hangs on the second main extension spring axle 2502; Snap close 231 and detain 232 again and be respectively arranged on support 240 by a bearing pin, tripping 233 one end is rack-mount by the first tripping axle 2331, be connected with triangular coupling rod 222 by the second tripping axle 2332 in the middle of tripping 233, tripping 223 other end can fasten with snap close 231 and trip.
As shown in figures s-11, the manual motor starter course of work has four kinds of states, gate-dividing state, "on" position, trip free state, again buckle-like state.At gate-dividing state, under "on" position, snap close 231 fastens tripping 223, when manpower drives rotary handle 110, realize track push pedal 120 by grinding tooth structure to be synchronized with the movement, track push pedal 120 drives shaft-like rocking handle 210 by track sliding surface 12a, first connecting rod 221 and the first main extension spring axle 2501 move, under the traction of main extension spring 250, drive triangular coupling rod 222 and second connecting rod 223 to move by the second main extension spring axle 2502, second connecting rod 223 motion makes conversion connecting rod 224 rotarily drive push rod 225 and move upward downwards around the transaxle 2241 in the middle of it, push rod 225 by pressing plate 300 and contact system 400 each to moving contact contact, driving force is passed to pressing plate 300 with the direction of vertical pressing plate 300 by push rod 225, by power concentration to divide-shut brake direction, decrease the moment loss of driving force in other direction, pressing plate 300 coordinate with contact system 400 realize dynamic/static contact point/closing operation.Under gate-dividing state, push rod 225 is with dynamic pressure plate 300 to move downward, and the elastomeric element of contact system 400 is compressed, and dynamic/static contact is separated; Under "on" position, push rod 225 is with dynamic pressure plate 300 to move upward, and moving contact 420 up moves under elastomeric element effect, drives contact supporter 430 up, until dynamic/static contact contacts.
No matter which kind of improper mode is touched and detained 232 motions again and cause mechanical unlocking under "on" position, snap close 231 and tripping 223 are triped, the energy storage of main extension spring 250 is released, first connecting rod 221 is driven to move toward centre position, drive triangular coupling rod 222 and second connecting rod 223 to move simultaneously, now conversion connecting rod 230 obtains and rotates counterclockwise space, push rod 225 is driven down to move, pressing plate 300 contacts with fixed contact supporter 430, push rod 225 makes elastomeric element compress toward pressing down contact supporter 430, thus dynamic/static contact is opened, manual motor starter freedom of entry trip status.The quadric chain 220 of the present embodiment is a quadric chain in "on" position, and trip free state is a five-bar mechanism, and now first connecting rod 221 is in a free state, does not produce dynamic balance relation with support 240.
Under trip free state, the first connecting rod 221 of operating mechanism 200 is in the centre position of operating mechanism, now operating mechanism stress balance.Rotary handle 110 is driven toward separating brake direction; the grinding tooth structure of rotary handle can realize being synchronized with the movement of track push pedal 120; track push pedal 120 drives shaft-like rocking handle 210 to move by track sliding surface 12a; and then drive first connecting rod 221 to rotate around its pivot point 2212; collision tripping 223 makes tripping 223 and snap close 231 fasten; until first connecting rod 221 collides with support 240 and finally contacts static balance; manual motor starter enters buckle-like state again, and now contact system 400 is still positioned at open mode.
Rotary handle 110 is driven toward combined floodgate direction under buckle-like state again, shaft-like rocking handle 210 and first connecting rod 221 is driven to rotate around its pivot point 2212 by track push pedal 120, under the traction of main extension spring 250, drive triangular coupling rod 222 and second connecting rod 223 to move, second connecting rod 223 motion makes conversion connecting rod 224 rotarily drive push rod 225 around the transaxle 2241 in the middle of it to move upward, pressing plate 300 rotates around the fixed axis of its one end under the drive of push rod 225, the other end contacted with contact supporter 430 moves upward, moving contact 420 up moves under the effect of elastomeric element, drive contact supporter 430 up, until dynamic/static contact contacts.
As shown in figure 12, operating mechanism 200 can arrange a stopping means 260, makes the accurate stress balance of deviation post of shaft-like rocking handle 210 and first connecting rod 221.The limited mouth 261 that stopping means 260 comprises limiting plate 262 and is arranged on limiting plate 262, it is spacing that limited mouth 261 and the limit shaft 2211 be arranged on first connecting rod 221 carry out interlocking.
Present embodiment operating mechanism have employed quadric chain, can also adopt five-bar mechanism, the multi-connecting-rod mechanism of even more multistage number, but quadric chain is the most effective transmission.Motion principle is similar, does not repeat them here.
The present invention by rotate controlling organization and multi-link structure dynamic orbit smoothing is transferred on pressing plate 300, band dynamic pressure plate 300 move up and down, realize breaking-closing operating.Power between multi-connecting-rod mechanism can smoothly transmission, and compare discontinuous contact transmission, frictional force is little, more laborsaving, and avoids the shock of discontinuous contact in saltus step process, and device damage is little, longer service life.Multi-connecting-rod mechanism has good handling, accurately can control the motion of pressing plate 300, and realize steady point between moving contact 420, fixed contact 410, close, impact is little, extends the useful life of device.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. a manual motor starter, it is characterized in that, comprise the controlling organization (100) of rotation, operating mechanism (200), contact system (400), described operating mechanism (200) comprises shaft-like rocking handle (210), quadric chain (220), one end of described shaft-like rocking handle (210) connects with controlling organization (100), the other end is fixedly connected with quadric chain (220) one end, quadric chain (220) other end is connected with contact system (400), under the effect of controlling organization (100) quadric chain (220) coordinate with contact system (400) realize dynamic/static contact point/closing operation, described operating mechanism (200) also comprises support (240), main extension spring (250), described quadric chain (220) comprises first connecting rod (221), triangular coupling rod (222), second connecting rod (223), conversion connecting rod (224), push rod (225), first connecting rod (221) one end is fixedly connected with shaft-like rocking handle (210), and the other end is fixed on support (240) by pivot point (2212), triangular coupling rod (222) is connected by the second main extension spring axle (2502) with one end of second connecting rod (223), second connecting rod (223) other end is flexibly connected with conversion connecting rod (224) one end, the centre of conversion connecting rod (224) is connected with support (240) by transaxle (2241), and one end is connected with push rod (225) in addition, first connecting rod (221) and shaft-like rocking handle (210) junction are provided with the first main extension spring axle (2501), main extension spring (250) one end hangs on the first main extension spring axle (2501), and the other end hangs on the second main extension spring axle (2502).
2. manual motor starter as claimed in claim 1, it is characterized in that, pressing plate (300) is also comprised between described operating mechanism (200) and contact system (400), described quadric chain (220) is connected with pressing plate (300), pressing plate (300) rotates around the fixed axis of its one end under the effect of operating system (200), the other end is connected with contact system (400), coordinate with contact system (400) realize dynamic/static contact point/closing operation.
3. manual motor starter as claimed in claim 1 or 2, it is characterized in that, described controlling organization (100) comprises rotary handle (110) and track push pedal (120), one end of track push pedal (120) follows the bottom of rotary handle (110) to be fixedly connected with, the other end of track push pedal (120) is provided with chute, and described shaft-like rocking handle (210) is inserted in described chute.
4. manual motor starter as claimed in claim 3, is characterized in that, described operating mechanism (200) also comprises snap close (231), detains (232) again, tripping (233); Snap close (231) and detain (232) again and be respectively arranged on support (240) by a bearing pin, tripping (233) one end is rack-mount by the first tripping axle (2331), be connected with triangular coupling rod (222) by the second tripping axle (2332) in the middle of tripping (233), tripping (233) other end and snap close (231) fasten and trip.
5. manual motor starter as claimed in claim 1 or 2, it is characterized in that, described contact system (400) comprises fixed contact (410), moving contact (420), contact supporter (430), be provided with the elastomeric element be connected with moving contact (420) in contact supporter (430), moving contact (420) up moves until dynamic/static contact contacts under the effect of elastomeric element elastic force.
6. manual motor starter as claimed in claim 3, it is characterized in that, with the boss of grinding tooth structure or groove bottom described rotary handle (110), accordingly, described track push pedal (120) is also provided with groove or the boss of corresponding grinding tooth structure.
7. manual motor starter as claimed in claim 4, it is characterized in that, described operating mechanism (200) also comprises stopping means (260), described stopping means (260) comprises limiting plate (262) and is arranged on the limited mouth (261) on limiting plate (262), and it is spacing that limited mouth (261) and the limit shaft (2211) be arranged on first connecting rod (221) carry out interlocking.
8. manual motor starter as claimed in claim 1, it is characterized in that, described shaft-like rocking handle (210) is threaded thread spindle.
9. manual motor starter as claimed in claim 6, it is characterized in that, be fixed by screw between described rotary handle (110) and track push pedal (120), paste, weld, rivet in one or more modes be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162583.9A CN102683127B (en) | 2012-05-18 | 2012-05-18 | A kind of manual motor starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162583.9A CN102683127B (en) | 2012-05-18 | 2012-05-18 | A kind of manual motor starter |
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| Publication Number | Publication Date |
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| CN102683127A CN102683127A (en) | 2012-09-19 |
| CN102683127B true CN102683127B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210162583.9A Active CN102683127B (en) | 2012-05-18 | 2012-05-18 | A kind of manual motor starter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104022690B (en) * | 2014-06-25 | 2016-05-11 | 台安科技(无锡)有限公司 | The instantaneous feeding device of manual motor starter operating mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923992A (en) * | 2010-08-20 | 2010-12-22 | 上海电科电器科技有限公司 | Control and protection switch operating mechanism for electrical appliances |
| CN201804816U (en) * | 2010-09-27 | 2011-04-20 | 北京Abb低压电器有限公司 | Residual current operated protective circuit breaker and operating device thereof |
| CN202616154U (en) * | 2012-05-18 | 2012-12-19 | 上海诺雅克电气有限公司 | Manual motor starter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4304771C1 (en) * | 1993-02-17 | 1994-03-24 | Kloeckner Moeller Gmbh | Switching device for multi-phase motor protection switch - cooperates with release lever of external auxiliary switch upon overcurrent release |
| DE19754072C1 (en) * | 1997-12-05 | 1999-07-22 | Siemens Ag | Switchgear unit consisting of a switchgear and a coupled leading auxiliary switch |
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2012
- 2012-05-18 CN CN201210162583.9A patent/CN102683127B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923992A (en) * | 2010-08-20 | 2010-12-22 | 上海电科电器科技有限公司 | Control and protection switch operating mechanism for electrical appliances |
| CN201804816U (en) * | 2010-09-27 | 2011-04-20 | 北京Abb低压电器有限公司 | Residual current operated protective circuit breaker and operating device thereof |
| CN202616154U (en) * | 2012-05-18 | 2012-12-19 | 上海诺雅克电气有限公司 | Manual motor starter |
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Application publication date: 20120919 Assignee: ZHEJIANG CHINT ELECTRICS Co.,Ltd. Assignor: SHANGHAI NOARK ELECTRIC Co.,Ltd. Contract record no.: X2021330000593 Denomination of invention: A manual motor starter Granted publication date: 20150819 License type: Common License Record date: 20211025 |