CN102956403A - Straight-movement AC(Alternating Current) contactor with lock catch arranged at center - Google Patents
Straight-movement AC(Alternating Current) contactor with lock catch arranged at center Download PDFInfo
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- CN102956403A CN102956403A CN2012104239544A CN201210423954A CN102956403A CN 102956403 A CN102956403 A CN 102956403A CN 2012104239544 A CN2012104239544 A CN 2012104239544A CN 201210423954 A CN201210423954 A CN 201210423954A CN 102956403 A CN102956403 A CN 102956403A
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- dropout
- dead bolt
- fixed
- contactor
- separating brake
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Abstract
The invention relates to a straight-movement AC(Alternating Current) contactor with a lock catch arranged at the center, belonging to the technical field of low-voltage electric appliances. A moving contact is mounted on a moving mortice core, and a stationary contact is fixed on a stationary contact fixing stand which is fixed on a contactor base; a stationary magnet fixed on the contactor base is arranged between a hanger plate and the contactor base; and two attracting coils are arranged on the stationary magnet. The straight-movement AC contactor is characterized in that a lock catch mechanism is arranged at the central position of the stationary magnet between the two attracting coils; the lock catch mechanism comprises a spring bolt and a lock pin which is fixed on the hanger plate; the spring bolt is connected onto a brake separation tripping rack, and the brake separation tripping rack can restore automatically and is installed on a lock catch seat ; the lock catch seat is fixed on the stationary magnet; a brake separation tripper is correspondingly arranged at the outer end of a tripping force arm of the brake separation tripping rack; and the lower end of a stripping rod of the brake separation tripper contacts with the tripping force arm. The straight-movement AC contactor consumes no electric power and produces no noise during operation; the coils and the contacts can not easily be burned; and the straight-movement AC contactor is small in size, little in occupying room, and reasonable and compact in structure and is sensitive and reliable.
Description
Technical field
The present invention relates to a kind of central locked straight running alternating-current contactor, belong to the low voltage electrical apparatus technology field.
Background technology
A.C. contactor is the most widely used electric device in the electric equipment, straight AC contactor includes the dynamic and static contact of mutual correspondence, moving contact is installed on the movable lock pin, fixed contact is fixed on the fixed contact fixed mount, the fixed contact fixed mount is fixed on the Foundation Plate of Contactor, the bottom of movable lock pin is equipped with adhesive electromagnet moving magnet, and the static magnet of its corresponding below is installed on the Foundation Plate of Contactor.During work, by giving the power supply of adhesive electromagnet coil, produce suction thereby make between the dynamic and static magnet of electromagnet, by moving magnet pulling activity downwards lock pin, make dynamic and static contact closed.Solenoid at closure state adhesive electromagnet must remain energising.If solenoid outage, under back-moving spring, touch spring effect, movable lock pin will on move, dynamic and static contact is broken away from, finish disconnection.Power consumption is large during work, and noise is large, and easily burns coil or contact, poor reliability.
And the straight AC contactor of improved side bayonet type afterwards, although coil is not burnt in not power consumption of running, noiselessness, there is complex structure, take up room large, action is sensitive not easily burns the defective such as contact.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of central locked straight running alternating-current contactor is provided, and not only not power consumption of running, noiselessness neither burn coil and also be difficult for burning contact, and volume are little, takes up room little, and compact conformation is reasonable, and is sensitive reliable.
Central locked straight running alternating-current contactor of the present invention, include the moving of mutual correspondence, fixed contact, moving contact is installed on the movable lock pin, the bottom of movable lock pin is by the fixing moving magnet of adhesive electromagnet of link plate, fixed contact is fixed on the fixed contact fixed mount, the fixed contact fixed mount is fixed on the Foundation Plate of Contactor, the static magnet that is fixed on the Foundation Plate of Contactor is arranged between link plate and the Foundation Plate of Contactor, settle two pull-in windings on the static magnet, the center that it is characterized in that static magnet between two pull-in windings is provided with latching device, latching device comprises dead bolt and lock pin, lock pin is fixed on the link plate, dead bolt be connected to can automatically reset separating brake dropout frame on, separating brake dropout frame is installed on the snap close seat, the snap close seat is fixed on the static magnet, and the dropout arm of force outer end correspondence of separating brake dropout frame arranges the separating brake release, the release lever lower end of separating brake release and tripping force arm contact.
Wherein:
Separating brake dropout frame can have various ways, preferred following manner simple and compact for structure:
A kind ofly be, comprise dropout finger, connector, the dropout arm of force and trip shaft, dropout finger and the dropout arm of force are fixedly connected on respectively on the connector (playing connection function), connector is installed on the trip shaft, trip shaft is fixed on the snap close seat, the dropout torsion spring is installed on the trip shaft, and dead bolt is connected on the dropout finger.Wherein, dropout finger, connector and the dropout arm of force can be Split assembled structures independently, can be the overall structures of integral type also, satisfy instructions for use and get final product.
Another kind is: comprise dropout finger, the dropout arm of force and dropout rotating shaft, dropout finger and the dropout arm of force are fixedly connected on respectively in the dropout rotating shaft, and the dropout rotating shaft is installed on the snap close seat, and the dropout torsion spring is installed in the dropout rotating shaft, and dead bolt is connected on the dropout finger.
Dead bolt and separating brake dropout frame are flexibly connected, and are connected with bearing pin connection, bulb connection, have contact with formula connection and flange connection etc., and be simple, convenient and reliable flexibly.
Described dead bolt is supported on the dead bolt guiding mechanism, guarantees the dead bolt displacement.
Dead bolt guiding mechanism structure is multiple, can guarantee the dead bolt displacement all can, simple structure can be to consist of by being positioned at dead bolt dead bolt guide shaft and cant board up and down, the dead bolt guide shaft is fixed on the cant board.Dead bolt guide shaft suit guide shaft cover, axle sleeve rotates the friction that can reduce dead bolt and guide shaft, is beneficial to the movement of dead bolt.
Dropout arm of force outer end extend out to the Foundation Plate of Contactor outside, and the release lever upper end of separating brake release connects hand push button, the push-button reset spring is set, so that the present invention has manual breaking function concurrently on the hand push button.
The tongue mouth of described dead bolt is inclined-plane tongue mouth, makes dead bolt more easily slip into locked groove, finishes locking.Lock pin is the locking bar of conical head, is provided with locked groove near conical head on the locking bar.Lock pin can also be cross locking rod, is erected on the link plate, and namely lockpin ventilating is crossed connector or link is fixed on the link plate, can form the U character form structure of split.In like manner, be set with cylinder at cross locking rod, in like manner, cylinder rotates the friction that can reduce dead bolt and cross locking rod, is beneficial to the movement of dead bolt.
Two kinds of lock pins can adapt to the central locked straight running alternating-current contactor of different situations, in the reality, select according to installing space is different with bearing capacity.
The separating brake release is installed in the separating brake cover, and the separating brake cover is fixed on the Foundation Plate of Contactor, and is simple in structure, safe and reliable.
Latching device and the dropout arm of force, separating brake release and hand push button consist of centre-lock mechanism.
The present invention is owing to increasing centre-lock mechanism on the basis of former electromagnet, and simple in structure, lock-out state need not charged maintenance, and not power consumption, noiselessness be difficult for burning coil or probe of contactor, and reliable operation can slippages.
Operation principle and process:
During work, to the pull-in winding energising, the static magnet of adhesive electromagnet attracts moving magnet to move downward, and moving magnet drive activity lock pin moves down, thereby makes dynamic and static contact closed; Simultaneously movable lock pin drives link plate and moves down, and the locking bar on the link plate moves down simultaneously, promotes dead bolt outwards mobile, when locking bar moves down above the bolt lock allocation, dead bolt resets under separating brake is threaded off the effect of frame, dropout torsion spring again, and dead bolt locks locking bar, the pull-in winding outage.When the needs disjunction, give the release electromagnet coil electricity of separating brake release (a kind of no-voltage release commonly used), under the effect of release electromagnet, it is outwards mobile that the dropout arm of force of the release lever striking dropout frame of separating brake release, the dropout arm of force utilize lever principle to pull dead bolt, dead bolt goes out of lock, locking bar is released, and under the effect of back-moving spring, touch spring, moves on the movable lock pin, drive on the moving contact and move, moving contact and fixed contact are broken away from disconnect.
The present invention compared with prior art has following beneficial effect:
1, the mounting center latching device is simple in structure, has realized the with no pressure operation, not power consumption and noiselessness.
2, separating brake dropout frame adopts lever principle, and the dropout arm of force is longer, and tripping force is little, threads off sensitive, and handled easily is beneficial to the realization no-voltage trip.
3, dead bolt has moving guiding mechanism and contacts axle sleeve and cylinder rotatable parts, and running fix is accurate, rubs again little.
4, owing to the latching device compact and reasonable, volume is little, takes up room little, has satisfied the installation needs of A.C. contactor to the space.
5, be fitted with hand push button, make it have manual breaking function concurrently, convenient and reliable.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is centre-lock mechanism for implementing example 1 structural representation;
Fig. 3 is the A-A face cutaway view of Fig. 2;
Fig. 4 is the B-B face cutaway view of Fig. 2;
Fig. 5 is centre-lock mechanism for implementing example 2 structural representations;
Fig. 6 is the C-C face cutaway view of Fig. 5;
Fig. 7 is the D-D face cutaway view of Fig. 5;
Fig. 8 is the cross locking rod structural representation.
Among the figure: 1, static magnet; 2, locking bar; 3, link plate; 4, moving magnet; 5, touch spring; 6, movable lock pin; 7, fixed contact fixed mount; 8, hand push button; 9, separating brake release; 10, dead bolt guide shaft; 11, dead bolt; 12, dropout finger; 13, the dropout arm of force; 14, back-moving spring; 15, Foundation Plate of Contactor; 16, snap close seat; 17, cant board; 18, locked groove; 19-1,19-2, pull-in winding; 20, dropout torsion spring; 21, connector; 22, trip shaft; 23, dropout rotating shaft; 24, cross locking rod; 25, cylinder.
Embodiment
Below in conjunction with drawings and Examples the present invention is described further:
As shown in Figure 1 and Figure 2: the dynamic and static contact that the present invention includes mutual correspondence, moving contact is installed on the movable lock pin 6, the fixedly moving magnet 4 of adhesive electromagnet of link plate 3 is passed through in the bottom of movable lock pin 6, fixed contact is fixed on the fixed contact fixed mount 7, fixed contact fixed mount 7 is fixed on the Foundation Plate of Contactor 15, the static magnet 1 that is fixed on the Foundation Plate of Contactor 15 is arranged between link plate 3 and the Foundation Plate of Contactor 15, settle the center of static magnet 1 between two pull-in windings 19, two pull-in winding 19-1,19-2 to be provided with latching device on the static magnet 1.
Such as Fig. 2, Fig. 3 and shown in Figure 4: latching device comprises dead bolt 11 and lock pin, lock pin is fixed on the link plate 3, dead bolt 11 be connected to can automatically reset separating brake dropout frame on, separating brake dropout frame is installed on the snap close seat 16, snap close seat 16 is fixed on the static magnet 1, the dropout arm of force 13 outer end correspondences of separating brake dropout frame arrange separating brake release 9, and the release lever lower end of separating brake release 9 contacts with the dropout arm of force 13; Separating brake dropout frame comprises dropout finger 12, connector 21, the dropout arm of force 13 and trip shaft 22, dropout finger 12 and the dropout arm of force 13 are fixedly connected on respectively on the connector 21, connector 21 is installed on the trip shaft 22, trip shaft 22 is fixed on the snap close seat 16, dropout torsion spring 20 is installed on the trip shaft 22, and dead bolt 11 is connected on the dropout finger 12; The dead bolt guiding mechanism consists of by being positioned at dead bolt guide shaft 10 and the cant board 17 of dead bolt about in the of 11, and dead bolt guide shaft 10 is fixed on the cant board 17, is set with the guide shaft cover on the dead bolt guide shaft 10; The dropout arm of force 13 outer ends extend out to Foundation Plate of Contactor 15 outsides, and the release lever upper end of separating brake release 9 connects hand push button 8, and the push-button reset spring is set on the hand push button 8.
As shown in Figure 8: the tongue mouth of dead bolt 11 is inclined-plane tongue mouth, and lock pin is cross locking rod 24, and the vertical rod by two ends is fixed on the link plate 3, is set with cylinder 25 at cross locking rod 24.
Operation principle and process:
When free state, moving contact and fixed contact are in released state under the effect of back-moving spring 14, touch spring 5.Dead bolt 11 rests on forward on the snap close seat 16 under the effect of dropout torsion spring 20, separating brake dropout frame.When adhesive, pull-in winding 19-1,19-2 power up the generation electromagnetic force, and the static magnet 1 of adhesive electromagnet attracts moving magnet 4 to move downward, and moving magnet 4 drive activity lock pins 6 move down, thereby make dynamic and static contact closed; Simultaneously movable lock pin 6 drives link plate 3 and moves down, locking bar 2 on the link plate 3 moves down simultaneously, promote dead bolt 11 outwards mobile, when locking bar 2 steps move down above dead bolt 11 position, dead bolt 11 resets under the effect of separating brake dropout frame, dropout torsion spring 20 again, and dead bolt 11 slides to locked groove 18, and locking bar 2 is pinned, at pull-in winding 19-1, when 19-2 stops power supply, moving contact and fixed contact still keep in touch closure.
When the needs disjunction, give the release electromagnet coil electricity of separating brake release 9, under the effect of release electromagnet, the dropout arm of force 13 of the release lever lower end striking separating brake dropout frame of separating brake release 9, it is outwards mobile that the dropout arm of force 13 utilizes lever principle to pull dead bolt 11, dead bolt 11 begins to break away from locked groove 18, when dead bolt 11 leaves the step of locking bar 2, locking bar 2 is released, and under the effect of back-moving spring 14, touch spring 5, moves on the movable lock pin 6, drive on the moving contact and move, moving contact and fixed contact are broken away from disconnect, at this moment, stop to power to release electromagnet.
Opening button is installed on dropout core top at separating brake release 9, presses opening button and can realize manual brake separating.
Embodiment 2:
Such as Fig. 5, Fig. 6, shown in Figure 7: separating brake dropout frame comprises dropout finger 12, the dropout arm of force 13 and dropout rotating shaft 23, dropout finger 12 and the dropout arm of force 13 are fixedly connected on respectively in the dropout rotating shaft 23, dropout rotating shaft 23 is installed on the snap close seat 16, dropout torsion spring 20 is installed in the dropout rotating shaft 23, and dead bolt 11 is connected on the dropout finger 12.All the other are with embodiment 1, and the action of the dropout arm of force 13 drives to dropout finger 12 by dropout rotating shaft 23, thereby make dead bolt 11 actions, have also reached same purpose, have realized same beneficial effect.
Can find out by above-described embodiment, the present invention is simple in structure, has realized the with no pressure operation, not power consumption and noiselessness; Tripping force reduces, and is easy to realize no-voltage trip; Volume is little, takes up room little, and compact conformation is reasonable, has satisfied the demand of A.C. contactor to the space; Equipped hand push button makes it have the advantage of manual breaking function concurrently.
Claims (11)
1. central locked straight running alternating-current contactor, include the moving of mutual correspondence, fixed contact, moving contact is installed on the movable lock pin (6), the fixedly moving magnet of adhesive electromagnet (4) of link plate (3) is passed through in the bottom of movable lock pin (6), fixed contact is fixed on the fixed contact fixed mount (7), fixed contact fixed mount (7) is fixed on the Foundation Plate of Contactor (15), the static magnet (1) that is fixed on the Foundation Plate of Contactor (15) is arranged between link plate (3) and the Foundation Plate of Contactor (15), upper two pull-in windings (19) of settling of static magnet (1), the center that it is characterized in that static magnet (1) between two pull-in windings (19) is provided with latching device, latching device comprises dead bolt (11) and lock pin, lock pin is fixed on the link plate (3), dead bolt (11) be connected to can automatically reset separating brake dropout frame on, separating brake dropout frame is installed on the snap close seat (16), snap close seat (16) is fixed on the static magnet (1), the dropout arm of force (13) the outer end correspondence of separating brake dropout frame arranges separating brake release (9), and the release lever lower end of separating brake release (9) contacts with the dropout arm of force (13).
2. central locked straight running alternating-current contactor according to claim 1, it is characterized in that separating brake dropout frame comprises dropout finger (12), connector (21), the dropout arm of force (13) and trip shaft (22), dropout finger (12) and the dropout arm of force (13) are fixedly connected on respectively on the connector (21), connector (21) is installed on the trip shaft (22), trip shaft (22) is fixed on the snap close seat (16), dropout torsion spring (20) is installed on the trip shaft (22), and dead bolt (11) is connected on the dropout finger (12).
3. central locked straight running alternating-current contactor according to claim 1, it is characterized in that separating brake dropout frame comprises dropout finger (12), the dropout arm of force (13) and dropout rotating shaft (23), dropout finger (12) and the dropout arm of force (13) are fixedly connected on respectively in the dropout rotating shaft (23), dropout rotating shaft (23) is installed on the snap close seat (16), dropout torsion spring (20) is installed in the dropout rotating shaft (23), and dead bolt (11) is connected on the dropout finger (12).
4. central locked straight running alternating-current contactor according to claim 1 is characterized in that dead bolt (11) and separating brake dropout frame are flexibly connected.
5. central locked straight running alternating-current contactor according to claim 1 is characterized in that dead bolt (11) is supported on the dead bolt guiding mechanism.
6. central locked straight running alternating-current contactor according to claim 5, it is characterized in that the dead bolt guiding mechanism consists of by being positioned at dead bolt (11) dead bolt guide shaft (10) and cant board (17) up and down, dead bolt guide shaft (10) is fixed on the cant board (17).
7. central locked straight running alternating-current contactor according to claim 6 is characterized in that being set with the guide shaft cover on the dead bolt guide shaft (10).
8. central locked straight running alternating-current contactor according to claim 1, the arm of force (13) outer end that it is characterized in that threading off extend out to Foundation Plate of Contactor (15) outside, and the release lever upper end of separating brake release (9) connects hand push button (8).
9. the described central locked straight running alternating-current contactor of arbitrary claim according to claim 1-8, the tongue mouth that it is characterized in that dead bolt (11) is inclined-plane tongue mouth, lock pin is the locking bar (2) of conical head, and locking bar (2) is upper to be provided with locked groove (18) near conical head.
10. the described central locked straight running alternating-current contactor of arbitrary claim according to claim 1-8, the tongue mouth that it is characterized in that dead bolt (11) is inclined-plane tongue mouth, lock pin is cross locking rod, is erected on the link plate (3).
11. central locked straight running alternating-current contactor according to claim 10 is characterized in that being set with on the cross locking rod axle sleeve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423954.4A CN102956403B (en) | 2012-10-30 | 2012-10-30 | Straight-movement AC(Alternating Current) contactor with lock catch arranged at center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423954.4A CN102956403B (en) | 2012-10-30 | 2012-10-30 | Straight-movement AC(Alternating Current) contactor with lock catch arranged at center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102956403A true CN102956403A (en) | 2013-03-06 |
| CN102956403B CN102956403B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210423954.4A Expired - Fee Related CN102956403B (en) | 2012-10-30 | 2012-10-30 | Straight-movement AC(Alternating Current) contactor with lock catch arranged at center |
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| Country | Link |
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| CN (1) | CN102956403B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545146A (en) * | 2013-10-28 | 2014-01-29 | 山东卓尔电气有限公司 | Center locking type straight-operation alternating current contactor |
| CN108461356A (en) * | 2018-05-04 | 2018-08-28 | 浙江中凯科技股份有限公司 | A kind of electromagnetic switch |
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| CN102412099A (en) * | 2011-08-08 | 2012-04-11 | 山东卓尔电气有限公司 | Locking mechanism for electromagnetic switch |
| CN102568934A (en) * | 2012-02-21 | 2012-07-11 | 山东卓尔电气有限公司 | Central locked straight running alternating-current contactor |
| CN203118875U (en) * | 2012-10-30 | 2013-08-07 | 山东卓尔电气有限公司 | Central fastener type straight-operation AC contactor |
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- 2012-10-30 CN CN201210423954.4A patent/CN102956403B/en not_active Expired - Fee Related
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| CN2919508Y (en) * | 2006-06-09 | 2007-07-04 | 范守忠 | Energy-saving device for AC contactor |
| CN201408716Y (en) * | 2009-04-29 | 2010-02-17 | 山东卓尔电气有限公司 | Lock-catch electromagnetic comprehensive leakage protector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545146A (en) * | 2013-10-28 | 2014-01-29 | 山东卓尔电气有限公司 | Center locking type straight-operation alternating current contactor |
| CN103545146B (en) * | 2013-10-28 | 2016-01-27 | 山东卓尔电气有限公司 | Central locked straight running alternating-current contactor |
| CN108461356A (en) * | 2018-05-04 | 2018-08-28 | 浙江中凯科技股份有限公司 | A kind of electromagnetic switch |
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| CN102956403B (en) | 2015-03-04 |
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Denomination of invention: Straight-movement AC(Alternating Current) contactor with lock catch arranged at center Effective date of registration: 20150629 Granted publication date: 20150304 Pledgee: Shandong science and technology finance Company limited by guarantee Pledgor: Shandong Zhuo'er Electric Co., Ltd. Registration number: 2015370000034 |
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Granted publication date: 20150304 Termination date: 20201030 |