CN217544406U

CN217544406U - Energy-saving device applied to alternating current contactor

Info

Publication number: CN217544406U
Application number: CN202221286032.9U
Authority: CN
Inventors: 杨小明; 薛列三; 郑春雷
Original assignee: Zhejiang Ruixin Electromechanical Co ltd
Current assignee: Zhejiang Ruixin Electromechanical Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-10-04
Anticipated expiration: 2032-05-25

Abstract

The utility model provides an energy-saving device applied to an AC contactor, which belongs to the technical field of AC contactors and is assembled with the AC contactor, wherein the AC contactor comprises a coil, a static contact and a moving contact, the energy-saving device comprises a base, a locking mechanism and a plug core are arranged in the base, the plug core is connected with the moving contact and can move along with the moving contact, and the locking mechanism is used for locking the plug core to keep still after the AC contactor is switched on, namely the AC contactor can not be switched off due to the power failure of the coil; the utility model discloses in be provided with the lock core locking that blocked mechanical system can be connected with the moving contact, even its coil outage also can keep the combined floodgate state after ac contactor combined floodgate, avoid the long-time circular telegram of coil to consume a large amount of electric energy, reach energy-conserving purpose, still avoid the long-time circular telegram of coil to lead to damaging, producing noise and contact unstability scheduling problem simultaneously.

Description

Energy-saving device applied to alternating current contactor

Technical Field

The utility model relates to an ac contactor technical field, concretely relates to be applied to ac contactor's economizer.

Background

The working principle of the alternating current contactor is that the contact is connected and disconnected by matching electromagnetic force with the elastic force of a spring. The alternating current contactor has two working states, namely a power-off state (a switching-off state) and a power-on state (a switching-on state). When the attraction coil is powered off, the electromagnetic attraction disappears, the armature reopens to close the normally open contact, the normally open contact is released under the action of the position spring, all the contacts reset accordingly, and the contactor is in a power-off state.

When an alternating current contactor in the prior art keeps a closing state for a long time, a coil needs to be electrified for a long time, so that a large amount of electric energy is consumed, the coil generates strong noise in the long-time electrifying state, the coil is burnt out due to overvoltage, and a contact is also burnt out due to unstable contact caused by too low voltage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving device applied to an AC contactor, aiming at overcoming the defects existing in the prior art.

The utility model discloses the technical scheme who takes as follows: the utility model provides an energy-saving device for ac contactor, with ac contactor assembly, ac contactor includes coil, static contact and moving contact, and it includes the base, be provided with blocked mechanical system and lock pin in the base, the lock pin is connected with the moving contact and can follow the moving contact and remove, blocked mechanical system is used for pinning the lock pin and keeps motionless after ac contactor closes a floodgate, makes ac contactor can not break a floodgate because of the coil outage.

The locking mechanism comprises a lock, a trip and a rack part arranged on the insert, the lock comprises a rotating shaft part, a first gear part and a second gear part which are rotatably connected with the base, the trip comprises a locking part, the insert is driven by the movable contact to be positioned in the base to vertically move downwards, the rack part is matched with the first gear part to enable the lock to rotate to lock the second gear part and the locking part mutually, and therefore the insert keeps motionless to enable the alternating current contactor to keep a closing state when the coil is powered off.

The locking mechanism further comprises a coil assembly, the trip buckle comprises an unlocking part connected with the coil assembly, and the coil assembly is electrified to pull the trip buckle through the unlocking part to unlock the second gear part and the locking part, so that the alternating current contactor can be opened.

The coil pack is including yoke, solenoid and the iron core of setting in the yoke, the unblock portion is the draw-in groove of setting on jumping the knot, the iron core is provided with joint portion card and goes into in the draw-in groove.

The iron core overcoat is equipped with the spring, and the spring both ends respectively support to the yoke with jump and detain.

And a wiring terminal is arranged on the base on one side of the magnetic yoke and is electrically connected with the coil assembly.

The jump buckle also comprises a toggle end, and the base is provided with a first opening for the toggle end to extend out.

The lock pin comprises a connecting end and a pressing end, wherein the connecting end is connected with the moving contact, the connecting end is provided with a connecting groove, and a second opening is formed in the base and used for the pressing end to extend out.

The base comprises a first shell, a second shell and a cover body, and limiting grooves used for limiting the inserting core are formed in the inner walls of the first shell and the second shell.

A spring seat is arranged between the first shell and the second shell, an elastic piece is arranged between the spring seat and the first shell and between the spring seat and the second shell, and the spring seat is used for being clamped when the alternating current contactor is assembled.

The utility model has the advantages as follows: the utility model discloses in be provided with the lock core locking that blocked mechanical system can be connected with the moving contact, even its coil outage also can keep the combined floodgate state after ac contactor combined floodgate, avoid the long-time circular telegram of coil to consume a large amount of electric energy, reach energy-conserving purpose, still avoid the long-time circular telegram of coil to lead to damaging, producing noise and contact unstability scheduling problem simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a partial exploded view of the present invention;

FIG. 3 is a schematic view of the present invention;

fig. 4 is a schematic view of the ferrule of the present invention;

fig. 5 is a schematic view of the lock of the present invention;

fig. 6 is a schematic view of the middle jump buckle of the present invention;

fig. 7 is a schematic view of a coil assembly according to the present invention;

in the figure, 1-base, 101-first shell, 102-second shell, 103-cover, 104-limit groove, 2-locking mechanism, 3-insertion core, 31-rack part, 32-connecting end, 33-pressing end, 4-lock catch, 41-rotating shaft part, 42-first gear part, 43-first gear part, 5-jump catch, 51-locking part, 52-unlocking part, 53-toggle end, 6-coil component, 61-magnetic yoke, 62-electromagnetic coil, 63-iron core, 631-clamping part, 64-spring, 7-connecting terminal, 8-spring seat, 9-elastic component, 11-first opening, 12-second opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be construed as limitations to the embodiments of the present invention, and the following embodiments do not describe the embodiments one by one.

The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the directional and positional terms used are intended to illustrate and understand the present invention and are not intended to limit the scope of the invention.

As shown in fig. 1 to 7, for the present invention provides an embodiment:

an energy-saving device applied to an alternating current contactor is matched with the alternating current contactor, the alternating current contactor comprises a coil, a static contact and a moving contact and comprises a base 1, a locking mechanism 2 and an inserting core 3 are arranged in the base 1, the inserting core 3 is connected with the moving contact and can move along with the moving contact, and the locking mechanism 2 is used for locking the inserting core 3 to keep still after the alternating current contactor is switched on, so that the alternating current contactor cannot be switched off due to the power failure of the coil; the coil is prevented from consuming a large amount of electric energy when being electrified for a long time, the energy-saving purpose is achieved, and meanwhile the problems that the coil is damaged, noise is generated, contact is unstable and the like caused by the long-time electrification are avoided.

The locking mechanism 2 comprises a lock catch 4, a jump catch 5 and a rack part 31 arranged on the ferrule 3, the ferrule 3 is in a shape of Chinese character 'shan', the rack part 31 is arranged on the side wall of the middle part, and a plurality of grooves are further formed in the side walls of the two sides of the rack part, so that materials can be saved.

The lock catch 4 comprises a rotating shaft part 41 rotatably connected with the base 1, a first gear part 42 matched with the rack part 31 and a second gear part 43 matched with the jump buckle 5, wherein the first gear part 42 is a gear which is circumferentially distributed outside the rotating shaft part 41 and is distributed on one side with the second gear part 43, the second gear part 43 is provided with a plurality of tooth grooves matched with the locking part 51, a groove is formed in one side, facing the second shell 102, of the lock catch 4, a cylindrical bulge is arranged on the inner wall of the second shell 102 and embedded into the groove, a through hole is formed in the middle of the cylindrical bulge and used for inserting the rotating shaft part 41, and a through hole is also formed in the inner wall of the first shell 101 and used for inserting the rotating shaft part 41.

The jump ring 5 comprises a locking part 51 matched with the second gear part 43, connecting shafts are arranged on two sides of the locking part 51 and are inserted into through holes in the inner walls of the first shell 101 and the second shell 102, and the jump ring 5 can rotate in the base 1.

The insertion core 3 is driven by the movable contact to move vertically and downwards in the base 1, the rack portion 31 and the first gear portion 42 are matched to enable the lock catch 4 to rotate to lock the second gear portion 43 and the locking portion 51 mutually, and therefore the insertion core 3 keeps still to enable the alternating current contactor to keep a closing state when the coil is powered off.

The locking mechanism 2 further comprises a coil assembly 6, the trip buckle 5 comprises an unlocking part 52 connected with the coil assembly 6, the coil assembly 6 can be electrified, the trip buckle 5 can be pulled through the unlocking part 52 to unlock the second gear part 43 and the locking part 51, so that the alternating current contactor can be opened, the insertion core 3 does not force the contact of the alternating current contactor to be closed, the alternating current contactor can be automatically opened, and when the alternating current contactor is closed, the locking mechanism 2 acts again to close the contact of the alternating current contactor.

Coil pack 6 is including yoke 61, solenoid 62 and the iron core 63 of setting in yoke 61, the draw-in groove of unblock portion 52 for setting up on jump buckle 5, iron core 63 is provided with joint portion 631 card and goes into in the draw-in groove, is provided with the mounting groove on second casing 102 and supplies yoke 61 embedding, and the coaxial through-hole that is provided with on the both sides lateral wall of bending of yoke 61, iron core 63 are located solenoid 62 and extend the through-hole towards the one end of jump buckle 5, and the draw-in groove setting is at this one end that extends, cuts off partly at cylindrical iron core ring week promptly and forms the draw-in groove.

Iron core 63 overcoat is equipped with spring 64, and spring 64 both ends support respectively extremely yoke 61 with jump and detain 5, after coil pack 6 circular telegram will jump and detain 5 pulling realization ac contactor separating brake, can let to jump through spring 64 and detain 5 and reset to ac contactor closes a floodgate next time, blocked mechanical system 2 normal action.

Install binding post 7 on the base 1 of yoke 61 one side, binding post 7 is connected with coil pack 6 electricity, is provided with two recesses that are used for installing binding post 7 on second casing 102 and one side hollows out the power supply line and inserts, and binding post 7 includes terminal and fixing bolt, lid 103 is provided with the regulation hole that is used for adjusting fixing bolt, is provided with the coil connecting plate between binding post 7 and the coil pack 6 and carries out the electricity and be connected, can let in the voltage value of settlement, makes solenoid 62 work, pulling iron core 63, and then the pulling is jumped and is detained 5 and make 2 unblocks of blocked mechanical system.

The jump buckle 5 further comprises a toggle end 53, the base 1 is provided with a first opening 11 for the toggle end 53 to extend out, and when the electromagnetic coil 62 fails, the toggle end 53 can be manually toggled to unlock the locking mechanism 2, so that safety is guaranteed.

The insert core 3 comprises a connecting end 32 and a pressing end 33 which are connected with the moving contact, the connecting end 32 is provided with a connecting groove, the base 1 is provided with a second opening 12 for the pressing end 33 to extend out, when the electromagnetic coil 62 fails, the pressing end 33 can be manually pressed, the insert core 3 is locked through the locking mechanism 2, the alternating current contactor is forced to be switched on, and the emergency contact is suitable for emergency occasions.

The base 1 comprises a first shell 101, a second shell 102 and a cover 103, wherein an inserting shaft and an inserting hole are arranged between the first shell 101 and the second shell 102 for connection, and a buckle connection is arranged between the cover 103 and the first shell 101 as well as the second shell 102.

The inner walls of the first shell 101 and the second shell 102 are both provided with a limiting groove 104 for limiting the insertion core 3, so that the movement of the insertion core 3 in the vertical direction is limited.

A spring seat 8 is arranged between the first casing 101 and the second casing 102, an elastic part 9 is arranged between the spring seat 8 and the first casing 101 and the second casing 102, the spring seat 8 is clamped when being assembled with an ac contactor, and the spring seat 8 can be rapidly assembled with the ac contactor by matching with a connecting groove of the connecting end 32 of the upper plug core 3.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, therefore, all equivalent variations of the present invention are intended to be covered by the present invention.

Claims

1. The utility model provides an economizer for ac contactor, with ac contactor assembly, ac contactor includes coil, static contact and moving contact, its characterized in that, includes base (1), be provided with blocked mechanical system (2) and lock pin (3) in base (1), lock pin (3) are connected with the moving contact and can follow up the contact and remove, blocked mechanical system (2) are used for pinning lock pin (3) and remain motionless after ac contactor closes a floodgate, make ac contactor can not break brake because of the coil outage.

2. The energy-saving device applied to the ac contactor according to claim 1, wherein the latching mechanism (2) comprises a latch (4), a trip (5) and a rack (31) disposed on the plug core (3), the latch (4) comprises a rotating shaft (41), a first gear (42) and a second gear (43) rotatably connected to the base (1), the trip (5) comprises a locking portion (51), the plug core (3) is driven by the movable contact to move vertically downward in the base (1), the rack (31) cooperates with the first gear (42) to rotate the latch (4) to lock the second gear (43) and the locking portion (51) to each other, so that the plug core (3) remains stationary to keep the ac contactor in a closed state when the coil is powered off.

3. The energy saving device applied to the ac contactor according to claim 2, wherein the latch mechanism (2) further comprises a coil assembly (6), the trip catch (5) comprises an unlocking portion (52) connected to the coil assembly (6), and when the coil assembly (6) is energized, the trip catch (5) is pulled by the unlocking portion (52) to unlock the second gear portion (43) from the locking portion (51), so that the ac contactor can be opened.

4. The energy-saving device applied to the alternating current contactor as claimed in claim 3, wherein the coil assembly (6) comprises a magnetic yoke (61), an electromagnetic coil (62) arranged in the magnetic yoke (61) and an iron core (63), the unlocking part (52) is a clamping groove arranged on the trip buckle (5), and the iron core (63) is provided with a clamping part (631) which is clamped into the clamping groove.

5. The energy saving device applied to an ac contactor according to claim 4, wherein the iron core (63) is sleeved with a spring (64), and two ends of the spring (64) respectively abut against the magnetic yoke (61) and the jump button (5).

6. An energy-saving device applied to an AC contactor as claimed in claim 4, wherein the base (1) on one side of the magnetic yoke (61) is provided with a terminal (7), and the terminal (7) is electrically connected with the coil assembly (6).

7. The energy-saving device applied to an ac contactor according to claim 2, wherein the trip catch (5) further comprises a toggle end (53), and the base (1) is provided with a first opening (11) for the toggle end (53) to extend out.

8. The energy saving device applied to an ac contactor according to claim 2, wherein the ferrule (3) comprises a connecting end (32) connected to the movable contact and a pressing end (33), the connecting end (32) is provided with a connecting slot, and the base (1) is provided with a second opening (12) for the pressing end (33) to protrude.

9. The energy-saving device applied to the alternating current contactor according to claim 8, wherein the base (1) comprises a first shell (101), a second shell (102) and a cover body (103), and the inner walls of the first shell (101) and the second shell (102) are respectively provided with a limiting groove (104) for limiting the inserting core (3).

10. An energy saving device applied to an ac contactor according to claim 9, wherein a spring seat (8) is provided between the first casing (101) and the second casing (102), an elastic member (9) is provided between the spring seat (8) and the first casing (101) and the second casing (102), and the spring seat (8) is used for being clamped when the ac contactor is assembled.