CN202796768U

CN202796768U - Alternating current contactor

Info

Publication number: CN202796768U
Application number: CN 201220434991
Authority: CN
Inventors: 孙万红
Original assignee: CHANGSHA GAOSHENG ELECTRONICS TECHNOLOGY Co Ltd
Current assignee: CHANGSHA GAOSHENG ELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2012-08-29
Filing date: 2012-08-29
Publication date: 2013-03-13
Anticipated expiration: 2022-08-29

Abstract

The utility model discloses an alternating current contactor. The alternating current contactor comprises an upper base and a lower base which are connected in a matching mode. Square grooves are arranged on two symmetrically sides of the lower base respectively, releases are fixed outside the two square grooves through support frames, and clamping units are arranged on one sides of the two releases facing towards the square grooves respectively; and two linkage units connected with the square grooves in a corresponding matching mode are arranged on two sides of the upper base, and clamping grooves matching with the clamping units are arranged on the outer sides of the two linkage units. According to the alternating current contactor, a principle of mechanical maintenance through the clamping units is used, so that when a coil is powered off, the alternating current contactor can still maintain a circuit on state. The alternating current contactor has the advantage of being energy saving and consumption reducing.

Description

A kind of A.C. contactor

Technical field

The utility model relates to the contactor that a kind of control circuit cut-offs, and is a kind of A.C. contactor specifically.

Background technology

A.C. contactor is mainly used in frequent the connection or the disjunction alternating current circuit, and it is large to have a control capacity, but remote operation; cooperate relay can realize fixed cycle operator; interlocked control, various quantitative control box decompressions and under-voltage protection are widely used in automatic control system.

Existing A.C. contactor mainly includes insulation shell and is installed in the interior electromagnetic system of housing, arc quenching system and contact apparatus, this housing includes top base and lower bottom base, its electromagnetic system part is fixedly installed on the lower bottom base, a part is arranged on the top base by the iron core bracket correspondence, during the binding post plugged of lower bottom base, be arranged on the coil electricity of lower bottom base, the iron core of this lower bottom base produces electromagnetic attraction, with the corresponding iron core adhesive that arranges of top base, because being the iron core with the top base setting, contact system links, when the adhesive of part iron core, the closing of contact, circuit is connected; In case and during coil blackout, suction disappears, the iron core interlock part of top base setting relies on the reaction force of spring and separates, contact is disconnected, and circuit connects disconnection, so in the prior art, during A.C. contactor holding circuit on-state, only have by continuing energising to coil, can the holding circuit on-state, caused certain electric energy loss.

The utility model content

The utility model provides a kind of A.C. contactor, by its principle that is provided with a bayonet unit and utilizes its machinery to keep, so that this A.C. contactor does not continue can keep its circuit to connect under the state of energising at coil yet, overcome the deficiency in the above-mentioned background technology.

To achieve these goals, the technical solution of the utility model is as follows:

A kind of A.C. contactor, comprise top base and lower bottom base, described top base and lower bottom base are connected, be respectively arranged with a square groove on two sides of described lower bottom base symmetry, described two square grooves are outer all to be fixedly installed a release by bracing frame, and described two releases are respectively arranged with a bayonet unit towards a side of described square groove; Described top base both sides are provided with two linkages that are connected with described square groove corresponding matching, and described two linkages outside is provided with the draw-in groove that cooperates with described bayonet unit.

Further, described bayonet unit includes dropout plate, spring coil and dead bolt, and described dropout plate one side is connected with described release by several spring coils, and described dropout plate opposite side is provided with a dead bolt, and described dead bolt cooperates with described draw-in groove.

Further, described A.C. contactor also includes electromagnetic system, is provided with coil, modular cartridge and iron core in the described electromagnetic system.

Further, described iron core is divided into the first iron core and the second iron core, and described the first iron core is arranged on the base plate of described lower bottom base, and described modular cartridge and described the first iron core are equipped with, and it is peripheral that described coil is arranged on described modular cartridge; Described the second iron core is arranged in the described top base by iron core bracket.

Further, described linkage is fixedly connected with described iron core bracket.

Further, described linkage upper end is provided with a connecting rod, be provided with a Compress Spring in the described connecting rod, described Compress Spring two ends all are fixedly connected with a sheet metal, are provided with up and down the metal baffle corresponding with described sheet metal in described connecting rod both sides.

Further, described linkage lower end is provided with a through hole.

Further, be provided with the reference column that matches with described through hole on the described lower bottom base base plate, the diameter of described reference column is less than the diameter of through hole.

Compared with prior art, the concrete beneficial effect of the utility model is as follows:

1, energy-saving and cost-reducing, the A.C. contactor that the utility model provides, by be provided with two releases in the lower bottom base bilateral symmetry, and between its release and lower bottom base, be provided with a bayonet unit, in case coil electricity, its first iron core produces electromagnetic attraction, with the second iron core adhesive that is arranged in the top base, this moment bayonet unit just be arranged on linkage on draw-in groove cooperate, by the principle of utilizing its bayonet unit machinery to keep, when coil blackout, still can the holding circuit on-state, have energy-saving and cost-reducing advantage.

2, simple in structure, easy for installation and reliable and stable, the utility model is by being provided with reference column at lower bottom base, and this reference column is equipped with in the through hole that arranges in the linkage lower end, so that top base and lower bottom base be linked and packed simply, and reliable and stable.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is three-dimensional exploded view of the present utility model;

Fig. 2 is the enlarged drawing of A part among Fig. 1.

Embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.

By shown in Figure 1, the utility model is a kind of A.C. contactor, it comprises top base 1 and lower bottom base 2, its top base 1 is connected with lower bottom base 2, be respectively arranged with a square groove 3 on two sides of its lower bottom base 2 symmetries, all be fixedly installed a release 4 by bracing frame 11 outside two square groove 3, two release 4 is respectively arranged with a bayonet unit A towards a side of square groove; Simultaneously, top base 1 both sides of this A.C. contactor are provided with two linkages 8 that are connected with square groove 3 corresponding matching, and two linkage 8 outside is provided with the draw-in groove that cooperates with described bayonet unit A.

Be the structure enlarged drawing of bayonet unit A in the present embodiment in conjunction with Fig. 2, it includes dropout plate a2, spring coil a1 and dead bolt a3, its dropout plate a2 one side is connected with release 4 by several spring coils a1, and being provided with a dead bolt a3 on the opposite side of dropout plate a2, this dead bolt a3 cooperates with draw-in groove on the linkage 8.

The opposite side of this dropout plate a2 is not limited to and only is set to dead bolt a3, also can be reference column or square fixed block, as long as reference column, the square fixed block of its setting can cooperate with draw-in groove 9, be arranged so that by this top base 1 and lower bottom base 2 are linked and packed simply, and reliable and stable.

Further, its linkage 8 is fixedly connected with iron core bracket 7.

By shown in Figure 1, in the present embodiment, this A.C. contactor also includes electromagnetic system, be provided with coil, modular cartridge 10 and iron core in this electromagnetic system, its iron core can be divided into the first iron core 5 and the second iron core 6, and this first iron core 5 is arranged on the base plate of lower bottom base 2, and its modular cartridge 10 and the first iron core 5 are equipped with, simultaneously, coil winding is arranged on modular cartridge 10 peripheries; Corresponding, the second iron core 6 is arranged in the described top base 1 by iron core bracket 7.By above-mentioned setting, behind the coil switch power in the electromagnetic system, its first iron core 5 will produce electromagnetic attraction, correspondence will be arranged on the second iron core 6 adhesives in the top base 1, meanwhile, its linkage 8 that is arranged on top base 1 both sides is also thereupon downward, and be fixed with the dead bolt a3 on the bayonet unit A, in case coil is stopped power supply, the principle that A.C. contactor also can be kept by machinery, holding circuit is connected, thereby has reached energy-saving and cost-reducing effect; Simultaneously in the present embodiment, in order to make A.C. contactor more flexible in the open circuit operation, its linkage 8 upper ends are provided with a connecting rod 14, be provided with a Compress Spring 15 in this connecting rod 14, these Compress Spring 15 two ends all are fixedly connected with a sheet metal 16, be provided with up and down the metal baffle 17 corresponding with sheet metal 16 in connecting rod 14 both sides, so that the flexible scope of Compress Spring 15 is limited in this up and down between two metal baffle 17, therefore, when the release 4 of arranging for lower bottom base 2 both sides passes to transient voltage, dead bolt a3 on its bayonet unit A separates with draw-in groove on the linkage 8, its linkage relies on the reaction force of Compress Spring, the second iron core is separated with the first iron core, thereby circuit connects disconnection.

Further, these linkage 8 lower ends are provided with a through hole 12.

Further, be provided with the reference column 13 that matches with through hole 12 on these lower bottom base 2 base plates, the diameter of its reference column 13 is less than the diameter of through hole 12.

More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and the specification is principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in the claimed scope of the present utility model.The protection range that the utility model requires is defined by appending claims and equivalent thereof.

Claims

1. A.C. contactor, comprise top base, lower bottom base, it is characterized in that: be respectively arranged with a square groove on two sides of described lower bottom base symmetry, described two square grooves are outer all to be fixedly installed a release by bracing frame, and described two releases are respectively arranged with a bayonet unit towards a side of described square groove; Described top base both sides are provided with two linkages that are connected with described square groove corresponding matching, and described two linkages outside is provided with the draw-in groove that cooperates with described bayonet unit.

2. a kind of A.C. contactor according to claim 1, it is characterized in that: described bayonet unit includes dropout plate, spring coil and dead bolt, described dropout plate one side is connected with described release by several spring coils, and described dropout plate opposite side is provided with a dead bolt.

3. a kind of A.C. contactor according to claim 2, it is characterized in that: described dead bolt cooperates with described draw-in groove.

4. a kind of A.C. contactor according to claim 1, it is characterized in that: described A.C. contactor also includes electromagnetic system, is provided with coil, modular cartridge and iron core in the described electromagnetic system.

5. a kind of A.C. contactor according to claim 4, it is characterized in that: described iron core is divided into the first iron core and the second iron core, described the first iron core is arranged on the base plate of described lower bottom base, and described modular cartridge and described the first iron core are equipped with, and it is peripheral that described coil is arranged on described modular cartridge; Described the second iron core is arranged in the described top base by iron core bracket.

6. a kind of A.C. contactor according to claim 5, it is characterized in that: described linkage is fixedly connected with described iron core bracket.

7. a kind of A.C. contactor according to claim 6, it is characterized in that: described linkage upper end is provided with a connecting rod, be provided with a Compress Spring in the described connecting rod, described Compress Spring two ends all are fixedly connected with a sheet metal, are provided with up and down the metal baffle corresponding with described sheet metal in described connecting rod both sides.

8. a kind of A.C. contactor according to claim 7, it is characterized in that: described linkage lower end is provided with a through hole.

9. a kind of A.C. contactor according to claim 8, it is characterized in that: be provided with the reference column that matches with described through hole on the described lower bottom base base plate, the diameter of described reference column is less than the diameter of through hole.