CN201359973Y

CN201359973Y - Energy-saving contactor

Info

Publication number: CN201359973Y
Application number: CNU2008201566312U
Authority: CN
Inventors: 刘国兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-05
Filing date: 2008-12-05
Publication date: 2009-12-09
Anticipated expiration: 2018-12-05

Abstract

The utility model provides an energy-saving contactor, which belongs to the control electric appliance and mainly used for frequently connecting and disconnecting the normal operating circuit or for the remote and close control of large load, and also can be used for the signal switch of the automatic circuit and the load control of the terminal. A shell of the contactor is provided with a main operating contact, an electromagnetic system, a mechanical coupler lock and an electric interlocking part; an electromagnetic coil is fixedly arranged on an appropriate position of the shell and serves as the datum fixed position of the internal systems of the product; and the electromagnetic coil is instantly supplied power during the picking-up or breaking of the contactor, and is free from being supplied power during the working. With the technical scheme of the utility model, the contactor is free from being supplied power during the working, the electromagnetic mechanism contactor of the contact surface is not formed between the upper iron core and the lower iron core, so the failure or unstable working caused by the temperature rise of the electromagnetic coil and the AC resonance of the contact surface of the iron core is avoided, and the alternating current noise can not be generated, so the energy-saving can be really realized.

Description

Energy-saving contactor

Technical field

The utility model energy-saving contactor belongs to control apparatus, mainly can be used as frequent connection and disjunction operate as normal circuit or to the control of the far and near distance of big volume load, and the signal that also can make automated circuit switches and terminate load is controlled.

Background technology

Present normally used contactor, the solenoid consumed power of need switching on all the time to keep attracting state in its running, can make coil temperature rise very high simultaneously, need leave heat-dissipating space during installation, the contact-making surface of iron core can produce and exchange the resonance noise, and can't overcome, job insecurity, fault is many.

Summary of the invention

The utility model purpose is to overcome the above-mentioned shortcoming of common contactor, provide a kind of when operation work solenoid need not electricity consumption and keep, do not constitute the electromagnetic mechanism contactor of contact-making surface on it between lower core, to avoid fault or the job insecurity that resonance causes that exchange owing to solenoid temperature rise and iron core contact-making surface, can not produce the interchange noise, and accomplish truly energy-conservation.

For achieving the above object, the utility model energy-saving contactor is made up of shell and its inner working contact, electromagnetic system, mechanical hook lock assembly and electrical interlocks parts.

Energy-saving contactor, its enclosure is equipped with the work main contact, electromagnetic system, the mechanical hook lock assembly, the electrical interlock parts, solenoid fixedly mounts on the suitable in the enclosure position, be used as the benchmark fixed bit of this product built-in system, mechanical hook lock assembly and electrical interlocks parts are fixedly mounted on the correct position on the solenoid reliably, have the upper core that articulates the position and pass through the upper core reaction spring, having the lower core that articulates the position is connected by lower core reaction spring and solenoid, the contact frame with have articulate the position upper core fixedly connected, make the moving contact fixed contact can do closed and disjunction is switched, contactor only when needs adhesive or disjunction moment do not need electricity consumption to keep to the solenoid energising and in working.

As preferably, have articulate the position upper core by the upper core reaction spring, have the lower core that articulates the position and be connected with solenoid separately by the lower core reaction spring and all can move.

As preferably, have the upper core that articulates the position and be used as adhesive action subject spare, have the lower core that articulates the position and be used as disjunction action subject spare, they are at the work contact-making surface that do not produce in service.

As preferably, the work of this contactor built-in system is controlled by the mechanical hook lock assembly, and these parts then are made up of upper core hook, interlock torsion spring, screens torsion spring, lower core hook, upper core hook torsion spring, lower core hook torsion spring.

As preferably, the work of mechanical hook lock assembly be with have the upper core that articulates the position articulate the position and have the lower core that articulates the position articulate the position cooperation interlocking that matches.

As preferably, the electrical interlocks parts are to guarantee the unicity of this product systems execution command and accuracy in this contactor, and these parts are then held the power spring and formed by action hook, adhesive fixed contact, disjunction fixed contact, moving contact, reset tension spring, support, support.

As preferably, the work of electrical interlocks parts is to be controlled by the contact frame.

1, solenoid fixedly mounts on the suitable in the enclosure position, be used as the benchmark fixed bit of this system, mechanical hook lock assembly and electrical interlocks parts are fixedly mounted on the correct position on the solenoid reliably, and last lower core then is connected with solenoid by reaction spring.

2, working contact is made up of moving contact and fixed contact, their closure with separate combination, be used for the terminate load electric current switch on and off or as switching at the signal of automated circuit.

3, electromagnetic system then is made of solenoid and iron core, and their effect is to make working contact do adhesive or disjunction under controllable state.Having the last lower core that the mechanical hook lock hanging connects the position can be in scope of design move separately, they articulate the position and connector be used to control mechanical hook lock parts and electrical interlocks parts, upper core is used as the adhesive main component, lower core is used as the disjunction main component, leaves suitable distance between the last lower core and does not produce contact-making surface.

4, the mechanical hook lock assembly is made up of torsion spring group and hook lock spare, their effect is that the last lower core in the control electromagnetic system is operated in the scope of design, pinning upper core makes solenoid need not keep electric current and contact keeps its closed operating state, reach energy-conservation purpose, when lower core move, can throw off simultaneously hook lock at once and reset by upper core and make the working contact separation.

5, the electrical interlocks components interior is made up of moving contact, fixed contact, support and task work package, and their effect is unicity and the accuracy that guarantees this product electromagnetic system work.

According to the technical solution of the utility model, when operation work solenoid need not electricity consumption and keep, do not constitute the electromagnetic mechanism contactor of contact-making surface on it between lower core, to avoid fault or the job insecurity that resonance causes that exchange owing to solenoid temperature rise and iron core contact-making surface, can not produce the interchange noise, and accomplish truly energy-conservation.

Description of drawings

Fig. 1 is the assembly structure schematic diagram of the utility model embodiment.

Fig. 2 is the left view of Fig. 1.

Structural representation when Fig. 3 is in the adhesive armed state for present embodiment among Fig. 2.

Fig. 4 is the structural representation of mechanical hook lock assembly among Fig. 3.

Structural representation when Fig. 5 is in the adhesive armed state for present embodiment among Fig. 1.

Fig. 6 is the structural representation of electrical interlocks parts among Fig. 5.

The structural representation of machinery hook lock parts when Fig. 7 is in the disjunction armed state for the utility model embodiment.

The structural representation of electrical interlocks parts when Fig. 8 is in the disjunction armed state for the utility model embodiment.

The toponym that each number designation refers in the above accompanying drawing is as follows:

1-contact frame, the 2-moving contact, the 3-fixed contact, 4-mechanical hook lock assembly, 5-electrical interlocks parts, 6-has the lower core that articulates the position, 7-has the upper core that articulates the position, 8-lower core reaction spring, 9-upper core reaction spring, the 10-solenoid, 4.1-upper core hook, 4.2-interlock torsion spring, 4.3-screens torsion spring, 4.4-lower core hook, 4.5-upper core hook torsion spring, 4.6-lower core hook torsion spring, 5.1-action hook, 5.2-adhesive fixed contact, 5.3-disjunction fixed contact, 5.4-moving contact, 5.5-reset tension spring, 5.6-support, 5.7-support holds the power spring.

Embodiment

Below in conjunction with accompanying drawing 1 to accompanying drawing 8 and embodiment the utility model is described in further detail:

Embodiment 1 attracting process, iron core, mechanical hook lock, electrical interlocks mechanism are in the reset condition of the adhesive of awaiting orders at this moment.5.2 adhesive fixed contact groups of 5 electrical interlocks parts are in the make position (see figure 3), 10 solenoids get electric make 7 have articulate the position upper core and 6 have articulate the position lower core under the effect in magnetic field, make adhesive campaign (see figure 1) mutually.4.1 upper core hooks in the 4 mechanical hook lock assemblies are withstood on upper core and articulate on the limit of position and can not stop 7 to have the action (see figure 2) of upper core that articulates the position, and 6 have articulate the position lower core be in the control of 4.4 lower core hooks, can only move in design runlength, their contra bevel cooperates has more increased screens reliability (see figure 2).The power motion that overcomes 9 upper core reaction springs along with upper core puts in place, drives the 1 contact frame that is connected to one and makes the closed (see figure 4) of 2 moving contacts, 3 fixed contacts.

In attracting process, in the 5 electrical interlocks parts 5.1 action hook is backed down by 1 contact frame and makes 5.5 reset tension springs of its action of control be opened and hold power, 5.6 being absolved 5.7 supports, support holds the release of power spring, drive 5.4 moving contacts and make 5.2 adhesive fixed contact disjunctions, 5.3 disjunction fixed contact closure (seeing Fig. 3 Fig. 4), 5 electrical interlocks parts enter the disjunction armed state, the solenoid dead electricity.

Simultaneously in attracting process, 4.1 upper cores in the 4 mechanical hook lock assemblies are hooked in and enter upper core under the effect of 4.5 upper core hook torsion springs and articulate the position, pin upper core adhesive service position, since upper core articulate the position press down make 4.2 the interlock torsion springs hold power, when after the solenoid dead electricity 6 have articulate the position lower core under 8 lower core reaction spring effects, reset, 4.4 lower core hook and lower core articulate a contact-making surface separately, because the power of holding of 4.2 interlock torsion springs is greater than the power of 4.6 lower core hook torsion springs, so the release of its power of holding makes 4.4 lower core hooks leave lower core and articulates position (seeing Fig. 2 and Fig. 4), 4 mechanical hook lock assemblies enter the disjunction armed state.

Embodiment 2 breaking courses, iron core, mechanical hook lock, electrical interlocks mechanism are in the state of the disjunction of awaiting orders at this moment.5.3 disjunction fixed contacts of 5 electrical interlocks parts are connected by 5.4 moving contacts, and this moment, available shutdown switch was given the energising of 10 solenoids, in electromagnetic field on the mutual adhesive of lower core.Upper core is just stayed in the position by 4.1 upper core hook locks originally and can not take exercises, and the 4.4 lower core hooks of this moment have held to open under the power release action and have no longer controlled lower core at 4.2 interlock torsion springs, lower core is done the adhesive campaign to upper core, it articulates a top and backs down the 4.1 upper core hooks that pin upper core during this time, the upper core hook is tangled the location by 4.3 screens torsion springs, lower core pushes 5.6 supports simultaneously and drives 5.4 moving contacts and make 5.3 disjunction fixed contact disjunctions, the solenoid dead electricity, last lower core is resetting under the reaction spring effect separately.The drive 1 contact frame that resets of upper core makes the 3 fixed contact disjunctions of 2 moving contacts.

5 electrical interlocks parts 7 are having the upper core that articulates the position and drive 5.6 support returns by connected 1 contact frame make it be held power again when 9 reaction springs reset after the solenoid dead electricity in the time of breaking course, 5.2 being hooked in to reset under the 5.5 reset tension spring effects, adhesive fixed contact closure, 5.1 actions pin 5.6 supports.So far the whole return to primitive age adhesive of situation armed state in the 5 electrical interlocks parts.

4 mechanical hook lock assemblies are after the solenoid dead electricity in the time of breaking course, and 7 have the upper core that articulates the position has the lower core that articulates the position at 9 upper core reaction springs and 6 and reset under 8 lower core reaction spring effects.Along with upper core articulate the position on move make 4.2 the interlock torsion springs no longer be pressed down, lower core is hooked at 4.4 lower cores behind the return to reset under the effect of 4.6 lower core hook torsion springs and hangs lower core and articulate on the position, drive the control of 4.2 interlock torsion springs, 4.3 screens torsion spring returns disengagement simultaneously, make its return under the effect of 4.5 upper core hook torsion springs 4.1 upper core hooks.The whole return to primitive age adhesive of situation armed state in the 4 mechanical hook lock assemblies.

In a word, the above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.

Claims

1. energy-saving contactor, its enclosure is equipped with the work main contact, electromagnetic system, the mechanical hook lock assembly, the electrical interlock parts, it is characterized in that: solenoid (10) fixedly mounts on the suitable in the enclosure position, be used as the benchmark fixed bit of this product built-in system, mechanical hook lock assembly (4) and electrical interlocks parts (5) are fixedly mounted on the correct position on the solenoid reliably, have the upper core (7) that articulates the position and pass through upper core reaction spring (9), having the lower core (6) that articulates the position is connected by lower core reaction spring (8) and solenoid, contact frame (1) with have articulate the position upper core (7) fixedly connected, make moving contact (2) fixed contact (3) can do closed and disjunction is switched, contactor only when needs adhesive or disjunction moment do not need electricity consumption to keep to the solenoid energising and in working.

2. energy-saving contactor according to claim 1, it is characterized in that: have articulate the position upper core (7) by upper core reaction spring (9), have the lower core (6) that articulates the position and be connected with solenoid separately by lower core reaction spring (8) and all can move.

3. energy-saving contactor according to claim 2, it is characterized in that: have the upper core (7) that articulates the position and be used as adhesive action subject spare, have the lower core (6) that articulates the position and be used as disjunction action subject spare, they are at the work contact-making surface that do not produce in service.

4. energy-saving contactor according to claim 1, it is characterized in that: the work of this contactor built-in system is controlled by mechanical hook lock assembly (4), and these parts then are made up of upper core hook (4.1), interlock torsion spring (4.2), screens torsion spring (4.3), lower core hook (4.4), upper core hook torsion spring (4.5), lower core hook torsion spring (4.6).

5. energy-saving contactor according to claim 4 is characterized in that: the work of mechanical hook lock assembly (4) be with have the upper core (7) that articulates the position articulate the position and have the lower core (6) that articulates the position articulate the position cooperation interlocking that matches.

6. energy-saving contactor according to claim 1, it is characterized in that: electrical interlocks parts (5) are to guarantee the unicity of this product systems execution command and accuracy in this contactor, and these parts are then held power spring (5.7) and formed by action hook (5.1), adhesive fixed contact (5.2), disjunction fixed contact (5.3), moving contact (5.4), reset tension spring (5.5), support (5.6), support.

7. energy-saving contactor according to claim 6 is characterized in that: the work of electrical interlocks parts (5) is to be controlled by contact frame (1).