CN104282507B - A kind of compact energy-saving electromagnetic operating mechanism - Google Patents

A kind of compact energy-saving electromagnetic operating mechanism Download PDF

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Publication number
CN104282507B
CN104282507B CN201410606959.XA CN201410606959A CN104282507B CN 104282507 B CN104282507 B CN 104282507B CN 201410606959 A CN201410606959 A CN 201410606959A CN 104282507 B CN104282507 B CN 104282507B
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China
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iron core
dynamic iron
electromagnetic operating
saving
compact energy
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CN104282507A (en
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彭全昌
刘永华
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Jiayi Electric Co Ltd
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Jiayi Electric Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)

Abstract

The present invention discloses a kind of compact electromagnetic operating mechanism, comprise electromagnetic mechanism, reaction spring and divide-shut brake assembly, divide-shut brake assembly comprises and to be arranged at above electromagnetic mechanism and the lever dolly extended in the horizontal direction and the fixed pivot that lever dolly is rotated around it, and reaction spring is mounted on the side of lever dolly; In the middle part of lever dolly, appropriate location is dynamic unshakable in one's determination by the anatomical connectivity that is connected, thus make lever dolly by rotational movement move ironcore linear motion can not interfere, by the ingehious design of lever dolly, greatly reduce electromagnetic operating mechanism overall height dimension, be conducive to using the multi-functional terminal end electrical equipment of this electromagnetic operating mechanism to load in ammeter box; Also comprise energy-saving mechanism, it comprises lock catch unit and power saving unit, and lock catch unit is used for the dynamic iron core moving to attracted position to pin, meanwhile, the power-off of power saving unit control coil, thus realize electromagnetic operating mechanism close a floodgate time coil without the need to energising, save a large amount of electric energy.

Description

A kind of compact energy-saving electromagnetic operating mechanism
Technical field
The present invention relates to a kind of for the operating mechanism in circuit breaker, being specifically related to a kind of compact energy-saving electromagnetic operating mechanism for using in multi-functional terminal end electrical equipment, belonging to low-voltage electrical apparatus attachment technique field.
Background technology
Multi-functional terminal end electrical equipment refer to intelligent electric meter with the use of actuator, for accept intelligent electric meter send instruction carry out divide-shut brake action, with control user energising or power-off.
At present, conventional intelligent electric meter actuator is miniature circuit breaker, and when subscriber arrearage, intelligent electric meter sends separating brake instruction to miniature circuit breaker, and miniature circuit breaker performs separating brake, thus carries out power-off to defaulting subscriber.By the use of intelligent electric meter and actuator, achieve the prepaid billing mode of electric power, thus solve the problem of traditional manually visit counting cost by gas meter difficulty and frequent defaulting subscriber's difficult charge.
But, adopt miniature circuit breaker as intelligent electric meter actuator still suitable backwardness, its defect is: recharge in electricity card as defaulting subscriber and inserted after intelligent electric meter by electricity card, miniature circuit breaker can not realize automatic closing and restore electricity, but responsible electrician must be found to open ammeter box, manually actuator is closed a floodgate, so can not realize full automation, hinder intelligent grid development and promote.
In order to solve the problem, a kind of intelligent electric meter actuator has been there is in prior art, it comprises the miniature circuit breaker with short circuit overload protection is main switch, be equipped with the microminiature Intelligent electric behaviour with microprocessor, when subscriber arrearage, intelligent electric meter sends instruction and grasps to Intelligent electric, and Intelligent electric behaviour action drives main switch separating brake, realizes power-off; When subscriber payment and again after plug-in card, intelligent electric meter sends instruction again and grasps to Intelligent electric, Intelligent electric behaviour counteragent drives main switch automatic closing, recovers customer power supply.
By the setting that Intelligent electric is grasped, the intelligent electric meter actuator of the prior art is made to have possessed automatic reclosing function, thus intelligent electric meter user is recharged and electricity card is inserted into actuator meeting automatic closing after in intelligent electric meter, and remove to open ammeter box manual closing operation again without the need to responsible electrician, substantially increase efficiency and save artificial, being conducive to development and the popularization of intelligent grid.
But, the intelligent electric meter actuator of the prior art finds same existing defects in actual use: the divide-shut brake due to the prior art intelligent electric meter actuator is controlled by the rotation of motor in electrically operated institution, as everyone knows, breaking speed is controlled slow by electric machine rotation, after reality test, find that controlling disjunction by electrically operated institution wants about 1 second usually, breaking speed is slow and breaking capacity is poor, can not meet intelligent grid future development requirement.
Slow in order to solve electrically operated institution control circuit breaker breaking speed, the problem of breaking capacity difference, it is 2014103448664 that the applicant has submitted an application number on July 18th, 2014 to State Intellectual Property Office, the application for a patent for invention of " a kind of electromagnetic operating mechanism " by name, this electromagnetic operating mechanism, for with intelligent electric meter with the use of multi-functional terminal end electrical equipment in, comprise electromagnetism close/open machine and energy-saving mechanism, described electromagnetism close/open machine comprises electromagnet, hold-down support, reaction spring and transmission mechanism, described hold-down support is fixed on the top of electromagnet, described reaction spring one end is articulated in the upper side wall of described hold-down support, the other end be articulated in link with the dynamic iron core of described electromagnet by latch fitting, the axial reaction force that described reaction spring is applied to described dynamic iron core is overcome under the electromagnetic attraction effect that the dynamic iron core of described electromagnet produces instantaneously at coil electricity, by its initial position axial motion to the attracted position with the fixed core adhesive of described electromagnet, and by driving the moving contact of multi-functional terminal end electrical equipment and fixed contact to close with the link transmission mechanism that arranges of described dynamic iron core, realize closing a floodgate, after the constraint that energy-saving mechanism is removed described dynamic iron core, described dynamic iron core departs from described fixed core under the reaction force of described reaction spring, and drives the moving contact of described multi-functional terminal end electrical equipment to depart from described fixed contact by described transmission mechanism, realizes separating brake.
This electromagnetic operating mechanism is by the setting of described electromagnetism close/open machine and described energy-saving mechanism, not only make with intelligent electric meter with the use of multi-functional terminal end electrical equipment breaking speed is accelerated, breaking capacity strengthens, but also make multi-functional terminal end electrical equipment close a floodgate time coil without the need to energising, save a large amount of electric energy, make tremendous contribution for national energy-saving reduces discharging.
In this electromagnetic operating mechanism, the top that the hold-down support of described electromagnetism close/open machine and reaction spring are arranged at described electromagnet is considered based on following two aspects: one is that described reaction spring needs to be supplied to a described dynamic axial reaction force unshakable in one's determination, above electromagnet, hold-down support is set, and by the form of mounting, described reaction spring is connected between described hold-down support and described dynamic iron core, make described reaction spring can act on described dynamic iron core to realize the requirement that described dynamic iron core departs from described fixed core fast by strain pulling force; Two is tops that described hold-down support and described reaction spring are arranged at described electromagnet, can utilize the energy-saving mechanism that in described hold-down support, remaining space mounting coordinates with electromagnetism close/open machine except described reaction spring.
But, electromagnetic operating mechanism under this kind of design finds existing defects in actual use: in this electromagnetic operating mechanism, in order to meet the axial reaction force needed for described dynamic iron core, the design length of reaction spring itself is longer, and, electromagnetic operating mechanism needs in the axial direction for described reaction spring provides larger deformation space, the overall height dimension so just causing this electromagnetic operating mechanism is larger, structure is not compact, and then cause the height dimension of the multi-functional terminal end electric equipment products of this electromagnetic operating mechanism of use larger, thus cause multi-functional terminal end electric equipment products to have difficulties when loading in the conventional ammeter box of current national grid, even cannot load.Therefore, how reducing integral product height dimension, is the technical barrier that multi-functional terminal end electric equipment products are badly in need of solving.
Summary of the invention
Therefore, in " a kind of electromagnetic operating mechanism " that the technical problem to be solved in the present invention is submitted before being the applicant, electromagnetism close/open machine height dimension is excessive, structure is not compact, cause using the multi-functional terminal end electrical equipment of this electromagnetism close/open machine excessive due to height dimension and the problem that cannot load in now conventional ammeter box, thus provide a kind of height dimension less, compact conformation, makes multi-functional terminal end electrical equipment can load compact energy-saving electromagnetic operating mechanism in now conventional ammeter box.
For realizing the object of the invention, the present invention by the following technical solutions:
A kind of compact energy-saving electromagnetic operating mechanism, comprises
Electromagnetism close/open machine and the energy-saving mechanism coordinating described electromagnetism close/open machine to use,
Described electromagnetism close/open machine comprises
Electromagnetic mechanism, comprise coil, fixed core and can dynamic iron core along from described coil axes to linear reciprocating motion, described dynamic iron core has the initial position before described coil electricity and after described coil electricity, moves to the attracted position of described fixed core and described fixed core adhesive;
Close/open machine, associate with the moving contact of contact system, comprise reaction spring and divide-shut brake assembly, described reaction spring is applied to the lasting axial reaction force of described dynamic iron core by described divide-shut brake assembly, to enable described dynamic iron core move to described initial position by described attracted position fast, and then described moving contact action is driven to realize separating brake; Described dynamic iron core is after described coil electricity, and the lasting axial reaction force being overcome the applying of described reaction spring by described divide-shut brake assembly moves to attracted position by described initial position, and then drives described moving contact action to realize closing a floodgate;
Described divide-shut brake assembly comprises the lever dolly being arranged at and also extending in the horizontal direction above described electromagnetic mechanism, and for supporting described lever dolly and enabling the fixed pivot that described lever dolly rotates around it, described lever dolly comprises the first stake body and the second stake body that are positioned at described fixed pivot both sides, described first stake body is connected with the upper end of described reaction spring away from the free end of described fixed pivot, the lower end of described reaction spring is connected with fixture, described second stake body is suitable for fixing described moving contact away from the free end of described fixed pivot, suitable position between the described free end of described second stake body and described fixed pivot is by the dynamic end of stretching out from described electromagnetic mechanism unshakable in one's determination described in anatomical connectivity that is connected, realize linking around the rotary motion of described fixed pivot and described dynamic iron core rectilinear motion vertically to make described second stake body,
Described energy-saving mechanism comprises the lock catch unit for being pinned by the described dynamic iron core moving to described attracted position by described initial position after described coil electricity, and link with described dynamic iron core, after described dynamic iron core departs from described initial position, control the power saving unit of described coil blackout.
The described structure that is connected comprise connect described second stake body and described dynamic iron core projecting end with the connector making both mutually drive, and relatively described second stake body and described dynamic iron core arbitrary generation relative horizontal movement can be provided to prevent described second stake body rotary motion and the described dynamic iron core activity space that interferes of rectilinear motion vertically for described connector when described electromagnetism close/open machine action.
Described connector and described second stake body are fixedly installed, and described activity space is the projecting end taking shape in described dynamic iron core, for the horizontal slotted hole of described connector horizontal movement wherein.
Described connector is the lateral pin through described second stake body two side and described dynamic projecting end unshakable in one's determination; Described second stake body two side forms the first through hole with described lateral pin secure fit; The projecting end of described dynamic iron core forms the second through hole passed for described lateral pin, and described second through hole adjoins the described horizontal slotted hole be communicated with it.
Described connector and described dynamic projecting end unshakable in one's determination are fixedly installed, and described activity space, for taking shape on described second stake body, supplies the kidney-shaped slotted eye of described connector relatively described second stake body movement in a curve wherein.
Described connector is the lateral pin through described second stake body two side and described dynamic projecting end unshakable in one's determination; Described dynamic projecting end unshakable in one's determination forms the third through-hole with described lateral pin secure fit; Described second stake body two side forms the fourth hole passed for described lateral pin, and described fourth hole adjoins the described kidney-shaped slotted eye be communicated with it.
Described suitable position is that described second stake body is along the middle part in its horizontal-extending direction or near middle position.
Described lever dolly is flat.
The bottom of described second stake body forms the bottom opening stretched into for described dynamic projecting end unshakable in one's determination.
Described fixed pivot is the pivot being fixed on fixture and being rotatably connected by pivot hole and described lever dolly.
Described pivot hole is set to two, is symmetrically arranged in described lever dolly both sides.
Described lever dolly comprises the housing with insulation property and takes shape in described enclosure interior, for installing the installation cavity of described moving contact.
Described installation cavity is the rectangular shape mated with described moving contact, and described rectangle installation cavity bearing of trend is consistent along horizontal-extending direction with described lever dolly.
Described housing comprises upper cover and base, and described chassis interior forms described installation cavity.
Described electromagnetic mechanism is DC electromagnet or alternating electromagnet.
Described lock catch unit comprises by latch fitting and locked component, is describedly connected described dynamic iron core by latch fitting and together moves with described dynamic iron core, is describedly formed by lock section by latch fitting; Described locked component is arranged at described by latch fitting side, described locked component comprises rotating locking piece and is applied to the reset bias piece on described locking piece, described locking piece forms lock buckling groove, described lock buckling groove is suitable for when described dynamic iron core moves to described attracted position, be subject to the reset partial pressure of described reset bias piece, turn to and formed with described the buckle structure suppressing described dynamic iron core to move to described initial position by lock section.
Described is same component by latch fitting and described connector.
Described power saving unit comprises
Pressing piece, link with described dynamic iron core and arrange, described pressing piece forms press-side;
Sensitive switch, is series in described coil circuit, has open position and off-position, and described sensitive switch has the normally opened contact of corresponding described open position;
The press-side of described pressing piece, when described dynamic iron core moves to described attracted position by described initial position, presses described normally opened contact and switches to described off-position to make described sensitive switch by described open position, thus control described coil blackout;
After the press-side of described pressing piece departs from described normally opened contact with described dynamic action unshakable in one's determination, described sensitive switch is switched back to the open position conducted with described coil by off-position.
Described power saving unit comprises
Pressing piece, link with described dynamic iron core and arrange, described pressing piece forms press-side;
Sensitive switch, is series in described coil circuit, has open position and off-position, and described sensitive switch has the normally opened contact corresponding with described off-position,
The press-side of described pressing piece presses described normally opened contact when described dynamic iron core is in described initial position makes described sensitive switch be in described open position, thus described sensitive switch and described coil are conducted;
The press-side of described pressing piece, when described dynamic iron core moves to described attracted position by initial position, departs from described normally opened contact and switches back described off-position to make described sensitive switch by described open position, thus control described coil blackout.
Described is run through described dynamic iron core to stretch out the end of described electromagnetism close/open machine and the described lateral pin arranged with described end vertical by latch fitting;
Described locking piece is the rotor plate being arranged at described lateral pin side, and described rotor plate can rotate around fixed pivot axi, and described rotor plate and described lateral pin corresponding section form described lock buckling groove;
It is described rotor plate with described lateral pin opposite side position that described reset bias piece is that one end is mounted on, and the other end is mounted on the extension spring in fixture.
Described rotor plate is set to two, is arranged in described lateral pin two ends vertically respectively, is fixedly connected with described in two between rotor plate by connecting firmware;
The both ends of described lateral pin are coordinate with the described lock buckling groove of described rotor plate described by lock section.
Described power saving unit also comprises automatic trip unit, for receiving dropout instruction and action, triggering described locking piece and rotating backward after the described dropout instruction of reception, to make described locking piece and describedly to be departed from snap close by latch fitting.
Described automatic trip unit comprises the dropout end with retracted position and release location, described dropout end is after described automatic trip unit receives dropout instruction, move to described release location by described retracted position and the portion that is triggered triggering described locking piece rotates backward to make described locking piece, thus make described lock buckling groove and describedly to be departed from by lock section; Described dropout end described lock buckling groove and described departed from by lock section after, pushed back to described retracted position by with the described dynamic iron core return unit arranged that links.
Described automatic trip unit is small-sized DC electromagnet, and described dropout end is the first dynamic end of stretching out from described small-sized DC electromagnet unshakable in one's determination of small-sized DC electromagnet.
Described power saving unit also comprises hand tripping unit, is rotated backward described in manual triggers by latch fitting, to make described locking piece and describedly to be departed from snap close by latch fitting.
Described hand tripping unit comprises the pulling piece be arranged on above described lock catch unit, and drive and the driving member that arrange corresponding to described locking piece by described pulling piece, described pulling piece drives described driving member action after pulling, and then drive described locking piece to rotate backward, thus make the lock buckling groove of described locking piece depart from described by latch fitting by lock section.
Described fixture is be surrounded on described electromagnetism close/open machine and be positioned at directly over described electromagnetism close/open machine the fixed support outside the described energy-saving mechanism of part, described fixed support has the two corresponding sidewall arranged and the diapires be connected to bottom described two side, sidewall described in two and described pivot corresponding position form the fixing hole of fixing described pivot both ends respectively and pass and the longitudinal strip through-hole moved betwixt for described lateral pin both ends forming respectively with corresponding position, described lateral pin both ends, described diapire forms and stretches out, for mounting the link of described reaction spring lower end.
Described small-sized DC electromagnet is fixedly mounted on the outer surface of described fixed support wherein sidewall described in, and the described first dynamic projecting end unshakable in one's determination is arranged down;
Described connection firmware is fixedly connected with extension, described extension have stretch to the described first dynamic projecting end unshakable in one's determination corresponding position, below described in be triggered portion.
Sidewall described in described support bracket fastened two forms and to pass for described lateral pin and along described dynamic stalk to longitudinal strip through-hole of linear reciprocating motion;
Described pressing piece is slidably disposed on the outer surface of the described sidewall identical with described small-sized DC electromagnet, described pressing piece forms for described lateral pin through and the bearing of trend cross through hole vertical with described longitudinal strip through-hole.
Described return unit and described pressing piece are molded as one structure.
Technique scheme of the present invention has the following advantages compared to existing technology:
1. compact electromagnetic operating mechanism of the present invention, comprise electromagnetism close/open machine and energy-saving mechanism, described electromagnetism close/open machine comprises electromagnetic mechanism and close/open machine, close/open machine comprises reaction spring and divide-shut brake assembly, in the present invention, close/open machine comprises the lever dolly being arranged at and also extending in the horizontal direction above electromagnetic mechanism and the fixed pivot rotated for lever dolly, reaction spring is articulated in the side that lever dolly is positioned at fixed pivot, dynamic iron core stretches out the opposite side of the end connection lever dolly of electromagnetic mechanism, when electromagnetism close/open machine separating brake, the reaction spring being positioned at fixed pivot side is the point of application, pull lever support rotates around fixed pivot, lever dolly rotates and drives dynamic iron core to move to the initial position away from fixed core, when electromagnetism close/open machine closes a floodgate, be positioned at lever dolly opposite side and the dynamic iron core connecting lever dolly is the point of application, dynamic iron core is moved to attracted position by initial position under electromagnetic attraction, dynamic motion pull lever support unshakable in one's determination rotates around fixed pivot, the energy storage of lever dolly rotating band dynamical reaction spring elongation, the present invention is by the ingehious design of lever dolly, reaction spring is arranged at the side of electromagnetic mechanism, greatly reduce the height dimension of electromagnetism close/open machine entirety, and lever dolly extends the height dimension that reduce further electromagnetism close/open machine in the horizontal direction, and then reduce the height dimension of the multi-functional terminal end electric equipment products using this electromagnetism close/open machine, being conducive to multi-functional terminal end electric equipment products loads in the conventional ammeter box of current national grid, in addition, the present invention, by the setting of the structure that is connected, solves lever dolly rotary motion and links with dynamic unshakable in one's determination rectilinear motion vertically and the problem of not interfering, described energy-saving mechanism comprises the lock catch unit for being pinned by the described dynamic iron core moving to described attracted position by described initial position after described coil electricity, and link with described dynamic iron core, the power saving unit of described coil blackout is controlled after described dynamic iron core departs from described initial position, by the setting of described energy-saving mechanism, make described dynamic iron core in described coil electricity moment, started by described initial position fast under the effect of electromagnetic attraction and move to described attracted position, the moment departing from described initial position is started at described dynamic iron core, the power saving unit of described energy-saving mechanism controls described coil blackout, and after described dynamic iron core moves to described attracted position, by described lock catch unit, described dynamic iron core is locked in described attracted position, thus achieve described dynamic iron core and remain on described attracted position, while maintaining the combined floodgate of mechanism, described coil is not charged, the coil difficult problem that must be energized when solving this area electromagnetic mechanism closes a floodgate all the time, save a large amount of electric energy, and what the lock catch unit of the present embodiment adopted is mechanical buckle structure, adopt permanent magnet technology locking dynamic unshakable in one's determination compared to existing technology, locking effect is better, not easily thread off, improve job stability and the reliability of electromagnetic operating mechanism.
2. compact electromagnetic operating mechanism of the present invention, the described structure that is connected comprises the projecting end connecting described second stake body and described dynamic iron core, thus the connector mutually driven that can interact both making, and relatively described second stake body and described dynamic iron core arbitrary generation relative horizontal movement can be provided to prevent described second stake body rotary motion and the described dynamic iron core activity space that interferes of rectilinear motion vertically for described connector when described electromagnetism close/open machine action, the described structure structure that is connected is simple, and easily realizes.
3. compact electromagnetic operating mechanism of the present invention, described lever dolly is shaped to flat structure, this structure can make electromagnetic operating mechanism of the present invention reduce further on height dimension, thus is more conducive to using the multi-functional terminal end electrical equipment of this electromagnetic operating mechanism to be encased in ammeter box.
4. compact electromagnetic operating mechanism of the present invention, described installation cavity is the rectangular shape mated with described moving contact, by the setting of rectangle installation cavity, the area that described moving contact and described lever dolly are fixedly contacted increases, and adds the reliability that moving contact is fixing.
5. compact electromagnetic operating mechanism of the present invention, described is same component by latch fitting and described connector, make electromagnetic operating mechanism structure more succinct, described power saving unit comprises the pressing piece and sensitive switch that link with described dynamic iron core, structure is simple, cost is low, and therefore, energy-saving mechanism structure of the present invention is simple, cost is low and easily realize.
6. compact electromagnetic operating mechanism of the present invention, described rotor plate is set to two symmetrically in limited space, makes the locking effect of described lock catch unit to described dynamic iron core more firm.
7. compact electromagnetic operating mechanism of the present invention; described energy-saving mechanism also comprises automatic trip unit; by the setting of described automatic trip unit; not only make when subscriber arrearage; the instruction that described electromagnetic operating mechanism can receive intelligent electric meter realizes automatic brake separating, carries out power-off to user, and when circuit breaks down; can also automatically order about electromagnetic operating mechanism separating brake, realize the protection to electromagnetic operating mechanism.
8. compact electromagnetic operating mechanism of the present invention, described energy-saving mechanism also comprises hand tripping unit, by the setting of described hand tripping unit, make intelligent electric meter or multi-functional terminal end electrical equipment when needing repairing or check, operator manually can carry out separating brake to electromagnetic operating mechanism, avoids causing operator's accidental shock to injure.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the three-dimensional structure diagram of compact electromagnetic operating mechanism embodiment of the present invention;
Fig. 2 is the overall structure figure of the embodiment 1 of electromagnetism close/open machine in compact electromagnetic operating mechanism embodiment of the present invention;
Fig. 3 is that in compact electromagnetic operating mechanism embodiment of the present invention, electromagnetism close/open machine saves the three-dimensional structure diagram after fixed support, and wherein, electromagnetic mechanism is in attracting state;
Fig. 4 is that in compact electromagnetic operating mechanism embodiment of the present invention, electromagnetism close/open machine saves the three-dimensional structure diagram after fixed support, and wherein, electromagnetic mechanism is in disengaged condition.
Fig. 5 is the three-dimensional structure diagram after the upper cover saving coil, coil rack and lever dolly in Fig. 2;
Fig. 6 is the three-dimensional structure diagram after the upper cover saving coil, coil rack and lever dolly in Fig. 3;
Fig. 7 is the three-dimensional structure diagram of the base of electromagnetism close/open machine in compact electromagnetic operating mechanism embodiment of the present invention;
Fig. 8 is the dynamic iron core of electromagnetism close/open machine and the cooperation figure of lateral pin in compact electromagnetic operating mechanism embodiment of the present invention;
Fig. 9 is the support bracket fastened three-dimensional structure diagram of electromagnetism close/open machine in compact electromagnetic operating mechanism embodiment of the present invention;
Figure 10 is that in compact electromagnetic operating mechanism embodiment of the present invention, another embodiment of electromagnetism close/open machine saves the three-dimensional structure diagram after fixed support, reaction spring;
Figure 11 is the front view of Fig. 9;
Figure 12 is that in compact electromagnetic operating mechanism embodiment of the present invention, energy-saving mechanism coordinates figure with electromagnetism close/open machine, and wherein, described energy-saving mechanism is in snap close state;
Figure 13 is that in compact electromagnetic operating mechanism embodiment of the present invention, in energy-saving mechanism, part-structure coordinates figure with electromagnetism close/open machine;
Figure 14 is that the hand tripping unit of energy-saving mechanism in compact electromagnetic operating mechanism embodiment of the present invention coordinates figure with lock catch unit and electromagnetism close/open machine;
Figure 15 be power saving unit and the fixed support of energy-saving mechanism in compact electromagnetic operating mechanism embodiment of the present invention and locking piece coordinate figure;
Figure 16 is that in compact electromagnetic operating mechanism embodiment of the present invention, energy-saving mechanism coordinates figure with electromagnetism close/open machine, and wherein, described energy-saving mechanism is in released state;
Figure 17 is the structural representation of the locking piece of energy-saving mechanism in compact electromagnetic operating mechanism embodiment of the present invention.
Description of reference numerals:
2101-coil, 2102-fixed core, 2103-is dynamic unshakable in one's determination, 2104-reaction spring, 2105-lever dolly, 2106-first stake body, 2107-second stake body, 2108-first through hole, 2109-second through hole, 2110-lateral pin, 2111-horizontal slotted hole, 2112-installation cavity, 2113-upper cover, 2114-base, 2115-pivot pin, 2116-pivot, 2117-pivot hole, 2118-bottom opening, 2124-first links up with;
2202-by lock section, 2203-locking piece, 2204-reset bias piece, 2205-lock buckling groove, 2206-pressing piece, 2207-sensitive switch, 2208-normally opened contact, 2209-press-side, 2210-fixed pivot axi, 2211-connects firmware, and 2212-threads off end, and 2213-is triggered portion, 2214-return unit, 2215-small-sized DC electromagnet, 2216-pulling piece, 2217-driving member, 2218-fixed support, 2219-sidewall, 2220-extension, the longitudinal strip through-hole of 2221-, 2222-cross through hole;
2301-fixed support, 2302-sidewall, 2303-diapire, 2304-link, 2305-fixing hole, the longitudinal strip through-hole of 2306-, 2307-second links up with, 2308-bracing piece;
401-moving contact, 402-moving contact.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
As shown in Figure 1, the present embodiment provides a kind of compact energy-saving electromagnetic operating mechanism, be applicable to be equipped with intelligent electric meter in the multi-functional terminal end electrical equipment used, the energy-saving mechanism that described compact energy-saving electromagnetic operating mechanism comprises electromagnetism close/open machine and coordinates described electromagnetism close/open machine to use.
Wherein, described electromagnetism close/open machine comprises electromagnetic mechanism and close/open machine, electromagnetic mechanism similar in described electromagnetic mechanism and prior art, comprise coil 2101, fixed core 2102 and can along dynamic unshakable in one's determination 2103 of described coil 2101 axial reciprocating rectilinear motion, described dynamic unshakable in one's determination 2103 have the initial position before described coil 2101 is energized and after described coil 2101 is energized, moves to the attracted position of described fixed core 2102 and the adhesive of described fixed core 2102.In the present embodiment, described electromagnetic mechanism essence is electromagnet, be preferably less, the electric current of volume and suction is more stable, noise is little DC electromagnet, but electromagnetic mechanism is not limited to DC electromagnet in the present invention, can also be the alternating electromagnet that volume is comparatively large, startup suction is large in other applicable situations.
Described close/open machine associates with the moving contact 401 of contact system, it comprises reaction spring 2104 and divide-shut brake assembly, described reaction spring 2104 is applied to described dynamic unshakable in one's determination 2103 axial reaction force continued by described divide-shut brake assembly, to make described dynamic unshakable in one's determination 2103 can move to described initial position by described attracted position fast, and then the action of described moving contact 401 is driven to realize separating brake; Described dynamic unshakable in one's determination 2103 after described coil 2101 is energized, and the lasting axial reaction force being overcome the applying of described reaction spring 2104 by described divide-shut brake assembly moves to attracted position by described initial position, and then drives described moving contact 401 action to realize closing a floodgate.
Particularly, in the present embodiment, as shown in Figures 2 and 3, described divide-shut brake assembly comprises the lever dolly 2105 being arranged at and also extending in the horizontal direction above described electromagnetic mechanism, and for supporting described lever dolly 2105 and making the fixed pivot that described lever dolly 2105 can rotate around it.
Wherein, described lever dolly 2105 comprises the first stake body 2106 and the second stake body 2107 being positioned at described fixed pivot both sides, described first stake body 2106 is connected with the upper end of described reaction spring 2104 away from the free end of described fixed pivot, the upper end being specially described reaction spring 2104 is mounted on the first shaping hook 2124 of the described free end of described first stake body 2106, and the lower end of described reaction spring 2104 is connected with fixture.Described second stake body 2107 is suitable for fixing described moving contact 401 away from the free end of described fixed pivot, the lower surface of moving contact 401 is fixed with moving contact 402, suitable position between the described free end of described second stake body 2107 and described fixed pivot, by dynamic unshakable in one's determination 2103 ends of stretching out from described electromagnetic mechanism described in anatomical connectivity that are connected, realizes linking around rotary motion and described dynamic unshakable in one's determination 2103 rectilinear motion vertically of described fixed pivot to make described second stake body 2107.It should be noted that, as shown in Figure 3, described appropriate location refers to that described second stake body 2107 is along the middle part in its horizontal-extending direction or near middle position.
As shown in Figure 3 and Figure 4, when electromagnetism close/open machine closes a floodgate, described coil 2101 is energized and produces electromagnetic attraction, described dynamic unshakable in one's determination 2103 are moved to the attracted position with described fixed core adhesive by its initial position under the effect of described electromagnetic attraction, described dynamic unshakable in one's determination 2103 ends of stretching out from described electromagnetic mechanism are by pulling with it by described second stake body of the anatomical connectivity that is connected downwards, described lever dolly rotates clockwise around described fixed pivot under the pulling force effect of described dynamic iron core, the reaction spring that upper end is connected to lever dolly opposite side lever dolly rotate clockwise drive under be stretched, the energy storage of described reaction spring 2104, described electromagnetism close/open machine completes combined floodgate, when electromagnetism close/open machine separating brake, the power-off of described coil 2101, described electromagnetic attraction disappears, the described reaction spring 2104 being in energy storage state releases energy, pull the free end of the first stake body of described lever dolly, lever dolly is rotated counterclockwise, and the second stake body of lever dolly drives described dynamic iron core to be moved to initial position by its attracted position by the structure that is connected, and described electromagnetism close/open machine completes separating brake.
In the present embodiment, the present embodiment is by the ingehious design of lever dolly, reaction spring is arranged at the side of electromagnetic mechanism, greatly reduce the height dimension of electromagnetism close/open machine entirety, and lever dolly extends the height dimension that reduce further electromagnetism close/open machine in the horizontal direction, and then reduce the height dimension of the multi-functional terminal end electric equipment products using this electromagnetism close/open machine, be conducive to multi-functional terminal end electric equipment products and load in the conventional ammeter box of current national grid; In addition, the present embodiment, by the setting of the structure that is connected, solves lever dolly rotary motion and links with dynamic unshakable in one's determination rectilinear motion vertically and the problem of not interfering.
In the present embodiment, described energy-saving mechanism comprises for described dynamic unshakable in one's determination 2103 lock catch units pinned by being moved to described attracted position after described coil 2101 is energized by described initial position, and link with described dynamic unshakable in one's determination 2103, control the power saving unit of described coil 2101 power-off after departing from described initial position described dynamic unshakable in one's determination 2103.
By the setting of described energy-saving mechanism, described dynamic iron core is energized moment at described coil 2101, started by described initial position fast under the effect of electromagnetic attraction and move to described attracted position, the moment departing from described initial position is started described dynamic unshakable in one's determination 2103, the power saving unit of described energy-saving mechanism controls the power-off of described coil 2101, and after moving to described attracted position described dynamic unshakable in one's determination 2103, by described lock catch unit, described dynamic iron core is locked in described attracted position, thus achieve described dynamic iron core and remain on described attracted position, while maintaining the combined floodgate of mechanism, described coil is not charged, the coil difficult problem that must be energized when solving this area electromagnetic mechanism closes a floodgate all the time, save a large amount of electric energy, and what the lock catch unit of the present embodiment adopted is mechanical buckle structure, adopt permanent magnet technology locking dynamic unshakable in one's determination compared to existing technology, locking effect is better, not easily thread off, improve job stability and the reliability of electromagnetic operating mechanism.
In the present embodiment, as shown in Figure 5, the described structure that is connected comprises and connects described second stake body 2107 and the described dynamic projecting end of unshakable in one's determination 2103, the connector that can mutually drive to make both, and when the action of electromagnetism close/open machine, relatively described second stake body 2107 and described dynamic 2103 arbitrary generation relative horizontal movement unshakable in one's determination can be provided, to prevent described second stake body 2107 rotary motion and described dynamic unshakable in one's determination 2103 activity space that interferes of rectilinear motion vertically for described connector.
Particularly, in the present embodiment, described connector and described second stake body 2107 are fixedly installed, the projecting end of described connector and described dynamic iron core is movable setting, and this activity arranges and is embodied as: the described dynamic projecting end of unshakable in one's determination 2103 forms the described activity space of the horizontal slotted hole 2111 for the horizontal movement wherein of described connector.
As shown in Figure 6, during described electromagnetism close/open machine separating brake, described lever dolly is under the pulling of described reaction spring, rotate counterclockwise around described fixed pivot, described second stake body 2107 drives described connector to do along counterclockwise arc orbiting motion, describedly can resolve into rectilinear motion upwards and horizontal rectilinear motion left along counterclockwise arc orbiting motion, described connector upwards rectilinear motion micromotion drive described dynamic iron core by the attracted position of below move to top initial position, described connector horizontal rectilinear motion is left presented as the horizontal movement of relatively described dynamic iron core in described horizontal slotted hole 2111.Described electromagnetism close/open machine making process is the inverse process with electromagnetism close/open machine separating brake described above, and principle is identical, repeats no more.
In the present embodiment, as shown in figures 3 and 8, described connector is the lateral pin 2110 through described second stake body 2107 two side and described dynamic 2103 projecting end unshakable in one's determination; Described second stake body 2107 two side forms the first through hole 2108 with described lateral pin 2110 secure fit; The described dynamic projecting end of unshakable in one's determination 2103 forms the second through hole 2109 passed for described lateral pin 2110, and described second through hole 2109 is adjacent the described horizontal slotted hole 2111 be communicated with it.
It should be noted that, the present invention be not limited to above-mentioned described in be connected this kind of structure of structure, as a kind of alternative way of the above-mentioned structure that is connected, as shown in Figure 10, the described structure that is connected can also be: described connector and described dynamic 2103 projecting end unshakable in one's determination are fixedly installed, thus when both move, track is identical; Described activity space, for taking shape on described second stake body 2107, supplies the kidney-shaped slotted eye 2127 of described connector relatively described second stake body 2107 movement in a curve wherein.
As shown in Figure 10 and Figure 11, described connector is the lateral pin 2110 through described second stake body 2107 two side and described dynamic 2103 projecting end unshakable in one's determination; Described dynamic 2103 projecting end unshakable in one's determination form the third through-hole with described lateral pin 2110 secure fit; Described second stake body 2107 two side forms the fourth hole 2128 passed for described lateral pin 2110, and described fourth hole 2128 is adjacent the described kidney-shaped slotted eye 2127 be communicated with it.
Having the be connected course of work of divide-shut brake of electromagnetism close/open machine of structure of this kind is:
Separating brake process: after buckle structure is removed, described reaction spring is applied to the free end elastic pulling force of the first stake body of lever dolly, described lever dolly rotates clockwise around described pivot 2116 under the elastic force effect of described reaction spring, described second stake body 2107 drives described lateral pin 2110 to move upward when rotating by the sidewall of fourth hole 2128, because the movement locus of described second stake body 2107 is clockwise arc track, and the movement locus of the lateral pin be fixedly installed with dynamic iron core is rectilinear motion upwards, therefore, if there is no the setting of activity space, both athletic meeting interfere, in the present embodiment, the upwards rectilinear motion of described lateral pin can resolve into the clockwise arc identical with described second stake body 2107 movement locus and to move and along relatively described second stake body 2107 of described kidney-shaped slotted eye 2127 upwards rectilinear motion, by the setting of the kidney-shaped slotted eye 2127 on described second stake body 2107, avoid described lateral pin 2110 upwards rectilinear motion and described second stake body 2107 clockwise arc motion interference problem.
Making process is the inverse process of separating brake process: coil electricity, described dynamic iron core drives described lateral pin 2110 rectilinear motion downwards, the two ends of described lateral pin 2110 promote the sidewall of the fourth hole 2128 of described second stake body 2107, overcome the reverse elastic force of described reaction spring 2104, described second stake body 2107 is driven to rotate counterclockwise, the rectilinear motion that the downward rectilinear motion of described lateral pin 2110 can be decomposed into the counterclockwise circular motion identical with described second stake body 2107 and move downward along relatively described second stake body 2107 of described kidney-shaped slotted eye 2127.
The overall height dimension of compression electromagnetic operating mechanism, for most important the multi-functional terminal end electrical equipment that can load in ammeter box, therefore, in the present embodiment, in order to reduce the overall height dimension of the electromagnetic operating mechanism of the present embodiment further, as shown in Figure 3, described lever dolly 2105 have employed the structure of flat.
In addition, in order to make electromagnetism close/open machine more compact structure, as illustrated in figs. 5-7, the bottom of described second stake body 2107 forms the bottom opening 2118 stretched into for described dynamic 2103 projecting end unshakable in one's determination, thus make the described dynamic projecting end of unshakable in one's determination 2103 extend into the inside of described lever dolly 2105, then create a further reduction electromagnetic operating mechanism overall height dimension.
In the present embodiment, as illustrated in figs. 5-7, the concrete structure of described fixed pivot is: comprise the pivot 2116 in the fixture being fixed on multi-functional terminal end electrical equipment inside and be molded on described lever dolly 2105, for described pivot 2116 through and can pivot hole 2117 relatively turnable with described pivot 2116.
In order to holding structure symmetry and stability, in the present embodiment, preferably adopt two corresponding described pivot hole 2117 arranged, the end that pivot hole 2117 described in two is respectively used to described pivot 2116 corresponding is with it passed.
Again further, described pivot 2116 is cylindrical shaft, the manhole of described pivot hole 2117 described pivot 2116 diameter for diameter is a bit larger tham.
It should be noted that, described pivot 2116 is not limited to the shaft-like structure be molded as one, and in other embodiments, described pivot 2116 can also be Split type structure, two splits are respectively the shaft-like structure of short shape, and penetrate into respectively in corresponding described pivot hole 2117.
In the present embodiment, as shown in fig. 3 to 7, described lever dolly 2105 comprises the housing with insulation property and takes shape in described enclosure interior, for installing the installation cavity 2112 of described moving contact 401.By having the setting of the housing of insulation property, can prevent the electric arc produced when described moving contact 401 and fixed contact moment disjunction from injuring the internal structure of electromagnetism close/open machine.Described housing is preferably plastic material, but is not limited to plastic material.
In the present embodiment, the damascene structures formed with described moving contact 401 by described installation cavity 2112, makes the fixing more reliable of moving contact 401.Further, as shown in Figure 7, described installation cavity 2112 is the rectangular shape mated with described moving contact 401, and described rectangle installation cavity 2112 bearing of trend is consistent along horizontal-extending direction with described lever dolly 2105.
Described housing comprises upper cover 2113 and base 2114, and described base 2114 inside forms described installation cavity 2112.
The energy-saving mechanism of the present embodiment, be mainly used in coordinating the electromagnetism close/open machine of the present embodiment to use, but be not limited to again the electromagnetism close/open machine of the present embodiment, realize the mechanism that certain parts remains on service position be likely all suitable for this energy-saving mechanism by consuming electric energy or other energy.The object that this energy-saving mechanism will realize to ensure that electromagnetism close/open machine or other mechanisms carry out work in original mode, can realize again electromagnetic mechanism in working order time realize zero-power.
In the energy-saving mechanism of the present embodiment, as shown in Figure 12 and Figure 17, described lock catch unit comprises by latch fitting 2201 and locked component, is describedly connected described dynamic unshakable in one's determination 2103 by latch fitting 2201 and together moves with described dynamic unshakable in one's determination 2103, is describedly formed by lock section 2202 by latch fitting 2201; Described locked component is arranged at described by latch fitting 2201 side, the reset bias piece 2204 that described locked component comprises rotating locking piece 2203 and is applied on described locking piece 2203, described locking piece 2203 forms lock buckling groove 2205, described lock buckling groove 2205 is suitable for when described dynamic unshakable in one's determination 2103 move to described attracted position, be subject to the reset partial pressure of described reset bias piece 2204, turn to and suppress described dynamic unshakable in one's determination 2103 buckle structures moved to described initial position with described to be formed by lock section 2202.
Preferably, described is same component by the described connector in latch fitting and described electromagnetism close/open machine, and this spline structure is more succinct.But it is same component by latch fitting and described connector that the present invention is not limited to described, in other applicable situations, described can also be two different components by latch fitting and described connector.
In the energy-saving mechanism of the present embodiment, described power saving unit and described dynamic unshakable in one's determination 2103 links and arranges, and described power saving unit controls the power-off of described coil 2101 when described dynamic unshakable in one's determination 2103 are moved to described attracted position by described initial position.
By the setting of described lock catch unit and described power saving unit, adhesive fixed core is moved under the electromagnetic attraction effect that described dynamic iron core is produced instantaneously at coil electricity, described lock catch unit keeps the adhesive unshakable in one's determination of described sound, meanwhile, described power saving unit controls described coil blackout after described coil electricity moment, thus realizes described electromagnetism close/open machine operationally, namely under attracting state, described coil, without the need to energising, realizes zero-power.
Described dynamic iron core is pinned by mechanical lock buckle structure by the present embodiment, to keep the mode of described dynamic adhesive fixed core unshakable in one's determination, good reliability, and, by the setting of described reset bias piece, the reliability of buckle structure is improved further.
Particularly, as shown in Figure 12, Figure 15 and Figure 16, described power saving unit comprises pressing piece 2206 and sensitive switch 2207, wherein, described pressing piece 2206 and described dynamic unshakable in one's determination 2103 links and arranges, and described pressing piece 2206 forms press-side 2209, and described sensitive switch 2207 is series in described coil 2101 circuit, have open position and off-position, described sensitive switch 2207 has the normally opened contact 2208 of corresponding described open position.
During use, the press-side 2209 of described pressing piece 2206 is when described dynamic unshakable in one's determination 2103 move to described attracted position by described initial position, press described normally opened contact 2208 and switch to described off-position to make described sensitive switch 2207 by described open position, thus control the power-off of described coil 2101; After the press-side 2209 of described pressing piece 2206 departs from described normally opened contact 2208 with described dynamic 2103 actions unshakable in one's determination, described sensitive switch 2207 is switched back to the open position conducted with described coil 2101 by off-position.This power saving unit structure is simple, cost is low, volume is little, is conducive to the overall volume reducing the present embodiment energy-saving mechanism, further, is conducive to the overall volume of the multi-functional terminal end electrical equipment reducing the energy-saving mechanism using the present embodiment.
As the alternative form of one of the described power saving unit of the present embodiment, described power saving unit comprises pressing piece 2206 and sensitive switch 2207, wherein, described pressing piece 2206 and described dynamic unshakable in one's determination 2103 links and arranges, and described pressing piece 2206 forms press-side 2209; Described sensitive switch 2207 is series in described coil 2101 circuit, there is open position and off-position, described sensitive switch 2207 has the normally opened contact 2208 corresponding with described off-position, the press-side 2209 of described pressing piece 2206 presses described normally opened contact 2208 when described dynamic unshakable in one's determination 2103 are in described initial position makes described sensitive switch 2207 be in described open position, thus described sensitive switch 2207 is conducted with described coil 2101; The press-side 2209 of described pressing piece 2206 is when described dynamic unshakable in one's determination 2103 move to described attracted position by initial position, depart from described normally opened contact 2208 and switch back described off-position to make described sensitive switch 2207 by described open position, thus control the power-off of described coil 2101.
Further, in the present embodiment, as shown in Figure 13, Figure 14 and Figure 15, describedly the end of described electromagnetism close/open machine is stretched out and the lateral pin 2110 arranged with described end vertical by latch fitting 2201 for running through described dynamic unshakable in one's determination 2103; As shown in Figure 6, described locking piece 2203 is for being arranged at the rotor plate of described lateral pin 2110 side, and described rotor plate can rotate around fixed pivot axi 2210, and described rotor plate and described lateral pin corresponding section form described lock buckling groove 2205; Described reset bias piece 2204 described rotor plate for one end is mounted on described lateral pin opposite side position, the other end is mounted on the extension spring in fixture.
Again further, in the present embodiment, as shown in figure 14, described rotor plate is preferably set to two, be arranged in described lateral pin two ends vertically respectively, be fixedly connected with by connecting firmware 2211 between rotor plate described in two, the both ends of described lateral pin are coordinate with the described lock buckling groove 2205 of described rotor plate described by lock section 2202.Two rotor plate interlocks, when locking, the lock buckling groove of two rotor plates locks the both ends of lateral pin simultaneously.This kind is arranged so that the locking reliability of lock catch unit to dynamic iron core improves further.
In the present embodiment, described power saving unit also comprises automatic trip unit, for receiving dropout instruction and action, triggering described locking piece 2203 and rotating backward after the described dropout instruction of reception, is departed from snap close to make described locking piece 2203 with described by latch fitting.
Described automatic trip unit, when subscriber arrearage, described automatic trip unit receives the dropout instruction that intelligent electric meter sends to multi-functional terminal end electrical equipment, and action after the described dropout instruction of reception, trigger described locking piece to rotate backward, thus make described locking piece 2203 be departed from snap close with described by latch fitting 2201, the buckle structure acting on described dynamic iron core is removed, described dynamic iron core departs from fixed core fast under the pulling force effect of reaction spring, and drive the moving contact of multi-functional terminal end electrical equipment to depart from fixed contact, realize automatic brake separating.
Further, the concrete structure of described automatic trip unit for: as shown in Figure 12 and Figure 16, described automatic trip unit comprises the dropout end 2212 with retracted position and release location, described dropout end 2212 is after described automatic trip unit receives dropout instruction, move to described release location by described retracted position and the portion that is triggered 2213 triggering described locking piece 2203 rotates backward to make described locking piece 2203, thus described lock buckling groove 2205 is departed from by lock section 2202 with described.Described dropout end 2212 described lock buckling groove 2205 with described departed from by lock section 2202 after, pushed back to described retracted position by with described dynamic unshakable in one's determination 2103 return units 2214 arranged that link.
In the present embodiment energy-saving mechanism, described automatic trip unit is preferably small-sized DC electromagnet 2215, and described dropout end 2212 is the first dynamic unshakable in one's determination 2103 ends of stretching out from described small-sized DC electromagnet of small-sized DC electromagnet.
In addition, as shown in figs. 1 and 14, the described energy-saving mechanism of the present embodiment also comprises hand tripping unit, is rotated backward described in manual triggers by latch fitting 2201, is departed from snap close to make described locking piece 2203 with described by latch fitting 2201.Particularly, in the present embodiment, described hand tripping unit comprises the pulling piece 2216 be arranged on above described lock catch unit, and drive and the driving member 2217 that arrange corresponding to described locking piece 2203 by described pulling piece 2216, described pulling piece 2216 drives the action of described driving member 2217 after pulling, and then drive described locking piece 2203 to rotate backward, thus make the lock buckling groove 2205 of described locking piece 2203 depart from described by latch fitting 2201 by lock section 2202.
By the setting of described automatic trip unit and hand tripping unit; when making the compact energy-saving electromagnetic operating mechanism of the present embodiment be applied to multi-functional terminal end electrical equipment; auto-breaking when not only can realize subscriber arrearage or automatically thread off with protective circuit when breaking down, in needs maintenance or can also carry out manual power-off to carry out safety operation when safeguarding.
In the present embodiment, the lower end of described reaction spring 2104, one end of described pivot 2116 and described extension spring all needs to be fixed by described fixture or to be located, in the present embodiment, as Fig. 1, 2, 9, 12, 13, 15, shown in 16, described fixture is be surrounded on described electromagnetism close/open machine and be positioned at directly over described electromagnetism close/open machine the fixed support 2301 outside the described energy-saving mechanism of part, described fixed support 2301 has the two corresponding sidewall 2302 arranged and the diapires 2303 be connected to bottom described two side 2302, sidewall 2302 described in two and described pivot 2116 corresponding position form the fixing hole 2305 of fixing described pivot 2116 both ends respectively and pass and the longitudinal strip through-hole 2306 moved betwixt for described lateral pin 2110 both ends forming respectively with corresponding position, described lateral pin 2110 both ends, described diapire 2303 forms and stretches out, for mounting the link 2304 of described reaction spring 2104 lower end, the end of described link 2304 forms the second hook 2307 that the lower end for described reaction spring 2104 mounts.Sidewall 2302 described in two is being respectively arranged with fixed pivot axi 2210 with rotor plate corresponding position described in two, and described rotor plate is installed in rotation on fixed support 2301 by described fixed pivot axi 2210.
In order to strengthen the intensity of described fixed support 2301, described fixed support 2301 two described in be connected with two bracing pieces 2308 between sidewall 2302, in the present embodiment, described bracing piece 2308 is fixed between two side 2302 by welding manner.
As shown in Fig. 1, Figure 12 and Figure 16, the part energy-saving mechanism be positioned at directly over described electromagnetism close/open machine comprises: two rotor plates and hand tripping unit.And trip unit and power saving unit are all arranged at above the side of electromagnetism close/open machine automatically.
Specifically he, in the present embodiment, as shown in Figure 12 and Figure 16, described small-sized DC electromagnet 2215 is fixedly mounted on the outer surface of described fixed support 2301 wherein sidewall 2302 described in, as shown in Figure 5, described small-sized DC electromagnet 2215 is fixedly mounted on the top position of the outer surface of the left side sidewall 2302 of described fixed support 2301, the first dynamic projecting end of unshakable in one's determination 2103 of described small-sized DC electromagnet 2215 down, the below certain distance correspondence of the described first dynamic 2103 projecting end unshakable in one's determination is provided with the portion of being triggered 2213, in the present embodiment, the described formation being triggered portion 2213 is such: described connection firmware 2211 is fixedly connected with extension 2220, described extension 2220 one end is fixed on the outer surface of connection firmware 2211 by bolt structure, the other end stretches to first dynamic a distance, below of unshakable in one's determination 2103, the described portion 2213 that is triggered is described extension 2220 and stretches to end below first dynamic unshakable in one's determination 2103.
After small-sized DC electromagnet 2215 receives dropout instruction, described first dynamic unshakable in one's determination 2103 releases fast, its projecting end impacts the end of the described extension 2220 in below after running described certain distance, after described extension 2220 is subject to the described first dynamic impact force of unshakable in one's determination 2103, band follower link, two rotor plates rotate backward around described fixed pivot axi 2210, lock buckling groove on described rotor plate and lateral pin removed snap close by lock section, described dynamic unshakable in one's determination 2103 depart from fixed core fast under the effect of reaction spring pulling force, realize separating brake.
As shown in Figure 12 and Figure 16, in the present embodiment, described fixed support 2301 two described in sidewall 2302 form to pass for described lateral pin and along longitudinal strip through-hole 2306 of described dynamic 2103 axial reciprocating rectilinear motions unshakable in one's determination; Described pressing piece 2206 is slidably disposed on the outer surface of the described sidewall 2302 identical with described small-sized DC electromagnet 2215, described pressing piece 2206 forms for described lateral pin through and the bearing of trend cross through hole 2222 vertical with described longitudinal strip through-hole 2306.Described return unit 2214 is molded as one structure with described pressing piece 2206.
When the lock buckling groove on described rotor plate and described lateral pin removed snap close by lock section after, described dynamic unshakable in one's determination 2103 under the pulling force effect of reaction spring fast upward motion depart from fixed core, described dynamic iron core moves upward and drives described lateral pin to move upward, the end that described lateral pin stretches out from longitudinal strip through-hole sidewall described in described fixed support two drives described pressing piece 2206 together to move upward, the return unit 2214 be wholely set with described pressing piece 2206 moves upward with described pressing piece 2206, described return unit 2214 the first dynamic unshakable in one's determination external part promoting described small-sized DC electromagnet that moves upward gets back to initial position, use in order to next time.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of amplifying out or variation be still among the protection range of the invention.

Claims (30)

1. a compact energy-saving electromagnetic operating mechanism, comprises
Electromagnetism close/open machine and the energy-saving mechanism coordinating described electromagnetism close/open machine to use,
Described electromagnetism close/open machine comprises
Electromagnetic mechanism, comprise coil (2101), fixed core (2102) and can along the dynamic iron core (2103) of described coil (2101) axial reciprocating rectilinear motion, described dynamic iron core (2103) has the initial position before described coil (2101) energising and after described coil (2101) energising, moves to the attracted position of described fixed core (2102) and described fixed core (2102) adhesive;
Close/open machine, associate with the moving contact (401) of contact system, comprise reaction spring (2104) and divide-shut brake assembly, described reaction spring (2104) is applied to the lasting axial reaction force of described dynamic iron core (2103) by described divide-shut brake assembly, to make described dynamic iron core (2103) described initial position can be moved to by described attracted position fast, and then described moving contact (401) action is driven to realize separating brake; Described dynamic iron core (2103) is after described coil (2101) energising, overcome by described divide-shut brake assembly the lasting axial reaction force that described reaction spring (2104) applies and move to attracted position by described initial position, and then drive described moving contact (401) action to realize closing a floodgate;
It is characterized in that:
Described divide-shut brake assembly comprises the lever dolly (2105) being arranged at and also extending in the horizontal direction above described electromagnetic mechanism, and for supporting described lever dolly (2105) and making the fixed pivot that described lever dolly (2105) can rotate around it, described lever dolly (2105) comprises the first stake body (2106) and the second stake body (2107) that are positioned at described fixed pivot both sides, described first stake body (2106) is connected with the upper end of described reaction spring (2104) away from the free end of described fixed pivot, the lower end of described reaction spring (2104) is connected with fixture, described second stake body (2107) is suitable for fixing described moving contact (401) away from the free end of described fixed pivot, suitable position between the described free end of described second stake body (2107) and described fixed pivot is by the end that described in anatomical connectivity, dynamic (2103) unshakable in one's determination stretch out from described electromagnetic mechanism that is connected, realize linking around the rotary motion of described fixed pivot and described dynamic iron core (2103) rectilinear motion vertically to make described second stake body (2107),
Described energy-saving mechanism comprises the lock catch unit for being pinned by the described dynamic iron core (2103) moving to described attracted position by described initial position after described coil (2101) energising, and link with described dynamic iron core (2103), after described dynamic iron core (2103) departs from described initial position, control the power saving unit of described coil (2101) power-off.
2. compact energy-saving electromagnetic operating mechanism according to claim 1, it is characterized in that: described in the structure that is connected comprise the projecting end that connects described second stake body (2107) and described dynamic iron core (2103) with the connector that can mutually drive both making, and relatively described second stake body (2107) and described dynamic iron core (2103) arbitrary generation relative horizontal movement can be provided to prevent described second stake body (2107) rotary motion and described dynamic iron core (2103) activity space that interferes of rectilinear motion vertically for described connector when described electromagnetism close/open machine action.
3. compact energy-saving electromagnetic operating mechanism according to claim 2, it is characterized in that: described connector and described second stake body (2107) are fixedly installed, described activity space, for taking shape in the projecting end of described dynamic iron core (2103), supplies the horizontal slotted hole (2111) of described connector horizontal movement wherein.
4. compact energy-saving electromagnetic operating mechanism according to claim 3, is characterized in that: described connector is the lateral pin (2110) through described second stake body (2107) two side and described dynamic iron core (2103) projecting end; Described second stake body (2107) two side forms the first through hole (2108) with described lateral pin (2110) secure fit; The projecting end of described dynamic iron core (2103) forms the second through hole (2109) passed for described lateral pin (2110), and described second through hole (2109) is adjacent the described horizontal slotted hole (2111) be communicated with it.
5. compact energy-saving electromagnetic operating mechanism according to claim 2, it is characterized in that: described connector and described dynamic iron core (2103) projecting end are fixedly installed, described activity space, for taking shape on described second stake body (2107), supplies the kidney-shaped slotted eye (2127) of described connector relatively described second stake body (2107) movement in a curve wherein.
6. compact energy-saving electromagnetic operating mechanism according to claim 5, is characterized in that: described connector is the lateral pin (2110) through described second stake body (2107) two side and described dynamic iron core (2103) projecting end; Described dynamic iron core (2103) projecting end forms the third through-hole with described lateral pin (2110) secure fit; Described second stake body (2107) two side forms the fourth hole (2128) passed for described lateral pin (2110), and described fourth hole (2128) is adjacent the described kidney-shaped slotted eye (2127) be communicated with it.
7. compact energy-saving electromagnetic operating mechanism according to claim 6, is characterized in that: described suitable position is that described second stake body (2107) is along the middle part in its horizontal-extending direction or near middle position.
8. compact energy-saving electromagnetic operating mechanism according to claim 7, is characterized in that: described lever dolly (2105) is in flat.
9. compact energy-saving electromagnetic operating mechanism according to claim 8, is characterized in that: the bottom of described second stake body (2107) forms the bottom opening (2118) stretched into for described dynamic iron core (2103) projecting end.
10. compact energy-saving electromagnetic operating mechanism according to claim 9, is characterized in that: described fixed pivot is for being fixed on fixture and the pivot (2116) be rotatably connected by pivot hole (2117) and described lever dolly (2105).
11. compact energy-saving electromagnetic operating mechanisms according to claim 10, is characterized in that: described pivot hole (2117) is set to two, are symmetrically arranged in described lever dolly (2105) both sides.
12. compact energy-saving electromagnetic operating mechanisms according to claim 11, it is characterized in that: described lever dolly (2105) comprises the housing with insulation property and takes shape in described enclosure interior, for installing the installation cavity (2112) of described moving contact (401).
13. compact energy-saving electromagnetic operating mechanisms according to claim 12, it is characterized in that: described installation cavity (2112) is the rectangular shape mated with described moving contact (401), and described rectangle installation cavity (2112) bearing of trend is consistent along horizontal-extending direction with described lever dolly (2105).
14. compact energy-saving electromagnetic operating mechanisms according to claim 13, it is characterized in that: described housing comprises upper cover (2113) and base (2114), and described base (2114) inside forms described installation cavity (2112).
15. compact energy-saving electromagnetic operating mechanisms according to claim 14, is characterized in that: described electromagnetic mechanism is DC electromagnet or alternating electromagnet.
16. compact energy-saving electromagnetic operating mechanisms according to any one of claim 2-15, it is characterized in that: described lock catch unit comprises by latch fitting and locked component, describedly connected described dynamic iron core (2103) by latch fitting and together move with described dynamic iron core (2103), describedly being formed by lock section (2202) by latch fitting, described locked component is arranged at described by latch fitting side, described locked component comprises rotating locking piece (2203) and is applied to the reset bias piece (2204) on described locking piece (2203), described locking piece (2203) forms lock buckling groove (2205), described lock buckling groove (2205) is suitable for when described dynamic iron core (2103) moves to described attracted position, be subject to the reset partial pressure of described reset bias piece (2204), turn to and formed with described the buckle structure suppressing described dynamic iron core (2103) to be moved to described initial position by lock section (2202).
17. compact energy-saving electromagnetic operating mechanisms according to claim 16, is characterized in that: described is same component by latch fitting and described connector.
18. compact energy-saving electromagnetic operating mechanisms according to claim 17, is characterized in that:
Described power saving unit comprises
Pressing piece (2206), link with described dynamic iron core (2103) and arrange, described pressing piece (2206) forms press-side (2209);
Sensitive switch (2207), is series in described coil (2101) circuit, has open position and off-position, and described sensitive switch (2207) has the normally opened contact (2208) of corresponding described open position;
The press-side (2209) of described pressing piece (2206) is when described dynamic iron core (2103) moves to described attracted position by described initial position, press described normally opened contact (2208) and switch to described off-position to make described sensitive switch (2207) by described open position, thus control described coil (2101) power-off;
After the press-side (2209) of described pressing piece (2206) departs from described normally opened contact (2208) with the action of described dynamic iron core (2103), described sensitive switch (2207) is switched back to the open position conducted with described coil (2101) by off-position.
19. compact energy-saving electromagnetic operating mechanisms according to claim 17, is characterized in that:
Described power saving unit comprises
Pressing piece (2206), link with described dynamic iron core (2103) and arrange, described pressing piece (2206) forms press-side (2209);
Sensitive switch (2207), is series in described coil (2101) circuit, has open position and off-position, and described sensitive switch (2207) has the normally opened contact (2208) corresponding with described off-position,
The press-side (2209) of described pressing piece (2206) presses described normally opened contact (2208) when described dynamic iron core (2103) is in described initial position makes described sensitive switch (2207) be in described open position, thus described sensitive switch (2207) and described coil (2101) are conducted;
The press-side (2209) of described pressing piece (2206) is when described dynamic iron core (2103) moves to described attracted position by initial position, depart from described normally opened contact (2208) and switch back described off-position to make described sensitive switch (2207) by described open position, thus control described coil (2101) power-off.
20. compact energy-saving electromagnetic operating mechanisms according to claim 17, is characterized in that: describedly stretched out the end of described electromagnetism close/open machine and the lateral pin (2110) arranged with described end vertical by latch fitting for running through described dynamic iron core (2103);
Described locking piece (2203) is for being arranged at the rotor plate of described lateral pin (2110) side, described rotor plate can rotate around fixed pivot axi (2210), and described rotor plate and described lateral pin (2110) corresponding section form described lock buckling groove (2205);
Described reset bias piece (2204) described rotor plate for one end is mounted on described lateral pin (2110) opposite side position, the other end is mounted on the extension spring in fixture.
21. compact energy-saving electromagnetic operating mechanisms according to claim 20, is characterized in that:
Described rotor plate is set to two, is arranged in described lateral pin (2110) two ends vertically respectively, is fixedly connected with described in two between rotor plate by connecting firmware (2211);
The both ends of described lateral pin (2110) are coordinate with the described lock buckling groove (2205) of described rotor plate described by lock section (2202).
22. compact energy-saving electromagnetic operating mechanisms according to claim 21, it is characterized in that: described power saving unit also comprises automatic trip unit, for receiving dropout instruction and action, after the described dropout instruction of reception, trigger described locking piece (2203) rotate backward, departed from snap close with described by latch fitting to make described locking piece (2203).
23. compact energy-saving electromagnetic operating mechanisms according to claim 22, it is characterized in that: described automatic trip unit comprises the dropout end (2212) with retracted position and release location, described dropout end (2212) is after described automatic trip unit receives dropout instruction, move to described release location by described retracted position and the portion that is triggered (2213) triggering described locking piece (2203) rotates backward to make described locking piece (2203), thus described lock buckling groove (2205) is departed from by lock section (2202) with described; Described dropout end (2212) described lock buckling groove (2205) with described departed from by lock section (2202) after, pushed back to described retracted position by with described dynamic iron core (2103) return unit (2214) arranged that links.
24. compact energy-saving electromagnetic operating mechanisms according to claim 23, is characterized in that:
Described automatic trip unit is small-sized DC electromagnet (2215), the end that first dynamic (2103) unshakable in one's determination that described end (2212) of threading off is small-sized DC electromagnet are stretched out from described small-sized DC electromagnet.
25. compact energy-saving electromagnetic operating mechanisms according to claim 24, it is characterized in that: described power saving unit also comprises hand tripping unit, rotated backward by latch fitting described in manual triggers, departed from snap close with described by latch fitting to make described locking piece (2203).
26. compact energy-saving electromagnetic operating mechanisms according to claim 25, is characterized in that:
Described hand tripping unit comprises the pulling piece (2216) be arranged on above described lock catch unit, and drive and the driving member (2217) that arrange corresponding to described locking piece (2203) by described pulling piece (2216), described pulling piece (2216) drives described driving member (2217) action after pulling, and then drive described locking piece (2203) to rotate backward, thus make the lock buckling groove of described locking piece (2203) (2205) depart from described by latch fitting by lock section (2202).
27. compact energy-saving electromagnetic operating mechanisms according to claim 26, is characterized in that:
Described fixture is be surrounded on described electromagnetism close/open machine and be positioned at directly over described electromagnetism close/open machine the fixed support (2301) outside the described energy-saving mechanism of part, described fixed support (2301) has the two corresponding sidewall (2302) arranged and the diapires (2303) being connected to bottom, described two side (2302), sidewall described in two (2302) and described pivot (2116) corresponding position form the fixing hole (2305) of fixing described pivot (2116) both ends respectively and pass and the longitudinal strip through-hole (2306) moved betwixt for described lateral pin (2110) both ends forming respectively with described lateral pin (2110) corresponding position, both ends, described diapire (2303) forms and stretches out, for mounting the link (2304) of described reaction spring (2104) lower end.
28. compact energy-saving electromagnetic operating mechanisms according to claim 27, is characterized in that:
Small-sized DC electromagnet (2215) is fixedly mounted on the outer surface of described fixed support (2301) wherein sidewall described in (2302), and the projecting end of first dynamic (2103) unshakable in one's determination is arranged down;
Described connection firmware (2211) is fixedly connected with extension (2220), and described extension (2220) has the portion that is triggered (2213) of the corresponding position, below stretching to described first dynamic (2103) projecting end unshakable in one's determination.
29. compact energy-saving electromagnetic operating mechanisms according to claim 28, is characterized in that:
Described fixed support (2301) two described in sidewall (2302) form to pass for described lateral pin and along longitudinal strip through-hole (2221) of described dynamic iron core (2103) axial reciprocating rectilinear motion;
Pressing piece (2206) is slidably disposed on the outer surface of the described sidewall (2302) identical with described small-sized DC electromagnet (2215), described pressing piece (2206) forms for described lateral pin through and the bearing of trend cross through hole (2222) vertical with described longitudinal strip through-hole (2221).
30. compact energy-saving electromagnetic operating mechanisms according to claim 29, is characterized in that:
Described return unit (2214) and described pressing piece (2206) are molded as one structure.
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EP4270439A1 (en) * 2022-04-28 2023-11-01 Nanjing Tianzhuo Electrical Technology Co., Ltd. Reclosing switch capable of stably opening and closing

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CN105575737B (en) * 2016-03-15 2017-10-20 佳一电气有限公司 A kind of circuit breaker operation mechanism and breaker
CN108878227B (en) * 2018-08-02 2024-04-12 浙江正泰电器股份有限公司 Novel circuit breaker with automatic switching-on and switching-off function

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ITMI20081092A1 (en) * 2008-06-17 2009-12-18 Gewiss Spa CONTROL DEVICE FOR AUTOMATIC RESET EQUIPMENT
CN102568934B (en) * 2012-02-21 2014-09-03 山东卓尔电气有限公司 Central locked straight running alternating-current contactor
CN202695350U (en) * 2012-07-24 2013-01-23 常熟开关制造有限公司(原常熟开关厂） Under-voltage tripper for breaker
CN203631438U (en) * 2013-12-19 2014-06-04 乐清市一锦电子有限公司 Auxiliary contact head with shunt release
CN204480980U (en) * 2014-10-31 2015-07-15 佳一电气有限公司 A kind of compact energy-saving electromagnetic operating mechanism

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Publication number Priority date Publication date Assignee Title
EP4270439A1 (en) * 2022-04-28 2023-11-01 Nanjing Tianzhuo Electrical Technology Co., Ltd. Reclosing switch capable of stably opening and closing

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