CN209487414U - External hanging type rectification module contactor with Overvoltage suppressing - Google Patents

Abstract

The utility model relates to a kind of external hanging type rectification module contactor with Overvoltage suppressing, including lower case, upper housing and contactor assembly, partition is set between the upper housing and the lower case, the contactor assembly includes magnetizer, pole piece, coil, static iron core, dynamic iron core, bracket, reaction spring, main touch panel, assist touch panel, main touching bridge, auxiliary touching bridge, touch bridge spring and arc extinction part, rectification module is set on the outer wall of the lower case, the rectification module includes module housing and rectifier stack, the rectifier stack is arranged in the module housing, the rectifier stack includes rectifier bridge, metalfilmresistor, capacitor and wiring board.Using external hanging type rectification module, rectifier bridge is not influenced by coil temperature rise, and contactor coil is that direct current supply can reduce noise, and replace conveniently；It is using metalfilmresistor and capacitor series connection and in parallel with rectifier bridge, Overvoltage suppressing can be played the role of, improve the service life of contactor.

Description

External hanging type rectification module contactor with Overvoltage suppressing

Technical field

The utility model belongs to power distribution equipment technical field, and in particular to a kind of external hanging type rectification mould with Overvoltage suppressing Block contactor.

Background technique

To reduce house land occupation in present housing construction, the overwhelming majority uses skyscraper, " Code for design of dwelling houses " GB50096-20116.4.1 is provided: the height of seven layers and seven layers or more houses or resident's entry level flooring away from outdoor design ground House more than 16m must be provided with elevator.In order to reduce shared area, passenger lift computer room volume, elevator enterprises are reduced as far as possible It is this manufacture machine-roomless lift as development trend.Machine-roomless lift is easy to produce noise, and the main source of noise is contact The motion and sound and current noise of device, the thus small requirement for being just able to satisfy machine-roomless lift of contactor noise.

Reduce the passage mode of contactor noise at present: first is that when contactor eliminates contactor work using DC coil Current noise, second is that reduce contactor action noise.Because elevator is that contactor usually provides AC power source, therefore need to pass through It rectifies to meet the requirement of contactor coil power supply.Most of contactors of domestic market pacify rectifier bridge and varistor parallel connection Mounted in the inside of contactor, the temperature rise of coil is likely to result in the damage of rectifier bridge, causes burning for coil, meanwhile, voltage is not Stablize (excessively high) varistor and be easy breakdown, causes short circuit.

Summary of the invention

To solve problems of the prior art, the utility model provides a kind of external hanging type rectification with Overvoltage suppressing Module contact device, including lower case, upper housing and contactor assembly, the lower case are connected with the upper housing, the contact Device assembly is arranged in the confined space of the upper housing and lower case composition, between the upper housing and the lower case Partition is set, and the contactor assembly includes being arranged in the intracorporal magnetizer of the lower casing, pole piece, coil, static iron core and dynamic iron Core and setting are in the intracorporal bracket of the upper casing, reaction spring, main touch panel, auxiliary touch panel, main touching bridge, auxiliary touching bridge, touching bridge Spring and arc extinction part, the coil are arranged between the magnetizer and the pole piece, and one end of the static iron core is fixed on institute It states on magnetizer and periphery is arranged in the coil, the reaction spring is arranged between the partition and the bracket, The main touching bridge, auxiliary touching bridge and touching bridge spring are respectively provided on the bracket, setting rectification mould on the outer wall of the lower case Block, the rectification module include module housing and rectifier stack, and the rectifier stack is arranged in the module housing, described whole Stream component includes rectifier bridge, metalfilmresistor, capacitor and wiring board, and the metalfilmresistor and the capacitor are connected, the gold Category film resistance is in parallel with the rectifier bridge in circuit, and the positive and negative anodes of the rectifier bridge connect to power supply plate by welding Connection, the exchange of the rectifier bridge is flanked to be connect with module terminal plate.

Preferably, protective cover is arranged in the upper housing upper end, and visual window is arranged on the protective cover.

In any of the above-described scheme preferably, the touching bridge spring includes auxiliary contact spring and main contact spring.

In any of the above-described scheme preferably, the auxiliary touch panel includes assisting normally closed touch panel and the normally opened touch panel of auxiliary.

In any of the above-described scheme preferably, the module housing includes module upper housing and module lower case, described Module upper housing is connected with the module lower case, and the rectifier stack is arranged in the module upper housing and the module lower casing In the closed structure of body composition.

The beneficial effects of the present invention are: rectifier bridge is not influenced by coil temperature rise, contactor using external hanging type rectification module Coil is that direct current supply can reduce noise, and replace conveniently；It is using metalfilmresistor and capacitor series connection and in parallel with rectifier bridge, It can play the role of Overvoltage suppressing, even if metalfilmresistor is breakdown, only metalfilmresistor and capacitor seriesing circuit can be made to hold Road, contactor remain to normal use, only need to replace rectification module in time, improve the service life of contactor.

Detailed description of the invention

Fig. 1 is the preferred embodiment according to the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Schematic diagram；

Fig. 2 is Fig. 1 embodiment A-A according to the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Face cross-sectional view；

Fig. 3 is Fig. 1 embodiment B-B according to the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Face cross-sectional view；

Fig. 4 is Fig. 1 embodiment according to the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Left view；

Fig. 5 is Fig. 4 embodiment C-C according to the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Face cross-sectional view；

Fig. 6 is Fig. 1 embodiment according to the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Rectification module main view；

Fig. 7 is the rectification mould according to Fig. 6 of the external hanging type rectification module contactor with Overvoltage suppressing of the utility model The face block A-A cross-sectional view；

Fig. 8 is the rectification mould according to Fig. 6 of the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Block rearview；

Fig. 9 is the contactor wiring according to the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Figure；

Figure 10 is according to the whole of the contactor of the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Flow module line map.

Explanation: 1- protective cover form is marked in figure；2- protective cover；3- upper housing；4- bracket；5- resilient cushion；6- auxiliary touching Bridge；7- auxiliary touching bridge guide part；8- assists normally closed touch panel；9- assists normally opened touch panel；10- auxiliary contact spring；11-M3*8 watts of pad Screw；The main touching bridge of 12-；The main touch panel of 13-；14- main contact spring；15- arc extinction part；16-ST3.5*15 self threading pin；17-M4*8 watts of pad Screw；18- dynamic iron core fixing piece；19- dynamic iron core；20- reaction spring；21- copper packing；22- partition；23- coil clamper；24- Pole piece；25- coil；26- static iron core；27- magnetizer；28- lower case；29-ST4.2*55 self threading pin；30- fixture block；31- module Lower case；32- module upper housing；33- power supply connecting plate；34- module terminal plate；35- rectification module；36- capacitor；37- metal Film resistance；38- rectifier bridge；39- wiring board.

Specific embodiment

In order to be further understood that the summary of the invention of the utility model, this reality is elaborated below in conjunction with specific embodiment With novel.

Embodiment one

As shown in Figures 1 to 10, the utility model provides a kind of external hanging type rectification module contactor with Overvoltage suppressing, Including lower case 28, upper housing 3 and contactor assembly, the lower case 28 and the upper housing 3 are connected, the contactor group Part is arranged in the confined space that the upper housing 3 and the lower case 28 form, the upper housing 3 and the lower case 28 it Between be arranged partition 22, the contactor assembly include the magnetizer 27 being arranged in the lower case 28, pole piece 24, coil 25, Static iron core 26 and dynamic iron core 19 and setting the intracorporal bracket 4 of the upper casing, reaction spring 20, main touch panel 13, auxiliary touch panel, Main touching bridge 12, auxiliary touching bridge 6, touching bridge spring and arc extinction part 15, the coil 25 are mounted on the magnetizer 27 and the pole piece In 24, the magnetizer 27 and the pole piece 24 are made of metal material common in the prior art, 27 He of magnetizer The pole piece 24 is integrally fixed by M3 screw, the through-hole for being provided centrally with perforation of the coil 25, on the pole piece 24 There is a hole, the through-hole of the hole and the coil 25 is concentric, and the static iron core 26 is fixed on the magnetizer 27 and described In the through-hole of coil 25, the magnetizer 27, the static iron core 26, the coil 25 and the pole piece 24 are integrally fixed structure And it is placed in the lower case 28, the lower case 28 is made of plastic material and by ST4.2*55 self threading pin 29 The partition 22 and the lower case 28 are fixed, the partition 22 equally has a through-hole and 25 through-hole of the coil same The heart；One end of the dynamic iron core 19 is riveted with dynamic iron core fixing piece 18, is mounted on the bracket 4, other end edge Embedded with copper packing 21, the reaction spring 20 is placed on the partition 22, and the dynamic iron core 19 has one end of copper packing 21 to pass through institute It states 20 center of reaction spring to be put into the through-hole of the coil 25, therefore the dynamic iron core 19 can be along logical in the coil 25 Hole slides up and down, and the touching bridge spring includes auxiliary contact spring 10 and main contact spring 14, is equipped with simultaneously on the bracket 4 auxiliary Help touching bridge 6, auxiliary touching bridge guide part 7, auxiliary contact spring 10, main touching bridge 12, main contact spring 14, resilient cushion 5；The auxiliary touching Plate includes assisting normally closed touch panel 8 and assisting normally opened touch panel 9, described to assist normally closed touch panel 8, the normally opened touch panel 9 of the auxiliary, the master Touch panel 13 and the arc extinction part 15 are installed in the upper housing 3, and the upper housing 3 is fixed on by ST3.5*15 self threading pin 16 On the partition 22, protective cover 2 is arranged in 3 upper end of upper housing, and protective cover form 1, the lower casing is arranged on the protective cover 2 Fixture block 30 is arranged in 28 lower end of body, the utility model can be fixed by the fixture block 30.

The electrical appliance part of the rectification module 35 is made of rectifier bridge 38, metalfilmresistor 37, capacitor 36 and wiring board 39, The metalfilmresistor 37 and the capacitor 36 are connected, and in parallel in circuit with the rectifier bridge 38, the rectifier bridge 38 Positive and negative anodes source of welding current connecting plate 33, can be directly mounted on coil clamper 23, and the exchange of the rectifier bridge 38, which flanks, to be passed through Module terminal plate 34 connects AC power source, the confined air that entire circuit is put into the module lower case 31 and module upper housing 32 forms In.

For the present embodiment in use, when the coil 25 is powered, the static iron core 26 and the dynamic iron core 19 generate magnetic Property, overcome the elastic force of the reaction spring 20, drives entire bracket to 26 1 end motion of static iron core, the normally opened touching of auxiliary Plate 9 and the main touching bridge 12 are closed, and the normally closed touch panel 8 of auxiliary disconnects, to control load；

When the coil is de-energized, the static iron core 26 and the magnetic disappearance of the dynamic iron core 19, by the reaction spring 20 Reaction force drives entire bracket to move to the opposite direction of static iron core 26, the normally opened touch panel 9 of the auxiliary and the main touching bridge 12 It disconnects, the normally closed touch panel 8 of auxiliary is closed.

The present invention by the way of the plug-in rectification module of Overvoltage suppressing, including metalfilmresistor and capacitor series connection and and Rectifier bridge is in parallel, plays the role of Overvoltage suppressing.In elevator industry in use, reducing the noise of contactor generation, effectively keep away Exempt from coil burnout, it is short-circuit caused by preventing resistance from being hit, improve contactor service life.This contact of domestic market The usage amount of device is about 600,000/year, burns probability calculation by 1%, and the maintenance cost of average every contactor is about 200 yuan/platform, 1,200,000/year of economic benefit can be saved indirectly.

It will be apparent to those skilled in the art that the external hanging type rectification module contactor with Overvoltage suppressing of the utility model Each section shown by summary of the invention and specific embodiment part and attached drawing including above-mentioned the utility model specification Any combination describes one by one as space is limited and for each scheme for keeping specification concise without constituting these combinations.It is all this Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model Protection scope within.

Claims (5)

1. a kind of external hanging type rectification module contactor with Overvoltage suppressing, including lower case, upper housing and contactor assembly, institute Lower case is stated to connect with the upper housing, the contactor assembly be arranged in the upper housing and the lower case composition it is closed In space, partition is set, the contactor assembly includes being arranged in the lower case between the upper housing and the lower case Interior magnetizer, pole piece, coil, static iron core and dynamic iron core and setting is in the intracorporal bracket of the upper casing, reaction spring, main touching Plate, auxiliary touch panel, main touching bridge, auxiliary touching bridge, touching bridge spring and arc extinction part, the coil are arranged in the magnetizer and the pole Between piece, one end of the static iron core is fixed on the magnetizer and periphery is arranged in the coil, the counter-force bullet Spring is arranged between the partition and the bracket, and the main touching bridge, auxiliary touching bridge and touching bridge spring are arranged at the bracket On, which is characterized in that rectification module is set on the outer wall of the lower case, and the rectification module includes module housing and rectification group Part, the rectifier stack are arranged in the module housing, the rectifier stack include rectifier bridge, metalfilmresistor, capacitor and Wiring board, the metalfilmresistor and capacitor series connection, the metalfilmresistor is in parallel with the rectifier bridge in circuit, institute The positive and negative anodes for stating rectifier bridge connect to power supply plate and connect by welding, and the exchange of the rectifier bridge flanks and module wiring Plate connection.

2. the external hanging type rectification module contactor according to claim 1 with Overvoltage suppressing, which is characterized in that on described Protective cover is arranged in shell upper end, and visual window is arranged on the protective cover.

3. the external hanging type rectification module contactor according to claim 1 with Overvoltage suppressing, which is characterized in that the touching Bridge spring includes auxiliary contact spring and main contact spring.

4. the external hanging type rectification module contactor according to claim 1 with Overvoltage suppressing, which is characterized in that described auxiliary Helping touch panel includes assisting normally closed touch panel and the normally opened touch panel of auxiliary.

5. the external hanging type rectification module contactor according to claim 1 with Overvoltage suppressing, which is characterized in that the mould Block shell includes module upper housing and module lower case, and the module upper housing is connected with the module lower case, the rectification Component is arranged in the closed structure of the module upper housing and module lower case composition.