EP0036432A1 - Contacteur, en particulier un contacteur de puissance ou de commande ou de mise en marche - Google Patents

Contacteur, en particulier un contacteur de puissance ou de commande ou de mise en marche Download PDF

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Publication number
EP0036432A1
EP0036432A1 EP80101314A EP80101314A EP0036432A1 EP 0036432 A1 EP0036432 A1 EP 0036432A1 EP 80101314 A EP80101314 A EP 80101314A EP 80101314 A EP80101314 A EP 80101314A EP 0036432 A1 EP0036432 A1 EP 0036432A1
Authority
EP
European Patent Office
Prior art keywords
contact
contactor
switch
bracket
actuated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP80101314A
Other languages
German (de)
English (en)
Other versions
EP0036432B1 (fr
EP0036432B2 (fr
Inventor
Helmut Lemmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Square D Starkstrom GmbH
Original Assignee
Square D Starkstrom GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8186631&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0036432(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Square D Starkstrom GmbH filed Critical Square D Starkstrom GmbH
Priority to EP80101314A priority Critical patent/EP0036432B2/fr
Priority to AT80101314T priority patent/ATE10886T1/de
Priority to DE8080101314T priority patent/DE3069816D1/de
Priority to DK175280A priority patent/DK147473C/da
Priority to ES492296A priority patent/ES8101311A1/es
Priority to NO803242A priority patent/NO154858C/no
Priority to BR8101424A priority patent/BR8101424A/pt
Priority to AU68309/81A priority patent/AU533921B2/en
Priority to US06/242,853 priority patent/US4337447A/en
Priority to CA000372895A priority patent/CA1168278A/fr
Publication of EP0036432A1 publication Critical patent/EP0036432A1/fr
Publication of EP0036432B1 publication Critical patent/EP0036432B1/fr
Publication of EP0036432B2 publication Critical patent/EP0036432B2/fr
Application granted granted Critical
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts

Definitions

  • the invention relates to a contactor, in particular a power or control contactor or starter contactor, with a contact system accommodated in a housing and a magnet system actuating the contact system, the contact system contact rails with fixed contact pieces and actuatable as a break contact and / or by means of a common bridge girder. or closer bridges with movable contact pieces, each bridge and the associated contact rails are housed in a switching chamber, and wherein a switch-on contact is provided with self-holding.
  • These types of contactors can be used both as single contactors and in combinations of contactors.
  • Contactors of the aforementioned type are known in practice in various types. These shooters generally have a plunger which can be actuated from the outside, for example by hand using a push button, and which is on a common bridge girder acts and causes this to move, so that when the voltage is applied to the contactor, a certain switching process can be carried out with the provided break contacts and / or make contacts. After releasing the push button, the contactor returns to the original position and the switching process is finished. In practice, however, it is necessary to hold a switching operation for a longer period of time without the push button being constantly pressed by hand during this time. For this purpose, a special switch-on contact is provided and it has been proposed to use a normally open contact of the contactor for the self-holding of the contactor. Another separate switch-off contact is provided to switch off the contactor.
  • the invention has for its object to provide a contactor in which the construction costs and space requirements are significantly reduced and simple wiring is possible.
  • a contact bracket for switching on Contact with the contactor is structurally integrated, can be actuated from the outside by means of an actuating element and interacts with the common bridge girder.
  • the contact path of the integrated switch-on contact contains three functions, namely switching on the contactor, simultaneously with the same switch-on contact the latching device's self-holding and finally the usability of this switch-on contact with the appropriate circuit arrangement for normal closing as with another normal NO contact the shooter.
  • An advantageous embodiment of the invention is that a further contact bracket is provided for as a switch-off contact in a structural unit with the contact bracket of the switch-on contact, and that the contact bracket of the switch-off contact can be actuated from the outside by means of an actuating element.
  • the further separate switch housing of the switch-off contact according to the prior art is avoided and the wiring is further simplified.
  • Figure 1 shows a simplified circuit diagram for a contactor, which is connected to a power network with lines 1 and 2. If the main switch 20 is closed, the contactor 3 can only pull in when the switch-on contact 8 is also actuated. A further contact 4 is connected in parallel to this switch-on contact 8 via lines 5, 6, which can be designed as a contact of the contactor 3 and also closes after the contactor has closed and keeps the contactor energized even when the switch-on contact 8 is opened again.
  • the dash-dotted line 7 indicates that the contact 4 is one of the contacts of the contact system of the contactor 3.
  • a switch-off contact 9 is used to switch off the contactor, which interrupts the circuit and allows the contactor to drop out again.
  • a conventional fuse is also designated by reference number 10. According to the state The technology, as explained at the beginning, accommodates the two contacts 8 and 9 as switch-on contacts and switch-off contacts in separate switch housings.
  • a contact bracket of the switch-on contact with the contactor is structurally integrated, can be actuated from the outside by means of an actuating element and is designed to cooperate with a common bridge girder for self-holding.
  • An exemplary embodiment of this basic idea of the invention is shown in FIGS. 2 to 5 in different switching positions.
  • a magnet system with a magnetic core 36, a coil 37 and with a magnet armature 45 is located in the simplified housing of the contactor 3.
  • a common bridge support 38 is connected to the magnet armature and is explained in more detail below with reference to FIGS. 11 and 12.
  • In the upper part of the contactor housing there is a switching chamber 35, in which a contact bracket 39 for the switch-on contact and a contact bracket 41 for the switch-off contact are arranged.
  • the contact bracket 41 is provided in a structural unit with the contact bracket 39 of the switch-on contact.
  • the contact bracket of the on and off contacts with associated fixed contact rails 40 and 42 are housed in the common switching chamber 35.
  • the contact clips are designed as U-shaped spring clips, which have one end 39b and 41b are attached to the contact rails 40 and 42. At their other end, the spring clips carry overlapping movable contact pieces 39a and 41a.
  • the spring clip 39 of the closing contact engages in an opening 38a of the bridge girder 38.
  • the contact bracket 39 can be actuated by an actuating element 43 or a push button, while a further actuating element 44 or another push button is provided for actuating the contact bracket 41 of the switch-off contact.
  • the operation of the above-mentioned contactor is essentially as follows. In the rest position, the contact brackets 39, 41 of the switch-on and switch-off contacts and the actuating elements 43, 44 or push buttons are in the position shown in FIG. 2, the movable contact pieces 39a and 41a being spaced apart from one another. When actuating the actuating element 43 from the outside, the free leg of the U-shaped spring clip 39 of the switch-on contact is moved downward, so that the contact piece 39a comes into contact with the contact piece 41a, as shown in FIG. 3. This causes the contactor to switch on.
  • the construction explained above has essentially four functions, namely switching on, switching the contactor self-holding, switching off and also using the integrated contact device for normal closing, such as those explained below with reference to FIGS. 11 and 12 Bridge or NO contacts. It is understood that in the latter case the actuators 43 and 44 are not actuated.
  • a further advantage of the exemplary embodiment according to FIGS. 2 to 5 is that the switching chamber 35 is accommodated in the contactor housing in accordance with the other switching chambers 12d (FIG. 11), which brings about a considerable simplification of production.
  • Figure 6 shows another embodiment of a contactor, which is constructed similar to that of Figures 2 to 5, so that the same reference numerals have been used for parts acting in the same way.
  • the U-shaped spring clips 46, 47 of the switch-on contact on the one hand and the switch-off contact on the other hand are completely identical or symmetrical, which also applies to the fixed contact rails 40, 42.
  • the magnet system Inside the housing part 11, the magnet system is housed, which consists of a coil 16 with connecting lines 17 and connectors 18, 19 and a magnetic core 34 and a movable armature 31.
  • the coil 16 and the magnetic core can be fastened with the aid of a Bracket 14 can only be done by simply inserting it with a clamping effect.
  • tongues 11c are provided which cooperate with recesses and locking points 12b of the housing part 12.
  • tongue-like projections 12c are also provided, which engage in recesses with locking points lld of the housing part 11.
  • the housing part 12 contains a contact system.
  • four switching chambers 12d are provided in parallel next to each other within the predetermined width between the two side surfaces 12a.
  • One of these switching chambers preferably the switching chamber 12f shown in FIG. 11 near the front edge, is designed in accordance with the switching chamber 35 explained above.
  • the interrupters as such are essentially designed as U-shaped grooves with open end faces. Dabe- open the U-shaped channels the side away from the mounting level.
  • In the switching chambers 12d there are two contact rails 24 with fixed contact pieces 24a, which are held by inserting in guides 26, 27 of the housing part 12 and in a substantially rectangular frame 30 by contact connection screws 21.
  • the contact connection screws 21 simultaneously hold the electrical connection lines 28.
  • a bridge 25 with movable contact pieces 25a cooperates with the two contact rails 24 in the switching chambers 12d.
  • the bridge 25 is taken out together with the contact spring 33 from the opening 38c of the common for all the bridges bridge carrier 38 and to below 180 0 into the opening 38e reinstated.
  • the common bridge support 38 consists essentially of a plate, one end of which is connected to the armature 31 of the magnet system.
  • compression springs 32 are provided which, when the coil 16 is not switched on, press the armature 31 and the common bridge support 38 back into the rest position shown.
  • the bridge points at the end remote from the mounting level Carrier 38 has a projection 38d which projects through an opening 13d of the housing part 13 serving as a cover.
  • the housing part 13 covers the contact system in the housing part 12. In this housing part two rows of holes 13b are provided, through which a screwdriver can be inserted, which is simultaneously guided by the wall of the hole concerned and which allows the contact terminal screws 21 and 22 to be tightened in a freely accessible manner.
  • a further channel-like space 12e is provided within the predetermined width between the side walls 12a, in which the two connection screws 22 for the coil of the magnet system are accommodated.
  • the housing part 13 can also be attached to the housing part 12 by sliding and clamping.
  • FIGS. 13 and 14 show a further exemplary embodiment of the invention, namely a contactor 53 with contact connection screws 56, 57 and further connection screws 58 and 67 for the coil and with an integrated switching chamber 54, which essentially corresponds to the configuration according to FIGS 5 matches.
  • the same reference numerals have therefore been used for parts with the same effect.
  • the common bridge girder has an extension 55 which protrudes outwards from the housing and can be used as a push button. Furthermore, actuating elements 43, 44 are again provided.
  • the contactor 53 is a motor protection device 59 is connected upstream, which is connected to the contactor 53 via electrical lines 60 and 61.
  • the motor protection device has an adjusting lever 62 in relation to a scale 63, so that the trigger sensitivity of this device can be set.
  • This motor protection device also has contact connection screws 64, 65 and 66.
  • pusher buttons 68 and 69 are provided, the pusher button 68 also being usable as a switch-off button since it acts on a switch-off contact. In this embodiment of the combined device, the actuating element 44 or the push button 68 can thus be actuated either to switch it off. Under certain circumstances, the actuating element 44 can then also be omitted.
  • FIG. 15 shows a further exemplary embodiment, which essentially corresponds to that according to FIG. 13, but here the movable contact bracket 70 of the switch-on contact is designed as a C-shaped spring bracket with two resilient, movable contact pieces 70a, 70b. These contact pieces work together with fixed contact pieces 71a, 72a, of contact rails 71, 72.
  • the C-shaped spring clip 70 is held in an opening of the actuating element 74 or the common bridge girder by means of a compression spring 73.
  • a fork-shaped tappet 75 the C-shaped spring clip 70 can be pressed in the direction of the fixed contact rails 71, 72 and the switching on can be carried out. Switching off can take place in accordance with the exemplary embodiment according to FIGS. 13 and 14 by means of a plunger 76 via a pushbutton 68 of the motor protection switch 59.

Landscapes

  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Control Of Direct Current Motors (AREA)
  • Valve Device For Special Equipments (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Relay Circuits (AREA)
  • Control Of Eletrric Generators (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Switches With Compound Operations (AREA)
  • Lock And Its Accessories (AREA)
EP80101314A 1980-03-13 1980-03-13 Contacteur, en particulier un contacteur de puissance ou de commande ou de mise en marche Expired EP0036432B2 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP80101314A EP0036432B2 (fr) 1980-03-13 1980-03-13 Contacteur, en particulier un contacteur de puissance ou de commande ou de mise en marche
AT80101314T ATE10886T1 (de) 1980-03-13 1980-03-13 Schuetz, insbesondere leistungs- oder steueroder starter-schuetz.
DE8080101314T DE3069816D1 (en) 1980-03-13 1980-03-13 Contactor, particularly a power or control or starter contactor
DK175280A DK147473C (da) 1980-03-13 1980-04-24 Elektrisk sikring eller vaern med et i et hus anbragt magnetsystem, der betjener et kontaktsystem
ES492296A ES8101311A1 (es) 1980-03-13 1980-06-10 Perfeccionamientos en contactores, especialmente contactoresde potencia o de control o bien contactores arrancadores
NO803242A NO154858C (no) 1980-03-13 1980-10-30 Kontaktor, saerlig effekt- eller styre- eller startkontaktor.
BR8101424A BR8101424A (pt) 1980-03-13 1981-03-11 Rele, em particular rele de potencia, rele de comando ou rele de arranque
AU68309/81A AU533921B2 (en) 1980-03-13 1981-03-12 Switch
US06/242,853 US4337447A (en) 1980-03-13 1981-03-12 Switch
CA000372895A CA1168278A (fr) 1980-03-13 1981-03-12 Contracteur electrique a calage magnetique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP80101314A EP0036432B2 (fr) 1980-03-13 1980-03-13 Contacteur, en particulier un contacteur de puissance ou de commande ou de mise en marche

Publications (3)

Publication Number Publication Date
EP0036432A1 true EP0036432A1 (fr) 1981-09-30
EP0036432B1 EP0036432B1 (fr) 1984-12-19
EP0036432B2 EP0036432B2 (fr) 1988-10-12

Family

ID=8186631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80101314A Expired EP0036432B2 (fr) 1980-03-13 1980-03-13 Contacteur, en particulier un contacteur de puissance ou de commande ou de mise en marche

Country Status (10)

Country Link
US (1) US4337447A (fr)
EP (1) EP0036432B2 (fr)
AT (1) ATE10886T1 (fr)
AU (1) AU533921B2 (fr)
BR (1) BR8101424A (fr)
CA (1) CA1168278A (fr)
DE (1) DE3069816D1 (fr)
DK (1) DK147473C (fr)
ES (1) ES8101311A1 (fr)
NO (1) NO154858C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3402741C2 (de) * 1984-01-27 1986-10-02 TRIPUS-Kunststoffteile GmbH, 8870 Günzburg Vorrichtung zum Ein- und Ausschalten elektrischer Geräte
SE445505B (sv) * 1984-11-13 1986-06-23 Tocksfors Verkstads Ab Elektriskt rele
DE8802393U1 (de) * 1988-02-24 1988-05-11 Lindner GmbH Fabrik elektrischer Lampen und Apparate, 96052 Bamberg Aus Haupt- und Hilfsschalter bestehende Schalterkombination
US5144516A (en) * 1991-02-04 1992-09-01 Wing Shing Products Company, Ltd. Leakage current circuit interrupter device
US5933063A (en) * 1997-07-21 1999-08-03 Rototech Electrical Components, Inc. Ground fault circuit interrupter
CN101281832B (zh) * 2007-04-05 2010-07-21 浙江正泰电器股份有限公司 接触器的绝缘保护结构
US7772945B2 (en) * 2007-10-11 2010-08-10 Jackson Edmonds, Llc Electrical switching device
US20110037543A1 (en) * 2007-10-11 2011-02-17 Dale Walter Lange Electrical switching device
JP6857092B2 (ja) * 2017-06-28 2021-04-14 富士通コンポーネント株式会社 電磁継電器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1813182U (de) * 1960-03-26 1960-06-15 Continental Elektro Ind Ag Schaltschuetz mit selbsthaltekontakt.
DE1825204U (de) * 1959-06-29 1961-01-19 Franz Morschel Schaltschuetz.
DE1167948B (de) * 1959-11-05 1964-04-16 Busch Jaeger Duerener Metall Elektromagnetisches Schuetz
GB1273255A (en) * 1969-09-11 1972-05-03 Midland Electric Mfg Co Ltd Electromagnetic switches

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808567A (en) * 1973-01-30 1974-04-30 A Maier Circuit breaker with improved resettable latch and trip means
US3852544A (en) * 1973-09-17 1974-12-03 Westinghouse Electric Corp Fluid operated electrical contactor with contact coolant means

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1825204U (de) * 1959-06-29 1961-01-19 Franz Morschel Schaltschuetz.
DE1167948B (de) * 1959-11-05 1964-04-16 Busch Jaeger Duerener Metall Elektromagnetisches Schuetz
DE1813182U (de) * 1960-03-26 1960-06-15 Continental Elektro Ind Ag Schaltschuetz mit selbsthaltekontakt.
GB1273255A (en) * 1969-09-11 1972-05-03 Midland Electric Mfg Co Ltd Electromagnetic switches

Also Published As

Publication number Publication date
BR8101424A (pt) 1981-09-15
AU533921B2 (en) 1983-12-15
NO154858B (no) 1986-09-22
EP0036432B1 (fr) 1984-12-19
ATE10886T1 (de) 1985-01-15
ES492296A0 (es) 1980-12-16
US4337447A (en) 1982-06-29
DK175280A (da) 1981-09-14
DK147473C (da) 1985-03-11
DE3069816D1 (en) 1985-01-31
AU6830981A (en) 1981-09-17
NO803242L (no) 1981-09-14
ES8101311A1 (es) 1980-12-16
NO154858C (no) 1987-01-07
EP0036432B2 (fr) 1988-10-12
DK147473B (da) 1984-08-20
CA1168278A (fr) 1984-05-29

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