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WO2008148597A1 - Disjoncteur à boîtier moulé comprenant une unité de traitement dotée de moyens de visualisation de données - Google Patents

Disjoncteur à boîtier moulé comprenant une unité de traitement dotée de moyens de visualisation de données Download PDF

Info

Publication number
WO2008148597A1
WO2008148597A1 PCT/EP2008/054328 EP2008054328W WO2008148597A1 WO 2008148597 A1 WO2008148597 A1 WO 2008148597A1 EP 2008054328 W EP2008054328 W EP 2008054328W WO 2008148597 A1 WO2008148597 A1 WO 2008148597A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit breaker
processing unit
molded case
case circuit
projecting
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.)
Ceased
Application number
PCT/EP2008/054328
Other languages
English (en)
Inventor
Roberto Boffelli
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.)
BTicino SpA
Original Assignee
BTicino SpA
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
Application filed by BTicino SpA filed Critical BTicino SpA
Priority to EA200901623A priority Critical patent/EA016525B1/ru
Priority to CN200880018359.4A priority patent/CN101681748B/zh
Publication of WO2008148597A1 publication Critical patent/WO2008148597A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7409—Interchangeable elements
    • 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
    • H01H2071/006—Provisions for user interfaces for electrical protection devices
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7472—Means for adjusting the conditions under which the device will function to provide protection with antitamper means for avoiding unauthorised setting

Definitions

  • the present invention relates to the technical field of electrical circuit breakers and in particular to an electrical molded case circuit breaker provided with a processing unit comprising electronic visualization means.
  • Molded case circuit breakers provided with an electronic processing unit comprising data visualization means for displaying operating parameters and/or status information of the circuit breaker and moreover provided with means, such as keys, for selecting data to be shown by means of the visualization means and/or for setting and modifying the operating parameters of the circuit breaker are already known.
  • US patent no. 4,945,433 describes an automatic molded case circuit breaker provided with a visualization unit, or liquid crystal display, and with an interface keypad, respectively provided for visualizing and setting the operating parameters related to the automatic disengagement of the circuit breaker.
  • the display and the keypad are placed on the front face of the cased housing of the circuit breaker, underneath a projecting portion of said face, provided with an opening, through which a rotating actuation lever passes in order to allow a manual operation of the circuit breaker .
  • circuit breakers of the known art have a drawback in that the display and perhaps also the keypad are occluded and therefore become invisible when on the front of the circuit breaker a front fitting is placed, such as a motor device which has to cooperate with the actuation lever of the circuit breaker.
  • the object of the present invention consists in providing a molded case circuit breaker without the above said drawback when compared to circuit breakers of the known art.
  • the present invention also relates to an assembly according to the appended claim 11.
  • fig. 1 shows an isometric view of a particularly preferred embodiment of a molded case circuit breaker according to the present invention, comprising an electronic processing unit
  • - fig. 2 shows the electronic processing unit of the circuit breaker of fig. 1,
  • - fig. 3 shows an enlarged part of the circuit breaker of fig. 1,
  • - fig. 4 shows a view from a different angle of the circuit breaker part of fig. 3,
  • - fig. 5 shows an assembly of parts comprising the circuit breaker of fig. 1 and an optional fitting placed on the front of same circuit breaker, and
  • - fig. 6 shows a view of the assembly of fig. 5, on which a further front fitting is applied.
  • a particularly preferred illustrative and non limiting embodiment of an electrical molded case circuit breaker according to the present invention is shown, which is generally indicated by reference numeral 1.
  • the circuit breaker 1 is for example a magnetic thermal circuit breaker provided with an integrated differential protection module.
  • a molded case circuit breaker as opposed to a so called air circuit breaker, has a case body 2 made of insulating material, which holds the internal mechanisms and circuits of the circuit breaker.
  • Today, molded case circuit breakers are generally employed in industrial automation and maintenance and service sectors, for instance for interrupting currents up to 1500 A.
  • the circuit breaker 1 is formed, in a non limiting way, by an automatic molded case quadripolar circuit breaker provided with an integrated differential protection module.
  • the case body 2 is formed by juxtaposing two parts, in particular a base 3, and a lid 4.
  • the base 3 and the lid 4 are juxtaposed and mutually fixed by fixing means, not shown in the figures, such as rivets, screws or bolts.
  • the front face 5 of the case body 2 having a generally square shape, comprises a projecting front portion 6, usually defined as "DIN front", which is provided with an opening 7, through which a rotating lever 8 passes, for operating the circuit breaker 1.
  • the projecting front portion 6 is disposed in a generally centered position on the front face 5, and is formed by a horizontal protruding band extending between two opposite edges 13, 14 of the front face 5.
  • a shell-like cover 12 which from now on will be simply called a shell 12, is removably attached to the projecting front portion 6.
  • the shell 12 is preferably made of insulating and substantially transparent material, for example transparent plastic material. More preferably, the shell 12 extends on the whole width of the front projecting portion 6. With reference to fig. 4, one may note that in the example shown a removable attachment of the shell 12 to the circuit breaker 1 is provided, for example by means of an engagement system comprising protruding teeth 30 of the projecting front portion 12 and corresponding openings 31 provided on the edge of shell 12. Similar engagement means, not shown, may be provided on the other edge 35 of shell 12.
  • case body 2 On the upper side of case body 2, four screw clamps 9, or line terminals 9, are provided for connecting the circuit breaker 1 to the electric mains provided before the circuit breaker.
  • Analogous clamps 10, or load terminals, are provided on the lower side of case body 2, for connecting the circuit breaker 1 to an electric circuit provided after the circuit breaker.
  • the rear side of case body 2 is provided with suitable fixing means, not shown, for attaching the circuit breaker 1 to an electric panel.
  • suitable fixing means allow the fixing of the switch 1 to a DIN rail by means of a mounting device as the one described in Italian patent application no. RM 2006 A 000145.
  • the molded case circuit breaker 1 also comprises a processing unit 15, comprising a microprocessor and/or a microcontroller and electronic visualization means 16, which from now on will be referred to as display 16, for displaying data representing operating parameters and/or status information of molded case circuit breaker 1.
  • the display 16 is disposed on the front projecting portion 6 of circuit breaker 1, in a lateral position with respect to the opening 7 and to the operating lever 8.
  • the display 16 is a liquid crystal display which displays information in an alphanumeric way. As shown by fig. 1, the display 16 is substantially horizontally aligned to opening 7 and to operating lever 8.
  • the processing unit 15 and the display 16 are housed in a dedicated housing, reference numeral 17 in fig. 2, which is attached to the front projecting portion 6 of circuit breaker 1, in a lateral position with respect to opening 7 and operating lever 8.
  • said dedicated housing 17 is made of insulating material, for example a plastic material .
  • the processing unit comprises two keys or buttons 18, 19, one of which, for example key 18, allows the selection of operating parameters and/or status information of circuit breaker 1 to be shown on display 16. For example, every time key 18 is pressed, a different parameter is shown on display 16, so that by repeatedly pressing key 18 it is possible to sequentially and individually display the various parameters of circuit breaker 1.
  • key 19 is provided for setting/modifying the operating parameters of molded case circuit breaker 1.
  • the parameters to be displayed and/or modified are adjusting parameters for the differential protection module, such as differential response delays, differential protection limit, etc.
  • the processing unit 15 moreover comprises a communication port in order to provide a data connection between the processing unit 15 and an external processing unit, such as a personal computer. More preferably, this communication port is formed by an USB port, not shown in fig. 2, since it is covered by a protective plug 21.
  • the data connection to the external processing unit is only provided for reading data regarding operating parameters and/or all status information of circuit breaker 1, but doesn't allow modifying/setting of operating parameters of circuit breaker 1. Alternatively, such modifying/setting is made possible only by input, by means of the remote processing unit, of a suitable password, such as one corresponding to a password stored in the processing unit 15.
  • the connection to the external unit may also be provided for providing a historical report or log to the external processing unit, such as maintenance/adjusting interventions by service personnel on circuit breaker 1.
  • the processing unit 15 may comprise one or more signaling lights 20, for example LED devices .
  • the shell 12 is generally counter-shaped with respect to the front projecting portion 6 of circuit breaker 1, and comprises an opening 24 opposed to the opening 7, which functions as a passage for the operating lever 8 and a generally collar-shaped turret 22, which is laterally disposed with respect to opening 24, for receiving and housing the processing unit 15.
  • the turret 22 has an upper edge 23, which is bent backwards towards the interior of the turret 22, in order to hold in position a generally plate-shaped protection element 29, which is interposed between the upper edge 23 of turret 22 and the processing unit 15.
  • the protection element 29 is shaped such as to deny access to setting key 19 of processing unit 15, but to allow access to the communication port, which is not visible in the drawing, since it is covered by plug 21, and to key 18 for selecting the information to be displayed.
  • anti- tampering signaling means may be provided, in order to tie the protection element 29 to turret 22.
  • the protection element 29 may be provided with a hole 25 associated to a corresponding lateral hole in turret 22, not shown, in order to tie the protection element 29 to turret 22 by means of a seal, for example formed by a ring of metallic wire, closed by a lead seal.
  • the molded case circuit breaker 1 further comprises a test key 26, in order to test the insulation of the system, and a trimmer 27, in order to adjust the thermal set point of circuit breaker 1.
  • a suitable opening 28 may be provided in the shell 12, for allowing access to test key 26 and trimmer 27.
  • Through opening 28 it is also possible to tie the trimmer 27 to the circuit breaker 1 by means of anti-tampering signaling means.
  • Fig. 5 shows an assembly of parts including the circuit breaker 1 of fig. 1 and an optional fitting 40 placed on the front face 5 of circuit breaker 1.
  • the fitting 40 is formed by a motor device, which interacts with the operating lever 8 of circuit breaker 1.
  • the motor device which interacts with the operating lever 8 of circuit breaker 1.
  • the optional frontal fitting 40 has a body with a central portion 41 to be disposed beside the processing unit 15 and two protruding parallel portions 42, 43, projecting from the central portion 41 in order to form a recess 44 extending substantially perpendicularly to the front face 5 and at least partially housing the processing unit 15.
  • a covering fitting 45 removably applicable to frontal fitting 40, in order to form a internal channel positioned at the recess 44 and substantially perpendicular to front face 5.
  • This internal channel comprises an end portion to receive the processing unit 15 and is closed at an opposite end portion by a transparent window 46, for example of transparent plastic material, in order to make the display 15 visible through said channel.
  • the display 15 is preferably a back-lit display.
  • the covering fitting 45 and the front fitting 40 may be formed by a single element to be applied on the front face of circuit breaker 1, but only if a closed channel is provided, which runs through the body of such element, in a position corresponding to the display 15, which extends substantially at right angles to the front face 5 and which is provided with a transparent window 46.
  • the embodiment though in which two distinct parts 40, 45 are provided is preferred, since in this case only one type of front fitting 40 has to be provided, which is: coupled to a simple small lid corresponding to recess 44, for closing this recess 44, and may be fixed to the front of a traditional circuit breaker having no display 15;
  • a circuit breaker according to the present invention can overcome above said drawback with respect to circuit breakers of the known art.
  • the display 16 is always visible, and does not hinder the provision of a frontal fitting on a circuit breaker.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

L'invention concerne un disjoncteur à boîtier moulé (1) comprenant un corps de boîtier (2) avec une face avant (5) comportant une partie avant (6) saillante par rapport à ladite face (5), la partie avant saillante (6) comportant une ouverture (7) qui sert de passage pour un levier fonctionnel (8) du disjoncteur (1); une unité de traitement (15) comprenant des moyens de visualisation électroniques (16) pour afficher des données représentant des paramètres fonctionnels et/ou des informations d'état du disjoncteur (1). Les moyens de visualisation électroniques (16) sont disposés sur ladite partie avant saillante (6) dans une position latérale par rapport à ladite ouverture (7) et audit levier fonctionnel (8).
PCT/EP2008/054328 2007-06-06 2008-04-10 Disjoncteur à boîtier moulé comprenant une unité de traitement dotée de moyens de visualisation de données Ceased WO2008148597A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EA200901623A EA016525B1 (ru) 2007-06-06 2008-04-10 Выключатель в литом корпусе с процессором и устройством визуализации данных
CN200880018359.4A CN101681748B (zh) 2007-06-06 2008-04-10 模制电路断路器及包含模制电路断路器的组装设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07425353.5 2007-06-06
EP07425353A EP2001036B1 (fr) 2007-06-06 2007-06-06 Disjoncteur de boîtier moulé comportant une unité de traitement avec supports de visualisation de données

Publications (1)

Publication Number Publication Date
WO2008148597A1 true WO2008148597A1 (fr) 2008-12-11

Family

ID=38564342

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/054328 Ceased WO2008148597A1 (fr) 2007-06-06 2008-04-10 Disjoncteur à boîtier moulé comprenant une unité de traitement dotée de moyens de visualisation de données

Country Status (8)

Country Link
EP (1) EP2001036B1 (fr)
CN (1) CN101681748B (fr)
AT (1) ATE477584T1 (fr)
CO (1) CO6241185A2 (fr)
DE (1) DE602007008382D1 (fr)
EA (1) EA016525B1 (fr)
ES (1) ES2350656T3 (fr)
WO (1) WO2008148597A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103975408A (zh) * 2011-09-29 2014-08-06 黑格电子股份有限公司 模块化电气设备外壳的两个相邻壳体部分的结合区域的防张开装置
RU2623500C1 (ru) * 2015-03-11 2017-06-27 ЭлЭсАйЭс КО., ЛТД. Выключатель в литом корпусе
TWI673745B (zh) * 2017-09-28 2019-10-01 日商三菱電機股份有限公司 電子式遮斷器

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2994346B1 (fr) * 2012-08-06 2015-07-31 Legrand France Capot d'hebergement de modules electriques a assemblage d'organe de connexion facilite
FR2994345B1 (fr) * 2012-08-06 2015-05-15 Legrand France Capot d'hebergement de modules electriques pouvant heberger differents organes de connexion
US20140118875A1 (en) * 2012-10-31 2014-05-01 Eaton Corporation Control and monitoring unit for a circuit interrupter electronic trip unit and system including same
CN107393769A (zh) * 2017-09-20 2017-11-24 德力西电气有限公司 一种带有显示功能的塑料外壳式断路器
US10141128B1 (en) * 2017-11-10 2018-11-27 Eaton Corporation Method and apparatus for authenticating and detecting circuit breaker integrity
EP4002417A1 (fr) 2020-11-20 2022-05-25 Future Systems Besitz GmbH Appareil de connexion de distribution d'énergie

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761778A (en) * 1973-01-02 1973-09-25 Gen Electric Static trip control unit for electric circuit breaker
US4870531A (en) * 1988-08-15 1989-09-26 General Electric Company Circuit breaker with removable display and keypad
GB2226464A (en) * 1988-11-16 1990-06-27 Ohbayashi Corp Power control apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2364550Y (zh) * 1999-03-22 2000-02-16 周圣博 宽度为18毫米的双线断路器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761778A (en) * 1973-01-02 1973-09-25 Gen Electric Static trip control unit for electric circuit breaker
US4870531A (en) * 1988-08-15 1989-09-26 General Electric Company Circuit breaker with removable display and keypad
GB2226464A (en) * 1988-11-16 1990-06-27 Ohbayashi Corp Power control apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"SACE Isomax S", 30 April 2007, ABB SACE S.P.A, XP002493894 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103975408A (zh) * 2011-09-29 2014-08-06 黑格电子股份有限公司 模块化电气设备外壳的两个相邻壳体部分的结合区域的防张开装置
CN103975408B (zh) * 2011-09-29 2017-03-08 黑格电子股份有限公司 模块化电气设备外壳的两个相邻壳体部分的结合区域的防张开装置
RU2623500C1 (ru) * 2015-03-11 2017-06-27 ЭлЭсАйЭс КО., ЛТД. Выключатель в литом корпусе
TWI673745B (zh) * 2017-09-28 2019-10-01 日商三菱電機股份有限公司 電子式遮斷器

Also Published As

Publication number Publication date
EP2001036B1 (fr) 2010-08-11
EP2001036A1 (fr) 2008-12-10
ES2350656T3 (es) 2011-01-25
CN101681748A (zh) 2010-03-24
CO6241185A2 (es) 2011-01-20
CN101681748B (zh) 2013-06-12
ATE477584T1 (de) 2010-08-15
DE602007008382D1 (de) 2010-09-23
EA200901623A1 (ru) 2010-04-30
EA016525B1 (ru) 2012-05-30

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