EP2145342A1 - Dispositif d'affichage pour un dispositif de commutation - Google Patents

Dispositif d'affichage pour un dispositif de commutation

Info

Publication number
EP2145342A1
EP2145342A1 EP08715909A EP08715909A EP2145342A1 EP 2145342 A1 EP2145342 A1 EP 2145342A1 EP 08715909 A EP08715909 A EP 08715909A EP 08715909 A EP08715909 A EP 08715909A EP 2145342 A1 EP2145342 A1 EP 2145342A1
Authority
EP
European Patent Office
Prior art keywords
display device
switching
display
switching device
supply voltage
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.)
Withdrawn
Application number
EP08715909A
Other languages
German (de)
English (en)
Inventor
Berthold Gauxmann
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.)
Eaton Industries GmbH
Original Assignee
Moeller GmbH
Kloeckner Moeller 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
Application filed by Moeller GmbH, Kloeckner Moeller GmbH filed Critical Moeller GmbH
Publication of EP2145342A1 publication Critical patent/EP2145342A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/181—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks using a programmable display, e.g. LED or LCD
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/0023—Images formed with electrophoretic technology, e.g. by charged pigment particles rearranged by applied electric field, e.g. electronic paper or e-paper, active ink

Definitions

  • the invention relates to a display device for a switching device and a switching device with such a display device.
  • Switchgear are known in various designs. They may include a display device for displaying operating conditions, signals, data, messages and other information.
  • the display devices usually use a power supply to display the desired content.
  • the power supply may be the normal power supply of the switching device intended for its operation, or an auxiliary power which may be provided by, for example, batteries, rechargeable batteries or another type of auxiliary power supply.
  • This document discloses, inter alia, that is used as a display device which is integrated in the housing of the Netzabkopplers, one which is designed by means of light intensity of one or more light emitting diodes, a liquid crystal display or by a sound signal or by a digital or analog display.
  • a display device of such a switching device should be adjusted accordingly here to withstand this and in particular occurring temperature fluctuations.
  • the display should not be affected by electromagnetic interference negatively influence, otherwise a failure or a false display of the display device during operation of the switching device would have to be feared. Since the operation of switching devices sometimes large electromagnetic fields occur, a disturbing influence during operation can occur quickly.
  • the present invention is therefore based on the object to provide a display device for a switching device that meets the above conditions, so withstand the harsh environmental conditions of switching devices and at the same time even when discontinuing the supply voltage previously displayed operating conditions, signals, data, messages and information continues can show.
  • the object is achieved by a display device for a switching device according to claim 1, characterized in that the display device in the static display state supply voltage independent auxiliary energy-free bistable display device.
  • the object is further achieved by a switching device with such a display device. Further developments of the invention are defined in the dependent claims.
  • a display device for a switching device which makes it possible to indicate in particular a triggering cause in a protective device after its triggering, since neither supply voltage nor auxiliary power is required for the static display. Due to the bistability of the display, the last displayed content of the display remains stable when a supply voltage is removed and can subsequently also be read without additional auxiliary power. Due to the bistability the display device is not turned off when the supply voltage is removed, but the last set state is maintained. Only for the change or for the formation of a new display information, that is in the dynamic state of the display device, an auxiliary power is required, which can be very low. The auxiliary power is required only at the moment of switching, not subsequently, to maintain the new indication information (static). In the static display state, the display device is thus supply voltage independent and auxiliary energy-free, only in dynamic display state, as to change the display information, a small amount of energy is needed.
  • the display device advantageously comprises at least one shielding device for shielding electromagnetic interference.
  • a shielding device is not disclosed in any of the above references, but proves to be particularly useful in terms of shielding electromagnetic interference that may adversely affect the operability of the electrophoretic display device.
  • Such a shielding device can be embodied in various ways, for example by providing a shielding fabric, which surrounds the display device within the switching device and thus shields against interference.
  • a shielding fabric which surrounds the display device within the switching device and thus shields against interference.
  • films and / or shielding is possible.
  • modified plastics such as steel fiber-filled thermoplastics possible, at the same time corresponding design of a housing formed therefrom in the field of insertion of the display device in a switching device.
  • Numerous other materials can serve as a shielding device for encapsulating the display device relative to the switching device in which the display device is arranged.
  • a jacket of the display device can be provided to maintain temperature fluctuations, which provides thermal decoupling. The susceptibility of the display device against disturbances due to temperature fluctuations can thus be effectively reduced.
  • the display device has at least one short-term buffer device for updating the displayed operating states and / or signals and / or data and / or messages and / or information when the supply voltage ceases.
  • an electrophoretic display device will also manage without such a short-term buffer device. However, this is used to update the display at the moment of switch-off. For example, in the event of a short-circuit shutdown, the unit will be switched off immediately with the highest priority.
  • the display is subsequently updated, for which purpose the short-time buffer device can serve.
  • the short-term buffer device the display device can be updated again in terms of their content, for example, to determine the cause of a fault quickly, safely and easily.
  • the control device may include control electronics and / or at least one signal generator. In both cases, the charging of the particles of the bistable or electrorphoretic display device can be controlled with a positive or negative charge, so that thereby the desired display can be generated on the display device.
  • Messages of the display device can be displayed in particular as a text message and / or as icons.
  • the variability of the display device is large, so that any type of switching device can be equipped with such a bistable or electrophoretic display device, since the desired contents of the display device can be easily represented.
  • the messages displayed on the display in text form or in the form of symbols can remain visible even without auxiliary power for a long time.
  • a switching device with such a display device may be a protective device, wherein the display device for displaying the
  • Tripping cause after triggering the protection device is used.
  • protective devices it proves to be very cumbersome in the devices of the prior art after triggering the protective device, such as a motor protection switch, etc., to determine the cause of the triggering of the protective device.
  • the bistable or electrophoretic display device according to the invention it is now possible without any problem to read the cause of the tripping on the display device, since this does not switch off when the supply voltage or an auxiliary energy disappears. This represents a very great advantage over the prior art protection devices which do not have such a bistable display device.
  • the switching device is a contactor, the provision of a bistable or electrophoretic display device proves to be extremely advantageous, namely in particular for displaying the number of switching cycles.
  • switchgear possible in which otherwise due to the use of display devices that require either a supply voltage or an auxiliary power to allow display of contents of the display device, independence from such a power supply can be created.
  • FIG. 1 shows a plan view of a schematic view of a switching device with a bistable display device according to the invention
  • Figure 2 is a schematic sectional view through an electrophoretic display device according to the invention
  • FIG. 3 shows a plan view of the electrophoretic display device according to FIG. 2.
  • Figure 1 shows a plan view of a schematic representation of a switching device 1 with a display device 2.
  • the switching device may be, for example, a circuit breaker, a contactor, a motor protection switch or another type of switching device.
  • the display device is an electrophoretic
  • a drive device 3 is furthermore provided.
  • This can for example be designed as a control electronics or as a simple signal generator, whereby more complex content on the display device can be displayed as well as simple contents, in which, for example, the control leads by a simple signal generator to display the respective signal.
  • the drive device may further include or be connected to a short-term buffer device 4, as indicated in FIG. 1, which is used to describe the display device.
  • a short-term buffer device can be designed, for example, in the form of capacitors.
  • the short-term buffer device can also be used to refresh the contents of the display device when the supply voltage to the display device is removed, for example, as already mentioned, to record the cause of the trip.
  • Such a short-term buffer device does not maintain the display as provided by previously known display devices solely by the buffer device in the form of a battery or auxiliary energy. Rather, in principle, the last content of the display device is maintained, even if the supply voltage is removed, since the charged particles remain in their position.
  • FIG. 2 shows a side sectional view of an embodiment of the electrophoretic display device 2 for use in the switching device 1 according to FIG.
  • the electrophoretic display device has an uppermost layer in the form of, for example, a plastic film 5. This can for example consist of PET (polyethylene terephthalate). Instead of
  • a firmer material can be selected, if required by the environmental conditions of the switching device. Basically, the use of glass is possible.
  • a transparent electrode 6 is arranged as a second layer. This is thinner than the plastic film 5.
  • a framework of partitions 7, 8, 9, 10, which are connected to each other via an upper cover wall 11 is provided below the transparent electrode 6 at this.
  • the individual partitions 7-10 are arranged like a pillar approximately perpendicular to the top wall 11 and taper slightly in the direction away from the top wall. They further define individual segments of the electrophoretic display device. Between each two adjacent partitions there is a dielectric liquid 19 with charged particles 17, 18 which are charged on the one hand positive (particles 18) and on the other hand negatively (particles 17).
  • Top wall 11 whereas the negatively charged particles 17 away from the electrode 6 adjacent to a sealing layer 12, which is disposed below the partition walls attach. This is approximately parallel to the transparent electrode 6.
  • Below the sealing layer is an adhesive layer 13, which connects the upper part of the electrophoretic display device 2 with a printed circuit board 14. Since the printed circuit board 14 in FIG. 2 is positively charged as the anode, the negative particles 17 are deposited thereon. Via the electrode 6 and the printed circuit board 14, the orientation of the charged particles 17, 18 made. When an electric field is applied, the dispersed or colloidally dissolved charged particles migrate in the electric field.
  • the display device shown in Figure 2 is surrounded on three sides by a shielding device 15 which shields electromagnetic interference.
  • This can be in the form of a special fabric, plates, special plastic sheathings, etc.
  • the entire display device 2 may be surrounded by a thermally decoupling jacket 16. This is indicated in dashed lines in Figure 2 only.
  • a thermally decoupling jacket may be provided, for example, by pouring the indicator into an insulating resin material. In principle, however, a thermal decoupling to the heat source or a switch is sufficient. An all-round, complete sheathing is therefore not essential.
  • electrophoretic display devices for switchgear for switchgear
  • numerous others can be formed, in each of which a supply voltage independent and auxiliary energy-free display of content on the display device is made possible.
  • other bistable display devices can be integrated in a switching device whose The peculiarity in each case is that they do not lose a set state in the absence of a power supply.

Landscapes

  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

L'invention vise à permettre de visualiser le contenu d'un dispositif d'affichage d'un appareil de commutation même après la suppression d'une tension d'alimentation ou d'une autre source d'énergie auxiliaire. A cette fin, le dispositif d'affichage (2) pour un appareil de commutation (1) est un dispositif d'affichage (2) bistable exempt d'énergie auxiliaire et indépendant de la tension d'alimentation à l'état d'affichage statique.
EP08715909A 2007-05-08 2008-02-21 Dispositif d'affichage pour un dispositif de commutation Withdrawn EP2145342A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710022002 DE102007022002A1 (de) 2007-05-08 2007-05-08 Anzeigeeinrichtung für ein Schaltgerät
PCT/EP2008/001344 WO2008135106A1 (fr) 2007-05-08 2008-02-21 Dispositif d'affichage pour un dispositif de commutation

Publications (1)

Publication Number Publication Date
EP2145342A1 true EP2145342A1 (fr) 2010-01-20

Family

ID=39456522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08715909A Withdrawn EP2145342A1 (fr) 2007-05-08 2008-02-21 Dispositif d'affichage pour un dispositif de commutation

Country Status (3)

Country Link
EP (1) EP2145342A1 (fr)
DE (1) DE102007022002A1 (fr)
WO (1) WO2008135106A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012012696A1 (de) * 2012-06-27 2014-01-02 Phoenix Contact Gmbh & Co. Kg Statusanzeige
FR3064414B1 (fr) * 2017-03-23 2019-06-07 Schneider Electric Industries Sas Appareil de coupure de courant electrique comportant un afficheur a cristaux liquides et un mecanisme presseur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689332A1 (fr) * 1992-03-30 1993-10-01 Gen Electric Interrupteur de circuit numérique avec écran anti-signaux IRF et IEM.
EP0782091A1 (fr) * 1995-12-21 1997-07-02 Siemens-Elema AB Panneau avant d'un appareil
US20060220541A1 (en) * 2005-03-30 2006-10-05 Seiko Epson Corporation Electronic device substrate, electronic device, method of manufacturing electronic device, and electronic apparatus

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US2178804A (en) 1937-03-26 1939-11-07 Jeremiah T Murphy Hydraulic clutch and reduction mechanism
US4760384A (en) * 1984-09-25 1988-07-26 Vila Masot Oscar Light-emitting diode indicator circuit
MX9702297A (es) * 1994-09-30 1998-04-30 Siemens Energy & Automat Representacion grafica para un dispositivo de manejo de energia.
DE19913223C2 (de) 1999-03-23 2002-04-18 Niels Dernedde Verbrauchskorrelierte Anzeige für Netzabkoppler
DE10103335A1 (de) * 2001-01-25 2002-08-01 Siemens Ag Bedienelement für ein elektronisches Gerät
KR20030011098A (ko) 2001-04-25 2003-02-06 코닌클리케 필립스 일렉트로닉스 엔.브이. 전기영동 칼라 디스플레이 디바이스
WO2003019519A1 (fr) * 2001-08-24 2003-03-06 Digit Wireless, Llc Procede de modification de l'aspect visuel de dispositifs d'entree
US6818291B2 (en) * 2002-08-17 2004-11-16 3M Innovative Properties Company Durable transparent EMI shielding film
TWI229230B (en) 2002-10-31 2005-03-11 Sipix Imaging Inc An improved electrophoretic display and novel process for its manufacture
DE102004034438A1 (de) * 2004-07-16 2006-02-16 Abb Patent Gmbh Beschriftungs- und Anzeigeeinrichtung für elektrische Geräte
DE202005005832U1 (de) * 2005-04-11 2005-06-16 Siemens Ag Methode zur Einstellung von Geräteparametern
DE102005053268A1 (de) * 2005-11-08 2007-05-10 Siemens Ag Bedienelement der Gebäudetechnik

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689332A1 (fr) * 1992-03-30 1993-10-01 Gen Electric Interrupteur de circuit numérique avec écran anti-signaux IRF et IEM.
EP0782091A1 (fr) * 1995-12-21 1997-07-02 Siemens-Elema AB Panneau avant d'un appareil
US20060220541A1 (en) * 2005-03-30 2006-10-05 Seiko Epson Corporation Electronic device substrate, electronic device, method of manufacturing electronic device, and electronic apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008135106A1 *

Also Published As

Publication number Publication date
DE102007022002A1 (de) 2008-11-13
WO2008135106A1 (fr) 2008-11-13

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