WO2015154819A1 - Appareil de terrain - Google Patents

Appareil de terrain Download PDF

Info

Publication number
WO2015154819A1
WO2015154819A1 PCT/EP2014/057387 EP2014057387W WO2015154819A1 WO 2015154819 A1 WO2015154819 A1 WO 2015154819A1 EP 2014057387 W EP2014057387 W EP 2014057387W WO 2015154819 A1 WO2015154819 A1 WO 2015154819A1
Authority
WO
WIPO (PCT)
Prior art keywords
field device
light guide
light
coating
luminous
Prior art date
Application number
PCT/EP2014/057387
Other languages
German (de)
English (en)
Inventor
Clemens Hengstler
Günter KECH
Original Assignee
Vega Grieshaber Kg
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 Vega Grieshaber Kg filed Critical Vega Grieshaber Kg
Priority to PCT/EP2014/057387 priority Critical patent/WO2015154819A1/fr
Priority to DE112014006581.1T priority patent/DE112014006581A5/de
Publication of WO2015154819A1 publication Critical patent/WO2015154819A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices

Definitions

  • the present invention relates to a field device according to the preamble of patent claim 1.
  • FIG. 3 shows a field device 1 with a housing 3, which is closed by a cover 4.
  • a sensor 15 is arranged, which is designed to convert a measured variable into a measurement ⁇ signal.
  • the sensor 15 is a Ausreteelekt ⁇ ronik 16 downstream of which accomplishes in addition to evaluation of the measuring signal ⁇ a detection of a state of the sensor 15 and optionally of the field device 1 itself.
  • the state may include, for example, a limit value over or under the measurement signal, a functionality of the meter itself, an overshoot or undershoot of a permissible temperature or the like.
  • the corresponding state is then forwarded to an electronic component 5, which is likewise arranged in the housing 3.
  • the electronic component 5 has a luminous means, which is designed to be suitable for the op ⁇ schematically indication of the condition.
  • luminous means 7 for example, one or more light-emitting diodes can be provided, which makes the state of the device, in the sense of a traffic light circuit having three states differing ⁇ chen outwardly visible ⁇ example.
  • a green light emitting diode for the state "device ready” for example, a yellow LED for the state "error present” and a red LED for the state "device failed.”
  • this luminous information of the lamp 7 by means of a light guide, starting from the electronic component 5 on which the luminous means 7 is ⁇ arranged to be passed through the cover 4 and to bring to the surface of the lid 4 or outside of the field device 1 to display.
  • a light guide may be provided to the prior art, which is formed such that it has a cross ⁇ section which substantially corresponds to a diameter of the bulb in its main emission direction, so that a radiation is achieved with a radiating surface a in the size of the lamp.
  • a field device has a housing, at least one electronic component arranged in the housing for generating a condition of the field device and at least one illuminant for optical indication of the state, wherein the display is readable outside the field device and wherein the illuminant is formed as a planar illuminant and / or a light guide is provided which cooperates with the illuminant such that the Display outside the field ⁇ device is read, wherein the light guide is suitably keptbil ⁇ det and arranged that a surface radiation with ei ⁇ ner radiating surface perpendicular to a main radiation of the illuminant can be achieved, which is a multiple of a Ab ⁇ radiating surface of the bulb.
  • a flat illuminant is understood to mean a luminous means which has an extent perpendicular to its main emission direction, which is a multiple of an extent in the direction of the main emission direction.
  • a field device is thus made available in which, by means of a planar illuminant or by generating a planar emission by means of an optical waveguide, a radiating surface which is significantly larger than that of the prior art and thus a significantly improved readability is achieved.
  • a luminescent foil in particular a luminescent foil made of organic light-emitting diodes (OLED foil), can be used as a flat luminous means.
  • OLED foil organic light-emitting diodes
  • a light conductor ⁇ this is preferably at least partially formed plate-tenförmig, whereby a similar Abstrahlcha- rakterizing can be achieved for the field device.
  • the use of such a light guide can be advantageous, in particular when using a light-emitting diode as the light source, which can preferably be designed as a multicolor light-emitting diode.
  • the light ⁇ conductor preferably has a Einkopplaniser, which cooperate with the light source such that light emitted by the light source is coupled into the light guide.
  • a coupling arrangement may be formed, for example, as a ke ⁇ gel-shaped recess of the light guide in an opening angle between 45 ° and 80 °, preferably about 65 °.
  • Fiber optics are coupled, wherein the plate-shaped
  • Light guide is arranged in this case perpendicular to the main emission of the light emitting diode.
  • a corresponding coupling arrangement can be provided in the case of a plate-shaped and circular light guide, preferably at the center thereof.
  • the optical waveguide has a first coating on the outside, ie, on a side facing away from the luminous means in a region opposite the coupling-in arrangement .
  • a such coating can be formed, for example, as a coating or metallization or in the simplest case as a sticker, which is adhered to the light guide. Such a coating reduces direct light emission in this area and thus avoids the formation of the above-mentioned hotspot.
  • the light guide is substantially cup-shaped means provided with a circumferentially arranged rim.
  • the edge may preferably be arranged on the side of the coupling-in arrangement and extend substantially in the direction of the main emission direction of the luminous means.
  • the light guide of the present arrangement is designed as a lid of the field device, whereby a particularly favorable integration of the light guide into existing field devices is possible and in particular by lighting the entire lid of the field device, a further improved readability is achieved.
  • An improved lighting effect of the light guide can also be achieved in that the light guide inside and / or outside at least partially a second
  • the coating can be designed, for example, as a metallization, a coating or as a sticker, and / or the structuring can be formed as satinization of the light guide or grooves in the surface.
  • a Sa ⁇ inking of the light guide ie a design of the light ⁇ conductor with a slightly roughened surface causes a significantly improved light emission, so that a particularly good lighting effect can be achieved.
  • the optical waveguide is preferably made of a polymethyl metacrylate, preferably made of satined polymethyl methacrylate.
  • the above material is from the state of tech ⁇ technology already known and is characterized by good processability and durability, so that good and reproducible results can be achieved by its USAGE ⁇ dung.
  • the light guide and the light source are preferably matched to one another in such a way that, during operation of the light source, the light guide essentially has a luminance of at least 30 cd / m 2 , in particular between 30 cd / m 2 and 150 cd / m 2 , preferably of at least 50 cd / m 2 , more preferably of at least 75 cd / m 2 and more preferably of at least 100 cd / m 2 at ei ⁇ ner surface of at least 20 cm 2 , preferably at least 40 cm 2 , in particular 46 cm 2 having.
  • FIG. 1 shows a cross section through an electronic component as can be used in a field device according to the invention
  • Figure 2 is a plan view of the electronic component of Fi ⁇ gur 1
  • FIG 3 shows a field device according to the prior art (already treated).
  • FIG. 1 shows a cross section through an embodiment of an electronic component 5 as they may be used in a field device according to the invention ⁇ SEN. 1
  • the electronic component 5 has a carrier 20 which may be fabricated at ⁇ play, of plastic, on which a board is disposed 21st On the circuit board 21, which is formed circular in plan ⁇ view in vorlie ⁇ constricting embodiment as well as the support 20 is centered a Leuchtmit ⁇ tel 7, which is formed in the present embodiment as a multi-color light-emitting diode is disposed.
  • a connection ⁇ lead of the electronic component 5 is an information about a state of the field device 1, for example its Be ⁇ operating state is supplied. This information is converted into the Elect ⁇ ronikkomponente 5 into a display signal, which is the lighting means 7, in this case, the multicolor light emitting diode is supplied.
  • the multicolor LED is deactivated, for example, in one of the colors green, yellow or red light to signal the state to the outside.
  • a main emission direction H of the luminous means 7 is shown in Figure 1 by means of an arrow.
  • the electronic component 5 is formed in the presentariessbei ⁇ game as a separate module, which is connected by means of a Bajo ⁇ nice closure 23 with other modules.
  • the lighting means 7 arranged directly opposite, the light guide 9, a coupling-11, which is formed in the present embodiment as a conical Ausneh ⁇ mung with an opening angle of approximately 65 °.
  • the optical waveguide 9 has in this region on the outside, ie on a side facing away from the luminous means 7, a first coating 13 which forms a so-called hotspot, ie nes point with increased light emission, prevented.
  • This first coating 13 can be formed as a sticker that is glued onto the light guide 9, for example, as paint, Me ⁇ metallization or in the simplest case.
  • a second coating 14 which also forms as painting or metallization can be excluded.
  • a further possibility for improving egg ⁇ ner light emission further comprises a preferably white formed additional layer on the inside of the Lichtlei ⁇ ters 9 may be provided, which is arranged at a small distance therefrom.
  • the aforementioned first and second coatings 13, 14 are also preferably made white.
  • FIG. 2 shows a plan view of the electronic component 5 from FIG. 1.
  • the circular configuration of the light guide 9 as well as central arrangement of the first Be ⁇ coating 13 is particularly clearly visible.
  • the first coating 13 is formed in the present embodiment with a diameter of about one quarter of an overall diameter and as a coating. In this way, a substantially homogeneous luminance over the entire surface of the light guide 9 he ⁇ reaches.
  • a radiating surface A is defined in the present embodiment mainly by the recognizable in plan view surface of the light guide 9.
  • the hen the edge 22 additionally reaches a circumferential light emission.
  • significantly enlarged radiating surface A is achieved in comparison to a radiation surface of the light bulb 7 so that a significantly improved readability of the signaled by the lighting means 7 state of Feldgerä ⁇ tes 1 is achieved by the arrangement shown in Figures 1 and 2 embodiment.
  • the light guide 9 can be formed not only as an element of the electronic component 5 that is attached in the housing 3 ⁇ arranged, but may also be formed directly as De ⁇ ckel 4 of the box unit 1.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

L'invention porte sur un appareil de terrain (1) comprenant un boîtier (3), au moins un composant électronique (5) disposé dans le boîtier (3) et destiné à détecter un état de l'appareil de terrain (1) et au moins un moyen d'éclairage (7) destiné à indiquer l'état par voie optique, dans lequel l'indication est lisible à l'extérieur de l'appareil de terrain (1), le moyen d'éclairage (7) est constitué par un moyen d'éclairage plat (7) et/ou il est prévu un guide d'ondes (9) qui coopère avec le moyen d'éclairage (7) de telle sorte que l'indication est lisible à l'extérieur de l'appareil de terrain (1), le guide d'ondes étant constitué et disposé de telle manière que l'on puisse obtenir un rayonnement plat présentant une surface radiante (A) perpendiculaire à une direction de rayonnement principale du moyen d'éclairage (7) et qui est égale à plusieurs fois une surface radiante (A) du moyen d'éclairage (7).
PCT/EP2014/057387 2014-04-11 2014-04-11 Appareil de terrain WO2015154819A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2014/057387 WO2015154819A1 (fr) 2014-04-11 2014-04-11 Appareil de terrain
DE112014006581.1T DE112014006581A5 (de) 2014-04-11 2014-04-11 Feldgerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/057387 WO2015154819A1 (fr) 2014-04-11 2014-04-11 Appareil de terrain

Publications (1)

Publication Number Publication Date
WO2015154819A1 true WO2015154819A1 (fr) 2015-10-15

Family

ID=50687446

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/057387 WO2015154819A1 (fr) 2014-04-11 2014-04-11 Appareil de terrain

Country Status (2)

Country Link
DE (1) DE112014006581A5 (fr)
WO (1) WO2015154819A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105195A1 (de) * 2016-03-21 2017-09-21 Endress + Hauser Gmbh + Co. Kg Feldgerät der Automatisierungstechnik

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8816551U1 (de) * 1988-09-07 1989-11-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Leuchtanzeigeanordnung
DE102005025670A1 (de) * 2005-06-03 2006-12-07 Siemens Ag Elektronisches Gerät
DE102008047422A1 (de) * 2008-09-15 2010-04-15 Endress + Hauser Wetzer Gmbh + Co Kg Feldgerät
EP2177881A2 (fr) * 2008-10-15 2010-04-21 Nagano Keiki Co., Ltd. Indicateur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8816551U1 (de) * 1988-09-07 1989-11-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Leuchtanzeigeanordnung
DE102005025670A1 (de) * 2005-06-03 2006-12-07 Siemens Ag Elektronisches Gerät
DE102008047422A1 (de) * 2008-09-15 2010-04-15 Endress + Hauser Wetzer Gmbh + Co Kg Feldgerät
EP2177881A2 (fr) * 2008-10-15 2010-04-21 Nagano Keiki Co., Ltd. Indicateur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016105195A1 (de) * 2016-03-21 2017-09-21 Endress + Hauser Gmbh + Co. Kg Feldgerät der Automatisierungstechnik
WO2017162483A1 (fr) * 2016-03-21 2017-09-28 Endress+Hauser Gmbh+Co. Kg Appareil de terrain de la technique de l'automatisation
CN108885127A (zh) * 2016-03-21 2018-11-23 恩德莱斯和豪瑟尔欧洲两合公司 自动化技术的现场设备
US10726685B2 (en) 2016-03-21 2020-07-28 Endress+Hauser SE+Co. KG Field device of automation technology

Also Published As

Publication number Publication date
DE112014006581A5 (de) 2017-04-27

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