WO2022117177A1 - Passives statusanzeigemodul für einen sensor - Google Patents
Passives statusanzeigemodul für einen sensor Download PDFInfo
- Publication number
- WO2022117177A1 WO2022117177A1 PCT/EP2020/084151 EP2020084151W WO2022117177A1 WO 2022117177 A1 WO2022117177 A1 WO 2022117177A1 EP 2020084151 W EP2020084151 W EP 2020084151W WO 2022117177 A1 WO2022117177 A1 WO 2022117177A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- display module
- status display
- light
- passive
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
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- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000004801 process automation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007373 indentation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- G01D11/26—Windows; Cover glasses; Sealings therefor
-
- 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
- G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4813—Housing arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/51—Display arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/64—Luminous indications
-
- 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
- G01D2207/00—Indexing scheme relating to details of indicating measuring values
- G01D2207/30—Displays providing further information, in addition to measured values, e.g. status
Definitions
- Passive status display module for a sensor
- the invention relates to process automation in an industrial environment.
- the invention relates to a passive status display module for displaying a status of a sensor using a light signal, and a sensor with such a passive status display module and the use of such a passive status display module for displaying a status of a sensor using a light signal.
- sensors are used to record process parameters or to monitor areas, such as hazardous areas.
- Sensors used for this purpose can be radar sensors, pressure sensors, ultrasonic sensors, etc.
- limit sensors it can be useful to output the information “limit reached”/“limit not yet reached” by means of a light signal.
- other signals can also be output, for example radio signals or acoustic signals.
- a first aspect of the present disclosure relates to a passive status display module, which can be designed in particular for process automation in an industrial environment, and which is set up to display a status of a sensor using one or more light signals.
- the passive status indicator module has a light-transmissive body with a bottom, a top and a border area.
- the underside is designed to couple light from a light source of the sensor into the translucent body.
- the light-transmitting body is designed in such a way that it directs the coupled-in light in the direction of the upper side and in the direction of the edge area in order to indicate a status of the sensor.
- the light source of the sensor can be, for example, a point light source and/or a light-emitting diode, which illuminates at least a section of the underside of the translucent body when the passive status display module is placed on the sensor or inserted into the sensor.
- the upper side of the light-transmissive body has an inwardly directed first curvature, which is set up to deflect the coupled-in light in the direction of the edge area, so that a predetermined area of the edge area is irradiated.
- the underside has an inwardly directed second curvature, which is set up to direct the light from the light source during coupling in the direction of the upper side of the light-transmissive body, so that a predetermined area of the upper side is irradiated, and in particular the inward directed first bulge.
- the entire upper side or at least essentially the entire upper side is preferably irradiated, so that the passive status display module is illuminated to a high percentage and emits light accordingly.
- the underside has a recess designed to accommodate a communication module of the sensor, for example a Bluetooth module or some other type of wireless communication module.
- a communication module of the sensor for example a Bluetooth module or some other type of wireless communication module.
- the two inward bulges can be designed in such a way that little or no light from the lower bulge impinges on the recess.
- the inwardly directed first bulge and the inwardly directed second bulge are arranged opposite one another.
- At least one of the two bulges is arranged offset laterally to the central axis of the status display module.
- the passive status display module has a latching element, or a plurality of latching elements, for latching when the status display module is attached to the sensor.
- the latching elements snap into corresponding receptacles in the sensor housing and/or the electronics housing of the sensor.
- the passive status display module is designed as a pressure-resistant, in particular metallic, housing cover, with the light-transmitting body being made of glass, for example.
- the module itself can form a pressure-resistant cover. It can be provided that the glass pane of the cover has the two bulges and no additional module is required.
- the housing cover can also not be encapsulated in a flameproof manner, for example in the form of a transparent plastic cover.
- the passive status display module is designed as a puck-like insert in the cover area of a sensor housing. After attaching the passive status display module to the sensor, the cover can be screwed on.
- the underside and/or the upper side of the translucent body has a frosting, roughness or other surface shape in order to scatter the incident light from the light source as effectively as possible so that it is distributed in the translucent body in order to close it illuminate.
- the translucent body has a circumferential phase in the transition between the edge area and the top, which is set up to increase the visibility of the status display, so that it can also be seen well from the side.
- a further aspect of the present disclosure relates to a sensor with a (first) passive status display module described above and below.
- a further embodiment of the present disclosure relates to such a sensor with a further, second status display module, which is arranged below the first status display module.
- the two modules can be stacked one on top of the other.
- the first module is active with a light source and the second module is passive as described here.
- a further aspect of the present disclosure relates to the use of a passive status display module described above and below in a sensor for displaying a status of a sensor by means of a light signal.
- the feature “passive” means that the status display module does not have to have its own light source, but is illuminated by an LED of the sensor.
- process automation in the industrial environment can be understood as a sub-area of technology that includes measures for the operation of machines and systems without human intervention.
- One goal of process automation is eFs to automate the interaction of individual components of a plant in the chemical, food, pharmaceutical, petroleum, paper, cement, shipping or mining sectors.
- a large number of sensors can be used for this purpose, which are particularly adapted to the specific requirements of the process industry, such as mechanical stability, insensitivity to contamination, extreme temperatures and extreme pressures. Measured values from these sensors are usually transmitted to a control room, in which process parameters such as fill level, limit level, flow rate, pressure or density monitored and settings for the entire plant can be changed manually or automatically.
- a sub-area of process automation in the industrial environment relates to logistics automation.
- processes inside or outside a building or within a single logistics facility are automated in the field of logistics automation.
- Typical applications are found, for example, in systems for logistics automation in the area of baggage and freight handling at airports, in the area of traffic monitoring (toll systems), in retail, in parcel distribution or in the area of building security (access control).
- presence detection in combination with precise measurement of the size and position of an object is required by the respective application.
- Sensors based on optical measuring methods using lasers, LEDs, 2D cameras or 3D cameras, which record distances according to the transit time principle (time of flight, ToF), can be used for this purpose.
- factory/manufacturing automation Another sub-area of process automation in the industrial environment relates to factory/manufacturing automation. Use cases for this can be found in a wide variety of industries such as automobile manufacturing, food production, the pharmaceutical industry or generally in the field of packaging.
- the aim of factory automation is to automate the production of goods using machines, production lines and/or robots, i. H. run without human intervention.
- the sensors used here and the specific requirements with regard to the measurement accuracy when detecting the position and size of an object are comparable to those in the previous example of logistics automation.
- FIG. 1 shows a passive status indicator module according to an embodiment in a cross-sectional view.
- FIG. 2 shows the upper area of a sensor with a passive status display module, also in a cross-sectional view.
- FIG. 3 shows three perspective views of a sensor.
- FIG. 4 shows a passive status indicator module in a perspective view.
- FIG. 5 shows the passive status indicator module of FIG. 4 from below.
- the passive status display module 101 is used to display a status of a sensor using a light signal.
- the passive status display module 101 has a translucent body 102, with a bottom 103, a top 104 and an edge region 105.
- the bottom 103 is irradiated by a light source in the sensor, for example a light-emitting diode, and is used to couple the light from the light source of the sensor into the translucent body 102.
- the underside can have an inward curvature 108, which can be shaped like a lens, in order to deflect the light from the light source of the sensor, so that the largest possible area of the upper side 104 of the translucent body 102 is irradiated .
- the top 104 has an opposite, also inwardly directed bulge 107, which is irradiated by the light in order to reflect it and into
- RECTIFIED SHEET (RULE 91) ISA/EP to distribute in different directions in the translucent body.
- the light is deflected in the direction of the edge regions 105 of the transparent body.
- An annular section is provided in the lower area of the light-transmissive body, which can have one or more snap-in elements 112 in order to fasten the passive status display module to the sensor housing.
- the passive status indicator module could be implemented as a passive "LED puck". No additional wiring is required to provide the desired status indication. In particular, the multiple deflection of the incident light ensures axial and radial visibility.
- the light of the existing status LED of the sensor which is connected to the main electronics of the sensor, for example the point level sensor, is distributed axially and radially. Any sensor, and in particular a filling level sensor as well as a point level sensor, can be retrofitted with this LED puck. It is advantageous for subsequent equipment if the LED is always arranged in the same position in the main electronics, so that the bulges 107, 108 are ideally irradiated.
- FIG. 2 shows a cross-sectional view of the upper area of a point level sensor or fill level sensor 100.
- the sensor 100 has an electronics cup 121 in which the electronics are accommodated.
- the light source 106 is located on the electronics cup 121 and is arranged directly below the inward bulge 108 on the underside of the light-transmissive body 102 of the passive status display module 101 .
- the LED 106 irradiates the lens-like curvature 108, which couples the light into the light-transmitting body 101, so that large areas of the upper side 104 of the light-transmitting body 101 and in particular the curvature 107 arranged at the top are irradiated.
- the upper curvature 107 breaks the light and reflects it in particular in the direction of the edge area 105.
- the sensor housing has a cover 120 that can be screwed on, which is also translucent in the present example and is made of plastic, for example.
- the passive status indicator module 101 has a surrounding elastomer 111 for supporting the status indicator module after installation in the sensor 100 . Between the There is an air gap on the underside of the cover 120 and the status display module 101 .
- the housing cover 120 has a circumferential bezel 122 which increases the visibility of the status indicator from the side.
- Fig. 3 shows three perspective views of a sensor 100, on the left with a closed housing cover, in the middle with an open housing cover and a passive status display module 101 attached, and on the right with an open housing cover without a passive status display module 101 attached.
- the passive status display module 101 is attached to the base body of the sensor housing or to the electronics cup 121 by means of a rotary movement.
- FIG. 4 shows a perspective view of a passive status display module 101.
- the lens-like curvature 107 can be seen on the upper side, which is arranged laterally offset to the central axis of the module.
- Two indentations 130 are provided laterally on the upper side, which make it easier to attach the module to the sensor housing.
- FIG. 5 shows the passive status indicator module 101 of FIG. 4 viewed from below. Opposite the indentation on the top is a smaller indentation 108 on the bottom. In particular, three latching elements 112 are provided in this embodiment, which are set up for attachment to the electronics cup 121 .
- the sensor cover can be designed to be pressure-resistant. Like the rest of the sensor housing, the sensor cover can be made of metal and, in particular, cannot be translucent. It can have a passive status indicator module 101 made of glass, which protrudes upwards from the metal cover and refracts the light from the light source in such a way that it becomes visible from the side. A circumferential phase can be provided to simplify lateral radiation, similar to the cover 120 of FIG. 2.
- the underside 114 of the passive status display module 101, and possibly also the upper frame and/or the entire upper side, can be matted or roughened or otherwise processed and shaped in order to also deflect the light from the light source 106 to the side, so that the translucent body 102 is broadcast optimally.
- the structure of the sensor cover satisfies the Ex-D requirements for explosion protection.
- a further status display module can be provided underneath the status display module 101, as described above with reference to FIGS.
- the passive status display module 101 is designed as an LED puck and has two lens-like bulges. These two “lenses” refract or direct the light rays from the light source in such a way that a radial and axial alignment takes place.
- this design allows foreign objects inside the puck to be bypassed, such as a recess for a Bluetooth module. This makes it possible to attach a Bluetooth module without negatively affecting the axial and radial illumination.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2020/084151 WO2022117177A1 (de) | 2020-12-01 | 2020-12-01 | Passives statusanzeigemodul für einen sensor |
DE112020007809.4T DE112020007809A5 (de) | 2020-12-01 | 2020-12-01 | Passives Statusanzeigemodul für einen Sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2020/084151 WO2022117177A1 (de) | 2020-12-01 | 2020-12-01 | Passives statusanzeigemodul für einen sensor |
Publications (1)
Publication Number | Publication Date |
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WO2022117177A1 true WO2022117177A1 (de) | 2022-06-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2020/084151 WO2022117177A1 (de) | 2020-12-01 | 2020-12-01 | Passives statusanzeigemodul für einen sensor |
Country Status (2)
Country | Link |
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DE (1) | DE112020007809A5 (de) |
WO (1) | WO2022117177A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2391702A (en) * | 2002-06-07 | 2004-02-11 | Polymer Optics Ltd | Modular optical system |
KR20090111984A (ko) * | 2008-04-23 | 2009-10-28 | 유통희 | 수도계량기 |
WO2011128926A1 (en) * | 2010-04-16 | 2011-10-20 | Franco Venturini | Improved lens for led |
DE102015115096A1 (de) * | 2015-09-08 | 2017-03-09 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Sensoranordnung zur optischen Erfassung von Bediengesten an Fahrzeugen |
US20200135961A1 (en) * | 2017-06-13 | 2020-04-30 | Amosense Co., Ltd. | Window cover for sensor package and sensor package including same |
-
2020
- 2020-12-01 WO PCT/EP2020/084151 patent/WO2022117177A1/de active Application Filing
- 2020-12-01 DE DE112020007809.4T patent/DE112020007809A5/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2391702A (en) * | 2002-06-07 | 2004-02-11 | Polymer Optics Ltd | Modular optical system |
KR20090111984A (ko) * | 2008-04-23 | 2009-10-28 | 유통희 | 수도계량기 |
WO2011128926A1 (en) * | 2010-04-16 | 2011-10-20 | Franco Venturini | Improved lens for led |
DE102015115096A1 (de) * | 2015-09-08 | 2017-03-09 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Sensoranordnung zur optischen Erfassung von Bediengesten an Fahrzeugen |
US20200135961A1 (en) * | 2017-06-13 | 2020-04-30 | Amosense Co., Ltd. | Window cover for sensor package and sensor package including same |
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DE112020007809A5 (de) | 2023-09-28 |
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