EP0150836A1 - Dispositif d'avertissement en cas de verglas - Google Patents

Dispositif d'avertissement en cas de verglas Download PDF

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Publication number
EP0150836A1
EP0150836A1 EP85100807A EP85100807A EP0150836A1 EP 0150836 A1 EP0150836 A1 EP 0150836A1 EP 85100807 A EP85100807 A EP 85100807A EP 85100807 A EP85100807 A EP 85100807A EP 0150836 A1 EP0150836 A1 EP 0150836A1
Authority
EP
European Patent Office
Prior art keywords
temperature sensor
display part
capacitor
current
solar cell
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Withdrawn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
EP85100807A
Other languages
German (de)
English (en)
Inventor
Franz-Josef Hunnekuhl
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.)
HUNNEKUHL FRANZ JOSEF
Original Assignee
HUNNEKUHL FRANZ JOSEF
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 HUNNEKUHL FRANZ JOSEF filed Critical HUNNEKUHL FRANZ JOSEF
Publication of EP0150836A1 publication Critical patent/EP0150836A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • G08B19/02—Alarm responsive to formation or anticipated formation of ice

Definitions

  • the invention relates to an ice warning device according to the preamble of the main claim.
  • Ice warning devices are a useful tool not only in road traffic, but also on sidewalks, house stairs or the like, in order to be informed about existing ice hazards in the event of temperature changes.
  • Such an ice warning device is described in DE-OS 29 40 205, which is equipped with a temperature sensor which works on the basis of liquid crystals or temperature-indicating color pigments.
  • a temperature sensor which works on the basis of liquid crystals or temperature-indicating color pigments.
  • Such a device is intended to make the device independent of third-party installations, such as power supply lines or the like.
  • the known device thus does not differ from conventional temperature indicators that work with mercury or ALCOHOL, and just like these devices, it is extremely difficult to make the values determined by the temperature sensor visible, particularly in fast road traffic.
  • the invention has for its object to provide an ice warning device that is also independent of third-party installations, but creates an effective display such that even in fast road traffic or for visually impaired older people, the risk of ice is immediately recognizable.
  • the invention solves this underlying problem with the features of the characterizing part of the main claim.
  • the invention makes use of the solar cells which are known per se and are already being used to a large extent today and which, accommodated in corresponding devices, are independent of third-party installations, such as power supply lines, etc.
  • the invention works with a temperature sensor which is live depending on the desired heat value to be displayed, for example + 2 to -2 ° C.
  • the power line of the solar cell connects to this temperature sensor, so that the temperature sensor blocks the current flow at values above + 2 ° C.
  • this temperature sensor becomes current-conducting and now transmits the current supplied by the solar cell to a capacitor that can discharge in pulses.
  • a display part is connected to the capacitor, which converts the current pulses supplied by the capacitor, for example, into flashes of light.
  • the size, sequence of flashes and flash intensity can vary depending on the size of the SoLarzeLLe and the Capacitor and the display part can be chosen arbitrarily.
  • the display part can also be designed as an LCD component or mechanically, e.g. work through an aperture adjustment.
  • An accumulator can also be switched on in the device.
  • the drawing shows the structure of the device according to the invention purely schematically.
  • the temperature sensor 1 denotes a temperature sensor, which, for example, enables the largest possible and thus sensitive scanning of the temperature prevailing in the area of the street surface or the surface of the stairs via a relatively large contact plate 2 or contact trough.
  • the temperature sensor 1 is arranged at the lower end of a post 3, which can be designed, for example, as a street post.
  • a post 3 can be designed, for example, as a street post.
  • an external solar cell 4 provided, a capacitor 5 and an externally visible display part 6, which can be made even stronger with appropriate prisms with regard to its display effect.
  • the solar cell 4 is connected to the temperature sensor 1 via a power line 7.
  • a current line 8 leads from the temperature sensor 1 to the capacitor 5 and from this a current line 9 leads to the display part 6.
  • the temperature sensor is designed such that it only delivers the electrical energy supplied by the solar cell 4 to the line 8 when the desired temperature range to be sensed has been reached. It should be expressly pointed out that this temperature range can of course not only lie in the frost range, but that the device according to the invention can also control other temperature ranges, so that this device is also suitable, for example, as a safety device for overheating.
  • a line 9 leads from the capacitor 5 to the display part 6 and the voltages generated by the excitation via the solar cell 4 in the capacitor 5 are now resolved in the display part into visible flashes of light which can be of a pulsed and thus relatively strong design.
  • the device according to the invention thus works when the light falls on the solar cell 4, it being found that the incident light from motor vehicle headlights is also sufficient to generate corresponding flashes in the display part 6.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Road Signs Or Road Markings (AREA)
  • Traffic Control Systems (AREA)
EP85100807A 1984-01-26 1985-01-26 Dispositif d'avertissement en cas de verglas Withdrawn EP0150836A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3402521 1984-01-26
DE3402521 1984-01-26

Publications (1)

Publication Number Publication Date
EP0150836A1 true EP0150836A1 (fr) 1985-08-07

Family

ID=6225881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85100807A Withdrawn EP0150836A1 (fr) 1984-01-26 1985-01-26 Dispositif d'avertissement en cas de verglas

Country Status (1)

Country Link
EP (1) EP0150836A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700871A1 (fr) * 1993-01-28 1994-07-29 Roger Jean Michel Feux de signalisation pour chaussée maritime submersible.
US9808764B2 (en) 2006-06-14 2017-11-07 Fluid Equipment Development Company, Llc Reverse osmosis system with control based on flow rates in the permeate and brine streams

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1441538A1 (de) * 1964-08-28 1969-05-08 Samson Appbau Ag Strassenverkehrswarnzeichen mit selbsttaetiger Einrichtung zur Anzeige von Glatteisgefahr oder -bildung
DE1963665A1 (de) * 1969-12-19 1971-06-24 Bosch Gmbh Robert Hinweisschild zur Warnung vor Glatteisgefahr
US3810139A (en) * 1972-11-29 1974-05-07 A Fergusson Temperature responsive signaling device
DE1933436B2 (de) * 1968-07-17 1977-02-17 Zellweger Uster Ag, Uster (Schweiz) Verfahren und vorrichtung zur optischen signalisierung
DE2704789A1 (de) * 1976-02-04 1977-08-11 Minnesota Mining & Mfg Intern gespeiste verkehrsleiteinrichtung
DE2940205A1 (de) * 1979-10-04 1981-04-16 Karl-Gottfried Dr. 7000 Stuttgart Reinsch Vorrichtung zum warnen vor eisglaettegefahr
AT370541B (de) * 1978-07-08 1983-04-11 Tekade Felten & Guilleaume Lichtsignaleinrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1441538A1 (de) * 1964-08-28 1969-05-08 Samson Appbau Ag Strassenverkehrswarnzeichen mit selbsttaetiger Einrichtung zur Anzeige von Glatteisgefahr oder -bildung
DE1933436B2 (de) * 1968-07-17 1977-02-17 Zellweger Uster Ag, Uster (Schweiz) Verfahren und vorrichtung zur optischen signalisierung
DE1963665A1 (de) * 1969-12-19 1971-06-24 Bosch Gmbh Robert Hinweisschild zur Warnung vor Glatteisgefahr
US3810139A (en) * 1972-11-29 1974-05-07 A Fergusson Temperature responsive signaling device
DE2704789A1 (de) * 1976-02-04 1977-08-11 Minnesota Mining & Mfg Intern gespeiste verkehrsleiteinrichtung
AT370541B (de) * 1978-07-08 1983-04-11 Tekade Felten & Guilleaume Lichtsignaleinrichtung
DE2940205A1 (de) * 1979-10-04 1981-04-16 Karl-Gottfried Dr. 7000 Stuttgart Reinsch Vorrichtung zum warnen vor eisglaettegefahr

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700871A1 (fr) * 1993-01-28 1994-07-29 Roger Jean Michel Feux de signalisation pour chaussée maritime submersible.
US9808764B2 (en) 2006-06-14 2017-11-07 Fluid Equipment Development Company, Llc Reverse osmosis system with control based on flow rates in the permeate and brine streams

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19860408