EP1439120A2 - Lanterne avec moyen d'éclairage électrique et procédé d'utilisation de la lanterne - Google Patents

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Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
  • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
  • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
  • F21V29/50—Cooling arrangements
  • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
  • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
  • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
  • F21V23/0457—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the operating status of the lighting device, e.g. to detect failure of a light source or to provide feedback to the device
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
  • F21V29/50—Cooling arrangements
  • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
  • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
  • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B45/00—Arrangements or adaptations of signalling or lighting devices
  • B63B45/04—Arrangements or adaptations of signalling or lighting devices the devices being intended to indicate the vessel or parts thereof
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
  • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
  • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
  • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
  • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
  • F21W2111/04—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
  • F21Y2115/00—Light-generating elements of semiconductor light sources
  • F21Y2115/10—Light-emitting diodes [LED]

Definitions

• the invention relates to a lantern with at least one electric light source.
• Lanterns are used under other than ship lighting and / or position lights. Other applications, also outside of ships are possible. Preferred are application areas in which Lanterns or lights must have largely constant light intensity.
• Electric bulbs differ not only in terms of power consumption. For special applications is a constant light intensity over the life of the Illuminant of utmost importance, such as position lights on board ships.
• the statutory requirements require minimum ranges.
• the lanterns designed for this purpose are subject to aging and external influences, such as the ambient temperature. Depending on at least these two factors may change depending on the light source the light intensity, in particular weakenings, occur. With the present Invention, the problems described should be reduced or even avoided.
• the lantern according to the invention is characterized by at least one sensor for Detecting the light intensity of the bulb.
• the sensor provides an output signal, with the measures for controlling the operation of the lantern can be triggered.
• easy Sensors are, for example, photodiodes.
• the lantern is characterized by means for changing the current or the voltage for the lamp depending on the output signal of the sensor.
• means for changing the current or the voltage for the lamp depending on the output signal of the sensor Such means may be presented in a suitable electronic circuit become.
• means for switching off the Illuminant depending on the output signal of the sensor and / or the electrical Power consumption of the light source may be provided.
• the function is by a suitable electronic circuit executable.
• a switch to a backup system be provided, for example, on another lantern (external reserve) or on additional bulbs within the lantern (internal reserve).
• the light source at least one LED (light emitting diode) intended.
• the currently widespread LED reduce the emitted light intensity with increasing Age and with increasing temperature.
• the invention enables the use of LEDs.
• a plurality of LEDs are annular or semi-annular arranged to form a substantially radial Abstrahlebene.
• Main part of the radiated light of each individual LED is therefore in the radial direction radiated.
• By arranging several LEDs along an imaginary ring or partial ring can simulate the function of a omnidirectional light or a part thereof become. With a vertical ring axis, this results in a horizontal or conical Abstrahlebene or a Abstrahlebene perpendicular or at an angle to the ring axis.
• a central support for the LEDs extends along the axis of the ring, with a circumferential wall on which the LEDs are arranged directly or indirectly are.
• the central support may be elongate defining a longitudinal axis, as a solid or hollow rod.
• the heat generated by the LEDs is dissipated by the central carrier, which acts here as a heat sink, in the direction of the ring axis or longitudinal axis dissipated.
• the thermal load of the LEDs is thereby lower. This affects itself favorable to the overall life of the LEDs, since the higher power consumption of the LEDs is required by appropriate regulation to a lesser extent than in an embodiment without heat sink.
• At least one sensor is perpendicular to Main emission direction of the nearest LEDs arranged. This way, in particular the scattered light detected.
• the sensor With annular arrangement of the LED with radial radiation level the sensor is located outside the radiation level with a main detection direction of the sensor directed transversely to the plane of abstraction or with orientation to the nearest LED.
• several sensors can be provided.
• Corresponding a sensor receives the scattered light from several LEDs. The number of sensors remains small, while the function of the lantern remains guaranteed.
• the insert has an elongated heat sink with a longitudinal axis and in at least one plane perpendicular to the longitudinal axis arranged bulbs. Furthermore At least one sensor for detecting the light intensity of the light source is provided on the insert. As the light source preferably LEDs are used. The sensors detect their scattered light and are preferably on a circulating around the heat sink board and arranged at an axial distance from the bulbs. The board extends perpendicular to the longitudinal axis or parallel to the main emission direction of the LEDs.
• the invention also relates to a method for operating a lantern with at least an electric bulb.
• the method is characterized in that the luminous intensity of the emitted light is recorded constantly or regularly and in dependence from the detected intensity of an adjustment of current or voltage for the Light source is performed so as to adjust the light intensity to a defined setpoint or Minimum value.
• suitable sensors the scattered light of the bulbs be recorded.
• the latter are designed in particular as LEDs.
• the at least one light source is exceeded when a defined switched off electrical power, preferably all bulbs.
• a defined switched off electrical power preferably all bulbs.
• the lighting of a lantern can also be provided that at the same time a backup system is connected, such as an adjacent second lantern.
• two lanterns are arranged one above the other, the alternative or at the same time operate.
• the lighting means be switched off regularly for a short time, that with switched off bulbs External light detected and to determine the actual light intensity of the bulbs is taken into account.
• the detected by the sensors light intensity is composed from the light of the bulbs and possibly existing and mostly changing Extraneous light. The latter is due to the said short-term switching off the light source detected. For example, the bulbs every minute for about 10 milliseconds switched off. Particularly short turn-off phases can be realized well with LEDs.
• a lantern in an upright position with an upright longitudinal axis 11 has a housing from lid 12, translucent tubular cover 13 and bottom 14. This type of housing is described in detail in German Utility Model 201 14 306.2.
• an opening 15 for an electrical connection 16 is provided in the bottom 14.
• the Cover 13 is fastened with a flange sleeve 17 on the bottom 14.
• a flange sleeve 17 on the bottom 14.
• An outwardly directed collar 20 of the flange sleeve 17th is connected to an annular surface 21 of the bottom 14, about screwed or clamped.
• the cover 13 is a Fresnel lens with an upper stepped portion 22, a lower stepped portion 23 and a middle (ungraded) portion 24 is formed.
• the circumferential central region 24 is located in a Hauptabstrahlebene 25 perpendicular to Longitudinal axis 11. The stages of the two circumferential areas 22, 23 are directed outward.
• the cover 13 is flat.
• the middle region 24 has on the inside and outside flat surfaces.
• the cover 13 has a further flange 26. This one serves the connection with the lid 12, which the circumferential flange 26 with locking elements 27 encompasses. Flange 26 and locking elements 27 are only at partial areas of the circumference the cover 13 and the cover 12 are provided. This is the lid with a partial rotation on the cover 13 in the manner of a bayonet lock lockable.
• the lid has on its upper side outside each other parallel cooling fins 28. crosswise To these and above it, a grip element 29 is arranged on the cover 12.
• the lantern or her housing is weatherproof and waterproof. With a suitable Bulb is a light emission over 360 ° (all-round light) possible.
• each LED 32 is associated with a small board 33, on the LED 32 is fixed, about soldered.
• Each board 33 can not be shown have electronic components for controlling the associated LED 32.
• the Boards 33 have an elongated rectangular shape and lie on corresponding Contact surfaces 34 on the heat sink 31 at.
• the contact surfaces 34 share the outer circumference of the solid, rod-shaped heat sink 31 in the same size against each other angled Sections.
• twelve contact surfaces 34 with accordingly twelve resting, bolted small boards 33 and a total of twelve LEDs 32 are provided.
• the LEDs 32 form the main radiation plane 25.
• Part of the insert 30 is in the present example also a medium sized board 35, which is parallel to the Hauptabstrahlebene 25 disc-shaped ring around the heat sink 31st extends around.
• An inner diameter of the middle board is still on the boards 33 on, near lower ends of the same. From each small board 33 is an electrical conductive connection to the middle board 35, such as a solder tag or the like.
• a lower large board 37 is connected to the middle board 35.
• the spacers 36 extend parallel to the longitudinal axis 11, the is also the longitudinal axis of the heat sink 31.
• the lower board 37 is disc-shaped formed with an inner diameter for receiving a lower end of the heat sink 31 and with an outer diameter similar to or equal to the middle board 35th
• Both larger boards 35, 37 may have electronic components for driving the LEDs 32.
• the lower one Board 37 also carries a terminal block 38 on its underside for not shown electric lines.
• the boards 33, 35, 37 are on the one hand via radially directed screw connections in Area of the small boards 33 connected to the heat sink 31 and the other over the spacers 36 associated angle pieces 39, which between the two larger Blanks 35, 37 connected to the heat sink, in particular screwed.
• the central large board 35 carries two sensors 40, with which of the LEDs 32nd outgoing stray light can be measured. Output signals of the sensors 40 are processed in electronic circuits, not shown, and for controlling the operation evaluated the lantern.
• the intensity of the LEDs decreases with age and increasing temperature. In order to keep a certain minimum light intensity, there is a regulation of the recording power of the LEDs in response to the output of the sensors 40. Nach Reaching an upper limit of power consumption, the lantern is turned off. The Increasing the recording power can in individual cases, the failure of a single LED compensate.
• the backup system can be powered by additional LEDs be formed within the lantern (not shown) or as an external reserve by a additional lantern 41, see Figs. 9 and 10. Such superimposed (and each other connected) lanterns are shown in German Utility Model 201 14 306.2, there with flash bulbs.
• the sensors 40 each have a main scanning direction which is parallel to the Longitudinal axis 11 extends and the Stilabstrahlebene 25 at a distance from the LEDs 32nd crosses.
• the light intensity detected by the sensors 40 is also dependent on incoming extraneous light.
• the extraneous light is briefly detected and off the scattered light out. This is possible in particular by an invisible short-term shutdown of the LEDs, for example, for about 10 milliseconds. This short one Period of time is not visible to the eye. During this time, the extraneous light is detected and set a zero line for the stray light of the LEDs.
• the scattered light measurement can be continuous or at intervals, for example just after each momentarily switching off the LEDs. Switching off for detection of extraneous light For example, every minute takes place regularly.
• the heat sink 31 is made of good heat conducting metal, in particular as solid or hollow rod having transverse end surfaces 42 provided at both ends, 43.
• the end surfaces 42, 43 are on the lid 12 and bottom 14 and allow so a transfer of heat to the lid and bottom.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
• Non-Portable Lighting Devices Or Systems Thereof (AREA)
• Circuit Arrangement For Electric Light Sources In General (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=32520052

Family Applications (1)

Country Status (3)

Cited By (12)

Families Citing this family (3)

Citations (4)

• 2003
  • 2003-01-20 DE DE10302231A patent/DE10302231A1/de not_active Withdrawn
  • 2003-04-03 AT AT03007635T patent/ATE354513T1/de not_active IP Right Cessation
  • 2003-04-03 DE DE50306576T patent/DE50306576D1/de not_active Expired - Fee Related
  • 2003-04-03 EP EP03007635A patent/EP1439120B1/fr not_active Expired - Lifetime

Patent Citations (4)

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