Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S8/00—Lighting devices intended for fixed installation
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
  • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
• • 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
  • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
  • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
  • F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
• • 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
  • 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 lamp, in particular a lamp, in particular for a signal lamp, with a base and a lamp body arranged thereon, according to the preamble of claim 1.
• the invention further relates to a signal lamp with a housing with light exit sections and at least one lamp arranged therein, according to the Preamble of claim 14.
• illuminants have a base and a glass bulb arranged thereon, in which, for example, a tungsten wire is energized in an inert gas atmosphere and, by means of corresponding thermal effects, electromagnetic waves in the visible spectral range, i.e. Light emits.
• a tungsten wire is energized in an inert gas atmosphere and, by means of corresponding thermal effects, electromagnetic waves in the visible spectral range, i.e. Light emits.
• such lamps are expensive, complex and polluting to manufacture and have an unsatisfactory short life. Furthermore, they have poor efficiency.
• gas discharge lamps with corresponding bases have been proposed as an improvement.
• these require a high starting voltage and a corresponding control signal in order to maintain the light-generating gas discharge.
• Phosphors are also required since the electromagnetic waves generated directly by the gas discharge are generally not in the visible spectral range.
• lamps of this type require a glass bulb in which the gas discharge takes place, and control electronics contained in the bases, which requires a correspondingly large installation space. Furthermore, the lamp takes a long time until the gas discharge reaches a full nominal light intensity.
• a multi-chamber signal light which consists of a housing which is open towards the front and an inserted circuit board and light sources arranged thereon, as well as an optical arrangement set by the light sources and a light disk which closes the housing towards the front, light-emitting diodes are used, which have been equipped with condenser lenses, which are each arranged in front of the surfaces emitting the light.
• DE-U-93 13 403 describes a luminaire, in particular for use in optical signaling devices, which consists of a housing which extends from a standardized screw base in a conical central part, rotationally symmetrically to the base axis, in which the housing axis extends perpendicularly to the base axis the field of light-emitting diodes or circuit board carrying light-emitting diode chips is arranged, and in which the housing on the visible side is closed in a translucent manner by means of a diffusing screen.
• an optical warning or display device with light-emitting diodes which consists of a circular or polygonal base plate, the edge and center of which is equipped with light-emitting diodes of different colors and in which a common cast resin body envelops the light-emitting diodes, so that it forms the base plate and a threaded insert for attaching the device.
• the light emitting diodes are arranged on the edge of a circular or polygonal plate and surrounded by a protective cap.
• DE-U-297 12 229 describes a lighting fixture for light signal systems, which consists of a large number of light-emitting diodes which are electrical Cables are electrically conductively connected to the standard connection adapter via a rectifier arranged in the lamp housing and a transformer.
• the light-emitting diodes are arranged on a flat or convexly curved end face of the lamp housing in a uniform distribution, the cavities located between them and the housing wall being filled with a heat-resistant synthetic resin.
• the lamp housing can have a completely different shape, for example an elliptical shape, a pear shape, a cone shape or a truncated cone shape, which can also be in the form of a multiple, circular cylindrical shape.
• the light source is formed by at least one light-emitting diode, which is electrically connected with one connection to the peripheral surface and with the other connection to a central contact of a cylindrical lamp base, the lamp base in one in the lamp body trained lamp holder with a bayonet mount is interchangeably fixed.
• DE-A-34 30 540 describes a luminaire insert which consists of a housing, a light plate being arranged in the housing, on which light parts are arranged on one side and two electric conductors being connected on the other side, the light plate, the lighting parts and the electrical conductors are completely encapsulated in an insulating resin in the housing.
• This object is achieved by a lamp of the above type with the features characterized in claim 1 and by a signal lamp of the above type with the features characterized in claim 14.
• the luminous body comprises a circuit board with at least one light-emitting diode arranged thereon.
• the base is a standard base, in particular for a bulb holder, for example of the type BA9s, BA15d, E14, E27.
• circuit board has an electronic circuit, in particular at least one integrated circuit and / or at least one SMD component, for driving the light-emitting diodes.
• This also advantageously simplifies conventional signal lamps, since they themselves have no control electronics or only one very trivial, such as on / off switches, which makes them inexpensive to manufacture.
• the light-emitting diode is expediently a white or colorless and / or colored LED.
• An all-round lighting effect is achieved in that several light-emitting diodes are arranged on the circuit board in such a way that they emit electromagnetic waves in the visible spectral range in at least four different directions with respect to the circuit board. This simulates in a particularly advantageous manner a lamp with a glass bulb that emits all around.
• the radiation directions are expediently perpendicular to one another.
• a high or desired luminosity per direction of radiation is advantageously achieved in that at least two light-emitting diodes are provided for each direction of radiation.
• a simple and reliable contact between the circuit board and the base is achieved in that the circuit board is T-shaped with a foot and a crossbeam, the foot extending into the base over a predetermined distance.
• circuit board is a standard circuit board, for example of the FR4 type.
• the at least one light-emitting diode is advantageously arranged standing and / or lying on the circuit board.
• the at least one light-emitting diode expediently has an operating voltage or an operating voltage range in the voltage range from 6 V to 230 V, in particular 12 V or 24 V.
• the base has a bayonet or screw lock for connection to a corresponding lamp holder.
• the housing comprises at least two detachably interconnected module bodies
• a signal lamp which can be individually adapted to a wide variety of operating conditions and application requirements is available by a corresponding combination of module bodies.
• a functional design of the signal light is not defined, but can be changed at any time during use, by the releasable connection, and thus adapted to changing ambient conditions.
• the signal light according to the invention can be used in a wide variety of ways and for a wide variety of uses. usable and adaptable for a wide variety of operating conditions and purposes.
• the signal lamp is expediently a multi-stage signal lamp with luminous radiation in different colors, in particular white, red, yellow and / or green, at least one lamp being assigned to each stage.
• the green level often has to be designed for continuous operation, at least the illuminant assigned to the green level is expediently designed in accordance with the present invention, since light-emitting diodes have a long service life with low energy consumption.
• a cost-effective use of particularly durable, colorless, i.e. white light-emitting diodes is possible in that the light exit section of each individual stage is equipped with correspondingly colored filters, for example glasses.
• FIG. 2 is a view in the direction of arrow II of FIG. 1,
• Fig. 3 is a perspective view Fig. 4 shows another embodiment of the signal lamp.
• the preferred embodiment of a lamp 100 shown in FIGS. 1 to 3 comprises a base 110 and a lamp body 112.
• the lamp body 112 comprises a T-shaped printed circuit board 114 with a base 116 and a crossbar 118 on which a plurality of light-emitting diodes (LED) 120 partially standing, partially lying.
• LED light-emitting diodes
• the LEDs 120 are connected via printed conductors, not shown, on the printed circuit board 114 to a control and power supply electronics 122, which is arranged on the base 116 of the printed circuit board 114.
• the foot 116 extends into the base 110 so that the control and power supply electronics 122 are located inside the base 110 and are therefore protected.
• the control and power supply electronics 122 are electrically connected to the base via conductor tracks 124 in such a way that when connected to a socket (not shown), for example in a signal lamp, the base provides an electrical power supply, for example with a voltage in the range from 6 V to 230 V, especially 12 V or 24 V, produces. This voltage is converted accordingly by the control and power supply electronics 122 into a suitable supply voltage for the light emitting diodes 120.
• control and power supply electronics 122 additionally generate voltage pulses which lead to corresponding pulsed light radiation from the light-emitting diodes, for example to the implementation of a flashing light.
• the light emitting diodes 120 are arranged such that their main beam direction with respect to the printed circuit board 112 points in four different, mutually perpendicular directions, two light emitting diodes 120 being provided for each direction. This advantageously achieves an all-round lighting characteristic or all-round light effect. As indicated by dashed lines in FIG. 1, three or more light-emitting diodes 120 can also be provided per direction of radiation, depending on the desired light intensity.
• FIG. 2 illustrates the arrangement of the LEDs 120 on both sides on the printed circuit board 112.
• the printed circuit board 112 is designed, for example, as a standard printed circuit board, in particular of the FR4 type or the like.
• the base 110 is designed as a conventional standard base, for example of the type BA9s, BA15d, E14, E27 etc.
• the base 112 is advantageously filled with potting 126 .
• FIG. 4 shows an advantageous embodiment of a signal lamp 200 which is equipped with at least one lamp.
• the signal lamp 200 is composed of a plurality of module-like segments 210, 212, 214 and 216, the modules 210, 212, 214 and 216 advantageously being releasably connected to one another and at least one lamp being assigned to each module.
• at least one of these lamps is designed in accordance with the present invention. 10
• Each module has a light exit section 218, 220, 222 and 224, which is either designed to be clear for visible light or with a color filter.
• the corresponding illuminant is equipped with colored diodes. If the respective light exit section 218, 220, 222 and 224 is designed with a color filter, the corresponding illuminant is equipped with colorless or white-emitting diodes. The latter has the particular advantage that white LEDs have a longer service life and higher light intensity.
• modules 210, 212, 214 and 216 emit the colors green, yellow, white and red in this order when the illuminant is activated. However, depending on the application, any other combination of colors is possible.
• LED Light emitting diodes
• Light exit section 222 Light exit section 224

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Fastening Of Light Sources Or Lamp Holders (AREA)
• Non-Portable Lighting Devices Or Systems Thereof (AREA)
• Led Device Packages (AREA)
• Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
• Position Fixing By Use Of Radio Waves (AREA)
• Radio Relay Systems (AREA)
• Mobile Radio Communication Systems (AREA)
• Liquid Crystal (AREA)
• Optical Head (AREA)
• Optical Communication System (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=8055611

Family Applications (1)

Country Status (6)

Families Citing this family (11)

Family Cites Families (18)

• 1998
  • 1998-04-15 DE DE29806589U patent/DE29806589U1/de not_active Expired - Lifetime
• 1999
  • 1999-03-02 EP EP99913209A patent/EP1071905B1/fr not_active Expired - Lifetime
  • 1999-03-02 WO PCT/EP1999/001336 patent/WO1999053234A1/fr active IP Right Grant
  • 1999-03-02 ES ES99913209T patent/ES2211060T3/es not_active Expired - Lifetime
  • 1999-03-02 AT AT99913209T patent/ATE257568T1/de not_active IP Right Cessation
  • 1999-03-02 DE DE59908256T patent/DE59908256D1/de not_active Expired - Fee Related
  • 1999-03-02 AU AU31429/99A patent/AU3142999A/en not_active Abandoned

Non-Patent Citations (1)

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