EP2929233B1 - Portable hand lamp - Google Patents

Portable hand lamp Download PDF

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Publication number
EP2929233B1
EP2929233B1 EP13799211.1A EP13799211A EP2929233B1 EP 2929233 B1 EP2929233 B1 EP 2929233B1 EP 13799211 A EP13799211 A EP 13799211A EP 2929233 B1 EP2929233 B1 EP 2929233B1
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EP
European Patent Office
Prior art keywords
hand lamp
light
portable hand
light source
lamp according
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Application number
EP13799211.1A
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German (de)
French (fr)
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EP2929233A1 (en
Inventor
Christian GERBIG
Johannes Frücht
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Eaton Intelligent Power Ltd
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Eaton Intelligent Power Ltd
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Publication of EP2929233A1 publication Critical patent/EP2929233A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F21L4/022—Pocket lamps
    • F21L4/027—Pocket lamps the light sources being a LED
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/04—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
    • 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 portable hand lamp with a lamp housing and a handle arranged on the lamp housing.
  • a lamp with the features of the preamble of claim 1 is the U.S. 2007/0159008 A1 removable.
  • This publication discloses a portable hand lamp with a light outlet formed at the top end and a light outlet at the side. A specific radiation pattern is generated by the lateral light emission, for which purpose the individual light sources are aligned differently with a directly assigned lens.
  • the hand lamp according to the invention includes the features of claim 1.
  • this housing has two light exit openings, each of which is assigned a light source and a lens device inside the housing.
  • Each light source is at least an LED (Light Emitting Diode).
  • the light sources can be arranged together on a printed circuit board for electrical supply and control.
  • the printed circuit board is arranged on a heat sink.
  • a heat sink can have cooling fins or the like.
  • the printed circuit board and heat sink are connected to a lens holder for holding the lens device.
  • the connection can be made in that, for example, the heat sink is formed integrally with the lens holder and only the printed circuit board has to be arranged accordingly on the heat sink. It is also conceivable to screw the heat sink and lens holder, for example, together, with the printed circuit board being arranged on the heat sink. Other ways of connecting the circuit board and heat sink to the lens holder are also possible.
  • the lens device can be designed in different ways. In order to simplify focusing for search light and working light, the lens device has two lenses each assigned to one of the light exit openings. That is, one lens with an associated LED allows for the search light and the other lens with an associated LED for the work light.
  • the lenses are arranged at different distances from the respective light source and are held by the lens holder.
  • the arrangement does not have to be static, but can be variable to change the focus if necessary.
  • the lens holder can be arranged in a detachable manner in the interior of the housing. Such a detachable arrangement can take place, for example, by screwing the lens holder into the housing or by other fastening measures.
  • the lens holder with lenses, heat sink and printed circuit board is configured as a replacement module. That is, the entire replacement module can be easily inserted into the hand lamp and, if necessary, exchanged. Furthermore, the corresponding replacement module can be assembled from individual parts, see the above explanations and in particular the printed circuit board, heat sink and lens holder as well as lenses held by the lens holder as individual parts.
  • thermally conductive device such as thermally conductive foil, thermal paste or the like can be arranged between them.
  • a distance between the lens and the associated light source can be fixed in order to possibly do without an additional focussing of search light or working light. This can apply to both search light and work light or just one of these lights. That is, with such a fixed distance, focusing is not necessary, but the lens is arranged in such a way that, for example, the corresponding light source is already arranged in the focal point of the lens.
  • the hand lamp which emits a signal, for example, if the battery capacity is insufficient.
  • the hand-held lamp can then be recharged using a suitable charger.
  • at least one of the light sources of search light or work light can be used as a battery capacity indicator light.
  • the user of the hand lamp can then carry out a corresponding charging process.
  • the flashing mode can include a continuous flashing or just a short flashing. If the light flashes briefly, the search light or work light, which otherwise works in continuous operation, is only interrupted for a short time.
  • this is designed for the electrical supply and also for controlling the corresponding light sources.
  • a control can include monitoring of the hand lamp, so that a self-test can be carried out, for example, in particular after the hand lamp has been switched on.
  • the light intensity can be reduced automatically in order to extend the operating time of the hand lamp, which is possible, for example, if a user of the hand lamp has become accustomed to reduced ambient brightness after a certain period of time through adaptation of his eyes.
  • the lamp housing can be formed from an upper lamp head housing part on a lower battery housing part, which are connected to one another in particular so that they can be pivoted. That is, with such a pivotability, the lamp head part could be pivoted relative to the battery housing part without the battery housing part participating in the pivoting movement.
  • This can be realized by a pivot axis between the two housing parts or by a cardanic connection between them.
  • FIG. 1 shows a perspective side view of an embodiment of a portable hand lamp 1 according to the invention.
  • This has a lamp housing 2 which is composed of an upper lamp head housing part 19 and a lower battery housing part 20 .
  • a pivot bearing 21 is arranged between the two housing parts 19, 20, which enables the two housing parts to be pivoted relative to one another.
  • a corresponding number of batteries and in particular rechargeable batteries are arranged in the lower battery housing part 20 . Recharging can be done using a charger.
  • a handle 3 is arranged on the lamp housing part 19 and enables the hand lamp 1 to be carried by a user. Furthermore, a switch 22 is arranged in the area of the handle 3, which enables the portable hand lamp 1 to be switched on and off in a simple manner.
  • Two light exit openings 4 and 5 are arranged on a light exit side of the lamp head housing part 19 .
  • the light exit opening 4 enables search light, for example, and the light exit opening 5 allows working light.
  • Switching between work light and search light can take place via the switch 22, which has, for example, two switch-on positions, one of which is a search light position and the other a work light position.
  • figure 2 is a longitudinal section through the portable hand lamp 1 after figure 1 shown.
  • a number of rechargeable batteries can be seen in the lower battery housing part 20 of the lamp housing 2, see reference number 24. This is via the pivot bearing 21 Battery housing part 20 pivotally connected to the upper lamp head housing part 19. In its interior, see housing interior 9, two light sources 6, 7 are arranged, which are each formed by an LED 10, 11. The two LEDs are arranged together on a printed circuit board 12 at a distance from one another. This is used for the electrical supply and control not only of the LEDs, but also of other parts and possible uses of the portable hand lamp 1.
  • the printed circuit board 12 is arranged on a heat sink 13, with a thermally conductive device 18 in the form of, for example, a thermally conductive foil or thermally conductive paste being able to be arranged between these.
  • Circuit board and heat sink have essentially the same dimensions.
  • a spacer 23 can be arranged, which is ring-shaped and holds a lens device 8 in the form of two lenses 15 and 16 at its end pointing away from the circuit board.
  • the two lenses 15, 16 are arranged at different distances from the respective light source 6, 7.
  • the combination of lens 15 with LED 10 as a light source 6 is used to provide a search light and the combination of lens 16 with LED 11 as a further light source 7 is used to provide a working light.
  • a lens holder 14 is used to fasten the spacer 23 and thus also the printed circuit board 12 or heat sink 13 inside the housing interior 9. This can be screwed inside the lamp housing 2, for example with a screw ring 25.
  • a distance between the corresponding lens 15 or 16 and the associated light source 6 or 7 is predetermined by the corresponding spacer 23 . Manual focusing is not necessary.
  • Light sources 6, 7, lens device 8, printed circuit board 12, and heat sink 13 can be combined in a replacement module 17 so that this can be handled and replaced overall.
  • the lens holder 14 can be a further part of the replacement module. That is, the entire replacement module can be inserted inside the hand lamp 1 by means of the lens holder 14 and can be arranged there in a corresponding position.
  • the system automatically switches to the other light source. That is, if the search light and thus the light source 6 fail, for example, the work light and light source 7 are switched over.
  • At least one light source is also possible for at least one light source to be used as a battery capacity indicator lamp. That is, if, for example, the battery capacity of the batteries 24 drops below a predetermined target value, one of the light sources can be switched over to a flashing mode.
  • the flashing frequency can be related to the remaining battery capacity, so that if the battery capacity decreases further, for example, the flashing will be faster.
  • This flashing can also take place when using the hand lamp, in which case it is advantageous if the flashing only takes place over a certain period of time and not as continuous flashing.
  • the printed circuit board and the electronics arranged on it there is also the possibility of carrying out a self-test, in particular after the hand-held lamp has been switched on.
  • This can include, for example, the battery capacity, the functionality of the light sources and also checks of other parts of the hand lamp.
  • the corresponding light exit openings 4 and 5 can be closed by a transparent pane, for example to protect lenses or other parts of the portable hand lamp inside the housing from impact or dirt.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Endoscopes (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Description

Die Erfindung betrifft eine tragbare Handleuchte mit einem Leuchtengehäuse und einem am Leuchtengehäuse angeordneten Handgriff.The invention relates to a portable hand lamp with a lamp housing and a handle arranged on the lamp housing.

Eine Leuchte mit den Merkmalen des Oberbegriffs des Patentanspruchs 1 ist der US 2007/0159008 A1 entnehmbar. In dieser Druckschrift wird eine tragbare Handleuchte mit einem am oberen Ende gebildeten Lichtaustritt und einem seitlichen Lichtaustritt offenbart. Durch den seitlichen Lichtaustritt wird ein bestimmtes Strahlungsmuster erzeugt, wozu die einzelnen Lichtquellen mit direkt zugeordneter Linse unterschiedlich ausgerichtet sind. Die erfindungsgemäße Handleuchte beinhaltet die Merkmale des Patentanspruchs 1.A lamp with the features of the preamble of claim 1 is the U.S. 2007/0159008 A1 removable. This publication discloses a portable hand lamp with a light outlet formed at the top end and a light outlet at the side. A specific radiation pattern is generated by the lateral light emission, for which purpose the individual light sources are aligned differently with a directly assigned lens. The hand lamp according to the invention includes the features of claim 1.

Um in einfacher Weise sowohl ein Suchlicht als auch ein Arbeitslicht mittels der Handleuchte zu realisieren, weist dieses Gehäuse zwei Lichtaustrittsöffnungen auf, denen jeweils eine Lichtquelle und eine Linseneinrichtung im Gehäuseinneren zugeordnet ist. Die jeweilige Lichtquelle ist zumindest eine LED (lichtemittierende Diode). Die Lichtquellen können gemeinsam auf einer Leiterkarte zur elektrischen Versorgung und Steuerung angeordnet sein.In order to easily implement both a search light and a work light using the hand lamp, this housing has two light exit openings, each of which is assigned a light source and a lens device inside the housing. Each light source is at least an LED (Light Emitting Diode). The light sources can be arranged together on a printed circuit board for electrical supply and control.

Dadurch ergibt sich eine kompakte Handleuchte mit der Realisierung von Suchlicht und Arbeitslicht in einer Handleuchte, wobei Suchlicht und Arbeitslicht jeweils eine separate Lichtaustrittsöffnung und eine separate Lichtquelle verwenden.This results in a compact hand lamp with the realization of search light and work light in one hand lamp, with search light and work light each using a separate light exit opening and a separate light source.

Durch die Verwendung nur einer Leiterkarte wird insgesamt der Aufbau der Handleuchte vereinfacht, wobei diese eine Leiterkarte zur elektrischen Versorgung und Steuerung beider Lichtquellen vorgesehen ist.The use of only one printed circuit board simplifies the construction of the hand lamp overall, with this one printed circuit board being provided for the electrical supply and control of both light sources.

Um in diesem Zusammenhang in einfacher Weise die Lichtquellen und auch die Leiterkarte ausreichend kühlen zu können, ist die Leiterkarte auf einem Kühlkörper angeordnet. Ein solcher Kühlkörper kann Kühllamellen oder dergleichen aufweisen.In order to be able to cool the light sources and also the printed circuit board sufficiently in this context, the printed circuit board is arranged on a heat sink. Such a heat sink can have cooling fins or the like.

Um die Anordnung von Leiterkarte und Kühlkörper innerhalb des Gehäuseinneren zu vereinfachen, sind Leiterkarte und Kühlkörper mit einem Linsenhalter zur Halterung der Linseneinrichtung verbunden. Die Verbindung kann dadurch erfolgen, dass bspw. der Kühlkörper integral mit dem Linsenhalter ausgebildet ist, und nur die Leiterkarte entsprechend auf dem Kühlkörper anzuordnen ist. Ebenfalls denkbar ist ein Verschrauben von bspw. Kühlkörper und Linsenhalter, wobei die Leiterkarte auf dem Kühlkörper angeordnet ist. Andere Möglichkeiten zur Verbindung von Leiterkarte und Kühlkörper mit dem Linsenhalter sind ebenfalls möglich.In order to simplify the arrangement of the printed circuit board and heat sink inside the housing interior, the printed circuit board and heat sink are connected to a lens holder for holding the lens device. The connection can be made in that, for example, the heat sink is formed integrally with the lens holder and only the printed circuit board has to be arranged accordingly on the heat sink. It is also conceivable to screw the heat sink and lens holder, for example, together, with the printed circuit board being arranged on the heat sink. Other ways of connecting the circuit board and heat sink to the lens holder are also possible.

Die Linseneinrichtung kann in unterschiedlicher Weise ausgebildet sein. Um eine Fokussierung für Suchlicht und Arbeitslicht zu vereinfachen, weist die Linseneinrichtung zwei jeweils einer der Lichtaustrittsöffnungen zugeordnete Linsen auf. D. h., die eine Linse mit zugeordneter LED ermöglicht das Suchlicht und die andere Linse mit zugeordneter LED das Arbeitslicht.The lens device can be designed in different ways. In order to simplify focusing for search light and working light, the lens device has two lenses each assigned to one of the light exit openings. That is, one lens with an associated LED allows for the search light and the other lens with an associated LED for the work light.

In diesem Zusammenhang besteht die Möglichkeit, dass die Linsen in unterschiedlichen Entfernungen zur jeweiligen Lichtquelle angeordnet und vom Linsenhalter gehalten sind. Die Anordnung muss nicht statisch sein, sondern kann ggf. zur Änderung der Fokussierung variabel sein. Um den Linsenhalter in einfacher Weise im Gehäuseinneren anordnen zu können, kann der Linsenhalter im Gehäuseinnern lösbar angeordnet sein. Eine solche lösbare Anordnung kann bspw. durch Einschrauben des Linsenhalters in das Gehäuse oder durch andere Befestigungsmaßnahmen erfolgen.In this context, there is the possibility that the lenses are arranged at different distances from the respective light source and are held by the lens holder. The arrangement does not have to be static, but can be variable to change the focus if necessary. In order to be able to arrange the lens holder in the interior of the housing in a simple manner, the lens holder can be arranged in a detachable manner in the interior of the housing. Such a detachable arrangement can take place, for example, by screwing the lens holder into the housing or by other fastening measures.

Dabei ist es insbesondere als vorteilhaft anzusehen, wenn ggf. der Linsenhalter mit Linsen, Kühlkörper und Leiterkarte als Austauschmodul ausgebildet ist. D. h., das gesamte Austauschmodul ist sowohl einfach in die Handleuchte einsetzbar als auch ggf. austauschbar. Weiterhin ist das entsprechende Austauschmodul aus Einzelteilen zusammensetzbar, s. die obigen Ausführungen und insbesondere Leiterkarte, Kühlkörper und Linsenhalter sowie vom Linsenhalter gehaltene Linsen als Einzelteile.It is particularly advantageous if the lens holder with lenses, heat sink and printed circuit board is configured as a replacement module. That is, the entire replacement module can be easily inserted into the hand lamp and, if necessary, exchanged. Furthermore, the corresponding replacement module can be assembled from individual parts, see the above explanations and in particular the printed circuit board, heat sink and lens holder as well as lenses held by the lens holder as individual parts.

Um eine entsprechende Wärmeübertragung zwischen Leiterkarte und Kühlkörper zu verbessern, kann eine Wärmeleiteinrichtung wie Wärmeleitfolie, Wärmepaste oder dergleichen zwischen diesen angeordnet sein.In order to improve a corresponding heat transfer between the printed circuit board and the heat sink, a thermally conductive device such as thermally conductive foil, thermal paste or the like can be arranged between them.

Um ggf. auf eine zusätzliche Fokussierung von Suchlicht bzw. Arbeitslicht zu verzichten, kann ein Abstand zwischen Linse und zugehöriger Lichtquelle fest vorgegeben sein. Diese kann für sowohl Suchlicht als auch Arbeitslicht oder auch nur für eins dieser Lichter gelten. D. h., bei einem solchen festen Abstand ist eine Fokussierung nicht notwendig, sonder die Linse ist jeweils so angeordnet, dass bspw. die entsprechende Lichtquelle bereits im Brennpunkt der Linse angeordnet ist.A distance between the lens and the associated light source can be fixed in order to possibly do without an additional focussing of search light or working light. This can apply to both search light and work light or just one of these lights. That is, with such a fixed distance, focusing is not necessary, but the lens is arranged in such a way that, for example, the corresponding light source is already arranged in the focal point of the lens.

Bei Einsatz der Handleuchte könnte eine Lichtquelle ausfallen. Um in diesem Zusammenhang zu verhindern, dass weiterhin eine ausreichende Beleuchtung möglich ist, ist es vorgesehen dass bei Ausfall einer Lichtquelle auf die andere Lichtquelle automatisch umschaltbar ist.When using the hand lamp, a light source could fail. In order to prevent sufficient lighting from being possible in this context, provision is made for automatic switching to the other light source if one light source fails.

Es besteht die Möglichkeit, eine zusätzliche optische oder akustische Anzeigeeinrichtung an der Handleuchte vorzusehen, die bspw. bei unzureichender Batteriekapazität ein Signal abgibt. In Reaktion auf ein solches Signal kann dann ein Wiederaufladen der Handleuchte über ein entsprechendes Ladegerät erfolgen. Es besteht ebenfalls die Möglichkeit, dass zumindest eine der Lichtquellen von Suchlicht oder Arbeitslicht als Batteriekapazitätsanzeigeleuchte einsetzbar ist. In diesem Zusammenhang kann es insbesondere als vorteilhaft angesehen werden, wenn zumindest eine Lichtquelle bei einer Batteriekapazität unter einem vorgegebenen Sollwert in einen Blinkmodus umschaltbar ist. D. h., auch bei direktem Einsatz der Handleuchte erfolgt ein Hinweis auf eine Batteriekapazität in einem kritischen Bereich, in dem bspw. Suchlicht bzw. Arbeitslicht im Blinkmodus arbeiten. Daraufhin kann der Benutzer der Handleuchte einen entsprechenden Ladevorgang durchführen. Der Blinkmodus kann ein Dauerblinken oder auch nur ein kurzzeitiges Blinken umfassen. Bei einem kurzzeitigen Blinken erfolgt entsprechend nur eine kurzzeitige Unterbrechung des Suchlichtes bzw. Arbeitslichtes, das ansonsten im Dauerbetrieb arbeitet.It is possible to provide an additional optical or acoustic indicator device on the hand lamp, which emits a signal, for example, if the battery capacity is insufficient. In response to such a signal, the hand-held lamp can then be recharged using a suitable charger. There is also the possibility that at least one of the light sources of search light or work light can be used as a battery capacity indicator light. In this context, it can be considered particularly advantageous if at least one light source can be switched over to a flashing mode when the battery capacity is below a predetermined setpoint value. This means that even when the hand lamp is used directly, there is an indication of a battery capacity in a critical area in which, for example, the search light or work light work in flashing mode. The user of the hand lamp can then carry out a corresponding charging process. The flashing mode can include a continuous flashing or just a short flashing. If the light flashes briefly, the search light or work light, which otherwise works in continuous operation, is only interrupted for a short time.

Hinsichtlich der Leiterkarte wurde bereits ausgesagt, dass diese zur elektrischen Versorgung und auch Steuerung der entsprechenden Lichtquellen ausgebildet ist. Eine solche Steuerung kann eine Überwachung der Handleuchte umfassen, sodass bspw. insbesondere nach einem Einschalten der Handleuchte ein Selbsttest durchführbar ist. Es besteht ebenfalls die Möglichkeit, da zur Verlängerung der Einsatzzeit der Handleuchte eine automatische Reduzierung der Lichtintensität erfolgt, was bspw. dann möglich ist, wenn ein Benutzer der Handleuchte sich nach einer gewissen Zeit durch Adaption seiner Augen an eine verminderte Umgebungshelligkeit gewöhnt hat.With regard to the printed circuit board, it has already been stated that this is designed for the electrical supply and also for controlling the corresponding light sources. Such a control can include monitoring of the hand lamp, so that a self-test can be carried out, for example, in particular after the hand lamp has been switched on. It is also possible for the light intensity to be reduced automatically in order to extend the operating time of the hand lamp, which is possible, for example, if a user of the hand lamp has become accustomed to reduced ambient brightness after a certain period of time through adaptation of his eyes.

Um die Handleuchte besser handhaben zu können und ggf. in einfacher Weise nach oben und unten ohne Gewichtsbelastung durch Batterien oder dergleichen verschwenken zu können, kann das Leuchtengehäuse aus einem oberen Leuchtenkopfgehäuseteil an einen unteren Batteriegehäuseteil gebildet sein, welche insbesondere verschwenkbar miteinander verbunden sind. D. h., bei einer solchen Verschwenkbarkeit könnte das Leuchtenkopfteil relativ zum Batteriegehäuseteil verschwenkt werden, ohne dass das Batteriegehäuseteil die Schwenkbewegung mitmacht. Dies kann durch eine Schwenkachse zwischen den beiden Gehäuseteilen oder auch durch eine kardanische Verbindung zwischen diesen realisiert werden.In order to be able to handle the hand lamp better and, if necessary, to be able to pivot it up and down in a simple manner without weight being applied by batteries or the like, the lamp housing can be formed from an upper lamp head housing part on a lower battery housing part, which are connected to one another in particular so that they can be pivoted. That is, with such a pivotability, the lamp head part could be pivoted relative to the battery housing part without the battery housing part participating in the pivoting movement. This can be realized by a pivot axis between the two housing parts or by a cardanic connection between them.

Im Folgenden wird ein vorteilhaftes Ausführungsbeispiel der Erfindung anhand einer der in der Zeichnung beigefügten Figuren näher beschrieben.An advantageous exemplary embodiment of the invention is described in more detail below with reference to one of the figures attached to the drawing.

Es zeigen:

Fig. 1
eine perspektivische Ansicht einer erfindungsgemäßen tragbaren Handleuchte von einer Seite her und
Fig. 2
einen Längsschnitt durch die Handleuchte nach Fig. 1.
Show it:
1
a perspective view of a portable hand lamp according to the invention from one side and
2
a longitudinal section through the hand lamp 1 .

Figur 1 zeigt in der perspektivischen Seitenansicht ein Ausführungsbeispiel einer tragbaren Handleuchte 1 gemäß Erfindung. Diese weist ein Leuchtengehäuse 2 auf, das sich aus einem oberen Leuchtenkopfgehäuseteil 19 und einem unteren Batteriegehäuseteil 20 zusammensetzt. Zwischen den beiden Gehäuseteilen 19, 20 ist ein Schwenklager 21 angeordnet, das ein Verschwenken beider Gehäuseteile relativ zueinander ermöglicht. figure 1 shows a perspective side view of an embodiment of a portable hand lamp 1 according to the invention. This has a lamp housing 2 which is composed of an upper lamp head housing part 19 and a lower battery housing part 20 . A pivot bearing 21 is arranged between the two housing parts 19, 20, which enables the two housing parts to be pivoted relative to one another.

Im unteren Batteriegehäuseteil 20 ist eine entsprechende Anzahl von Batterien und insbesondere wiederaufladbaren Batterien angeordnet. Ein Wiederaufladen kann mittels eines Ladegeräts erfolgen.A corresponding number of batteries and in particular rechargeable batteries are arranged in the lower battery housing part 20 . Recharging can be done using a charger.

Am Leuchtengehäuseteil 19 ist ein Handgriff 3 angeordnet, der ein Tragen der Handleuchte 1 durch einen Benutzer ermöglicht. Weiterhin ist im Bereich des Handgriffs 3 ein Schalter 22 angeordnet, der ein Ein- und Ausschalten der tragbaren Handleuchte 1 in einfacher Weise ermöglicht.A handle 3 is arranged on the lamp housing part 19 and enables the hand lamp 1 to be carried by a user. Furthermore, a switch 22 is arranged in the area of the handle 3, which enables the portable hand lamp 1 to be switched on and off in a simple manner.

Auf einer Lichtaustrittsseite des Leuchtenkopfgehäuseteils 19 sind zwei Lichtaustrittsöffnungen 4 bzw. 5 angeordnet. Die Lichtaustrittsöffnung 4 ermöglicht bspw. Suchlicht und die Lichtaustrittsöffnung 5 Arbeitslicht.Two light exit openings 4 and 5 are arranged on a light exit side of the lamp head housing part 19 . The light exit opening 4 enables search light, for example, and the light exit opening 5 allows working light.

Ein Umschalten zwischen Arbeitslicht und Suchlicht kann über den Schalter 22 erfolgen, wobei dieser bspw. zwei Einschaltstellungen aufweist, von denen, die eine eine Suchlichtstellen und die andere eine Arbeitslichtstellung ist.Switching between work light and search light can take place via the switch 22, which has, for example, two switch-on positions, one of which is a search light position and the other a work light position.

In Figur 2 ist ein Längsschnitt durch die tragbare Handleuchte 1 nach Figur 1 dargestellt.In figure 2 is a longitudinal section through the portable hand lamp 1 after figure 1 shown.

Im unteren Batteriegehäuseteil 20 des Leuchtengehäuses 2 ist eine Anzahl von wiederaufladbaren Batterien erkennbar, s. Bezugszeichen 24. Über das Schwenklager 21 ist das Batteriegehäuseteil 20 mit dem oberen Leuchtenkopfgehäuseteil 19 verschwenkbar verbunden. In dessem Inneren, s. Gehäuseinneres 9, sind zwei Lichtquellen 6, 7 angeordnet, die jeweils durch eine LED 10, 11 gebildet sind. Die beiden LEDs sind beabstandet voneinander gemeinsam auf einer Leiterkarte 12 angeordnet. Diese dient zur elektrischen Versorgung und Steuerung nicht nur der LEDs, sondern auch anderer Teile und Einsatzmöglichkeiten der tragbaren Handleuchte 1.A number of rechargeable batteries can be seen in the lower battery housing part 20 of the lamp housing 2, see reference number 24. This is via the pivot bearing 21 Battery housing part 20 pivotally connected to the upper lamp head housing part 19. In its interior, see housing interior 9, two light sources 6, 7 are arranged, which are each formed by an LED 10, 11. The two LEDs are arranged together on a printed circuit board 12 at a distance from one another. This is used for the electrical supply and control not only of the LEDs, but also of other parts and possible uses of the portable hand lamp 1.

Die Leiterkarte 12 ist auf einem Kühlkörper 13 angeordnet, wobei zwischen diesen eine Wärmeleiteinrichtung 18 in Form bspw. einer Wärmeleitfolie oder Wärmeleitpaste angeordnet sein kann. Leiterkarte und Kühlkörper weisen im Wesentlichen gleiche Abmessungen auf. Auf der Leiterkarte kann auf der den Lichtaustrittsöffnung 4, 5 zuweisenden Seite ein Abstandshalter 23 angeordnet sein, der ringförmig ausgebildet ist und an seinem von der Leiterkarte fortweisenden Ende eine Linseneinrichtung 8 in Form zweier Linsen 15 und 16 hält. Die beiden Linsen 15, 16 sind in einem unterschiedlichen Abstand zur jeweiligen Lichtquelle 6, 7 angeordnet. Die Kombination aus Linse 15 mit LED 10 als Lichtquelle 6 dient zur Bereitstellung eines Suchtlichtes und die Kombination aus Linse 16 mit LED 11 als weitere Lichtquelle 7 zur Bereitstellung eines Arbeitslichtes.The printed circuit board 12 is arranged on a heat sink 13, with a thermally conductive device 18 in the form of, for example, a thermally conductive foil or thermally conductive paste being able to be arranged between these. Circuit board and heat sink have essentially the same dimensions. On the circuit board, on the side facing the light exit openings 4, 5, a spacer 23 can be arranged, which is ring-shaped and holds a lens device 8 in the form of two lenses 15 and 16 at its end pointing away from the circuit board. The two lenses 15, 16 are arranged at different distances from the respective light source 6, 7. The combination of lens 15 with LED 10 as a light source 6 is used to provide a search light and the combination of lens 16 with LED 11 as a further light source 7 is used to provide a working light.

Zur Befestigung von Abstandshalter 23 und damit auch Leiterkarte 12 bzw. Kühlkörper 13 innerhalb des Gehäuseinneren 9 dient ein Linsenhalter 14. Dieser ist innerhalb des Leuchtengehäuses 2 bspw. mit einem Verschraubungsring 25 verschraubbar.A lens holder 14 is used to fasten the spacer 23 and thus also the printed circuit board 12 or heat sink 13 inside the housing interior 9. This can be screwed inside the lamp housing 2, for example with a screw ring 25.

Durch den entsprechenden Abstandshalter 23 ist ein Abstand zwischen der entsprechenden Linse 15 bzw. 16 und zugeordneter Lichtquelle 6 bzw. 7 vorgegeben. Eine manuelle Fokussierung ist nicht notwendig.A distance between the corresponding lens 15 or 16 and the associated light source 6 or 7 is predetermined by the corresponding spacer 23 . Manual focusing is not necessary.

Lichtquellen 6, 7, Linseneinrichtung 8, Leiterkarte 12, und Kühlkörper 13 können in einem Austauschmodul 17 zusammengefasst sein, sodass dieses insgesamt handhabbar und austauschbar sind. Weiterer Teil des Austauschmoduls kann der Linsenhalter 14 sein. D. h., das gesamte Austauschmodul ist mittels des Linsenhalters 14 innerhalb der Handleuchte 1 einsetzbar und dort in entsprechender Position anordbar.Light sources 6, 7, lens device 8, printed circuit board 12, and heat sink 13 can be combined in a replacement module 17 so that this can be handled and replaced overall. The lens holder 14 can be a further part of the replacement module. That is, the entire replacement module can be inserted inside the hand lamp 1 by means of the lens holder 14 and can be arranged there in a corresponding position.

Fällt eine der Lichtquellen 6, 7 aus, während sie gerade im Einsatz ist, wird automatisch auf die andere Lichtquelle umgeschaltet. D. h., bei Ausfall bspw. des Suchlichtes und damit der Lichtquelle 6, wird auf Arbeitslicht und auf Lichtquelle 7 umgeschaltet.If one of the light sources 6, 7 fails while it is being used, the system automatically switches to the other light source. That is, if the search light and thus the light source 6 fail, for example, the work light and light source 7 are switched over.

Dies kann über die Leiterkarte und deren entsprechende elektronische Einrichtungen erfolgen.This can be done via the circuit board and its corresponding electronic devices.

Bei der erfindungsgemäßen Handleuchte 1 ist ebenfalls möglich, dass zumindest eine Lichtquelle als Batteriekapazitätsanzeigeleuchte einsetzbar ist. D. h., falls bspw. die Batteriekapazität der Batterien 24 unter einen vorgegebenen Sollwert sinkt, kann eine der Lichtquellen in einen Blinkmodus umschaltbar sein. Die Blinkfrequenz kann in Relation zur verbleibenden Batteriekapazität stehen, sodass bei weiterer Abnahme der Batteriekapazität bspw. ein schnelleres Blinken erfolgt. Dieses Blinken kann auch bei Einsatz der Handleuchte erfolgen, wobei in diesem Zusammenhang von Vorteil ist, wenn das Blinken nur über einen bestimmten Zeitraum und nicht als Dauerblinken erfolgt.In the case of the hand lamp 1 according to the invention, it is also possible for at least one light source to be used as a battery capacity indicator lamp. That is, if, for example, the battery capacity of the batteries 24 drops below a predetermined target value, one of the light sources can be switched over to a flashing mode. The flashing frequency can be related to the remaining battery capacity, so that if the battery capacity decreases further, for example, the flashing will be faster. This flashing can also take place when using the hand lamp, in which case it is advantageous if the flashing only takes place over a certain period of time and not as continuous flashing.

Mittels der Leiterkarte und der darauf angeordneten Elektronik besteht weiterhin die Möglichkeit, insbesondere nach Einschalten der Handleuchte einen Selbsttest durchzuführen. Dieser kann bspw. die Batteriekapazität, die Funktionsfähigkeit der Lichtquellen und auch Überprüfungen weiterer Teile der Handleuchte umfassen.By means of the printed circuit board and the electronics arranged on it, there is also the possibility of carrying out a self-test, in particular after the hand-held lamp has been switched on. This can include, for example, the battery capacity, the functionality of the light sources and also checks of other parts of the hand lamp.

Es ist denkbar, dass bei der tragbaren Handleuchte gemäß Erfindung auch mehrere LEDs für jede der Lichtquellen 6, 7 einsetzbar sind. Dies gilt ebenfalls für nur eine Lichtquelle. Weiterhin ist denkbar, dass zumindest vor Einsetzen des entsprechenden Austauschmoduls 17 die Fokussierung der jeweiligen Lichtquelle durch Abstandsveränderung der zugeordneten Linse verändert wird. Weiterhin ist zu beachten, dass die entsprechenden Lichtaustrittsöffnungen 4 und 5 durch eine transparente Scheibe geschlossen sein können, um bspw. Linsen oder andere Teile der tragbaren Handleuchte im Gehäuseinneren vor Stößen oder Verschmutzung zu schützen.It is conceivable that several LEDs can also be used for each of the light sources 6, 7 in the case of the portable hand lamp according to the invention. This also applies to only one light source. Furthermore, it is conceivable that at least before inserting the corresponding replacement module 17, the focusing of the respective light source is changed by changing the distance of the associated lens. It should also be noted that the corresponding light exit openings 4 and 5 can be closed by a transparent pane, for example to protect lenses or other parts of the portable hand lamp inside the housing from impact or dirt.

Claims (13)

  1. Portable hand lamp (1) comprising a lamp housing (2) and a handle (3) arranged on the lamp housing, two light outlet openings (4, 5) being formed in the lamp housing (2) on a light outlet side to which in each case at least one light source (6, 7) and in each case one lens (15, 16) are assigned for light focusing in the housing interior (9), wherein the respective light source (6, 7) is at least one LED (light-emitting diode) (10, 11) and wherein one lens and the associated light source are designed to provide searching light and the other lens with associated light source to provide working light, characterized in that:
    if a light source fails (6, 7), an automatic switch-over to the other light source (7, 6) is possible.
  2. Portable hand lamp according to Claim 1, characterized in that the light sources (6, 7) are arranged together on a printed circuit board (12) for electrical supply and control.
  3. Portable hand lamp according to Claim 2, characterized in that the printed circuit board (12) is arranged on a heat sink (13).
  4. Portable hand lamp according to Claim 3, characterized in that circuit board (12) and heat sink (13) are connected to a lens holder (14) for holding the lens unit (8).
  5. Portable hand lamp according to Claim 4, characterized in that the lenses (15, 16) are held at different distances from the respective light source (6, 7) and from the lens holder (14).
  6. Portable hand lamp according to either of preceding Claims 4 and 5, characterized in that the lens holder (14) is detachably arranged in the housing interior (9).
  7. Portable hand lamp according to any one of the preceding Claims 4 to 6, characterized in that the lens holder (14) is designed with lenses (15, 16), heat sink (13) and printed circuit board (12) as a replaceable module (17).
  8. Portable hand lamp according to any one of the preceding Claims 3 to 7, characterized in that a heat-conducting device (18) is arranged between printed circuit board (12) and heat sink (13).
  9. Portable hand lamp according to any one of the preceding claims, characterized in that the distance between lens (15, 16) and associated light source (6, 7) is fixed.
  10. Portable hand lamp according to any one of the preceding claims, characterized in that at least one light source (6, 7) can be used as a battery capacity indicator light.
  11. Portable hand lamp according to any one of the preceding claims, characterized in that, in the case of a battery capacity below a prespecified set value, at least one light source (6, 7) can be switched into a flashing mode.
  12. Portable hand lamp according to any one of the preceding claims, characterized in that, in particular after switching on the hand lamp (1), a self-test can be carried out.
  13. Portable hand lamp according to any one of the preceding claims, characterized in that the lamp housing (2) consists of an upper lamphead housing part (19) and a lower battery housing part (20), which in particular are pivotably connected to one another.
EP13799211.1A 2012-12-06 2013-11-28 Portable hand lamp Active EP2929233B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012023935.1A DE102012023935A1 (en) 2012-12-06 2012-12-06 Portable hand lamp
PCT/EP2013/003603 WO2014086467A1 (en) 2012-12-06 2013-11-28 Portable hand lamp

Publications (2)

Publication Number Publication Date
EP2929233A1 EP2929233A1 (en) 2015-10-14
EP2929233B1 true EP2929233B1 (en) 2022-09-28

Family

ID=49709619

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Application Number Title Priority Date Filing Date
EP13799211.1A Active EP2929233B1 (en) 2012-12-06 2013-11-28 Portable hand lamp

Country Status (7)

Country Link
EP (1) EP2929233B1 (en)
CN (1) CN104956143B (en)
BR (1) BR112015012961A2 (en)
DE (1) DE102012023935A1 (en)
RU (1) RU2609568C2 (en)
SA (1) SA515360524B1 (en)
WO (1) WO2014086467A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442322A (en) * 2018-10-24 2019-03-08 宁波天瑞电器有限公司 A kind of portable multi-purpose searchlight

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU12453U1 (en) * 1999-06-21 2000-01-10 Открытое акционерное общество "Научно-исследовательский институт "Зенит" MINERAL INDIVIDUAL LIGHT
HK1069071A2 (en) * 2004-10-16 2005-05-06 John Mfg Ltd Rechargeable halogen searchligh with led & fluorescent light.
WO2007071110A1 (en) * 2005-12-21 2007-06-28 Sekit Yuen A hand optoelectronic searchlight
US7402961B2 (en) * 2006-01-10 2008-07-22 Bayco Products, Ltd. Circuit for illuminating multiple light emitting devices
US7845827B2 (en) * 2007-05-08 2010-12-07 The Coleman Company, Inc. LED spotlight
CN201897085U (en) * 2010-07-19 2011-07-13 东莞盛时五金塑胶制品有限公司 Head lamp

Also Published As

Publication number Publication date
WO2014086467A1 (en) 2014-06-12
DE102012023935A1 (en) 2014-06-26
BR112015012961A2 (en) 2017-07-11
CN104956143B (en) 2019-09-17
RU2609568C2 (en) 2017-02-02
CN104956143A (en) 2015-09-30
RU2015123795A (en) 2017-01-11
SA515360524B1 (en) 2020-09-30
EP2929233A1 (en) 2015-10-14

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