EP3315849B1 - Beleuchtungsvorrichtung - Google Patents

Beleuchtungsvorrichtung Download PDF

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Publication number
EP3315849B1
EP3315849B1 EP16196198.2A EP16196198A EP3315849B1 EP 3315849 B1 EP3315849 B1 EP 3315849B1 EP 16196198 A EP16196198 A EP 16196198A EP 3315849 B1 EP3315849 B1 EP 3315849B1
Authority
EP
European Patent Office
Prior art keywords
housing
lighting device
interconnecting means
interconnecting
circuit board
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.)
Active
Application number
EP16196198.2A
Other languages
English (en)
French (fr)
Other versions
EP3315849A1 (de
Inventor
Paul Dalby
Graeme Jones
John Kears
Stephen PARKES
Ian Wilson
John Richardson
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.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
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 Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Priority to EP16196198.2A priority Critical patent/EP3315849B1/de
Priority to GB1706154.0A priority patent/GB2572313B/en
Priority to GB2113562.9A priority patent/GB2596469B/en
Priority to CN201780062875.6A priority patent/CN109804197B/zh
Priority to CN202111331584.7A priority patent/CN114034006A/zh
Priority to EP17771778.2A priority patent/EP3532769B1/de
Priority to PCT/EP2017/074484 priority patent/WO2018077560A1/en
Priority to US16/340,710 priority patent/US10775008B2/en
Publication of EP3315849A1 publication Critical patent/EP3315849A1/de
Application granted granted Critical
Publication of EP3315849B1 publication Critical patent/EP3315849B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/022—Emergency lighting devices
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F21V21/041—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates
    • F21V21/042—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall
    • F21V21/044—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues
    • F21V21/046—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues being tensioned by rotation of parts
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 

Definitions

  • the invention is in the field of luminaires and in particular in the field of emergency lighting devices.
  • a lighting device housing arrangement in particular for an emergency lighting device using an external power supply and including additional internal energy storage and particularly suited for arranging in confined spaces, for example for mounting in detached ceilings, is proposed.
  • Lighting devices in the form of recessed luminaires for example for mounting in false (detached) ceilings are widely used.
  • Applications for such recessed luminaires are emergency lighting devices (luminaires) which are designed for continuing operation under circumstances of mains supply failure, in case of a mains failure or of a general failure of the driving voltage, the lighting means of an emergency lighting device are intended to emit at least a basic light, in order to enable a person to orient in a lighted area in a building, and to ensure that the person can safely leave the building.
  • power supply for driving the light emitting means typically including one or more light emitting diodes (LED) of an emergency lighting device is performed by emergency power supply in form of a battery or rechargeable battery.
  • LED light emitting diodes
  • the battery for an emergency lighting device can be part of dedicated emergency converter or of a normal converter for driving the lighting means.
  • the converter uses either an externally supplied power supply voltage (standard operating mode) or a voltage provided by the emergency power supply means (emergency operating mode) to generate an operating voltage for the light emitting means.
  • standard operating mode an externally supplied power supply voltage
  • emergency power supply means emergency power supply means
  • the capability of operating in an emergency operating mode does however require further elements such as a battery, charging circuitry for charging the battery to be provided at the emergency lighting device.
  • a battery, charging circuitry for charging the battery to be provided at the emergency lighting device.
  • the space requirements for arranging and for mounting the recessed luminary increase accordingly.
  • Patent application publication US 2006/0072306 A1 discloses a spotlight system that is adaptable for use with preferably one or more power sources in order to provide lighting were needed.
  • the spotlight system has a spotlight assembly comprising a lamp housing which includes at least one bulb, a switch, and an enclosure.
  • the spotlight system may be operated utilizing DC power with or without the rechargeable battery.
  • the rechargeable battery can be recharged utilizing DC power or AC power while still connected to the lamp housing. When the lamp housing is operated without the battery, then the lamp housing is extremely light for handheld operation with a preferably high power beam.
  • DE 100 44 695 A1 discloses a remotely operated light controller whose physical layout is specifically designed for mounting the remotely operated light controller behind wall panels.
  • the remotely operated light controller circuitry is grouped into functional units and each functional unit is arranged encapsulated in a small, preferably flat cylindrical housing.
  • the functional units in the housing are linked via cables into a chain and thus can be inserted one by one into the limited space available between the solid wall and the wall panels usually mounted on a laths arrangement to the solid wall via a hole in the wall panel.
  • One functional unit after the other is inserted and then lowered by their own weight hanging on the flexible cables linking the functional units.
  • the hole is subsequently closed by a lid or by mounting a luminary controlled by the remotely operated light controller.
  • US 2009/0.244.880 discloses a lighting device.
  • the remotely operated lighting controller provides a solution for the confined spaces behind wall panels, but requires extensive cabling efforts, assembling of plugs to cables and relies on gravitational force during wall mounting.
  • the handling of the plurality of flexibly connected parts is cumbersome.
  • the invention addresses the technical problem of improving the known lighting devices for use in a confined space while reducing manufacturing and mounting complexity so that overload installation is easily possible.
  • a lighting device comprising a first housing, a lighting means arranged at the first housing, an electronic circuitry accommodated in the first housing for operating the lighting means and a second housing accommodating an energy storage means, wherein the first housing and the second housing are arranged spaced apart using an interconnecting means connecting the first housing and the second housing pivotally and connecting the electronic circuitry and the energy storage means electrically.
  • the interconnecting means connects the first housing and the second housing elastically and simultaneously connects the electronic circuitry and the energy storage means electrically.
  • the lighting device is characterized in that the interconnecting means comprises a first straight portion, a second straight portion and pre-bended portion between the first straight portion and the second straight portion.
  • the electronic circuitry is arranged in the first housing and the energy storage means, for example a battery or accumulator, in the second housing. Due to the first housing and the second housing being separate housings and being arranged spaced apart, thermal heat emitted by the lossy electronic circuitry, for example including driving means for the lighting means, a charging means for charging the energy storage means and a mains interface means for interfacing a mains supply, does not adversely effect the energy storage means which usually is sensitive to heat.
  • the interconnecting means is adapted to integrally provide elastic mechanical connection between the first and second housing and simultaneously an electrical connection between charging means and electrical storage means.
  • a single element provides electric as well as mechanic functions for the emergency lighting device, thereby reducing number of structural elements with advantageous effects for manufacturing and assembly.
  • the elasticity of the interconnection means is chosen such that the combination of the first housing and the second housing can be handled as one device.
  • the second housing accommodating the accumulator can easily be introduced into a recess of a detached ceiling by manipulating the first housing only. After being inserted the elasticity allows that the relative position of the first and second housing with respect to each other changes. This allows to use small gaps between the solid ceiling and the detached ceiling.
  • the emergency lighting device includes the interconnecting means comprising a first straight portion, a second straight portion and a pre-bended portion between the first straight portion and the second straight portion.
  • the bended portion ensures a middle axis of the first housing to correspond to a middle axis of the second housing (in particular in case of basically cylindrical shape of the housings) when the second housing has a slightly smaller width (diameter) than the first housing.
  • the interconnecting means is adapted to provide pivotal (swivelling) mechanical connection between the first and second housing and an electrical connection between charging means and electrical storage means.
  • the pivot axis is in particular essentially perpendicular to a common centreline of the first housing and the second housing when the first and second housing are brought in an aligned position.
  • the common centre line of the first and second housing typically corresponds to a main insertion direction of the lighting device into a mounting opening in a detached ceiling or wall panels.
  • the pivotal (rotatable, swivelling) mechanical connection between the first housing and the second housing improves or even enables access to small spaces for the inventive lighting device even only accessible via a pushing insertion movement, whereas the known lighting devices provide only limited or even no capability to transmit compressive forces between modules of the lighting device.
  • the interconnecting means is formed as a hinge is formed as a hinge adapted to rotatably connect the first housing and the second housing.
  • the hinge provides at least one axis of rotation, particularly one axis of rotation around which the first housing and the second housing can be bent or folded relative to each other.
  • the hinge is made from rigid material and the interconnecting means is designed to accommodate the electrical connection.
  • the hinge may be formed with a groove for example in which a cable is inserted.
  • the lighting device includes the interconnecting means comprising a cable which is over-moulded to provide compressive strength in an axial direction of the cable which at the same time providing elasticity in a traverse direction.
  • the interconnecting means is adapted to mechanically connect first and second housings and is itself elastic.
  • the interconnecting means being elastic means that it is suited to transmit compressive force contrary to a flexible cable of prior art which only transmits tensile force. Hence, the mounting of the lighting means into the space behind a detached ceiling through a small opening in the detached ceiling is easier to perform than in case of the known separate functional units only linked via flexible cables.
  • the interconnection means being advantageously formed via encapsulating an electric connecting cable, for example injection moulding, extrusion coating, or else, provides an interconnection means combining elasticity with the necessary electrical connectivity at comparative manufacturing costs in particular as standard cables can be used.
  • the lighting device is accordingly well adapted to being manufactured in large numbers.
  • the emergency lighting device has the interconnecting means showing a cross section with a first width (thickness) in the first direction being smaller than a second width in a second direction orthogonal to the first direction. Both dimensions are small compared to the longitudinal extension of the connecting means.
  • Designing the cross section in this manner for example with an approximately rectangular cross section, ensures a bending of the interconnection means in a preferential direction, the preferential direction given by the direction with the smaller width of the cross section.
  • the emergency lighting device includes at least one of the first housing and the second housing providing guiding means adapted to a preferred bending direction for the interconnecting means when the interconnecting means is bended.
  • the guiding means ensures that neither the second housing interferes with a power supply cable when mounted into a small space, nor that the distance between the first housing and the second housing becomes to small.
  • the guiding means can also be suitably formed in order to maintain a prescribed minimum bending radius for the electrical cable in the interconnecting means.
  • the emergency lighting device is characterized in that the interconnecting means includes a first connector for electrically connecting the interconnecting means to a printed circuit board arranged in the first housing.
  • the emergency lighting device arranges the electronic circuitry on the printed circuit board and on at least one further electric circuit board, and the printed circuit board and the at least one further electric circuit board are connected by a flexible cable.
  • the first printed circuit board and the second printed circuit board being arranged in the first housing include the electronic circuitry for interfacing the mains supply, the circuitry for a charging means for charging the energy storage means and circuitry for a driving means driving the lighting means, for example an LED converter.
  • circuit boards in the first housing ensure a best possible use of the limited available space in the first housing and accordingly the electronic circuitry is arranged separately from the second housing encapsulating the energy storage means, while the first and second housing are detachably electrically connected.
  • An advantageous embodiment of the emergency lighting device includes the lighting means adapted to detachably connect via a connector to at least one of the printed circuit board and the at least one further printed circuit board.
  • the lighting means being detachable provides the advantage of easily adapting the lighting device from spotlight to emergency light or to escape route pointing by simply exchanging the lighting means as an entire module with a module which incorporates the desired light emitting characteristic by having appropriate optics arranged in a light path.
  • the electronic circuitry arranged in the first housing and the energy storage means arranged in the second housing can remain unchanged when adapting the light emitting characteristic by exchanging the lighting means, for example an LED module including the optics.
  • the emergency lighting device shows the interconnecting means comprising a second connector, for electrically connecting the interconnecting means to the energy storage means.
  • the energy storage means can therefore be replaced easily when reaching an end of its life expectation or when the energy storage capacity needs to be adapted to changing requirements for the emergency lighting device.
  • a charging means for charging the energy storage means and forming part of the electronic circuitry is adapted to detect a type of the energy storage means.
  • the exchange of the energy storage means is further facilitated when the electronic circuitry is adapted to recognize the type of electronic storage means being electrically connected and adapts its characteristics, for example a charging current accordingly without requiring additional amendments to the electronic circuitry.
  • a further preferred emergency lighting device has the second housing including a first end portion opposite to a second end portion arranged towards the first housing, the first end portion being formed to achieve a preferred bending direction of the interconnecting means.
  • the emergency lighting device has the interconnecting means including locking means adapted to cooperate with corresponding engaging means on the housing side for securing the interconnecting means of the second housing for example.
  • the interconnecting means is fixedly attached to the first housing and detachably attached to the second housing.
  • an emergency lighting device 1 as an example is discussed.
  • the invention is, nevertheless not restricted to an emergency lighting device 1, but may be applied to any lighting device including an energy storage means.
  • Figure 1 shows a perspective view of an assembled emergency lighting device 1 of a preferred embodiment.
  • the emergency lighting device 1 comprises a first housing 2 and a second housing 3 which are detachably connected to each other by an interconnecting means 4.
  • the interconnecting means 4 connects the first housing 2 and the second housing 3 in spaced apart manner, so that between the first housing 2 and the second housing 3 are predetermined distance is ensured.
  • the interconnecting means 4 is essentially a cable including two or more electrically conducting connecting lines in an isolating mantle and being further encapsulated by overmolding.
  • the interconnnecting means 4 incorporates a strain relief which is encapsulated by the first housing 2 when being assembled.
  • the interconnecting means 4 of the preferred embodiment also comprises a click-in strain relief for engaging the second housing 3 in order to prevent the interconnecting means 4 being pulled out when the emergency lighting means 1 is removed from a mounting opening in a detached ceiling 32.
  • the interconnecting means 4 includes a first straight portion 5, a pre-bended portion 7 and a second straight portion 6, the first straight portion 5 arranged towards the first housing 2 and including a first connector for interfacing the electronic circuitry arranged in the first housing 2.
  • the pre-bended portion 7 is between the first straight portion 5 and the second straight portion 6 and produces an offset of the first and second straight portion.
  • the second straight portion 6 is arranged towards the second housing 3.
  • the second straight portion 7 includes a second connector preferably of a standardized type, for example a mini-USB-connector or a micro-USB-connector for interfacing an energy storage means 13 accommodated in the second housing.
  • the pre-bended portion 7 includes a first bended portion bending from an axis of the first straight portion 5 to a first direction with a predetermined angle, and a second bended portion bending with the predetermined angle to back to the axis of the first straight portion 5.
  • the axis of the first straight portion 5 is parallel to a second axis of the second straight portion 6.
  • the second housing 3 which has a smaller width than the first housing 2 is arranged along a central axis of the first housing 2 in a normal, unbent position of the elastic interconnecting means 4.
  • At least the second straight portion 6 of the interconnecting means 4 can include locking means in order to engage the interconnecting means 4 with a corresponding locking means arranged at the side face of the second housing 3.
  • the interconnecting means 4 can also include a release mechanism for releasing the locking means in order to detach the interconnecting means 4 from the second housing 3.
  • the connection on the first housing side can be realized in the same way or un-detachably.
  • the second housing 3 also comprises guiding means 10 which guides the interconnecting means 4 into a preferred bending direction when during insertion of the emergency lighting device 1 into the limited space above a detached ceiling 32, a resistance is encountered.
  • guiding means 10 which guides the interconnecting means 4 into a preferred bending direction when during insertion of the emergency lighting device 1 into the limited space above a detached ceiling 32, a resistance is encountered.
  • the uppermost part of the second housing 3 with its upper first portion 9 reaches a ceiling 31 during inserting the emergency lighting device 1 through a mounting opening in the detached ceiling 32.
  • the upper side 9 can have a specific shape in order to further support bending the interconnecting means 4, for example comprising rounded edges or an inclined surface along a circumferential portion of the upper side 9.
  • the upper side 9 of the second housing thus can be suitably sloped in order to further support relative bending of the interconnecting means 4 into a predetermined direction.
  • a guiding means 10 situated at the second housing 3 forces the interconnection means 4 to bend in a direction away from the mains supply cable 21, when mounting the emergency lighting device 1 in a confined space and is discussed with reference to figure 5 .
  • FIG. 2 shows a perspective view of an assembled emergency lighting device 1 of a further embodiment.
  • the emergency lighting means 1 shown in figure 2 comprises the interconnecting means 4 to implement a pivotal mechanical connection between the first housing 2 and the second housing 3.
  • the interconnecting means 4 of figure 2 comprises rigid elements on both the first housing' side and the second housing's side. These elements are connected to each other for example by a shaft to form a hinge 45 with a single fixed axis of rotation.
  • the hinge 45 enables the first housing 2 and the second housing 3 to rotate relative to each other around fixed axis of rotation perpendicular to the image plane of figure 2 .
  • the rotation axis is perpendicular to respective center axis of the first housing 2 and the second housing 3.
  • the first and the second housing 2, 3 may thus be aligned with each other or bent relative to each other.
  • the same relative movement as in the first embodiment may be realized.
  • An electrical connection between the printed circuit board 39 in the first housing 2 and the energy storage means 13 in the second housing 3 may be established either by means of a rotary joint forming part of the hinge 45 or by means of flexible electrical cable not visible in figure 2 .
  • the electrical cable connecting the printed circuit board 39 in the first housing 2 and the energy storage means 13 in the second housing 3 is guided between a first hinge part and a second hinge part forming the hinge 45.
  • leaf portions of the first and second hinge protect the electrical cable which is arranged between the first hinge and the second hinge mechanically.
  • Figure 3 provides a perspective view of a partial sectional view of a preferred embodiment.
  • the interconnecting means 4 is of slightly different, straight shape.
  • the basic configuration of the interconnecting means 4 is of the same form, being essentially a cable including two or more electrically conducting connecting lines in an isolating mantle and being further encapsulated by over-moulding in order to achieve elasticity of the interconnecting means.
  • the elasticity preferably is chosen such that even in a horizontal orientation of the lighting device the interconnecting means does not bend because of the weight of the second housing accommodating the accumulator. Only when a mechanical resistance adds a bending force during mounting the lighting device, the interconnecting means will bend.
  • the interconnecting means 4 includes a first connector, for example a micro-USB connector, for connecting to the electronic circuitry in the first housing 2.
  • a strain relief is moulded in the interconnection means 4 and is captured by the housing enclosure of the first housing 2.
  • the interconnecting means 4 includes a further, second connector for connecting to the energy storage means 13, for example via micro-USB connector, at the end of the interconnecting means 4 facing the second housing 3 in an assembled state of the emergency lighting means 1.
  • FIG 3 a first printed circuit board 39 and a second printed circuit board 14 being arranged in parallel in the first housing 2 are shown.
  • the electronic circuitry for a charging means for interfacing the mains supply the circuitry for a charging means for charging the energy storage means and circuitry for a driving means driving the lighting means, for example an LED converter, are arranged.
  • the second electronic circuit board 14 further includes a connector plug 14 for receiving the first connector of the interconnecting means 4, the first connector of the interconnecting means 4 is however not shown in figure 3 .
  • the printed circuit board 39 can include means for mechanically and electrically interfacing the lighting means 12 discussed below with reference to figure 6 in more detail.
  • the energy storage means 13 can be a battery, a rechargeable battery or accumulator.
  • the energy storage means 13 may typically be a Li-ion or a NiMh battery.
  • the energy storage means 13 can also include more than one unit for storing electric energy, for example two batteries in order to fulfill the voltage and/or power requirements of the emergency lighting device 1 and its electronic circuitry.
  • the electronic circuitry in the second housing.
  • the basic configuration of the emergency lighting means 1 can comprise all essential elements to fulfill the role as an emergency light, additional capabilities such as a digital electronic lighting interface (DALITM) interface may be later added by exchanging the second housing 3 and possibly the interconnecting means 4 for adding electronic circuitry implementing those additional functions.
  • DALITM digital electronic lighting interface
  • the energy storage means 13 in the second housing can easily be replaced by another energy storage means 13 when the original energy storage means 13 reaches the end of its life expectation or when for a specific application of the emergency lighting device 1 another electric storage capacity is required.
  • the basic configuration of the emergency lighting device 1 needs only to take account of the space requirements for implementing the basic functions, whereas the space requirements needed for presumed later additional functions can be satisfied by replacing the second housing 3. This provides for a versatile lighting device 1 at small dimensions but also having great potential for upgrades.
  • FIG. 4 presents a partial sectional view of a preferred embodiment showing attachment details of the interconnecting means 4.
  • the interconnecting means 4 includes a first main portion 41.
  • the first main portion 41 is attached to the first housing 2 and to the second housing 3 with the respective ends of the first main portion 41.
  • the first main portion may be integrally formed with one of the two housings 2, 3.
  • the interconnecting means 4 comprises further a second extended portion 42, which extends perpendicular from the first main portion 41.
  • the second extended portion 42 interacts with a corresponding recess 43 of the second housing 3 to fix the interconnecting means 4 at the second housing 3 in addition to an attachment at an end 44 of the interconnecting means 4.
  • the attachment at the end 44 of the main portion 41 of the interconnecting means 4 can be implemented by an end face of the main portion 41 interacting with a corresponding undercut at the second housing 3, as is exemplarily shown in figure 4 .
  • the second extended portion 42 and the recess 43 of the second housing 3 together implement a "snap-in"- connection which can be released by exerting a compressive force in direction of the arrow in figure 4 on a part of the second extended portion 42 accessible through an opening in the second housing 3.
  • This snap-in connection depicted in figure 4 simultaneously acts like a fulcrum for the hinged interconnecting means 4.
  • the shown snap-in connection is only one of a plurality of possibilities to additionally fix the interconnecting means 4 to the second housing 3 at a further point of the interconnecting means 4 different from the end 44 of the interconnecting means 4 towards the interconnecting means 4.
  • an emergency lighting device 1 as a recessed luminaire is shown in a mounted position in a detached ceiling 32.
  • the detached ceiling 32 is arranged at a distance to and below a ceiling 31 shown as a concrete ceiling.
  • the distance between the detached ceiling 31 and the ceiling 31 is often small and may be even only some centimeters.
  • any suspending units for holding the detached ceiling 32 are omitted in figure 5 .
  • elements of the building infrastructure can be arranged.
  • a mains supply line 21 is shown.
  • the mains supply line 21 is a cable for connecting a luminaire to the mains supply of the building.
  • a usually circular opening is established in the detached ceiling 32.
  • the opening can be as small as having a diameter of about 40 mm.
  • the invention is of course not limited to such diameter.
  • the mains supply line 21 is drawn out of the opening and connected with an electrical clamp to terminals of the first housing 2 of the emergency lighting device 1.
  • the first housing 2 provides some sort of strain relief for fixing the outer cable sheath of the main supply line 21 at the first housing 21. The electrical connection of the emergency lighting device 1 is now accomplished.
  • the second housing 3 has a smaller width than the first housing 2 in order to enable the mains supply cable 21 to also being inserted back through the hole into the space between the detached ceiling 32 and the ceiling 31.
  • an entire height of the emergency lighting device 1 is greater than an available distance between the detached ceiling 32 and the ceiling 31. Accordingly, a first end portion of the emergency lighting device 1 on the second housing towards the ceiling 31 touches to the ceiling 31 during insertion. Due to the elasticity of the interconnecting means 4, the second housing 3 can elude to the right as the preferred bending direction when continuing to push the emergency lighting device 1 through the hole upwards.
  • the second house 3 is almost entirely angled to the right side, when the emergency lighting device 1 is fully inserted into the hole in the detached ceiling 32.
  • the lighting means (LED head) 12 of the emergency lighting device 1 having a larger bezel diameter than the hole diameter and the diameter of the first housing 2 will be almost level with the lower surface of the detached ceiling 32, whereas the vast portion of the body of the emergency lighting device 1 is positioned in the space between the detached ceiling 32 and the ceiling 31.
  • the bezel diameter of the emergency lighting device 1 is about 50 mm and thus covers a hole with a diameter of 40 mm in the detached ceiling 32 entirely.
  • Embodiments of the emergency lighting device 1 according to the invention allow insertion through holes of 40 mm diameter to void depths as small as 80 mm.
  • the advantageous spatial separation of the mains supply line 21 and the interconnecting means 4 including the connecting cable between the electronic circuitry arranged in the first housing 2 and the energy storage means 3 in the second housing is also evident.
  • coupling of undesired interference signals between the connection cable of the interconnecting device 4 and the mains supply line 21 is minimized, as those lines are clearly separated.
  • additional care has to be exercised to clearly separate the different cables when inserting different cables into the space beyond the detached ceiling, a task even more difficult when taking a small hole of about 40 mm into account.
  • Figure 5 also shows that the interconnecting means 4 secures a minimum spatial distance between the first housing 2 and the second housing even in the mounted position in the generally inaccessible space between the detached ceiling 32 and the ceiling 31.
  • the first housing 2 usually contains electronic circuitry, for example a converter circuit for driving LEDs and/or charging means for charging the energy storage means, which generates heat.
  • the second housing 3 contains the temperature sensitive energy storage means, for example a rechargeable battery which reacts with reduced efficiency to a temperature increase. Accordingly the interconnecting means 4 of the emergency lighting device 1 provides a further advantage over the flexible cabling between an energy storage means and electronic circuitry for driving an LED known from prior art.
  • FIG 6 in a partial view of an emergency lighting device 1 of a preferred embodiment, details of the attachment of a LED lighting means to the first housing 2 are shown.
  • a printed circuit board 36 mounting single LED 35 as light emitting element is shown.
  • a contacting element 34 can be seen mounted above a through hole in the printed circuit board 36.
  • the whole assembly of the printed circuit board 36, contacting element 34 and possibly further circuit elements on the printed circuit board 36 forms a LED head which is detachably connected to a printed circuit board 39 arranged in the first housing 2.
  • the printed circuit board 39 as shown in the upper left of figure 6 is one of the one or more printed circuit boards 14, 39 on which the electronic circuitry contained in the first housing 2 is shown.
  • the printed circuit board 39 also mounts a connector 38, for example a pluggable connector with solid connecting pins 37 extending beyond an edge of the printed circuit board 39.
  • the connecting pins 38 together with the through hole in the printed circuit board 36 and the contacting element 34 on the printed circuit board 36 of the LED module form a pluggable and compact connecting system for electrically connecting the LED head with the electronic circuitry of the emergency lighting device 1 arranged in the first housing 2.
  • the LED head is depicted being attached to the printed circuit board 39 in the first housing 2 in a view rotated by 90 degrees when compared to the right half of figure 6 .
  • the dashed line 12 in figure 6 indicates an external contour of the LED head.
  • the external contour 12 refers to a housing shielding the LED head and also including a lens assembly for guiding light emitted by the LED 35 for fulfilling the respective task of the emergency lighting device 1.
  • the lens assembly may be part of interchangeable optics which allow to employ the lighting device 1 as a an antipanic light (basic illumination over a given area), an escape route indicator (pointer implemented via directional light) or a spot light (focused beam towards the floor) without needing to change the driving means or the other peripheral circuitry belonging to the charging means or energy storage means.
  • the interchangeable optics may include a suitable lens to realize a required light scheme and can be supplied as an option to a user of the emergency lighting device 1.
  • FIG 6 in a partial view of an emergency lighting device 1 exemplary details of the attachment of a LED lighting means to the first housing 2 and the printed circuit board 39 arranged in the first housing 2 are shown.
  • the depicted electrical connection of an LED lighting means and the printed circuit board 39 by the solid connecting pins 37 of the connector 38 extending through the holes in the printed circuit board 36 of the LED module represents a possible solution for the electrical connection.
  • the electrical connection may be performed by a flexible cable with connectors for electrically linking the printed circuit board 39 with the printed circuit board 36 of the LED module.
  • the lighting device according to the invention provides significant advantages in view of the prior art. It is to be noted that the various features of the different embodiments discussed before for sake of clarity in a separate manner may be combined for the invention as defined by the attached claims.

Claims (12)

  1. Beleuchtungsvorrichtung, umfassend:
    ein erstes Gehäuse (2),
    ein Beleuchtungsmittel (12), das am ersten Gehäuse (2) angeordnet ist,
    eine elektronische Schaltungsanordnung, die im ersten Gehäuse (2) untergebracht ist, zum Betreiben des Beleuchtungsmittels (12),
    ein zweites Gehäuse (3), das ein Energiespeichermittel (13) beherbergt, wobei das erste Gehäuse (2) und das zweite Gehäuse (3) voneinander beabstandet sind durch
    ein Verbindungsmittel (4), welches das erste Gehäuse (2) und das zweite Gehäuse (3) gelenkig verbindet und die elektronische Schaltungsanordnung und das Energiespeichermittel (13) elektrisch verbindet,
    wobei
    das Verbindungsmittel (4) das erste Gehäuse (2) und das zweite Gehäuse (3) elastisch verbindet und gleichzeitig die elektronische Schaltungsanordnung und das Energiespeichermittel (13) elektrisch verbindet, wobei
    das Verbindungsmittel (4) einen ersten geraden Abschnitt (5), einen zweiten geraden Abschnitt (6) und einen vorab gebogenen Abschnitt (7) zwischen dem ersten geraden Abschnitt (5) und dem zweiten geraden Abschnitt (6) umfasst.
  2. Beleuchtungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass
    das Verbindungsmittel (4) ein Gelenk umfasst, das so ausgelegt ist, dass es das erste Gehäuse (2) und das zweite Gehäuse (3) gelenkig verbindet und vorzugsweise eine Drehachse bereitstellt.
  3. Beleuchtungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass
    das Verbindungsmittel (4) ein Kabel umfasst, das umspritzt ist, um Druckkraft in einer axialen Richtung des Kabels bereitzustellen.
  4. Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass
    das Verbindungsmittel (4) einen Querschnitt mit einer ersten Breite in der ersten Richtung aufweist, die kleiner als eine zweite Breite in einer zweiten Richtung orthogonal zur ersten Richtung ist.
  5. Beleuchtungsvorrichtung nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, dass
    mindestens eines des ersten Gehäuses (2) und des zweiten Gehäuses (3) Führungsmittel (10) umfasst, die für eine bevorzugte Biegerichtung für das Verbindungsmittel (4) ausgelegt sind, wenn das Verbindungsmittel (4) gebogen wird.
  6. Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass
    das Verbindungsmittel (4) einen ersten Verbinder zum elektrischen Verbinden des Verbindungsmittels (4) mit einer gedruckten Leiterplatte (14) umfasst, die im ersten Gehäuse (2) angeordnet ist.
  7. Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass
    die elektronische Schaltungsanordnung auf der gedruckten Leiterplatte (14) und mindestens einer weiteren gedruckten Leiterplatte (39) angeordnet ist, und
    die gedruckte Leiterplatte (14) und die mindestens eine weitere gedruckte Leiterplatte (39) durch ein flexibles Kabel verbunden sind.
  8. Beleuchtungsvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass
    das Beleuchtungsmittel (12) zu lösbarer Verbindung über einen Verbinder (34) mit mindestens einer der gedruckten Leiterplatte (14) und der mindestens einen weiteren gedruckten Leiterplatte (39) ausgelegt ist.
  9. Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass
    das Verbindungsmittel (4) einen zweiten Verbinder zum elektrischen Verbinden des Verbindungsmittels (4) mit dem Energiespeichermittel (13) umfasst.
  10. Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass
    die elektronische Schaltungsanordnung Lademittel zum Laden des Energiespeichermittels (13) umfasst, und
    das Lademittel zum Erkennen eines Typs des Energiespeichermittels (13) ausgelegt ist.
  11. Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass
    das zweite Gehäuse (3) einen ersten Endabschnitt (9) gegenüber einem zweiten Endabschnitt umfasst, wobei der zweite Endabschnitt näher zum ersten Gehäuse (2) angeordnet ist, und der erste Endabschnitt zum Erreichen einer bevorzugten Biegerichtung des Verbindungmittels (4) ausgebildet ist.
  12. Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass
    das Verbindungsmittel (4) Verriegelungsmittel umfasst, die zum Zusammenwirken mit entsprechenden Eingriffsmitteln des zweiten Gehäuses (3) zum Befestigen des Verbindungsmittels (4) am zweiten Gehäuse (3) ausgelegt sind.
EP16196198.2A 2016-10-28 2016-10-28 Beleuchtungsvorrichtung Active EP3315849B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP16196198.2A EP3315849B1 (de) 2016-10-28 2016-10-28 Beleuchtungsvorrichtung
GB2113562.9A GB2596469B (en) 2016-10-28 2017-04-13 Lighting device
GB1706154.0A GB2572313B (en) 2016-10-28 2017-04-13 Lighting device
CN202111331584.7A CN114034006A (zh) 2016-10-28 2017-09-27 照明设备
CN201780062875.6A CN109804197B (zh) 2016-10-28 2017-09-27 照明设备
EP17771778.2A EP3532769B1 (de) 2016-10-28 2017-09-27 Beleuchtungsvorrichtung
PCT/EP2017/074484 WO2018077560A1 (en) 2016-10-28 2017-09-27 Lighting device
US16/340,710 US10775008B2 (en) 2016-10-28 2017-09-27 Lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16196198.2A EP3315849B1 (de) 2016-10-28 2016-10-28 Beleuchtungsvorrichtung

Publications (2)

Publication Number Publication Date
EP3315849A1 EP3315849A1 (de) 2018-05-02
EP3315849B1 true EP3315849B1 (de) 2019-07-03

Family

ID=57240863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16196198.2A Active EP3315849B1 (de) 2016-10-28 2016-10-28 Beleuchtungsvorrichtung

Country Status (1)

Country Link
EP (1) EP3315849B1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10044695A1 (de) 2000-07-12 2002-01-31 Wilfried Poellet Ferngesteuerter Lichtregler
US6808289B2 (en) * 2001-07-20 2004-10-26 RPM Optoelectronics, LLC Method and apparatus for flexible led lamp
US7163312B2 (en) * 2004-10-05 2007-01-16 Woodyard Joe E Spotlight system and method
US8021007B2 (en) * 2008-03-28 2011-09-20 Thomas & Betts International, Inc. Concealed emergency lighting equipment with complete retrofit housing and method of installation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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