EP4026200A1 - Leuchte mit datenübertragungsfunktion - Google Patents
Leuchte mit datenübertragungsfunktionInfo
- Publication number
- EP4026200A1 EP4026200A1 EP20788751.4A EP20788751A EP4026200A1 EP 4026200 A1 EP4026200 A1 EP 4026200A1 EP 20788751 A EP20788751 A EP 20788751A EP 4026200 A1 EP4026200 A1 EP 4026200A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slot
- antenna
- lamp
- luminaire
- housing
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
-
- 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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/18—Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
-
- 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]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/16—Folded slot antennas
Definitions
- the invention relates to a lamp by means of which data or control signals can be transmitted wirelessly.
- control devices receive signals from sensors and send control signals to lights or other devices via cables or wireless transmission methods.
- WO 2012/089355 Ai discloses a safety or emergency lighting system in which a control device transmits radio signals to the safety lights directly or by means of repeaters for carrying out the prescribed regular functional tests.
- a lighting system in which ceiling lights are equipped with a radio network module in order to provide Internet access for WLAN-enabled devices is disclosed in DE 102011007 416 A1.
- Modern luminaires usually have operating devices / converters, which provide the power required for the illuminant or the operating voltage for the illuminant, monitor the function of the illuminant and enable dimming or changing of the light color.
- operating devices can be connected to a network for controlling several components of a lighting system, via which they receive commands and / or parameters for controlling or operating the lighting means and send status messages.
- the transmission of control signals and data is increasingly wireless, especially with WIFI or Bluetooth applications.
- the problem here is that the antenna required for data transmission is usually arranged on the operating device and it is not possible to integrate the operating device in a metallic housing of a lamp because of the shielding effect of the housing against radio signals.
- the invention is based on the object of creating a lamp which solves the problems described.
- the task is in particular to provide a lamp with which control signals and / or data can be transmitted between an operating device inside the lamp and a communication partner using a stable radio link.
- a lamp has at least one lamp, a metallic lamp housing and at least one operating device for the at least one lamp arranged inside the lamp housing, the operating device having an antenna for transmitting and / or receiving a radio signal, and in the lamp housing at least a slot antenna is formed by means of
- Radiation coupling is coupled via a waveguide or a cavity resonator with the antenna of the operating device for the transmission of the radio signal outside the lamp housing.
- the slot antenna has a length which corresponds to half the wavelength of the radiation used for radio transmission.
- the slot antenna enables radio transmission between an antenna located inside the luminaire with a metallic housing and a device located outside, remote from the luminaire, and can be easily integrated into the metallic luminaire housing and is inconspicuous or usually not recognizable as an antenna. This improves the degree of freedom in the design of the luminaire.
- signals for the control of the lamp or the operating device signals for the configuration of the lamp or the operating device and / or messages from the lamp or the operating device can be transmitted.
- the lamp can have a repeater function in which radio signals received inside the lamp are forwarded by means of the slot antenna and the operating device or another radio device and / or serve as a base station for WLAN-enabled devices and / or DECT telephones.
- the slot antenna and the antenna inside the luminaire are coupled via the air, with the electrical component of the electromagnetic field generated by the antenna impinging on the slot or the feed point at a right angle to the slot orientation.
- the electromagnetic field thus occurring on the slot stimulates the slot geometry to emit electromagnetic radiation with a corresponding frequency.
- the position and the alignment of the slot antenna and the antenna arranged inside the lamp are coordinated with one another.
- the slot antenna is coupled or fed by means of a waveguide, which leads from the antenna arranged inside the lamp to the slot antenna, or via the lamp housing, which forms a cavity resonator.
- the slot antenna may be a multi-slot slot group antenna in order to achieve a directivity of the antenna.
- the slot antenna can be arranged on any side of the luminaire housing, provided that the relative position of the slot antenna and the antenna of the operating device to one another must remain such that the slot antenna is in (or close to) the amplitude maximum of the antenna of the operating device. If the direction of illumination and the desired direction of radiation of the slot antenna are almost the same, the slot antenna can be arranged on the side of the lamp housing on which the at least one lamp is arranged.
- the lamp can have several lamps, the lamps and the slots being arranged alternately next to one another on the side of the lamp housing.
- the lighting means can be light-emitting diodes (LED) arranged in strips, with a slot of the slot antenna being arranged between two LED strips. In this way, the slot antenna can be integrated very inconspicuously and enable improved air movement / cooling in the area of the LEDs.
- the luminaire can have a transparent cover which covers the slot antenna and the at least one illuminant. This means that no additional cover is required for the slot antenna in order to achieve a high IP protection class (protection against accidental contact, protection against dust and water).
- the slot length of the slot antenna can correspond to half or a multiple of half the wavelength of the radio signal.
- the operating device can have a housing on which the antenna for transmitting and receiving the radio signal is arranged.
- At least one slot antenna which is coupled to the antenna of the operating device by means of the radiation coupling, the waveguide or the cavity resonator, can be arranged on at least two different sides of the luminaire housing.
- the lamp can have several of the operating devices and several of the slot antennas, each antenna being coupled to another slot antenna by means of the radiation coupling, the waveguide or the cavity resonator.
- the slot of the slot antenna can be open or at least partially closed or filled with a dielectric filling material, the dielectric material being arranged in the slot and / or the slot on at least one side of the slot of the slot antenna (inside and / or outside of the luminaire housing) covers.
- the closing of the opening of the slot antenna with a dielectric enables the fulfillment of high requirements with regard to the dust and splash water protection of the luminaire.
- the slot of the slot antenna does not have to have a rectangular shape (including rounded bars). This allows the slot antenna to be easily integrated, even in small luminaires and luminaires with round, oval or non-straight shapes.
- the slot of the slot antenna can run in its main direction of extent at least partially parallel to an edge of the lamp, wherein the edge can be, for example, an edge of the lamp housing or an edge of a translucent cover of the lamp.
- the slot can be at least part of a symbol attached to the lamp, such as a logo, a number or a letter or, through its shape, can represent at least part of the drawing.
- FIG. 1 shows a first embodiment of a lamp according to the present invention
- Fig. 2 is a side view of the lamp shown in Fig. 1,
- Fig. 4 shows a second embodiment of a lamp according to the present invention
- Fig. 1 shows a lamp according to the present invention in a simplified spatial representation.
- the lamp has a metallic housing 1, a slot 2 located in the upper side of the box-shaped housing 1, a lamp (not shown) located on the lower side of the lamp, a transparent cover 3 covering the lamp and an operating device arranged inside the lamp 4 for the lamp.
- the lighting means can be an LED module, the operating device 4 providing the power required for the LEDs.
- FIG. 2 shows a side view of the lamp shown in FIG. 1 with the illuminant 6.
- the operating device 4 can also wirelessly receive data for the configuration of the operating device 4 (specification of the maximum operating current and / or the light temperature) and to control the lamp (on / off commands or dimming level) from an external control device and / or wirelessly receive information on the current Send configuration and current operating status to the control device.
- the operating device 4 has an antenna 5 on, which can be a Bluetooth or WLAN antenna and emits or receives a corresponding radio signal.
- the slot 2 located in the upper side of the metal housing 1 and going through the metal housing forms a slot antenna which is fed or excited by the radio signal of the operating device 4 or an incoming signal and this in turn outwards (outside the luminaire) or radiates inwards to the antenna 5.
- the antenna 5 and the slot antenna are arranged relative to one another in such a way that the electromagnetic radiation emitted by the antenna 5 generates an electric field E which strikes the feed point of the slot antenna 2 at a right angle (radiation coupling).
- the slot length corresponds to half or a multiple of half the wavelength of the radio signal (l / 2 or h * l / 2), which is 6.25 cm or n * 6.25 cm at a radio signal frequency of 2.4 GHz corresponds to.
- elements can be provided in the luminaire which define the installation position of the operating device 4. For example, receptacles or stops are formed in the interior of the metallic housing 1.
- coupling can take place by means of a waveguide, which leads from the antenna 5 to the slot antenna 2, or a cavity resonator formed by the luminaire housing, which is excited by the antenna 5 and generates the electric field E.
- the slot antenna can have a plurality of slots in order to achieve a directional effect.
- 3 shows such an arrangement with four slots 2, in which the slots 2 and three lighting means 6 are arranged on the same side of the housing 1.
- the lighting means 6 are designed as strip-shaped LED modules with eight LEDs each.
- the slots 2 are arranged between the lighting means 6 (LED modules). The distance between two slots 2, which run parallel with respect to their main direction of extent, is greater than l / 2.
- Fig. 4 shows a lamp according to the present invention, in which the slot antenna 2 is not rectangular.
- the lamp shown in Fig. 4 has a circular metallic housing 1, a circular arc-shaped slot 2 located on the upper side of the round housing 1, a lamp (not shown), a light-permeable covering the lamp round cover 3 and arranged inside the lamp operating device 4 (not shown) for the light source.
- the slot 2 forming the slot antenna has a uniform width and runs parallel to the outer edge 3a of the round cover 3, the circumference of the circular arc being chosen so that the length of the straight line between the ends of the circular arc is half or a multiple of half the The wavelength of the radio signal (l / 2 or h * l / 2).
- the coupling of the antenna 5 of the operating device 4 takes place as described above.
- Figures 5a to 5f show slot antennas 2 in different shapes with the dimensions for a radio signal frequency of 2.4 GHz, the file indicating the respective orientation of the electromagnetic field.
- the shape of the slot antenna 2 can correspond to a symbol which is used, for example, to identify the lamp or the manufacturer.
- the slot antenna 2 is formed on one of the sides of the housing 1.
- at least one slot antenna 2 on at least two different sides of the housing 1, which are coupled to the antenna of the operating device 4 by means of the radiation coupling, the waveguide or the cavity resonator.
- each device antenna being coupled to another slot antenna 2 by means of radiation coupling, the waveguide or the cavity resonator.
- the position of the operating device 4 is selected, taking into account the position of its antenna 5 in the housing 1 of the lamp, so that optimal excitation of the slot antenna 2 is possible.
- different positioning aids can be provided in the housing for different operating devices 4, so that several configurations are possible with just one lamp housing and, in particular, operating devices 4 that use different radio signals (Bluetooth, WiFi) can be used.
- the slot 2 forming the slot antenna can be open or closed with a dielectric filling material. That the electric Material can either be restricted to the open area of the slot or can be applied to the inside and / or outside of the housing.
- the material applied to a surface preferably has a relief-like surface so that the electrical material penetrates into the open area of the slot.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019126868.0A DE102019126868A1 (de) | 2019-10-07 | 2019-10-07 | Leuchte mit Datenübertragungsfunktion |
| PCT/EP2020/078065 WO2021069473A1 (de) | 2019-10-07 | 2020-10-07 | Leuchte mit datenübertragungsfunktion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4026200A1 true EP4026200A1 (de) | 2022-07-13 |
| EP4026200B1 EP4026200B1 (de) | 2025-09-24 |
Family
ID=72801479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20788751.4A Active EP4026200B1 (de) | 2019-10-07 | 2020-10-07 | Leuchte mit datenübertragungsfunktion |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12181138B2 (de) |
| EP (1) | EP4026200B1 (de) |
| CN (1) | CN114424405A (de) |
| AT (1) | AT18260U1 (de) |
| DE (1) | DE102019126868A1 (de) |
| WO (1) | WO2021069473A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022119696A1 (de) | 2022-08-05 | 2024-02-08 | Tridonic Gmbh & Co Kg | Gehäuse für eine Leuchte und Leuchte mit integrierter Funkschnittstelle |
| EP4322335A1 (de) * | 2022-08-08 | 2024-02-14 | Zumtobel Lighting GmbH | Installationsgehäuse |
| JP2024065266A (ja) * | 2022-10-31 | 2024-05-15 | パナソニックIpマネジメント株式会社 | 照明器具 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0317506D0 (en) * | 2003-07-25 | 2003-08-27 | Asg Technology Ltd | Concealed antenna |
| IT1403519B1 (it) | 2010-12-28 | 2013-10-31 | Ova G Bargellini S P A | Rete di interconnessione di apparati per l'illuminazione d'emergenza e procedimento di gestione della stessa |
| CN102097676A (zh) * | 2011-01-15 | 2011-06-15 | 广东通宇通讯股份有限公司 | 一种照明灯具型隐蔽天线 |
| DE102011007416A1 (de) | 2011-04-14 | 2012-10-18 | Trilux Gmbh & Co. Kg | Leuchte und Adapter zur Steuerung der Leuchte |
| US20140218913A1 (en) * | 2013-02-04 | 2014-08-07 | Galtronics Corporation Ltd. | Lighting device with integrated slot antenna |
| JP6235698B2 (ja) * | 2013-04-23 | 2017-11-22 | フィリップス ライティング ホールディング ビー ヴィ | アンテナを含む照明デバイス及び照明器具 |
| WO2015024917A1 (en) | 2013-08-23 | 2015-02-26 | Koninklijke Philips N.V. | A luminary with a wireless transmitter |
| US10047912B2 (en) * | 2013-10-15 | 2018-08-14 | LIFI Labs, Inc. | Lighting assembly |
| JP6406603B2 (ja) * | 2014-09-05 | 2018-10-17 | パナソニックIpマネジメント株式会社 | 照明器具 |
| US10222039B2 (en) * | 2015-02-23 | 2019-03-05 | Panasonic Intellectual Property Management Co., Ltd. | Luminaire |
| US10405406B2 (en) * | 2016-06-23 | 2019-09-03 | Ideal Industries Lighting Llc | LED lighting device with communications module and antenna |
| JP6956361B2 (ja) * | 2017-02-22 | 2021-11-02 | パナソニックIpマネジメント株式会社 | 点灯装置及び照明装置 |
| ES2832755T3 (es) * | 2017-03-01 | 2021-06-11 | Signify Holding Bv | Dispositivo de iluminación con antena de ranura |
| JP6526264B2 (ja) * | 2018-01-17 | 2019-06-05 | 三菱電機株式会社 | 照明器具 |
| US10916832B2 (en) * | 2018-02-20 | 2021-02-09 | Apple Inc. | Electronic device slot antennas |
-
2019
- 2019-10-07 DE DE102019126868.0A patent/DE102019126868A1/de active Pending
- 2019-12-10 AT ATGM50219/2019U patent/AT18260U1/de unknown
-
2020
- 2020-10-07 WO PCT/EP2020/078065 patent/WO2021069473A1/de not_active Ceased
- 2020-10-07 EP EP20788751.4A patent/EP4026200B1/de active Active
- 2020-10-07 US US17/767,076 patent/US12181138B2/en active Active
- 2020-10-07 CN CN202080066887.8A patent/CN114424405A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AT18260U1 (de) | 2024-07-15 |
| DE102019126868A1 (de) | 2021-04-08 |
| CN114424405A (zh) | 2022-04-29 |
| US12181138B2 (en) | 2024-12-31 |
| EP4026200B1 (de) | 2025-09-24 |
| WO2021069473A1 (de) | 2021-04-15 |
| US20220364714A1 (en) | 2022-11-17 |
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