EP3809804A1 - Système d'éclairage à del - Google Patents

Système d'éclairage à del Download PDF

Info

Publication number
EP3809804A1
EP3809804A1 EP20200212.7A EP20200212A EP3809804A1 EP 3809804 A1 EP3809804 A1 EP 3809804A1 EP 20200212 A EP20200212 A EP 20200212A EP 3809804 A1 EP3809804 A1 EP 3809804A1
Authority
EP
European Patent Office
Prior art keywords
led lighting
supply line
current
lighting system
current flow
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.)
Pending
Application number
EP20200212.7A
Other languages
German (de)
English (en)
Inventor
Markus Barainsky
Robby Kozok
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.)
BRITZE ELECTRONIC GMBH
Original Assignee
Britze Elektronik und Geraetebau GmbH
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 Britze Elektronik und Geraetebau GmbH filed Critical Britze Elektronik und Geraetebau GmbH
Publication of EP3809804A1 publication Critical patent/EP3809804A1/fr
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/18—Controlling the intensity of the light using temperature feedback

Definitions

  • the present invention relates to an LED (LED - light emitting diode) lighting system, i. H. a circuit arrangement with one or more LED light sources, which are, for example, dimmable, d. H. can act in their luminous intensity changeable, LED light sources, including circuits for power supply and control of the light-emitting diodes.
  • LED LED - light emitting diode
  • LED light sources With the same illuminance, these require less energy than other light sources, such as incandescent lamps or fluorescent lamps.
  • LED lamps which can be used, for example, as individual LED spots, i.e. H. LED single spotlights, or as LED strips with a plurality of individual, possibly interconnected, LED lighting elements can be used, a variety of possibilities to use them in a creative way decoratively.
  • LED light sources are semiconductor components that are operated with direct voltages or currents. If the LED light source is therefore not supplied with energy from a battery, a rectifier circuit, ie an AC / DC power converter circuit, is required to convert the available alternating current (AC) or alternating voltage at least approximately into a direct current (DC) or voltage. to convert a DC voltage.
  • a rectifier circuit ie an AC / DC power converter circuit
  • the power converter circuit can be implemented, for example, directly with the LED lighting means in a housing or in a spatially close module, but separated from the LED lighting means, so that the energy is fed through a supply line, i.e. H.
  • a supply line i.e. H.
  • a cable connection between the energy source and the light source or the remote module is transmitted with alternating current or alternating voltage.
  • the AC / DC power converter circuit can be arranged on or spatially in the vicinity of the mains voltage or power supply as an energy source, for example in a central switch cabinet, so that the energy through the supply line between the energy source and lamps with direct current or . DC voltage is transmitted.
  • the electromagnetic compatibility i.e. the extent of the unwanted effect on other devices or lines or by other devices and lines (e.g. due to interference signals and antenna effect of the lines caused by switching operations or pulse width modulation) by unwanted electrical or electromagnetic effects or being disturbed by other devices and lines and the line resistance must be taken into account.
  • line cross-sections are often chosen to be unnecessarily large for regular operation, which in turn leads to increased material requirements and, in turn, increased costs.
  • the weight of the lines increases, which for example in the cabling in vehicles, such as motor vehicles, trains and ships, z. B. cruise ships with many passenger cabins, and aircraft leads to a permanently increased fuel requirement and thus, in turn, increased costs.
  • LED lighting systems can, for example, provide for operation with a 24 V DC voltage, with a current consumption of 300 to 350 mA or up to 500 mA, 700 mA or more per individual LED spot or up to 1 A per channel of an LED strip .
  • RGBW LED strips for example, have four channels, with the red light, green light, blue light and white light emitting diodes being addressed via one channel each. It can be provided that the lines of the supply line used for wiring have an oversized large cross-section in order to be able to conduct unexpectedly large current flows without damage.
  • a lighting system in which the lamps are operated with Power-Over-Ethernet (PoE), ie the power is supplied via an Ethernet data cable to which components of a local data network are connected, with excessive heating of the cable also being provided to avoid.
  • LED lamps are controlled via a complex electronic Power-Over-Ethernet driver circuit, which has a microcontroller, a bridge rectifier and an LED driver chip and is connected to a central electronic power switch via a data cable as a power and communication link is, ie a data network coupling device, which is also designed for energy transmission.
  • a complex electronic Power-Over-Ethernet driver circuit which has a microcontroller, a bridge rectifier and an LED driver chip and is connected to a central electronic power switch via a data cable as a power and communication link is, ie a data network coupling device, which is also designed for energy transmission.
  • both the primary side i.e.
  • the secondary side ie after the energy transfer via the supply line for operating the LED light sources, are complex for the energy supply via the data cable as a supply line Circuits using a variety of semiconductor components are required, the installation of which requires space and installation effort and is costly.
  • the power flow through the supply line is monitored and evaluated by the PoE driver circuit and, if there is an indication of a fault, an alarm signal is sent to the control center of a building automation system via the supply line and the PoE switch.
  • a lighting system in which the LED light sources are controlled by an operating circuit, in particular implemented as an integrated semiconductor circuit, which is connected to a DC voltage source via a DC bus as a supply line.
  • an operating circuit in particular implemented as an integrated semiconductor circuit
  • this is set up for communication via the DC bus and can receive control signals that are transmitted by PLC ("Power Line Communication") using, in particular, a DALI standard-compliant protocol (DALI - "Digital Addressable Lighting Interface ”) can be modulated onto the DC bus and transmitted.
  • PLC Power Line Communication
  • DALI Digital Addressable Lighting Interface
  • a circuit having semiconductor components is required both as an operating circuit and for modulating the data signals prior to transmission via the DC bus as a supply line, the operating circuit causing costs as well as having to be installed through additional effort.
  • a lighting system in which the power supply is provided by a direct current source via an unshielded two-wire supply line, a third wire being provided in order to transmit control signals.
  • the luminaires have control circuits that also enable communication between the luminaires. Instead of a third wire for the control signals, provision can also be made for the control signals to be transmitted by frequency modulating the current in the supply line.
  • the current with which the LED lamps are supplied is provided by a current source with a dimmer function through pulse width modulation (PWM), with provision being made to control the current as a function of a minimum temperature of the LEDs, that a sufficient minimum current flow is always maintained in order to protect the LEDs from damage by current peaks and to improve the reaction speed
  • PWM pulse width modulation
  • the present invention is based on the object of providing a system that is operationally reliable even in the event of interference and yet can be manufactured and operated at low cost, with which LED lighting means can be supplied with energy and controlled via a supply line.
  • an LED lighting system comprises an arrangement on the primary side, an arrangement on the secondary side and a supply line via which the arrangement on the secondary side can be supplied with electrical energy from the arrangement on the primary side, the arrangement on the secondary side having one or more semiconductor components and the Arrangement having a device for providing electrical energy.
  • the one or more secondary-side semiconductor components are only LED lighting means and the primary-side arrangement also includes a control device which is set up to control a current flow of current through the supply line as a function of a maximum permissible temperature of the supply line .
  • the secondary-side arrangement is a circuit which has at least one LED light source, that is to say a light-emitting diode, and is connected via a supply line, ie. H. a supply line or a supply cable, which can consist of one or more wire connections or veins, is supplied with electrical energy from the primary-side arrangement.
  • the primary-side arrangement is a circuit that has a suitable device to provide the electrical energy and feed it into the supply line, i.e. H. a power source, which is a primary source, e.g. B. a battery, or a secondary source, e.g. B. can act as an AC / DC power converter, which in turn z. B. is supplied with alternating current via an available power grid.
  • the secondary-side arrangement can have other electrical components, for example resistors, only the LED lighting means, ie the light-emitting diodes, are provided as semiconductor components.
  • the secondary side for example, no diodes for a rectifier circuit, ie an AC / DC power converter, and also no processors or microcontrollers are provided for a secondary-side control circuit that can control parameters of the LED lamps, e.g. B. as a function of control signals received via the supply line or in some other way.
  • This offers the advantage that, in addition to the elimination of costs for these semiconductor components, the secondary installation is also very simplified and z. B.
  • LED lamps are light-emitting diodes that are operated with direct current and no rectifier circuit is provided on the secondary side, the required energy is transmitted via the supply line with direct current or direct voltage.
  • a control circuit is provided which is set up to control the current flow of current through the supply line as a function of a maximum permissible temperature of the supply line.
  • the maximum permissible temperature of the supply line is a temperature at which its level has a negative effect on the functionality or operational safety of the supply line. This can in particular be the temperature at which the conductive metal of the supply line melts or the temperature at which an insulation of the supply line melts or burns, there is a risk of cable fire, connection contacts, e.g. B.
  • Controlling the current flow of current as a function of this maximum permissible temperature includes, in particular, reducing the current current flow, if necessary, in order to prevent the actual temperature from rising above the maximum permissible temperature.
  • z. B. a sensor can be provided with which the actual temperature of the supply line is monitored.
  • the described control of the current flow offers the advantage that it is ensured that the supply line of the LED lighting system can be operated without damage, even if situations of large temperature increases due to e.g. B. unexpectedly large current flow due to induced interference or short circuits o. ⁇ . Occur. In this way it is possible to avoid physically designing the supply line with such a large diameter, for reasons of safety, that even in exceptional cases, very large currents can be conducted without any problems. On the one hand, this saves material costs. On the other hand, cables with a smaller diameter are usually easier to lay.
  • the feed line preferably has cores, ie lines, with core cross-sections, for example in accordance with AWG22 or AWG23 (AWG - American dimension for wire cross-sections).
  • the lower weight of the feed line due to the smaller diameter also results in a permanently reduced fuel requirement.
  • a mobile device e.g. B. a vehicle, Aircraft or ship
  • the lower weight of the feed line due to the smaller diameter also results in a permanently reduced fuel requirement.
  • on board cruise ships with cabins that can be illuminated this can result in measurable savings in energy costs for possibly hundreds or even thousands of passengers.
  • the LED lighting system according to the invention also enables, for example in projects for the construction of larger contiguous residential units, the effective and error-free installation of the components, short times for commissioning, and low-maintenance operation over the entire service life of a building or a mobile facility.
  • control device has a sensor unit which is set up to detect the current current flow, and the control device is set up to limit the current current flow to a maximum permissible current flow greater than zero, which is dependent on the maximum permissible temperature. It is provided here to measure the current flow of current through the supply line directly or indirectly and using the parameters of the supply line, e.g. B. material, line resistance, cross-section, to infer the actual temperature or to translate the maximum permissible temperature into a maximum permissible current flow, so that the failure to exceed the maximum permissible temperature is ensured by monitoring that a maximum permissible current flow is not or is not exceeded beyond a certain period of time.
  • parameters of the supply line e.g. B. material, line resistance, cross-section
  • the relationship between the maximum permissible temperature and the maximum permissible current flow can be determined in advance, provided that no currently changing environmental parameters are to be included. Limiting the maximum permissible current flow to a value greater than zero includes, in particular, not permanently reducing the current flow by using e.g. B. to interrupt a fuse. Instead, the control circuit keeps the LED lighting system permanently ready for operation or a complete shutdown is avoided as long as this is possible, ie there is no total short circuit of all lines. Maintaining the basic function is particularly advantageous in the case of a lighting system. In addition, it stays that way ensures that further abnormal situations can be recognized at any time and the operator can be informed about them.
  • the supply line has one or more twisted wire pairs.
  • the use of twisted wire pairs enables the same transmission behavior on all wire pairs. If the different wire pairs are used for different channels, for example to control the red, green, blue and white LED lamps of an RGBW strip independently of one another, a homogeneous color mixture of the light from the LED lamps is ensured. This also applies if the control device is set up, e.g. B. to dim the light intensity of the LED lamps over a range by regulating the flow of current.
  • the supply line has a shield against electromagnetic interference. Consistent shielding of the supply line, as well as the twisting of the wire pairs, reduces the risk that the antenna effect of each line and high-energy switching edges induce additional current flows in the supply line.
  • the shield not only increases the immunity of the supply line against electromagnetic interference from the outside, but also acts as an emission protection against the electromagnetic interference between different lines, for example caused by switching edges of a pulse width modulation or other modulation of the conducted current, which z. B. can be used for the purpose of dimming or limiting the power to the load or the current on the line.
  • data cables known from network technology with twisted wire pairs are used for the supply line, in particular STP cables (STP - Shielded Twisted) Pair), which have a metal braid (usually a copper braid) as a shield, and FTP cables (FTP - Foiled Twisted Pair) which have a metal foil (usually an aluminum foil) as a shield.
  • S / STP cables (S / STP - Screened STP) and S / FTP cables (S / FTP - Screened FTP) can also be used, in which pairs of wires are also shielded from one another.
  • the use of pre-assembled STP or FTP cables also offers the advantage that fewer wiring errors occur, especially with rapid or large-scale installation.
  • the device for providing electrical energy comprises a rectifier circuit, i. H. an AC / DC converter device.
  • Rectifier circuits are used to convert alternating current into direct current and are usually implemented with semiconductor diodes, possibly also with thyristors or transistors.
  • the secondary arrangement with the LED lamps can be supplied with direct current via the supply line, which z. B. is obtained from an available AC network without a secondary-side rectification with a suitable semiconductor component circuit is required.
  • the supply line can be or is connected to the primary arrangement and the secondary arrangement via plug connections. This simplifies installation, especially if a standardized twisted pair cable, for example an STP or FTP cable, is used as the feed line, with RJ-45 plug connections with connection contacts to 4x2 wires, i.e. four twisted wire pairs, for example (plus connection option for shielding) can be used.
  • the supply line to the primary arrangement and the secondary arrangement is manual, for example via switches or separation points, clamp connections, screw connections, crimp connections or others Connectable connections connectable or connected.
  • the same or different types of connection can be used for connecting the supply line to the primary and the secondary arrangement.
  • a minimum required size of a cross-sectional area of the supply line is only determined as a function of a maximum permissible voltage drop across the one or more illuminants and an actual size of the cross-sectional area of the supply line is adapted to the minimum required size.
  • the actual size is then adjusted to the minimum required size if the sizes correspond or if the actual size slightly exceeds the minimum required size, for example by 5%, 10% or 20%, so that a buffer is provided for slight increases to be able to absorb the current flow without the temperature of the supply line rising into a critical range.
  • the minimum required size of the cross-sectional area is determined solely on the basis of the voltage drop across the lighting means, it is ensured that the line is dimensioned thin and light.
  • the supply line comprises a plurality of channels and the control device is set up to monitor a respective associated portion of the current flow of current in at least one of the channels.
  • a channel of the supply line can, for example, correspond to one of a plurality of twisted wire pairs, which together form an optionally shielded cable, each channel supplying a different light source with energy, for example separate light-emitting diode elements of an RGBW LED strip, which z. B. red, emit green, blue and white light.
  • one or more channels of the supply line can also be implemented at least in sections as spatially separated cables with individual wires or wire pairs, for example if this is necessary due to the structural conditions under which the LED lighting system is installed. It may be necessary or advantageous to monitor the current flow for only one or a part of the channels, for example when these are most likely to be threatened by a malfunction.
  • control device is set up to monitor the respective associated portion of the current flow of current in the plurality of channels, i. H. monitor each of the channels. This has the advantage that any need to adjust the current flow can be recognized.
  • control device is set up to carry out a limitation at least for the monitored respective associated portion of the current flow of current if an associated maximum permissible current flow value is exceeded.
  • one embodiment provides that the associated maximum current flow value is determined as a function of the maximum permissible temperature of the supply line. I. E. the current flow is then adjusted by the control device when the currently detected value shows a rise in the temperature of the lines of the affected channel or of the entire supply line to a critical level, i. H. an area causing a malfunction can be expected. In this way, damage caused by overheating can be avoided without having to measure the temperature yourself.
  • the control device is also set up to detect a malfunction of the LED lighting system on the basis of the monitored respective associated portion of the current flow of current. This includes, based on the recorded current flow values and, if necessary, their course over time to detect malfunction, especially in the supply line and / or in the LED light sources and possibly the connections, e.g. B. wire break detection, short circuit detection, detection of shorts between two channels and detection of inequalities that z. B. can indicate dirty plug connections.
  • the control device is preferably also set up to reduce the associated current flow or, if necessary, to switch it off completely, depending on the malfunction.
  • the control device can be set up to transmit associated information or alarms to a higher-level unit, for example a building automation system.
  • control device is set up to adapt the respective associated portion of the current flow of current through at least one of the channels as a function of an associated dimming input signal.
  • a dimming input signal is an external signal which can be received via an input interface of the control device and which can be changed, for example, by a user of the LED system. This enables the flow of current to be regulated in at least one, preferably several or all channels, so that the light intensity of the LED lighting means can be continuously changed or even prevented.
  • the channels as twisted pairs of wires form the supply line to LED lighting means that shine in different colors, the result is a homogeneous color mixture of the light from the LED lighting means.
  • the one or more LED lighting means are provided on a carrier element with a connection option to a power supply.
  • the LED lighting means are comprised as strip LEDs by an LED strip.
  • different multi-color LED lamps can be used in the strips, in each of which four differently colored LEDs are arranged in a housing.
  • an LED strip can also be an RGBW LED strip in which a different light-emitting diode in each case emits red, green, blue or white light.
  • the carrier element can also provide a flat arrangement of LED lighting means.
  • the LED lighting system also comprises at least one further secondary-side arrangement and at least one further supply line, via which the at least one further secondary-side arrangement can be supplied with electrical energy from the primary-side arrangement.
  • the at least one further arrangement on the secondary side has one or more further semiconductor components in each case. It is provided that the respective one further or the respective several further semiconductor components are only LED lighting means and that the control device of the primary-side arrangement is also set up to generate a respective current flow of current through the at least one further supply line as a function of a respective associated one to control the maximum permissible temperature of the at least one additional supply line.
  • the primary-side arrangement both supplies a further secondary-side arrangement with energy and controls it in such a way that critical temperatures due to excessive current flows are avoided and the advantages of the secondary-side easy installability and maintainability, the low material cost for the Supply lines etc. also result for a further and in other embodiments also for many further secondary arrangements.
  • the LED lighting system can be designed to illuminate a large number of rooms in a house or a large number of cabins on a passenger ship, e.g. B. a cruise ship to supply stable and controllable in an inexpensive manner with, for example, dimmable light, even if the supply lines from a central primary arrangement to the secondary arrangements distributed over the individual rooms are structurally long and would otherwise have a high weight and cause high material costs.
  • FIG. 1 a schematic representation of a first example of an LED lighting system according to an embodiment of the invention is shown.
  • the LED lighting system 100 comprises a primary-side arrangement 101, a secondary-side arrangement 102 and a supply line 103.
  • the secondary-side arrangement 102 is connected to the primary-side arrangement 101 via the supply line 103 and can be supplied with electrical energy by this.
  • the secondary-side arrangement 102 has an LED illuminant 104, for example a light-emitting diode, e.g. B. an LED spot designed for room lighting.
  • the secondary-side arrangement 102 has a plurality of LED lighting means, for example a plurality of light-emitting diodes connected to one another in parallel or differently.
  • resistors can be part of the circuit that forms the secondary-side arrangement 102.
  • the adapter device 105 for example an adapter board with suitable connections, makes it possible to provide suitable connection sockets or plugs for the connection to the wires, ie lines, of the supply line 103, so that for the supply line 103, for. B. Cables with standardized connections can be used that do not have to match the connections of the LED light sources.
  • the embodiment shown is provided, for example, to connect the supply line 103 to the adapter device 105 with plug connections 106, 107 of a first type, while connecting lines of the LED light source have plug connections 108 of a second type in order to establish a conductive connection with the lines of the Establish supply line 103.
  • the plug connections of the first type can be connections with conventional wire terminals, while the plug connections of the second type are implemented by push-in connections.
  • Any other plug connection suitable for connection to the adapter device 105 can also be used, ie in this and other embodiments it is possible to use other plug connections which have the same effect.
  • the primary-side arrangement 101 has a device 109 for providing electrical energy.
  • This is a current or voltage source that provides at least approximately direct current or direct voltage, for example a battery device with one or more batteries.
  • the device 109 for providing electrical energy is an AC / DC converter device which, for example, is supplied with alternating current or alternating voltage via a connection (not shown) to a supply network and this is supplied e.g. B. is converted at least approximately into a direct current or a direct voltage with the aid of a rectifier circuit and this or this is then fed to a control device 112 via a positive feed 110 and a negative feed 111.
  • the control device 112 is set up to measure the current flow through the supply line 103 over time, i. H.
  • the control device 112 also has a dimming signal input interface 114, via which an externally provided, z. B. can be received by a user via a dimmer switch changeable, dimming signal, wherein the control device 112 is set up to control the flow of current through the
  • the supply line 103 can also be controlled as a function of the dimming signal received in order to adapt the light intensity of the LED illuminant 104 in the secondary arrangement 102.
  • a corresponding adjustment of the strength of the current flow can be provided or, taking into account the switch-on behavior of the LED lighting means 104, an adjustment of the effective light intensity by pulse width modulation of the current or the voltage output by the control device 112.
  • the supply line 103 is designed as a twisted pair of wires 116 provided with a shield 115 against electromagnetic interference, the shield 115 being connected to ground 118, 119 via plug connections 117 and 107, for example shield clamps, so e.g. B. is grounded.
  • the supply line 103 is made to have a small cross-sectional area and thus a low weight.
  • the cross-sectional area of the supply line 103 is independent of the thickness of an insulation (not shown) or the shielding 115, the sum of the cross-sectional areas of the wires of the twisted wire pair 116.
  • the minimum required size of the cross-sectional area of the supply line 103 is only dependent on a maximum permissible Voltage drop across the LED lighting means 104 is determined.
  • the actual size of the cross-sectional area is selected to be adapted to the minimum required size. For this purpose, the actual size is chosen to be equal to the minimum required size. In other embodiments it is envisaged that the actual size slightly exceeds the minimum required size, e.g. B. by 5%, 10% or 20%.
  • the controller 212 shown is suitable for use as the one in FIG Fig. 1 control device 112 shown. It can be connected via the positive feed 210 and the negative feed 211 as an input interface to a device for providing electrical energy.
  • the control device 212 has a sensor unit in the form of a current measuring unit 220, which is set up to detect the current flow of current and to transfer measured values to an evaluation unit 221.
  • the evaluation unit 221 can, for example, be a logic circuit in hardware or in a programmable logic module or as a programmable device, for example a microprocessor or microcontroller.
  • the current measurement is carried out after a protection unit 222, which is a protective circuit, for example to filter out received input current or voltage peaks.
  • a dimming signal input interface 214 is provided, via which an externally provided dimming signal can be received.
  • the control device 212 has a dimming signal input interface 214 and z. B. the negative lead 211 connected driver unit 223, which is set up to change the current flow as a function of the received dimming signal so that the light intensity of an LED lamp in a connected via a connector 206 to the control device 212 shown in the example shown Supply line connected secondary arrangement is adjusted as desired. Voltage fluctuations generated in this way are recorded with a voltage measuring unit 224 and associated measured values are transferred to the evaluation unit 221.
  • the evaluation unit 221 of the control device 212 is set up, for. B. programmed to limit the current current flow to a maximum permissible current flow that is dependent on a maximum permissible temperature and is greater than zero.
  • the maximum permissible temperature based on parameters of the supply line, z. B. material, line resistance, cross section, be determined in advance or dynamically determined taking into account other parameters, such as the ambient temperature. Taking into account the material properties of the supply line used, the maximum permissible temperature is translated into a maximum permissible current flow.
  • the evaluation unit 221 is now set up to use the current measured values of the current measuring unit 220 to check whether a maximum permissible current flow is not exceeded, or at least not exceeded for a certain period of time, or to reduce the current flow in good time when the maximum permissible value is approached, z. B. by Modification of the settings of the protection unit 222 and / or the driver unit 223, and to limit them to a value greater than zero.
  • FIG. 3 a schematic representation of a second example of an LED lighting system according to a further embodiment of the invention is shown.
  • the basic structure of the LED lighting system 300 shown corresponds to that in FIG Fig. 1 LED lighting system 100 shown:
  • the in Fig. 3 The LED lighting system 300 shown comprises a primary-side arrangement 301, a secondary-side arrangement 302 and a supply line 303, via which the secondary-side arrangement 302 is supplied with electrical energy from the primary-side arrangement 301.
  • the secondary-side arrangement 302 has a plurality of LED lighting means 304, e.g. B. LED spots or downlights designed for room lighting.
  • an adapter device 305 is used to connect the LED lighting means 304 to the supply line 303.
  • the adapter device 305 is designed as an adapter board with suitable connections, ie connection sockets or plugs, in order to connect the wires, ie lines, of the supply line 303 to the connections of the LED lighting means 304.
  • suitable connections ie connection sockets or plugs
  • connection lines of the LED lamps 304 have push-in plug connections 308 or other connections in order to establish a conductive connection via the adapter device 305 with the lines of the supply line 303.
  • the lead 303 shown has, for example, wires with wire cross-sections in accordance with AWG22 or AWG23. This exemplary dimensioning is also suitable for wires of supply lines of the exemplary embodiments shown in the other figures.
  • the supply line 303 comprises a plurality of channels, implemented with twisted wire pairs 316, each of which is connected to a different one of the LED lighting means 304.
  • a pre-assembled STP cable which is customary in network technology, is used for the supply line 303 with the four channels shown or FTP cable is used, the shield 315 being connected to ground 318, 319 via the ground connection connections 317 and 307.
  • STP or FTP cables otherwise used in network technology is advantageous, for example, because they are available in large quantities and thus inexpensively, thin and therefore light and flexible and therefore simple and thus inexpensive to lay.
  • QSTP quadratternary STP
  • connection sockets or modules with a suitable plug connection (e.g. RJ- 45 or another).
  • the control device 312 of the primary arrangement 301 is set up, depending on the embodiment, to monitor the proportion of the current flow of current in at least one, several or all channels.
  • the primary-side arrangement 301 has a device 309 for providing electrical energy, for example an AC / DC converter device which converts an alternating current or an alternating voltage into a direct current or a direct voltage, and then a direct current or voltage via a positive feed 310 and a negative lead 311 to the inputs of the control device 312, which is set up to control the flow of current through each of the channels, ie each of the twisted wire pairs 316, of the lead 303 over time as a function of a maximum permissible temperature of the lead 303 .
  • the control device 312 is designed to, for. B.
  • control device 312 is set up to use the monitored corresponding portion of the current current flow to detect a malfunction of the LED lighting system and, if necessary, to adjust the current flow in the affected channel or all channels, ie to reduce it or, if necessary, to switch it off completely .
  • the control device 312 For each of the channels to be controlled, the control device 312 also has its own dimming signal input interface 314, via which either the same dimming signal or an assigned own dimming signal can be provided for each channel, and the control device is designed to display the respective associated portion of the current flow of current by the channel or channels depending on the received associated dimming input signal.
  • Fig. 4 there is shown a schematic representation of a third example of an LED lighting system in accordance with yet another embodiment of the invention.
  • the basic structure of the LED lighting system 400 shown corresponds to that in FIG Fig. 3 LED lighting system 300 shown:
  • the in Fig. 4 The LED lighting system 400 shown comprises an arrangement 401 on the primary side, an arrangement 402 on the secondary side and a supply line 403 via which the arrangement 402 on the secondary side is supplied with electrical energy from the arrangement 401 on the primary side.
  • the supply line 403 comprises a plurality of four channels, implemented with twisted wire pairs 416.
  • an STP cable or FTP cable is preferably used, with the shielding 415 via the ground connection connections 417 and 407 is connected to ground 418, 419.
  • the control device 412 of the primary arrangement 401 is also set up, depending on the embodiment, to monitor the proportion of the current flow of current in at least one, several or all channels.
  • a device 409 for providing electrical energy for example an AC / DC converter device, converts an alternating current or a AC voltage into a direct current or a direct voltage and then feeds this via a positive lead 410 and a negative lead 411 to the inputs of the control device 412, which is set up to control the flow of current through each of the channels, ie each of the twisted wire pairs 416 to control the supply line 403 over time as a function of a maximum permissible temperature of the supply line 403.
  • an AC / DC converter device converts an alternating current or a AC voltage into a direct current or a direct voltage and then feeds this via a positive lead 410 and a negative lead 411 to the inputs of the control device 412, which is set up to control the flow of current through each of the channels, ie each of the twisted wire pairs 416 to control the supply line 403 over time as a function of a maximum permissible temperature of the supply line 403.
  • the control device 412 is designed to carry out a limitation for the monitored respective associated portion of the current flow of current or for the total flow of current through all channels as soon as an associated maximum permissible current flow value is exceeded, which is defined as a function of the maximum permissible temperature of the supply line 403, with the wires of which the output lines of the control device 412 are connected in the embodiment shown via connection contacts 413 of an RJ-45 plug connection.
  • the control device 412 is set up to recognize a malfunction of the LED lighting system 400 on the basis of the monitored respective associated portion of the current flow of current and, if necessary, to adjust the flow of current in the affected channel or all channels.
  • the control device 412 also has its own dimming signal input interface 414, via which either the same dimming signal or a separate dimming signal can be provided for each channel.
  • the secondary-side arrangement 402 of the LED lighting system 400 differs in that the plurality of LED lighting means are components of an LED strip 420, the input of which, in the embodiment shown, is implemented with a push-in connector 408, parallel to the anodes -Inputs of the LED lamps 404 is connected.
  • the LED strip 420 can e.g. B. be an RGBW LED strip, wherein one of the LED lighting means 404 can emit red light, green light, blue light or white light.
  • the adapter device 405 is provided, which allows an STP or FTP cable with four twisted wire pairs 416 and therefore eight output connections to continue to be used.
  • the adapter device 405 is an adapter board for the connection of four pairs of wires
  • the required eight connection contacts 406, 423 of an RJ-45 plug connection are provided, with a connection 421 of all connections being provided that receive the positive supply voltage via the connection contacts 406, connection 421 with this connection via the push-in connection 408 to the LED strip 420 feeds.
  • the LED strip 420 shown which can be an RGBW light strip with the four differently colored LED light sources 404 in an arrangement with a common anode, is therefore operated with a total operating current for all four LED light sources 404, the proportionally via individual wires, ie lines, one for each twisted wire pair 416, of the supply line 403, which can be a QSTP cable and the operating current on the adapter device 405 via the connection 421 there.
  • This connection adds up the current for the four individual circles, so that the total current is carried in the LED strip 420 via the plug connection 408.
  • the cathode connections of the LED lighting means 404 are individually connected to the corresponding connection contacts 423 of an RJ-45 plug connection for each channel or twisted wire pair 416, for example via push-in plug connections 422.
  • FIG. 5 there is shown a schematic representation of a fourth example of an LED lighting system in accordance with yet another embodiment of the invention.
  • the basic structure of the LED lighting system 500 shown corresponds to that in FIG Fig. 4 LED lighting system 400 shown:
  • the LED lighting system 500 shown comprises an arrangement 501 on the primary side, an arrangement 502 on the secondary side and a supply line 503, via which the arrangement 502 on the secondary side is supplied with electrical energy from the arrangement 501 on the primary side, the arrangement 502 on the secondary side having an LED strip 520 and an adapter device 505, with which the LED strip can be connected to all twisted wire pairs 516 of the supply line 503 if this is designed as a standard STP or FTP cable, with its shielding 515 via the ground connection connections 517 and 507 to ground 518 , 519 is connected.
  • the control device 512 of the primary arrangement 501 is also set up to monitor the proportion of the current flow of current in one, several or all channels.
  • the primary arrangement 501 has a device 509 for providing electrical energy, for example an AC / DC converter device, which converts an alternating current or an alternating voltage into a direct current or a direct voltage, and then leads the direct current or the direct voltage via a positive one Feed 510 and a negative feed 511 to the inputs of the control device 512, which is set up to control the flow of current through each of the channels, i. H. to control each of the twisted wire pairs 516 of the supply line 503 over time as a function of a maximum permissible temperature of the supply line 503.
  • the control device 512 is designed to carry out a limitation for the monitored respective associated portion of the current flow of current or for the total flow of current through all channels as soon as an associated maximum permissible current flow value is exceeded, which is defined as a function of the maximum permissible temperature of the supply line 503, to which the output lines of the control device 512 in the embodiment shown are connected via connection contacts 513 of an RJ-45 plug connection.
  • the control device 512 is set up to recognize a malfunction of the LED lighting system 500 on the basis of the monitored respective associated portion of the current flow of current and, if necessary, to adapt the flow of current in the affected channel or in all channels.
  • the control device 512 also has its own dimming signal input interface 514, via which the same dimming signal is provided for the exemplary embodiment shown.
  • the secondary-side arrangement 502 of the LED lighting system 500 differs in that the LED strip 520 is a monochromatic power LED strip with, for example, a single LED illuminant 504, which, compared to the illuminants 404 in FIG Fig. 3 embodiment shown has a higher power, with its input and the output of which in the embodiment shown is implemented with push-in plug connections 508, 522.
  • the adapter device 505 is equipped as an adapter board with eight connection contacts 506, 523 of an RJ-45 plug connection required for the connection of four wire pairs, with a connection 521 of all connections being provided get the positive supply voltage for the LED light source 504 supplied via the connection contacts 506, and the first connection 521 supplies this via the plug connection 508 to the LED strip 520 and a second connection 524 of all connections is provided that provides the negative supply voltage for the LED illuminant 504 is fed to the RJ-45 plug connection via the connection contacts 523 and feeds this to the LED strip 520 via the push-in plug connection 522.
  • the connection contacts 506, 523 of an RJ-45 plug connection required for the connection of four wire pairs
  • a total operating current is routed proportionally via individual wires, ie lines, one for each twisted wire pair 516, of the supply line 503, which can be a QSTP cable, the operating current on the adapter device 505 via the connection 521 there is summarized.
  • This connection adds up the current for the four individual circles, so that the total current is fed in the power LED strip 520 via the plug connection 408, the total current supplying a single LED lamp 504 there.
  • FIG. 6 there is shown a schematic representation of a fifth example of an LED lighting system in accordance with yet another embodiment of the invention.
  • the basic structure of the LED lighting system 600 shown corresponds to that in FIG Fig. 5 LED lighting system 500 shown:
  • the in Fig. 6 The LED lighting system 600 shown comprises an arrangement 601 on the primary side, an arrangement 602 on the secondary side and a supply line 603 via which the arrangement 602 on the secondary side is supplied with electrical energy from the arrangement 601 on the primary side, the arrangement 602 on the secondary side having an LED strip 620 and an adapter device 605, with which the LED strip is connected to all twisted wire pairs 616 of the supply line 603 can be if this z.
  • B. is designed as a standard STP or FTP cable, the shielding 615 being connected to ground 618, 619 via ground connection connections 617 and 607.
  • the control device 612 of the primary arrangement 601 is also set up to monitor the proportion of the current flow of current in one, several or all channels.
  • the primary arrangement 601 has a device 609 for providing electrical energy, for example an AC / DC converter device, which converts an alternating current or an alternating voltage into a direct current or a direct voltage, and then leads the direct current or the direct voltage via a positive one Feed 610 and a negative feed 611 to the inputs of the control device 612, which is set up to control the flow of current through each of the channels, i. H. to control each of the twisted wire pairs 616 of the supply line 603 over time as a function of a maximum permissible temperature of the supply line 603.
  • the control device 612 is designed to carry out a limitation for the monitored respective associated portion of the current flow of current or for the total flow of current through all channels as soon as an associated maximum permissible current flow value is exceeded, which is defined as a function of the maximum permissible temperature of the supply line 603, with the wires of which the output lines of the control device 612 are connected in the embodiment shown via connection contacts 613 of an RJ-45 plug connection.
  • the control device 612 is set up to recognize a malfunction of the LED lighting system 600 on the basis of the monitored respective associated portion of the current flow of current and, if necessary, to adapt the flow of current in the affected channel or in all channels.
  • the control device 612 also has its own dimming signal input interface 614, via which the same or different dimming signals can be provided in each case for the exemplary embodiment shown.
  • the secondary-side arrangement 602 of the LED lighting system 600 differs The fact that the LED strip 620 is a two-color luminous power LED strip with, for example, two differently colored light-emitting LED lamps 604, the input of the LED strip 620 being implemented with a push-in connector 608 in the embodiment shown and is connected in parallel with the anode inputs of the LED lighting means 604.
  • the adapter device 605 is provided, which allows an STP or FTP cable with four twisted wire pairs 616 and therefore eight output connections to continue to be used.
  • the adapter device 605 is equipped as an adapter board with eight connection contacts 606, 623, 625 of an RJ-45 plug connection required for the connection of four wire pairs, with a first connection 621 of all connections being provided which carry the positive supply voltage for the LED lamps 604 the connection contacts 606 are supplied, the first connection 621 supplying them to the LED strip 620 via the plug connection 608.
  • the cathode connections of the LED lighting means 604 are, for example, via push-in plug connections 622 with a second connection 624, which receives the negative supply voltage from two of the four twisted wire pairs 616 via the connection contacts 623, or with a third connection 626 that connects the negative supply voltage is supplied via the connection contacts 625 from the two remaining twisted wire pairs 616, connected.
  • the operating current is routed proportionally via individual wires, ie lines, one for each twisted wire pair 616, of the supply line 603, which can be a QSTP cable.
  • individual wires ie lines, one for each twisted wire pair 616, of the supply line 603, which can be a QSTP cable.
  • two pairs of wires are connected in parallel on the adapter device 605.
  • the LED lighting system 600 is, for example, a 24V system
  • two LED lamps can be connected via a QSTP cable (e.g. network cable) with a cross-section of at least AWG23 per wire and a length of the lead 603 of 10 m 604 can be operated with a maximum power of approx. 40 W.
  • QSTP cable e.g. network cable
  • an LED lamp 504 could be operated via a supply line 503 implemented as a QSTP cable with a cross section per wire of at least AWG23 and a length of the supply line 503 of 10 m, but with a maximum power of approx. 80 W. .
  • LED lamps 304 or 404 could be used via a supply line 303 or 403 implemented as a QSTP cable with a cross-section per wire of at least AWG23 and a length of the supply line 303 or 403 of 10 m, but with a maximum output operated by approx. 20 W.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP20200212.7A 2019-10-15 2020-10-06 Système d'éclairage à del Pending EP3809804A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019127766.3A DE102019127766B4 (de) 2019-10-15 2019-10-15 LED-Beleuchtungssystem

Publications (1)

Publication Number Publication Date
EP3809804A1 true EP3809804A1 (fr) 2021-04-21

Family

ID=72752727

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20200212.7A Pending EP3809804A1 (fr) 2019-10-15 2020-10-06 Système d'éclairage à del

Country Status (2)

Country Link
EP (1) EP3809804A1 (fr)
DE (1) DE102019127766B4 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006007896U1 (de) 2005-08-05 2006-08-03 Insta Elektro Gmbh Beleuchtungssystem
EP2048916A1 (fr) 2007-10-12 2009-04-15 Stefan Ruppel Système de lampes intelligent
DE102013221033A1 (de) * 2013-10-16 2015-04-16 Osram Gmbh Lichtquellenmodul, Netzgerät zum Betreiben eines derartigen Lichtquellenmoduls sowie Beleuchtungsanlage
US9253842B2 (en) 2012-03-21 2016-02-02 Electronic Theatre Controls, Inc. Dimmable light emitting diode lighting system
WO2016094920A1 (fr) 2014-12-17 2016-06-23 Tridonic Gmbh & Co Kg Circuit d'alimentation, appareillage d'alimentation, système d'éclairage et procédé permettant de faire fonctionner au moins une diode électroluminescente
US9622329B2 (en) 2010-07-16 2017-04-11 Lumenpulse Lighting Inc. Powerline communication control of light emitting diode (LED) lighting fixtures
US20180063928A1 (en) 2016-08-29 2018-03-01 Leviton Manufacturing Company, Inc. System for preventing excessive cable heating in power over ethernet-based lighting systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6299466B1 (en) * 1999-12-29 2001-10-09 Methode Electronics, Inc. Clockspring using resettable fuse for heated steering wheel
US9089010B2 (en) * 2010-11-29 2015-07-21 Weiss Controls, Inc. Heater wire safety circuit
DE102011075593B4 (de) * 2011-05-10 2014-09-25 TAKATA Aktiengesellschaft Übertragungsvorrichtungen und Verfahren zum Übertragen eines elektrischen Stroms zu einer Komponente eines Lenkrades eines Kraftfahrzeugs
CN204227158U (zh) * 2014-12-16 2015-03-25 贵州彩阳电暖科技有限公司 一种具有保护功能的led灯带

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006007896U1 (de) 2005-08-05 2006-08-03 Insta Elektro Gmbh Beleuchtungssystem
EP2048916A1 (fr) 2007-10-12 2009-04-15 Stefan Ruppel Système de lampes intelligent
US9622329B2 (en) 2010-07-16 2017-04-11 Lumenpulse Lighting Inc. Powerline communication control of light emitting diode (LED) lighting fixtures
US9253842B2 (en) 2012-03-21 2016-02-02 Electronic Theatre Controls, Inc. Dimmable light emitting diode lighting system
DE102013221033A1 (de) * 2013-10-16 2015-04-16 Osram Gmbh Lichtquellenmodul, Netzgerät zum Betreiben eines derartigen Lichtquellenmoduls sowie Beleuchtungsanlage
WO2016094920A1 (fr) 2014-12-17 2016-06-23 Tridonic Gmbh & Co Kg Circuit d'alimentation, appareillage d'alimentation, système d'éclairage et procédé permettant de faire fonctionner au moins une diode électroluminescente
US20180063928A1 (en) 2016-08-29 2018-03-01 Leviton Manufacturing Company, Inc. System for preventing excessive cable heating in power over ethernet-based lighting systems

Also Published As

Publication number Publication date
DE102019127766B4 (de) 2024-01-11
DE102019127766A1 (de) 2021-04-15

Similar Documents

Publication Publication Date Title
EP1078344A2 (fr) Systeme d'eclairage, par exemple systeme de balisage d'aeroports et de routes, signaux lumineux avertisseurs d'obstacles, feux indicateurs, temoins lumineux ou similaires
DE102017101347A1 (de) Lichtschaltsystem, beleuchtungssystem und leuchte
DE102017115133A1 (de) Signalempfangsvorrichtung, Signalübertragungsvorrichtung, Lichtsystem, Beleuchtungsvorrichtung und Beleuchtungssystem
DE102013102644B4 (de) Leuchtvorrichtung mit zwei Schnittstellen sowie Steuervorrichtung und Leuchtsystem
AT16863U1 (de) Anschlussklemme mit Bus-Ausgangsanschluss zur Bereitstellung einer DC-Busspannung für wenigstens ein Betriebsgerät
DE102012202474B4 (de) System zur Akzentbeleuchtung oder zur Erzeugung von Leuchteffekten sowie Leuchtelement
EP2280585B1 (fr) Procédé de réglage de la commande de plusieurs lampes
DE102019127766B4 (de) LED-Beleuchtungssystem
EP1432611B1 (fr) Dispositif de commande pour systemes de feux a eclats dans des aeroports
DE102017100413A1 (de) Stromversorgung, Bestromungssystem, Beleuchtungssystem und Verfahren zum Reduzieren der für das Löschen eines Lichtbogens erforderlichen Zeit
AT411315B (de) Installationsbussystem für eine stromschienenbeleuchtung
EP2282610B1 (fr) Procédé de commande d'une lampe
DE102018000893A1 (de) Verfahren zur Ansteuerung von mit zumindest einer Melder-Einheit versehenen Leuchten innerhalb zumindest eines Raums und System zur Durchführung des Verfahrens
EP1555857B1 (fr) Alimentation centrale utilisant plusieurs circuits à courant continu
DE19824756A1 (de) Helligkeitssteuerung für Leuchtmittel
EP0903966A1 (fr) Système d'éclairage
DE102019207182A1 (de) Led-treiber mit sicherheitskleinspannung und mittel zur verhinderung von glimm-effekten
DE102016104479A1 (de) Gerät für eine Leuchte einer Notbeleuchtung und Leuchte mit einem solchem Gerät
EP3182800B1 (fr) Appareil de commande pour un système d'éclairage
DE112011100717B4 (de) Betriebsgerät für Leuchtmittel sowie Bussystem und Verfahren zum Betreiben eines Betriebsgerätes
EP3934384B1 (fr) Agencement destiné à la commande de del
DE102013212671B4 (de) Variables Decken- bzw. Wandleuchtensystem sowie Grundplatte und Lichtmodul hierfür
AT518728B1 (de) LED-Leuchte mit LED-Leuchtmitteln unterschiedlicher Farbtemperatur
DE102018000006B4 (de) Bussystem und Master-Einheit zur Verwendung in einem Bussystem
DE102018119656A1 (de) Mechanischer und elektrischer Aufbau einer Langfeldleuchte und dazugehörige unterschiedliche Betriebsweisen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210706

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20220927

19U Interruption of proceedings before grant

Effective date: 20220401

19W Proceedings resumed before grant after interruption of proceedings

Effective date: 20230102

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BRITZE ELECTRONIC GMBH

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KOZOK, ROBBY

Inventor name: BARAINSKY, MARKUS