DE102009055846A1 - LED street lighting fixture - Google Patents

Abstract

The present invention describes a street lighting device (100) formed from a sidewalk shaped brick (1) having at least one top (1a) and at least one side (1b). In addition, the street lighting device has at least one LED (2) on the side surface (1b) of the molded block (1) and at least one LED (2) on the upper side 1a of the molded block (1). By integrating the embodiments of the street lighting device (100) of the present invention into sidewalks (13) at lane edges, advantageous illumination of the road surface (3) and sidewalks (13) can be achieved.

Description

The present invention relates to a street lighting device, which is realized with light-emitting diodes, LEDs, as a light source. In particular, the street lighting device of the present invention comprises a sidewalk shaped block provided with at least two LEDs.

Street lights are nowadays usually realized by light fixtures mounted on lamp posts. The lighting devices must have a strong light emission in order to illuminate the road surface of the height of the lamppost sufficient. There are standards that define exactly how much light is needed to illuminate streets and sidewalks. In conventional lamp posts, since a large amount of light is lost, that is, does not hit the road surface, an idea is to mount a lighting device as close as possible to the surface of the road.

One way to realize this is to position masts low height on the roadside. However, there is a risk that when the lighting devices are mounted at eye level of the driver, they are dazzled by the lighting devices. In addition, the lighting devices are exposed to an increased risk of destruction, as they can be directly affected in case of accidents. In addition, setting up special low masts or piles is costly.

It is therefore the object of the present invention to reduce the disadvantages of the prior art. In particular, it is the object of the present invention to produce a flexible, simple and inexpensive lighting device for illuminating a road surface.

The object is achieved by a street lighting device according to claim 1 of the present invention.

The street lighting device according to the invention comprises a shaped brick for sidewalks which has at least one upper side and at least one lateral surface. Furthermore, the street lighting device comprises at least two light-emitting diodes, LEDs, wherein at least one LED is arranged on the side surface and at least one LED is arranged on the upper side of the molded block.

The inventive integration of LEDs in a molded block for sidewalks, a flexible solution to the problem is achieved. There are no additional fasteners, such as poles or piles, be placed on the roadside to secure the lighting device. Since the lighting devices are positioned directly on the street to be illuminated, the roadway can be optimally illuminated.

Using LEDs, the power consumption can be significantly reduced, in contrast to conventional street lighting, while a consistent lighting performance is guaranteed. By mounting at least one LED on both the side surface and top of the block, both the road surface and an adjacent sidewalk can be illuminated. For pedestrians on the sidewalk, the LEDs on the top provide a highly visible guidance system that enhances the safety of both pedestrians and motorists on the road. LEDs as a light source offer several other advantages, such as their long life, their low production costs or their low power consumption.

The lighting on the street or pavement can be made very flexible by either the entire length of a sidewalk is provided with street lighting devices according to the invention, or only specially selected locations, such as at certain intervals or danger zones, are provided with street lighting devices according to the invention.

Advantageously, the number of LEDs on the side surface of the molded block is greater than the number of LEDs on the top of the molded block.

As a result, the predetermined standards for the illumination of the road surface can be met, while for the illumination of the sidewalk by the LEDs on the top of a smaller number achieved sufficient, non-interfering lighting.

Advantageously, the LEDs on the side surface are oriented such that their direction of emission is slightly inclined to the road surface.

The slight inclination ensures optimal illumination of the road surface.

Advantageously, the LEDs are aligned such that their direction of emission is inclined in the direction of travel of the vehicles.

Due to the inclination in the direction of travel, a dazzling of the driver is prevented. This increases road safety.

Advantageously, the LEDs are shaded against the direction of travel.

A shading of the LEDs supports the above-mentioned inclination of the LEDs in the direction of travel, to avoid dazzling the driver.

Advantageously, the LEDs are white and / or colored. White light is used for standard illumination of the road surface. Colored light, for example, can be used to visually delimit the sidewalk from the road. This further increases the safety of pedestrians and motorists. In addition, colored LEDs in dangerous places, such as construction sites or curves, can be a warning signal. Differently colored LEDs can realize different signals for traffic control.

Advantageously, the street lighting device further comprises a controller configured to drive the LEDs to adjust the light color temperature and / or the light color.

By such a control, the street lighting device can be made more flexible. Depending on the situation or external conditions, various signals for road traffic can be realized by the light color temperature and / or the light color. In addition, the best possible visible light temperatures or light colors can be adjusted specifically according to the external conditions.

Advantageously, the street lighting device further comprises a daylight sensor. The controller is designed based on an output signal of the daylight sensor to control the light color temperature and / or the light color.

By adapting the street lighting device to the time of day, it can ensure increased safety on the road. In addition, energy can be saved if the light intensity is optimally adapted to the time of day.

Advantageously, the street lighting device comprises at least one motion sensor. The controller is designed based on an output signal of the motion sensor to control the light color temperature and / or the light color and / or the light intensity.

The street lighting device can respond optimally to the activity on the road or sidewalk. This energy can be saved by unnecessary lighting. In addition, with particularly high activity on the road (eg congestion) special warning or control signals can be realized by the street lighting device.

Advantageously, the street lighting device further comprises at least one time measuring device and / or at least one geographical position measuring device. The controller is designed to control the light color temperature and / or the light color and / or the light intensity based on the time of day and / or the geographical position.

Depending on the geographical location in which the street lighting device is installed or the time of day, different lighting may be necessary. In strong sunlight less light intensity is necessary, also different light color temperatures or light colors are better or less visible. The street lighting device can be made much more flexible, since it can be used in a variety of locations. In addition, energy can be saved by avoiding unnecessarily high light intensity or incorrect lighting.

Advantageously, the street lighting device further comprises at least one fog sensor. The controller is designed based on an output signal of the fog sensor to trigger a contrast-increasing color spectrum, for example, with a high yellow content.

The fog sensor ensures good visibility of the street lighting even in fog, thereby increasing road safety.

Advantageously, the street lighting device further comprises at least one moisture sensor for detecting the road condition. The controller is configured to select the light spectrum based on an output of the humidity sensor.

By recognizing whether the road condition is, for example, wet, snowy, dry, etc., different light spectrums can be used for street lighting. In this case, for example, with the street lighting device specifically pointed to a wet roadway, which significantly increases the safety of motorists. In addition, dry parts of the road can be expelled to ensure a smooth traffic. For different road conditions, for example, different illumination color temperatures and / or colors can be used.

Advantageously, the shaped brick of the street lighting device is cast uniformly from concrete and the electrical supply of the LEDs is integrated in the shaped brick.

If the shaped bricks are produced in this way as finished products and the electrical disposal of the LEDs is molded in, the street lighting according to the invention can be manufactured significantly less expensively and uniformly.

Overall, the above-mentioned embodiments of the street lighting device allow an extremely flexible manner of use. Installation without masts or piles can save costs and make roadside installation much easier. By using LEDs as bulbs, the energy consumption can be significantly reduced with constant light output. A pleasant lighting is guaranteed for both motorists and pedestrians. The street lighting device according to the invention is particularly well suited to increase the safety of pedestrians and drivers on the road.

The present invention will be explained in detail below with reference to the attached figures.

1 shows a roadway with sidewalk on which a first embodiment of the street lighting device according to the invention is installed.

2 shows the first embodiment of the street lighting device.

3 shows a second embodiment of the street lighting device.

4 shows a third further embodiment of the street lighting device.

5 shows a flowchart illustrating the control of the street lighting device.

6 shows a roadway with sidewalk on which a fourth embodiment of the street lighting device according to the invention is installed.

In 1 Figure 4 is an overview of the installation of a first embodiment of the present invention for illuminating a roadway 3 and an adjacent sidewalk 13 shown. The street lighting device according to the invention 100 includes a molded block 1 for sidewalks, on the edge of the carriageway 3 between roadway 3 and sidewalk 13 is arranged. The form stone 1 has at least one top 1a and a side surface 1b on. As a rule, a sidewalk 13 in relation to the roadway 3 slightly raised and the top 1a and the side surface 1b of the formstone 1 are at right angles to each other. Of course, the molded block 1 take any shape around the local lanes 3 and / or sidewalks 13 to meet. In 1 For example, a total of six of the street lighting devices according to the invention 100 displayed. There are three of the street lighting devices 100 on both sides of the roadway 3 arranged. The form stones 1 the street lighting device according to the invention 100 are for example each by a normal shaped block 1 spaced without lighting device. The arrangement of street lighting devices 100 However, it is freely selectable, that is, it can the street lighting devices 100 can also be strung together seamlessly or there may be larger distances between two street lighting devices 100 to get voted. The roadway 3 is in 1 for example, divided into two lanes, with the direction of travel 4 (here for example for right-hand traffic) is symbolized by the two arrows.

Every street lighting device 100 further comprises at least two light-emitting diodes 2 , LEDs, wherein at least one LED 2 on the side surface 1b of the formstone 1 and at least one LED 2 on the top 1a of the formstone 1 is arranged. In 1 has each street lighting device 100 exemplarily six LEDs 2 on, by way of example, four LEDs on the side surface 1b of the formstone 1 and by way of example two LEDs on the top 1a of the formstone 1 are arranged. The number of LEDs used 2 can be chosen as required.

The LEDs 2 are on the stone 1 the street lighting device 100 arranged so that they both the road surface 3 illuminate, as well as the surface of the sidewalk 13 illuminate. In 1 are with the dashed circles 14 the resulting illuminated areas of the road surface 3 , or with the circles 15 the illuminated areas of the sidewalk surface 13 characterized. Depending on the intensity of the LEDs 2 , additional optical elements (eg lenses or lenses) on the LEDs or mounting method of the LEDs 2 on the stone 1 For example, different light exit angles from the LEDs 2 may arise, the size, r length, brightness and / or homogeneity of the lighting of the illuminated areas 14 . 15 on the road surface 3 and the boron surface 13 vary. Ideally, the street lighting device becomes 100 designed so that the lighting meets local lighting standards for roads 3 and sidewalks 13 equivalent.

By the arrangement of the street lighting devices 100 between roadway 3 and sidewalk 13 a flexible lighting device is realized. There must be no additional Pylons or piles are placed on the roadside, which represent additional danger in the event of an accident. In addition, the light intensity can be reduced compared to lighting devices on tall masts by the proximity of the lighting device. In particular, through the use of LEDs 2 , energy can be saved. It will also be out 1 clearly visible as a clear demarcation between pavement 13 and roadway 3 through on the top 1a of the formstone 1 attached LEDs 2 is realized. This entails increased safety for both pedestrians and motorists.

To further increase safety, the LEDs will be lit. 2 on the side surface 1b of the form stones 1 aligned so that their radiation direction easily to the road surface 3 is inclined. Preferably, a radiation direction is additionally in the direction of travel 4 inclined to the vehicles. This avoids dazzling drivers. Due to the slight inclination of the LEDs 2 to the road surface 3 is an optimal illumination of the road 3 achieved. The light intensity can namely fully and completely for the illumination of the road surface 3 be exploited. Due to the inclination in the direction of travel 4 , the visual comfort for drivers is significantly increased. If the LEDs 2 against the driving direction 4 In addition, the risk of dazzling the driver can be further reduced.

2 shows an enlarged view of the first embodiment of the street lighting device according to the invention 100 , The form stone 1 is shown rectangular and rectangular. Depending on the circumstances of the curbs 13 in different places (eg in different countries), the shaped stones can 1 Of course, also round, oblique, pyramidal, or in any other for sidewalks 13 used form. The LEDs 2 are both on the top 1a , as well as on the side surface 1b of the formstone 1 arranged. The top 1a is defined by an area of the block parallel to the road surface 3 is aligned. The side surface 1b is defined by a surface adjacent to the top of the block and forms depending on the shape of the block with the top 1a an edge at a certain angle (in 2 the angle is 90 °, but can also be different). For round shaped bricks without edge becomes the top 1a defined as a plane leading to the road surface 3 is parallel and the side surface 1b through one to the top 1a defined vertical plane. In 2 Again, four LEDs are an example 2 on the side surface 1b and two LEDs 2 on the top 1a of the formstone 1 appropriate.

The LEDs 2 Can be applied in the molded block 1 be embedded and protected, for example with a transparent protective cover of external influences, such as dirt and moisture. For example. Can be applied to the LEDs or even over the entire surface of the molding stone coatings, for example dust-repellent coatings 100 . 101 be upset.

There may be provided heat transfer means which direct heat from the LEDs or their supply circuits targeted to the surface of the molded block, which has the added benefit of faster drying of this and / or defrosting of snow and ice result.

Due to their small size are LEDs 2 ideally suited for the present invention. The LEDs 2 Of course, they can also be outside on the side surface 1a and / or top 1b of the formstone 1 to sit. The LEDs 2 can be arranged rotatable, tiltable, displaceable and / or removable. This allows in particular the adjustment of the emission direction and an uncomplicated exchange in case of a defect of an LED 2 ,

As described above, the direction of emission of the LEDs is advantageously 2 on the side surface 1b of the formstone 1 easy to the road surface 3 inclined and in the direction of travel 4 inclined (as with the dashed lines 17 indicated). This can either be realized by the LEDs 2 be firmly aligned during manufacture in this advantageous position, or are flexibly adjustable by rotation and / or inclination. In particular, since some countries have left-sided and in some countries left-sided traffic, there is a flexible adaptation of the LEDs 2 especially advantageous. There are also conceivable situations in which the LEDs 2 on the side surface 1b of the formstone 1 for example, used as a warning signal to the driver, and the LEDs 2 but with their direction of radiation against the direction of travel 4 be twisted so as to better attract the attention of drivers. In this case, for example, the brightness and / or the color of the LEDs 2 be changed to reduce the risk of dazzling the driver. The LEDs 2 on the top 1a of the formstone 1 can also be tilted, rotated and / or tilted so that they cover the surface of the sidewalk 13 optimally illuminate.

The LEDs 2 can also have electrical leads, which are located inside the molded block 1 be energized. The power supply can be in every single block 1 sit and the LEDs 2 with alternating voltage (AC voltage), direct voltage (DC voltage) or emergency voltage supply. Ideally, for LEDs 2 a low voltage voltage used. In every stone 1 a driver circuit can be installed that contains the LEDs 2 operates. But it is also conceivable that there is a central power supply, for example, for an entire road section, the several shaped blocks 1 or LEDs 2 energized. The individual on the roadway 3 mounted street lighting devices 100 can go through the curb 13 be electrically connected to each other or connected to an additional electrical connection.

The power supply of the LEDs 2 can be done inductively. For example, central power supplies may be mounted at certain points along the roadside and one or more street lighting devices, respectively 100 Inductively and wirelessly provide power. In this case, voltage is induced via a coil in the power supply in a coil in the lighting device. The power supply can be controlled by a central control unit. This can, for. B. decide which street lighting devices are operated and which are not operated. This can ensure efficient energy use. In addition, so specific specific, z. B. particularly vulnerable, areas of a street are illuminated, and / or unused areas are left unlit.

In 3 is shown in a second embodiment of the present invention, such as an additional shading 12 in the direction of travel 4 on each of the LEDs 2 on the side surface 1b and the top 1a of the formstone 1 the street lighting device 100 is appropriate. The shading 12 serves to reduce the risk to the driver by glare on. The shading 12 can be z. B. outside of the molded block 1 be arranged and is in 3 shown as a rectangular plate. The shading 12 Of course, it can also be inside the formstone 1 sit, especially if the LEDs 2 in the form of stone 1 are admitted. The shading 12 may be rotatable and / or displaceable and / or tiltable to the strength of shading 12 and / or to set the shading angle freely. The shading 12 can also be operated electrically, if necessary in front of the LEDs 2 to be moved or if not required by the LEDs 2 to be moved away. This can be z. B. different seasons or seasons accordingly be necessary.

The shading 12 can additionally on the side, in the direction of travel 4 shows, to be reflective. As a result, the shaded light in the direction of travel 4 thrown back. This helps to ensure that the light output is used efficiently and also supports the beam angle of the LEDs 2 oriented in the direction of travel. By such a reflective shading 12 it is also possible without explicitly aligning the LEDs 2 in the direction of travel 4 and / or to the road surface 3 To deflect the direction of radiation advantageous to this effect. This allows the street lighting devices 100 can be made easier and standard, also can by means of shading 12 the emission characteristics of the LEDs 2 be flexibly adapted to local conditions.

The shading 12 may additionally be partially permeable and / or partially cause a light color to display, for example, the vehicle driver warning signals that do not dazzle the driver but still be perceived by him. In this case, the shading 12 also be designed so that it is electrically controllable to adjust the light transmission and / or other properties with respect to light color or tint. The power supply of such shading 12 can be just like the power supply of the LEDs 2 , which has been described above, be realized.

The LEDs 2 in the street lighting device 100 can be white and / or colored LEDs 2 be. White glowing LEDs 2 are preferable for the roadway lighting and can be either as an RGB module or a combination of colored LEDs 2 be realized with color changing phosphors. If RGB modules are used, the LEDs can 2 Also be controlled so that different colors are generated. This is how in 4 to see a controller 5 in a third embodiment of the street lighting device 100 available. The control 5 can either be inside the formstone 1 be attached or outside the form stone 1 be attached, but is always on the LEDs 2 connected. It is also conceivable that a centralized controller 5 for several street lighting devices 100 is used.

The control 5 the street lighting device 100 is designed to be the LEDs 2 to control, for example, the light color temperature and / or the light color and / or the light intensity of one or more LEDs 2 adjust. In street lighting devices 100 As in the present invention, it can be very advantageous to be able to set different light colors, light color temperatures and / or light intensities. Different light colors of the LEDs 2 can clarify different warning signals to drivers or pedestrians. For example, a red radiation signal danger, a yellow radiation special caution caution and a green radiation indicate a danger-free zone, in order to make traffic there more fluently.

Because in different countries different standards for the illumination of streets 3 and sidewalks 13 be made, it is advantageous, especially in white-lit LEDs 2 to be able to adjust the light color temperature. A setting for the intensity of the LEDs 2 allows the lighting of the streets 3 and sidewalks 13 to adapt to the day and / or season. This allows the energy to be used efficiently and unnecessary lighting is avoided.

Through the controller 5 It may also be possible different LEDs 2 in a street lighting device 100 or different to a unified control 5 connected street lighting devices 100 to be set with different light color temperatures and / or light colors and / or light intensities. As a result, for example, particularly vulnerable areas of the road 3 such as curves, bottlenecks or damaged lane parts. For pedestrians in particular dangerous crossings or exits can be highlighted. Due to the adjustable LEDs 2 on the top 1a of the formstone 1 a pedestrian control system can be realized, which significantly increases their safety. To the colors of the LEDs 2 To change, either RGB modules can be used and the individual colored LEDs can be targeted, or other color-changing methods are used.

The control of the light color temperature and / or the light color and / or the intensity of the LEDs 2 the lighting device by the controller 5 can continue through different sensors 6 . 7 . 9 . 10 . 11 get supported. In 4 is at least one sensor 6 . 7 . 9 . 10 . 11 to the controller 5 electrically connected. The sensor 6 . 7 . 9 . 10 . 11 can do this within the formstone 1 the street lighting device 100 sit or on its surface 1a to be appropriate. If he is inside the formstone 1 is attached, an opening to the outside can improve the sensor performance. The sensor can 6 . 7 . 9 . 10 . 11 protected against dirt and moisture by a suitable cover that does not affect the sensor performance. In addition, the street lighting device includes 100 in 4 a time measurement unit 8th , which is also electrically connected to the controller 5 connected.

The street lighting device 100 For example, a daylight sensor 6 include. Based on an output signal from the daylight sensor 6 can the controller 5 control the light color temperature and / or the light color and / or the light intensity. The daylight sensor 6 can distinguish between day and night and dusk, or even different between different seasons or seasons. Also, the daylight sensor 6 recognize the local external light influences of its immediate surroundings. The street lighting device 100 For example, it can be placed in the shade of a building or tree. Depending on the time of day, season and / or environment, the controller 5 optimally adjust the light color temperature and / or the light color and / or the light intensity. This can save energy and the lighting of the road surface 3 and the sidewalk 13 can be improved.

The street lighting device 100 can continue a motion sensor 7 include. The motion sensor 7 can the activity on the street 3 or the sidewalk 13 detect. Depending on the load of the road 3 can do the control 5 control the light color temperature and / or the light color and / or the light intensity. This can be advantageous, for example, to avoid congestion or accidents. With a lot of activity on the street 3 A warning color may be selected to warn the vehicle owner. Furthermore, it may be necessary, depending on traffic conditions, the intensity of the LEDs 2 to vary. A motion sensor 7 allows optimal energy utilization, especially in low-traffic roads. The motion sensor 7 may, for example, outside the lighting device at the beginning of a road 3 be installed, but with the controller 5 be connected to the lighting device. When activity is registered, the street lighting device becomes 100 activated and a lighting of the road surface 3 only if necessary.

With the timing device 8th In addition, the time of day and / or the season can be measured, and as with the daylight sensor 6 Based on this, the light color temperature and / or the light color and / or the light intensity of the control 5 to be controlled. The street lighting device may additionally comprise a geographical position measuring device 9 include. This geographic location measuring device 9 can be realized for example by a General Positioning System (GPS). Since different requirements for street lighting are set by respective standards in different countries, these can be automatically controlled by the controller 5 based on the geographical location of the street lighting device 100 be set. This allows the street lighting devices 100 be made uniform, without having to consider the later place of use before. This reduces the manufacturing costs. The control 5 may include a storage unit that stores certain settings for different locations, and with the help of the geographic location meter 9 the Required light color temperature and / or light color and / or light intensity sets.

The street lighting device 100 The present invention may include a fog sensor 10 include. The control 5 can be based on an output signal from the fog sensor 10 set a contrast-increasing color spectrum. For example, a color spectrum with high yellow content is particularly visible in fog. In addition, the light intensity of the LEDs 2 be adjusted depending on the visibility. Warning lights can also be switched on, for example, different colored LEDs 2 be used to warn in advance of emerging fog. The safety in traffic can be significantly increased.

Further improvement of road safety can be achieved when the street lighting devices 100 with a humidity sensor 11 equipped for detecting the road condition. The moisture sensor 11 can determine if the road surface 3 wet, snowy, dry etc. is. Based on the measurement result, an output signal is sent to the controller 5 sent, which then selects the optimal light spectrum. For example, colored lights may warn of wet lane locations.

In 5 is shown a simple flow chart showing the flow of interaction between sensor 6 . 7 . 9 . 10 . 11 and / or timing device 8th , Control 5 and LEDs 2 illustrated. In step S1, the sensor or the time measuring device is activated and performs a measurement. The result is read out and in step S2 as a signal to the controller 5 passed. The control 5 decides in step S2 whether a change has resulted to the last signal. If this is not the case, the controller stops 5 in step S3, the process. If a change has been detected, control in S4 determines how the change has occurred. This means, for example, when using multiple sensors 6 . 7 . 9 . 10 . 11 which sensor signal has changed and what this means. In this case, for example, an internal memory device can be used to take into account and / or compare previous events. In step S5, the controller decides 5 whether light color temperature, light color or light intensity or a combination of the three must be changed. In step S6, the controller controls 5 the LEDs 2 to perform the change to be made in step S5. The individual LEDs 2 or RGB modules are electrically controlled in order to achieve the desired change. Then the controller ends 5 the process and returns either directly to the initial step S1, if a continuous reading of the sensors is desired, or waits a predetermined time until a read-out of the sensors is to be performed. It is also conceivable that the sensors automatically detect a change and thus the procedure that is in 5 shown, trigger.

The street lighting devices 100 can with any, any combination, or all of the above sensors 6 . 7 . 9 . 10 . 11 and / or the time measuring unit 8th be equipped. Each individual street lighting device can have one or more of the sensors 6 . 7 . 9 . 10 . 11 or timing unit 8th include. Other, not mentioned here sensors, which can also be used advantageously, are also usable in addition.

Every street lighting device 100 can be their own sensors 6 . 7 . 9 . 10 . 11 or multiple street lighting devices may be interconnected and common sensors 6 . 7 . 9 . 10 . 11 or time measurement units 8th To fall back on. Advantageously, there is a central network to which the street lighting devices are connected. A central controller may be in addition to the controller 5 the individual street lighting devices connected to the central network. By such networking of the street lighting devices z. B. the road conditions or environmental conditions at a location by one or more of the said sensors 6 . 7 . 9 . 10 . 11 be detected and a corresponding adjustment of the light color temperature and / or the light color and / or the intensity of the LEDs 2 , can take place in another place. Thus, for example, by red warning LEDs 2 Be warned drivers early, that a danger point is ahead in the direction of travel. For example, traffic activities can also be measured and by a suitable selection of the spectrum of the LEDs 2 If necessary, the vehicles can be rerouted early. For example, certain branches may be illuminated green to indicate to the driver the optimal route. Other branches, which inevitably lead to a jam, z. B. be illuminated in red. A networking of street lighting devices 100 or the connection to a network, can also be used to advantage, defective LEDs 2 and / or controls 5 and / or sensors 6 . 7 . 9 . 10 . 11 and / or time measuring units 8th determine and replace promptly.

The street lighting device 100 is advantageously designed such that the molded block 1 is poured uniformly from concrete. Here is the electrical supply of the LEDs 2 preferably directly in the shaped brick 1 integrated. Through this Manufacturing as a finished product, in which all units of the street lighting device are integrated in one piece, an efficient production can be achieved.

In addition, the street lighting device 100 so easier to transport and easy to install and use for each buyer or user. Since all parts of the street lighting device 100 , especially the LEDs 2 have a long service life, fast defects are unlikely. This makes it possible uniform molded concrete blocks 1 with all elements of the street lighting device 100 to use. However, additional considerations can be made for each of the LEDs 2 the street lighting device 100 one or more spare LEDs 2 install. This is from the controller 5 only activated when a main LED is defective. This can also be done for the different sensors 6 . 7 . 9 . 10 . 11 or time measurement units 8th be performed. Because LEDs 2 are very inexpensive, there are no high additional costs and the life of the street lighting device 100 can be nearly doubled. Additionally built-in replacement LEDs 2 do not exceed the costs that can be saved if the street lighting device 100 is produced as a part integrated, in particular the molded block 1 with all the elements in its interior being uniformly cast from concrete, plastic or rubber material (or mixtures comprising one or more of these materials). Concrete is very resistant to external influences, so the integrated elements are very well protected. The LEDs 2 must of course, to the outside, from the side surface 1b and the top 1a concrete cast stone 1 , can shine out. These are open or covered openings for each LED 2 intended.

The LEDs 2 or the openings for LEDs are always shown in the attached figures as round.

Of course, the openings or the LEDs 2 take any shape. It can be made a rectangular, oval, latticed, or slot-like opening. In each case, suitable forms can be selected after knowledge of the external conditions and the place of installation.

Of course it is also conceivable the form stone 1 the street lighting device 100 made of materials other than concrete. It can be used plastics, while also a uniform casting is possible. Depending on the location in different countries, different material requirements may exist. In this case, the skilled person no restrictions imposed by the present invention. Made of plastic molded blocks 1 could have the advantage of having a lighter weight and thereby easier to be transported to particularly difficult to reach locations.

Depending on the roadway and sidewalk arrangement at the respective site of use of the street lighting devices according to the invention 100 can also measure the dimensions of the stones 1 the street lighting devices 100 vary. It is not absolutely necessary that, as exemplified in the attached figures, the molded block 1 higher than it is wide. Height and width can be in any relation to each other.

As a fourth embodiment of the above-described street lighting device 100 According to the present invention, it may also be conceivable to use a street lighting device 100 to produce a molded block 1 includes, the two side surfaces 1b and a top 1a having. A basic embodiment of such a street lighting device is in 6 shown. You can do this on the one side as well as on the other side 1b , as well as on the top 1a one or more LEDs 2 to be appropriate. Such a street lighting device 100 For example, it can be used as a boundary in the middle of a lane of opposite traffic or driving directions 4 be used. The LEDs 2 on one side surface 1b illuminate the road surface 3 in a direction of travel 4 , and are also advantageously in this direction 4 inclined as indicated by the sketched light cone in 6 is illustrated. The LEDs 2 on the other side surface 1b illuminate the road surface 3 on the side of the opposite direction of travel 4 and are advantageously in the opposite direction of travel 4 inclined. The LEDs 2 on the top 1a of the formstone 1 serve as a clear separation between the adjacent lanes 3 , The drivers are doing along their direction 4 and can detect narrow constrictions, bends or other dangerous spots from afar. Ideally, such a street lighting device 100 with two side surfaces 1b in the middle of the roadway 3 mounted, and a street lighting device as described above 100 with a side surface 1b on the respective sides of the lane at the border to the sidewalk 13 Installed. This creates a two-sided illumination of each of the road surfaces 3 in the two directions of travel 4 , whereby the illumination can be optimized. In addition, arises for every direction of travel 4 an illuminated guidance system that clearly identifies the respective traffic lane. The flexibility of the present invention thus develops its maximum effect. In addition, optimal safety and optimal lighting can be achieved through such a combination.

In summary, a street lighting device 100 described, which realizes numerous advantages. The street lighting device 100 is from a molded block 1 for sidewalks with at least one top 1a and at least one side surface 1b shaped. In addition, the street lighting device has at least one LED 2 on the side surface 1b of the formstone 1 and at least one LED 2 on the top 1a of the formstone 1 , Through flexible integration into sidewalks 13 At lane edges, a desired lighting of the road surface can 3 and the sidewalks 13 be achieved. Here, the entire length of the road surface 3 and the sidewalk surface 13 be lit or only parts of it illuminated.

By using LEDs 2 , which are particularly inexpensive to manufacture, and the avoidance of additionally erected on the roadside masts or piles or other conventional fixtures for lighting devices, a very cost street lighting can be realized. Through the use of LEDs 2 In addition, energy can be saved. In particular, because the LEDs 2 near the roadway 3 are arranged, due to small losses of the emitted light (ie light that does not hit the road 3 lit) the light intensity can not be set excessively high. Through a targeted control supported by one or more sensors 6 . 7 . 9 . 10 . 11 and / or time measuring units 8th An adaptive lighting can be designed with regard to the external conditions.

This can save more energy. The lighting quality of the road surface 3 and the sidewalk surface 13 does not suffer. By cleverly arranging the LEDs 2 , Adjusting their direction of radiation, and / or additional shading elements 12 , the comfort for vehicle owners and pedestrians in road traffic can be improved. A dazzling of the driver can be avoided and the traffic safety can be increased. The guidance system feature of the lighting device of the present invention can further improve traffic safety for both vehicle drivers and pedestrians.

Claims (15)

Street lighting device ( 100 ), comprising - a molded block ( 1 ) for sidewalks ( 13 ), which has at least one upper side ( 1a ) and at least one side surface ( 1b ), and - at least two light-emitting diodes ( 2 ), wherein at least one LED ( 2 ) on the side surface ( 1b ) and at least one LED ( 2 ) on the top ( 1a ) of the molded block ( 1 ) is arranged. Street lighting device ( 100 ) according to claim 1, wherein the number of LEDs ( 2 ) on the side surface ( 1b ) is greater than the number of LEDs ( 2 ) on the top ( 1a ) of the molded block ( 1 ). Street lighting device ( 100 ) according to claim 1 or 2, wherein the LEDs ( 2 ) on the side surface ( 1b ) are aligned in such a way that their emission direction is easy to the road surface ( 3 ) is inclined. Street lighting device ( 100 ) according to one of claims 1 to 3, wherein the LEDs ( 2 ) are aligned such that their direction of radiation in the direction of travel ( 4 ) of the vehicles is inclined. Street lighting device ( 100 ) according to one of claims 1 to 4, wherein the LEDs ( 2 ) against the driving direction ( 4 ) are shadowed. Street lighting device ( 100 ) according to one of claims 1 to 5, wherein the LEDs ( 2 ) white and / or colored LEDs ( 2 ) are. Street lighting device ( 100 ) according to one of claims 1 to 6, further comprising a controller ( 5 ), which is designed the LEDs ( 2 ) to adjust the light color temperature and / or the light color. Street lighting device ( 100 ) according to claim 7, further comprising at least one daylight sensor ( 6 ); where the controller ( 5 ) is based on an output signal of the daylight sensor ( 6 ) to control the light color temperature and / or the light color. Street lighting device ( 100 ) according to one of claims 7 or 8, further comprising at least one motion sensor ( 7 ); where the controller ( 5 ) is based on an output signal of the motion sensor ( 7 ) the Light color temperature and / or to control the light color. Street lighting device ( 100 ) according to one of claims 7 to 9, further comprising at least one time measuring device ( 8th ); and at least one geographic location measuring device ( 9 ); where the controller ( 5 ) is designed to control the light color temperature and / or the light color based on the time of day and / or the geographical position. Street lighting device ( 100 ) according to one of claims 7 to 10, further comprising at least one fog sensor ( 10 ); where the controller ( 5 ) is based on an output signal of the fog sensor ( 10 ) to control a contrast-increasing color spectrum, for example with a high yellow content. Street lighting device ( 100 ) according to one of claims 7 to 11, further comprising at least one moisture sensor ( 11 ) for detecting the road condition, comprises; where the controller ( 5 ) is based on an output signal of the humidity sensor ( 11 ) to select the light spectrum. Street lighting device ( 100 ) according to one of claims 1 to 12, wherein the molded block ( 1 Concrete plastic or rubber material or mixtures, which have one or more of these materials is cast and the electrical supply of the LEDs ( 2 ) in the shaped block ( 1 ) is integrated. Street lighting device ( 100 ) according to one of the preceding claims 1, comprising coatings, for example dust-repellent coatings ( 100 . 101 ) on one or more of the LEDs or over the entire surface of the block. Street lighting device ( 100 ) according to one of the preceding claims, comprising heat transfer means which direct heat from the LEDs or their supply circuits targeted to the surface of the molded block.

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