EP4158108A1 - Lighting system for road barriers - Google Patents

Lighting system for road barriers

Info

Publication number
EP4158108A1
EP4158108A1 EP21710355.5A EP21710355A EP4158108A1 EP 4158108 A1 EP4158108 A1 EP 4158108A1 EP 21710355 A EP21710355 A EP 21710355A EP 4158108 A1 EP4158108 A1 EP 4158108A1
Authority
EP
European Patent Office
Prior art keywords
lighting system
diffuser element
light radiation
profile
lighting device
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
EP21710355.5A
Other languages
German (de)
French (fr)
Inventor
Giuliano Faccin
Paolo GIRARDINI
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.)
Automatismi Beninca' SpA
Original Assignee
Automatismi Beninca' SpA
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 Automatismi Beninca' SpA filed Critical Automatismi Beninca' SpA
Publication of EP4158108A1 publication Critical patent/EP4158108A1/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates

Definitions

  • This invention relates generally to a lighting system for road barriers.
  • the invention relates to a lighting system applied to the rods of the road barriers, as well as to the part of the road barrier known as the "cap", which consists of the upper portion of the movement body of the barrier.
  • the illumination of the rod of an automatic road barrier is a very important factor because, in addition to characterising the system aesthetically, it performs a safety function by making the obstacle visible to those passing by; it can also perform the function of a traffic light with the use of RGB LEDs illuminated in red, green and yellow.
  • the currently known automatic barriers provide the illumination of the rod by a strip of LEDs located on both sides of the rod and/or a strip of LEDs on the upper part of the rod or the use of a fully illuminated rod.
  • the illumination is very punctiform, whereas in the case of a fully illuminated rod, the illumination is not uniform as it is more concentrated at the side of the movement body and then decreases towards the tip of the rod.
  • At least two LED strips are required along the entire length of the rod and/or translucent materials that are very expensive as compared to the entire structure.
  • LED strips contained in a diffuser ring below the body cover are also used to illuminate the "cap" of the barrier.
  • the aim of this invention is therefore to overcome the above-mentioned drawbacks by providing a lighting system for road barriers, which makes it possible to optimise lateral visibility, while simultaneously maintaining the lightness and mechanical resistance of the structure.
  • a further aim of this invention is to provide a lighting system for road barriers, which provides uniform illumination and minimises the overall dimensions, while also making access to the structure easy for the installer and/or maintenance technician.
  • a further aim of the invention is to make a lighting system for road barriers with a construction which is relatively simple, safe and reliable, using substantially known technologies and components which are relatively inexpensive.
  • FIG. 1 is a partial, enlarged front view of a non-limiting embodiment of a known road barrier
  • Figure 2 is a complete perspective view of the road barrier in Figure 1 ;
  • FIG. 3 is a sectional view of the rod of the road barrier in Figure 2, made according to this invention.
  • FIG. 4 is a partial longitudinal sectional view of an upper closing portion of the body connected to the rod in Figure 3, made according to this invention
  • FIG. 5 is an enlarged view of the diffuser profile used in the road barrier rod in Figure 3, according to this invention.
  • FIG. 6 is an enlarged plan view of the diffuser profile used in the road barrier body in Figure 4, according to the invention.
  • FIG. 7 is an enlarged longitudinal sectional view of the diffuser profile used in the road barrier body in Figure 4, according to this invention.
  • a road barrier substantially comprises a body 10, in which there are arranged the control and actuation devices for the movement of at least one rod 11 , which is hinged to the body 10 and is movable between at least one vertical position (for the passage through the opening of persons, vehicles, etc.) and at least one horizontal position, according to which the end of the rod 11 opposite to the body 10 is resting on a shaped support 12 (to prohibit persons, vehicles, etc. from passing through the opening).
  • the rod 11 has an extruded aluminium or pultruded carbon fibre or glass-resin profile 13.
  • a lighting device 15 is fixed to the lower portion of the profile 13, which may consist of a commercial LED strip or a printed circuit with LEDs made in a single piece or in several pieces.
  • the orientation of the LEDs of the lighting device 15 is perpendicular to the surfaces where the light is to be directed.
  • the LED strip is advantageously supported at regular intervals (the distance depending on the length of the rod 11 ) by means of plates 16 which act as clamps and which are tightened by means of screws and nuts 14 housed in special cavities, preferably shaped like dovetails, obtained in the profile 13. If the printed circuit is used, a series of holes will be drilled in the circuit, allowing it to be secured to the profile 13, again using screws and nuts housed in special cavities advantageously shaped as dovetails.
  • the fixing system of the LED strip or printed circuit can be obtained in various ways without affecting the overall lighting system; for example, it is possible to replace the screws and nuts 14 with self-drilling screws, without changing the overall performance of the lighting system.
  • a diffuser profile 17, attached to the profile 13 of the rod 11 which has specially shaped surfaces for deflecting the light radiation R emitted by the LEDs so as to optimise the brightness on both sides of the rod 11 ; this using only one LED strip or printed circuit with LEDs.
  • the unidirectional light radiation R encounters a first surface 18, which is internal to the profile 17, directly facing the radiation R and shaped to project a blade of light R1 towards the ground in order to obtain a step-marker light.
  • This mode which is optional for the lighting system according to the invention, gives the system an extra touch of elegance, but is not decisive for the efficiency of the lighting.
  • the surfaces 19 laterally to the first surface 18, specularly on either side of the diffuser profile 17, there is a series of internal surfaces 19, which are specially inclined to reflect the light laterally; in particular, the surfaces 19 have alternating vertical and inclined profiles so as to direct the light first vertically and then horizontally.
  • the internal surfaces 19 are connected to external surfaces 21 of the diffuser profile 17, which are equipped with alternating horizontal and inclined profiles adapted to concentrate the light R2 towards the observer.
  • the installer will only have to assemble one LED strip or printed circuit and one cover instead of two, and the downward positioning of the strip or printed circuit will protect the system from weather damage (rain, snow, hail) and UV deterioration.
  • the light projected in this way is not punctiform, rather much more diffused and directed towards the observer, and there is also a step-marker blade of light towards the ground.
  • the lighting system according to this invention is further complemented by a further diffuser profile for optimised light diffusion, which signals the presence of the body 10 on which the rod 11 of the barrier is hinged.
  • the body 10 has a cover or "cap" 22, which acts as an upper closure and can be made of various materials.
  • a lighting device 23 such as a commercial LED strip or LED board or a printed circuit with LEDs made in a single piece or in several pieces; the orientation of the individual light sources 24 (advantageously consisting of LEDs) is in any case perpendicular to the surfaces on which the light radiation is to be conveyed.
  • the lighting device 23 is fixed by means of clamps between the cover 22 and a diffuser profile 25, which allows the light to be deflected at 90° and directed outwards by means of specially shaped surfaces.
  • the diffuser profile 25 has a first series of surfaces 26 located inside the body 10, which have alternating vertical and inclined profiles, and a second series of surfaces 27 located near the external walls of the body 10 and specially shaped to reflect the light radiation outwards.
  • the unidirectional light radiation R emitted by the lighting device 24 is directed downwards and towards the internal surfaces 26, which have specially inclined profiles to reflect the radiation towards the shaped reflective surfaces 27, which allow the light F2 to be sent outwards.
  • the light reflected in this way is not punctiform, rather much more outwardly diffused.
  • the system described allows for greater uniformity of the light at the corners because when the LED strip is housed inside the cover of the body 10, which acts as a light diffuser (as provided in the background art), it is not possible to obtain radii that are too narrow and the different distance between the LED strip and the diffuser manifests itself in an illumination non-uniformity.
  • the LEDs can be installed at regular intervals along the entire structural profile of the body 10, achieving greater uniformity than the background art.
  • the lighting system according to this invention is particularly innovative and advantageous and achieves the intended aims by using shaped diffuser profiles 17 and 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

A lighting system for road barriers, comprising a road barrier formed by a body (10) and a rod (11 ), movable between a vertical and a horizontal position and having an extruded or pultruded profile (13) to which a lighting device (15) is fixed. Below the lighting device (15) is a diffuser element (17), which has an external surface (20) adapted to diffuse the light radiation (R) inside the diffuser element (17), and a series of internal surfaces (19) placed specularly on either side of the diffuser element (17). The internal surfaces (19) have profiles arranged alternately in vertical and inclined directions so that the light radiation (R) is sent laterally to the diffuser element (17).

Description

LIGHTING SYSTEM FOR ROAD BARRIERS
This invention relates generally to a lighting system for road barriers.
More particularly, the invention relates to a lighting system applied to the rods of the road barriers, as well as to the part of the road barrier known as the "cap", which consists of the upper portion of the movement body of the barrier.
The illumination of the rod of an automatic road barrier is a very important factor because, in addition to characterising the system aesthetically, it performs a safety function by making the obstacle visible to those passing by; it can also perform the function of a traffic light with the use of RGB LEDs illuminated in red, green and yellow.
The illumination of the upper part of the body, which contains the circuits and actuators for moving the road barrier rod, known as the "cap", has also been given a strong boost in recent years and in most cases, has replaced the flashing light; sometimes it can also perform the function of a traffic light with the use of RGB LEDs illuminated in red, green or yellow.
The currently known automatic barriers provide the illumination of the rod by a strip of LEDs located on both sides of the rod and/or a strip of LEDs on the upper part of the rod or the use of a fully illuminated rod.
The types of lighting described above have significant aesthetic, economic and functional limitations.
In fact, when an LED strip is used (on both sides or on the upper part of the barrier), the illumination is very punctiform, whereas in the case of a fully illuminated rod, the illumination is not uniform as it is more concentrated at the side of the movement body and then decreases towards the tip of the rod.
In addition, at least two LED strips are required along the entire length of the rod and/or translucent materials that are very expensive as compared to the entire structure.
Finally, from a functional point of view, the use of two LED strips makes the structure heavy and, as is well known, weight in these types of automation is a very important factor as increased speeds are normally involved, just as the use of LEDs pointing upwards does not optimise lateral visibility, which is important for obvious reasons. In addition, the material used in the fully illuminated rod has much lower mechanical strength values than the material used for the rest of the structure (which is usually aluminium), which may preclude its use in certain applications or environments.
LED strips contained in a diffuser ring below the body cover are also used to illuminate the "cap" of the barrier.
However, even this type of lighting has considerable limitations, both aesthetic and practical. First of all, the LEDs oriented directly towards the observer give rise to a very punctiform light; moreover, the LED strip produces non-negligible overall dimensions towards the inside of the body where the electronic control and movement circuits are usually housed, thus forcing manufacturers to increase the size of the structure, with all the consequences of the case, and/or making it more difficult for the installer or maintenance technician to access the control unit for the necessary wiring and settings.
The aim of this invention is therefore to overcome the above-mentioned drawbacks by providing a lighting system for road barriers, which makes it possible to optimise lateral visibility, while simultaneously maintaining the lightness and mechanical resistance of the structure.
A further aim of this invention is to provide a lighting system for road barriers, which provides uniform illumination and minimises the overall dimensions, while also making access to the structure easy for the installer and/or maintenance technician.
A further aim of the invention is to make a lighting system for road barriers with a construction which is relatively simple, safe and reliable, using substantially known technologies and components which are relatively inexpensive. These and other aims according to this invention are achieved by providing a lighting system for road barriers according to appended claim 1 ; further detailed technical features are provided in the following dependent claims. Further aims and advantages of a lighting system for road barriers according to the invention will more fully emerge from the description which follows of a non-limiting example, referred to the accompanying schematic drawings, in which:
- Figure 1 is a partial, enlarged front view of a non-limiting embodiment of a known road barrier;
- Figure 2 is a complete perspective view of the road barrier in Figure 1 ;
- Figure 3 is a sectional view of the rod of the road barrier in Figure 2, made according to this invention;
- Figure 4 is a partial longitudinal sectional view of an upper closing portion of the body connected to the rod in Figure 3, made according to this invention;
- Figure 5 is an enlarged view of the diffuser profile used in the road barrier rod in Figure 3, according to this invention;
- Figure 6 is an enlarged plan view of the diffuser profile used in the road barrier body in Figure 4, according to the invention;
- Figure 7 is an enlarged longitudinal sectional view of the diffuser profile used in the road barrier body in Figure 4, according to this invention.
With reference to the above-mentioned figures, a road barrier substantially comprises a body 10, in which there are arranged the control and actuation devices for the movement of at least one rod 11 , which is hinged to the body 10 and is movable between at least one vertical position (for the passage through the opening of persons, vehicles, etc.) and at least one horizontal position, according to which the end of the rod 11 opposite to the body 10 is resting on a shaped support 12 (to prohibit persons, vehicles, etc. from passing through the opening).
Advantageously, according to this invention, the rod 11 has an extruded aluminium or pultruded carbon fibre or glass-resin profile 13. Advantageously, a lighting device 15 is fixed to the lower portion of the profile 13, which may consist of a commercial LED strip or a printed circuit with LEDs made in a single piece or in several pieces.
In any case, the orientation of the LEDs of the lighting device 15 is perpendicular to the surfaces where the light is to be directed.
The LED strip is advantageously supported at regular intervals (the distance depending on the length of the rod 11 ) by means of plates 16 which act as clamps and which are tightened by means of screws and nuts 14 housed in special cavities, preferably shaped like dovetails, obtained in the profile 13. If the printed circuit is used, a series of holes will be drilled in the circuit, allowing it to be secured to the profile 13, again using screws and nuts housed in special cavities advantageously shaped as dovetails.
In any case, the fixing system of the LED strip or printed circuit can be obtained in various ways without affecting the overall lighting system; for example, it is possible to replace the screws and nuts 14 with self-drilling screws, without changing the overall performance of the lighting system. Positioned below the lighting device 15 is a diffuser profile 17, attached to the profile 13 of the rod 11 , which has specially shaped surfaces for deflecting the light radiation R emitted by the LEDs so as to optimise the brightness on both sides of the rod 11 ; this using only one LED strip or printed circuit with LEDs.
In particular, according to non-limiting embodiments, after having been diffused by the external diffusing surface 20 of the diffuser profile 17, the unidirectional light radiation R encounters a first surface 18, which is internal to the profile 17, directly facing the radiation R and shaped to project a blade of light R1 towards the ground in order to obtain a step-marker light.
This mode, which is optional for the lighting system according to the invention, gives the system an extra touch of elegance, but is not decisive for the efficiency of the lighting.
In addition, laterally to the first surface 18, specularly on either side of the diffuser profile 17, there is a series of internal surfaces 19, which are specially inclined to reflect the light laterally; in particular, the surfaces 19 have alternating vertical and inclined profiles so as to direct the light first vertically and then horizontally.
Additionally and advantageously, the internal surfaces 19 are connected to external surfaces 21 of the diffuser profile 17, which are equipped with alternating horizontal and inclined profiles adapted to concentrate the light R2 towards the observer.
In this way, it is possible to optimise the brightness on both sides of the rod 11 by using a single LED strip or LED printed circuit.
As a result, the installer will only have to assemble one LED strip or printed circuit and one cover instead of two, and the downward positioning of the strip or printed circuit will protect the system from weather damage (rain, snow, hail) and UV deterioration.
This makes it possible to create a lighter structure, with all the subsequent inertial advantages, especially bearing in mind that the market demand is for increasingly faster openings.
Finally, the light projected in this way is not punctiform, rather much more diffused and directed towards the observer, and there is also a step-marker blade of light towards the ground.
The lighting system according to this invention is further complemented by a further diffuser profile for optimised light diffusion, which signals the presence of the body 10 on which the rod 11 of the barrier is hinged.
In particular, the body 10 has a cover or "cap" 22, which acts as an upper closure and can be made of various materials.
Inside the cover 22 is a lighting device 23, such as a commercial LED strip or LED board or a printed circuit with LEDs made in a single piece or in several pieces; the orientation of the individual light sources 24 (advantageously consisting of LEDs) is in any case perpendicular to the surfaces on which the light radiation is to be conveyed.
The lighting device 23 is fixed by means of clamps between the cover 22 and a diffuser profile 25, which allows the light to be deflected at 90° and directed outwards by means of specially shaped surfaces.
In particular, the diffuser profile 25 has a first series of surfaces 26 located inside the body 10, which have alternating vertical and inclined profiles, and a second series of surfaces 27 located near the external walls of the body 10 and specially shaped to reflect the light radiation outwards.
Specifically, the unidirectional light radiation R emitted by the lighting device 24 is directed downwards and towards the internal surfaces 26, which have specially inclined profiles to reflect the radiation towards the shaped reflective surfaces 27, which allow the light F2 to be sent outwards.
The light reflected in this way is not punctiform, rather much more outwardly diffused.
In addition, the system described allows for greater uniformity of the light at the corners because when the LED strip is housed inside the cover of the body 10, which acts as a light diffuser (as provided in the background art), it is not possible to obtain radii that are too narrow and the different distance between the LED strip and the diffuser manifests itself in an illumination non-uniformity. In the system described however, the LEDs can be installed at regular intervals along the entire structural profile of the body 10, achieving greater uniformity than the background art. In practice, it has been found that the lighting system according to this invention is particularly innovative and advantageous and achieves the intended aims by using shaped diffuser profiles 17 and 25.
The features of the lighting system the object of the invention clearly emerge from the description, as do the advantages thereof. Lastly, it is clear that numerous other variants might be made to the lighting system in question, without thereby departing from the scope of the invention as expressed in the accompanying claims.

Claims

1 . Lighting system for road barriers, comprising a road barrier composed substantially of a body (10), inside which control and actuation devices are arranged for moving at least one rod (11 ) which is hinged to said body (10) and which is movable between at least one vertical position and at least one horizontal position, wherein said at least one rod (11 ) has an extruded or pultruded profile (13) to which a first lighting device is fixed (15), so that the light radiation emitted by said first lighting device (15) is directed towards a direction perpendicular with respect to the surface on which said light radiation is conveyed, characterized in that a first diffuser element (17) is positioned below said first lighting device (15), said diffuser element (17) being connected to said profile (13) of the rod (11 ) and having a first external surface (20) which diffuses said light radiation (R) emitted by the lighting device (15) inside said first diffuser element (17), and a series of internal surfaces (19), placed specularly on one side and the other of said first diffuser element (17), said series of internal surfaces (19) having profiles arranged alternately along vertical and inclined directions, so as to send the light radiation (R) laterally with respect to said first diffuser element (17).
2. Lighting system as claimed in claim 1 , characterized in that said internal surfaces (19) of said first diffuser element (17) are connected to second external surfaces (21) which have profiles arranged alternately along horizontal and inclined directions, so as to concentrate the light radiation (R2) towards an external observer.
3. Lighting system as claimed in at least one of the preceding claims, characterized in that said first diffuser element (17) has an internal surface (18) facing said first external surface (20) and shaped to project a blade of light (R1 ) towards the ground.
4. Lighting system as claimed in at least one of the preceding claims, characterized in that said profile (13) is an extruded aluminum profile or a pultruded carbon fiber or glass-resin profile.
5. Lighting system as claimed in at least one of the preceding claims, characterized in that said lighting device (15) includes a LED strip or a printed circuit with LEDs made in a single piece or in portions.
6. Lighting system as claimed in claim 5, characterized in that said LED strip or said printed circuit are supported, at regular intervals, by fixing means (14, 16) housed in cavities of said profile (13) that are preferably shaped as a tail swallow.
7. Lighting system as at least one of the preceding claims, characterized in that said body (10) has a cover (22), inside which there is a second lighting device (23).
8. Lighting system as claimed in claim 7, characterized in that said second lighting device (23) is fixed, by means of clamps, between said cover (22) and a second diffuser element (25).
9. Lighting system as claimed in claim 8, characterized in that said second diffuser element (25) has a first series of surfaces (26) internal to said body (10) with profiles arranged alternately along vertical and inclined directions, and a second series of shaped reflective surfaces (27) placed near the external walls of said body (10) and configured to refract the light radiation (R) outside the body (10).
10. Lighting system as claimed in claim 9, characterized in that said surfaces (26) internal to said body (10) have inclined profiles, that are able to reflect said light radiation (R) towards said shaped reflective surfaces (27).
EP21710355.5A 2020-05-28 2021-02-17 Lighting system for road barriers Pending EP4158108A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102020000012703A IT202000012703A1 (en) 2020-05-28 2020-05-28 LIGHTING SYSTEM FOR ROAD BARRIERS
PCT/IT2021/050034 WO2021240561A1 (en) 2020-05-28 2021-02-17 Lighting system for road barriers

Publications (1)

Publication Number Publication Date
EP4158108A1 true EP4158108A1 (en) 2023-04-05

Family

ID=72178977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21710355.5A Pending EP4158108A1 (en) 2020-05-28 2021-02-17 Lighting system for road barriers

Country Status (3)

Country Link
EP (1) EP4158108A1 (en)
IT (1) IT202000012703A1 (en)
WO (1) WO2021240561A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202023102393U1 (en) 2023-05-03 2023-06-14 Magnetic Autocontrol GmbH Barrier boom for a barrier system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6487818B1 (en) * 2001-06-01 2002-12-03 Amano Cincinnati, Inc. Lighted parking gate
KR100915186B1 (en) * 2009-04-16 2009-09-02 주식회사 대영산전 Safety bar
KR20130012677A (en) * 2011-07-26 2013-02-05 대경전자기업(주) Light emitting barrier for vehicle access gate
US9273435B2 (en) * 2012-06-01 2016-03-01 GateArm Technologies, Inc. Vehicle barrier system with illuminating gate arm

Also Published As

Publication number Publication date
WO2021240561A1 (en) 2021-12-02
IT202000012703A1 (en) 2021-11-28

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Inventor name: FACCIN, GIULIANO