![]() System and autonomous road detection and signaling device (Machine-translation by Google Translate,
专利摘要:
System and autonomous road detection and signaling device, aimed at forming a visual warning barrier especially applicable to the field of road safety. The system comprises several autonomous devices (2) arranged on a track (3), each autonomous device (2) comprising a control unit (11); a detection unit (10) with a proximity sensor (5) for detecting pedestrians (8) in a detection area (4); a light signaling unit (6) oriented towards the vehicles (7) approaching via track (3); a wireless communication module (12); and a power supply and storage unit. The control unit (11) is configured so as to detect a pedestrian (8) made by the autonomous device (2) itself, activate the light signaling unit (6) and wirelessly communicate said detection to the rest of the autonomous devices (two); and before the detection of a pedestrian (8) made by another autonomous device (2), activate the light signaling unit (6). (Machine-translation by Google Translate, not legally binding) 公开号:ES2663655A1 申请号:ES201600768 申请日:2016-09-14 公开日:2018-04-16 发明作者:Tomas De Jesús MATEO SANGUINO;Miguel Angel RODRIGUEZ ROMAN;Jose Manuel LOZANO DOMINGUEZ 申请人:Universidad de Huelva; IPC主号:
专利说明:
SYSTEM AND AUTONOMOUS DETECTION AND ROAD SIGNALING DEVICE DESCRIPTION 5 FIELD OF THE INVENTION The present invention is framed in the field of road safety in terms of transport, telecommunications and other infrastructures, the essential technology that facilitates it included in the field of electronic and communications technologies. The classification according to UNESCO nomenclature includes codes 3307 10 (Electronic Technology), 3327 (Transport Systems Technology) and 3329 (Urban Planning). BACKGROUND OF THE INVENTION Road markings of the roadway such as those present in the steps enabled for the crosswalk, whether horizontal or vertical, are sometimes not 100% visible due to different factors: 1) poor road maintenance (eg, lines that delimit it blurred by the passage of vehicles),; 1) obstruction of vertical signs (eg, trees, large objects, etc.) or ¡,) poor conditions from the surroundings (eg, rain, fog, night, glare from the Sun, etc.), 20 among other reasons. These problems are also extended to other scenarios such as the intersection between streets, access to garages in residential or commercial areas, and the steps without barriers, among others. Specifically in the field of crosswalks, in the state of the art there are 25 different solutions with the common objective of reducing the number of abuses. These solutions are divided into: a) devices on board vehicles and b) devices located on the road. The devices included in the first group are aimed at active pedestrian detection to alert the driver. However, they require the collaboration of the automobile industry to standardize and implement systems on board more or less expensive and represent personal devices not available to all users. That is, the system belongs to the owner of the vehicle and is not permanently available on public roads for intensive use. The second group presents very different concepts in terms of installation, size and functions. 35 2Document ES 1 034252-U describes a road signpost formed by a layered mast with a luminous traffic canopy over a zebra crossing that incorporates spotlights facing the pavement on its underside to improve the viewing conditions of drivers and pedestrians, fed entirely through the power supply 5. In document ES1060684-U, a section of elevated road marking is detailed above the level of the trapezoidal-shaped roadway that contains passive luminous elements such as small bulbs, LEOs or fiber optics that adjust day / night lighting by means of sensors ambient light Document ES1067629-U describes a pedestrian crossing indicating device by means of a traffic light signal on a vertical mast fitted to the ground and a horizontal light band transverse to the track, preferably based on LEOs. The mast 15 equips short and long range optical sensors to detect the presence of pedestrians and vehicles, respectively. Document ES2311398-A1 describes an electrical installation with several photoelectric emitters / receivers placed on the sidewalk by means of fixed vertical supports 20 that detect the presence of pedestrians who are preparing to cross the road and activate light terminals located on the periphery of the passage of zebra and vertical light signals located on the sidewalk. In document ES2321794-A1 a section of overpass is described above the level of the roadway, as a trapezoidal relief, where the road signaling is made based on electro-light diodes that are activated by detecting the presence of pedestrians in pressure zones located in the accesses. Through the invention described in OE202004006444 a device is disclosed with the aim of protecting pedestrian crossings thanks to witnesses located on the sidewalks, where said device contains sensors for the presence of pedestrians and vehicles that activate the warning lights in case detection. Document US7317405-B2 details a 35-pedestrian step alert system consisting of a mast on the sidewalk comprising flashing lights, including solar cells on the mast as a means of feeding, communication 3wireless as a means of synchronizing the signaling with the opposite mast and where the activating element is a mechanical switch operated by the pedestrian. Therefore, many of the devices of the state of the art employ a presence sensor 5 located on the sidewalk, normally mounted on vertical traffic signals, which detects the passage of pedestrians or vehicles, and a set of LEOs located on the roadway that They are activated by the presence sensor. The state-of-the-art devices have the following disadvantages: 10 -They employ large infrastructures such as canopies, projections or traffic panels placed on public roads that pose an impact and an obstacle for pedestrians and / or vehicles. -Require civil works on the road or sidewalk, which is a high cost when you need construction machines. 15 -The devices that have physical wiring for the electrical supply or control are not autonomous and also involve an energy cost. -The devices that have presence sensors, both on the sidewalk and on the road, perform an activation of the "all / nothing" lighting system. That is, they activate all the lighting depending on whether "there is / there is no" object present without discerning whether the object in question is a pedestrian or vehicle, so that the activation is not intelligent giving rise to false positives. BRIEF DESCRIPTION OF THE INVENTION The present invention relates to a system and an autonomous device for detecting 25 objects and active signaling especially applicable to the field of road safety. The objective of the system is to interact with the environment to generate visual alerts in the presence of a pedestrian over a zebra crossing, distinguish this from the vehicles that circulate on the road, form a light visual barrier and thus reduce the accident rate on public roads . The road detection and signaling system of the present invention comprises a plurality of autonomous devices arranged on a track, where each autonomous device comprises a control unit; a detection unit with at least one proximity sensor to detect pedestrians in a detection area; a light signaling unit with at least one light emitting element oriented towards the 4vehicles approaching on the road; a wireless communications module configured to communicate with the other autonomous devices of the system; and a power supply and storage unit. 5 The control unit is configured so that, when a pedestrian is detected by the autonomous device itself, activate the light signaling unit and wirelessly communicate said detection to the rest of the autonomous devices. When a pedestrian is detected by another autonomous device, the control unit is configured to activate the light signaling unit. 10 In one embodiment the autonomous devices are disposed on a one-way track aligned at one end of a crosswalk to form a visual warning barrier to vehicles approaching the crosswalk. In another embodiment, the autonomous devices are located in the interior area of a crosswalk covering their detection areas the entire width of the road. In another possible embodiment, the autonomous devices are arranged on a two-way road, forming a double visual barrier on both sides of a pedestrian crossing 20 to lightly warn vehicles approaching each direction of the road. 25 Autonomous devices can also be arranged in a path at the exit of a garage, longitudinally aligned with the garage door to form a visual warning barrier to vehicles leaving the garage. The control units of the autonomous devices are preferably configured to, based on the measurements made by the proximity sensors, both of the device itself and of the neighboring devices, differentiate between pedestrians and vehicles, to activate the light signaling unit only when The detected object 30 is a pedestrian and not a vehicle. In a preferred embodiment the detection units of the autonomous devices comprise ultrasound-based pedestrian proximity sensors oriented towards pedestrian traffic. The detection units of the autonomous devices may further comprise 5vehicle proximity sensors. The control units are configured to, using the information provided by ultrasound-based pedestrian proximity sensors and vehicle proximity sensors, differentiate between pedestrians and vehicles to activate the light signaling unit only when the object detected is treated of a pedestrian and not of a vehicle. 10 15 Vehicle proximity sensors may comprise magnetic field variation transducers oriented on three axes and / or RADAR type detectors oriented towards the direction of arrival of the vehicles. To differentiate between pedestrians and vehicles, the control units may be configured to apply fuzzy logic rules on the information provided by both the pedestrian and vehicle proximity sensors of the same autonomous device and from different autonomous devices. The stand-alone devices are preferably configured to connect to each other via a wireless local or personal area network. In this case, one of the autonomous devices of the system can be configured to act, within the wireless network, as an access point or master with the function of managing and controlling the 20 operations in the network, while the rest of autonomous devices The system can be configured to act as clients or slaves so that when one of them detects a pedestrian, it emits a broadcast message to the rest of the autonomous devices through the wireless network. The light signaling unit preferably comprises a plurality of LEOs or electroluminescent elements. The power supply and storage unit may comprise at least one solar cell and at least one rechargeable battery. In a preferred embodiment each autonomous device comprises a trapezoidal housing 30. Openings are preferably arranged on the side walls of the housing where ultrasound proximity sensors are housed on one side and the light emitters of the light signaling unit are on the opposite side. The side walls of the housing preferably have an angle of attack with respect to the horizontal between 15 ° and 45 ° to facilitate the passage of vehicles. The housing can be protected on its upper face with at least one tempered glass protection, under which one or more solar cells are housed. 6The autonomous devices can be installed on the track by means of adapters, adherent fasteners or mechanical anchorage. Another aspect of the present invention relates to an autonomous road detection and signaling device, adapted for its arrangement on a track. The autonomous device comprises a detection unit with at least one proximity sensor to detect pedestrians in a detection area; a light signaling unit with at least one light emitting element; a power supply and storage unit; and a control unit configured for activating the light signaling unit upon detection of a pedestrian. The autonomous device preferably comprises a wireless communications module configured to communicate with other autonomous devices. In this case, the control unit is configured to send a pedestrian detection message wirelessly when a pedestrian is detected by the detection unit itself; and upon wireless reception of a pedestrian detection message from another autonomous device, activate the light signaling unit. The autonomous device may include the other features mentioned above 20 for the autonomous devices of the road detection and signaling system. The road detection and signaling system has several innovative features: -Independent, as it does not require an external physical connection with a power supply, an external control unit or an external data unit. 25 -Formed by autonomous modular devices, adapting to any width, shape and type of track. -Small size, which has a minimal impact on the environment and users. -Posted on the road, which does not require public works for installation. 30 -Low cost of realization and energy independence, which enables efficient and responsible deployment on the roads. -Intelligent, to differentiate between pedestrians and vehicles, offering a selective activation that inhibits signaling depending on the situation. In accordance with the present invention, the system is formed by a set of autonomous devices that, although physically independent in that no.There is a connection between them (eg, data cabling, control or power supply), they work in harmony both to perform the detection by integrating sensors from different devices and to show the light indication, exerting an interactive visual barrier effect of road signs. In addition to its preferred application for pedestrian crossings, its use scenario is extended to steps without barriers, intersections between streets, as well as garage accesses in residential and / or commercial areas, among others. That is, their interaction includes the vehicle-pedestrian relationship. The present invention has proximity sensors that, unlike the presence sensors used in some of the current road signaling systems and that provide an "all / nothing" type signal, provide a magnitude proportional to the distance. This allows an analysis of the proximity of the objects as a function of time, which offers greater operating capacity than with 15 conventional presence sensors where it is only determined whether or not there is an obstacle. The greater capacity of operation allows to locate the sensors of detection not only in the sidewalk, as it happens in the present systems of the state of the art, but also in the same route along the crosswalk. The use of rules based on fuzzy logic and other coordinated computational intelligence techniques applied to the 20 proximity sensors of the same device, and to the information coming from different devices, allows to improve the precision of the measurements and to discern between vehicles and people to activate the visual barrier of road marking of the zebra crossing only when the object is a pedestrian and not a vehicle. Computational intelligence takes into account the temporal variable in addition to the instantaneous measures 25 to determine the different possible situations in a zebra crossing based on speed and distance (eg, parked cars, fixed objects, pedestrians crossing diagonally , bicycles, etc.). Specifically, the proposed smart device can be made by combining proximity sensors based on ultrasound and magnetic field variation; the first is able to detect both obstacles 30 while the second only detects metallic bodies typical of the vehicles that circulate on the road. The set of fuzzy rules and computational intelligence within and between devices will determine when the present object is a vehicle or a pedestrian. This capability can also be complemented by proximity sensors based on RADAR oriented towards the direction of arrival of the vehicles that provide signals 35 proportional to the distance, speed and wingspan of the object, which allows to distinguish their nature by differentiating between non-metallic (or based) vehicles in metals 85 10 15 non-ferrous) of other vehicles and pedestrians (regardless of whether the pedestrian enters the sidewalk or through an intermediate position of the same as when crossing diagonally). When the system detects that the approaching object is a vehicle, it inhibits the visual signaling barrier. Each autonomous device that makes up the visual barrier comprises a detection unit, a signaling unit, a control unit, a real time unit, a data storage unit, and a power supply and storage unit. The signaling unit comprises a plurality of high brightness light emitters or electroluminescent material that alerts people (drivers or pedestrians as the case may be) by means of fixed or intermittent activations, using low consumption strategies managed by the control unit. The control unit is preferably based on microcontroller, with integrated wireless communication module or not, being responsible for processing the data and carrying out communication with the peripherals. To do this, the devices connect to each other via a wireless local area network (WLAN) or personal area network (WPAN) 20 with radio frequency (RF) technology. One of the devices has the role of access point (AP) or master, whose function is to manage and control network operations. The rest are clients or slaves in such a way that when one of them detects a pedestrian, it emits a broadcast message to the rest of the devices through the network. Said intercom system therefore has the function of synchronizing the visual signaling barrier 25 between devices. The smart device can be connected to mobile terminals for both its initial configuration and to interact with them, thus providing status and / or proximity information to pedestrians or vehicles located nearby. 30 The real time unit is in charge of offering a date and time stamp for all the actions carried out on the device. The data storage unit preferably consists of solid state memory and allows expanding the ability to store information with the objective of implementing a local database on the device itself. 95 The power unit is based on one or more solar cells connected to the energy storage unit, which comprises one or more rechargeable batteries that provides autonomy to the device through electronics preferably based on a charging element. All the electronics of the autonomous device that makes up the visual barrier are contained in a single housing, as a beacon, with high-strength material (eg, metal, plastic or ceramic) protected with tempered glass of high hardness with a thickness sufficient to support the weight in compression of large heavy vehicles, 10 fulfilling a sufficient degree of protection from the weather (eg, dust, salt, water) and being able to be fixed on the road by horizontal or vertical adapters, adherent elements (p eg, hot tar or thermosetting polymer that hardens when mixed with a catalyst agent) or mechanical anchoring by screws. The device has a suitable height, profile and anti-skid capacity to facilitate the passage of vehicles shot on urban roads and crossings. The complete road detection and signaling system consists of a variable number of autonomous devices depending on the topology of the place (width, shape and type of road). Said autonomous devices are located transversely to the road; In the case of pedestrian crossings, they are located longitudinally in the limits or in their interior area until they cover the total width of the road, spaced several centimeters apart so that each one covers a sector. Each autonomous device has one or more proximity sensors oriented towards the object to be detected (eg, ultrasound in the case of pedestrians and variation of the magnetic field or RADAR in the case of vehicles) and a light signaling element oriented towards the object to alert (e.g., approaching vehicles). Thus, it is possible to detect the position of a pedestrian both when entering the zebra crossing through the access areas enabled from the sidewalk and in an external and immediate position thereto. As an example, when the detection unit perceives the approach movement of a pedestrian, the control unit 30 activates the signaling, which is picked up by the conductors and perceived along the crosswalk as an alert light barrier . DESCRIPTION OF THE FIGURES The drawings that accompany this document and that help to better understand the invention are described below, expressly relating to apreferred embodiment thereof, which is presented as a non-limiting example of this. Figure 1 shows a schematic perspective view of an example of a 5-way pedestrian crossing, not regulated by traffic lights, where the autonomous devices that make up the system of the invention are aligned in the limits of the zebra crossing. Figure 2 shows a schematic perspective view of an example of a 10-way pedestrian crossing, not regulated by traffic lights, where the autonomous devices that make up the system of the invention are located in the inner zone of the zebra crossing. Figure 3 shows a schematic perspective view of an example of a 15-way pedestrian crossing, regulated by traffic lights, where the autonomous devices that make up the system of the invention are aligned opposite the boundaries of the zebra crossing. Figure 4 shows a schematic perspective view of an example of a pedestrian 20 crossing in front of a residential or commercial garage, where the autonomous devices that make up the system of the invention are in the track longitudinally aligned to the garage door. Figure 5 shows a general scheme of an autonomous device comprising the system of the invention, where the main hardware type elements and their connections are indicated. Figure 6A shows a complete elevation view of the autonomous device comprising the system of the invention, sectioned by a vertical plane in which the arrangement of the hardware elements according to a preferred embodiment of Figure 5 can be observed. Figure 68 shows a sectioned profile view of an alternative embodiment of the device. Figure 7 shows a plan view of the autonomous device comprising the system of the invention, provided with a plurality of tempered glass protections in 11its upper face and holes for both the proximity detection unit and the signaling unit according to a preferred embodiment of Figure 5. DETAILED DESCRIPTION OF THE INVENTION 5 The present invention relates to a road detection and signaling system 1 formed by the aggregation of a plurality of autonomous devices 2 installed on a track 3, as shown for example in the embodiment of Figure 1, wherein the system is implemented as an interactive visual road signaling barrier installed in a crosswalk 21 in a one-way street, with autonomous devices 10 that make up the visual barrier aligned at the pedestrian crossing boundary 21. The set of autonomous devices 2 is located transversely to the roadway where vehicles 7 circulate, in a configuration that depends on the interaction between the different entities. The interactive visual barrier object of the present invention is of special application in the case of the interaction between pedestrians 8 and vehicles 7, where the autonomous devices 2 can be located longitudinally in the limits of the zebra crossing (Figure 1) or in its interior area (Figure 2) to cover the extension of the track, spaced equidistant to cover several detection zones 4. According to this preferred installation, each autonomous device 2 has at least one proximity sensor. As such, the autonomous device preferably includes at least one proximity sensor based on ultrasound and which is oriented towards the pedestrian traffic to detect the entry of pedestrians 8 in the detection area 4. Additionally, each autonomous device 2 may include another type of proximity sensors that help differentiate between pedestrians 8 and vehicles 7, preferably a proximity sensor based on variation of the magnetic field that is oriented on the three axes of the track (X, Y, Z) and / or a proximity sensor RADAR type oriented towards the direction of arrival of the vehicles 7. Thus, it is possible to detect the approach movement of a pedestrian 8 both by entering the pedestrian crossing 21 through the access zones enabled from the sidewalk 9 and in an immediate position the same. Each autonomous device 2 also comprises a light signaling unit 6 oriented towards the approaching vehicles 7. Thus, when the proximity sensor 5 of an autonomous device 2 detects a pedestrian 8, the control unit activates the light signaling unit 6, which is picked up by the drivers of the 35 vehicles 7 and perceived along the Pedestrian crossing as a visual alert barrier. 12In the example shown in Figure 3, the road detection and signaling system 1 is installed in a two-way pedestrian crossing 21 regulated by traffic light 22, to form a double barrier on each side of the pedestrian crossing 21 and thus be able to warn 5 lightly to the vehicles 7 that approach each direction of the track 3. Another possible application of the system is at the exit of a garage, as illustrated in Figure 4. In this case the autonomous devices 2 are on the track 3 through which the vehicle 7 circulates, longitudinally aligned to the garage door 23. If any 10 of the proximity sensors 5 (in normal conditions would be those located at one end) detects the entrance of a pedestrian 8, the barrier visual is activated by warning the vehicle 7 of the presence of a pedestrian 8 about to cross the track 3. Figure 5 represents a general scheme of the components incorporated in each autonomous device 2, according to a preferred embodiment Going. Each autonomous device 20 25 30 35 may comprise the following elements: Detection unit 10 formed by one or more proximity sensors preferably based on ultrasound 5a, variation of the magnetic field 5b and / or RADAR, without being limited to these types of sensors. proximity. Light signaling unit 6 formed by a plurality of high brightness light emitters or electroluminescent material, preferably LEOs, which can employ low consumption strategies managed by the control unit (not characteristic of the light element). Control unit 11 based preferably on a microcontroller, with wireless communications module 12, integrated or not, which communicates with the rest of the autonomous devices 2 of the road detection and signaling system 1, sending a pedestrian detection message 30 to the rest of autonomous devices 2 when the proximity of a pedestrian is detected. Real time unit 13, consisting of real time control circuit with independent rechargeable battery. Data storage unit 14 preferably based on solid state memory and / or card adapter socket. Power supply and storage unit 25 based on one or more solar cells 15 connected to the energy storage unit, which comprises a rechargeable battery 16 managed through electronics preferably based on a charging element 17. 135 The detection unit 10 comprises at least one proximity sensor 5 for detecting pedestrians 8 in a detection area 4. Said proximity sensor preferably consists of an ultrasound transducer 5a oriented towards pedestrian traffic. Additionally, the proximity sensors can also comprise transducers so that the autonomous device 2 only activates the light signaling unit 6 when the object detected is a pedestrian 8 and not a vehicle 7. Vehicle proximity sensors can consist of in transducers of variation of the magnetic field 10 5b oriented in three axes for the detection of vehicles and / or proximity sensors of the RADAR type oriented towards the direction of arrival of the vehicles. The detection of pedestrian 8 and / or vehicle 7 can be carried out by the detection unit itself 10. Alternatively, the detection unit 10 can supply the data of the sensors to the control unit 11 so that this unit is responsible for analyze the data and determine if pedestrian 8 and / or vehicle 7 have been detected. Figure 6A represents an elevation view, sectioned by a vertical plane, of the autonomous device 2, where the arrangement of the hardware elements 20 according to the preferred embodiment of Figure 5 in which, as vehicle proximity sensors, magnetic field variation transducers 5b are used. One or more printed circuit boards 18 connect the different units of the autonomous device 2. A trapezoidal housing 19, which mimics the nature of the environment (asphalt, zebra crossing, etc.), wraps and protects the various internal components of the autonomous device 2. The housing 19, surface mounted on track 3, has on its side walls (26, 27) an angle of attack with respect to the horizontal between 15 ° -45 ° to facilitate the passage of vehicles 7, and is constructed with high resistance material (metal, plastic or ceramic) protected by glass protections 20 (preferably tempered glass of great thickness). The solar cells 15 are located 30 under the glass protections 20. The ultrasound proximity sensors 5a and the light signaling unit 6 are preferably located on both sides (26, 27) of the housing 19, through holes or openings (28, 29) on its surface, with views oriented to the detection of obstacles and signaling to vehicles according to the configuration of track 3. The rest of possible sensors (proximity sensors of 35 variation of the magnetic field 5b) and hardware elements they are located inside the housing 19 conveniently connected to the control unit 11 by one or 14several printed circuit boards 18 (in the example shown in Figure 6A, a printed circuit board 18 is used for the power supply and storage unit 25 and another printed circuit board 18 for the other components). 5 Figure 68 represents an alternative embodiment, in profile view sectioned by a vertical plane, where, as vehicle proximity sensors, RADAR 5c type detectors oriented towards the direction of arrival of the vehicles are used (instead of vehicle sensors). proximity of variation of the magnetic field 5b of the embodiment of Figure 6A). 10 Figure 7 shows a plan view of the autonomous device 2 of Figure 6A, provided on its upper face with a plurality of glass protections 20 (below which the solar cells 15 are housed), and on their side faces of openings (28,29) for both the ultrasonic proximity sensor 5a and the light signaling unit 6 (in this example it has three openings 28 to accommodate three light emitters 6a, 6b and 6c). Once the nature of the invention has been sufficiently described, as well as a preferred embodiment, it is stated for the appropriate purposes that the shape, size, arrangement and materials of the described elements may be modified, provided that this does not imply alteration of the essential characteristics of the invention claimed below. fifteen
权利要求:
Claims (1) [1] CLAIMS 1. Road detection and signaling system, characterized in that it comprises a plurality of autonomous devices (2) arranged on a road (3), each autonomous device (2) comprising: -a detection unit (10) comprising at least a proximity sensor (5) for detecting pedestrians (8) in a detection area (4); - a light signaling unit (6) comprising at least one light emitting element oriented towards the vehicles (7) that are approaching along the road (3); 10 - a wireless communications module (12) configured to communicate with the rest of the autonomous devices (2) of the system (1); -a power supply and energy storage unit (25); -a control unit (11) configured to: upon detection of a pedestrian (8) by the autonomous device itself (2), activate the light signaling unit (6) and wirelessly communicate said detection to the rest of the autonomous devices (2); upon detection of a pedestrian (8) by another autonomous device (2), activate the light signaling unit (6). A system according to claim 1, characterized in that the autonomous devices (2) are arranged on a one-way road (3) aligned at one end of a pedestrian crossing (21) to form a visual warning barrier to traffickers. vehicles (7) approaching the pedestrian crossing (21). System according to claim 1, characterized in that the autonomous devices (2) are located in the interior area of a pedestrian crossing (21), their detection areas (4) covering the entire width of the road (3). 4. System according to claim 1, characterized in that the autonomous devices (2) are arranged on a two-way road (3), forming a double visual barrier on both sides of a pedestrian crossing (21) to lightly warn the vehicles (7) approaching from each direction of the road (3). System according to claim 1, characterized in that the autonomous devices (2) are arranged in a path (3) at the exit of a garage, longitudinally aligned with the garage door (23) to form a visual warning barrier to vehicles (7) than 16come out of the garage. System according to any of the preceding claims, characterized in that the control units (11) of the autonomous devices (2) are configured to, based on the measurements made by the proximity sensors (5), both of the device itself As with neighboring devices, differentiate between pedestrians (8) and vehicles (7), to activate the light signaling unit (6) only when the detected object is a pedestrian (8) and not a vehicle (7). System according to any of the preceding claims, characterized in that the detection units (10) of the autonomous devices (2) comprise ultrasound-based proximity sensors for pedestrians (5a) oriented towards pedestrian traffic. System according to claim 7, characterized in that the detection units (10) of the autonomous devices (2) additionally comprise vehicle proximity sensors, the control units (11) being configured to, using the information provided by the Ultrasound-based pedestrian proximity sensors (5a) and vehicle proximity sensors, differentiate between pedestrians (8) 20 AND vehicles (7) to activate the light signaling unit (6) only when the detected object is a pedestrian (8) and not a vehicle (7). System according to claim 8, characterized in that the vehicle proximity sensors comprise magnetic field variation transducers (5b) oriented on three axes. System according to any of claims 8 to 9, characterized in that the vehicle proximity sensors comprise RADAR type detectors (5c) oriented towards the direction of arrival of the vehicles. System according to any of claims 8 to 10, characterized in that to differentiate between pedestrians (8) and vehicles (7) the control units (11) are configured to apply fuzzy logic rules on the information supplied by both the sensors of proximity of pedestrians and vehicles of the same autonomous device (2) as coming from different autonomous devices (2). 17System according to any of the preceding claims, characterized in that the autonomous devices (2) are configured to connect to each other via a wireless local area or personal area network. System according to claim 12, characterized in that one of the autonomous devices (2) of the system is configured to act, within the wireless network, as an access point or master with the function of managing and controlling operations in the network. ; the rest of the autonomous devices (2) of the system being configured to act as clients or slaves so that when one of them detects a pedestrian 10 it issues a broadcast message to the rest of the autonomous devices (2) through the wireless network. System according to any of the preceding claims, characterized in that the light signaling unit (6) comprises a plurality of LEOs or electroluminescent elements. System according to any of the preceding claims, characterized in that the energy supply and storage unit (25) comprises at least one solar cell (15) and at least one rechargeable battery (16). 16. System according to any of the preceding claims, characterized in that each autonomous device (2) comprises a trapezoidal casing (19). 17. System according to claim 16, characterized in that openings (28, 29) are arranged in the side walls (26, 27) of the housing (19) where ultrasound proximity sensors (5a) are housed on one side and in the opposite face the light emitters (6a, 6b, 6c) of the light signaling unit (6). 18. System according to any of claims 16 to 17, characterized in that the side walls (26, 27) of the casing (19) have an angle of attack with respect to the horizontal between 15 ° and 45 ° to facilitate the passage of the vehicles (7). System according to any of claims 16 to 18, characterized in that the casing (19) is protected on its upper face with at least one tempered glass protection (20), below which one or more solar cells ( fifteen). 1820. System according to any of the preceding claims, characterized in that the autonomous devices (2) are installed on the track (3) by means of adapters, adherent fixing elements or mechanical anchoring. 5 21. Autonomous road detection and signaling device, adapted for its arrangement on a road (3), characterized in that it comprises: - a detection unit (10) comprising at least one proximity sensor (5) to detect pedestrians (8 ) in a detection area (4); - a light signaling unit (6) comprising at least one light emitting element; -a power supply and energy storage unit (25); - a control unit (11) configured to activate the light signaling unit (6) upon detection of a pedestrian (8). 22. Device according to claim 21, characterized in that it comprises a wireless communication module (12) configured to communicate with other autonomous devices (2); and because the control unit (11) is configured to: - upon detection of a pedestrian (8) carried out by the detection unit 20 (10) itself, wirelessly send a pedestrian detection message (30); -before the wireless reception of a pedestrian detection message (30) from another autonomous device (2), activate the light signaling unit (6). 23. Device according to any of claims 21 to 22, characterized in that the detection unit (10) comprises at least one ultrasound-based proximity sensor for pedestrians (5a). 24. Device according to claim 23, characterized in that the detection unit (10) comprises at least one vehicle proximity sensor, the control unit (11) being configured to, using the information supplied by the at least one sensor of pedestrian proximity based on ultrasound (5a) and the at least one vehicle proximity sensor, differentiate between pedestrians (8) and vehicles (7) to activate the light signaling unit (6) only when the detected object is 35 It is about a pedestrian (8) and not a vehicle (7). 1925. Device according to claim 24, characterized in that the at least one vehicle proximity sensor comprises a magnetic field variation transducer (5b) oriented on three axes. 26. Device according to any of claims 24 to 25, characterized in that the at least one vehicle proximity sensor comprises a RADAR-type detector (5c). 27. Device according to any one of claims 21 to 26, characterized in that the light signaling unit (6) comprises a plurality of LEOs or electroluminescent elements. 28. Device according to any one of claims 21 to 27, characterized in that the energy supply and storage unit (25) comprises at least one solar cell (15) and at least one rechargeable battery (16). 29. Device according to any of claims 21 to 28, characterized in that it comprises a trapezoidal casing (19). 30. Device according to claim 29, characterized in that openings (28, 29) are arranged on the side walls (26, 27) of the housing (19) where at least one proximity sensor for pedestrians based on ultrasound (5a) and on the opposite side the at least one light emitter (6a, 6b, 6c) of the light signaling unit (6). 31. Device according to claim 30, characterized in that it comprises at least one RADAR-type proximity sensor (5c) housed in the side wall (26) of the housing (19) where the at least one transmitter of light (6a, 6b, 6c) from the light signaling unit (6). 32. Device according to any of claims 29 to 31, characterized in that the side walls (26, 27) of the casing (19) have an angle of attack with respect to the horizontal between 15 ° and 45 ° to facilitate the passage of vehicles (7). 33. Device according to any one of claims 29 to 33, characterized in that the housing (19) is protected on its upper face with at least one glass protection 20(20) tempered, below which one or more solar cells (15) are housed. 34. Device according to any of claims 21 to 33, characterized in that it comprises at least one adhesive fixing or mechanical anchoring element at its base for installation on a track (3). twenty-one
类似技术:
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同族专利:
公开号 | 公开日 WO2018050945A1|2018-03-22| ES2663655B1|2018-09-24|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题 US6384742B1|1994-06-08|2002-05-07|Michael A. Harrison|Pedestrian crosswalk signal apparatus—pedestrian crosswalk| JP3832955B2|1998-01-29|2006-10-11|積水樹脂株式会社|Traffic safety system| US7688222B2|2003-09-18|2010-03-30|Spot Devices, Inc.|Methods, systems and devices related to road mounted indicators for providing visual indications to approaching traffic| SE0402385D0|2004-10-01|2004-10-01|Geveko Ind Holding Ab|A system for indicating the presence of a person in a road area| ES2310120B1|2007-03-27|2009-11-05|Rubber Patents, S.L.|PEDESTRIAN STEP WITH DETECTOR AND PRESENCE NOTICE.| US20110035140A1|2009-08-07|2011-02-10|James Candy|Vehicle sensing system utilizing smart pavement markers|CN110264740A|2019-06-24|2019-09-20|长沙理工大学|The inhuman real-time track detector of traffic machine and detection method based on video| IT201900017174A1|2019-09-25|2021-03-25|Puda Soc Coop A R L|Safety system for pedestrian crossings|
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申请号 | 申请日 | 专利标题 ES201600768A|ES2663655B1|2016-09-14|2016-09-14|System and autonomous device for road detection and signaling|ES201600768A| ES2663655B1|2016-09-14|2016-09-14|System and autonomous device for road detection and signaling| PCT/ES2017/070646| WO2018050945A1|2016-09-14|2017-10-03|System and autonomous device for road signage and detection| 相关专利
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