EP1986173B1 - Device for surveillance of a single parking space - Google Patents

Device for surveillance of a single parking space Download PDF

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Publication number
EP1986173B1
EP1986173B1 EP07008485A EP07008485A EP1986173B1 EP 1986173 B1 EP1986173 B1 EP 1986173B1 EP 07008485 A EP07008485 A EP 07008485A EP 07008485 A EP07008485 A EP 07008485A EP 1986173 B1 EP1986173 B1 EP 1986173B1
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EP
European Patent Office
Prior art keywords
sensor
aerial
parking space
vehicle
occupied
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.)
Not-in-force
Application number
EP07008485A
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German (de)
French (fr)
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EP1986173A1 (en
Inventor
Gregor Ponert
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Skidata AG
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Skidata AG
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Filing date
Publication date
Application filed by Skidata AG filed Critical Skidata AG
Priority to AT07008485T priority Critical patent/ATE446563T1/en
Priority to EP07008485A priority patent/EP1986173B1/en
Priority to DE502007001797T priority patent/DE502007001797D1/en
Priority to US12/109,514 priority patent/US7855661B2/en
Priority to JP2008115600A priority patent/JP2008276773A/en
Publication of EP1986173A1 publication Critical patent/EP1986173A1/en
Application granted granted Critical
Publication of EP1986173B1 publication Critical patent/EP1986173B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors

Definitions

  • the invention relates to a device for individual parking space monitoring according to the preamble of claim 1.
  • the object of the invention is to provide a single parking space monitoring available, which can be installed with little effort and consumes little energy.
  • the optical display on a bistable display element This will only trigger the ad if it changes.
  • a considerable energy saving is achieved, with the result that the sensor and the optical display can be operated with a battery for several years. It can be used in addition to a battery and a photovoltaic module with battery or capacitor z.
  • B. is supplied by the daylight and / or by the vehicle headlights of motor vehicles in the parking garage or the other parking area with light.
  • the sensor and the optical display which are preferably arranged in a housing, can rather be fastened on the road surface of the parking space or overhead over the parking space, for example on the ceiling in a simple manner, for example by screwing or gluing the housing.
  • a housing may be provided both for the sensor and for the optical display.
  • the sensor and the visual display are in and out housed in the same housing, whereby the installation costs are further reduced.
  • the bistable display element is preferably formed by a so-called "flip-dot", ie an electromechanical component which, via a tilting or rotating device, depending on the control, displays one of two optically differently designed sides of a display platelet.
  • the plate can be rotatably mounted on the housing.
  • the two sides of the tile may be colored differently, for example one side red and the other green.
  • On the display plate can be a permanent magnet and behind an electromagnet, which exerts a force on the plate depending on the polarity and thus turns it over.
  • a latching device is provided in order to prevent the pivoting back of the display plate after the switching off of the electromagnet.
  • the display tile thus has two stable states. This only requires energy to turn over the plate. If the display remains the same, however, no energy needs to be expended.
  • the display plate may be formed fluorescent or reflective, for example, as a cat's eye, so at least one side of glass with prismatic surface formed. If it is illuminated by the headlight of a motor vehicle, the incident light is reflected back with such great brightness by the refraction of light in the prisms that the display plate acts as an independent light source.
  • a further energy saving can be achieved in that the sensor for vehicle detection and / or radio transmission is designed to be activated at intervals.
  • the sensor preferably has a receiving antenna in addition to the transmitting antenna.
  • the deviation may be in the amplitude, the phase and / or the frequency, for example in a frequency change after the Doppler effect.
  • the sensor can thus consist essentially of the receiving antenna, the transmitting antenna, a mixer, a transceiver and a microcontroller, so be very simple and manufactured, for example, by equipping a circuit board.
  • the sensor may also be configured such that a vehicle is detected by reflection of a signal.
  • the transmit antenna of the sensors can also be used for radio transmission of the busy / idle state of the individual parking spaces to the higher-level parking control center.
  • LAN local area network
  • the radio transmission from the transmitting antennas of several sensors to a base station and from there to the next base station can be made up to a master base station, which communicates with the parking control center z. B. via LAN in connection.
  • the base station or stations or the master base station can on the ceiling or a wall of the parking garage or the relevant projectile be arranged and supplied with power, for example, by connecting to the electrical lighting on the ceiling or wall.
  • an omnidirectional antenna or omnidirectional antenna can be provided for radio transmission, wherein the sensor controls the directional antenna and the non-directional antenna alternately.
  • the senor for vehicle detection may also be a geomagnetic sensor, an ultrasonic sensor or an infrared sensor.
  • the components of the individual parking space monitoring device are arranged in a water- and dust-tight, mechanically robust housing 1, which with a screw 2 z. B. on the road surface of the single parking space 4 ( FIG. 4 ) is attached.
  • the flat, upwardly curved housing 1, which is round in plan view, has at the access 3 to the individual parking space 4 (FIG. FIG. 4 ) side facing an optical display 5, which is formed by display plate 6, which are formed as flip-Dots.
  • the energy saving device 8 for example, the sensor 9 is activated only at intervals, as well as the transmitting antenna 10 for radio transmission.
  • FIG. 4 is detected with the sensor 9, a vehicle 12 by its movement to the pitch 4 and away from him, wherein the movement is detected by the Doppler effect.
  • a receiving antenna 13a is provided, wherein the frequency of the transmitting antenna 10 and the receiving antenna 13a are brought together in a mixer 14.
  • the signal of the mixer 14 is fed via an AC coupling 15 and a low-pass filter 16 to the AD converter 17 of the transceiver 18 and the microcontroller 19, which at the same time drive the transmitting antenna 10.
  • an omnidirectional antenna 21 may additionally be provided for radio transmission, wherein the directional beam antenna 10 and the omnidirectional antenna 21 are driven alternately with a switch 22.
  • the receiving antenna 13a is a directional beam antenna
  • an omnidirectional antenna 13b may additionally be provided as a receiving antenna, with the antennas 13a and 13b alternately driven by a switch 28.
  • FIG. 5 has a parking area on the left and right of the road, which forms the driveway 3, individual parking spaces 4.
  • a housing 1 with the device according to the invention is provided on the side facing the entrance 3.
  • the radio transmission of the occupied / free state of the individual parking spaces 4 is carried out according to the arrows 23 from single parking space 4 to single parking space 4 with the transmit antennas 10, 21 of the sensors 9 in the housings 1 to a base station 24, which is not shown with the parking space control center via a data cable 25 communicates.
  • the network is formed by a network of base stations 26, which further route the information until they have arrived at the master base station 27.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Road Signs Or Road Markings (AREA)
  • Audible And Visible Signals (AREA)

Abstract

The apparatus has a sensor detecting a vehicle, and an optical indicator indicating an occupied/free status of an individual parking position (4), where the optical indicator includes a bistable indicator element that comprises an electro mechanical component i.e. flip dot. The sensor has transmit aerials for transmitting the occupied/free status by radio to a parking facility control center. The sensor and the optical indicator are placed in a sturdy casing (1) that is adapted to be mounted on one of a roadway pavement and at an overhead location.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Einzelstellplatzüberwachung nach dem Oberbegriff des Anspruchs 1.The invention relates to a device for individual parking space monitoring according to the preamble of claim 1.

Für die Einzelstellplatzüberwachung von Parkflächen, beispielsweise in Parkhäusern oder auf Verkehrsflächen, werden heutzutage üblicherweise verkabelte Sensoren zur Fahrzeugdetektion verwendet, wobei in der Regel Ultraschall-, Infrarot- oder Erdmagnetfeldsensoren eingesetzt werden. Die optische Anzeige erfolgt ebenfalls über verkabelte Lampen oder lichtemittierende Dioden. Die Verkabelung ist aufgrund des hohen Energieverbrauchs der Sensoren und der optischen Anzeigen notwendig. Zur Datenübertragung des Belegt/Frei-Zustandes des Stellplatzes an das Netz, das mit der Parkraumkontrollzentrale verbunden ist, wird ebenfalls eine Verkabelung verwendet. Durch die Verlegung der Kabel sind die bekannten Einzelstellplatzüberwachungsvorrichtungen mit einem erheblichen Aufwand verbunden, insbesondere wenn die Einzelstellplatzüberwachung nachgerüstet wird. Die Kosten für die Verlegung der Kabel übersteigen dann bei weitem die des Sensors und der optischen Anzeige.For individual parking space monitoring of parking areas, for example in multi-storey car parks or on traffic areas, today usually wired sensors are used for vehicle detection, with ultrasonic, infrared or geomagnetic field sensors are usually used. The visual display also takes place via wired lamps or light-emitting diodes. The cabling is necessary due to the high energy consumption of the sensors and the optical displays. For data transmission of the occupied / free state of the parking space to the network, which is connected to the parking space control center, also a wiring is used. By laying the cable, the known individual parking space monitoring devices associated with a considerable effort, especially if the individual parking space monitoring is retrofitted. The cost of laying the cables far exceeds that of the sensor and the optical display.

Aus DE 20 2006 015 787 U1 geht eine Vorrichtung nach dem Oberbegriff des Patentanspruches 1 hervor, die als optische Anzeige gleichfalls Leuchtelemente aufweist. Durch die Funkübertragung kann zwar auf eine Verkabelung verzichtet werden. Dennoch ist der Energieverbrauch erheblich.Out DE 20 2006 015 787 U1 is a device according to the preamble of claim 1 shows that also has light elements as optical display. By the Although wireless transmission can be dispensed with a wiring. Nevertheless, the energy consumption is significant.

Aufgabe der Erfindung ist es, eine Einzelstellplatzüberwachung zur Verfügung zur stellen, die mit geringem Aufwand installiert werden kann und wenig Energie verbraucht.The object of the invention is to provide a single parking space monitoring available, which can be installed with little effort and consumes little energy.

Dies wird erfindungsgemäß mit der im Anspruch 1 gekennzeichneten Vorrichtung erreicht. In den Unteransprüchen sind vorteilhafte Ausgestaltungen der Erfindung wiedergegeben.This is achieved according to the invention with the device characterized in claim 1. In the subclaims advantageous embodiments of the invention are shown.

Nach der Erfindung weist jeder Sensor für die Fahrzeugdetektion eine Sendeantenne zur Funkübertragung des Belegt/Frei-Zustandes an das übergeordnete Parkraumkontrollsystem beispielsweise eines Parkhauses auf. Damit entfällt eine Verkabelung für die Datenübertragung von dem Sensor.According to the invention, each sensor for vehicle detection on a transmitting antenna for radio transmission of busy / free state to the higher-level parking control system, for example, a parking garage. This eliminates cabling for data transmission from the sensor.

Weiterhin weist erfindungsgemäß die optische Anzeige ein bistabiles Anzeigeelement auf. Damit wird die Anzeige nur dann angesteuert, wenn sie sich ändert. Dadurch wird eine erhebliche Energieeinsparung erzielt, mit der Folge, dass der Sensor und die optische Anzeige mit einer Batterie über mehrere Jahre betrieben werden können. Dabei kann außer einer Batterie auch ein Photovoltaik-Modul mit Akku oder Kondensator eingesetzt werden, das z. B. durch das Tageslicht und/oder durch die Fahrzeugscheinwerfer der Kraftfahrzeuge in dem Parkhaus oder der sonstigen Parkfläche mit Licht versorgt wird.Furthermore, according to the invention, the optical display on a bistable display element. This will only trigger the ad if it changes. As a result, a considerable energy saving is achieved, with the result that the sensor and the optical display can be operated with a battery for several years. It can be used in addition to a battery and a photovoltaic module with battery or capacitor z. B. is supplied by the daylight and / or by the vehicle headlights of motor vehicles in the parking garage or the other parking area with light.

Damit entfallen erfindungsgemäß die hohen Kosten für die Verlegung von Kabeln. Der Sensor und die optische Anzeige, die vorzugsweise in einem Gehäuse angeordnet sind, können vielmehr auf dem Fahrbahnbelag des Stellplatzes bzw. über Kopf über dem Stellplatz beispielsweise an der Decke auf einfache Weise befestigt werden, beispielsweise durch Anschrauben oder Ankleben des Gehäuses.This eliminates the high cost of laying cables according to the invention. The sensor and the optical display, which are preferably arranged in a housing, can rather be fastened on the road surface of the parking space or overhead over the parking space, for example on the ceiling in a simple manner, for example by screwing or gluing the housing.

Dabei kann sowohl für den Sensor wie für die optische Anzeige jeweils ein Gehäuse vorgesehen sein. Vorzugsweise sind der Sensor und die optische Anzeige jedoch in ein- und demselben Gehäuse untergebracht, wodurch die Installationskosten weiter verringert werden.In this case, a housing may be provided both for the sensor and for the optical display. Preferably, however, the sensor and the visual display are in and out housed in the same housing, whereby the installation costs are further reduced.

Das bistabile Anzeigeelement wird vorzugsweise durch einen sogenannten "Flip-Dot" gebildet, also ein elektromechanisches Bauteil, das über eine Kipp- oder Drehvorrichtung je nach Ansteuerung eine von zwei optisch unterschiedlich gestalteten Seiten eines Anzeigeplättchens zeigt. Dazu kann das Plättchen am Gehäuse drehbar gelagert sein. Die zwei Seiten des Plättchens können unterschiedlich gefärbt sein, beispielsweise eine Seite rot und die andere grün. An dem Anzeigeplättchen kann sich ein Dauermagnet befinden und dahinter ein Elektromagnet, der je nach Polung eine Kraft auf das Plättchen ausübt und es so umdreht. Um das Rückschwenken des Anzeigeplättchens nach dem Abschalten des Elektromagneten zu verhindern, ist eine Einrastvorrichtung vorgesehen. Das Anzeigeplättchen besitzt somit zwei stabile Zustände. Damit wird nur Energie zum Umdrehen des Plättchens benötigt. Bei gleich bleibender Anzeige muss hingegen keine Energie aufgewendet werden.The bistable display element is preferably formed by a so-called "flip-dot", ie an electromechanical component which, via a tilting or rotating device, depending on the control, displays one of two optically differently designed sides of a display platelet. For this purpose, the plate can be rotatably mounted on the housing. The two sides of the tile may be colored differently, for example one side red and the other green. On the display plate can be a permanent magnet and behind an electromagnet, which exerts a force on the plate depending on the polarity and thus turns it over. In order to prevent the pivoting back of the display plate after the switching off of the electromagnet, a latching device is provided. The display tile thus has two stable states. This only requires energy to turn over the plate. If the display remains the same, however, no energy needs to be expended.

Das Anzeigeplättchen kann fluoreszierend oder reflektierend ausgebildet sein, beispielsweise als Katzenauge, also wenigstens eine Seite aus Glas mit prismenförmig ausgebildeter Oberfläche bestehen. Wird es vom Scheinwerfer eines Kraftfahrzeuges angestrahlt, wird durch die Lichtbrechung in den Prismen das einfallende Licht mit so großer Helligkeit zurückgeworfen, dass das Anzeigeplättchen wie eine selbstständige Lichtquelle wirkt.The display plate may be formed fluorescent or reflective, for example, as a cat's eye, so at least one side of glass with prismatic surface formed. If it is illuminated by the headlight of a motor vehicle, the incident light is reflected back with such great brightness by the refraction of light in the prisms that the display plate acts as an independent light source.

Eine weitere Energieeinsparung kann dadurch erzielt werden, dass der Sensor zur Fahrzeugdetektion und/oder zur Funkübertragung in Intervallen aktivierbar ausgebildet ist.A further energy saving can be achieved in that the sensor for vehicle detection and / or radio transmission is designed to be activated at intervals.

Der Sensor weist neben der Sendeantenne vorzugsweise eine Empfangsantenne auf. Bei Abweichung des mit der Empfangsantenne empfangenen Signals von dem mit der Sendeantenne ausgesandten Signal kann damit die Bewegung eines Fahrzeuges erfasst und so die Fahrzeugdetektion durchgeführt werden. Die Abweichung kann dabei in der Amplitude, der Phase und/oder der Frequenz bestehen, beispielsweise in einer Frequenzänderung nach dem Doppler-Effekt. Der Sensor kann damit im Wesentlichen aus der Empfangsantenne, der Sendeantenne, einem Mischer, einem Transceiver und einem Mikrocontroller bestehen, also sehr einfach aufgebaut und beispielsweise durch Bestücken einer Leiterplatte hergestellt sein. Der Sensor kann jedoch auch so ausgebildet sein, dass ein Fahrzeug durch Reflexion eines Signals detektiert wird.The sensor preferably has a receiving antenna in addition to the transmitting antenna. In the case of deviation of the signal received by the receiving antenna from the signal emitted by the transmitting antenna, the movement of a vehicle can be detected and thus the vehicle detection can be carried out. The deviation may be in the amplitude, the phase and / or the frequency, for example in a frequency change after the Doppler effect. The sensor can thus consist essentially of the receiving antenna, the transmitting antenna, a mixer, a transceiver and a microcontroller, so be very simple and manufactured, for example, by equipping a circuit board. However, the sensor may also be configured such that a vehicle is detected by reflection of a signal.

Die Sendeantenne der Sensoren kann zugleich zur Funkübertragung des Belegt/Frei-Zustandes der Einzelstellplätze an die übergeordnete Parkraumkontrollzentrale verwendet werden.The transmit antenna of the sensors can also be used for radio transmission of the busy / idle state of the individual parking spaces to the higher-level parking control center.

Dazu kann die Funkübertragung von der Sendeantenne eines Sensors zur Empfangsantenne eines benachbarten Sensors usw. bis zu einer Basisstation z. B. in dem Geschoß des Parkhauses erfolgen, das mit der Parkraumkontrollzentrale z. B. über ein lokales Netz (LAN) in Verbindung steht.For this purpose, the radio transmission from the transmitting antenna of a sensor to the receiving antenna of an adjacent sensor, etc. up to a base station z. B. done in the floor of the parking garage, with the parking space control center z. B. via a local area network (LAN) is in communication.

Stattdessen kann die Funkübertragung von den Sendeantennen mehrerer Sensoren zu einer Basisstation und von dort zur nächsten Basisstation bis zu einer Master-Basisstation erfolgen, die mit der Parkraumkontrollzentrale z. B. über LAN in Verbindung steht. Die Basisstation bzw. -stationen bzw. die Master-Basisstation können an der Decke oder einer Wand des Parkhauses bzw. des betreffenden Geschosses angeordnet sein und beispielsweise durch Anschluss an die elektrische Beleuchtung an der Decke bzw. Wand mit Strom versorgt werden.Instead, the radio transmission from the transmitting antennas of several sensors to a base station and from there to the next base station can be made up to a master base station, which communicates with the parking control center z. B. via LAN in connection. The base station or stations or the master base station can on the ceiling or a wall of the parking garage or the relevant projectile be arranged and supplied with power, for example, by connecting to the electrical lighting on the ceiling or wall.

Falls die Sendeantenne und/oder die Empfangsantenne des Sensors als Richtstrahlantenne ausgebildet ist, kann zur Funkübertragung eine Rundstrahlantenne bzw. ungerichtete Antenne vorgesehen sein, wobei der Sensor die Richtstrahlantenne und die ungerichtete Antenne abwechselnd ansteuert.If the transmitting antenna and / or the receiving antenna of the sensor is designed as a directional beam antenna, an omnidirectional antenna or omnidirectional antenna can be provided for radio transmission, wherein the sensor controls the directional antenna and the non-directional antenna alternately.

Der Sensor zur Fahrzeugdetektion kann jedoch auch ein Erdmagnetfeldsensor, ein Ultraschallsensor oder ein Infrarotsensor sein.However, the sensor for vehicle detection may also be a geomagnetic sensor, an ultrasonic sensor or an infrared sensor.

Nachstehend ist eine Ausführungsform der erfindungsgemäßen Vorrichtung anhand der beigefügten Zeichnung beispielhaft näher erläutert. Darin zeigen:

  • Figur 1 und 2 eine Draufsicht bzw. eine Seitenansicht eines Gehäuses, das die Komponenten der erfindungsgemäßen Vorrichtung aufweist;
  • Figur 3 ein Blockschaltbild der Einzelstellplatzüberwachungsvorrichtung;
  • Figur 4 ein Blockschaltbild eines Sensors;
  • Figur 5 schematisch die Draufsicht auf eine Parkfläche mit Einzelstellplätzen; und
  • Figur 6 schematisch eine Anordnung zur Funkübertragung des Belegt/Frei-Zustandes mit Basisstationen von den Sendeantennen der Sensoren zu der Parkraumkontrollzentrale.
Hereinafter, an embodiment of the device according to the invention is explained in more detail by way of example with reference to the accompanying drawings. Show:
  • FIGS. 1 and 2 a plan view and a side view of a housing having the components of the device according to the invention;
  • FIG. 3 a block diagram of the individual parking space monitoring device;
  • FIG. 4 a block diagram of a sensor;
  • FIG. 5 schematically the top view of a parking area with individual parking spaces; and
  • FIG. 6 schematically an arrangement for wireless transmission of busy / idle state with base stations from the transmitting antennas of the sensors to the parking control center.

Gemäß Figuren 1 und 2 sind die Komponenten der Einzelstellplatzüberwachungsvorrichtung in einem wasser- und staubdichten, mechanisch robusten Gehäuse 1 angeordnet, das mit einer Schraube 2 z. B. auf dem Fahrbahnbelag des Einzelstellplatzes 4 (Figur 4) befestigt wird.According to Figures 1 and 2 the components of the individual parking space monitoring device are arranged in a water- and dust-tight, mechanically robust housing 1, which with a screw 2 z. B. on the road surface of the single parking space 4 ( FIG. 4 ) is attached.

Das flache, nach oben gewölbte, in der Draufsicht runde Gehäuse 1 weist an der der Zufahrt 3 zu dem Einzelstellplatz 4 (Figur 4) zugewandten Seite eine optische Anzeige 5 auf, die durch Anzeigeplättchen 6 gebildet wird, die als Flip-Dots ausgebildet sind.The flat, upwardly curved housing 1, which is round in plan view, has at the access 3 to the individual parking space 4 (FIG. FIG. 4 ) side facing an optical display 5, which is formed by display plate 6, which are formed as flip-Dots.

Gemäß Figur 3 ist in dem Gehäuse 1 eine Energieversorgung 7, beispielsweise eine Batterie, vorgesehen, die über eine Energiespareinrichtung 8 mit dem Sensor 9, der optischen Anzeige 5 und einer Sendeantenne 10 zur Funkübertragung des Belegt/Frei-Zustandes in Verbindung steht. Durch die Energiespareinrichtung 8 wird beispielsweise der Sensor 9 nur in Intervallen aktiviert, desgleichen die Sendeantenne 10 zur Funkübertragung.According to FIG. 3 is in the housing 1, a power supply 7, for example a battery, is provided, which is connected via an energy saving device 8 with the sensor 9, the optical display 5 and a transmitting antenna 10 for radio transmission of busy / idle state. By the energy saving device 8, for example, the sensor 9 is activated only at intervals, as well as the transmitting antenna 10 for radio transmission.

Gemäß Figur 4 wird mit dem Sensor 9 ein Fahrzeug 12 durch seine Bewegung auf den Stellplatz 4 bzw. von ihm weg detektiert, wobei die Bewegung durch den Doppler-Effekt erfasst wird.According to FIG. 4 is detected with the sensor 9, a vehicle 12 by its movement to the pitch 4 and away from him, wherein the movement is detected by the Doppler effect.

Dazu ist außer der Sendeantenne 10 eine Empfangsantenne 13a vorgesehen, wobei die Frequenz der Sendeantenne 10 und der Empfangsantenne 13a in einem Mischer 14 zusammengeführt werden. Das Signal des Mischers 14 wird über eine AC-Kopplung 15 und einen Tiefpassfilter 16 dem AD-Wandler 17 des Transceivers 18 und dem Mikrocontroller 19 zugeführt, die zugleich die Sendeantenne 10 ansteuern. Falls die Sendeantenne 10 eine Richtstrahlantenne ist, kann zur Funkübertragung zusätzlich eine Rundstrahlantenne 21 vorgesehen sein, wobei die Richtstrahlantenne 10 und die Rundstrahlantenne 21 mit einem Schalter 22 abwechselnd angesteuert werden. In gleicher Weise kann, falls die Empfangsantenne 13a eine Richtstrahlantenne ist, zusätzlich eine Rundstrahl- oder ausgerichtete Antenne 13b als Empfangsantenne vorgesehen sein, wobei die Antennen 13a und 13b mit einem Schalter 28 abwechselnd angesteuert werden.For this purpose, in addition to the transmitting antenna 10, a receiving antenna 13a is provided, wherein the frequency of the transmitting antenna 10 and the receiving antenna 13a are brought together in a mixer 14. The signal of the mixer 14 is fed via an AC coupling 15 and a low-pass filter 16 to the AD converter 17 of the transceiver 18 and the microcontroller 19, which at the same time drive the transmitting antenna 10. if the Transmitting antenna 10 is a directional antenna, an omnidirectional antenna 21 may additionally be provided for radio transmission, wherein the directional beam antenna 10 and the omnidirectional antenna 21 are driven alternately with a switch 22. Similarly, if the receiving antenna 13a is a directional beam antenna, an omnidirectional antenna 13b may additionally be provided as a receiving antenna, with the antennas 13a and 13b alternately driven by a switch 28.

Gemäß Figur 5 weist eine Parkfläche links und rechts der Fahrbahn, die die Zufahrt 3 bildet, Einzelstellplätze 4 auf. An jedem Einzelstellplatz 4 ist an der der Zufahrt 3 zugewandten Seite ein Gehäuse 1 mit der erfindungsgemäßen Vorrichtung vorgesehen. Die Funkübertragung des Belegt/Frei-Zustandes der Einzelstellplätze 4 erfolgt gemäß den Pfeilen 23 von Einzelstellplatz 4 zu Einzelstellplatz 4 mit den Sendeantennen 10, 21 der Sensoren 9 in den Gehäusen 1 bis zu einer Basisstation 24, die mit der nicht dargestellten Parkraumkontrollzentrale über ein Datenkabel 25 in Verbindung steht.According to FIG. 5 has a parking area on the left and right of the road, which forms the driveway 3, individual parking spaces 4. At each individual parking space 4, a housing 1 with the device according to the invention is provided on the side facing the entrance 3. The radio transmission of the occupied / free state of the individual parking spaces 4 is carried out according to the arrows 23 from single parking space 4 to single parking space 4 with the transmit antennas 10, 21 of the sensors 9 in the housings 1 to a base station 24, which is not shown with the parking space control center via a data cable 25 communicates.

Bei der Ausführungsform nach Figur 6 erfolgt die Funkübertragung von den Sendeantennen 10, 21 der Einzelstellplätze 4 zu einer Basisstation 26 und von dort zu nächsten Basisstation 26 bis zu einer Master-Basisstation 27, die mit der Parkraumkontrollzentrale in Verbindung steht. Das heißt, die Basisstationen 26 empfangen die Informationen der Sensoren 9 und leiten sie durch geeignete Funkvernetzung an die Parkraumkontrollzentrale weiter. Die Vernetzung wird dazu durch ein Netz von Basisstationen 26 gebildet, die die Informationen weiter routen, bis sie an der Master-Basisstation 27 angelangt sind.In the embodiment according to FIG. 6 the radio transmission from the transmitting antennas 10, 21 of the individual parking spaces 4 to a base station 26 and from there to the next base station 26 to a master base station 27, which is in communication with the parking space control center. That is, the base stations 26 receive the information from the sensors 9 and forward them by suitable radio networking to the parking control center. For this purpose, the network is formed by a network of base stations 26, which further route the information until they have arrived at the master base station 27.

Claims (10)

  1. An apparatus for single-space monitoring of a parking place, comprising a sensor (9) for vehicle detection and an optical display (5) of the occupied/free state, with the sensor (9) having a transmitting aerial (10, 21) for radio transmission of the occupied/free state of the single parking space (4) to a higher-level parking space control center, and a battery (7) is provided for the sole power supply of the sensor (9) and the optical display (5), characterized in that the optical display (5) comprises at least one bistable display element which is formed by a rotatably held small display plate (6) with sides that are arranged in an optically differing way.
  2. An apparatus according to claim 1, characterized in that the sensor (9) and the optical display (5) are provide in a housing (1) fixed to the road surface or overhead.
  3. An apparatus according to claim 1, characterized in that the sensor (9) is arranged to be capable of activation for vehicle detection and/or for radio transmission in intervals.
  4. An apparatus according to claim 1, characterized in that at least one side of the small display plate (6) is arranged to be fluorescent or reflecting.
  5. An apparatus according to claim 1, characterized in that the sensor (9) comprises a receiving aerial (13a) and for vehicle detection it detects the motion of a vehicle (12) by deviation of the signal received with the receiving aerial (13) from the signal transmitted with the transmitting aerial (10, 21).
  6. An apparatus according to claim 1, characterized in that the sensor is arranged for detection of the vehicle by reflection of a signal on the vehicle.
  7. An apparatus according to claim 5 or 6, characterized in that the sensor (9) comprises a mixer (14), a transceiver (18) and a microcontroller (19).
  8. An apparatus according to one of the preceding claims, characterized in that the transmitting aerial (10) and/or the receiving aerial (13a) is formed by a directional beam aerial, and further an omnidirectional aerial (21, 13b) is provided, with the directional beam aerial (10) and the omnidirectional aerial (21, 13b) being triggerable in an alternating manner.
  9. An apparatus according to claim 1, characterized in that the transmitting aerial (10, 21) transmits the occupied/free state of the single parking space via radio to at least one base station (24, 26) which is in connection with the parking space control center.
  10. An apparatus according to claim 1, characterized in that the vehicle sensor is a geomagnetic field sensor, an ultrasonic sensor or an infrared sensor.
EP07008485A 2007-04-26 2007-04-26 Device for surveillance of a single parking space Not-in-force EP1986173B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT07008485T ATE446563T1 (en) 2007-04-26 2007-04-26 DEVICE FOR MONITORING INDIVIDUAL SPACES
EP07008485A EP1986173B1 (en) 2007-04-26 2007-04-26 Device for surveillance of a single parking space
DE502007001797T DE502007001797D1 (en) 2007-04-26 2007-04-26 Device for individual parking space monitoring
US12/109,514 US7855661B2 (en) 2007-04-26 2008-04-25 Apparatus for monitoring individual parking positions
JP2008115600A JP2008276773A (en) 2007-04-26 2008-04-25 Apparatus for monitoring parking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07008485A EP1986173B1 (en) 2007-04-26 2007-04-26 Device for surveillance of a single parking space

Publications (2)

Publication Number Publication Date
EP1986173A1 EP1986173A1 (en) 2008-10-29
EP1986173B1 true EP1986173B1 (en) 2009-10-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07008485A Not-in-force EP1986173B1 (en) 2007-04-26 2007-04-26 Device for surveillance of a single parking space

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US (1) US7855661B2 (en)
EP (1) EP1986173B1 (en)
JP (1) JP2008276773A (en)
AT (1) ATE446563T1 (en)
DE (1) DE502007001797D1 (en)

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Also Published As

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US20080266138A1 (en) 2008-10-30
EP1986173A1 (en) 2008-10-29
DE502007001797D1 (en) 2009-12-03
ATE446563T1 (en) 2009-11-15
US7855661B2 (en) 2010-12-21
JP2008276773A (en) 2008-11-13

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