SI25180A - A device for detecting the presence of a motor vehicle on a road surface - Google Patents
A device for detecting the presence of a motor vehicle on a road surface Download PDFInfo
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- SI25180A SI25180A SI201600092A SI201600092A SI25180A SI 25180 A SI25180 A SI 25180A SI 201600092 A SI201600092 A SI 201600092A SI 201600092 A SI201600092 A SI 201600092A SI 25180 A SI25180 A SI 25180A
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- G08G1/00—Traffic control systems for road vehicles
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- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
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Abstract
Naprava (VPDE) za zaznavanje prisotnosti motornega vozila na prometni površini je opremljena z univerzalnim prefabriciranim večvozliščnim sensorskim trakom (MNSR), kije z izolirno oblogo (IS) obdana upogibna brezkončna trakasta plošča (PCB) s tiskanim vezjem, na kateri so senzorska vozlišča (SN) drugo od drugega oddaljena za vsakič isto razdaljo ins, ki je reda velikosti polovične širine najožjega nadzorovanega motornega vozila. Senzorski trak (MNSR) se preprosto in hitro vgradi, polaganje in vgradnjo pa lahko opravi nekvalificirana oseba. V posebnem izvedbenem primeru dolžina vgrajenega senzorskega traku (MNSR) na ugoden način ni navzgor omejena s fizikalnimi razlogi za zgornjo mejo dolžine serijskega komunikacijskega vodila; zato se vsa nadzorovana mesta celo na zelo razsežni prometni površini lahko pokrijejo z enim samim takim senzorskim trakom.The device (VPDE) for detecting the presence of a motor vehicle on the traffic surface is equipped with a universal prefabricated multi-track sensor strip (MNSR), which is equipped with a printed circuit board with end-to-end circuit board (PCB) with an insulating lining (IS), on which the sensor nodes ) are separated from each other by the same distance each each time, which is of the order of the half-width of the narrowest-controlled motor vehicle. The sensor tape (MNSR) is easy and quick to install, and installation and installation can be carried out by an unqualified person. In a particular embodiment, the length of the built-in sensor tape (MNSR) is conveniently not limited by the physical reasons for the ceiling of the length of the serial communication bus; so all controlled areas, even on very large traffic surfaces, can be covered with a single such sensor strip.
Description
Naprava za zaznavanje prisotnosti motornega vozila na prometni površiniA device for detecting the presence of a motor vehicle on a traffic surface
Predmet izuma se nanaša na napravo za zaznavanje prisotnosti motornega vozila na prometni površini, obstoječo iz nadzorno napajalne enote in nanjo priključenega večvozliščnega senzorskega kabla, ki poleg napetostno napajalnega vodila in serijskega komunikacijskega vodila obsega senzorska vozlišča, od katerih vsako obsega magnetometer, mikrokrmilnik, ki krmili magnetometer in zbira podatke o izmerjeni spremembi gostote magnetnega polja na mestu tega magnetometra, ko se nad njim postavi motorno vozilo, in komunikacijski vmesnik, ki neposredno povezuje mikrokrmilnik s serijskim komunikacijskim vodilom.The subject of the invention relates to a device for detecting the presence of a motor vehicle on a traffic surface, existing from a control unit and a multi-sensor sensor cable connected to it, which in addition to the voltage supply bus and the serial communication bus comprises sensor nodes, each comprising a magnetometer, a microcontroller, which controls magnetometer and collects data on the measured change in magnetic field density at the location of this magnetometer when positioned above the motor vehicle and a communication interface that directly connects the microcontroller to the serial communication bus.
Izum je po mednarodni klasifikaciji patentov uvrščen v razreda G 01R 33/02 in G01R33/09.According to the international patent classification, the invention is classified in classes G 01R 33/02 and G01R33 / 09.
Znanje magnetometrski detektor za motoma vozila (US 5.491.475). Številni magnetometri, ki so pritrjeni na kablu in razmaknjeni za vnaprej izmerjene razdalje, se namestijo v voznem pasu cestišča. Vsak magnetometer je pritrjen na majhni ploščici s tiskanim vezjem, ki je opremljena z elektronskim vezjem za oblikovanje signalov in podatkovno komuniciranje in je zatesnjeno pritrjena • · · na kabel. Po kablu se informacija o prometu na tem voznem pasu prenese do jaška ob robu cestišča in naprej do krmilnika. Obdelani izhodni podatki nato skozi modem potujejo do oddaljene krmilno-podatkovne postaje. Izdelava posebne kabelske opreme za vsak primer posebej in njena vgradnja sta dragi; ti stroški se morajo zmanjšati.Knowledge magnetometer detector for motor vehicles (US 5,491,475). Many magnetometers attached to the cable and spaced for pre-measured distances are positioned in the lane of the roadway. Each magnetometer is attached to a small printed circuit board equipped with an electronic circuit for signaling and data communication and sealed • · · to the cable. Through the cable, traffic information on this lane is transmitted to the shaft at the edge of the road and forward to the controller. The processed output data is then routed through the modem to a remote control station. The production of special cable equipment on a case by case basis and its installation are expensive; these costs must be reduced.
Aparat za brezdotično zaznavanje vozil obsega modul za vrednotenje, napajalni modul in niz, ki obstoji iz množice senzorskih vozlišč in je priključen na omenjena modula. Modula sta nameščena v razdelilni omarici (US2014/ 0021947 Al). Senzorska vozlišča obsegajo magnetometer, mikrokrmilnik in komunikacijski vmesnik. Na sosednja senzorska vozlišča so priključena s kablom, ki obsega napetostno napajalno vodilo in eno samo serijsko komunikacijsko vodilo. Predmet omenjene patentne prijave so nekatere ugodne, a ne nujno smotrne konfiguracije senzorskih vozlišč vzdolž omenjenega niza, ki ga je treba prilagoditi obstoječim parkirnim mestom: senzorska vozlišča v skupini senzorskih vozlišč so med seboj enakomerno razmaknjena, toda že sosednji senzorski vozlišči, ki pripadata sosednjima skupinama senzorskih vozlišč, sta drugače razmaknjeni; tudi razmik med prvim senzorskim vozliščem in razdelilno omarico je drugačen, poleg tega se predlaga tudi množica segmentov niza senzorskih vozlišč v obliki zvezde ali drevesa, pri čemer segment lahko obsega le celo eno samo senzorsko vozlišče. Številčnost omenjenih konfiguracij senzorskih vozlišč vpliva na časovno zahtevno in drago tako izdelavo kot tudi vgradnjo niza senzorskih vozlišč. Za vgradnjo takšnega niza so potrebni kvalificirani delavci.The device for the unconditioned detection of vehicles comprises an evaluation module, a power module, and a set consisting of a plurality of sensor nodes and connected to said modules. The modules are located in the distribution box (US2014 / 0021947 Al). The sensor nodes include a magnetometer, a microcontroller and a communication interface. They are connected to adjacent sensor nodes by a cable comprising a voltage supply bus and a single serial communication bus. The subject matter of the aforementioned patent application is some advantageous, but not necessarily reasonable, configuration of sensor nodes along said array to be adapted to existing parking spaces: sensor nodes in the group of sensor nodes are spaced evenly apart, but already adjacent sensor nodes belonging to adjacent groups the sensor nodes are otherwise spaced apart; the spacing between the first sensor node and the distribution box is also different, and a plurality of segments of a set of star or tree sensor nodes are proposed, the segment being able to comprise only a single sensor node. The abundance of these sensor node configurations affects the time-consuming and costly construction and installation of sensor node sets. Qualified workers are required to install such an array.
Naloga izuma je, izdelati takšno napravo, da bo kot predizdelana univerzalna naprava za zaznavanje prisotnosti motornega vozila primerna za hitro in preprosto nameščanje na poljubno razmeščenih nadzorovanih mestih prometne • · · • · « površine, v posebnem izvedbenem primeru pa tudi za nadzorovana mesta na zelo razsežni prometni površini.It is an object of the invention to make such a device that, as a prefabricated universal vehicle presence detection device, it will be suitable for quick and easy installation on any supervised location of a traffic •, · · · · surface, and in a particular embodiment also for controlled locations at very large traffic area.
Navedena naloga je rešena z napravo po izumu za zaznavanje prisotnosti motornega vozila na prometni površini, pri čemer je njen osnovni izvedbeni primer opredeljen z značilnostmi iz označujočega dela prvega patentnega zahtevka in je njen ugoden posebni izvedbeni primer dodatno opredeljen z značilnostmi iz označujočega dela drugega patentnega zahtevka, nadaljnji podzahtevki pa opredeljujejo variante obeh izvedbenih primerov.The said task is solved by a device according to the invention for detecting the presence of a motor vehicle on a traffic surface, wherein its basic embodiment is defined by the features of the marking part of the first claim and its favorable special embodiment is further defined by the features of the marking part of the second patent claim and the further sub-claims define the variants of both embodiments.
Izdelava senzorskega traku naprave po izumu za zaznavanje prisotnosti motornega vozila na prometni površini je preprosta, ker ni potrebno prilagajati senzorski trak vsaki razporeditvi nadzorovanih prostorov, na katerih naj se zazna motorno vozilo. Tak senzorski trak je univerzalno uporaben ne glede na razporeditev nadzorovanih prostorov. Izdeluje se v nekaj izvedbah, ki se razlikujejo po medvozliščni razdalji.The fabrication of the sensor strip of the device according to the invention for detecting the presence of a motor vehicle on a traffic surface is simple, since it is not necessary to adjust the sensor strip to each arrangement of controlled spaces on which the motor vehicle is to be detected. Such a sensor tape is universally applicable regardless of the layout of the controlled spaces. It is made in several designs that differ in inter-center distance.
Senzorski trak naprave po izumu se preprosto in bistveno hitreje vgradi, saj ni treba paziti na pozicioniranje senzorskih vozlišč glede na meje nadzorovanih prostorov, torej ni potrebno vnaprej označiti pozicije senzorskih vozlišč. Vgradnjo lahko opravijo nekvalificirane osebe.The sensor strip of the device according to the invention is easily and significantly faster installed, since there is no need to watch the positioning of the sensor nodes relative to the boundaries of the monitored spaces; Installation may be performed by unqualified persons.
Že z vgradnjo naprave po izumu je zagotovljena redundantna namestitev senzorskih vozlišč - vsaj dve senzorski vozlišči N zaznata motorno vozilo na vsakem parkirnem prostoru - in ob okvari katerega od njih naprava po izumu deluje. Stroški vzdrževanja te vgrajene naprave po izumu so torej bistveno manjši, vgrajena naprava po izumu pa se zaradi visoke enakomerne linearne gostote senzorskih vozlišč minimalno podraži.The installation of the device according to the invention already ensures the redundant installation of sensor nodes - at least two sensor nodes N detect the motor vehicle in each parking space - and in case of failure of any of them the device according to the invention works. The maintenance costs of this built-in device according to the invention are therefore substantially less, and the built-in device according to the invention is minimally expensive due to the high uniform linear density of the sensor nodes.
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V posebnem izvedbenem primeru naprave po izumu pa je dolžina vgrajenega senzorskega traku na ugoden način navzgor neomejena s fizikalnimi razlogi za zgornjo mejo dolžine serijskega komunikacijskega vodila; zato se vsa nadzorovana mesta celo na zelo razsežni prometni površini lahko pokrijejo z enim samim senzorskim trakom.In the particular embodiment of the device according to the invention, however, the length of the mounted sensor strip is advantageously upwardly limited by the physical reasons for the upper limit of the length of the serial communication bus; therefore, all monitored sites can be covered with a single sensor strip even on a very large traffic surface.
Naprava po izumu v posebnem izvedbenem primeru je tudi odpornejša na odpoved. Ob prekinitvi posameznih segmentov enega komunikacijskega vodila podatkovni tok po drugem serijskem komunikacijskem vodilu zaobide te segmente in naprava po izumu nemoteno deluje. Šele prekinitev obeh serijskih komunikacijskih vodil med dvema sosednjima senzorskima vozliščema ustavi delovanje te naprave.The device according to the invention in a particular embodiment is also more resistant to failure. When individual segments of one communication bus are interrupted, the data stream after the other serial communication bus bypasses those segments and the device according to the invention operates smoothly. Only the interruption of both serial communication buses between two adjacent sensor nodes stops the operation of this device.
Izum bo v nadaljnjem podrobno obrazložen na osnovi opisa osnovnega izvedbenega primera in ugodnega posebnega izvedbenega primera naprave po izumu za zaznavanje prisotnosti motornega vozila na prometni površini ter pripadajočega načrta, ki prikazuje na sl. 1 napravo po izumu na shematičen način z olupljenim in povečanim predelom večvozliščnega senzorskega kabla okoli enega od senzorskih vozlišč, sl. 2a in 2b namestitev naprave po izumu z večvozliščnim senzorskim trakom na delu prometne površine za parkiranje motornih vozil drugega ob drugem oziroma drugega za drugim in sl. 3 v posebnem izvedbenem primeru naprave po izumu dve sosednji senzorski vozlišči skupaj z napetostno napajalnim vodilom in serijskim komunikacijskim vodilom in dodatnim serijskim komunikacijskim vodilom.The invention will hereinafter be explained in detail based on the description of the basic embodiment and the advantageous special embodiment of the device according to the invention for detecting the presence of a motor vehicle on a traffic surface and the corresponding plan showing in FIG. 1 is a schematic view of a device according to the invention with a peeled and enlarged section of a multi-node sensor cable around one of the sensor nodes, FIG. 2a and 2b, installing a device according to the invention with a multi-lane sensor strip on a portion of the traffic surface for parking vehicles side by side or side by side, and FIG. 3, in a particular embodiment of the device according to the invention, two adjacent sensor nodes together with a voltage supply bus and a serial communication bus and an additional serial communication bus.
Naprava VPDE za zaznavanje prisotnosti motornega vozila na prometni površini na znan način obstoji iz nadzorno napajalne enote CSU in nanjo priključenega večvozliščnega senzorskega kabla (Sl. 1). Večvozliščni senzorski kabel na znan način obsega napetostno napajalno vodilo VSB, serijsko komunikacijsko vodilo CB in senzorska vozlišča SN.The VPDE device for detecting the presence of a motor vehicle on a traffic surface, in a known manner, consists of a CSU control unit and a multi-cable sensor cable connected to it (Fig. 1). The multi-node sensor cable comprises, in a known manner, a VSB voltage supply bus, a CB serial communication bus, and SN sensor nodes.
Vsako senzorsko vozlišče SN na znan način obsega magnetometer M, mikrokrmilnik MC, ki krmili magnetometer M in zbira podatke o izmerjeni spremembi gostote zemeljskega magnetnega polja zaradi prihoda motornega vozila v bližino magnetometra M, in komunikacijski vmesnik CI. Komunikacijski vmesnik CI povezuje mikrokrmilnik MC in serijsko komunikacijsko vodilo CB.Each sensor node SN in a known manner comprises a magnetometer M, a microcontroller MC that controls the magnetometer M and collects data on the measured change in the density of the earth's magnetic field due to the motor vehicle's arrival near the magnetometer M, and the CI communication interface. The CI communication interface connects the MC microcontroller and the CB serial bus.
Po izumu pa so senzorska vozlišča SN vzdolž celega večvozliščnega senzorskega kabla na ugoden način drugo od drugega oddaljena za vsakič isto izbrano razdaljo ins (Sl. 1 in 2a). Izbrana razdalja ins senzorskega vozlišča SNi od enega in drugega sosednjega senzorskega vozlišča je reda velikosti polovične širine scw najožjega predvidenega motornega vozila, tako da vsaj dve senzorski vozlišči SN zaznata vsako parkirano motorno vozilo. Izbrana razdalja ins je glede na izvedbo lahko tudi nekoliko krajša ali daljša.According to the invention, the sensor nodes SN are conveniently spaced apart from each other by the same selected ins distance (Figs. 1 and 2a) along the entire multi-node sensor cable. The selected distance ins of the SNi sensor node from one and the other adjacent sensor nodes is of the order of magnitude of the half-width scw of the narrowest intended motor vehicle, such that at least two SN sensor nodes detect each parked motor vehicle. The selected ins distance may also be slightly shorter or longer depending on the performance.
Po izumu naprava VPDE za zaznavanje prisotnosti motornega vozila na prometni površini s pomočjo v vseh magnetometrih M stvorjenih signalov logično identificira zaporedna stacionarna stanja, ki se vzpostavijo z zaporedno postavitvijo enega samega motornega vozila na vsakič le eno izbrano nadzorovano mesto prometne površine. Gre za signale, ki jih ob vzpostavitvi vsakega od teh stacionarnih stanj tvorijo vsi omenjenemu motornemu vozilu • · · • · · bližnji magnetometri M, ki zaznajo spremembo gostote zemeljskega magnetnega polja zaradi prihoda motornega vozila v svojo bližino.According to the invention, a VPDE device for detecting the presence of a motor vehicle on a traffic surface, using all the magnetometers M generated, logically identifies successive stationary states that are established by sequentially positioning a single motor vehicle on each selected single controlled area of the traffic surface. These are the signals generated by each of these motor vehicles upon the establishment of each of these stationary states. • · · · · · Near magnetometers M, which detect a change in the density of the earth's magnetic field due to the arrival of the motor vehicle in its vicinity.
Naprava VPDE po izumu pa vsakemu od teh zaporednih stacionarnih stanj priredi oznako za to nadzorovano mesto, pri čemer ji je ta oznaka sporočena preko zunanje komunikacijske povezave.However, the VPDE device of the invention assigns to each of these successive stationary states a label for this monitored location, which is communicated to it through an external communication link.
Naprava VPDE po izumu se nastavi, bodisi tako da senzorska vozlišča N posredujejo izmerjene vrednosti nadzorno napajalni enoti CSU, ki odloča o prisotnosti motornih vozil na nadzorovanih mestih, bodisi tako da senzorska vozlišča N sama odločijo o prisotnosti motornih vozil na nadzorovanih mestih in nadzorno napajalni enoti CSU posredujejo svoje odločitve.The VPDE device of the invention is configured either to provide sensor nodes to transmit measured values to a CSU monitoring power unit that determines the presence of motor vehicles at supervised sites, or to allow the N sensor nodes to decide for themselves the presence of motor vehicles at supervised sites and control power unit CSUs communicate their decisions.
Naprava VPDE po izumu je na ugoden način izvedena z univerzalnim prefabriciranim večvozliščnim senzorskim trakom MNSR kot večvozliščnim senzorskim kablom. Osrednji del univerzalnega prefabriciranega večvozliščnega senzorskega traku MNSR je na ugoden način izveden kot upogibna brezkončna trakasta plošča PCB s tiskanim vezjem, na kateri so izvedeni napetostno napajalno vodilo VSB, serijsko komunikacijsko vodilo CB in senzorska vozlišča SN, ki so razmanknjena za vsakič za isto omenjeno razdaljo ins.The VPDE device according to the invention is advantageously implemented with the universal prefabricated multi-node sensor strip MNSR as a multi-node sensor cable. The central part of the universal prefabricated multilayer sensor strip MNSR is advantageously constructed as a bending endless PCB strip with a printed circuit on which the voltage supply bus VSB, the serial communication bus CB and the sensor nodes SN are spaced apart for each other. ins.
Brezkončna trakasta plošča PCB s tiskanim vezjem je tesno obdana z izolimo oblogo IS, tako da sta zunanji prečni razsežnosti večvozliščnega senzorskega traku MNSR le okoli 1 do 3milimetre krat 5 do 20 milimetrov. Izolima obloga IS je lahko tudi v obliki cevi.The PCB endless printed circuit board is tightly enclosed by an insulated IS lining so that the outer transverse dimensions of the MNSR multi-lane sensor strip are only about 1 to 3 millimeters by 5 to 20 millimeters. The IS insulating coating may also be in the form of tubes.
Naprava VPDE po izumu na ugoden način uporablja triosni magnetno uporovni sensor kot magnetometer M. Magnetno uporovni sensor je primeren zaradi nizke cene, nizke porabe energije in velikosti le nekaj kvadratnih milimetrov.The VPDE device of the invention advantageously utilizes a three-axis magnetically resistive sensor as a magnetometer M. The magnetically resistive sensor is suitable because of its low cost, low power consumption, and size of only a few square millimeters.
Osnovni izvedbeni primer naprave VPDE po izumu za zaznavanje prisotnosti motornega vozila na prometni površini je v obsegu zgornjega opisa predstavljen na sliki 1, medtem ko celotna slika 1 dejansko predstavlja poseben izvedbeni primer naprave VPDE po izumu.The basic embodiment of the VPDE device of the invention for detecting the presence of a motor vehicle on a traffic surface is presented in FIG. 1 in the scope of the above description, while the entire figure 1 actually represents a specific embodiment of the VPDE device of the invention.
V posebnem izvedbenem primeru naprava VPDE po izumu poleg obstoječega serijskega komunikacijskega vodila CB na ugoden način obsega še vsaj eno dodatno serijsko komunikacijsko vodilo CB’ in v vsakem senzorskem vozlišču SN poleg obstoječega komunikacijskega vmesnika CI obsega še vsaj en dodaten komunikacijski vmesnik CI’ ter krmiljena polprevodniška stikala CSS inCSS‘.In a specific embodiment, the VPDE device according to the invention in addition to the existing serial communication bus CB advantageously comprises at least one additional serial communication bus CB 'and at each sensor node SN includes at least one additional communication interface CI' and the controlled semiconductor interface in addition to the existing communication interface CI switches CSS andCSS '.
Krmiljena polprevodniška stikala CSS, CSS‘ povezujejo mikrokrmilnik MC s serijskim komunikacijskim vodilom CB oziroma dodatnim serijskim komunikacijskim vodilom CB’. Krmili jih mikrokrmilnik MC.CSS semiconductor switches, CSS 'connect the MC microcontroller to the CB serial bus or optional CB serial bus'. They are controlled by the MC microcontroller.
Eno od teh stikal je povezano tako, da razklenitev stikala razdeli serijsko komunikacijsko vodilo na dva segmenta; drugo stikalo je povezano tako, da sklenitev stikala poveže komunikacijski vmesnik s prvim segmentom serijskega komunikacijskega vodila; tretje stikalo pa je povezano tako, da sklenitev stikala poveže komunikacijski vmesnik z drugim segmentom serijskega komunikacijskega vodila.One of these switches is connected in such a way that breaking the switch divides the serial communication bus into two segments; the second switch is connected in such a way that the conclusion of the switch connects the communication interface to the first segment of the serial communication bus; and the third switch is connected such that the conclusion of the switch connects the communication interface to the second segment of the serial communication bus.
Krmiljena polprevodniška stikala CSS, CSS‘ so privzeto natavljena tako, da je vsako od obeh serijskih komunikacijskih vodil CB, CB’ sklenjeno, komunikacijska vmesnika CI, CI’ senzorskega vozlišča SN pa sta odklopljeni od serijskih komunikacijskih vodil CB, CB’.CSS 'CSS' control switches are by default arranged so that each of the two serial communication buses CB, CB 'is closed and the communication interfaces CI, CI' of the SN sensor node are disconnected from the serial communication buses CB, CB '.
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V primeru odpovedi mikrokrmilnika MC se krmiljena polprevodniška stikala CSS, CSS‘ postavijo v privzeti položaj in nedelujoče senzorsko vozlišče SN je odklopljeno od serijskega komunikacijskega vodila CB, CB'.In the event of failure of the MC microcontroller, the control semiconductor switches CSS, CSS 'are placed in the default position and the inactive SN sensor node is disconnected from the serial communication bus CB, CB'.
Krmiljena polprevodniška stikala CSS, CSS‘ omogočajo, da senzorsko vozlišče SN prekine serijsko komunikacijsko vodilo CB, CB' in da svoj komunikacijski vmesnik CI, CI' priklopi na neprekinjeno serijsko komunikacijsko vodilo CB, CB' ali na enega izmed dveh segmentov prekinjenega serijskega komunikacijskega vodila CB, CB'.CSS switched semiconductor switches, CSS 'enable the SN sensor node to terminate the serial communication bus CB, CB' and to connect its communication interface CI, CI 'to a continuous serial communication bus CB, CB' or to one of two segments of the interrupted serial communication bus CB, CB '.
Mikrokrmilnik MC lahko na dva segmenta razdeli eno izmed serijskih komunikacijskih vodil CB, CB', na katero je priklopljen. Tako se priklopi na enega izmed segmentov razdeljenega serijskega komunikacijskega vodila CB, CB'. V tem primeru posreduje podatke med segmentom serijskega komunikacijskega vodila, na katerega je priklopljen, in drugim segmentom serijskega komunikacijskega vodila, tako da se podatkovni tok ohrani skozi celoten senzorski trak.The MC microcontroller can split into two segments one of the serial communication buses CB, CB 'to which it is connected. This connects to one of the segments of the distributed serial communication bus CB, CB '. In this case, it transmits data between the serial communication bus segment to which it is connected and the other serial communication bus segment, so that the data stream is maintained throughout the entire sensor strip.
Z delitvijo serijskega komunikacijskega vodila na več segmentov se zagotovi, da posamezen segment ne preseže največje fizikalno dopustne dolžine serijskega komunikacijskega vodila in največjega števila priklopljenih senzorskih vozlišč za izbrani tip serijskega komunikacijskega vodila. Delitev serijskega komunikacijskega vodila ne omeji pretoka podatkov, saj se pretok podatkov preusmeri na drugo serijsko komunikacijsko vodilo.By dividing the serial communication bus into several segments, it is ensured that each segment does not exceed the maximum physically permissible length of the serial communication bus and the maximum number of sensor nodes connected for the selected serial communication bus type. Sharing a serial communication bus does not restrict the flow of data, since the data flow is redirected to another serial communication bus.
Ob prekinitvi posameznih segmentov enega serijskega komunikacijskega vodila podatkovni tok po drugem serijskem komunikacijskem vodilu zaobide te segmente in naprava nemoteno deluje. Šele prekinitev obeh serijskih komunikacijskih vodil med dvema sosednjima senzorskima vozliščema SN ustaviWhen individual segments of one serial communication bus are interrupted, the data stream over the other serial communication bus bypasses those segments and the device operates smoothly. Only the interruption of both serial communication buses between two adjacent SN sensor nodes stops
delovanje naprave VPDE po izumu, ki je v tem posebnem izvedbenem primeru odpornejša na odpoved kritičnih komponent.the operation of the VPDE device according to the invention, which in this particular embodiment is more resistant to failure of critical components.
Večvozliščni senzorski trak MNSR naprave po izumu se od nadzorno napajalne enote CSU do zadnjega nadzorovanega mesta prometne površine po najkrajši poti položi preko vse nadzorovane prometne površine, tako da poteka približno preko središča vsakega nadzorovanega mesta - na primer mesta za parkiranje motornih vozil drugega ob drugem (Sl. 2a) oziroma drugega za drugim (Sl. 2b) - nadzorovane prometne površine, in se pritrdi. Polaganje lahko opravi nekvalificirana oseba, saj izbira poti ni zahtevna. Zaradi velike linearne gostote senzorskih vozlišč SN namreč niso potrebne posebne namestitvene konfiguracije znotraj posameznega nadzorovanega mesta.The multi-lane sensor strip of the MNSR device of the invention is positioned from the CSU feeder unit to the last monitored traffic surface area over the entire monitored traffic surface by passing approximately the center of each monitored site - for example, a motor vehicle parking site side by side ( Fig. 2a) or one after the other (Fig. 2b) - controlled traffic areas, and is fixed. Laying can be done by an unqualified person as the choice of route is not difficult. Because of the high linear density of SN sensor nodes, specific installation configurations are not required within each monitored site.
Položeni večvozliščni senzorski trak MNSR se bodisi vstavi v ozek in plitev utor, ki se vreže v prometno površino, in se zalije s primemo maso bodisi pritrdi na prometno površino.The deposited MNSR multi-lane sensor strip is either inserted into a narrow and shallow groove that cuts into the traffic surface and is sealed with a ground or fastened to the traffic surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI201600092A SI25180A (en) | 2016-04-01 | 2016-04-01 | A device for detecting the presence of a motor vehicle on a road surface |
| EP17000517.7A EP3226224A1 (en) | 2016-04-01 | 2017-03-29 | Equipment for detecting presence of a motor vehicle on a traffic area |
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| SI201600092A SI25180A (en) | 2016-04-01 | 2016-04-01 | A device for detecting the presence of a motor vehicle on a road surface |
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| US5491475A (en) | 1993-03-19 | 1996-02-13 | Honeywell Inc. | Magnetometer vehicle detector |
| US5471139A (en) * | 1993-06-28 | 1995-11-28 | Ems Development Corporation | Fiber optic line magnetometer having thermal compensation |
| EP2128837A1 (en) * | 2008-05-30 | 2009-12-02 | MEAS Deutschland GmbH | Device for sensing at least one property of a surface-bound vehicle |
| DE202012008162U1 (en) | 2012-07-19 | 2012-11-19 | Uli Vietor | Device for the contactless detection of vehicles |
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