EP1256502A2 - Unfall-/Brandschutz bei Fahrzeugen - Google Patents
Unfall-/Brandschutz bei Fahrzeugen Download PDFInfo
- Publication number
- EP1256502A2 EP1256502A2 EP02010109A EP02010109A EP1256502A2 EP 1256502 A2 EP1256502 A2 EP 1256502A2 EP 02010109 A EP02010109 A EP 02010109A EP 02010109 A EP02010109 A EP 02010109A EP 1256502 A2 EP1256502 A2 EP 1256502A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- vehicles
- difference
- detectors
- wheels
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000011156 evaluation Methods 0.000 claims description 14
- 230000001133 acceleration Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 3
- 230000001934 delay Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract 2
- 238000013528 artificial neural network Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 5
- 238000003070 Statistical process control Methods 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/12—Measuring or surveying wheel-rims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
Definitions
- the invention relates to an apparatus and a method for avoiding accidents caused by road, Rail and aircraft.
- the invention has for its object the prevent accidents described in an improved manner.
- a device provided for the technical inspection of vehicles the two on either side of a lane or mirror-symmetrically attached to a vehicle Has detectors.
- the detectors are positioned that physical properties are symmetrical at two Devices attached to the vehicle measured can be.
- Such facilities are for example Tires and wheel bearings on a car.
- a physical Property in the sense of the invention is, for example the noise or the occurring Tire or wheel bearing temperature.
- the device comprises an evaluation unit with which a difference between two at the same time by the two Detectors measured values is evaluated.
- a warning device is provided in the device, which gives a warning signal when from the evaluation exceeding a predetermined threshold value results.
- the warning signal is sent to, for example Vehicle driver transmitted. This can be done with the prompt connected to stop his vehicle.
- One at Exceeding the threshold at the red traffic light can be a warning device in the sense of the invention his.
- Microphones for noise measurement and / or temperature measuring devices are in one embodiment of the invention as. Detectors used.
- a tunnel represents a typical danger point in the sense of the invention since an accident in a tunnel with particularly great dangers for the rest Road users are connected.
- the device is therefore preferably located before entering a Tunnel or an underpass or before or at the beginning a runway for aircraft.
- the device is in According to the invention "before" such a danger point attached if by this attachment the vehicles be checked, the danger point with great Probability will actually happen. Is there, for example, before entering a tunnel several more branches that are not in the The tunnel is behind the device branch roads. A fork However, it can be provided before the tunnel to detect defects To redirect vehicles.
- a Physical properties of the vehicle such as Temperatures and / or noise at two symmetrical Devices attached to the vehicle measured.
- Tires, Wheels, wheel bearings, exhausts and / or engines represent such facilities. It becomes the difference between two of the physical measured at the same time Properties determined.
- the vehicle is stopped when the difference is one exceeds the predetermined threshold and thus on indicates a defect.
- the measurement can either be stationary or mobile on the vehicle be performed.
- the stationary measurement is to be preferred, if particularly dangerous routes are universal are to be secured. examples for this are Entrances into a tunnel or a runway of one Airport. Then all vehicles are checked, that drive into a tunnel or that of want to take off from a runway independently from the individual safety equipment of the respective Vehicle.
- Tire, wheel and storage temperatures, but also the temperature individual parts of the cargo on road vehicles can be determined when driving through a measuring section become. By forming the difference between the measured temperatures with or without statistical analysis can disturbances or damage that occurs to the aforementioned parts be recognized early.
- Engine and exhaust gas temperatures in aircraft can be measured in a targeted manner.
- a neural Network By forming the difference between Thermal images with or without evaluation by a neural Network then represents the value used to determine Accidents.
- Landing gear and / or wheel bearing temperatures of aircraft before and during the start can be measured symmetrically to get information regarding possible defects to win.
- the speed is preferred according to the invention as well as acceleration or braking of the Vehicles measured. It is then checked, for example, whether there are temperatures in tires or wheel bearings occur, move in the normal framework. Otherwise, it will a warning sign.
- This configuration differs from the aforementioned by not measuring a reference signal. Instead of of which absolute values are evaluated and from one of them the resulting suspicion of a fault, a warning signal is issued.
- the warning signal is either sent to the vehicle driver and / or forwarded to an external body, by of the required protective measures manually or be initiated automatically.
- Acceleration or deceleration is measured because this causes typical changes in the operating state become. These are in the evaluation or evaluation to consider.
- the invention is preferably used stationary.
- the stationary version is especially designed so that these at all times in terms of weight and technical effort to be brought to another location can.
- the cost of stationary measuring equipment is extremely low, as a single system every day can check many thousands of vehicles. Furthermore is a complete recording of all road, rail and runway users only with a stationary System possible.
- Measuring points in front of the entrances to the train stations and ferries are advantageous because there is an uncoupling defective vehicle causes the least problems.
- Other measuring points are especially in front of slow speed points, and to provide hiking construction sites. These measuring points must be set up in front of the relevant danger point be that the train driver has a radio signal is asked to brake and the speed can still reduce with a normal braking, if he has not yet initiated a delay at this point. If he does not respond to this signal, it will follow up short time delay another signal which is switched so that then an automatic Braking is initiated.
- Equipment would have the serious railway accident in Brühl, Germany.
- the setup would be one device per Kilometers of runway and in special cases also sensible on the taxiways. In road traffic would be additional to those already mentioned Installation options for other installations on strong Slope advantageous. Because here too many serious accidents have occurred in the past which were particularly involved in road trains and buses. Usually these accidents were caused by too late or wrong downshifting and the associated thermal overload of the wheel brakes caused. If the driver is warned here early, then he can still drive the vehicle before the complete Bring brake failure to a halt. They are here too Cost of a stationary system in relation to the number the measurements are negligible.
- Trucks and their cargo should be checked before entering in a ferry, but also before loading "Piggyback trains" checked for possible heat radiation to be a future fire like he did some time ago in the tunnel under the English Channel.
- Determination of the operating state by recording the speed, of acceleration and deceleration under Use of non-contact measurement methods and wherever they are is not possible due to space or traffic reasons, by induction loops.
- Detection of the reference signal by symmetrical Measurements using thermal imaging cameras, Heat and sound sensors. Evaluation of the measurement by forming the difference signal, Application through static process control (SPC) and the use of a neural network.
- SPC static process control
- Warning Methods Acoustically, optically and by mechanically blocking a street or roadway.
- Wheel rims are detected by inductive proximity sensors.
- Type of detectors used preferably regardless of Type of traffic (air, rail, road)
- neural networks make sense since it also evaluates the Picture of a complete vehicle.
- sensors to identify an individual Rades can e.g. to be dispensed with. Then it just becomes the difference of both sides was evaluated.
- specially neural networks are also capable of design-related Differences such as the location of the exhaust system recognizable in trucks. In addition, it is then possible Identify sources of fire on loads.
- a vehicle is sketched in supervision, which is provided with four wheels and drives into a measuring point at a speed v.
- the four wheels generate thermal images T 1 (L), T 2 (L), T 1 (R) and T 2 (R).
- the measuring point is equipped with several pressure sensors (D1, R), (D2, R), (D3, R), (D1, L), (D2, L), (D3, L) as well as a right and a left infrared camera (M , L) or (M, R).
- the pressure sensors (D1, R), (D2, R), (D3, R) and (D1, L), (D2, L), (D3, L) are arranged one behind the other with a respective distance d.
- a right first pressure sensor (D1, R) is assigned a first right transmitter (S1, R)
- a right second pressure sensor (D2, R) is assigned a second right transmitter (S2, R) etc.
- Measured values are transmitted to an evaluation unit via the transmitters.
- the first pair of wheels which generates the thermal images T 1 (L) and T 1 (R), acts on the first two pressure sensors (D1, R) and (D1, L) and a time measurement is performed in Gear set.
- the aforementioned first pair of wheels is detected for the second time at time t 1, namely by the pressure sensors (D2, R) and (D2, L).
- the aforementioned first pair of wheels is recorded for the third time in accordance with FIG. 4, namely by the pressure sensors (D3, R) and (D3, L).
- the second rear pair of wheels acts on the pressure sensors (D1, L) and (D1, R).
- the front pair of wheels is only identified as a pair of wheels when a subsequent pair of wheels is separated from the first two pressure sensors (D1, R) and (D1, L) at a distance of a few meters, which is typical for motor vehicles, for example less than 6 Meters is recorded.
- the type of movement is as follows rated.
- the measurement time t 3 is calculated on the basis of the driving behavior and the speed.
- the front pair of wheels is at the same height as the infrared cameras (M, L) and (M, R).
- T1 (L) and T1 (R) of the two infrared cameras (M, L) and (M, R) are taken at time t 3 first pair of wheels recorded symmetrically, as shown in Figure 5.
- the system has advantageously previously calculated the point in time t 3 on the basis of the determined speed along with any acceleration or deceleration which may have been determined, so that the system "knows" with great accuracy at what point in time the thermal images must be taken.
- FIG. 6 shows the plot of the normalized mean values determined as a function of a consecutive numbering x. It is made clear in FIG. 6 that a temperature difference threshold OEG is determined based on empirical values, which corresponds here to the dotted line. An alarm is triggered if the threshold value is exceeded. According to FIG. 6, this is the case for the value T 16, n .
- the thermal images recorded at time t 3 are also evaluated. First difference images are determined. Examples of possible results are shown in FIGS. 7a to 7c.
- a tire is significantly warmer than that other, which is due to low one-sided air pressure points.
- a brake has overheated because of a rim flange is much hotter than the opposite one.
- a camp has overheated because of overheating Area compared to the reference value on the area of Axis concentrated.
- the measured ones can also be used absolute temperature values depending on the speed and driving behavior are evaluated. They give way absolutely measured values of empirical values and one of them determined threshold value, an alarm is triggered.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Alarm Devices (AREA)
- Traffic Control Systems (AREA)
- Regulating Braking Force (AREA)
- Fire-Detection Mechanisms (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Fireproofing Substances (AREA)
- Insulated Conductors (AREA)
Abstract
Description
Claims (8)
- Vorrichtung für die technische Überprüfung von Fahrzeugenmit zwei zu beiden Seiten einer Fahrbahn oder spiegelsymmetrisch an einem Fahrzeug angebrachten Detektoren (M,R, M,L)mit einer Auswerteeinheit, mit der eine Differenz zwischen zwei zeitgleich durch die beiden Detektoren gemessenen Werte ausgewertet wird,mit einer Warneinrichtung, die ein Warnsignal abgibt, wenn aus der Auswertung das Überschreiten eines vorgegebenen Schwellwertes (OEG) resultiert.
- Vorrichtung nach Anspruch 1, bei der Mikrofone und/ oder Temperaturmessgeräte, die insbesondere zur Aufnahme von Wärmebildern dienen, als Detektoren eingesetzt sind.
- Vorrichtung nach Anspruch 1 oder 2, bei der die Vorrichtung vor der Einfahrt in einen Tunnel oder eine Unterführung oder vor oder am Anfang einer Startbahn für Flugzeuge angebracht ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, bei der Mittel 1 bis i (Si,R, Di,R, Si,R, Di,r, Si,L, Di,L, Si,L, Di,L) zur Geschwindigkeitsmessung und/ oder zur Messung der Beschleunigung oder Verzögerung eines Fahrzeugs vorgesehen sind, wobei insbesondere i=1 für eine einfache Erfassung, i=2 für eine Geschwindigkeitsmessung und i=3 für eine Beschleunigungsmessung ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, bei der Mittel (S1,R, D1,R, S1,R, D1,r, S1,L, D1,L, S1,L, D1,L) zur Geschwindigkeitsmessung und / oder zur Messung der Beschleunigung oder Verzögerung von einzelnen Rädern eines Fahrzeuges vorgesehen sind.
- Verfahren für die technische Überprüfung von Fahrzeugen mit den Schritten:zeitgleiches Messen der auftretenden Temperaturen und/ oder Geräusche bei zwei symmetrisch an einem sich fortbewegenden Fahrzeug angebrachten Einrichtungen, insbesondere am Fahrzeug angebrachten Reifen, Rädern, Radlagern, Auspuffen und/ oder Triebwerken,Ermittlung der Differenz zwischen zwei der zeitgleich gemessenen Temperaturen oder Geräusche,Anhalten des Fahrzeugs, wenn die Differenz einen vorgegebenen Schwellwert überschreitet.
- Verfahren nach dem vorhergehenden Anspruch, bei dem das Fahrzeug vor der Einfahrt in einen Tunnel, in eine Unterführung oder vor oder auf einer Startbahn für Flugzeuge bei Überschreiten des Schwellwertes angehalten wird.
- Verfahren nach einem der beiden vorhergehenden Ansprüche, bei dem die Geschwindigkeiten, Beschleunigungen und/ oder Verzögerungen des Fahrzeugs oder einzelnen Teilen des Fahrzeugs gemessen und ausgewertet werden.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10122183 | 2001-05-08 | ||
| DE10122183A DE10122183B4 (de) | 2001-05-08 | 2001-05-08 | Unfall-/Brandschutz bei Fahrzeugen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1256502A2 true EP1256502A2 (de) | 2002-11-13 |
| EP1256502A3 EP1256502A3 (de) | 2003-10-29 |
| EP1256502B1 EP1256502B1 (de) | 2006-04-05 |
Family
ID=7683926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02010109A Expired - Lifetime EP1256502B1 (de) | 2001-05-08 | 2002-05-08 | Unfall-/Brandschutz bei Fahrzeugen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1256502B1 (de) |
| AT (1) | ATE322413T1 (de) |
| DE (2) | DE10122183B4 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1772342A3 (de) * | 2005-10-07 | 2007-10-10 | Bernd Neuroth | Temperatur-Überwachungsvorrichtung für Radsatzlager |
| EP1992541A3 (de) * | 2007-05-14 | 2009-08-19 | Bernd Neuroth | Überwachungsvorrichtung für die Radsätze von Schienenfahrzeugen |
| CN112498282A (zh) * | 2020-11-12 | 2021-03-16 | 东风汽车集团有限公司 | 电动汽车失火自动报警装置 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2450947C1 (ru) * | 2010-12-14 | 2012-05-20 | Открытое Акционерное Общество "Российские Железные Дороги" | Автоматизированная система контроля ходовых частей вагонов с автоматизированным рабочим местом осмотрщика вагонов при встрече поезда "сходу" |
| RU2450948C1 (ru) * | 2010-12-14 | 2012-05-20 | Открытое Акционерное Общество "Российские Железные Дороги" | Автоматизированная система контроля ходовых частей вагонов |
| DE102019215666B4 (de) * | 2019-10-11 | 2022-09-22 | Zf Friedrichshafen Ag | Prozesseinheit zur Bremsgeräuscherkennung von durch ein Egofahrzeug erzeugten Bremsgeräuschen, Egofahrzeug und Verfahren |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4238151C2 (de) * | 1992-11-12 | 2002-11-28 | Rabotek Ind Comp Gmbh | Verfahren zur Ermittlung der Temperatur von Eisenbahnfahrzeugen und Fahrzeugkomponenten und Vorrichtung zur Durchführung des Verfahrens |
| DE19826422C2 (de) * | 1998-06-05 | 2002-09-26 | Bernd Woop | Vorrichtung zur kontinuierlichen Kontrolle der Radsätze von Schienenfahrzeugen auf mechanische Defekte und fehlerhaften Radlauf, sowie Detektion von gefährlichen Fahrzuständen |
| DE19826220A1 (de) * | 1998-06-09 | 1999-12-23 | Tamas Diebel | Vorrichtung zur Erkennung von Fahrwerkschäden an Schienenfahrzeugen während der Fahrt |
| DE19826437A1 (de) * | 1998-06-13 | 1999-12-16 | Werner Schubert | Kontrollvorrichtungen an Fahrwerken von Schienenbahnen |
| DE19830685A1 (de) * | 1998-07-04 | 2000-01-05 | Dieter H Gaertner | Vorrichtung zur Überwachung des Betriebsgeräusches von Transportmitteln und/oder zur Überwachung von Fahrstecken für Schienenfahrzeuge |
| DE19911848A1 (de) * | 1999-03-17 | 2000-09-21 | Robert Kuehn | Verfahren zur Überwachung von Daten betreffend den Betrieb von Schienenfahrzeugen |
-
2001
- 2001-05-08 DE DE10122183A patent/DE10122183B4/de not_active Expired - Fee Related
-
2002
- 2002-05-08 AT AT02010109T patent/ATE322413T1/de not_active IP Right Cessation
- 2002-05-08 EP EP02010109A patent/EP1256502B1/de not_active Expired - Lifetime
- 2002-05-08 DE DE50206280T patent/DE50206280D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| None |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1772342A3 (de) * | 2005-10-07 | 2007-10-10 | Bernd Neuroth | Temperatur-Überwachungsvorrichtung für Radsatzlager |
| EP1992541A3 (de) * | 2007-05-14 | 2009-08-19 | Bernd Neuroth | Überwachungsvorrichtung für die Radsätze von Schienenfahrzeugen |
| CN112498282A (zh) * | 2020-11-12 | 2021-03-16 | 东风汽车集团有限公司 | 电动汽车失火自动报警装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1256502B1 (de) | 2006-04-05 |
| EP1256502A3 (de) | 2003-10-29 |
| DE50206280D1 (de) | 2006-05-18 |
| DE10122183A1 (de) | 2002-11-28 |
| ATE322413T1 (de) | 2006-04-15 |
| DE10122183B4 (de) | 2004-02-26 |
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