DE102020207639B3 - Method for detecting a possible defect in a battery unit of an at least partially electrically driven vehicle, display and evaluation unit and vehicle - Google Patents
Method for detecting a possible defect in a battery unit of an at least partially electrically driven vehicle, display and evaluation unit and vehicle Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/80—Accessories, e.g. power sources; Arrangements thereof
- B62M6/90—Batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/20—Electric propulsion with power supplied within the vehicle using propulsion power generated by humans or animals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J43/00—Arrangements of batteries
- B62J43/10—Arrangements of batteries for propulsion
- B62J43/13—Arrangements of batteries for propulsion on rider-propelled cycles with additional electric propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/20—Cycle computers as cycle accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/42—Sensor arrangements; Mounting thereof characterised by mounting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J50/00—Arrangements specially adapted for use on cycles not provided for in main groups B62J1/00 - B62J45/00
- B62J50/20—Information-providing devices
- B62J50/21—Information-providing devices intended to provide information to rider or passenger
- B62J50/22—Information-providing devices intended to provide information to rider or passenger electronic, e.g. displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J50/00—Arrangements specially adapted for use on cycles not provided for in main groups B62J1/00 - B62J45/00
- B62J50/20—Information-providing devices
- B62J50/21—Information-providing devices intended to provide information to rider or passenger
- B62J50/225—Mounting arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/12—Bikes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/10—Driver interactions by alarm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
Abstract
Die Erfindung betrifft ein Verfahren zur Detektion eines möglichen Defekts einer Batterieeinheit eines mindestens teilweise elektrisch angetriebenen Fahrzeugs (1), wobei das Fahrzeug (1) eine interne Steuereinheit (4) zur Ansteuerung mindestens eines elektrischen Antriebs aufweist, wobei die interne Steuereinheit (4) datentechnisch mit einer externen Anzeige- und Auswerteeinheit (10) verbunden ist, wobei die Anzeige- und Auswerteeinheit (10) Daten mindestens eines Sensors (12) auswertet, um auf einen möglichen Defekt zu schließen, wobei die Anzeige- und Auswerteeinheit (10) bei Erfassung eines möglichen Defekts ein Warnsignal und/oder ein Steuersignal für die interne Steuereinheit (4) erzeugt, eine Anzeige- und Auswerteeinheit (10) sowie ein Fahrzeug (1).The invention relates to a method for the detection of a possible defect in a battery unit of an at least partially electrically powered vehicle (1), the vehicle (1) having an internal control unit (4) for controlling at least one electric drive, the internal control unit (4) being data-related is connected to an external display and evaluation unit (10), the display and evaluation unit (10) evaluating data from at least one sensor (12) in order to infer a possible defect, the display and evaluation unit (10) upon detection a possible defect generates a warning signal and / or a control signal for the internal control unit (4), a display and evaluation unit (10) and a vehicle (1).
Description
Die Erfindung betrifft ein Verfahren zur Detektion eines möglichen Defekts einer Batterieeinheit eines mindestens teilweise elektrisch angetriebenen Fahrzeugs, eine Anzeige- und Auswerteeinheit und ein Fahrzeug.The invention relates to a method for detecting a possible defect in a battery unit of an at least partially electrically driven vehicle, a display and evaluation unit and a vehicle.
Zwei- und Dreiräder (nachfolgend als Fahrzeuge bezeichnet), die zusätzlich zum Antrieb durch Muskelkraft eine elektrische Unterstützung erfahren (zum Beispiel Pedelec, e-Bike, e-Scooter, Lastenräder), führen Speicher für elektrische Energie mit sich. Nach einem Unfallereignis kann dieser Speicher beschädigt sein, was eine Gefahrenquelle darstellt, da sich beispielsweise Lithiumionenakkumulatoren bei Beschädigung spontan entzünden können.Two-wheelers and three-wheelers (hereinafter referred to as vehicles) which, in addition to being propelled by muscle power, are electrically assisted (e.g. pedelecs, e-bikes, e-scooters, cargo bikes) carry storage devices for electrical energy with them. This memory can be damaged after an accident, which is a source of danger, since lithium-ion batteries, for example, can spontaneously ignite if damaged.
Aus der
Aus der
Ein Problem bei derartigen Fahrzeugen gegenüber vollmotorisierten Kraftfahrzeugen ist der mangelnde Platz sowie die Kosten für die notwendigen Sensoren und Auswerteeinheiten.A problem with such vehicles compared to fully motorized motor vehicles is the lack of space and the costs for the necessary sensors and evaluation units.
Aus der
Der Erfindung liegt das technische Problem zugrunde, ein verbessertes Verfahren zur Detektion eines möglichen Defekts einer Batterieeinheit eines mindestens teilweise elektrisch angetriebenen Fahrzeugs zur Verfügung zu stellen sowie eine hierfür geeignete Anzeige- und Auswerteeinheit und ein geeignetes Fahrzeug.The invention is based on the technical problem of providing an improved method for detecting a possible defect in a battery unit of an at least partially electrically driven vehicle, as well as a suitable display and evaluation unit and a suitable vehicle.
Die Lösung des technischen Problems ergibt sich durch ein Verfahren mit den Merkmalen des Anspruchs 1, eine Anzeige- und Auswerteeinheit mit den Merkmalen des Anspruchs 6 sowie ein Fahrzeug mit den Merkmalen des Anspruchs 9. Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.The solution to the technical problem results from a method with the features of claim 1, a display and evaluation unit with the features of claim 6 and a vehicle with the features of claim 9. Further advantageous embodiments of the invention emerge from the subclaims.
Das Verfahren zur Detektion eines möglichen Defekts eines mindestens teilweise elektrisch angetriebenen Fahrzeugs, wobei das Fahrzeug eine interne Steuereinheit zur Ansteuerung mindestens eines elektrischen Antriebs aufweist, erfolgt dadurch, dass die interne Steuereinheit des Fahrzeugs datentechnisch mit einer externen Anzeige- und Auswerteeinheit verbunden ist. Dabei wertet die Anzeige- und Auswerteeinheit Daten mindestens eines Sensors aus, um auf einen möglichen Defekt zu schließen, wobei die Anzeige- und Auswerteeinheit bei Erfassung eines möglichen Defekts ein Warnsignal und/oder ein Steuersignal für die interne Steuereinheit erzeugt. Der Grundgedanke der Erfindung ist, mindestens die Auswertung eines möglichen Defekts rechentechnisch aus dem Fahrzeug auszulagern, sodass das Fahrzeug entsprechend geringer technisch ausgebildet sein kann. Der mögliche Defekt ist insbesondere eine mögliche Beschädigung eines Energiespeichers nach einem Unfall. Vorzugsweise ist die externe Anzeige- und Auswerteeinheit ein Smartphone. Das Warnsignal und/oder das Steuersignal können sehr unterschiedlich ausgebildet sein. So kann das Warnsignal einfach darin bestehen, optisch, akustisch und/oder haptisch den Nutzer auf den möglichen Defekt hinzuweisen, wobei alles weitere dem Nutzer überlassen bleibt. Erfolgt zusätzlich ein Steuersignal, beispielsweise um den Elektroantrieb abzuschalten bzw. abgeschaltet zu lassen, so kann das Warnsignal zusätzlich Erläuterungen zu dem Steuersignal enthalten. Das Warnsignal kann aber auch eine Aufforderung an den Nutzer sein, sich vom Fahrzeug zu entfernen (zum Beispiel wegen Brandgefahr). Weiter kann das Warnsignal alternativ oder ergänzend dazu dienen, Rettungskräfte zu alarmieren oder einen Betreiber einer Fahrzeugflotte zu informieren, dass das Fahrzeug gewartet werden muss. Das Steuersignal kann neben der Abschaltung des Elektroantriebs auch die Leistung des Elektroantriebs reduzieren oder ein Laden einer Batterieeinheit unterbinden. Alternativ oder ergänzend können elektrische Verbindungen aufgetrennt werden, um beispielsweise Funkenbildung durch Kurzschlüsse zu verhindern. Auch kann eine Kühleinrichtung für die Batterieeinheit aktiviert werden.The method for detecting a possible defect in an at least partially electrically powered vehicle, the vehicle having an internal control unit for controlling at least one electric drive, is carried out in that the internal control unit of the vehicle is connected for data purposes with an external display and evaluation unit. The display and evaluation unit evaluates data from at least one sensor in order to infer a possible defect, the display and evaluation unit generating a warning signal and / or a control signal for the internal control unit when a possible defect is detected. The basic idea of the invention is to outsource at least the evaluation of a possible defect computationally from the vehicle, so that the vehicle can be of correspondingly less technical design. The possible defect is, in particular, possible damage to an energy store after an accident. The external display and evaluation unit is preferably a smartphone. The warning signal and / or the control signal can be designed very differently. Thus, the warning signal can simply consist of visually, acoustically and / or haptically informing the user of the possible defect, everything else being left to the user. If there is also a control signal, for example in order to switch off or leave the electric drive switched off, the warning signal can also contain explanations of the control signal. The warning signal can, however, also be a request to the user to move away from the vehicle (for example because of the risk of fire). Furthermore, the warning signal can alternatively or additionally serve to alert rescue workers or to inform an operator of a vehicle fleet that the vehicle must be serviced. In addition to switching off the electric drive, the control signal can also reduce the power of the electric drive or prevent a battery unit from being charged. As an alternative or in addition, electrical connections can be separated in order, for example, to prevent sparks from short circuits. A cooling device for the battery unit can also be activated.
Dabei werden die Daten der Sensoren in Abhängigkeit der räumlichen Nähe der Sensoren zu einer Batterieeinheit bewertet. Befindet sich beispielsweise die Batterieeinheit im Heck des Fahrzeugs und fallen Sensoren im Bereich des Hecks aus oder liefern Signale, die auf einen Unfall schließen lassen, so spricht dies stärker für einen Defekt der Batterieeinheit als Signale, die beispielsweise von der Frontseite kommen.The data from the sensors are evaluated depending on the spatial proximity of the sensors to a battery unit. If, for example, the battery unit is in the rear of the vehicle and sensors in the area of the rear fail or if they supply signals that indicate an accident, this is more indicative of a defect in the battery unit than signals that come from the front, for example.
In einer Ausführungsform werden die Daten mehrerer Sensoren ausgewertet, wobei die Daten ausschließlich von Sensoren des Fahrzeugs oder ausschließlich von Sensoren der Anzeige- und Auswerteeinheit oder sowohl von Sensoren des Fahrzeugs als auch von Sensoren der Anzeige- und Auswerteeinheit der Anzeige- und Auswerteeinheit zur Erfassung eines möglichen Defekts zur Verfügung gestellt werden. Im ersten Fall wird also nur die Auswertung ausgelagert. Im zweiten Fall wird die komplette Erfassung und Auswertung ausschließlich von der Anzeige- und Auswerteeinheit übernommen, sodass das Fahrzeug nur sehr wenige Sensoren benötigt. Im letzteren Fall kann zumindest ein Teil der Sensorik im Fahrzeug eingespart werden. Ist die Anzeige- und Auswerteeinheit ein Smartphone, so können alle im Smartphone vorhandenen Sensoren im Fahrzeug selbst eingespart werden.In one embodiment, the data of several sensors are evaluated, the data exclusively from sensors of the vehicle or exclusively from sensors of the display and evaluation unit or both from sensors of the vehicle and from sensors of the display and evaluation unit of the display and evaluation unit for detecting a possible defect. In the first case, only the evaluation is outsourced. In the second case, the entire recording and evaluation is carried out exclusively by the display and evaluation unit, so that the vehicle only needs very few sensors. In the latter case, at least some of the sensors in the vehicle can be saved. If the display and evaluation unit is a smartphone, all the sensors in the smartphone can be saved in the vehicle itself.
Die Anzeige- und Auswerteeinheit kann mechanisch getrennt vom Fahrzeug sein und beispielsweise vom Nutzer am Körper getragen werden. Die Datenverbindung zwischen Anzeige- und Auswerteeinheit und Fahrzeug kann leitungsgebunden oder drahtlos sein.The display and evaluation unit can be mechanically separated from the vehicle and can be worn on the body by the user, for example. The data connection between the display and evaluation unit and the vehicle can be wired or wireless.
In einer weiteren Ausführungsform wird die Anzeige- und Auswerteeinheit lösbar mechanisch am Fahrzeug befestigt, wobei die mechanische Befestigung von der Anzeige- und Auswerteeinheit sensiert wird oder die Anzeige- und Auswerteeinheit ein Signal über die erfolgte Befestigung erhält (beispielsweise durch eine Nutzereingabe), wobei die Auswertung der Daten des mindestens einen Sensors davon abhängig ist, ob eine mechanische Befestigung vorliegt oder nicht. Der Grund hierfür ist, dass bei der mechanischen Befestigung die Sensoren der Anzeige- und Auswerteeinrichtung Bewegungen und Beschleunigungen des Fahrzeugs erfassen, wohingegen beim Tragen am Körper Bewegungen und Beschleunigungen des Nutzers erfasst werden, die bei einem Unfall unterschiedlich sein können.In a further embodiment, the display and evaluation unit is detachably mechanically fastened to the vehicle, the mechanical fastening being sensed by the display and evaluation unit or the display and evaluation unit receiving a signal that the fastening has been carried out (for example through a user input) Evaluation of the data of the at least one sensor is dependent on whether or not there is a mechanical attachment. The reason for this is that with the mechanical fastening the sensors of the display and evaluation device record movements and accelerations of the vehicle, whereas when worn on the body, movements and accelerations of the user are recorded which can be different in the event of an accident.
In einer weiteren Ausführungsform wird das Lösen der mechanischen Befestigung bei einer Geschwindigkeit größer einem Schwellwert als möglicher Defekt bewertet, da der Nutzer kaum während der Fahrt die Anzeige- und Auswerteeinheit löst und dies eher auf äußere Krafteinwirkungen, beispielsweise aufgrund eines Unfalls, schließen lässt.In a further embodiment, the loosening of the mechanical fastening at a speed greater than a threshold value is assessed as a possible defect, since the user hardly loosens the display and evaluation unit while driving and this is more likely to indicate external forces, for example due to an accident.
In einer weiteren Ausführungsform wird ein Abriss der Datenverbindung zwischen der Anzeige- und Auswerteeinheit und dem Fahrzeug bei einer Geschwindigkeit größer einem Schwellwert als möglicher Defekt bewertet. Insbesondere wenn die Datenverbindung kabelgebunden erfolgt, spricht dies für große äußere auftretende Kräfte.In a further embodiment, a break in the data connection between the display and evaluation unit and the vehicle at a speed greater than a threshold value is assessed as a possible defect. In particular, if the data connection is wired, this speaks for great external forces.
Die Sensoren können beispielsweise Beschleunigungssensoren, Lagesensoren wie beispielsweise Gyroskope oder Abstandssensoren sein. Ebenso können Aktoren als Sensoren benutzt werden, nämlich ob diese noch funktionsfähig sind oder nicht (beispielsweise Blinker, Licht). Auch Daten von Schutzeinrichtungen oder Fahrerassistenzsystemen (falls vorhanden) können als Sensoren verwendet werden. Weitere Sensoren können beispielsweise der Batterieeinheit direkt zugeordnet sein (beispielsweise ein Batterietemperatursensor).The sensors can be, for example, acceleration sensors, position sensors such as gyroscopes or distance sensors. Actuators can also be used as sensors, namely whether they are still functional or not (for example blinkers, lights). Data from protective devices or driver assistance systems (if available) can also be used as sensors. Further sensors can, for example, be assigned directly to the battery unit (for example a battery temperature sensor).
Hinsichtlich der gegenständlichen Ausbildung der Anzeige- und Auswerteeinheit sowie des Fahrzeugs wird vollinhaltlich auf die vorangegangenen Ausführungen Bezug genommen.With regard to the actual design of the display and evaluation unit and the vehicle, reference is made in full to the preceding explanations.
Die Erfindung wird nachfolgend anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Die einzige Figur zeigt eine schematische Darstellung eines Fahrzeugs mit einer externen Anzeige- und Auswerteeinheit.The invention is explained in more detail below on the basis of a preferred exemplary embodiment. The single figure shows a schematic representation of a vehicle with an external display and evaluation unit.
Das Fahrzeug
BezugszeichenlisteList of reference symbols
- 11
- Fahrzeugvehicle
- 22
- BatterieeinheitBattery unit
- 33
- Motorengine
- 44th
- SteuereinheitControl unit
- 55
- SchaltelementeSwitching elements
- 66th
- LuftschnittstelleAir interface
- 1010
- Anzeige- und AuswerteeinheitDisplay and evaluation unit
- 1111
- LuftschnittstelleAir interface
- 1212th
- Sensorsensor
- 1313th
- RecheneinheitArithmetic unit
Claims (9)
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DE102020207639.1A DE102020207639B3 (en) | 2020-06-19 | 2020-06-19 | Method for detecting a possible defect in a battery unit of an at least partially electrically driven vehicle, display and evaluation unit and vehicle |
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DE102020207639.1A DE102020207639B3 (en) | 2020-06-19 | 2020-06-19 | Method for detecting a possible defect in a battery unit of an at least partially electrically driven vehicle, display and evaluation unit and vehicle |
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