EP0005436B1 - Installation de surveillance avec indicateur centralisé des états de fonctionnement d'un véhicule automobile - Google Patents

Installation de surveillance avec indicateur centralisé des états de fonctionnement d'un véhicule automobile Download PDF

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Publication number
EP0005436B1
EP0005436B1 EP79100791A EP79100791A EP0005436B1 EP 0005436 B1 EP0005436 B1 EP 0005436B1 EP 79100791 A EP79100791 A EP 79100791A EP 79100791 A EP79100791 A EP 79100791A EP 0005436 B1 EP0005436 B1 EP 0005436B1
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EP
European Patent Office
Prior art keywords
display
operating states
warning device
monitoring device
warning
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.)
Expired
Application number
EP79100791A
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German (de)
English (en)
Other versions
EP0005436A1 (fr
Inventor
Ernst-Ulrich Simon
Horst Ullrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mannesmann VDO AG
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Mannesmann VDO AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0005436A1 publication Critical patent/EP0005436A1/fr
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Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction

Definitions

  • the invention relates to a warning device with a central display of operating states to be monitored in motor vehicles, with a display device which can be controlled by an operating monitoring device.
  • the known warning device includes a central warning lamp that flashes or burns continuously depending on the importance of the critical operating state that occurs, and a group of individual lamps that are each assigned to an operating state that is to be monitored and that also emerge depending on the urgency when such a critical operating state occurs the display flashes or burns continuously.
  • the warning device includes an operational monitoring device in which the information to be displayed is classified according to its urgency or according to the priority of the display and, if necessary, with a desired signal delay to indicate the drop in certain liquid levels, such as brake fluid, cooling water level and windshield washer water level.
  • the operation monitoring device also performs certain functions, for example to measure the engine oil level only when it is at a standstill.
  • the classification is carried out according to the prior art, for example, in such a way that the group of the most important priority includes the oil pressure, the oil level, brake circuit failure and brake fluid, while in a second group information about the brake pad, the hand brake, the cooling water level, the The temperature of the cooling water, the fuel reserve, the windscreen washer fluid level, the brake light and the tail light are all arranged.
  • the known warning device includes an acknowledgment button which is connected to the operation monitoring device and is arranged, for example, in the console of the motor vehicle and with which a warning about a critical operating state that is displayed can be acknowledged.
  • the blinking of the central warning light is converted into a continuous burning or the continuous burning of the warning light is switched off when a low priority fault occurs.
  • the individual lights which are assigned to the faulty operating states to be displayed continue to flash, and the individual lights which are assigned to the faulty operating states of the lower priority continue to burn, the memories fed with signals from the operating monitoring device taking effect. Examples of similar warning devices are known from FR-A-1539197, DE-B-2 338 944 and FR-A-1 539 197.
  • a problem of this warning device with a central display of the operating states to be monitored, which allow the control of important operating states in the event of a fault in a clear manner, is that the space available in the dashboard of a motor vehicle, in particular the space that is clearly observable by the driver, is limited is. This applies in particular when a large number of display instruments are provided in high-quality motor vehicles, but because of their large number they do not make a central display of malfunctions by warning lights or similar display devices superfluous, but on the contrary require the driver's attention to disturbed operating states that can be dangerous for the driver and vehicle and / or announce major damage, inform and warn effectively, so that timely remedial action can be taken.
  • the present invention has for its object to avoid the disadvantages of the known warning device with a central display to make the display so that no additional space in the driver's good field of vision on the dashboard is claimed, so that the greatest possible guarantee for the striking one indicated critical operating state is given.
  • This arrangement of the display should be associated with as little additional effort as possible in order to be able to use the warning device desired for safety reasons to the greatest extent possible.
  • the space already provided in the dashboard for displaying the generally less important information about the time is used to display operating states to be monitored. It is assumed that the time display is still clearly visible to the driver. This not only eliminates the additional space required for the surface of the dashboard, which is clearly observable from the outside, but also does not require any further openings or openings in the dashboard for installing the display device of the warning device.
  • the warning device is distinguished by the fact that the display device of a digital time clock is used as the display device, which is coupled to the operation monitoring device and can be controlled by this to show the designation of the operating states to be displayed, such that the time display disappears and takes place in the case of operating states of greater importance that are to be represented whose name the function is represented.
  • the operational monitoring device is switched in such a way that operating states of a high priority level are preferably displayed, the time disappearing during a predetermined period of time or until acknowledgment.
  • the display display has a number of fields equal to the number of priority groups and that the operating states of each field are in one field assigned priority group can be represented.
  • This warning device has the advantage that the operating states of the highest priority are shown in one field and the operating states of the next lower priority are unhindered by the representation of the critical operating states of higher priority in a second field.
  • the least important operating states to be monitored can be displayed in a third field. This arrangement of the fields also improves the clarity of the importance of the disturbed operating state.
  • each display or field comprises a luminous area, a display area for the designation of the respective operating status to be displayed and a numerical area for the display of the number of operating conditions that occur at the same time.
  • the display is set up to show the operating state as a pictorial representation (pictogram).
  • warning device A further development of the warning device is that a query unit comprising a keyboard is connected to the display and / or the operational monitoring device for selecting the functions to be monitored.
  • functions of lower priority to be monitored can be selected with the keyboard in order to determine successively by operating the keyboard whether the corresponding operating states are present or not.
  • the display can take place either in the display provided for displaying the time or in a separate display field within the clock.
  • warning device can advantageously have the feature that the display and / or the operational monitoring device is provided with a program memory for coding the designation to be displayed in one of several predefined languages.
  • the part of the stored program that includes the naming of the operating states in the desired language is activated. Switching can be done either by a program switch or by a program card programmed for the respective language.
  • Fig. 1 groups of sensors are shown in the left part, which are assigned to the engine, the lighting, the chassis and the body.
  • the transmitters provide information about the operating states to be monitored as discrete signals - J-No signals - as analog signals, for example as a function of resistance transmitters, or as a frequency.
  • Functions of the engine to be monitored are, for example, oil pressure, oil level, oil temperature, cooling water level, cooling water temperature, fuel consumption, engine speed, top dead center and exhaust gas values.
  • Functions of the lighting to be monitored are brake light, tail light, license plate light, parking light, driving light, high beam, fog light.
  • As a function to monitor the chassis come u. a. considering brake circuit pressure, brake pad, brake fluid level, handbrake, speed, anti-lock braking system.
  • the functions to be monitored include the tank reserve, inside temperature, outside temperature, windscreen washer fluid level, heated rear window and door contact switch.
  • the information from these sensor groups 1, 2, 3, 4 is fed into the input stage by the operational monitoring device 6 which is constructed with a microprocessor.
  • the operational monitoring device comprises the microprocessor, the memory for address coding, a time and clock generator, an analog-digital converter for converting the signals of the input stage into digitally processable information, a display controller for controlling the display means (not shown in FIG. 2) and a character generator for a dot matrix as a display or a display with liquid crystals.
  • the ones to be displayed are shown in the operational monitoring device 6
  • functions of three priorities linked in the classified blocks 10, 11, 12 are formed from the information provided by the sensor groups 1 to 4.
  • Block 10 includes, for example, the linked information about oil pressure, oil temperature and speed as well as about the speed.
  • the gear selection and ignition timing are to be classified in the block of priority 11.
  • the lowest priority block 12 includes information about average fuel consumption, current fuel consumption, acceleration, deceleration and stored speed.
  • the operation monitoring device is operated in time-division multiplex operation, so that the signals of the information relating to blocks 7 to 12 are emitted in rapid succession and repetition at an output stage 13 of the operation monitoring device.
  • 20 denotes a dot matrix as a display of a digital time clock 21.
  • the dot matrix is fed via lines 14ab, 15ab, 16ab from the operational monitoring device 6 in FIG. 1, in such a way that instead of the time in the event of a warning, the operational states of the priority levels I, 11 can appear as lettering. Instead of the time, only one operating status is displayed in the event of a warning or on request in a manner to be described.
  • the display on request is carried out by actuating a query button 23.
  • This query button is arranged in the circuit arrangement with a first control device 24, which can be integrated in the operational monitoring device, in such a way that the information of the priority level 111 is displayed serially, including the time, by pressing the query button will.
  • an operating state of priority groups 1 and 11 is automatically represented by the structure of the operational monitoring device instead of the otherwise permanently displayed time.
  • the sequence control can take place in such a way that the time is permanently displayed as long as there is no warning and no query with the query key 23.
  • a second control device 25 which can also be part of the operation monitoring device, displays the information about operating states of priority group 1 as a flashing lettering, while the information about operating states of priority group II is displayed as a permanently lit lettering in the event of a warning.
  • a third control device 26, which can also be a component of the operation monitoring device, ensures that the operating status or error of the highest priority is displayed in each case. Instead, a variant of the third control device 26a can also be used to control a plurality of operating states to be displayed in the event of a warning in such a way that the operating states are displayed one after the other, although the priority of the errors can no longer be recognized easily.
  • the operational monitoring device which is connected to the field 30 via lines 14ab, is coupled to field 31 via line 15ab and is connected to field 32 via line 16ab, comprises a character generator for pictograms which represent the symbols of the operating states, for example one Oil can for the oil pressure, a headlight for high beam and a heating coil for the heated rear window.
  • a fourth control device 34 which can also be part of the operational monitoring device, controls the display of the operating states of priority group 1 as a flashing pictogram.
  • the operating states of priority group II are also shown as flashing pictograms, but with a different ratio of the lighting duration to the pause.
  • the operating states of priority group III are displayed continuously.
  • a key 35 is provided for displaying the operating states of priority group 111 in connection with a fifth control device 36, which can also belong to the operation monitoring device.
  • the fifth control device is switched in such a way that the information about the operating states of the priority group 111 is displayed in succession at the push of a button, the time of day being permanently displayed after every five seconds.
  • an interrogation unit with a keyboard 38 can also be provided, which has a number of keys corresponding to the number of possible information of the priority group 111, each of which has a pictogram or an abbreviation of the operating state shown at its presence is displayed in the field 32 when the associated key is pressed.
  • tapping the button it can be determined, for example, what the average fuel consumption is at the moment or how high the internal temperature in the motor vehicle is at the time.
  • the sixth control device 37 takes effect, which ensures a successive, continuous display of the operating states in the fields 30 and 31.
  • a display with three fields 41, 42, 43 is embedded in the display of the display of a digital clock 40.
  • the fields 41 and 42 which are set up to display the information about the operating states of the priority groups and 11 as lettering, each contain a display area 44 or 45 for the lettering, a luminous area 46 or 47 for signaling a fault and a numerical area 48 or 49 to display the number of operating states or faults to be displayed simultaneously.
  • the field 43 is only set up as a display area for displaying the operating state of priority group III.
  • the operating states of the priority group 111 are represented by an interrogation unit 38 with buttons corresponding to the design of the interrogation unit in the warning device according to FIG. 3 or by a button 35 with a fifth control device 36 according to FIG. 3.
  • the display of the operating states in the priority group I is carried out in such a way that the lettering lights up continuously while the left light surface 46 flashes.
  • Operating states of priority group II are displayed in such a way that the luminous surface 47 and the lettering light up continuously.
  • the operating states of the priority group 111 are also continuously illuminated until a new query is made or the time of day is permanently shown after a predetermined time of, for example, five seconds, the latter operating mode occurring when the button 35 is pressed.
  • an eighth control device 51 flashes the lettering, which continuously indicates the existing errors or operating states to be signaled.
  • the left illuminated area flashes, while the right dial 48 permanently shows the number of errors. If there are several errors in priority group 11, the lettering representing the operating states also flashes, with a continuous display of all operating states to be signaled.
  • the left illuminated surface 47 illuminates permanently and the right numerical surface 49 also permanently displays a number of errors.
  • FIG. 4 also shows a program memory 52 which is connected to the display and the operational monitoring device and which contains a programming of the words representing the operational states in several languages for display in German, English, French and Spanish.
  • a program memory 52 which is connected to the display and the operational monitoring device and which contains a programming of the words representing the operational states in several languages for display in German, English, French and Spanish.
  • the operating status is optionally displayed in one of the languages mentioned.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instrument Panels (AREA)
  • Alarm Systems (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Claims (6)

1. Dispositif d'alerte avec indication centralisée des états de marche à contrôler sur des véhicules et un dispositif indicateur commandé par un dispositif de contrôle de marche, ledit dispositif d'alerte étant caractérisé par l'emploi comme dispositif indicateur de l'afficheur (20) d'une montre numérique (21), relié au dispositif de contrôle de marche (6) qui, pour la représentation de la désignation das états de marche à indiquer, le commande de façon que, dans le cas d'états de marche de grande importance à indiquer, l'indication de l'heure disparaise et la désignation de la fonction soit représentée.
2. Dispositif d'alerte selon revendication 1, dans lequel le dispositif de contrôle de marche relié à l'afficheur est réalisé par la réunion des états de marche à contrôler en plusieurs niveaux de priorité, ledit dispositif d'alerte étant caractérisé en ce que l'afficheur (20) comporte un nombre de zones (41, 42, 43) égal au nombre de niveaux de priorité (1, Il, III); et chaque zone permet de représenter les états de marche d'un niveau de priorité affecté.
3. Dispositif d'alerte selon une des revendications 1 et 2, caractérisé en ce que chaque afficheur ou chaque zone (41, 42) comprend une surface lumineuse (46, 47), une surface d'indication (44,45) de la désignation de l'état de marche considéré et une surface numérique (48, 49) pour la représentation du nombre d'états de marche pertubés simultanément.
4. Dispositif d'alerte selon une quelconque des revendications 1 à 3, caractérisé en ce que l'afficheur servant à repésenter l'état de marche est équipé pour une représentation graphique (pictogramme) (zones 30, 31, 32).
5. Dispositif d'alerte selon une quelconque des revendications 1 à 4, caractérisé en ce qu'une unité d'interrogation (38) comprenant un clavier est reliée à l'afficheur et éventuellement au dispositif de contrôle de marche pour sélection des fonctions à contrôler.
6. Dispositif d'alerte selon une quelconque des revendications 1 à 3, caractérisé en ce que l'afficheur et éventuellement le dispositif de contrôle de marche sont reliés à une mémoire de programme pour le codage de la désignation à représenter dans une parmi plusieurs langues prédéterminées.
EP79100791A 1978-05-16 1979-03-15 Installation de surveillance avec indicateur centralisé des états de fonctionnement d'un véhicule automobile Expired EP0005436B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782821344 DE2821344A1 (de) 1978-05-16 1978-05-16 Warneinrichtung mit zentraler anzeige zu ueberwachender betriebszustaende in kraftfahrzeugen
DE2821344 1978-05-16

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EP0005436A1 EP0005436A1 (fr) 1979-11-28
EP0005436B1 true EP0005436B1 (fr) 1981-11-04

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EP79100791A Expired EP0005436B1 (fr) 1978-05-16 1979-03-15 Installation de surveillance avec indicateur centralisé des états de fonctionnement d'un véhicule automobile

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US (1) US4287504A (fr)
EP (1) EP0005436B1 (fr)
DE (1) DE2821344A1 (fr)

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DE4112594A1 (de) * 1990-05-30 1991-12-12 Mitsubishi Electric Corp Schaltsystem fuer ein kraftfahrzeug
DE19707188A1 (de) * 1997-02-22 1998-08-27 Opel Adam Ag Vorrichtung zur Information von Insassen eines Kraftfahrzeugs
DE19842286C1 (de) * 1998-09-16 1999-11-18 Mannesmann Vdo Ag Vorrichtung und Verfahren zum Anzeigen von Piktogrammen
DE10046907A1 (de) * 2000-09-21 2002-04-11 Man Nutzfahrzeuge Ag Verfahren zur Anzeige von Ereignissen in einem Kraftfahrzeug
DE10046905A1 (de) * 2000-09-21 2002-04-11 Man Nutzfahrzeuge Ag Verfahren zur Anzeige von Ereignissen in einem Kraftfahrzeug

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
DE4112594A1 (de) * 1990-05-30 1991-12-12 Mitsubishi Electric Corp Schaltsystem fuer ein kraftfahrzeug
DE19707188A1 (de) * 1997-02-22 1998-08-27 Opel Adam Ag Vorrichtung zur Information von Insassen eines Kraftfahrzeugs
DE19842286C1 (de) * 1998-09-16 1999-11-18 Mannesmann Vdo Ag Vorrichtung und Verfahren zum Anzeigen von Piktogrammen
DE10046907A1 (de) * 2000-09-21 2002-04-11 Man Nutzfahrzeuge Ag Verfahren zur Anzeige von Ereignissen in einem Kraftfahrzeug
DE10046905A1 (de) * 2000-09-21 2002-04-11 Man Nutzfahrzeuge Ag Verfahren zur Anzeige von Ereignissen in einem Kraftfahrzeug

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Publication number Publication date
DE2821344A1 (de) 1979-11-22
EP0005436A1 (fr) 1979-11-28
US4287504A (en) 1981-09-01

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