• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A diagnostic device (1) for detachable light sources mounted on a motor vehicle comprising a control unit (3) arranged to be connected to at least one light source (4), an interface element (2) with said at least one light source, characterized in that the interface element comprises means for detecting (21) an output voltage of the light source arranged to detect a first output voltage value of the light source and transmit said first value said control unit is arranged to determine a type of light source according to said first voltage value.
    公开号:FR3033747A1
    申请号:FR1552127
    申请日:2015-03-16
    公开日:2016-09-23
    发明作者:Jean Marc Dhainaut；Franck Drouillet；Franck Fohrer；Jean Philippe Alix
    申请人:Peugeot Citroen Automobiles SA；
    IPC主号:
    专利说明:

    [0001] The present invention relates generally to a diagnostic device mounted on a motor vehicle and more specifically to a device for diagnosing and controlling fire mounted on a trailer, arranged on a motor vehicle.
    [0002] It is widely known in the prior art that motor vehicles may be provided to allow attachment of a trailer-type annex, such as a caravan or a storage tank or the like, at the rear. Since these trailers generally hide the rear of the vehicle, and therefore the lights, or lighting / signaling devices, rear of the vehicle, they are generally themselves equipped with lighting / signaling devices substantially identical to those of the vehicle, ie they include a sidelight, rear fog lamp, brake light, flashing light or a reversing light. On road vehicles and trailers, lighting / signaling devices mainly use filament lamps, but more and more new fire technologies are emerging, such as LED lights, which are spreading rapidly. These new LED lighting technologies, in particular, cause difficulties in operation and diagnosis because of their electrical characteristics different from those of filament lamps (generally lower consumption) and because of the lack of standardization of the electrical characteristics of the lamps. these lights unlike filament lamps. Indeed, there are different technologies of LED lights: - passive (without control electronics), and - active (with integrated control electronics). These difficulties are all the more important in the case of trailers because the control and diagnostic device is defined by the manufacturer of the towing vehicle without knowledge of the characteristics of the lights of the trailers which will be mounted on the towing vehicle, these not being designed under his responsibility. EP 1839928 discloses a system that detects a failure on LED lighting on a trailer and compensates for failed LEDs by voltage increase. Also, DE 102005055574 discloses a failure control system on vehicle lighting. None of these documents, however, can diagnose the type of light bulb mounted on a trailer and control the 10 lights accordingly from the vehicle. An object of the present invention is therefore to meet the disadvantages of the document of the prior art mentioned above and in particular, first of all, to provide a device for diagnosing and controlling lights of a trailer mounted on a automotive device capable of detecting a type of fire mounted on the trailer. For this purpose, a first aspect of the invention relates to a detachable light source diagnostic device mounted on a motor vehicle comprising a control unit arranged to be connected to at least one light source, an interface element with said at least one light source, characterized in that the interface element comprises means for detecting an output voltage of the light source arranged to detect a first output voltage value of the light source and transmit said first voltage value to said control unit, and that said control unit is arranged to determine a type of light source according to said first voltage value. Thus, the vehicle can adapt the control of the lights of a trailer for example depending on the type of fire detected. Advantageously, the control unit is arranged to adapt a supply of said at least one light source according to the detected light source so as to generate a first power mode for supplying a first type of light source and a light source 3033747 3 a second power mode for powering a second type of light source. In this way, the lights are correctly driven / powered. A particularly interesting embodiment is that the first power mode is a pulse width modulated (PWM) feed mode for a filament bulb type light source. Thus, the life of the filament bulbs is increased. Advantageously, the second power mode is an application of a voltage dependent on the edge voltage of the vehicle for a LED light source. In this way, the LED lights are not disturbed. Advantageously, the interface element further comprises means for biasing the light source from a first power source arranged to polarize the light source for a minimum period during which the control unit acquires said light source. first voltage value. Thus, we avoid visual dysfunctions. A particularly interesting embodiment is that the interface element further comprises a switching means of the light source arranged to supply the light source from a second power source. In this way, the light source is reliably controlled. Advantageously, when an LED type light source is detected, the biasing means is arranged to be actuated before powering on or after stopping the powering up of the light source so that the detection means detects a second output voltage value of the light source and transmits said second voltage value to said control unit arranged to determine a failure of the light source according to said second voltage value. Thus, the failures of the LED lights are reliably detected.
    [0003] A particularly interesting embodiment is that the light sources are mounted on a trailer arranged to be attached to said vehicle. Thus, several trailers with different technology lights can be attached to the vehicle with reliability of fire control. A second aspect of the invention is a vehicle comprising a diagnostic device according to the first aspect of the invention. Other features and advantages of the present invention will appear more clearly on reading the following detailed description of an embodiment of the invention given by way of non-limiting example and illustrated by the appended drawings, in which: FIG. 1 represents a schematic diagram of the device of the present invention. Figure 2 is a detailed diagram of a preferred embodiment of the device of the present invention. FIG. 1 represents a diagnostic device 1 of detachable light sources 4 mounted for example on a trailer arranged so as to be attached to a motor vehicle. The device 1 comprises a control unit 3 arranged to be connected to at least one light source 4 and an interface element 2 with said at least one light source 4 situated between the control unit 3 and the light source 4 With this interface element 2, the device 1 allows a detection of the type of fire, that is to say of light source 4, and a self-adaptation of the control of the lights. It should be noted that there are preferably as many interface elements 2 as light sources 4. As can be seen in FIG. 1, the interface element 2 preferably comprises several components 21, 22, 23, 24 including a means 21 for detecting an output voltage of the light source 4. The output voltage of the light source 4 is the voltage at the terminals of the light source 4 when it is powered by polarization means 23 described below. The detection means 21 is arranged to detect a first output voltage value of the light source 4, when the latter is fed, for example, by the polarization means 23, and to transmit the first voltage value to the control unit. 3 via a signal.
    [0004] The control unit 3 then acquires the signal of the first voltage value and compares it with a pre-established threshold value dependent on the type of light source and the equipment installed in the device 1, to determine the type of light source 4 in FIG. function of the first voltage value. Note that it is also possible to define, in the control unit 3, a second voltage threshold beyond which a connection fault can be detected. Once the type of light source 4 has been determined as a function of the voltage value, the control unit 3 is arranged to adapt a supply of said at least one light source 4 determined according to the detected light source so as to generate a first power supply mode, for example a regulation of a PWM voltage, for supplying a light source 4 of filament light bulb type and / or a second power supply mode, for example an application of a voltage depending on the voltage vehicle edge, to power a light source 4 LED type. As shown in FIG. 1, the interface element 2 furthermore comprises the polarization means 23, mentioned above, of the light source 4. The polarization is preferably carried out from a first Ualimi power source. and polarizes the light source 4 for a minimum period during which the control unit 3 acquires the first voltage value of the light source 4. Also, preferably, the interface element 2 further comprises a switching means 24 of the light source 4 arranged to feed the light source 4 from a second power source Ualim2 by order of the control unit 3. Optionally, the device 1 also comprises a means of diagnosis 22 of the means of control. switch 24 which measures the current switched to provide a diagnostic signal to the control unit 3. With this device, for example, when a light source 4 of LED type is detected for a for example, a flashing light mounted on a trailer or the like, the biasing means 23 is arranged to be actuated prior to turning on or after stopping the powering up of the light source so that the detection means 21 detects a second output voltage value of the light source 4 and transmits said second voltage value to said control unit 3 arranged to determine a failure of the light source as a function of said second voltage value. It should be noted that the polarization is not necessarily only before switching or after switching off, but can overlap the switching transition of the light source 4.
    [0005] In general, the fire determination phase can be done when the vehicle awakes, when the ignition is switched on or when the detachable light sources or the trailer are connected. FIG. 2 shows a particularly preferred embodiment in which the switching means is of the Smartpower 22 type, the polarization module 23 comprises a transistor T1 and a resistor R1, the detection module comprises a divider bridge R2, R3, the diagnostic module comprises two resistors R4 and R5, and the bias module 23 and the switching module 23 are powered by a same power source Vbat.
    [0006] It should be noted that the embodiment described in FIG. 2 is only a preferred mode and that alternatives or modifications are possible. For example, the switching means 24 can be made in several ways, for example a Smartpower, a MOSFET or bipolar transistor, an electromechanical relay or the like, the biasing means 23 is for example a bipolar transistor or a MOSFET transistor. and the control unit 3 may be implemented with a microcontroller including software or logic or analog electronics. It will be understood that various modifications and / or improvements obvious to those skilled in the art can be made to the various embodiments of the invention described herein without departing from the scope of the invention defined by the appended claims. In particular, reference is made to the various types of switching and polarization means, the number of light sources, the type of control unit. 10
    权利要求:
    Claims (9)
    [0001]
    REVENDICATIONS1. Detachable light source diagnostic device (1) mounted on a motor vehicle comprising: - a control unit (3) arranged to be connected to at least one light source (4), - an interface element (2) with said at least one light source, characterized in that the interface element comprises: means (21) for detecting an output voltage of the light source arranged to detect a first output voltage value of the source illuminating and transmitting said first voltage value to said control unit, and in that said control unit is arranged to determine a type of light source according to said first voltage value.
    [0002]
    2. Diagnostic device according to claim 1, characterized in that the control unit (3) is arranged to adapt a supply of said at least one light source (4) according to the detected light source so as to generate a first power mode for supplying a first type of light source and a second power mode for supplying a second type of light source 20
    [0003]
    Diagnostic device according to claim 2, characterized in that the first power supply mode is a pulse width modulated (PWM) feed mode for a light source (4) of the filament lamp type.
    [0004]
    4. Diagnostic device according to claim 2, characterized in that the second mode of supply is an application of a voltage dependent on the edge voltage of the vehicle for a light source (4) of LED type. 3033747 9 -
    [0005]
    5. Diagnostic device according to one of the preceding claims, characterized in that the interface element (2) further comprises a polarization means (23) of the light source (4) from a first source power supply unit (Ualiml) arranged to bias the light source for a minimum period during which the control unit (3) acquires said first voltage value.
    [0006]
    6. Diagnostic device according to one of the preceding claims, characterized in that the interface element (2) further comprises a switching means (24) of the light source (4) arranged to supply the light source to from a second power source (Uaum2).
    [0007]
    Diagnostic device according to claim 5, characterized in that, when a light source (4) of the LED type is detected, the biasing means (23) is arranged to be actuated before being switched on or after a stop turning on the light source so that the detecting means (21) detects a second output voltage value of the light source and transmits said second voltage value to said control unit (3) arranged to determining a failure of the light source according to said second voltage value.
    [0008]
    8. Diagnostic device according to claim 7, characterized in that the light sources are mounted on a trailer arranged to be attached to said vehicle.
    [0009]
    9. Motor vehicle comprising at least one diagnostic device according to one of claims 1 to 8.
    类似技术:
    公开号 | 公开日 | 专利标题
    EP3272192A1|2018-01-24|Diagnosis device
    EP2549836B1|2021-12-29|Circuit for controlling a dual-function lighting or signalling device and corresponding control method
    FR3005548B1|2019-06-28|LAMP FOR VEHICLE
    FR2468481A1|1981-05-08|FLASHING CENTER FOR THE ACTUATION OF A TURN SIGNALING SYSTEM ON A MOTOR VEHICLE
    EP3028545A1|2016-06-08|Light-emitting diode device
    WO2016070973A1|2016-05-12|Method for diagnosing an earth fault of a start/stop unit of a motor vehicle
    US9701242B1|2017-07-11|Customizable modulator for vehicular braking indication
    FR2993221A1|2014-01-17|DEVICE AND METHOD FOR COMMUNICATION BETWEEN AN ELECTRONIC MODULE AND A DETECTION SENSOR COMPRISING A LIGHT SOURCE
    EP3744157B1|2022-03-02|Diagnostic method of removable light sources for vehicule
    GB2440603A|2008-02-06|A shunt that allows a vehicle with pulsed lamp checking to use light emitting diodes
    FR3065613B1|2019-07-12|DEVICE FOR SELECTIVE POWER SUPPLY OF INCANDESCENT LAMP OR LIGHT EMITTING DIODE
    EP3202014B1|2018-07-18|Control device for a regulator of a motor vehicle alternator and alternator with corresponding regulator
    FR2997602A1|2014-05-02|DEVICE FOR ELECTRICALLY CONNECTING A PROJECTOR
    FR2976151A1|2012-12-07|Commutation device for auxiliary load of block of LEDs of headlight of car, has auxiliary load whose disconnection/connection is performed when current supplied to LEDs is greater/lower than threshold value, respectively
    FR2664785A1|1992-01-17|Device for monitoring electrical circuits, intended to detect an anomaly in the operation of such a circuit, and application of the said device to a vehicle lighting and/or signalling system
    FR2881388A1|2006-08-04|Signaling or lighting device for motor vehicle e.g. car, has two lamps mounted inside respective signal or lighting lamps, third lamp connected to electrical conductor, and voltage regulator having voltage clipper
    WO2015155433A1|2015-10-15|System for controlling rear signal lighting for a motor vehicle
    KR100186696B1|1999-04-01|An auxiliary brake lamp lighting device
    AU2006200462B2|2009-06-25|A pulse shunt that allows for the use of Light Emitting Diodes in vehicles that have a pulsed lamp check function and/or trailers connected thereto
    KR970006295Y1|1997-06-24|Brake lamp
    WO2017208769A1|2017-12-07|Lamp lighting system and lamp unit
    KR0124477B1|1997-12-01|Alarm device of electric current leakage in a car
    KR200248552Y1|2001-10-31|headlight on/off device for car
    FR3052710A1|2017-12-22|INTERFACE HOUSING BETWEEN A MOTOR VEHICLE AND A TRACT VEHICLE
    FR2881389A1|2006-08-04|Motor vehicle e.g. car, lighting or signaling device, has secondary voltage regulator substituting primary regulator in case of failure of primary regulator and including output to deliver supply voltage to lamps
    同族专利:
    公开号 | 公开日
    CN107466274B|2020-08-25|
    EP3272192A1|2018-01-24|
    CN107466274A|2017-12-12|
    WO2016146915A1|2016-09-22|
    FR3033747B1|2017-03-24|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE102004045435A1|2004-09-18|2006-03-23|Man Nutzfahrzeuge Ag|Light bulb or LED-headlamp function monitoring device for motor vehicle, has mechanism detecting that bulb or headlamp is turned out in electric circuit, where function or non-function of bulb or lamp is established by electronic circuit|
    WO2007032716A1|2005-09-16|2007-03-22|Volvo Lastvagnar Ab|A method and a device for detecting signal lamps in a vehicle|
    DE202010005782U1|2010-04-16|2010-08-05|Conwys Ag|Vehicle lights monitoring device|FR3077176A1|2018-01-25|2019-07-26|Psa Automobiles Sa|METHOD FOR DIAGNOSING DETACHABLE LIGHT SOURCES FOR A VEHICLE|
    WO2019224046A1|2018-05-22|2019-11-28|HELLA GmbH & Co. KGaA|Method for checking directional indicators during monitoring of a trailer lights system|DE102005055574B4|2004-11-19|2007-03-01|Malina, Jörg, Dipl.-Ing.|Device for driving vehicle lamps|
    DE102006018813A1|2006-03-29|2007-10-04|Kompled Gmbh & Co. Kg|Vehicle light arrangement|
    CN101885312A|2010-07-06|2010-11-17|中山大学|Electric automobile whole-control system|CN110312338B|2018-11-02|2021-10-19|广州市佛达信号设备有限公司|Automobile LED steering lamp system|
    法律状态:
    2016-02-22| PLFP| Fee payment|Year of fee payment: 2 |
    2016-09-23| PLSC| Publication of the preliminary search report|Effective date: 20160923 |
    2017-02-21| PLFP| Fee payment|Year of fee payment: 3 |
    2018-02-20| PLFP| Fee payment|Year of fee payment: 4 |
    2018-06-29| CA| Change of address|Effective date: 20180312 |
    2018-06-29| CD| Change of name or company name|Owner name: PEUGEOT CITROEN AUTOMOBILES SA, FR Effective date: 20180312 |
    2020-02-20| PLFP| Fee payment|Year of fee payment: 6 |
    2021-02-19| PLFP| Fee payment|Year of fee payment: 7 |
    2022-02-21| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1552127A|FR3033747B1|2015-03-16|2015-03-16|DIAGNOSTIC DEVICE|FR1552127A| FR3033747B1|2015-03-16|2015-03-16|DIAGNOSTIC DEVICE|
    CN201680015934.XA| CN107466274B|2015-03-16|2016-03-02|Diagnostic device|
    EP16713536.7A| EP3272192A1|2015-03-16|2016-03-02|Diagnosis device|
    PCT/FR2016/050471| WO2016146915A1|2015-03-16|2016-03-02|Diagnosis device|
    [返回顶部]