• 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:
    System for detecting the position of a gearbox of a vehicle comprising magnetic means linked to a drive shaft (1) associated with the gearbox, where the magnetic means generate a magnetic field detected by means magneto-sensitive sensors, such that depending on the magnetic field detected by the sensor means, an electrical signal is sent to a control unit (7) of the vehicle to indicate at least the neutral and reverse position of the gearbox, the detection means being magneto-sensitive sensors comprised by at least one probe (3) that captures the magnitude of the magnetic field generated by the presence of the magnetic means in two vector components orthogonal to each other, such that the probe generates at least two electrical signals, being one of the redundant signals, to the control unit (7) to determine a speed gear position. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2651315A1
    申请号:ES201631014
    申请日:2016-07-25
    公开日:2018-01-25
    发明作者:Didier Robin；Francesc FREIXAS；Siska Verhamme
    申请人:Bitron Industrie Espana SA；
    IPC主号:
    专利说明:

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    Position detection system of a manual gearbox, gearbox and gear position detection method
    DESCRIPTION
    OBJECT OF THE INVENTION
    The purpose of this application is to register a system for detecting the position of a manual gearbox.
    More specifically, the invention proposes the development of a system to detect the position of a manual gearbox where there is a duplicity of the signal indicating the position of the gearbox, thereby increasing reliability during operation.
    BACKGROUND OF THE INVENTION
    The arrangement of manual gearbox position sensors is well known today. These sensors are provided from the design of the gearbox and are integrated as part of it. For this, various known technologies can be used, one of them being the use of positioning sensors based on a potentiometer that allows to know the position of an actuator linked to the gearbox and deduce the position taken by the lever of the gearbox. speeds, that is, to know the gear or speed that is at a certain moment chosen. Another technology increasingly used in this field is that based on Hall or inductive sensors or sensors that detect the gear position of the gearbox through the use of one or more magnets.
    Examples of the use of this technology are shown in patent ES 2 389 319 or in WO 2005/064281. In these known detection systems, only one detection probe is used, so that in the event that the sensor suffers a fault, it can collect positioning data that is incorrect and send it to a control unit, not detecting the fault in sensor at the time of transmitting
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    data, so that a control unit will interpret the data as correct, which could cause damage to the installation or even cause a traffic accident with the vehicle.
    In addition, the applicant is not currently aware of an invention that has all the features described herein.
    DESCRIPTION OF THE INVENTION
    The present invention has been developed in order to provide a detection system that is configured as a novelty within the field of application and resolves the aforementioned drawbacks, also providing other additional advantages that will be apparent from the description to be described. Accompany continuation.
    It is therefore an object of the present invention to provide a system for detecting the position of a manual gearbox of a vehicle that is more reliable and with a greater degree of safety comprising magnetic means linked to an associated drive shaft. with the gearbox, in which the magnetic means generate a magnetic field that is detected by magneto-sensitive detecting means, such that depending on the magnetic field detected by the detecting means an electric signal is sent to a unit of vehicle control to indicate at least the neutral position and reverse gear of the gearbox.
    More particularly, the invention is characterized in that the magneto-sensitive detector means are comprised of at least one probe housed in an electronic plate that captures the magnitude of the magnetic field generated by the presence of the magnetic media in two orthogonal vector components with each other, such that the probe generates at least two electrical signals, one of the signals being redundant, towards the control unit to determine a gear position of the gearbox.
    Alternatively, the invention is characterized by the fact that the detecting means
    they can be comprised of at least one probe, preferably of hall effect. Of the
    in the same way and in another alternative realization it can be comprised of two probes that
    they are mounted on an electronic board that act in a coordinated way with each other, in which
    the two probes capture the magnetic field generated by the presence of the media
    magnetic in two orthogonal vector components, so each of the
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    sensors generates a corresponding electrical signal to the control unit to determine a gear position of the manual gearbox.
    According to another aspect of the invention, the magnetic means comprise two magnets spaced apart from each other stationary in the drive shaft, one of the magnets being linked to the neutral position while the other magnet is linked to the position running behind the gearbox.
    In a preferred embodiment, one of the magnets has a generally cylindrical overall shape while the other magnet has a semicircular shape.
    Thanks to these characteristics, a duplicity of the signal that provides the position of the drive shaft is obtained, so that the correct detection of the position and consequently a correct operation is guaranteed, since in the case of a failure or failure of One of the probes, the homologous probe can continue working to ensure the operation of the gearbox.
    It is another object of the present invention to provide a manual gearbox comprising the system described above.
    It is also a further object of the invention to provide a method of detecting the gear position of a gearbox of a vehicle, said gearbox comprising magnetic means linked to a drive shaft with a translational / rotational movement associated with the gearbox, in which the magnetic means generate a magnetic field that is detected by detecting means, so that depending on the magnetic field detected by the detecting means an electric signal is sent to a control unit (7) of the vehicle to indicate at least the neutral and gear position behind the gearbox, which is characterized by the fact that during a gear detection condition, the detecting means generate at least two electrical signals, one of the signals being electrical redundant, both two electrical signals generating information of the magnitude created by magnetic field in two vector components s orthogonal to each other.
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    Other features and advantages of the table object of the present invention will be apparent from the description of a preferred but not exclusive embodiment, which is illustrated by way of non-limiting example in the accompanying drawings, in which:
    BRIEF DESCRIPTION OF THE DRAWINGS
    Figure 1.- It is a schematic perspective view of a configuration of a gearbox provided with the system according to the present invention;
    Figure 2.- It is a scheme of the system of the invention;
    Figure 3.- It is a detailed perspective view of the section of the drive shaft where the magnetic means are arranged;
    Figure 4.- It is a schematic perspective view of a second embodiment of the system of the invention mounted on a gearbox; Y
    Figure 5.- It is a diagram of the second embodiment shown in Figure 4.
    DESCRIPTION OF A PREFERRED EMBODIMENT
    In view of the aforementioned figures and, according to the numbering adopted, an example of a preferred embodiment of the invention can be observed therein, which comprises the parts and elements indicated and described in detail below.
    As can be seen in Figure 1, an embodiment of the position detection system of a manual gearbox of a vehicle of the invention comprises magnetic means that are linked to a drive shaft (1) that performs a movement of translation / rotating and translation associated with the lever (2) of the gearbox. These magnetic means generate a magnitude of the magnetic field that is detected by magneto-sensitive detecting means, so that depending on the magnetic field detected by the detecting means an electric signal is sent to a vehicle control unit to indicate at least the neutral and gear position behind the gearbox, based on the decomposition of the magnitude of the magnetic field into two orthogonal vector components.
    Specifically, the detecting means are comprised of two hall effect probes (3) housed in an electronic board (4) located inside a housing (5) of material
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    plastic that act in a coordinated way with each other. Such housing (5) can be fixed on a support (6) to ensure correct data reading.
    The two probes (3) capture the magnetic field generated by the presence of the magnetic means in two orthogonal vector components, so that each of the probes generates a corresponding electrical signal to the control unit (7) (or switchboard ) to determine a gear position of the manual gearbox.
    With particular reference now to the magnetic means, they comprise two magnets (8, 9) spaced apart from each other stationary in the drive shaft, one of the magnets (8) being linked to the neutral position while the other magnet ( 9) is linked to the gear position behind the gearbox.
    The magnet (9) that is associated with the reverse gear has a generally cylindrical shape while the other magnet (8) that is associated with the neutral of the gearbox has a semicircular shape.
    In Figures 4 and 5, an alternative embodiment of the invention is shown, where the same elements have the same numerical references. In this case, the magnetic means comprise a single magnet (10) with an arcuate geometry, for example, in the form of a "tile", which allows detecting the different gears that are responsible for emitting the two electrical signals depending on the magnitude value of the magnetic field (in this case, the orientation or position) detected by the probe (3), each of them being associated with the magnetic magnitude broken down into two orthogonal vector components.
    The details, shapes, dimensions and other accessory elements used in the manufacture of the detection system of the invention may be conveniently substituted by others that do not depart from the scope defined by the claims included below.
    权利要求:
    Claims (7)
    [1]
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    1. Position detection system of a gearbox of a vehicle comprising magnetic means linked to a drive shaft (1) with translation / rotating movement associated with the gearbox, in which the magnetic means generate a magnetic field that is detected by magneto-sensitive detecting means, such that depending on the magnetic field detected by the detecting means an electric signal is sent to a control unit (7) of the vehicle to indicate at least the position of neutral and reverse gear of the gearbox, characterized by the fact that the magneto-sensitive detector means are comprised of at least one probe (3) that captures the magnitude of the magnetic field generated by the presence of the magnetic means in two orthogonal vector components to each other, such that the probe generates at least two electrical signals, one of the signals being redundant, towards the control unit (7) even to determine a gear position of the gearbox.
    [2]
    2. System for detecting the position of a gearbox according to claim 1, characterized in that the magneto-sensitive detecting means are comprised of two probes (3) that act in a coordinated manner with each other, in which the two probes capture the magnitude of the magnetic field generated by the presence of the magnetic means in two orthogonal vector components, whereby each of the probes (3) generates a corresponding electrical signal towards the control unit to determine a driving position of the manual gearbox.
    [3]
    3. System for detecting the position of a gearbox according to claim 1, characterized in that the magnetic means comprise two magnets spaced apart from each other stationary in the drive shaft, one of the magnets being connected with the neutral position while the other magnet is linked to the reverse position of the gearbox.
    [4]
    4. System for detecting the position of a gearbox according to claim 3, characterized in that one of the magnets has a generally cylindrical general shape while the other magnet has a semicircular shape.
    [5]
    5. System for detecting the position of a gearbox according to claim 1, characterized in that the two probes are Hall effect.
    [6]
    6. Manual gearbox characterized by the fact that it comprises the system 5 according to any one of claims 1 to 5.
    [7]
    7. Method of detecting the gear position of a gearbox of a vehicle, said gearbox comprising magnetic means linked to a drive shaft (1) with rotating / translating movement associated with the gearbox
    10 speeds, in which the magnetic means generate a magnetic field that is detected by magneto-sensitive detecting means, such that depending on the magnetic field detected by the magneto-sensitive detecting means an electrical signal is sent to a unit of control (7) of the vehicle to indicate at least the neutral position and reverse gear of the gearbox, characterized by the fact that during a gear detection condition, the magneto-sensitive detecting means generate at least two signals electrical, being one of the redundant electrical signals, both two electrical signals generating information of the magnitude created by magnetic field in two orthogonal vector components to each other.
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    同族专利:
    公开号 | 公开日
    ES2651315B2|2018-05-14|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US8803511B2|2007-06-13|2014-08-12|Sc2N|Gearbox position detection|
    US20100308802A1|2007-12-17|2010-12-09|Sc2N|Gearbox position sensor and corresponding gearbox|
    EP2112406A1|2008-04-21|2009-10-28|Dura Automotive Systems SAS|Device for detecting the position of an automobile gearbox control stick|
    US20130031999A1|2010-02-11|2013-02-07|Dura Automotive Systems Sas|Device for detecting the neutral position of a lever for controlling shifting and selecting gears in a motor vehicle gearbox|
    法律状态:
    2018-05-14| FG2A| Definitive protection|Ref document number: 2651315 Country of ref document: ES Kind code of ref document: B2 Effective date: 20180514 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201631014A|ES2651315B2|2016-07-25|2016-07-25|Position detection system of a manual gearbox, gearbox and gear position detection method|ES201631014A| ES2651315B2|2016-07-25|2016-07-25|Position detection system of a manual gearbox, gearbox and gear position detection method|
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