EP3167550A1 - Dispositif de commutation et procédé de reconnaissance d'un actionnement d'un dispositif de commutation - Google Patents

Dispositif de commutation et procédé de reconnaissance d'un actionnement d'un dispositif de commutation

Info

Publication number
EP3167550A1
EP3167550A1 EP15729132.9A EP15729132A EP3167550A1 EP 3167550 A1 EP3167550 A1 EP 3167550A1 EP 15729132 A EP15729132 A EP 15729132A EP 3167550 A1 EP3167550 A1 EP 3167550A1
Authority
EP
European Patent Office
Prior art keywords
magnetic field
magnet
switching device
field values
value
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.)
Withdrawn
Application number
EP15729132.9A
Other languages
German (de)
English (en)
Inventor
Bernd Kernebeck
Hans-Werner NANZ
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen 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
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3167550A1 publication Critical patent/EP3167550A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/03—Sound
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/034—Separate snap action
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/026—Car
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9517—Proximity switches using a magnetic detector using galvanomagnetic devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96062—Touch switches with tactile or haptic feedback

Definitions

  • the present invention relates to a switching device and a method for detecting an actuation of a switching device.
  • An exemplary key switch of the prior art has four keys, each having a separate sensor system consisting of a magnet and an analog sensor. Pressing a key moves the magnet closer to the sensor, increasing the magnetic field in the sensor. An unactuated button acts on the sensor with a weak magnetic field.
  • the present invention provides an improved switching device and method for detecting an actuation of a switching device according to the main claims.
  • Advantageous embodiments will become apparent from the dependent claims and the description below.
  • a switching device presented herein comprises, in addition to a tiltably mounted magnet and a transducer device coupled to the magnet for executing a tilting movement of the magnet, a sensor device with two sensor elements for sensing the tilting movement.
  • a switching device comprises the following features:
  • a transmitter coupled to the magnet and configured to cause a tilting movement of the magnet in response to a switching operation of the switch
  • a sensor device which has a first sensor element and a second sensor element for sensing the tilting movement, wherein the first sensor element is designed to detect a plurality of first magnetic field values of a first magnetic field displacement of a magnetic field generated by the tilting movement, and the second sensor element is formed to detect a plurality of second magnetic field values of a second magnetic field displacement of the magnetic field generated by the magnet caused by the tilting movement.
  • the switching device can be used, for example, integrated in a vehicle in a dashboard of the vehicle used.
  • the switching device can be designed as a button or switch.
  • the magnet may, for example, be a bar magnet which may be tiltably or rotatably mounted via an axis passing through its center.
  • the magnet may be implemented as a permanent magnet with a permanent north pole section and a permanent south pole section.
  • the encoder device can be designed to transmit the switching operation of an operator of the switching device to the magnet by means of suitable encoder elements so that the tilting movement can be carried out.
  • the tilting movement can take place from a rest position of the magnet, in which the magnet can be located in a horizontal position relative to the first and second sensor element.
  • the switching operation may be performed by pressing an actuator button on the switching device by an operator of the switching device, e.g. As a driver of the vehicle exist. Due to the tilting movement, the entire magnetic field of the magnet can shift.
  • the first magnetic field displacement may relate to a displacement of a first portion of the magnetic field and the second magnetic field displacement may relate to a second portion of the magnetic field.
  • the first and second magnetic field displacements can thus be based on a tilting-based rotation of the magnetic field produced by the magnet to be led back.
  • the first and the second sensor element may in this case be arranged in relation to the magnet that, based on the tilting movement, a section of the magnetic field is moved towards the one of the sensor elements, while at the same time a different section of the magnetic field is moved away from the other of the two sensor elements.
  • the first and the second sensor element can respectively detect magnetic field values which change at the same rate but vary in opposite directions.
  • both sensor elements or one of the sensor elements of the sensor device may be a Hall sensor.
  • the magnetic field values can be reliably detected in any position of the magnet.
  • the first sensor element may be associated with the magnetic north pole portion of the magnet. Accordingly, the second sensor element may be assigned to the magnetic south pole section of the magnet. For example, the first sensor element may be positioned on a side of the switching device associated with the north pole section and the second sensor element on a side associated with the south pole section with respect to an imaginary separation plane between the magnetic north pole section and the magnetic south pole section of the magnet.
  • the switching device may have an evaluation device coupled to the sensor device.
  • the evaluation device may be configured to provide an actuation signal for indicating the switching actuation if one of the plurality of first magnetic field values corresponds to a predetermined first actuation value and additionally or alternatively one of the plurality of second magnetic field values corresponds to a predetermined second actuation value.
  • the evaluation device can be arranged directly on or in the sensor device or be connected via lines to the sensor device.
  • the predetermined actuation values can be determined in the production process of the switching device and stored in the evaluation device. Alternatively, the predetermined actuation values can be learned by an actuation of the switching device. For example, the actuation values may correspond to a predetermined degree of tilt of the magnet.
  • the evaluation device can be designed to use a suitable algorithm to make a comparison of the first magnetic field values with the predetermined first actuation value and a comparison of the second magnetic field values with the predetermined second actuation value.
  • the actuation signal may be provided as soon as one of the first magnetic field values is close enough to the predetermined first actuation value and one of the second magnetic field values is close enough to the predetermined second actuation value.
  • the actuation signal may be performed using a threshold comparison, wherein the threshold or thresholds of the comparison may be defined by the actuation value (s).
  • the extension of the switching device to the evaluation can contribute to a fast us safe provision of the actuating signal.
  • the switching device may comprise a mechanical element which may be designed to haptically and / or acoustically indicate a switching operation of the transducer device sufficient for providing the actuating signal.
  • an operator of the switching device receives feedback on successful operation of the switching device and can dispense with a visual confirmation of the successful operation.
  • this embodiment is in terms of safety aspects when driving a great advantage.
  • a characteristic change in course in a course of the tilting movement of the magnet can be effected.
  • the characteristic progression change can lead to a characteristic course of the magnetic field values and thus be recognized by an evaluation of the magnetic field values.
  • the mechanical element may comprise at least one snap-action disc.
  • a snap-action disc can be installed, for example, coupled to the transducer device in the switching device.
  • the use of a snap-action disc is cost-effective. -effectively.
  • a snap-action disc is a very robust element that does not need to be replaced over the entire life of the switching device.
  • the evaluation device may be configured to determine a progression of the first magnetic field values based on the plurality of first magnetic field values, to detect a first current magnetic field value of the plurality of first magnetic field values if the profile has a predetermined characteristic, and the predetermined first actuation value to to change the first current magnetic field value. Accordingly, the evaluation device may be configured to determine a course of the second magnetic field values based on the plurality of second magnetic field values, to detect a second current magnetic field value of the plurality of second magnetic field values if the profile has a predetermined characteristic, and the predetermined second actuation value to to change the second current magnetic field value. As a course of the magnetic field values, a rate of change of the magnetic field values can also be detected.
  • the corresponding current magnetic field value can be detected if the course of the rate of change has a predetermined characteristic.
  • a switching point of the switching device represented by the actuation values can readily be adapted to, for example, alteration-related changes in mechanical interaction of the switching device elements and shifted accordingly.
  • a "shame feeling" to be designated feedback to the actuator on a correctly done switching can thus be maintained over a lifetime of the switching device away.
  • the evaluation device may be configured to change the predetermined first actuation value to the first actual magnetic field value if the first actual magnetic field value is within a predetermined first magnetic field value interval for the plurality of first magnetic field values.
  • the evaluation device may be configured to change the predetermined second actuation value to the second actual magnetic field value if the second actual magnetic field value is within a predetermined second magnetic field value interval for the plurality of second magnetic field values. So can easy on and cost-effective way to ensure that unrealistic magnetic field values do not lead to a change of the switching point.
  • the transmitter device can also be designed to effect, in response to a further switching operation of the switching device, a further tilting movement of the magnet opposite to the tilting movement.
  • the first sensor element can accordingly also be designed to detect a plurality of further first magnetic field values of a further first magnetic field displacement of the magnetic field generated by the magnet, which are opposed to the first magnetic field values.
  • the second sensor element may also be designed to detect a plurality of, for example, the second magnetic field values, opposite further second magnetic field values of a further second magnetic field displacement of the magnetic field generated by the magnet caused by the further tilting movement.
  • the switching device can be used as a toggle switch with two unique switch positions. The advantage here is that a current functionality of the switching device can be identified at a glance beyond doubt. Incorrect assumptions as to whether a device switched on and off with the switching device is in operation or out of operation can be virtually ruled out.
  • the switching device may comprise a disk carrying the magnet and an axis passing through the disk for tiltably supporting the magnet.
  • the encoder device may have a first transmitter element and a second transmitter element.
  • the first donor element may be coupled to the disk at a first position and configured to effect the tilting movement.
  • the second donor member may be coupled to the disk at a second position and configured to effect the further tilting movement.
  • the switching device is inexpensive to manufacture and low maintenance and can be used universally.
  • a method of detecting an actuation of a switching device comprising a tiltably mounted magnet, a transducer coupled to the magnet configured to cause a tilting movement of the magnet in response to a switching operation of the switching device, and a sensor device for sensing the tilting motion first sensor element and a second sensor element, wherein the first sensor element is configured to detect a plurality of first magnetic field values of a first magnetic field displacement of the magnetic field generated by the tilting movement of a magnetic field generated by the magnet, and the second sensor element is formed to a plurality of second magnetic field values of a second magnetic field displacement caused by the tilting movement of the magnetic field generated by the magnet, comprises the following step:
  • the method can be carried out, for example, using an evaluation device already mentioned.
  • the evaluation device can be an electrical device which processes electrical signals, for example sensor signals, and outputs control signals in response thereto.
  • the evaluation device may have one or more suitable interfaces, which may be formed in hardware and / or software.
  • the interfaces can be part of an integrated circuit, for example, in which functions of the evaluation device are implemented.
  • the interfaces may also be their own integrated circuits or at least partially consist of discrete components.
  • the interfaces may be software modules that are present, for example, on a microcontroller in addition to other software modules.
  • the method further comprises a step of determining a course of the first magnetic field values and a course of the second magnetic field values, a step of detecting a first current magnetic field value of the plurality of first magnetic field values, if the course has a predetermined characteristic, and a second current magnetic field value the plurality of second magnetic field values when the waveform has a predetermined characteristic, and a step of changing the predetermined first operation value to the first current magnetic field value and the predetermined second operation value to the second actual magnetic field value.
  • a switching point of a switching device carrying out the method can be adapted to mechanical changes within the switching device so that an actuator of the switching device has a positive "shame feeling" of successfully performed switching operations over an entire service life of the switching device.
  • a computer program product with program code which can be stored on a machine-readable carrier such as a semiconductor memory, a hard disk memory or an optical memory and is used to carry out the method according to one of the embodiments described above if the program is installed on a computer or a device is also of advantage is performed.
  • Fig. 1 is a block diagram of a switching device according to an embodiment of the present invention.
  • FIG. 2 is a diagram for explaining an application of a defined switching point of the switching device according to an embodiment of the present invention
  • Fig. 3 is a schematic diagram of a switching device according to another
  • FIG. 4 is a schematic diagram of the switching device of FIG. 3 after a
  • FIG. 5 shows a schematic illustration of the switching device from FIG. 3 after a further tilting movement of the magnet, according to an exemplary embodiment of the present invention
  • FIG. 6 is a flowchart of a method of detecting an actuation of a switching device according to an embodiment of the present invention.
  • the exemplary shift apparatus 100 may be integrated with a dashboard of a vehicle, such as a passenger or truck, or positioned at other locations within the vehicle.
  • a dashboard of a vehicle such as a passenger or truck
  • comfort and safety functions of the vehicle such as headlamp lighting, electric windows, the air conditioning, etc. can be controlled or regulated by the driver or another occupant of the vehicle with a finger pressure on a button of the switching device 100.
  • the switching device 100 can be designed as a switch or pushbutton.
  • the switching device 100 has a magnet 102, a transducer 104 and a sensor device 106.
  • the magnet 102 is a permanent magnet, which is designed here rod-shaped.
  • a first - in the illustration left - half of the magnet 102 forms a Nordpolabêt 108 of the magnet and a second - in the representation right - half of the magnet 102 forms a Südpolabrough 1 10 of the magnet.
  • the permanent magnet 102 generates a magnetic field 1 12, which in the illustration in Fig. 1 by means of a characteristic course of the magnetic field lines is characterized.
  • the magnet 102 is mounted rotatably or tiltably via an axis 1 14 guided here, for example, through an opening in a center of the magnet 102.
  • the encoder 104 is coupled via at least one encoder element directly or indirectly to the magnet 102 or coupled and adapted to cause in response to actuation by an actuator here indicated by arrows tilting 1 1 6 of the magnet 102 about the axis 1 14.
  • the encoder 104 may be connected to an actuator of the switching device one or two pieces. Thus, by pressing a button of the actuator, an actuator may place the magnet 102 in a tilted position via the transducer 104, thereby triggering a desired shift in the shift apparatus 100.
  • the sensor device 106 is arranged below the magnet 102 on a printed circuit board 1 18 or alternatively on any other carrier element of the switching device 100.
  • the sensor device 106 is designed to sense the tilting movement 1 1 6 of the magnet 102 and includes a first sensor element 120 and a second sensor element 122.
  • the first sensor element 120 is the north pole section 108 of the magnet 102 and the second sensor element 122 is the south pole section 1 10 of the magnet 102 assigned.
  • these assignments are given by the first sensor element 120 being referenced to an imaginary axis of symmetry 124 by a center of the magnet 102 (indicated by a vertical dashed line in FIG.
  • the assignments are exemplary. In accordance with alternative embodiments, the assignments may generally be realized such that, in principle, the sensor element assigned to a specific section of the magnet 102 is positioned closer to it than to the other section.
  • the sensors or sensor elements 120, 122 are Hall sensors executed. Alternatively, other suitable transducers can be used.
  • the encoder 104 is positioned relative to the magnet 102, that a switching device 104 performed by the switching operation, the tilting movement 1 1 6 in the form of tilting the Südpolabitess 1 10 of the magnet 102 down and simultaneously the north pole section 108 causes upward.
  • the tilting movement 1 1 6 the south pole section 1 10 approaches the second sensor 122, while the north pole section 108 moves away from the first sensor 120.
  • the magnetic field 1 12 generated by the magnet 102 shifts, ie it approaches the second sensor 122 on the right in the illustration and moves away from the first sensor 120 in the illustration on the left.
  • the first sensor element 120 is designed to detect a plurality of first magnetic field values 126 of a first magnetic field displacement of the magnetic field 1 12 of the magnet 102 caused by the tilting movement 1 1 6.
  • the second sensor element 122 is correspondingly designed to detect a plurality of second magnetic field values 128 of a second magnetic field displacement of the magnetic field 1 12 of the magnet 102 caused by the tilting movement 1 1 6.
  • the first magnetic field values 126 are always sign-like in the second magnetic field values 128 according to this exemplary embodiment exactly opposite, d. that is, the first magnetic field values 126 increase, then the second magnetic field values 128 decrease, and vice versa.
  • the exemplary switching device 100 in FIG. 1 also has an evaluation device 130.
  • the evaluation device 130 is coupled to the sensor device 106 and configured to process the detected magnetic field values 126, 128 using a suitable algorithm and to provide an actuation signal 132 for indicating a switching actuation if a magnetic field value of the plurality of first magnetic field values 126 corresponds to a predetermined first actuation value and a magnetic field value of the plurality of second magnetic field values 128 corresponds to a predetermined second actuation value.
  • the first and second operation values represent a switching point of the switching device 100.
  • the switching device 100 executes a switching operation initiated by the operation of the encoder 104, that is, provides the operation signal 132 suitable for, for example, switching device 100 Turn on or off the paired device.
  • the embodiment of the switching device 100 shown in FIG. 1 has an optional mechanical element 134.
  • the mechanical element 134 is one
  • Snap disk designed and coupled to the transmitter 104 or coupled.
  • the snap disk 134 is arranged in or on the switching device 100, that they with sufficient switching operation of the encoder 104 for effecting the tilting movement 1 1 6 - ie at a sufficiently long and / or strong pressure on the actuator of the switching device 100 by the actuator - from a stable state in a metastable state and possibly jump back to the stable state.
  • a course of the tilting movement 1 16 can be designed so that the tilting movement 1 16 first braked and, caused by jumping the snap disk 134, is greatly accelerated.
  • the jumping over of the snap-action disc 134 results in a characteristic progression change in the course of the tilting movement 16.
  • the snap-action disc 134 is arranged and designed so that the snap-in disc 134 falls within the period of the switching point of the switching device 100 and thus is suitable for providing the haptic and / or audible indicating the actuation signal 132 and thus to give the actuator information about a successful operation of the switching device 100.
  • the mechanical element 134 may also be used in a different form than a snap-action disc 134 and be installed at different positions in the switching device 100. It can also be found according to embodiments, a plurality of mechanical elements 134 in the switching device 100 use.
  • FIG. 2 is a diagram for explaining an application of a defined switching point of the switching device according to an embodiment of the present invention.
  • a schematically represented curve 200 of first magnetic field values 126 and a schematically illustrated curve 204 of second magnetic field values 128 are plotted over time t when a switching device is actuated.
  • the switching device is equipped with a explained with reference to FIG. 1 mechanical element for haptic and / or audible indication of a switching operation of the switching device.
  • the first magnetic field values 126 may, for example, be detected and provided by the first sensor element shown in FIG. 1.
  • the second magnetic field values 128 can be detected and provided by the second sensor element shown in FIG. 1.
  • the course 200 of the first magnetic field values 126 initially has a first gradient upon actuation of the encoder device of the switching device, so that a first rate of change between successive first magnetic field values 126 is present.
  • a resistance of the incorporated mechanical element against a pressing force of the actuator on the transducer increases and the trace 200 of the first magnetic field values 126 flattens, thereby also decreasing the rate of change between successive first magnetic field values 126 versus the first rate of change.
  • the resistance collapses and the trace 200 has a third slope greater than the first slope. This results in a third rate of change between successive first magnetic field values 126 that is greater than the first rate of change.
  • a kink between the flat and steep portions of the trace 200 represents a predetermined characteristic in the trace 200 or a predetermined characteristic in the rate of change between successive first magnetic field values 126 resulting from a characteristic change in the tilting motion of the mechanical element Magnet is.
  • a current magnetic field value which is, for example, immediately before the bend, on the bend or immediately after the bend, can be used as the first current magnetic field value 202 of the plurality of first magnetic field values.
  • recorded field values 126 and used to teach a defined switching point of the switching device.
  • an evaluation device or a suitable control device of the switching device set the predetermined first actuation value to the first current magnetic field value 202.
  • the course 204 of the second magnetic field values 128 corresponds in magnitude, but with a reversed sign, to the course 200 of the first magnetic field values 126.
  • the course 204 has a corresponding bend at which a second current magnetic field value 206 of the plurality of second magnetic field values 128 is detected and for teaching a defined switching point Switching device can be used.
  • the evaluation device or the suitable control device of the switching device can set the predetermined second actuation value to the second current magnetic field value 206.
  • an evaluation device or a control device of an exemplary switching device presented here may be configured to change the predetermined first actuation value to the first actual magnetic field value 202 if the first current magnetic field value 202 lies within a predetermined first magnetic field value interval 208.
  • the evaluation device or the control unit may be configured to change the predetermined second actuation value to the second actual magnetic field value 206 if the second actual magnetic field value 206 is within a predetermined second magnetic field value interval 210.
  • the functionality for teaching the switching point presented on the basis of the diagrams in FIG. 2 can also be realized without the use of a mechanical element or with the use of a mechanical element differing from the mechanical element described with reference to FIG. 1, in order to change a change in the aging process of the switching device balance mechanical interaction.
  • FIG. 3 shows a schematic representation of the switching device 100 according to a further exemplary embodiment of the present invention.
  • magnet 102 is implemented as a bar magnet with north pole section 108 and south pole section 110.
  • the magnet 102 becomes supported by a disc 300 whose diameter corresponds approximately to a length of the magnet 102.
  • the axis 1 14 for tiltably supporting the magnet 102 passes through both the magnet 102 and the disk 102 supporting the disc 300 in the center.
  • the first sensor element 120 is arranged obliquely below the north pole section 108 and assigned thereto
  • the second sensor element 122 is arranged obliquely below the south pole section 11 and assigned thereto.
  • the encoder device of the exemplary switching device 100 shown in FIG. 3 has a transducer device comprising a first transmitter element 302 and a second transmitter element 304.
  • This design of the encoder 104 allows the execution of the switching device 100 as a switch with two stable or even two unstable switching positions.
  • the encoder elements 302, 304 are each designed rod-shaped.
  • the first donor member 302 extends from a first position 306 on the disk 300 near the north pole portion 108 of the magnet 102 to a first actuator 308 of the switching device 100.
  • the second encoder element 304 extends from a second position 310 on the disk 300 near the north pole portion 108 of the magnet 102 to a second actuating element 312 of the switching device 100.
  • FIG. 3 shows the exemplary switching device 100 in a rest position.
  • the bar magnet 102 lies parallel with respect to the sensor elements 120, 122.
  • a distance of the north pole section 108 from the first sensor element 120 is equal to a distance of the south pole section 110 from the second sensor element 122. Accordingly, the sensors 120, 122 detect identical first and second magnetic field values.
  • FIG. 4 shows the exemplary switching device 100 from FIG. 3 in a first tilted position on the basis of a further basic illustration.
  • the illustration in FIG. 4 shows the switching device 100 after a switching operation of the second actuating element 312.
  • the second encoder element 304 has, by means of a rotation of the disk 300, already produced with reference to the representation in FIG. Purified tilting motion caused 1 1 6.
  • the Südpolabêt 1 10 of the magnet 102 is now closer to the second sensor element 122 than in the rest position shown in Fig. 3 of the switching device 100.
  • the north pole section 108 of the magnet 102 is now further away from the first sensor element 120 than in the rest position of the switching device 100 shown in FIG. 3. With the tilting movement 1 1 6, a displacement of the magnetic field 1 12 caused by the magnet 102 has taken place. Thus, in sensing the tilting movement 1 1 6, the first sensor 120 has detected a plurality of changing first magnetic field values and the second sensor 122 has detected a plurality of second magnetic field values which change in the opposite direction to the first magnetic field values.
  • FIG. 5 again shows the exemplary switching device 100 from FIG. 3 in a second tilted position, preceded by a further switching operation of the transducer device, on the basis of a schematic illustration.
  • an actuator has pressed on the first actuating element 308.
  • the first encoder element 302 has caused a further tilting movement 500 of the magnet 102 which opposes the tilting movement by means of a further rotation of the disk 300 opposite to the rotation.
  • the magnet 102 was brought from the first tilting position shown in FIG. 4 via the rest position shown in FIG. 3 into the second stable tilting position shown in the illustration in FIG. 5.
  • the south pole section 110 of the magnet 102 is now further away from the second sensor element 122 than in the rest position of the switching device 100 shown in FIG. 3.
  • the north pole section 108 of the magnet 102 is closer to 3 with the further tilting movement 500, a displacement to that shown in Fig. 4 opposite further displacement of the caused by the magnet 102 magnetic field 1 12 has taken place.
  • the first sensor 120 has a plurality of further first magnetic field values which change in an opposite manner to the first magnetic field values.
  • the second sensor 122 has detected a plurality of further second magnetic field values which change in an opposite manner to the second magnetic field values.
  • the disk 300 shown in the embodiment games of Figures 3 to 5 is selected only by way of example.
  • another tilting means may be used, or the donor members 302, 304 may be coupled directly to the magnet 102.
  • the switching device 100 a return device, such as a spring element, have to move the tilting magnet 102 from the positions shown in Figures 4 and 5 without further actuation of an actuator back to the rest position shown in Fig. 3. If the switching device is designed with a mechanical element, for example the snap disk described, then the mechanical element can be used to effect a corresponding return movement into the rest position.
  • FIGS. 3 to 5 clearly show an exemplary position detection of the switching device 100 presented here by the tilting magnet 102, which in the exemplary embodiment shown is designed as a rotatably mounted bar magnet.
  • the tilting magnet 102 is actuated by the two encoder elements 302, 304 in such a way that it is rotated in a first direction by the first encoder element 302 for executing the tilting movement 16 and is rotated by the second encoder element 304 in a second direction to execute the further tilting movement 500 becomes.
  • the bar magnet 102 is arranged horizontally relative to a printed circuit board (not shown) carrying the sensors 120, 122.
  • the first magnetic sensor 120 is disposed and arranged to the south pole 1 10 of the second magnetic sensor 122.
  • the magnetic field 1 12 of both magnetic sensors 120, 122 is influenced; upon actuation of the second encoder element 304, the magnetic field 1 12 in both sensors 120, 122 is influenced in opposite directions.
  • the detection of the operation of the encoder elements 302, 304 of the encoder unit is detected by a change in the magnetic field direction of the two magnetic sensors 120, 122, so that the influence of external fields detected or can be deducted.
  • analog Hall sensors are used for the magnetic sensors 120, 122.
  • the use of a "double-die" 3D sensor is also conceivable, in which case an external field influence is not recognized under all conditions.
  • a defined switching point or switching point can be taught, which is coupled, for example, with a mechanical click sound.
  • the mechanical click sound can be generated, for example, with a snap disk.
  • the time can be recognized, to which z. B. the snap disc is stretched maximum - since then there is a speed of almost zero - and when z. B. the snap disc collapses - because then the speed is very high.
  • the switching point can be placed exactly in this transition, whereby a mechanical feeler is simulated via the haptic and the clicking sound.
  • FIG. 6 shows a flow chart of an embodiment of a method 600 for detecting an actuation of a switching device.
  • the method 600 may be implemented to detect an actuation of an embodiment of the above-discussed switching device.
  • an actuation signal for indicating the switching operation is provided when a magnetic field value of a plurality of first magnetic field values detected by a first sensor of the switching device corresponds to a predetermined first actuation value and a magnetic field value of the plurality of second magnetic field values detected by a second sensor of the switching device is predetermined second actuation value corresponds.
  • a course of the first magnetic field values and a profile of the second magnetic field values or a progression of a rate of change of the first magnetic field values and a profile of a rate of change of the second magnetic field values are determined.
  • a first current magnetic field value of the Detected a plurality of first magnetic field values and a second current magnetic field value of the plurality of second magnetic field values is changed to the first actual magnetic field value and the predetermined second actuation value is changed to the second actual magnetic field value.
  • an exemplary embodiment comprises a "and / or" link between a first feature and a second feature
  • this can be read so that the embodiment according to one embodiment, both the first feature and the second feature and according to another embodiment, either only the first Feature or only the second feature.

Abstract

L'invention concerne un dispositif de commutation (100). Le dispositif de commutation (100) comprend un aimant (102) monté basculant, un système transmetteur couplé à l'aimant (102) et réalisé pour provoquer un mouvement de bascule (116) de l'aimant (102) en réponse à un actionnement de commutation du dispositif de commutation (100), et un système détecteur, qui comporte pour détecter le mouvement de bascule (116) un premier élément détecteur (120) et un second élément détecteur (122), le premier élément détecteur (120) étant réalisé pour saisir une pluralité de premières valeurs de champ magnétique d'un premier déplacement d'un champ magnétique (112) généré par l'aimant (102) provoqué par l'intermédiaire du mouvement de bascule (116), et le second élément détecteur (122) étant réalisé pour saisir une pluralité de secondes valeurs de champ magnétique d'un second déplacement du champ magnétique (112) généré par l'aimant (102) provoqué par le mouvement de bascule (116).
EP15729132.9A 2014-07-10 2015-06-09 Dispositif de commutation et procédé de reconnaissance d'un actionnement d'un dispositif de commutation Withdrawn EP3167550A1 (fr)

Applications Claiming Priority (2)

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DE102014213396.3A DE102014213396A1 (de) 2014-07-10 2014-07-10 Schaltvorrichtung und Verfahren zum Erkennen eines Betätigens einer Schaltvorrichtung
PCT/EP2015/062789 WO2016005124A1 (fr) 2014-07-10 2015-06-09 Dispositif de commutation et procédé de reconnaissance d'un actionnement d'un dispositif de commutation

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EP3167550A1 true EP3167550A1 (fr) 2017-05-17

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EP (1) EP3167550A1 (fr)
JP (1) JP6674440B2 (fr)
CN (1) CN106537779B (fr)
DE (1) DE102014213396A1 (fr)
WO (1) WO2016005124A1 (fr)

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JP2017524224A (ja) 2017-08-24
JP6674440B2 (ja) 2020-04-01
WO2016005124A1 (fr) 2016-01-14
CN106537779A (zh) 2017-03-22
CN106537779B (zh) 2019-05-03
US10008349B2 (en) 2018-06-26
US20170221661A1 (en) 2017-08-03
DE102014213396A1 (de) 2016-01-14

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