EP3942260A1 - Angle detection device - Google Patents
Angle detection deviceInfo
- Publication number
- EP3942260A1 EP3942260A1 EP20712957.8A EP20712957A EP3942260A1 EP 3942260 A1 EP3942260 A1 EP 3942260A1 EP 20712957 A EP20712957 A EP 20712957A EP 3942260 A1 EP3942260 A1 EP 3942260A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- detection device
- angle detection
- cover
- sensor
- 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.)
- Pending
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/265—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/266—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
- G01F23/38—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using magnetically actuated indicating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/80—Arrangements for signal processing
- G01F23/802—Particular electronic circuits for digital processing equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
- G01F23/36—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
Definitions
- the present invention relates to an angle detection device, an angle detection arrangement and a fuel level detection device with the angle detection device as well as a method for detecting an angle by means of the angle detection device, in particular an arrangement for detecting a fuel level by means of the fuel level detection device, as well as for lowering the angle detection device.
- DE 196 48 539 C2 discloses a passive magnetic position sensor with a contact structure which can be deflected under the action of a magnetic device.
- An object of an embodiment of the present invention is to provide a new, preferably improved, angle detection device or arrangement, in particular a special fuel level detection device, and / or to improve its freeing position and / or function.
- Claims 9-12 provide an angle detection arrangement or fuel level detection device with an angle detection device described here or a method for detecting an angle by means of an angle detection device described here, in particular
- an angle detection device comprises a carrier, a cover which is or is connected to the carrier by means of one or more, in one embodiment ring-like, solder connection layers or one or more, in one embodiment ring-like, adhesive connection layers, and a Sensor that detects an orientation of a magnetic field of a magnet in a contactless manner or is provided for this purpose, in particular is directed or is used.
- the sensor is a Hall (effect) sensor, in particular a 2D vertical Hall sensor or 2D lateral Hall sensor, in particular a differential or triaxial sensor, an xMR sensor, in particular a AMR, GMR or TMR sensor, a magnetic saturation sensor or the like.
- wear can be reduced in one embodiment, in particular in comparison to the contact structure known from DE 196 48 539 C2, and thus reliability, precision and / or service life can be improved in one embodiment.
- the senor is or will be in an interior space that is completely or partially defined by the carrier and the cover connected to it, in one embodiment on the carrier, in a further development within the ring-like solder or adhesive connection layer , arranged, in one embodiment cohesively, in a further development by means of soldering and / or bare chip assembly (“chip-on-board” technology, COB).
- the senor can advantageously be protected from environmental influences in one embodiment. Due to the soldering or adhesive connection layer (s), the carrier and cover are or will be tightly connected in one embodiment, air- and / or liquid-tight, in particular water, gasoline and / or diesel-tight, in one embodiment, whereby the Sensor advantageous (er) can be protected against environmental influences.
- soldering or adhesive connection layer is (in each case) resistant to fuel, in particular petrol and / or diesel, in one embodiment.
- the or at least one of the solder connection layer (s) has in one embodiment, in particular for this purpose, a metal, in particular tin and / or silver alloy, and / or glass, in particular glass solder; it can in particular consist of this.
- an outer edge of the or at least one of the solder or adhesive connection layer (s) is or will be arranged at least 1 mm and at most 15 mm, in particular at most 10 mm, away from an outer edge of the carrier.
- the tightness and / or manufacture of the angle detection device can be improved in one embodiment, in particular in comparison to one Edge soldering and especially edge welding.
- this advantageously enables panel production to be realized in which a (overall) carrier plate is initially equipped with several sensors and covers and then divided into carriers for the individual angle sensors.
- the angle detection device has one or more, preferably two or three, conductor tracks, which (each), in one embodiment cohesively, are or will be arranged on, in particular on and / or in, the carrier and in one embodiment for electrical Signal transmission or provided as electrical conductor tracks, in particular set up or used.
- the carrier can thus in particular have, in particular be on, in particular on a substrate on which the conductor track (s) is / are arranged or
- the angle detection device can be made compact (more) and / or reliable (more) and / or simply manufactured in one embodiment.
- the senor is or will be arranged, in particular cohesively, at least partially on the or one or more of the conductor tracks or at least partially covers them in one embodiment.
- his, in particular cohesive fastening can be improved in one embodiment.
- the or one or more of the conductor tracks are or will be arranged completely or completely or (only) partially in the interior space.
- the or one or more of the conductor tracks) between the carrier and the cover in one embodiment by an electrical insulation and / or adhesive connection layer between the carrier and cover, are led out of the interior, this electrical insulation or Adhesive connection layer at least locally covers the conductor track (s) in one embodiment.
- the tightness and / or manufacture of the angle detection device can be (further) improved; in one embodiment, through-openings in the interior that reach through the carrier can be avoided Impair the (permanent) tightness of the interior and / or laboriously (er) have to be manufactured and / or sealed.
- the or one or more of the conductor tracks are or will be connected to an electrical bushing, in one embodiment of a through-hole ("DuKo"), which completely or completely or (only) partially extends through and in one embodiment is or is connected to a further conductor track, which in one embodiment is or will be arranged, in particular cohesively, on a surface of the carrier facing away from the cover.
- DuKo through-hole
- the or one or more of the feedthrough (s) or contacting (s) each have a through passage in the carrier or cover that engages through the latter, the passage passage being filled electrically conductive or its (inner) wall electrically conductive is coated, so that the conductor track connected therewith, at least partially arranged in the interior, in one embodiment from a side of the carrier facing away from the cover over the
- Implementation or contacting can be electrically supplied and / or tapped.
- the or one or more of the feedthrough (s) or contacting (s) are closed or sealed in air and / or liquid, in particular water, gasoline and / or diesel-tight, in one embodiment cohesively, in particular by soldering, in one embodiment metallic or glass soldering, or gluing.
- one end of the or one or more of the bushings is arranged in the interior. In one embodiment, both ends of the or one or more of the bushings are arranged outside the interior.
- the signal transmission from the interior can be implemented simply (more), compact (more) and / or reliably (more).
- the or one or more of the Lei terbahnen which are arranged entirely or completely in the interior, are (each) connected to one (of the) bushings, one end of which is also in the interior is arranged, in particular with this end, wherein in one embodiment the other end of this passage can be or can be connected to a further conductor track on a surface of the carrier facing away from the cover.
- the or one or more of the conductor track (s) that are led out of the interior between the carrier and cover are (each) connected to one (of the) bushings, both ends of which are outside the interior are arranged, in particular with one of these ends, wherein in one embodiment the other end of this leadthrough can be or can be connected to a further conductor track on a surface of the carrier facing away from the cover.
- the or one or more of the conductor tracks are or will be, in particular the or one or more of the conductor tracks that are led out of the interior between the carrier and the cover or the or one or more of the conductor tracks several of the, in particular arranged completely in the interior, conductor track (s), which are connected to one (the) electrical bushing (s) that extends through the carrier or cover, (each), in one embodiment via at least one Another conductor track, connected to an (electrical) connection, which is arranged in one embodiment on a side of the carrier facing the cover, in another embodiment on a side of the carrier facing away from the cover.
- a line can be or will be attached to the connection, in one embodiment cohesively, in particular by soldering, or in a frictional connection, in particular by means of a clamp.
- the angle detection device can be made compact (more) in one embodiment; by means of a connection facing away from the cover, in one embodiment, the surface of the carrier facing away from the cover can be better used or also used.
- the angle detection device has an evaluation circuit which is or will be arranged in the interior, in particular, in one embodiment cohesively, on the carrier, in one embodiment by means of bare chip assembly (COB), and / or evaluates signals from the sensor, in particular processed, or provided for this purpose, in particular set up or used.
- COB bare chip assembly
- the evaluation or processing of signals from the sensor can at least partially be carried out by the angle detection device realized itself and thus the connection and / or the use of the angle detection device can be improved in one embodiment.
- the evaluation circuit is programmed, in one embodiment via the or one or more of the conductor track (s), or evaluation circuit and possibly conductor track (s) are provided for this purpose, in particular set up or used for this purpose.
- a characteristic curve for the sensor which can be changed in one embodiment, can be stored in the evaluation circuit and / or specified, in particular changed, via the one or more of the conductor track (s).
- the angle detection device can advantageously be adjusted in situ (first or after).
- evaluation circuit is implemented as
- the production can be (further) improved and / or the angle detection device can be made more compact.
- the evaluation circuit is designed as an integrated circuit with the sensor or combined with the sensor to form an integrated circuit.
- the production can be (further) improved and / or the angle detection device can be made more compact.
- the evaluation circuit is formed separately from the sensor, in particular the evaluation circuit and sensor, in one embodiment on the carrier, arranged individually and / or spaced from one another.
- the angle detection device has one or more electrical components, in particular capacitor (s) or the like, which are arranged in the interior, in one embodiment on the carrier and / or cohesively, and with the sensor and / or the evaluation circuit , especially about the or one or more of the conductor track (s) are or will be electrically connected.
- capacitor (s) or the like which are arranged in the interior, in one embodiment on the carrier and / or cohesively, and with the sensor and / or the evaluation circuit , especially about the or one or more of the conductor track (s) are or will be electrically connected.
- signal filtering and / or, in particular special electrical, protection, in particular interference voltage or overload protection can advantageously be implemented.
- the senor, the evaluation circuit and / or the or one or more of the electrical components in one embodiment with contacts and / or lines, in particular bond wires or the like, with the or one or more of the conductor track (s) connected.
- the senor, the evaluation circuit and / or the or one or more of the electrical components are electrically supplied and / or tapped via the or one or more of the conductor track (s) and / or, in particular electrical, signals from the sensor , the evaluation circuit and / or the or one or more of the electrical components and / or, in particular electrical cal, signals to the sensor, the evaluation circuit and / or the or one or more of the electrical components via the or one or more of the Conductor tracks) transferred or the conductor track (s) used for this purpose or is / are this conductor track (s) provided for this purpose, in particular set up.
- the production and / or electrical connection can be (further) improved.
- the carrier has one or more electrically insulating surface areas, in a further development a single or multi-layer base body or a single or multi-layer substrate made of electrically insulating material.
- the conductor tracks can advantageously be implemented or electrically isolated from one another in one embodiment.
- the cover has metal and / or a non-ferromagnetic material such as ceramic, plastic or the like; it can in particular consist entirely of metal or, in an alternative embodiment, on an edge of a base body connected to the connecting layer, the In one version made of non-ferromagnetic material, be coated with metal.
- Metal lids or lids with metallized edges can be soldered particularly advantageously in one embodiment.
- the magnet detected by the sensor can advantageously be arranged on the cover side.
- the cover has a recess in which the sensor is at least partially received.
- the lid can be formed in the manner of a pot.
- the senor can be protected and / or the angle detection device can be made compact.
- the interior is or will be completely or partially filled with gas and / or an elastic filler or evacuated.
- the senor, the evaluation circuit and / or the electrical component (s) can be advantageously protected.
- At least one, in one embodiment ring-like, electrical insulation is or is arranged between the carrier and the cover, which in one embodiment at least partially covers the conductor track (s) and / or cohesively on the carrier or cover is or will be arranged. Additionally or alternatively, between the carrier and the cover, in one embodiment on the carrier or this electrical insulation and / or cohesively, at least one fastening layer, metallic and / or ring-like in one embodiment, is arranged on which the or at least one of the soldering or adhesive connection layer (s) is or will be arranged. In another embodiment, the or at least one of the soldering or adhesive connection layer (s) is or will be arranged on the electrical insulation or the carrier.
- the conductor tracks between the carrier and the, in particular soldered, cover can advantageously be led out of the interior space and / or, in particular in this case, electrically isolated from one another.
- the adhesive connection layer can at least partially form the electrical insulation.
- the fastening Layer, the formation of the solder connection layer can be improved in one embodiment.
- an angle detection arrangement has an angle detection device described here and a movable magnet, wherein in one embodiment an orientation of a magnetic field of this magnet is detected without contact by the sensor or it can be detected.
- the carrier is or will be arranged between the cover and the magnet or the magnet on the side of the carrier facing away from the cover.
- the cover can be made of metal with ferromagnetic properties.
- the cover is or will be arranged between the carrier and the magnet or the magnet on the side of the cover facing away from the carrier.
- a through-hole connection through the carrier can be implemented particularly advantageously. Additionally or alternatively, a distance between the magnet and the sensor can be reduced as a result, in particular with a non-ferromagnetic cover.
- the magnet is or is rotatable (supported) about an, in particular kinematic, axis of rotation that intersects the interior, in particular virtually, and / or with a height axis of the carrier that runs in the direction of its, in particular minimal, wall thickness Includes angle which is at most 45 °, in particular at most 30 °, in one embodiment at most 15 °, in particular that is at least substantially perpendicular to the carrier or its plane.
- the angle detection arrangement can be made compact and / or precisely detect the orientation or angular position of the magnet.
- An angle detection device or arrangement according to the invention can be used with particular advantage to detect a fuel fill level io are or provided, in particular be set up, in particular due to an advantageous tightness and / or angle detection.
- a power-off level (height) detection device in particular for a motor vehicle, in one embodiment of a motor vehicle, an angle detection device described here and a magnet, the magnetic field orientation of which is detected without contact by the sensor of the angle detection device or is detectable, or an angle detection arrangement described here.
- a float is coupled to this magnet or the magnet of this angle detection arrangement of the fuel level (height) detection device, in one embodiment mechanically, in particular via a linkage or the like, and / or in such a way that a change in level height leads to a, In particular, a defined rotation of the magnet about an axis of rotation or a corresponding change in an orientation of its magnetic field, which can be or is detected by the sensor.
- an orientation of a Magnetic field of one or the magnet is detected contactlessly by means of the sensor and a corresponding, in one embodiment by the evaluation circuit and / or on the basis of a device stored in the angle detection device, in particular evaluation circuit, in one embodiment via the or one or more of the conductor track ( en) predetermined, in particular changed, characteristic curve, processed signal, in one embodiment via the or one or more of the conductor track (s), output.
- the cover and the carrier are connected to one another by means of the solder or adhesive connection layer (s), in one embodiment by reflow soldering at least one solder layer (“reflow”).
- an, in particular one-piece, carrier plate is added to the production of several, in one embodiment structurally identical, angle detection devices described here. next with several sensors, in one version additionally with several evaluation circuits and / or electrical components, equipped and then divided into carriers for the individual angle sensors.
- the carrier plate after equipping the carrier plate with the sensors and, if necessary, evaluation circuits and / or electrical components, several covers are made by means of the respective soldering or adhesive connection layer (s), in one embodiment by reflow soldering, with which, in one embodiment, still integral, Carrier plate connected so that in each case one of the sensors and optionally one of the evaluation circuits and / or one or more of the electrical components is or are arranged in an interior that is defined by the carrier plate and the respective cover, and then the carrier plate equipped in this way in (Carrier for the or the) individual angle detection device (s) divided or isolated.
- the carrier plates can thus be a panel or the angle detection devices can be produced by panel production.
- the senor, the evaluation circuit and / or the electrical component (s) of the or one or more angle detection device (s) are or are in each case with the or one or more of the conductor track ( en) electrically connected, in one embodiment cohesively, via contacts and / or by means of wires, in particular bond wires, in one embodiment during or after the mounting of the carrier plate with the sensors, evaluation circuits or electrical components and before the connection with the covers.
- the carrier with the conductor track (s) (as) a Lei terplatte or a circuit carrier or the carrier plate (as) an overall conductor plate (formed).
- the carrier has ceramic, glass, plastic and / or epoxy resin material, in particular ceramic, glass, plastic and / or epoxy resin laminate and / or composite material
- Plastic and / or epoxy resin material in particular polyimide, polytetrafluoroethylene or hydrocarbon resin, in particular with glass fibers and / or ceramic, in particular ceramic filler, can be made from this, in particular made of ceramic material, epoxy-glass fiber composite material, with hydrocarbon resin Ceramic filler, polytetrafluoroethylene composite with Ceramic or polyimide composite material with glass fibers.
- the manufacture and / or tightness, in particular service life, of the angle or fuel level detection device can be (further) improved and / or made easier getting produced.
- the cover is arranged over the carrier. Additionally or alternatively, in one embodiment the carrier completely covers the cover. Additionally or alternatively, the or one or more of the conductor track (s) is / are arranged flat on, in particular on or in, the carrier.
- the angle detection device can advantageously be produced, in particular in a particularly simple and / or compact manner.
- Fig. 1 shows a fuel level detection device with an Winkelerfas solution arrangement with an angle detection device according to an embodiment of the present invention
- FIG. 3 shows the angle detection arrangement in a section along the line III-III in FIG.
- FIG. 4 shows an angle detection arrangement according to a further embodiment of the present invention in a representation corresponding to FIG. 3, and FIG.
- Fig. 5 is a plan view of a carrier plate during the manufacture of the Win keler detection device.
- Fig. 1 shows a fuel level detection device with an angle detection arrangement arranged in a fuel tank 200 with an angle detection device according to an embodiment of the present invention.
- a float 201 is coupled to a permanent magnet 100 of the detection device in such a way that a change in fill level leads to a twisting of the magnet 100 about an axis of rotation R which is perpendicular to the plane of the drawing in FIG. 1.
- FIG. 2 shows the angle detection arrangement in a top view, FIG. 3 in a section along the line III-III in FIG. 2.
- the angle detection device of this angle detection arrangement has a carrier 10 and a cover 20.
- two conductor tracks 60, 61 and a ring-like electrical insulation 70, which covers the two conductor tracks 60, 61, are cohesively arranged.
- a metallic fastening layer 71, to which the cover 20 is connected by a soldered connection layer 30, is arranged in a materially bonded manner on the electrical insulation 70, so that the carrier 10 and cover 20 define an interior 50.
- An outer edge 31 of this solder connection layer 30 is at a distance of between 1 mm and 15 mm from an outer edge 11 of the carrier 10.
- a sensor for contactless detection of an orientation of a magnetic field of the magnet 100 is arranged, which in the Ausfer approximately example of FIGS. 2, 3 is combined with an evaluation circuit to form an integrated circuit 40, which is cohesively arranged on the carrier 10 and above Bond wires 80 is connected to the conductor tracks 60, 61, which in turn are led out of the interior 50 between the carrier 10 and the cover 20 and via which signals from the integrated circuit 40 can be output to lines 300 which are connected to the connections 301 material or are frictionally connected to the conductor track 60, 61, and on the other hand, conversely, a characteristic curve of the evaluation circuit of the integrated circuit 40 for evaluating the sensor can be programmed, in particular reprogrammed, in situ.
- the carrier 10 is arranged between the cover 20 and the magnet 100, the axis of rotation R of which intersects the interior 50 and an angle of approximately 0 with a height axis of the carrier in the direction of its wall thickness (vertical in FIG. 3) ° includes.
- the orientation of the magnetic field of the magnet 100 is detected in a contactless manner by means of the sensor of the integrated circuit 40 and a corresponding signal processed by the evaluation circuit of the integrated circuit 40 on the basis of a characteristic curve stored or programmed therein is transmitted via the conductor tracks 60, 61 given to lines 300 from.
- a Trä gerplatte 400 indicated by dashed lines in Fig. 3, on the surface of which the respective conductor tracks 60, 61 are arranged, equipped with several of the integrated circuits 40, before, in parallel or afterwards the respective electrical Insulations 70 and arranged on them the metallic fastening layers 71, these are then connected by reflow soldering a solder layer, which thereby forms the respective solder connection layer 30, with a cover 20 each, and then the carrier plate 400 equipped in this way in (carrier 10 for the ) individual angular detection devices divided.
- FIG. 4 shows in a representation corresponding to FIG. 3 an angle detection arrangement according to a further embodiment of the present invention, which can be used instead of the angle detection arrangement of FIGS. 2, 3 in the fuel level detection device of FIG.
- the conductor tracks 60, 61 are not led out of the interior 50 between the carrier 10 and the cover 20, but are connected to vias 90 which reach through the carrier 10 and are in turn connected to conductor tracks 62 which are on the side facing away from the cover Surface of the carrier 10 (below in Fig. 4) are arranged.
- the vias 90 are sealed with a filler 92.
- the sensor 41 for contactless detection of the orientation of the magnetic field of the magnet 100, the evaluation circuit in the form of a bare chip 42 and a capacitor 43 are separately formed, each materially arranged on the carrier 10 and by means of bond wires 80 connected to the conductor tracks 60, 61.
- the cover 20 is arranged between the carrier 10 and the magnet 100 and is connected to the carrier 10 by means of the solder connection layer 30 without electrical insulation 70.
- the cover 20 has a base body 21 made of non-ferromagnetic material, the edge of which is metallized and is or will be connected to the solder connection layer 30 by reflow soldering in the above-mentioned groove.
- the metallic fastening layer 71 is arranged in a materially bonded manner on the carrier 10.
- FIG. 5 shows a plan view of the carrier plate 400 during manufacture of the angle detection device (s).
- three or more conductor tracks can also be provided.
- an adhesive connection layer can be provided instead of the solder connection layer 30, instead of the solder connection layer 30, an adhesive connection layer can be provided.
- the Fastening layer or metallization of the lid edge is omitted and / or the adhesive connection layer at the same time forms electrical insulation, in particular in the exemplary embodiment of FIGS.
- the senor 40 or 41 in one embodiment cohesively, can be or will be partially arranged on the two conductor tracks 60, 61 or one of these two conductor tracks 60, 61 or partially cover them in one embodiment.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019203827.1A DE102019203827A1 (en) | 2019-03-20 | 2019-03-20 | Angle detection device |
DE102019203825.5A DE102019203825B4 (en) | 2019-03-20 | 2019-03-20 | Angle detection device and fuel level detection device |
PCT/EP2020/057672 WO2020188053A1 (en) | 2019-03-20 | 2020-03-19 | Angle detection device |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3942260A1 true EP3942260A1 (en) | 2022-01-26 |
Family
ID=69903186
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20712957.8A Pending EP3942260A1 (en) | 2019-03-20 | 2020-03-19 | Angle detection device |
EP20712954.5A Active EP3942259B1 (en) | 2019-03-20 | 2020-03-19 | Angle detecting device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20712954.5A Active EP3942259B1 (en) | 2019-03-20 | 2020-03-19 | Angle detecting device |
Country Status (5)
Country | Link |
---|---|
US (2) | US20220163368A1 (en) |
EP (2) | EP3942260A1 (en) |
KR (1) | KR20210128001A (en) |
CN (2) | CN113597542A (en) |
WO (2) | WO2020188050A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023197044A1 (en) * | 2022-04-14 | 2023-10-19 | Gasbot Pty Ltd | Fluid level indicating apparatus |
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- 2020-03-19 CN CN202080022192.XA patent/CN113597542A/en active Pending
- 2020-03-19 US US17/439,950 patent/US20220163368A1/en active Pending
- 2020-03-19 WO PCT/EP2020/057672 patent/WO2020188053A1/en unknown
- 2020-03-19 CN CN202080020498.1A patent/CN113557410A/en active Pending
- 2020-03-19 US US17/439,887 patent/US20220187118A1/en active Pending
- 2020-03-19 KR KR1020217031030A patent/KR20210128001A/en not_active Application Discontinuation
- 2020-03-19 EP EP20712954.5A patent/EP3942259B1/en active Active
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WO2020188050A1 (en) | 2020-09-24 |
WO2020188053A1 (en) | 2020-09-24 |
CN113557410A (en) | 2021-10-26 |
US20220187118A1 (en) | 2022-06-16 |
EP3942259A1 (en) | 2022-01-26 |
EP3942259B1 (en) | 2023-05-17 |
CN113597542A (en) | 2021-11-02 |
KR20210127999A (en) | 2021-10-25 |
KR20210128001A (en) | 2021-10-25 |
US20220163368A1 (en) | 2022-05-26 |
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