EP3507437B1 - Module électronique pour système de poignée de porte de véhicule automobile - Google Patents

Module électronique pour système de poignée de porte de véhicule automobile Download PDF

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Publication number
EP3507437B1
EP3507437B1 EP17739219.8A EP17739219A EP3507437B1 EP 3507437 B1 EP3507437 B1 EP 3507437B1 EP 17739219 A EP17739219 A EP 17739219A EP 3507437 B1 EP3507437 B1 EP 3507437B1
Authority
EP
European Patent Office
Prior art keywords
antenna
circuit board
contact pins
motor vehicle
module
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.)
Active
Application number
EP17739219.8A
Other languages
German (de)
English (en)
Other versions
EP3507437A1 (fr
Inventor
Michael Kalesse
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.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Huf Huelsbeck and Fuerst GmbH and Co KG
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 Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP3507437A1 publication Critical patent/EP3507437A1/fr
Application granted granted Critical
Publication of EP3507437B1 publication Critical patent/EP3507437B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E05B81/77—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles comprising sensors detecting the presence of the hand of a user
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E05B81/78—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles as part of a hands-free locking or unlocking operation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • H01Q1/3241—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems particular used in keyless entry systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
    • H01Q7/08—Ferrite rod or like elongated core
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • E05B85/14—Handles pivoted about an axis parallel to the wing
    • E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part

Definitions

  • the invention relates to a module for a motor vehicle door handle arrangement according to the preamble of claim 1. Furthermore, the invention relates to a motor vehicle door handle arrangement and a method for producing and assembling a module and such a motor vehicle door handle arrangement.
  • Such motor vehicle door handle assemblies with a handle for operating the door of a motor vehicle are known. It is also known to arrange electronic components, such as an antenna, a coil wound around the antenna, in the handle for the automatic establishment of a radio link to an external identification transmitter and / or sensors.
  • electronic components such as an antenna, a coil wound around the antenna, in the handle for the automatic establishment of a radio link to an external identification transmitter and / or sensors.
  • winding and coil are used synonymously.
  • an antenna with a flexible, metal-having core which defines a longitudinal direction and has cladding surfaces which extend in the longitudinal direction, with an enclosure made of injection-molded material which only partially covers some of the circumferential surfaces of the core, and with a winding which is connected to the Core forms a coil.
  • a door handle with a housing which has a plurality of housing sections for receiving electrical components, and with an elastically deformable connecting section for connecting the plurality of housing sections in an interior space of a handle body.
  • the object of the invention is to provide a module for a motor vehicle door handle arrangement in which manufacture and assembly are simplified.
  • the module for a motor vehicle door handle arrangement with an antenna carrier which accommodates at least one antenna with a ferromagnetic core and a coil wound around the core, at least one connector through which the electrically conductive contact pins are guided at least from the antenna to a circuit board equipped with electronic components and connected to it, the circuit board having a connector that is used to make electrical contacts for one or more sensors and / or electronic assemblies of the module serves, and where the board is connected to electrical contact pins of the plug, it is that the board forms a load-bearing component of the module.
  • the circuit board forms a load-bearing component of the module
  • a compact, preassembled structural unit can be created in the form of a module, which is easy to handle and can be built into the motor vehicle door handle arrangement provided for this purpose.
  • the circuit board as the load-bearing component, the electronics for the motor vehicle door handle arrangement can be pre-assembled and tested before further installation, for example before the electronics are introduced into an installation space and this is encapsulated with potting compound, as is often the case to protect the electronic components.
  • the ferromagnetic core can lie in the antenna carrier in a form-fitting manner; in particular, the ferromagnetic core can be inserted in the direction of its longitudinal extension into a groove-shaped or dovetail-shaped receptacle in the antenna carrier.
  • the ferromagnetic core is formed by a cuboid shape, the extension in the longitudinal direction being made significantly larger than in the other two dimensions perpendicular to its longitudinal direction.
  • the term “inserting the core in its longitudinal direction” accordingly means an insertion direction parallel to the longitudinal extension of the ferromagnetic core.
  • the antenna carrier has a receptacle with a correspondingly contoured cross section. The assembly of the ferromagnetic core takes place only by pushing it into this receptacle of the antenna carrier.
  • the receptacle of the antenna carrier can be designed in the shape of a groove or a dovetail.
  • the ferromagnetic core is preferably formed by two parts, in particular two parts of equal length in the direction of the longitudinal extension of the core, which lie one behind the other in the antenna carrier.
  • the ferromagnetic core can thus be formed by two or more sections lying one behind the other in the longitudinal direction.
  • the ferromagnetic core can be divided centrally in the longitudinal direction into two sections of equal length. By dividing the ferromagnetic core into two or more sections, a bending area or several bending areas are formed. Such a bending area prevents damage to the ferromagnetic core as a result of slight deformation of the handle.
  • the antenna carrier preferably has at least one bending area, the bending area being formed by a material recess.
  • the bending areas formed by the material recess are preferably positioned in such a way that they are aligned perpendicular to the longitudinal extension of the ferromagnetic core with the dividing line of a division of the core into several sections. This means that the subdivision of the core that forms a bending area of the core and the bending area of the antenna carrier lie in the same plane perpendicular to the longitudinal extension of the ferromagnetic core.
  • the arrangement of such a bending area on the antenna carrier also serves to avoid damage as a result of slight deformation of the handle.
  • the coil is preferably wound around the antenna carrier in which the core lies.
  • the plug is preferably produced by single or repeated plastic encapsulation of prefabricated contact pins.
  • connection piece is particularly preferably produced by one-time or repeated plastic encapsulation of prefabricated contact pins; in particular, the connection piece and the antenna carrier can be designed in one piece, in particular made of the same material.
  • connection piece and antenna carrier can thus be produced in one piece and, in particular, with the same material by means of a single plastic injection molding process.
  • outer contour of the connector can have one or more recesses and / or grooves and / or projections that serve as a positioning aid and / or seal when the connector with the antenna carrier is inserted into an antenna chamber of the handle and interact with corresponding counterparts on the contour of the antenna chamber .
  • the connecting piece is preferably produced by single or repeated plastic encapsulation of prefabricated contact pins, with a plastic forming a flexible seal being used at least in the last plastic injection process.
  • the contact pins are preferably encapsulated with plastic once or repeatedly and form the connection piece; in particular, a softer material serving as a seal for an antenna chamber and / or electronics chamber can be used for a second encapsulation of plastic.
  • a softer material serving as a seal for an antenna chamber and / or electronics chamber can be used for a second encapsulation of plastic.
  • the same plastic material or different plastic materials with different properties can therefore be used in several plastic injection molding processes. In a first plastic injection molding process, a harder material can thus be used to form a stable connection piece.
  • This preliminary stage can be encapsulated with a softer plastic material in a second plastic injection molding process, as a result of which a seal is formed on the outside of the connection piece.
  • This seal of the connection piece is particularly preferably used at least as a seal for an antenna chamber in the handle in which the antenna carrier rests.
  • the antenna carrier preferably has at least one sensor plate of a capacitive proximity sensor, the electrical contact of which with the circuit board is established by at least one contact pin arranged in the connector.
  • the antenna carrier also accommodates at least one sensor plate of a capacitive proximity sensor. Accordingly, can the antenna carrier, in addition to the ferromagnetic core of the antenna, also accommodate a sensor plate of a capacitive proximity sensor.
  • At least one sensor sheet of a capacitive proximity sensor is preferably a form-fitting in the antenna carrier, in particular a sensor sheet of a capacitive proximity sensor can be inserted in the direction of its longitudinal extension into a groove-shaped or dovetail-shaped receptacle of the antenna carrier, in particular the sensor sheet of a capacitive proximity sensor can be inserted in the opposite direction to one inserted in the antenna carrier ferromagnetic core be inserted into a receptacle.
  • the term “pushing in the opposite direction” denotes the direction of movement during the respective assembly.
  • the ferromagnetic core can be inserted from the rear end of the antenna carrier into a corresponding receptacle in the antenna carrier for the core and the sensor plate can be inserted from the front end of the antenna carrier into a corresponding receptacle in the antenna carrier for the sensor plate, or vice versa.
  • At least one sensor plate of a capacitive proximity sensor is in a form-fitting manner in the antenna carrier and is pushed in the direction of its longitudinal extension into a groove-shaped receptacle of the antenna carrier, the sensor plate and / or the antenna carrier having / have a latching connection in which the sensor plate is in releasably latched in a pre-assembly position to enable the assembly of a connector on the sensor plate.
  • the sensor plate can have one or more recesses on one or both longitudinal edges, into which projections of the antenna carrier engage, and the sensor plate can be in a pre-assembly position lock releasably.
  • the antenna carrier can have one or more recesses on the inside, into which protrusions on one or both longitudinal edges of the sensor plate engage and the sensor plate detachably latch in a pre-assembly position. In this pre-assembly position, it is possible to place the connection piece to produce electrically conductive connections for connecting the sensor plate and the antenna to the circuit board.
  • the sensor plate with the connection piece can be pushed into its final assembly position, the sensor plate and / or the connection piece being / are preferably fixed by reaching behind an undercut on the antenna carrier.
  • an undercut on the connector and / or on the sensor plate and / or on the antenna carrier is engaged from behind by a corresponding counterpart on the respectively corresponding component.
  • the contact pins of the plug and the contact pins of the antenna and / or a sensor can be inserted into receiving bores in the board from different sides or from the same side.
  • the contact pins of the plug and the contact pins of the antenna and / or a sensor can be soldered to contacts on the board from different sides or from the same side.
  • the contact pins of the plug and the contact pins of the antenna and / or a sensor are inserted from different sides, i.e. once from below and once from above, into mounting holes in the board and the contact pins are soldered to the corresponding contacts of the Board is done from the same side. This simplifies production and there is no need to turn the arrangement or use two soldering stations.
  • connection piece preferably forms a form-fitting and / or force-fitting seal of an antenna chamber receiving the antenna carrier.
  • the connection piece can be on the outside Have antenna chamber groove which forms a form fit with a recess in the wall of the antenna chamber. Through this recess in the wall of the antenna chamber, which is sealed off by means of the seal, the electrical contacts are led to the outside, as the connection piece
  • the connector is formed by contact pins molded with plastic, the outer contour of the connector having one or more recesses and / or grooves and / or projections that serve as a positioning aid and / or seal when the connector with the antenna carrier is inserted into an antenna chamber of the handle and interact with corresponding counterparts on the contour of the antenna chamber.
  • the connection piece forms a seal for the antenna chamber of the handle.
  • connection piece preferably forms a form-fitting and / or force-fitting seal for a trough that receives the circuit board.
  • this can thus form a seal for a trough for receiving the circuit board.
  • the connector can have an antenna chamber groove on the outside, which forms a positive fit with a recess in a wall of an antenna chamber, and the connector furthermore has a tub groove on the outside that has a recess in a wall of a tub for receiving the circuit board Forms a form fit, the antenna chamber groove and the tub groove being arranged in opposite directions.
  • connection piece thus forms a seal both for the antenna chamber and for the tub in a single component.
  • the antenna is arranged in the antenna chamber.
  • the circuit board is arranged in the tub.
  • the connection piece On the outside, the connection piece has an antenna chamber groove which enables the connection piece to be inserted into a recess in the wall of the antenna chamber in a sealing manner. Further the connection piece has a tub groove on the outside which, rotated by 180 ° in orientation, enables the connection piece to be inserted into a recess in the wall of the tub.
  • the seal of the connection piece is particularly preferably dimensioned in such a way that the grooves of the connection piece form both a form fit and a frictional connection with the recess in the walls of the tub and the antenna chamber.
  • the motor vehicle door handle arrangement has a handle with such a module.
  • the handle preferably has a trough in which at least the circuit board rests, the trough having at least one recess in a wall for the passage of electrically conductive contact pins and the connecting piece sealing the trough in a positive and / or non-positive manner in the recess of the wall of the trough .
  • the handle can also have an electronics chamber in which the tub with the circuit board and the plug received therein is received.
  • the handle preferably has an antenna chamber in which the antenna carrier rests and which has at least one recess in a wall for the passage of electrically conductive contact pins, and the connector in the recess of the wall of the antenna chamber sealing the antenna chamber in a positive and / or non-positive manner.
  • the tub and the antenna chamber are each encapsulated with potting compound after the circuit board with the plug has been inserted into the tub and after the antenna carrier has been inserted into the antenna chamber.
  • the tub and antenna chamber can thus be filled with potting compound after the components and the seal have been inserted.
  • the pouring takes place one after the other.
  • the entire assembly is rotated once by 180 ° between the first potting process and the second potting process, since the orientation of the trough and antenna chamber is also offset by 180 °.
  • the connection piece which acts as a seal, the respective Component fixed in the installation space and secured against floating when potting with potting compound.
  • the antenna is fixed in the antenna chamber by means of the connection piece and secured against floating when potting with potting compound.
  • the circuit board is fixed in the antenna chamber by means of the connection piece and secured against floating when potting with potting compound.
  • the potting compound serves to protect against moisture and at the same time to dampen vibrations.
  • FIG. 1a contact pins 11, 12, 13 are shown, which are overmolded with plastic in a first manufacturing step.
  • the positive form 14 of the first plastic encapsulation of the contact pins 11, 12, 13 is shown in FIG Figure 1b shown.
  • the preliminary stage 15 of the connector is formed, as shown in FIG Figure 1c is shown.
  • Fig. 2 will this be in Fig. 2a illustrated preliminary stage 15 with the positive form 16 according to Figure 2b
  • plastic-coated to form the connection piece 10 according to FIG Figure 2c plastic-coated to form the connection piece 10 according to FIG Figure 2c .
  • the positive form 16 of the second plastic encapsulation has on the outside two grooves 17, 18 each spanning three outer sides.
  • the orientation of the two grooves 17, 18 each spanning three outer sides is opposite.
  • These grooves 17, 18 form sealing areas.
  • the outer section 16 forms seals, which cooperate with chambers in which electronic components of the motor vehicle door handle arrangement are located and seal these chambers. The assembly and functionality is explained below.
  • the contact pins 11, 12, 13 are used to couple the antenna and the sensor plate of the capacitive proximity sensor with the electronics of the motor vehicle door handle.
  • the contact pins 11, 12, 13 are encapsulated in two steps using different types of plastic.
  • a harder plastic is used.
  • a softer plastic is used which is suitable for serving as a sealing element and which is therefore more malleable than the plastic of the preliminary stage 15.
  • connection piece 10 is produced in a single plastic injection molding process using a plastic suitable as a sealing element.
  • the contact pins 11, 12, 13 are overmolded with the plastic suitable as a seal in a single plastic injection molding process.
  • Fig. 3 shows the antenna carrier 20 produced as a plastic injection-molded part, in which the ferromagnetic core 21 of the antenna is inserted.
  • the ferromagnetic core 21 lies in a form-fitting manner in the antenna carrier 20 and is for this purpose in the image plane according to FIG Fig. 3 inserted into the antenna support 20 from the right.
  • the ferromagnetic core 21 has grooves 22, 23 which are pushed over corresponding projections 24 on the inside of the antenna carrier 20.
  • the ferromagnetic core 21 rests in the antenna carrier 20 in a form-fitting manner.
  • the ferromagnetic core 21 is divided in the middle and thus designed in two parts.
  • the antenna carrier 20 has material recesses 25 which are aligned with the dividing line between the two parts of the ferromagnetic core 21.
  • the material weakening 25 of the antenna carrier 20 and the central division of the ferromagnetic core 21 creates a bending area which is used to allow slight deformations of the antenna carrier 20 as a result of an operation of the handle by a user, without this leading to damage to the ferromagnetic core 21.
  • Fig. 4 shows the application of the winding 26 to the antenna carrier 20 and the ferromagnetic core 21 lying in the antenna carrier 20.
  • Fig. 5 shows the assembly of the sensor plate 27 of the capacitive proximity sensor in the antenna carrier 20.
  • the sensor plate 27 is pushed against the direction of insertion of the ferromagnetic core 21 into a corresponding receptacle on the antenna carrier 20, as shown in FIG Fig. 5 is shown.
  • the antenna carrier 20 has a corresponding receiving area on its underside, in which the sensor plate 27 rests after it has been installed in the antenna carrier 20.
  • the sensor plate 27 and antenna carrier 20 have notches 28 for locking the sensor plate 27 to the antenna carrier 20 in a pre-assembly position.
  • This pre-assembly position according to Fig. 5 is used to assemble the connecting piece 10, in which the recess on the sensor sheet metal contact pin 13 of the connecting piece 10 is placed on the upwardly bent contact 29 of the sensor sheet 27, as shown in FIG Fig. 6 is shown.
  • the notches 28 are created in the illustrated embodiment by outside noses on the sensor plate 27, which in the preassembly position according to FIG Fig. 5 engage in corresponding recesses in the lateral guide for the sensor plate 27 on the antenna carrier 20. Since the antenna carrier 20 is made of a plastic injection molded part formed and accordingly has a reversible deformability, the sensor plate 27 can easily and without damage to the sensor plate 27 or the antenna carrier 20 from the pre-assembly position according to FIG Fig. 5 be pushed further towards its end position.
  • the notches can also be designed kinematically reversed, in that lugs on the lateral guide for the sensor plate 27 on the antenna carrier 20 engage in correspondingly positioned recesses on the side edges of the sensor plate 27 in the preassembly position of the sensor plate 27.
  • the sensor plate 27 with the connector 10 placed thereon is pushed into the antenna carrier 20 in its final position as shown in FIG Fig. 7 .
  • the antenna contact pins 11, 12 come into contact with the antenna.
  • Fig. 8 shows the soldering points circled. Accordingly, the contact pins 11, 12, 13 at the in Fig. 8 marked points soldered. This creates a permanent electrically conductive connection between the contact pins 11, 12, 13 and the antenna and the sensor plate 27.
  • a preassembled antenna assembly 50 is thus created from the antenna carrier 20 and the connection piece 10 attached to it and the further components described above.
  • Fig. 9 shows an alternative embodiment of the antenna support.
  • the alternative embodiment according to Fig. 9 are contact pins 11 ', 12', 13 'in a first plastic injection molding process with the in Fig. 9 shown positive form 14 'encapsulated.
  • the antenna carrier including the base of the connection piece is produced in one piece as a preliminary stage 15 'and made of the same material by encapsulating the contact pins 11', 12 ', 13' with plastic.
  • a second overmolding process then takes place with the positive mold 16 'with a softer plastic that is suitable as a seal.
  • the production of the antenna carrier 20 'formed in one piece as antenna carrier 20' with an integrated connection piece with the sealing element 16 ', its geometric design and function with regard to the externally arranged grooves 17', 18 'of the previously based on the Figures 1 to 8 illustrated embodiment corresponds.
  • the contact pins 11 ', 12', 13 ' can also be encapsulated in a single process with a plastic suitable as a sealing element.
  • Fig. 11 the assembly of the ferromagnetic core 21 in the antenna carrier 20 'is shown.
  • the winding 27 is then applied to the antenna carrier 20 ′ and the ferromagnetic core 21.
  • the antenna carrier 20 'again has material weakenings 25 for the formation of a bending area.
  • the ferromagnetic core 21 is also divided in the middle, so that the central division of the ferromagnetic core 21 and the recesses 25 in the antenna carrier 20 'are aligned.
  • the ferromagnetic core is formed in one piece.
  • Fig. 13 Then follows the insertion of the sensor plate 27 of the capacitive proximity sensor from below into the antenna carrier 20 '. In this case, it is inserted from below, since it is not possible to insert it from the front due to the one-piece design of the antenna carrier 20 'with the connector.
  • Fig. 14 again shows the soldering points for soldering the contact pins 11 ′, 12 ′, 13 ′ to the corresponding antenna contacts or to the contact 29 on the sensor plate 27.
  • the antenna of the antenna carrier assembly is used for remote control of the locking system by a user and for forwarding the corresponding radio signals to the electronics on the circuit board 40 according to FIG Figure 17 as explained below.
  • the sensor plate 27 of the capacitive proximity sensor is used to detect that a user is reaching behind the handle in order to activate the electronics of the motor vehicle door handle arrangement.
  • a connector is provided, which can be produced using the Figures 15 and 16 is explained.
  • the manufacturing process for manufacturing the plug 30 can be carried out in a single plastic injection molding process when the contact pins 31, 32 are overmolded.
  • the connector is made in one piece and made of the same material.
  • Fig. 17 shows the circuit board 40 of the motor vehicle door handle arrangement equipped with electronic components.
  • the populated circuit board 40 is used for processing and forwarding the signals from the antenna and from the sensor plate 27 and for coupling to the vehicle electronics via the connector 30.
  • Fig. 18 is the process of assembling the plug 30 by inserting it from below into the circuit board 40 and also assembling the preassembled Antenna assembly 50 is shown on circuit board 40.
  • the plug 30 is mounted by inserting it from below into the circuit board 40 in corresponding contact points.
  • the assembly is carried out by inserting the contact pins 31, 32 from below into corresponding through-holes in the circuit board 40.
  • the antenna assembly 50 is in turn inserted from the top into corresponding recesses in the circuit board 40.
  • the assembly is carried out by inserting the contact pins 11, 12, 13 of the antenna assembly 50 from above into corresponding through bores in the circuit board 40.
  • Fig. 19 shows the soldering points for connecting the contact pins 11, 12, 13, 31, 32 and the sheet metal 41 for locking on the circuit board 40.
  • the soldering points are shown in FIG Fig. 19 circled.
  • the soldering of all contact points on the circuit board 40 takes place from the top of the circuit board 40, as shown in FIG Fig. 19 is shown. This means that the soldering of the contact pins on the circuit board 40 takes place from the same side, although the plug 30 is inserted into the circuit board 40 from a different side than the antenna assembly 50 and the locking plate 41.
  • the module 60 thus comprises the antenna carrier 20, which accommodates the antenna with the ferromagnetic core and the coil as well as the sensor plate, the Connection piece 10, through which electrically conductive contact pins from the antenna and the sensor plate are guided to the circuit board 40 equipped with electronic components and connected to it, the circuit board 40 also being connected to the plug 30, which is used to produce the electrical contacts for the electronic assembly of the module 60 serves, and wherein the circuit board 40 is connected to electrical contact pins of the connector.
  • the circuit board 40 forms a load-bearing component of the module 60.
  • Fig. 20 shows the further assembly of the preassembled electronic assembly in the form of the module 60 with the insertion into the trough 70, which is used to hold the circuit board 40.
  • the trough 70 thus completely accommodates the circuit board 40 including the soldered contacts.
  • the tub 70 has corresponding positioning aids 71, 72 which form a form fit with corresponding recesses on the outer edges of the circuit board 40.
  • the module 60 is thus positioned by the positioning aids 71, 72 on the trough 70, which form a form fit with corresponding counterparts on the board 40.
  • the entire arrangement is fixed in that a nose 73 on the trough 70 engages behind an undercut 36 on the plug 30.
  • the positioning aids 71, 72 that form a form fit are formed by bulges on the inside of the trough 70 which engage in recesses on the outer edges of the board 40.
  • a reverse configuration is also possible, in which one or more lugs or projections on the outer edges of the board engage in corresponding recesses in the tub and thereby produce a form fit that serves as a positioning and assembly aid.
  • Fig. 21 the potting process of the trough 70 with the circuit board 40 inserted therein is shown.
  • this potting process the trough 70 with the board 40 embedded therein encapsulated with hardening potting compound.
  • This potting compound serves to protect the electronic components of the circuit board 40 in the trough 70 and forms both protection against moisture and, at the same time, a damping element against vibrations.
  • the tub 70 is sealed by means of the seal 16.
  • the tub 70 has a recess in which the seal 16 rests with the groove 17 in a form-fitting and force-fitting manner.
  • the wall of the trough 70 lies in the groove 17 of the seal 16 in a form-fitting manner.
  • a clamping effect is generated between the wall of the trough 70 and the seal 16.
  • the seal 16 is formed from a reversibly deformable plastic suitable as a seal.
  • the tub groove 17 of the seal 16 and the recess of the tub 70 are accordingly matched to one another. The tub groove 17 thus simultaneously forms a positioning aid when inserting the circuit board 40 of the electronic module 60 into the tub 70.
  • the clamping effect of the seal 16 in the recess of the wall of the tub 70 simultaneously secures and fixes the circuit board 40 against floating during the potting process.
  • the potting compound hardens after the potting process.
  • the potting compound forms a protection for the circuit board 40 and the soldered contacts against moisture.
  • the potting compound also acts as a damper against vibrations.
  • the electronic assembly 75 is created for further assembly in the handle of the motor vehicle door handle arrangement.
  • the assembly of the assembly 75 in the handle 80 of the motor vehicle door handle assembly is based on the Fig. 22 explained.
  • the preassembled assembly 75 with the trough 70 filled with potting compound and the plug 30 is oriented in the opposite direction to that in FIG Fig. 22 recognizably inserted into the handle 80.
  • the insertion takes place in such a way that the antenna assembly 50 rests in the antenna chamber 81 in the handle 80, while at the same time the tub 70 in the electronics chamber 83 rests in the handle 80.
  • the antenna chamber 81 in the handle 80 is also sealed by means of the seal 16.
  • the wall of the antenna chamber 81 has a recess 82 in which the seal 16 rests with the groove 18 in a form-fitting and force-fitting manner.
  • the seal 16 On the outside, the seal 16 has the second groove 18 serving as an antenna chamber groove.
  • the antenna chamber groove 18, like the tub groove 17, is designed as a circumferential groove on the outside of the seal 16. Since the orientation when the seal 16 is inserted into the trough 70 is opposite to the orientation when the seal 16 is inserted into the antenna chamber, the grooves 17, 18 of the seal 16 spanning three outer sides of the seal 16 are also arranged in opposite directions.
  • the wall of the antenna chamber 81 lies in the groove 18 of the seal 16 in a form-fitting manner. At the same time, a clamping effect is generated between the wall of the antenna chamber 81 and the seal 16.
  • the seal 16 is formed, as explained above, from a reversibly deformable plastic suitable as a seal.
  • the antenna chamber groove 18 of the seal 16 and the recess 82 of the antenna chamber 81 are accordingly matched to one another.
  • the antenna chamber groove 18 thus simultaneously forms a positioning aid when inserting the antenna assembly 50 of the electronics module 60 into the antenna chamber 81.By the clamping effect of the seal 16 in the recess 82 in the wall of the antenna chamber 81, the antenna assembly 50 is secured against floating during the potting process explained below and fixed.
  • the potting compound hardens after the potting process.
  • the antenna chamber 81 is potted with potting compound, as shown in FIG Fig. 23 is indicated. Since the trough 70 is now oriented the other way round, it is clear that the casting of the trough 70 and the antenna chamber 81 take place from opposite directions.
  • the potting of the antenna chamber 81 with potting compound in turn serves to protect the antenna assembly 50 from moisture and vibrations, since the potting compound hardens in the antenna chamber 81.
  • the potting compound thus forms a protection of the Antenna assembly 50 and the soldered contacts against moisture.
  • the potting compound also acts as a damper against vibrations.
  • a flexible pad 85 is then glued to the tub 70, as shown in FIG Fig. 24 is recognizable.
  • the pad 85 serves to seal against water and ensures the function of the capacitive sensor plate 41 for unlocking.
  • the pad 85 serves to dampen vibrations.
  • the outer shell 90 is mounted on the handle 80, as shown in FIG Fig. 25 is recognizable. Also in Fig. 25 The axis of rotation 101 can be seen around which the entire arrangement according to FIG Fig. 25 is rotatable when installed.
  • the complete handle arrangement 100 is mounted in a corresponding receptacle in the body of a motor vehicle. In the Fig. 25 The handle arrangement 100 shown is installed in a corresponding housing or directly in the motor vehicle body.
  • the axis of rotation 101 of the handle arrangement 100 is usually at the front in the direction of travel, so that the handle hook 102 at the rear end of the handle arrangement 100 can be pulled out to the outside of the motor vehicle and acts on the door lock via a corresponding coupling and enables the motor vehicle door to be opened when the door lock is unlocked.
  • the arrangement of the handle assembly 100 according to FIG Fig. 25 however, it is arbitrary. In particular, this can also be done the other way around on the motor vehicle or also vertically.
  • the outer shell 90 has a recess 91 through which a key is inserted in the Fig. 25 lock, not shown, can be inserted.
  • the door lock of the motor vehicle is in alignment behind the recess 91 of the outer shell 90.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Lock And Its Accessories (AREA)

Claims (14)

  1. Module (60) pour un agencement de poignée de portière de véhicule automobile, avec un support d'antenne (20) accueillant au moins une antenne avec un noyau ferromagnétique (21) et une bobine (26) enroulée autour du noyau (21), au moins une pièce de raccordement (10) à travers laquelle des broches de contact (11, 12, 13) électriquement conductrices sont guidées au moins depuis l'antenne vers une carte de circuit imprimé (40) équipée de composants électroniques et sont reliées à ladite carte de circuit imprimé, dans lequel la carte de circuit imprimé (40) est reliée à une fiche (30) qui est utilisée pour la production de contacts électriques pour un ou plusieurs capteur(s) et/ou ensemble(s) électronique(s) du module (60), et dans lequel la carte de circuit imprimé (40) est reliée à des broches de contact (31, 32) électriquement conductrices de la fiche (30), caractérisé en ce que la carte de circuit imprimé (40) forme un composant porteur du module (60).
  2. Module (60) selon la revendication 1, caractérisé en ce que la fiche (30) est produite par surmoulage plastique unique ou répété de broches de contact (31, 32) préfabriquées.
  3. Module (60) selon la revendication 1 ou 2, caractérisé en ce que la pièce de raccordement (10) est produite par surmoulage plastique unique ou répété de broches de contact (11, 12, 13) préfabriquées, en particulier en ce que la pièce de raccordement (10) et le support d'antenne (20) sont réalisés d'un seul tenant, en particulier avec une homogénéité de matériau.
  4. Module (60) selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce de raccordement (10) est produite par surmoulage plastique unique ou répété de broches de contact (11, 12, 13) préfabriquées, dans lequel une matière plastique formant un joint d'étanchéité flexible (16) est utilisée au moins lors de la dernière opération de moulage par injection de matière plastique.
  5. Module (60) selon l'une quelconque des revendications précédentes, caractérisé en ce que le support d'antenne (20) présente au moins une plaque de détection (27) d'un capteur de proximité capacitif, dont le contact électrique avec la carte de circuit imprimé (40) est produit grâce à au moins une broche de contact (13) agencée dans la pièce de raccordement (10).
  6. Module (60) selon l'une quelconque des revendications précédentes, caractérisé en ce que les broches de contact (31, 32) de la fiche (30) et les broches de contact (11, 12, 13) de l'antenne et/ou d'un capteur sont enfichées dans des alésages de réception de la carte de circuit imprimé (40) de différents côtés ou du même côté.
  7. Module (60) selon l'une quelconque des revendications précédentes, caractérisé en ce que les broches de contact (31, 32) de la fiche (30) et les broches de contact (11, 12, 13) de l'antenne et/ou d'un capteur sont soudées à des contacts de la carte de circuit imprimé (40) de différents côtés ou du même côté.
  8. Agencement de poignée de portière de véhicule automobile avec une poignée (80), caractérisé en ce que la poignée (80) présente un module (60) selon l'une quelconque des revendications précédentes.
  9. Agencement de poignée de portière de véhicule automobile selon la revendication 8, caractérisé en ce que la poignée (80) présente une coque (70) dans laquelle se trouve au moins la carte de circuit imprimé (40), dans lequel la coque (70) présente au moins un évidement dans une paroi en vue du passage de broches de contact (11, 12, 13) électriquement conductrices, et dans lequel la pièce de raccordement (10) se trouve dans l'évidement de la paroi de la coque (70) de manière à rendre étanche la coque (70) en se verrouillant par complémentarité de forme et/ou par complémentarité de force.
  10. Agencement de poignée de portière de véhicule automobile selon la revendication 8 ou 9, caractérisé en ce que la poignée (80) présente une chambre d'antenne (81) dans laquelle se trouve le support d'antenne (20) et qui présente au moins un évidement dans une paroi (82) en vue du passage de broches de contact (11, 12, 13) électriquement conductrices, et dans lequel la pièce de raccordement (10) se trouve dans l'évidement de la paroi (82) de la chambre d'antenne (81) de manière à rendre étanche la chambre d'antenne (81) en se verrouillant par complémentarité de forme et/ou par complémentarité de force.
  11. Agencement de poignée de portière de véhicule automobile selon l'une quelconque des revendications 8 à 10, caractérisé en ce que la poignée (80) présente une coque (70) permettant d'accueillir au moins la carte de circuit imprimé (40) et une chambre d'antenne (81) permettant d'accueillir au moins le support d'antenne (20), dans lequel la coque (70) est obturée avec une masse de coulée durcissable après l'insertion de la carte de circuit imprimé (40) et dans lequel la chambre d'antenne (81) est obturée avec une masse de coulée durcissable après l'insertion du support d'antenne (20).
  12. Agencement de poignée de portière de véhicule automobile selon l'une quelconque des revendications 8 à 11, caractérisé en ce que la poignée (80) présente une chambre d'antenne (81), dans lequel la pièce de raccordement (10) forme un joint d'étanchéité (16), se verrouillant par complémentarité de forme et/ou de force, de la chambre d'antenne (81) accueillant le support d'antenne (20).
  13. Agencement de poignée de portière de véhicule automobile selon l'une quelconque des revendications 8 à 12, caractérisé en ce que la poignée (80) présente une coque (70), dans lequel la pièce de raccordement (10) forme un joint d'étanchéité (16), se verrouillant par complémentarité de forme et/ou de force, de la coque (70) accueillant la carte de circuit imprimé (40).
  14. Agencement de poignée de portière de véhicule automobile selon l'une quelconque des revendications 8 à 13, caractérisé en ce que la poignée (80) présente une chambre d'antenne (81) et une coque (70), dans lequel la pièce de raccordement (10) présente extérieurement une rainure de chambre d'antenne (18) qui forme un verrouillage par complémentarité de forme avec un évidement présent dans une paroi (82) de la chambre d'antenne (81), et en ce que la pièce de raccordement (10) présente extérieurement une rainure de coque (17) qui forme un verrouillage par complémentarité de forme avec un évidement d'une paroi de la coque (70) permettant d'accueillir la carte de circuit imprimé (40), en particulier en ce que la rainure de chambre d'antenne (18) et la rainure de coque (17) sont agencées dans des directions opposées.
EP17739219.8A 2016-08-31 2017-07-04 Module électronique pour système de poignée de porte de véhicule automobile Active EP3507437B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016010494.5A DE102016010494A1 (de) 2016-08-31 2016-08-31 Elektronikmodul für eine Kraftfahrzeugtürgriffanordnung
PCT/EP2017/066626 WO2018041442A1 (fr) 2016-08-31 2017-07-04 Module électronique pour système de poignée de porte de véhicule automobile

Publications (2)

Publication Number Publication Date
EP3507437A1 EP3507437A1 (fr) 2019-07-10
EP3507437B1 true EP3507437B1 (fr) 2021-11-17

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Application Number Title Priority Date Filing Date
EP17739219.8A Active EP3507437B1 (fr) 2016-08-31 2017-07-04 Module électronique pour système de poignée de porte de véhicule automobile

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Country Link
US (1) US20190226248A1 (fr)
EP (1) EP3507437B1 (fr)
DE (1) DE102016010494A1 (fr)
WO (1) WO2018041442A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017130876A1 (de) * 2017-12-21 2019-06-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Fahrzeugtürgriff
DE102018113268A1 (de) * 2018-06-04 2019-12-05 Huf Hülsbeck & Fürst Gmbh & Co. Kg Türgriff und Fertigungsverfahren hierzu
DE102018113946A1 (de) * 2018-06-12 2019-12-12 HELLA GmbH & Co. KGaA Biegen von Leiterplatten

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013111490A1 (de) * 2013-10-18 2015-04-23 Huf Hülsbeck & Fürst Gmbh & Co. Kg Kraftfahrzeug-Außengriff

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Publication number Priority date Publication date Assignee Title
JP4754972B2 (ja) * 2006-01-19 2011-08-24 株式会社ユーシン ドアハンドル装置
DE102006004000A1 (de) * 2006-01-27 2007-08-09 Vogt Electronic Components Gmbh Biegsame Antenne und Verfahren zum Herstellen derselben
JP5022483B2 (ja) * 2010-07-26 2012-09-12 アイシン精機株式会社 車両用ドアハンドル装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013111490A1 (de) * 2013-10-18 2015-04-23 Huf Hülsbeck & Fürst Gmbh & Co. Kg Kraftfahrzeug-Außengriff

Also Published As

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WO2018041442A1 (fr) 2018-03-08
EP3507437A1 (fr) 2019-07-10
US20190226248A1 (en) 2019-07-25
DE102016010494A1 (de) 2018-03-01

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