WO2015173115A1 - Support optique, procédé de réalisation d'un support optique, dispositif de réalisation d'un support optique et module radar - Google Patents

Support optique, procédé de réalisation d'un support optique, dispositif de réalisation d'un support optique et module radar Download PDF

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Publication number
WO2015173115A1
WO2015173115A1 PCT/EP2015/060072 EP2015060072W WO2015173115A1 WO 2015173115 A1 WO2015173115 A1 WO 2015173115A1 EP 2015060072 W EP2015060072 W EP 2015060072W WO 2015173115 A1 WO2015173115 A1 WO 2015173115A1
Authority
WO
WIPO (PCT)
Prior art keywords
semifinished product
radar sensor
fabric
carrier
optical carrier
Prior art date
Application number
PCT/EP2015/060072
Other languages
German (de)
English (en)
Inventor
Stephan Geise
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2015173115A1 publication Critical patent/WO2015173115A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14786—Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C2045/0093—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of articles provided with an attaching element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14122—Positioning or centering articles in the mould using fixed mould wall projections for centering the insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14147—Positioning or centering articles in the mould using pins or needles penetrating through the insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness

Definitions

  • Optics carrier method for producing an optics carrier, apparatus for producing an optics carrier and radar module
  • the invention relates to an optical carrier for attaching and aligning a radar sensor on a motor vehicle.
  • the invention further relates to a method for producing an optical carrier.
  • the invention also relates to a device for producing an optical carrier.
  • the invention also relates to a radar module for a motor vehicle.
  • a module cover of the radar module is integrated into a radiator grille, through which the radar beams of a radar sensor of the radar module can pass.
  • Radar module housings are manufactured by means of die-cast aluminum and each have a thermoplastic cap on one of the front and rear sides for sealing against dirt and moisture.
  • the radar module housing is fastened to sheet metal carriers, which are in turn screwed to the body of the motor vehicle, in front of the radiator of the motor vehicle.
  • the carriers cover a large area where the air can not flow to the cooler.
  • DE 20 2006 015 996 Ul discloses a motor vehicle radar system with a radar sensor, wherein the radar sensor is connectable by means of a holding frame with a motor vehicle, wherein between the radar sensor and the Holding frame an intermediate frame is arranged with which the radar sensor is firmly connected.
  • the radar module cover and the radar module are thus fastened independently of each other, and any misalignments or displacements of the radar sensor can cause the radar sensor to malfunction.
  • the present invention provides an optical carrier for mounting and
  • a radar sensor on a motor vehicle, which is formed by a trough-shaped, overmolded with a plastic semifinished product, wherein the optics carrier integrally formed means for attaching and aligning the radar sensor, wherein the optics carrier is attachable to a cover provided on the motor vehicle to form a radar module housing.
  • the present invention further provides a method of making an optics carrier for mounting and aligning a radar sensor on a motor vehicle.
  • the method comprises arranging a semifinished product in an injection mold of an injection molding machine, fixing the semifinished product in the
  • An injection mold an inserting means for attaching and aligning the radar sensor on an ejector of the injection mold and injecting a thermosetting or thermoplastic resin for encapsulating the semifinished product and the means for attaching and aligning the radar sensor for forming a trough-shaped optical support with integrally formed means for fastening and alignment of the radar sensor.
  • the present invention further provides an apparatus for producing an optics carrier for attaching and aligning a radar sensor on a motor vehicle with an injection molding machine, which is a thermoset
  • the present invention further provides a radar module for
  • the radar module has an optical carrier for fastening and Aligning a radar sensor on a motor vehicle, one in the
  • Optics carrier mounted radar sensor and provided on the motor vehicle cover cap, wherein the optical carrier is attached to the cap for forming a Radarmodulgephaseuses.
  • An idea of the present invention is to provide a compact, inexpensive and lightweight optical carrier for optimum positioning of the radar sensor behind a radar module cover, a method for producing the optical carrier, an apparatus for producing the optical carrier and a radar module.
  • the optics carrier is also at high temperatures and
  • the optimized optics carrier can save material and process steps and thus also reduce the production time.
  • the optical carrier connects the radar sensor directly to a cap or radar module cover.
  • the optics carrier can thus before installation in the
  • the compact radar module only covers a small area in front of the radiator.
  • a semifinished product in the form of an organic sheet of optics carrier is very dimensionally stable even at high temperatures and shocks and holds tight form and position tolerance fields.
  • a rear cap and means for attaching and aligning the radar sensor is integrated, so that only one front
  • the semi-finished product in the form of a die-cut to fabric or metal mesh web, is led by roll-to-roll through the injection mold and cut with a punching device to the predetermined contour.
  • a preformed Organoblech ins
  • the means for attaching and aligning the radar sensor are arranged by arranged on an inner wall of the optics carrier, aligned parallel to a longitudinal axis of the motor vehicle Anschraubdomen, said Anschraubdome threaded inserts, which are adapted to a Radarsensorgephaseuse by threaded screws with the optics carrier to screw.
  • the threaded bushes are used advantageously as mounting points for the installation of the radar sensor
  • the threaded bushings also have in the case of using the formed of a fabric or grid sheet semifinished object to keep the fabric or grid web during injection of the plastic centrally in the cavity of the injection mold.
  • the semifinished product by a fabric, in particular a canvas fabric or
  • Body tissue or a grid of glass, carbon, or aramid fibers or a mixed form of these fibers or by a metal mesh fabric made of aluminum or steel is formed.
  • the material for forming the semifinished product can thus be selected in an advantageous manner according to respective requirements of the optics carrier.
  • the plastic is formed by a thermosetting plastic, in particular by an epoxy resin, a phenol molding compound or a bulk molding compound, which is filled with 20 to 50 percent warm conductive solid particles of boron nitride, aluminum and / or magnesium hydroxide , Because the bulk
  • Molding Compound (BMC) is the cheapest, this plastic for use for encapsulating the semifinished product for forming the
  • Optics wearer favors.
  • the optics carrier can efficiently dissipate heat from a board area of the radar sensor.
  • the semifinished product is formed by an organic sheet, which is one with a thermoplastic,
  • the material for forming the organic sheet can thus be selected in an advantageous manner according to respective requirements of the optical carrier.
  • thermoplastic in particular by a polyamide or
  • Polybutylene terephthalate is formed, which with thermally conductive
  • Solid particles of boron nitride, aluminum and / or magnesium hydroxide is filled.
  • the proportion of thermally conductive solid particles is advantageously lower than when using a Duroplastbuchs, so as to achieve good flow properties of the plastic, for example, to be able to fill even thin walls.
  • the metal mesh fabric has a wire thickness of 0.3 to 0.5 millimeters and square passages of 1 millimeter 2 to 4 millimeters 2 .
  • the optics carrier can thus be effectively stabilized.
  • Phenolformtress or a bulk molding compound is performed, which with 20 to 50 percent heat conductive solid particles of boron nitride,
  • the optics carrier can efficiently remove heat from a board area of the board
  • thermoplastic material in particular a polyamide or polybutylene terephthalate
  • thermally conductive solid particles of boron nitride, aluminum and / or magnesium hydroxide are filled with thermally conductive solid particles of boron nitride, aluminum and / or magnesium hydroxide.
  • Solid particles is advantageously lower than when using a Duroplastbuchs, so as to achieve good flow properties of the plastic, for example, to be able to fill even thin walls.
  • the semifinished product is formed by a fabric or grid web, wherein a predetermined contour is cut out of the semifinished product by means of a punching device integrated in the injection molding tool.
  • Fabric or metal mesh panels can be saved by reducing material, process steps and thus manufacturing time, resulting in a low component price.
  • the semifinished product formed from a fabric or grid web is guided from roll to roll through the injection mold of the injection molding machine, wherein the semifinished product formed from the fabric or grid web has punched holes at predetermined positions, which are designed for this purpose , the optics carrier by fastening means with the cap provided on the motor vehicle connect.
  • the optics carrier can thus be connected directly to the cap. This creates a compact and lightweight radar module unit that is completely interchangeable and does not need to be readjusted for misalignment or displacement.
  • the fixing of the formed from the fabric or grid sheet semifinished product in the injection mold is performed by receiving the punch holes by stamping the injection mold when closing the injection mold.
  • the formed in the fabric or grid sheet punched holes which are adapted to connect the optics carrier by fastening means with the cap provided on the motor vehicle, can thus also advantageously for fixing the fabric or grid web in
  • Injection mold can be used.
  • stamped and preformed organo sheet is formed, wherein the semifinished product is arranged on punches of the injection mold, wherein the punches record the punching holes of the semifinished product when closing the injection mold.
  • the formed in the organic sheet punching holes which are adapted to the optics carrier by fastening means with the on
  • Injection mold can be used.
  • Embodiments of the invention mediate. They illustrate
  • Fig. 1 is a sectional view of an optical carrier according to the invention in one
  • Fig. 2a is a perspective view of a linen fabric of a
  • 2b is a sectional view of the linen fabric of the semifinished product according to the first and second embodiments of the invention
  • 3a is a perspective view of a body tissue of the semifinished product according to the first and second embodiments of the invention
  • 3b is a sectional view of the body tissue of the semifinished product according to the first and second embodiments of the invention.
  • FIG. 4 is a perspective view of the optical carrier according to the invention according to the first and second embodiments of the invention.
  • Fig. 5 is a sectional view of a radar module according to the invention according to the first and second embodiments of the invention; 6 is a sectional view of the optical carrier according to the invention in the injection mold according to the second embodiment of the invention; and
  • Optics carrier according to the first and second embodiments of the invention.
  • Fig. 1 shows a sectional view of an optical carrier according to the invention in an injection mold according to a first embodiment of the invention.
  • the optical carrier 10 is formed by a semifinished product 16 encased in a thermosetting plastic 14.
  • Optics carrier 10 further includes molded-on means 18 for attaching and aligning a radar sensor (not shown in FIG. 1).
  • the means 18 for attaching and aligning the radar sensor are formed by arranged on an inner wall 10a of the optics carrier 10, aligned parallel to a longitudinal axis of the motor vehicle Anschraubdomen 11.
  • the means 18 for fixing and aligning the radar sensor may also be arranged through an inner wall 10a of the optics carrier 10, parallel to another axis of the
  • Motor vehicle aligned Anschraubdomen 11 may be formed.
  • the Anschraubdome 11 have respective threaded bushes IIa, IIb, 11c, lld.
  • the threaded bushes IIa, IIb, 11c, lld are adapted to a (not shown in Fig. 1) radar sensor housing by threaded screws with the
  • the optical carrier 10 has punched holes 15 at respective end portions.
  • the punched holes 15 are adapted to the optical carrier 10 by (not shown in Fig. 1) fastening means provided with the motor vehicle Cover cap to connect.
  • the injection molding tool 22, in particular a sprue side 22b of the injection molding tool 22, has respective punches 25 which receive the punched holes 15 when the injection molding tool 22 is closed.
  • the semifinished product 16 can be fixed before or during the injection of the plastic into a cavity of the injection molding tool 22.
  • the injection molding tool 22 has a pressure sensor 27 for measuring an injection pressure, an ejector 26 for ejecting the finished optical carrier 10, and a punching device 24 for cutting out a predetermined contour from the fabric or fabric web
  • thermosetting plastic is pressure-controlled injected with an internal mold pressure between 50 to 100 bar in the cavity of the injection mold. It will be from a
  • the plastic is preferably a bulk molding compound with 20 to
  • the plastic may also be formed by an epoxy resin or a phenolic compound.
  • the thermally conductive solid particles are preferably formed from boron nitride.
  • Magnesium hydroxide or a combination of the aforementioned substances can be used.
  • the punching device 24 is driven by hydraulic core pulls.
  • the punching device 24 is arranged in the injection molding tool 22 and is movable in such a way that it can cut out a predetermined contour from the semifinished product formed by a woven or grid web.
  • Fig. 2a shows a perspective view of a linen fabric of a
  • Fig. 2b shows a sectional view of the canvas fabric of the semifinished product according to the first and second embodiments of the invention.
  • the linen fabric has a fabric in which a first
  • the linen fabric is preferably made of glass fibers.
  • the canvas fabric can also be made of carbon or aramid fibers or a mixed form of these fibers or by a metal mesh fabric made of aluminum or steel.
  • FIG 3a shows a perspective view of a body tissue of the semifinished product according to the first and second embodiment of the invention.
  • Fig. 3b shows a sectional view of the body tissue of the first and second embodiments of the invention.
  • the body tissue has a tissue in which a first tissue layer is guided above and below two layers of a second tissue layer.
  • the body tissue is preferably made of glass fibers.
  • the body tissue can also be made of carbon or aramid fibers or a mixed form of these fibers or by a metal mesh fabric made of aluminum or steel.
  • Fig. 4 shows a perspective view of the optical carrier according to the invention according to the first and second embodiments of the invention.
  • the optical carrier 10 has in a central or central area the
  • Anchubdome 11 for attaching and aligning the (not shown in Fig. 4) radar sensor.
  • the Anschraubdome 11 have respective
  • Threaded bushes IIa, IIb, 11c, lld which are adapted to screw a (not shown in Fig. 4) radar sensor housing by threaded screws with the optical carrier 10.
  • the optical carrier 10 also has the
  • the optical carrier 10 further has respective ones
  • FIG. 5 shows a sectional view of a radar module according to the invention according to the first and second embodiments of the invention.
  • the radar module 1 has the optical carrier 10 for attaching and aligning the radar sensor 12 on a motor vehicle.
  • the radar module 1 further comprises a fixed in the optical carrier 10 and parallel to a
  • optical carrier 10 is connected to the cap 20.
  • the optical carrier 10 is through
  • Attachment 21 connected to the cap 20.
  • the radar sensor 12 is fastened and aligned by the Anschraubdome 11 of the optical carrier 10 to the optical carrier 10.
  • the attachment of the radar sensor 12 on the optical carrier 10 by means of screwing the radar sensor housing 12a by means
  • Fig. 6 shows a sectional view of the optical carrier according to the invention in the injection mold according to the second embodiment of the invention.
  • the optical carrier 10 is formed according to the second embodiment by a semi-finished product 116 in the form of an over-coated thermoplastic sheet 114 with an organic sheet.
  • the optical carrier 10 has molded-on means 118 for fastening and aligning the radar sensor (not shown in FIG. 7).
  • Aligning the radar sensor are through by an inner wall 10 a of
  • Optics carrier 10 arranged, aligned parallel to a longitudinal axis of the motor vehicle Anschraubdomen 11 is formed.
  • the Anschraubdome 11 have respective threaded bushes IIa, IIb, 11c, lld.
  • the threaded bushings IIa, IIb, 11c, 11d are adapted to a (not shown in FIG. 7)
  • the optical carrier 10 has punched holes 15 at respective end portions.
  • the punched holes 15 are adapted to the optical carrier 10 by (not shown in Fig. 7) fastening means provided with the motor vehicle Cover cap to connect.
  • the injection mold 122 in particular a sprue side 22b of the injection mold 122, has respective punches 25 which receive the punched holes 15 when the injection mold 122 is closed.
  • the semifinished product 116 can be fixed before or during the injection of the plastic into a cavity of the injection molding tool 122.
  • the injection molding tool 122 further includes a pressure sensor 27 for measuring an injection pressure and an ejector 26 for ejecting the fabricated optical carrier 10.
  • a pressure sensor 27 for measuring an injection pressure
  • an ejector 26 for ejecting the fabricated optical carrier 10.
  • a thermoplastic material is pressure-controlled injected with an internal mold pressure between 50 to 100 bar in the cavity of the injection mold 122.
  • the semifinished product 116 formed from a fabric or grid web is extrusion-coated and at the same time a module sealing frame 29 with the screw-on domes 11 is formed.
  • thermoplastic material with which the organic sheet is injected is formed by a polyamide.
  • thermoplastic resin poly(ethylene glycol)
  • Plastic also be formed by a polybutylene terephthalate.
  • the thermoplastic material is filled with thermally conductive solid particles of boron nitride.
  • the thermoplastic material with heat-conductive solid particles of aluminum and / or
  • FIG. 7 shows a flowchart of a method for producing the
  • Optics carrier according to the first embodiment of the invention.
  • the method for producing an optical carrier for attaching and aligning a radar sensor to a motor vehicle comprises arranging S1 a semifinished product 16; 1 16 in an injection mold 22; 122 one
  • the semifinished product is through a fabric or grid web or by a
  • Organo sheet formed In the case of using the formed from the fabric or grid sheet semifinished product 16, the semi-finished product 16 is guided from roll to roll by the injection mold 22 of the injection molding machine, wherein the formed from the fabric or grid sheet semifinished product 16 at
  • Injection mold 22 performed.
  • Punched screw holes The fabric or grid webs are guided by the injection mold 22 and received and fixed during closing of the punches 25 for the Anschraubbohronne.
  • four threaded bushes IIa, IIb, 11c, Lld are placed on the ejector 22a of the injection mold 22, which are later encapsulated and in the subsequent mounting screw-on points for a radar sensor housing 12a of the radar sensor 12.
  • the threaded bushes IIa, IIb, 11c, lld also have the task to keep the fabric or grid web during injection of the plastic 14 centrally in the cavity.
  • a punching device 24 driven by hydraulic core pulls, advances and cuts out a predetermined contour from the fabric and grid webs.
  • thermosetting plastic 14 is pressure-controlled with an internal mold pressure between 50 and 100 bar injected into the cavity.
  • the fabric or grid web is encapsulated and at the same time the Modulabdichtrahmen 29 formed with the Anschraubdomen.
  • thermosetting plastic 14 in particular an epoxy resin, a phenol molding compound or a bulk molding compound, which is filled with 20 to 50 percent heat conductive solid particles of boron nitride.
  • the plastic with aluminum and / or
  • the injection mold is opened and the complete optics carrier removed from the injection mold.
  • the radar sensor housing 12 a can be screwed against the module sealing frame 29 at the four screw-on points and the covering cap 20 can be connected to the optical carrier 10.
  • the semifinished product 116 is formed by a punched-out and preformed one
  • the semifinished product 116 is closed by the punches 25 for the
  • Screw holes drilled and fixed.
  • Injection mold 22 four threaded bushings IIa, IIb, 11c, Lld are placed on the ejector 22a of the injection mold 22, which are later encapsulated and in the subsequent assembly screw-on points for a radar sensor housing 12a of the radar sensor 12.
  • the threaded bushes IIa, IIb, 11c, lld also have the task to keep the fabric or grid web in the cavity during injection of the plastic material 114.
  • thermoplastic material 14 is pressure-controlled injected with an internal mold pressure between 50 and 100 bar in the cavity.
  • the fabric or grid web is encapsulated and at the same time the Modulabdichtrahmen 29 formed with the Anschraubdomen.
  • the injection S5 of the plastic 1 14 for encapsulation of the semifinished product 1 16 is carried out by means of a thermoplastic material 114, in particular a polyamide or polybutylene terephthalate, which with
  • thermally conductive solid particles of boron nitride is filled.
  • the plastic may also be filled with aluminum and / or magnesium hydroxide.
  • the injection mold is opened and the complete optics carrier removed from the injection mold.
  • the radar sensor housing 12 a can be screwed against the module sealing frame 29 at the four screw-on points and the covering cap 20 can be connected to the optical carrier 10.
  • the semi-finished products can be used for the production of the optical carrier 10.
  • the semi-finished products can also be overmolded with another suitable plastic material.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un support optique pour fixer et orienter un détecteur radar (12) sur un véhicule à moteur, qui se présente sous la forme d'un produit semi-fini (16; 116) en forme de cuvette, extrudé avec une matière plastique, le support optique (10) présentant des éléments surmoulés (18; 118) pour fixer et orienter le détecteur radar (12), le support optique (10) pouvant être mis en place sur un volet de fermeture (20) présent sur le véhicule à moteur afin de former un boîtier de module de radar (5). L'invention concerne par ailleurs un procédé pour réaliser un support optique, un dispositif pour réaliser un support optique (10) et un module radar (1).
PCT/EP2015/060072 2014-05-16 2015-05-07 Support optique, procédé de réalisation d'un support optique, dispositif de réalisation d'un support optique et module radar WO2015173115A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014209345.7 2014-05-16
DE102014209345.7A DE102014209345A1 (de) 2014-05-16 2014-05-16 Optikträger, Verfahren zur Herstellung eines Optikträgers, Vorrichtung zur Herstellung eines Optikträgers und Radarmodul

Publications (1)

Publication Number Publication Date
WO2015173115A1 true WO2015173115A1 (fr) 2015-11-19

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WO (1) WO2015173115A1 (fr)

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