DE102017218103A1 - Housing for a radar sensor and device for transmitting electrical energy by means of inductive coupling - Google Patents
Housing for a radar sensor and device for transmitting electrical energy by means of inductive coupling Download PDFInfo
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- DE102017218103A1 DE102017218103A1 DE102017218103.6A DE102017218103A DE102017218103A1 DE 102017218103 A1 DE102017218103 A1 DE 102017218103A1 DE 102017218103 A DE102017218103 A DE 102017218103A DE 102017218103 A1 DE102017218103 A1 DE 102017218103A1
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Images
Classifications
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- 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
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- 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
- G01S2013/9314—Parking operations
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Die Erfindung betrifft ein Gehäuse für einen Radarsensor (3, 7), dessen Gehäusewände (6a, 6b, 6c) aus Material mit für hochfrequente elektromagnetische Wellen dämpfenden Eigenschaften gebildet sind und die in zumindest zwei unterschiedlichen Raumrichtungen unterschiedliche Wanddicken aufweisen. Zumindest zwei solcher Radarsensorgehäuse können am Außenrand des Kopplungsbereichs einer Vorrichtung zur Übertragung elektrischer Energie mittels induktiver Kopplung und zur Erkennung von Körpern im Kopplungsbereich mittels Radarsensoren (3, 7), deren Ansprechempfindlichkeit für Körper außerhalb des Kopplungsbereichs wesentlich geringer ist als für Körper innerhalb des Kopplungsbereichs, angeordnet sein.The invention relates to a housing for a radar sensor (3, 7) whose housing walls (6a, 6b, 6c) are formed of material with properties damping high-frequency electromagnetic waves and which have different wall thicknesses in at least two different spatial directions. At least two such radar sensor housings may be at the outer edge of the coupling region of an apparatus for transmitting electrical energy by means of inductive coupling and for detecting bodies in the coupling region by means of radar sensors (3, 7), the responsiveness for bodies outside the coupling region is substantially lower than for bodies within the coupling region, be arranged.
Description
In Kraftfahrzeugen werden zunehmend Hochfrequenzsenderempfängerbauteile oder Radarsensoren eingesetzt, um beispielsweise eine Kommunikation für ein schlüsselloses Zugangssystem zu ermöglichen. Möglich ist auch deren Einsatz bei Abstandsmessgeräten, um beispielsweise den Abstand zu vorausfahrenden Fahrzeugen konstant zu halten oder bei Einparkhilfevorrichtungen. Solche Radarsensoren werden aber auch eingesetzt, um Objekte in einem zu überwachenden Bereich zu erkennen, beispielsweise eine Fußgeste, um den Kofferraumdeckel zu öffnen, aber auch um einen Spalt in einer Spulenanordnung zur induktiven Energieübertragung zum Laden von Batterien zu überwachen, um störende Objekte insbesondere lebende Objekte wie Katzen erkennen zu können.In motor vehicles, radio frequency transceiver components or radar sensors are increasingly being used to enable, for example, communication for a keyless entry system. Also possible is their use in distance measuring devices, for example, to keep the distance to vehicles in front constant or Einparkhilfevorrichtungen. Such radar sensors are also used to detect objects in an area to be monitored, such as a foot gesture to open the trunk lid, but also to monitor a gap in a coil assembly for inductive energy transfer for charging batteries to disturbing objects in particular living To recognize objects like cats.
Hierfür ist es jedoch nötig, die hochfrequente Strahlung auf den Bereich zu fokussieren, der tatsächlich überwacht werden soll und insbesondere die Detektionsempfindlichkeit in benachbarten Bereichen stark zu reduzieren, um Reaktionen, die durch die Detektion solcher Objekten eingeleitet bzw. ausgelöst werden, nicht unnötig hervorzurufen. Zwar soll beispielsweise das induktive Laden mit hoher Leistung unterbrochen werden, wenn sich ein Lebewesen im Spalt zwischen einer sendenden Bodenplatte und dem empfangenen Fahrzeug befindet, andererseits jedoch nicht abgeschaltet werden, wenn sich dieses Lebewesen nur in der Nähe vorbei bewegt.However, for this purpose it is necessary to focus the high-frequency radiation on the area which is actually to be monitored and, in particular, to greatly reduce the detection sensitivity in adjacent areas in order not to unnecessarily provoke reactions initiated or triggered by the detection of such objects. For example, high power inductive charging should be discontinued if a living being is in the gap between a transmitting floor panel and the received vehicle, but on the other hand will not be shut off if that living being moves past only nearby.
Eine richtungsabhängige Empfindlichkeit solcher HF- bzw. Radarsensoren kann beispielsweise durch Antennengruppen oder Phase-Array-Antennen oder aber auch mittel Reflektoren oder Direktoren oder spezieller Antennenbauformen erreicht werden. Denkbar sind auch Mischformen oben genannter Lösungen. Allerdings erfordern diese Lösungen kostenintensive Auslegungen der Antennen bzw. Sensoren oder der zusätzlichen Reflektoren bzw. Direktoren.A direction-dependent sensitivity of such RF or radar sensors can be achieved, for example, by antenna groups or phase-array antennas or else by means of reflectors or directors or special antenna designs. Also conceivable are mixed forms of the abovementioned solutions. However, these solutions require costly designs of the antennas or sensors or the additional reflectors or directors.
Die
Hierdurch kann allerdings Schmutz in das Gehäuse eindringen und die Antenne oder weitere elektronische Bauteile in ihrer Funktion beeinträchtigen.As a result, however, dirt can penetrate into the housing and affect the function of the antenna or other electronic components.
In einer Weiterbildung schlägt die
Es ist daher die Aufgabe der Erfindung, diese Nachteile zu vermeiden.It is therefore the object of the invention to avoid these disadvantages.
Die Aufgabe wird gelöst durch ein Gehäuse für einen Radarsensor gemäß Anspruch 1. Vorteilhafte Weiterbildungen sind in den Unteransprüchen angegeben.The object is achieved by a housing for a radar sensor according to
Demnach sind bei einem Gehäuse für einen Radarsensor die Gehäusewände aus Material mit für hochfrequente elektromagnetische Wellen dämpfenden Eigenschaften gebildet, wobei in erfindungsgemäßer Weise die Gehäusewände in zumindest zwei unterschiedlichen Raumrichtungen unterschiedliche Wanddicken aufweisen.Accordingly, in a housing for a radar sensor, the housing walls are formed of material with properties damping for high-frequency electromagnetic waves, wherein the housing walls have different wall thicknesses in at least two different spatial directions in accordance with the invention.
Hierdurch ist es auf besonders einfache Weise möglich, in einem Fertigungsschritt ein Gehäuse herzustellen, das die gewünschte Richtungscharakteristik hat, wobei die unterschiedlichen Wanddicken stufenlos ineinander übergehen können.This makes it possible in a particularly simple manner to produce a housing in a manufacturing step, which has the desired directional characteristic, the different wall thicknesses can merge seamlessly into each other.
In einer Weiterbildung des erfindungsgemäßen Gehäuses können die Wanddicken auch mit unterschiedlichen Materialien gebildet sein, die unterschiedliche Dämpfungswerte für hochfrequente elektromagnetische Strahlung haben.In a development of the housing according to the invention, the wall thicknesses can also be formed with different materials which have different attenuation values for high-frequency electromagnetic radiation.
In einer Ausbildung der Erfindung hat das Gehäuse eine im Wesentlichen kreissektorförmige Grundfläche, bei der die Kreisradien einen rechten Winkel bilden und dessen an dem Kreisbogen befindliche Gehäusewand eine geringere Dämpfung aufweist als die an den Kreisradien befindlichen Gehäusewände.In one embodiment of the invention, the housing has a substantially circular sector-shaped base surface in which the circular radii form a right angle and the housing wall located on the circular arc has a lower attenuation than the housing walls located at the circular radii.
Hierdurch kann durch eine im Gehäuse angeordnete Hochfrequenzantenne vor allem in einem Raumbereich abgestrahlt werden, der durch die beiden etwa rechtwinklig zueinander angeordneten Kreisradiengehäusewände begrenzt wird.This can be radiated by a high-frequency antenna arranged in the housing, especially in a spatial region which is bounded by the two approximately perpendicular to each other arranged Kreisradiengehäusewände.
Eine vorteilhafte Anwendung des erfindungsgemäßen Gehäuses ist durch eine Vorrichtung zur Übertragung elektrischer Energie mittels induktiver Kopplung und zur Erkennung von Körpern im Kopplungsbereich mittels Radarsensoren gegeben, wobei die Ansprechempfindlichkeit der Radarsensoren für Körper außerhalb des Kopplungsbereichs wesentlich geringer ist und bei der am Außenrand des Kopplungsbereichs zumindest zwei Radarsensorgehäuse gemäß der Ansprüche 1 bis 3 angeordnet sind.An advantageous application of the housing according to the invention is by a device for transmitting electrical energy by means of inductive coupling and for the detection of bodies in Given coupling region by means of radar sensors, wherein the responsiveness of the radar sensors for bodies outside the coupling region is substantially lower and in which at least two radar sensor housing according to the
Durch die zumindest zwei Radarsensoren in erfindungsgemäßen Gehäusen kann der sich zwischen diesen Radarsensorgehäusen befindliche Raum gut überwacht werden, ohne dass störende Objekte außerhalb dieses Bereichs die Empfindlichkeit des Radarsensors negativ beeinflussen. Besonders vorteilhaft ist eine etwa quadratische Vorrichtung an deren vier Ecken jeweils ein erfindungsgemäßer Radarsensor in einem erfindungsgemäßen Gehäuse angeordnet ist.As a result of the at least two radar sensors in housings according to the invention, the space located between these radar sensor housings can be well monitored without disturbing objects outside this range adversely affecting the sensitivity of the radar sensor. Particularly advantageous is an approximately square device at the four corners of each an inventive radar sensor is arranged in a housing according to the invention.
Die Erfindung soll nachfolgend anhand eines Ausführungsbeispiels mit Hilfe von Figuren näher erläutert werden. Dabei zeigen
-
1 eine perspektivische Ansicht eines Ausführungsbeispiels eines erfindungsgemäßen Radarsensorgehäuses im geöffneten Zustand, -
2 eine Schnittdarstellung, die einen Querschnitt von oben auf das Gehäuse zeigt und -
3 eine Schnittdarstellung, die einen Querschnitt von der Seite zeigt.
-
1 a perspective view of an embodiment of a radar sensor housing according to the invention in the open state, -
2 a sectional view showing a cross section of the top of the housing and -
3 a sectional view showing a cross section of the page.
Das erfindungsgemäße Gehäuse für einen Radarsensor ist mit einer Bodenplatte
Auf dem Sockel
Als Material für das Gehäuse können karbonisierte Kunststoffe und/oder Hartschäume verwendet werden. Wie aus dem Grundriss der Bodenplatte
Die Hochfrequenzantenne
Bei anderen Spulensystemen z.B. Doppel D wäre auch ein zentraler Sensor auf der Bodenplatten-Mitte möglich.In other coil systems, e.g. Double D would also be a central sensor on the bottom plate center possible.
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 19707585 A1 [0004]DE 19707585 A1 [0004]
- DE 102015222058 A1 [0006]DE 102015222058 A1 [0006]
Claims (5)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017218103.6A DE102017218103A1 (en) | 2017-10-11 | 2017-10-11 | Housing for a radar sensor and device for transmitting electrical energy by means of inductive coupling |
PCT/EP2018/076516 WO2019072599A1 (en) | 2017-10-11 | 2018-09-28 | Housing for a radar sensor and device for transmitting electrical energy by means of inductive coupling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017218103.6A DE102017218103A1 (en) | 2017-10-11 | 2017-10-11 | Housing for a radar sensor and device for transmitting electrical energy by means of inductive coupling |
Publications (1)
Publication Number | Publication Date |
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DE102017218103A1 true DE102017218103A1 (en) | 2019-04-11 |
Family
ID=63713900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102017218103.6A Granted DE102017218103A1 (en) | 2017-10-11 | 2017-10-11 | Housing for a radar sensor and device for transmitting electrical energy by means of inductive coupling |
Country Status (2)
Country | Link |
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DE (1) | DE102017218103A1 (en) |
WO (1) | WO2019072599A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19707585A1 (en) | 1997-02-26 | 1998-09-03 | Bosch Gmbh Robert | Housing with radar absorbing properties |
US20040227663A1 (en) * | 2003-03-24 | 2004-11-18 | Mitsushige Suzuki | Millimeter wave-radar and method for manufacturing the same |
DE102015222058A1 (en) | 2015-11-10 | 2017-05-11 | Robert Bosch Gmbh | Housing for radar sensor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6171277B2 (en) * | 2012-07-13 | 2017-08-02 | 株式会社デンソー | Radar equipment |
US10012725B2 (en) * | 2014-12-19 | 2018-07-03 | Qualcomm Incorporated | Systems, methods, and apparatus for living object protection having extended functionality in wireless power transfer applications |
JP6487208B2 (en) * | 2014-12-26 | 2019-03-20 | 株式会社Soken | Radar device and cover member |
EP3264530B1 (en) * | 2015-02-27 | 2022-02-09 | Furukawa Electric Co., Ltd. | Antenna apparatus |
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2017
- 2017-10-11 DE DE102017218103.6A patent/DE102017218103A1/en active Granted
-
2018
- 2018-09-28 WO PCT/EP2018/076516 patent/WO2019072599A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19707585A1 (en) | 1997-02-26 | 1998-09-03 | Bosch Gmbh Robert | Housing with radar absorbing properties |
US20040227663A1 (en) * | 2003-03-24 | 2004-11-18 | Mitsushige Suzuki | Millimeter wave-radar and method for manufacturing the same |
DE102015222058A1 (en) | 2015-11-10 | 2017-05-11 | Robert Bosch Gmbh | Housing for radar sensor |
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WO2019072599A1 (en) | 2019-04-18 |
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Owner name: VITESCO TECHNOLOGIES GMBH, DE Free format text: FORMER OWNER: CONTINENTAL AUTOMOTIVE GMBH, 30165 HANNOVER, DE |
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R081 | Change of applicant/patentee |
Owner name: VITESCO TECHNOLOGIES GMBH, DE Free format text: FORMER OWNER: VITESCO TECHNOLOGIES GMBH, 30165 HANNOVER, DE |
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R016 | Response to examination communication | ||
R018 | Grant decision by examination section/examining division |