WO2001003243A1 - Ensemble avec antenne - Google Patents

Ensemble avec antenne Download PDF

Info

Publication number
WO2001003243A1
WO2001003243A1 PCT/DE2000/001763 DE0001763W WO0103243A1 WO 2001003243 A1 WO2001003243 A1 WO 2001003243A1 DE 0001763 W DE0001763 W DE 0001763W WO 0103243 A1 WO0103243 A1 WO 0103243A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
antenna
housing
module according
assembly
Prior art date
Application number
PCT/DE2000/001763
Other languages
German (de)
English (en)
Inventor
Patric Heide
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2001003243A1 publication Critical patent/WO2001003243A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • 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
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
    • H01Q9/0457—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line

Definitions

  • the invention relates to a module with an antenna, comprising an electronic circuit, a housing enclosing the circuit and the antenna which is operatively connected to the circuit.
  • This known assembly is designed in the context of a first example as a "Doppler radar module” and is used in a radar device for determining a distance and a speed of an object moving relative to the radar device.
  • the assembly is designed as a "communication module” and is used for data transmission.
  • the conventional stripline technology comes into consideration, which provides a double-sided conductive coated circuit board, one side of which serves as a ground plane and largely remains without structuring, and the other side of which is structured according to the circuit to be set up with striplines of defined impedance, the striplines being connected to one another with discrete electronic components can be.
  • coplanar technology which only requires the use of a circuit board with a conductive coating on one side, and according to which strip conductors and ground areas are provided on a single side of the circuit board.
  • a circuit in strip line technology provided for data transmission or sensor technology in the broadest sense i.e. a circuit which is provided for transmitting and / or receiving an electromagnetic radio signal
  • a coupling structure which, instead of an electrically conductive connection, couples an antenna to the antenna Switching via an electromagnetic field enables.
  • Such a coupling structure can be designed as a slot in a ground surface of a printed circuit board in the context of conventional stripline technology.
  • a coupling structure differs from an antenna in the actual sense in that it allows a signal to be transmitted only over a relatively small distance, the length of which is generally limited to a few millimeters, as a rule only between defined substructures.
  • an antenna which allows transmission of a radio signal over an essentially arbitrarily large distance can also be implemented using stripline technology.
  • the circuit and antenna of a module are accommodated on two mutually different printed circuit boards, and these printed circuit boards are connected via so-called vias, each of which is in an electrically conductive connection leading through a printed circuit board. bond exists, connected with each other.
  • the circuit is enclosed by a housing, which is connected to the corresponding printed circuit board, and shielded by a layer structure on the housing.
  • the invention is based on the object of specifying a module with an antenna which, compared to the known concepts, can be constructed more simply and more cost-effectively.
  • a module with an antenna comprising an electronic circuit, a housing enclosing the circuit and an antenna which is operatively connected to the circuit, the antenna being a conductive layer structure applied directly to the housing.
  • the assembly with circuit, housing and antenna comes with a maximum of two individual parts, since the antenna is provided directly as a layer structure on the housing. There is no need for a special subassembly with the Antenna, and there is also no need for any connections between such a subassembly and the circuit itself.
  • the housing preferably consists of a plastic, in particular a plastic with a low dielectric constant and a low dielectric loss factor.
  • a plastic in particular a plastic with a low dielectric constant and a low dielectric loss factor.
  • the person skilled in the relevant art is familiar with the use of such a plastic.
  • the antenna is preferably connected to the circuit via an electromagnetic coupling structure, since such a coupling structure makes the formation of an electrically conductive direct connection superfluous.
  • the coupling structure is generated directly when the correspondingly designed circuit is installed in the housing, for example by installing a circuit board with the circuit in the housing in a predetermined manner relative to the antenna.
  • the coupling structure comprises, in particular, a slot in an extended conductive layer structure, this conductive layer structure being the ground side of a printed circuit board with the electronic circuit implemented in conventional stripline technology. Such a slot is sufficient to bring about a necessary coupling between the circuit and the antenna.
  • a plug part for connecting the assembly to another assembly is preferably integrated into the housing.
  • This plug part can be used, for example, to supply the module with electrical energy and / or to supply the module with a low-frequency electrical signal for further processing.
  • This configuration is of particular interest if the housing is produced from a suitable plastic by an injection molding process, because the physical structure of the plug part can be formed at the same time.
  • Required electrical contacts on the connector Kerteil can be easily produced within the framework of a coating of the housing with a metal or another conductive substance, which is in any case necessary to form an antenna.
  • the antenna of the assembly is a stripline arrangement, in particular an arrangement with at least one "patch” made of conductive material, which is generally square or nearly square.
  • the antenna is a horn antenna and is in particular formed in a suitable funnel-like shape of the housing, which can also be formed in the course of the production of the housing by means of injection molding and subsequent metallization.
  • the contact of such a horn with a circuit using stripline technology is known as such, as already mentioned.
  • the circuit of the module is preferably implemented using stripline technology.
  • the housing particularly preferably carries a layer structure shielding the circuit on an inner side facing the circuit and the antenna on an outer side facing away from the circuit. This largely prevents the circuit from malfunctioning due to an undesired electromagnetic signal acting on it from the outside.
  • an embodiment of the assembly is particularly preferred such that the circuit is designed as a stripline arrangement on the inside of the housing.
  • the outside of the housing is preferably essentially covered by an arrangement comprising the antenna, a coupling structure for connecting the antenna to the circuit and an extensive conductive layer structure for shielding the circuit.
  • the Assembly from circuit, antenna and housing only a single subassembly, namely the housing, which carries both the circuit and the antenna. Also within the scope of this design, an essentially complete shielding of the circuit against undesired electromagnetic signals is possible, as just explained.
  • the module is particularly suitable for use in data transmission or sensors;
  • the assembly can be used in the context of radar technology, the circuit and antenna belonging to a radar device.
  • the assembly according to the invention is particularly suitable for operation with high-frequency signals with frequencies between 10 GHz and 100 GHz.
  • Figure 3 is a side view of an assembly
  • Figure 4 is a sectional view of part of another embodiment of the assembly.
  • this coupling structure 4 is a slot in a ground surface 5 of a printed circuit board 6, which carries the circuit 1.
  • the circuit 1 is a strip conductor arrangement mounted on the printed circuit board 6 and additionally comprises discrete components 7, of which only one is shown for the sake of clarity.
  • This one component 7 is e.g. a sensor of any kind, which delivers a sensor signal, which is picked up by the circuit 1 and further processed into a high-frequency signal, which is transmitted as a radio signal via the antenna 3.
  • a sensor of any kind which delivers a sensor signal, which is picked up by the circuit 1 and further processed into a high-frequency signal, which is transmitted as a radio signal via the antenna 3.
  • the circuit board 6 is attached inside the housing 2 and glued and / or soldered to the inside 8 of the housing 2, the ground surface 5 being connected to a conductive layer structure 9, which acts as a shield for the circuit 1, which is attached to the inside 8 ,
  • the antenna 3 is mounted on the outside 10 of the housing 2 and is effectively coupled to the circuit 1 via a coupling structure 4, namely the slot 4 already mentioned in the ground plane 5.
  • a signal is transmitted between the antenna 3 and the circuit 1 an electromagnetic field, as already explained in more detail above.
  • FIG. 2 shows a further embodiment of the assembly with antenna 3.
  • the circuit 1 is attached directly on the inside 8 of the housing 2.
  • the housing 2 is covered on its outside 10 with an electrically conductive layer structure 11, which functions as a shield.
  • the housing is se 2 traversing plug part 12, in the present case a socket, is provided. This plug part 12 is electrically connected to the circuit 1, as can be seen from the illustration.
  • the outside 10 of the housing 2 also carries the antenna 3 and a coupling structure 4, in the present case a through-connection 4 passing through the housing 2.
  • FIG. 3 shows the spatial arrangement of three components of an embodiment of the assembly on an outer side 10 of the housing 2, specifically the antenna 3, a strip conductor piece 4 for effectively coupling the antenna 3 to the (not visible) circuit 1 and a shielding layer structure 11.
  • FIG. 4 shows a sectional view of another embodiment of the antenna 3.
  • the antenna 3 is attached there on the outside 10 of the housing 2, in a funnel-shaped recess 13. This results in an antenna 3 in the form of a horn, which is excellent by a certain directionality, which can be advantageous in the context of an application of the assembly in a radar device, see the explanations above.
  • the connection of the antenna 3 to the circuit 1 again takes place via a coupling structure 4, for example a coupling slot 4.
  • the assembly according to the invention is particularly simple and inexpensive to manufacture; it facilitates the use of high-frequency technology for a wide variety of applications.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

L'invention concerne un ensemble comportant une antenne (3), travaillant notamment avec des signaux électromagnétiques dans une gamme de fréquence entre 10 GHz et 100 GHz. Cet ensemble comprend un circuit électronique (1), un boîtier (2) renfermant ce circuit électronique, et l'antenne (3) couplée de manière efficace avec ledit circuit. L'antenne (3) est une structure en couches (3) conductrice directement disposée sur le boîtier. Ledit ensemble fait notamment partie d'un dispositif de capteur ou d'un dispositif radar.
PCT/DE2000/001763 1999-06-30 2000-05-30 Ensemble avec antenne WO2001003243A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19930112 1999-06-30
DE19930112.3 1999-06-30

Publications (1)

Publication Number Publication Date
WO2001003243A1 true WO2001003243A1 (fr) 2001-01-11

Family

ID=7913151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2000/001763 WO2001003243A1 (fr) 1999-06-30 2000-05-30 Ensemble avec antenne

Country Status (1)

Country Link
WO (1) WO2001003243A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005041352A1 (fr) * 2003-10-24 2005-05-06 Proofcap Ab Dispositif a antenne integree pour encapsulation de composants electroniques de radiocommunication et procede permettant de produire de tels dispositifs.
WO2005043675A1 (fr) 2003-10-27 2005-05-12 Robert Bosch Gmbh Ensemble antenne en particulier pour applications radar dans des vehicules automobiles
EP2302737A1 (fr) * 2009-09-21 2011-03-30 Sennheiser Communications A/S Dispositif de communication portable doté d'une antenne
DE10346847B4 (de) * 2003-10-09 2014-04-10 Robert Bosch Gmbh Mikrowellenantenne
DE102015200638A1 (de) * 2015-01-16 2016-07-21 Voith Patent Gmbh Sensoreinheit
CN113540768A (zh) * 2020-04-20 2021-10-22 成都恪赛科技有限公司 一种应用于微波系统的连接结构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383292A2 (fr) * 1989-02-14 1990-08-22 Fujitsu Limited Dispositif de circuit électronique
US5181025A (en) * 1991-05-24 1993-01-19 The United States Of America As Represented By The Secretary Of The Air Force Conformal telemetry system
WO1993015418A1 (fr) * 1992-01-23 1993-08-05 Saab-Scania Combitech Aktiebolag Dispositif pour le transfert de l'information sans fil
WO1993015417A1 (fr) * 1992-01-23 1993-08-05 Saab-Scania Combitech Aktiebolag Dispositif de transfert d'informations
EP0766099A2 (fr) * 1995-09-27 1997-04-02 Siemens Aktiengesellschaft Module radar à Doppler
US5903239A (en) * 1994-08-11 1999-05-11 Matsushita Electric Industrial Co., Ltd. Micro-patch antenna connected to circuits chips

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383292A2 (fr) * 1989-02-14 1990-08-22 Fujitsu Limited Dispositif de circuit électronique
US5181025A (en) * 1991-05-24 1993-01-19 The United States Of America As Represented By The Secretary Of The Air Force Conformal telemetry system
WO1993015418A1 (fr) * 1992-01-23 1993-08-05 Saab-Scania Combitech Aktiebolag Dispositif pour le transfert de l'information sans fil
WO1993015417A1 (fr) * 1992-01-23 1993-08-05 Saab-Scania Combitech Aktiebolag Dispositif de transfert d'informations
US5903239A (en) * 1994-08-11 1999-05-11 Matsushita Electric Industrial Co., Ltd. Micro-patch antenna connected to circuits chips
EP0766099A2 (fr) * 1995-09-27 1997-04-02 Siemens Aktiengesellschaft Module radar à Doppler

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10346847B4 (de) * 2003-10-09 2014-04-10 Robert Bosch Gmbh Mikrowellenantenne
WO2005041352A1 (fr) * 2003-10-24 2005-05-06 Proofcap Ab Dispositif a antenne integree pour encapsulation de composants electroniques de radiocommunication et procede permettant de produire de tels dispositifs.
WO2005043675A1 (fr) 2003-10-27 2005-05-12 Robert Bosch Gmbh Ensemble antenne en particulier pour applications radar dans des vehicules automobiles
US7696938B2 (en) 2003-10-27 2010-04-13 Robert Bosch Gmbh Antenna system, particularly for radar applications in motor vehicles
EP2302737A1 (fr) * 2009-09-21 2011-03-30 Sennheiser Communications A/S Dispositif de communication portable doté d'une antenne
US8669905B2 (en) 2009-09-21 2014-03-11 Sennheiser Communications A/S Portable communication device comprising an antenna
DE102015200638A1 (de) * 2015-01-16 2016-07-21 Voith Patent Gmbh Sensoreinheit
CN113540768A (zh) * 2020-04-20 2021-10-22 成都恪赛科技有限公司 一种应用于微波系统的连接结构
CN113540768B (zh) * 2020-04-20 2024-04-05 成都恪赛科技有限公司 一种应用于微波系统的连接结构

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