WO2017005542A1 - Moyen de communication et appareil ménager dans lequel il est utilisé - Google Patents

Moyen de communication et appareil ménager dans lequel il est utilisé Download PDF

Info

Publication number
WO2017005542A1
WO2017005542A1 PCT/EP2016/064964 EP2016064964W WO2017005542A1 WO 2017005542 A1 WO2017005542 A1 WO 2017005542A1 EP 2016064964 W EP2016064964 W EP 2016064964W WO 2017005542 A1 WO2017005542 A1 WO 2017005542A1
Authority
WO
WIPO (PCT)
Prior art keywords
communication means
branches
antenna
feed point
branch
Prior art date
Application number
PCT/EP2016/064964
Other languages
English (en)
Inventor
Sezgi YIKILMAZCINAR
Selami SEVIK
Oner Hatipoglu
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2017005542A1 publication Critical patent/WO2017005542A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element

Definitions

  • the present invention relates to a communication means that provides communication between the household appliances and between the household appliances and the user, to a household appliance wherein the said communication means is used.
  • frequencies that can be used for wireless communication without obtaining licenses are determined.
  • Frequencies that the household appliances can use are defined as ISM (Industrial, scientific and medical) band. In this band, different frequencies are determined for different regions and since using an appliance specific to a certain region in another region causes interference, it poses a problem. Therefore, the producers who do not want to produce different appliances for different regions are forced to use broadband communication means, in particular broadband antenna.
  • the communication means are used externally or as integrated.
  • the use of a low-cost communication means that is composed of an antenna printed on a printed circuit board is known.
  • the dipole antennas working in frequencies defined by standards have a length of about 15cm and the monopole antennas have a length of about 8cm; moreover, producing broadband antennas in the said low frequencies is more difficult in comparison to higher frequencies, for example 2.4 GHz.
  • These large dimensions affect the design of the household appliances and cause the communication means to occupy a large space on the household appliances.
  • Helical antennas that can be produced in smaller sizes are sensitive to production tolerances and not suitable for mass production.
  • the helical antennas have antenna gain.
  • the communication means used in the household appliances are required to be non-directional and to be capable of broadcasting and receiving broadcast omni-directionally. Therefore, low gain antennas are preferred.
  • a printed circuit board antenna comprising a coupling circuit so as to work in different wavelengths.
  • a communication means comprising an integrated antenna that can work in different wavelengths.
  • the aim of the present invention is the realization of a small-sized and low-cost communication means and a household appliance wherein the said communication means is used.
  • the communication means realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises an antenna having a plurality of branches that are asymmetrically positioned on a linear section extending from a feed point for a certain length.
  • the antenna part of the communication means comprises ten branches that are perpendicularly positioned on the linear section.
  • the branches are arranged as two groups of two and two groups of three starting from the closest one to the feed point. In the two groups of two, the branch closer to the feed point is shorter than the other. In the two groups of three, the branches are arranged so as to be medium - long - short length according to their proximity to the feed point.
  • the branches have a length that is one twentieth or one fifteenth of the resonance wavelength.
  • the branches are positioned in an eccentric manner on the linear section.
  • a printed circuit board is used as the lower layer wherein the antenna pattern is situated and the said printed circuit board is produced in the standard thickness and from standard materials.
  • a gap is provided on the ground connection and the feed point of the antenna is printed on the printed circuit board so as to be in the gap.
  • the linear section extending from the feed point is selected in a length that is between one fifth and one sixth of the resonance wavelength.
  • the communication means have a broad bandwidth around the desired central frequency.
  • the household appliance wherein the communication is used can be used in different regions without requiring any extra component.
  • the broad bandwidth also enables the household appliance to wirelessly transfer audio and video.
  • the said communication means has a simpler design than the state of the art means and is produced with lower costs. Moreover, the above-mentioned antenna pattern is resistant to production tolerances and is minimally affected by production errors. Thus, losses that may occur during mass production can be minimized, thus providing cost advantage.
  • a small-sized communication means is realized in the license-free frequency band reserved for industrial use in radio frequency arrangements and the communication means can be easily integrated to the edge of the printed circuit board that constitutes the control card of the household appliance wherein the communication means is used.
  • the household appliance wherein the communication means of the present invention is used is in particular a cooking device, an exhaust hood system with an image processing means.
  • the exhaust hood can reflect the information received from the cooking device onto the kitchen counter and thus the user is not required to bend over to see the status of the cooking device.
  • the household appliance wherein the communication means of the present invention is used is not limited to the above-mentioned sample household appliances, and can be a cooling device, a laundry washer and/or dryer, a dishwasher or a small home appliance.
  • Figure 1 – is the schematic view of a communication means.
  • Figure 2 – is the graphic of the losses by frequency of the communication means related to an embodiment of the present invention.
  • Figure 3 – is the graphic of gain in 868 MHz frequency of the communication means related to an embodiment of the present invention.
  • Figure 4 – is the graphic of gain in 915 MHz frequency of the communication means related to an embodiment of the present invention.
  • the communication means (1) comprises a feeding unit (not shown in the figures), a lower layer (2) and an antenna (3) that is disposed on the lower layer (2) and that has a ground connection (4) and a feed point (5).
  • the communication means (1) of the present invention comprises the antenna (3) having
  • the communication means (1) is driven in the resonance frequency over the feed point (5) by the feeding unit. Moreover, the feeding unit receives signals in the resonance frequency that are captured by the antenna (3). In other words, the communication means (1) works as a receiver and/or transmitter. The person skilled in the art can easily change the gain, efficiency, resonance frequency and bandwidth of the communication means (1) by changing the positions of the branches (7) on the linear section (6).
  • a communication means (1) with an 11% bandwidth in 900 MHz frequency is realized ( Figure 2).
  • Figure 2 shows the backscatter ratio by frequency of the signal transmitted from the antenna (3), in technical terms the S parameter.
  • values lower than 0.3 show an antenna (3) efficiency of 90%.
  • the communication means (1) with the said bandwidth is explained hereinafter in detail.
  • the gain graphic of the antenna (3) is shown in two directions, in other words in the azimuth plane. Therefore, when driven in a frequency of 868 MHz, the antenna (3) of the present invention has a 1.79 dB gain with an azimuth plane of 4 degrees ( Figure 3). When driven in a frequency of 915 MHz, the antenna (3) has a 1.85 gain with an azimuth plane of 3 degrees. As shown in Figure 3 and Figure 4, the antenna (3) of the present invention has a gain over 1.7 dB in almost all directions and the antenna (3) is considered non-directional according to standards.
  • the antenna (3) of the communication means (1) comprises ten branches (7) that are perpendicularly positioned on the linear section (6) ( Figure 1).
  • the branches (7) are arranged so as to in two groups of two and two groups of three.
  • the distances between the branches (7) can be equal or can be different ( Figure 1).
  • the branch (7) away from the feed point (5) is longer than the branch (7) close to the feed point (5).
  • the second branch (7) is longer than the first branch (7) and the fourth branch (7) longer than the third branch (7) (d2 > d1 and d4 > d3).
  • the branch (7) closest to the feed point (5) is referred to as the first branch (7) so as to more easily describe the invention and in fact, there are no structural differences between the branches (7) required for the operation of the invention.
  • the branches (7) positioned as groups of three are arranged so as to be medium - long - short length as the distance to the feed point (5) increases. As shown in Figure 1, the fifth branch (7) is shorter than the sixth branch (7) and longer than the seventh branch (7) (d6 > d5 > d7) while the eighth branch (7) is shorter than the ninth branch (7) and longer than the tenth branch (7) (d9 > d8 > d10).
  • the distance between the branch (7) groups increases towards the end of the linear section (6) starting from the feed point (5).
  • the distance between the fourth branch (7) and the fifth branch (7) is longer than the distance between the second branch (7) and the third branch (7) and shorter than the distance between the seventh branch (7) and the eighth branch (7) (da ⁇ db ⁇ dc).
  • the branches (7) disposed on the linear section (6) have a length that is between one twentieth and one fifteenth of the resonance wavelength.
  • a communication means (1) with the above-described antenna (3) pattern has a low gain, in other words is non-directional, in other words omni-directionally sends signals in almost equal power.
  • the branches (7) are eccentrically arranged on the linear section (6). With the arrangement pattern of the branches (7) positioned on the linear section (6), a broad bandwidth in the above-mentioned frequencies is obtained. However, the person skilled in the art can obtain broader bandwidths by easily changing, in particular increasing the area and the thickness of the branches (7).
  • the lower layer (2) used in the communication means (1) is a printed circuit board.
  • the lower layer (2) is in particular a printed circuit board with a thickness of 1.6mm and produced from FR4 material.
  • the communication means (1) is produced as integrated with the control unit on the household appliance and the production costs are substantially decreased.
  • by positioning the antenna (3) pattern at the edge of the printed circuit board by positioning the antenna (3) pattern at the edge of the printed circuit board, a broader bandwidth and a higher efficiency are obtained.
  • a gap (8) is arranged on the ground connection (4) provided on the printed circuit board and the feed point (5) is positioned in the said gap (8).
  • the impedance of the antenna (3) is improved so that the impedance of the communication means (1) of the present invention is about 50 ⁇ at the feed point (5).
  • the standard impedance level in the technique is obtained and the communication means (1) can be used with the state of the art feeding units without requiring any impedance tuners.
  • the length of the linear section (6) of the antenna (3) is of a length that is between one fifth and one sixth of the resonance wavelength.
  • a communication means (1) is realized, that is smaller than the communication means (1) with the state of the art monopole and dipole antennas (3).
  • the lengths and distances given for the antenna (3) have a production tolerance of +-10%.
  • the ground connection (4) is also printed on at least on other layer of the printed circuit board.
  • the ground connection (4) shown in Figure 1 is present in at least two layers of the printed circuit board.
  • the ground connection (4) and the antenna (3) pattern are obtained by printing copper on the printed circuit board.
  • the above-described communication means (1) is used for wireless transmission.
  • the household appliance can be an oven, a cooker, a dishwasher, an exhaust hood, a laundry washer or a refrigerator used in the user's kitchen or bathroom and requiring image and signal transmission to communicate with other household appliances and the user.
  • the communication means (1) used in a refrigerator the images of the refrigerator shelves are displayed for the user or the exhaust hood can capture the images of the foods that are being cooked on the cooker by means of the camera and the processor thereon so as to analyze the same and to send control commands to the cooker.

Landscapes

  • Support Of Aerials (AREA)

Abstract

La présente invention porte sur un moyen de communication (1) qui équipe l'appareil ménager dans lequel le moyen de communication (1) est utilisé d'une fonctionnalité d'émission sans fil et qui comprend une unité d'alimentation, une couche inférieure (2) qui est une carte de circuit imprimé, une antenne (3) qui est disposée sur la couche inférieure (2) et qui comporte une connexion à la masse (4) et un point d'alimentation (5).
PCT/EP2016/064964 2015-07-08 2016-06-28 Moyen de communication et appareil ménager dans lequel il est utilisé WO2017005542A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201508492 2015-07-08
TRA2015/08492 2015-07-08

Publications (1)

Publication Number Publication Date
WO2017005542A1 true WO2017005542A1 (fr) 2017-01-12

Family

ID=56263711

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/064964 WO2017005542A1 (fr) 2015-07-08 2016-06-28 Moyen de communication et appareil ménager dans lequel il est utilisé

Country Status (1)

Country Link
WO (1) WO2017005542A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1095422A1 (fr) 1998-07-09 2001-05-02 Telefonaktiebolaget LM Ericsson (publ) Antenne double bande en spirale, jumelee, a circuits imprimes
WO2005062422A1 (fr) * 2003-12-23 2005-07-07 Macquarie University Antennes totalement planaires, a large bande, multibandes
US20080284653A1 (en) * 2003-09-09 2008-11-20 National Institute Of Information And Communica- Tions Technology, Inc. Administrative Agency Wide Band Antenna Common to a Plurality of Frequencies
US20110309985A1 (en) * 2010-06-21 2011-12-22 Ziming He Wideband printed circuit board-printed antenna for radio frequency front end circuit
WO2012065429A1 (fr) * 2010-11-19 2012-05-24 中兴通讯股份有限公司 Dispositif d'antenne et terminal mobile
EP2763238A1 (fr) 2011-09-30 2014-08-06 ZTE Corporation Antenne patch et dispositif de communication mobile
EP2851997A1 (fr) 2013-01-06 2015-03-25 Huawei Technologies Co., Ltd. Antenne sur carte de circuit imprimé et carte de circuit imprimé

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1095422A1 (fr) 1998-07-09 2001-05-02 Telefonaktiebolaget LM Ericsson (publ) Antenne double bande en spirale, jumelee, a circuits imprimes
US20080284653A1 (en) * 2003-09-09 2008-11-20 National Institute Of Information And Communica- Tions Technology, Inc. Administrative Agency Wide Band Antenna Common to a Plurality of Frequencies
WO2005062422A1 (fr) * 2003-12-23 2005-07-07 Macquarie University Antennes totalement planaires, a large bande, multibandes
US20110309985A1 (en) * 2010-06-21 2011-12-22 Ziming He Wideband printed circuit board-printed antenna for radio frequency front end circuit
WO2012065429A1 (fr) * 2010-11-19 2012-05-24 中兴通讯股份有限公司 Dispositif d'antenne et terminal mobile
EP2763238A1 (fr) 2011-09-30 2014-08-06 ZTE Corporation Antenne patch et dispositif de communication mobile
EP2851997A1 (fr) 2013-01-06 2015-03-25 Huawei Technologies Co., Ltd. Antenne sur carte de circuit imprimé et carte de circuit imprimé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JUNG J ET AL: "Broadband flexible comb-shaped monopole antenna", IET MICROWAVES ANTENNAS & PROPAGATION,, vol. 3, no. 2, 2 March 2009 (2009-03-02), pages 325 - 332, XP006032590, ISSN: 1751-8733, DOI: 10.1049/IET-MAP:20070363 *

Similar Documents

Publication Publication Date Title
TWI491107B (zh) 電調天線及射頻裝置
US11018411B2 (en) RF antenna arrangement configured to be a part of a lid to an apparatus
US20160043470A1 (en) Antenna Device
RU2646945C1 (ru) Переключаемая антенна с п-образной формой
TWI622228B (zh) 波束選擇天線系統
JP2016105583A (ja) アンテナ装置、無線通信装置、及びレーダ装置
US20130293426A1 (en) Electronic device
WO2015191286A1 (fr) Appareil d'antenne multibande et procédés associés
US10326198B2 (en) Household appliance wireless communication network adapter
US20140342676A1 (en) Matching circuit and wireless communication device using the same
US10862191B2 (en) Radio frequency antenna for short range communications
US20180301785A1 (en) A communication means and the household appliance wherein the same is used
WO2006123790A1 (fr) Telephone cellulaire avec recepteur de radiodiffusion
WO2017005542A1 (fr) Moyen de communication et appareil ménager dans lequel il est utilisé
WO2017005543A1 (fr) Moyen de communication et appareil électroménager l'utilisant
WO2017005544A1 (fr) Moyen de communication et appareil électroménager dans lequel celui-ci est utilisé
WO2017184051A1 (fr) Dispositif d'antenne wlan multibande
KR102571524B1 (ko) 안테나 장치
CN101997172B (zh) 无向性辐射的平板天线
US20120119956A1 (en) Antenna Device
EP3660980B1 (fr) Antenne et terminal la comprenant
EP3016204A1 (fr) Ensemble d'antenne et dispositif électronique comprenant ledit ensemble d'antenne
TWI514677B (zh) 多頻天線及應用該多頻天線的無線通訊裝置
KR20100075005A (ko) 튜닝가능형 플렉서블 안테나
EP2993729A1 (fr) Ensemble d'antenne et dispositif électronique comprenant ledit ensemble d'antenne

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16732639

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16732639

Country of ref document: EP

Kind code of ref document: A1