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WO2022265261A1 - Module d'antenne - Google Patents

Module d'antenne Download PDF

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Publication number
WO2022265261A1
WO2022265261A1 PCT/KR2022/007633 KR2022007633W WO2022265261A1 WO 2022265261 A1 WO2022265261 A1 WO 2022265261A1 KR 2022007633 W KR2022007633 W KR 2022007633W WO 2022265261 A1 WO2022265261 A1 WO 2022265261A1
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WO
WIPO (PCT)
Prior art keywords
unit
antenna
transmitting
transmission
reception
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2022/007633
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English (en)
Korean (ko)
Inventor
박태병
윤영민
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Individual
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Individual
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Filing date
Publication date
Priority claimed from KR1020210158217A external-priority patent/KR102539987B1/ko
Application filed by Individual filed Critical Individual
Publication of WO2022265261A1 publication Critical patent/WO2022265261A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H01Q1/46—Electric supply lines or communication lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • 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
    • H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines

Definitions

  • the present invention relates to an antenna module for transmitting and receiving radio waves, and more particularly, to an antenna module capable of transmitting and receiving signals simultaneously corresponding to multiple bands.
  • GNSS Global Navigation Satellite Systems
  • GPS in the United States, GLONASS in Russia, Galileo in Europe, and COMPASS in China Representative.
  • This GNSS transmits and receives radio waves using right-hand circular polarization (RHCP) polarization.
  • Circular polarization signals have an advantage in that the polarization change due to the earth's magnetic field is smaller than that of linear polarization signals when passing through the ionosphere of the earth's atmosphere.
  • GNSS systems can generate position errors of several tens of meters or more due to various causes such as ionospheric scattering errors, satellite orbit errors, tropospheric delay errors, and multipath fading.
  • ionospheric scattering errors ionospheric scattering errors
  • satellite orbit errors ionospheric delay errors
  • multipath fading ionospheric delay errors
  • a dual-band GNSS system capable of simultaneously receiving two different frequency channels and correcting a position error due to ionospheric or multi-path interference may be used.
  • the dual-band GNSS system can correct position errors by combining the L1 band (1.5754 GHz) and the L2 band (1.2276 GHz) or the L1 band (1.5754 GHz) and the L5 band (1.17645 GHz) in the case of a GPS system.
  • the dual-band GNSS antenna accompanying the dual-band GNSS system can be implemented in various forms.
  • a microstrip antenna having a vehicle roof as a ground plane is mainly used.
  • a ceramic dielectric material having a high dielectric constant of 10 or more for miniaturization of a GNSS microstrip antenna for a vehicle, and a method of vertically stacking such single microstrip antennas is mainly used for dual band.
  • a microstrip multilayer antenna using such a ceramic dielectric mainly uses a coaxial probe feeding method in which power is fed using vias vertically penetrating from a ground plane to a radiation part of each band.
  • the feeding position is easy to be located close to the center of the microstrip patch, and it is difficult to isolate between the upper and lower patch antennas, so mutual coupling between the two band antennas can occur. .
  • a number of technologies have been announced to suppress such mutual coupling, but in the case of a microstrip laminated structure, it is difficult to improve performance because the degree of freedom in design is limited.
  • Mutual coupling between antennas operating in two bands not only greatly increases the design difficulty of dual-band GNSS antennas, but also causes a problem of reducing the radiation gain of each band.
  • manufacturing cost may increase due to an increase in processing time and man-hours compared to a single ceramic antenna, and production yield may decrease due to additional hole processing.
  • An object of the present invention is to solve the conventional problems as described above, and to provide an antenna module capable of suppressing a decrease in radiation gain during multi-band operation and improving economic feasibility in manufacturing.
  • the transmit/receive conductive unit is a first transmit/receive conductive unit
  • the antenna has a predetermined length and is spaced apart from the upper side of the grounding unit, and the distance from the grounding unit is minimized at one end and the other end.
  • a second transmission/reception conductor whose length direction is disposed in a direction perpendicular to or staggered with respect to the longitudinal direction of the first transmission/reception conductor; and having a predetermined length, extending in a direction perpendicular to the longitudinal direction of the second transmission/reception unit or in a direction parallel to the top surface of the grounding unit, connected to one end or the other end of the second transmission/reception unit. Transmitting and receiving wings; It may be further characterized as another feature.
  • the transmitting and receiving wing portion may be further characterized in that it is spaced upward from the ground portion.
  • the antenna is a first antenna
  • the antenna module further includes a second antenna for transmitting and receiving radio waves in a second frequency domain, and the second antenna is supported by the ground unit and has a predetermined length.
  • a third transmitting/receiving unit positioned above the grounding unit and having a shape in which the distance from the grounding unit is minimized at one end and the other end;
  • a transmission and reception wing having a predetermined length and extending in a direction perpendicular to the longitudinal direction of the third transmission and reception unit or in a direction parallel to the grounding unit, connected to one end or the other end of the third transmission and reception unit. It may be another feature that includes;
  • the second antenna has a predetermined length and is spaced apart from the upper side of the grounding part, and has a shape in which the distance away from the grounding part is minimized at one end and the other end, and the length direction is the third transmission and reception a fourth transmit/receive conductor disposed in a direction perpendicular or staggered with respect to the longitudinal direction of the conductor; And a transmission/reception wing having a predetermined length and extending in a direction perpendicular to the longitudinal direction of the fourth transmission/reception unit or in a direction parallel to the grounding unit and connected to one end or the other end of the fourth transmission/reception unit. It may be another feature that includes;
  • another feature may be that it further includes a power supply pin located below one end of the transmission/reception unit or below the other end of the transmission/reception unit and feeding power to the transmission/reception unit.
  • the antenna module according to the present invention can increase the radiation gain compared to the conventional vertically stacked dual-band antenna module, and has an effect of improving the economic feasibility of manufacturing the antenna module.
  • FIG. 1 is a perspective view schematically illustrating an antenna of an antenna module according to an embodiment of the present invention.
  • FIG. 2 is a side view schematically illustrating an antenna of an antenna module according to an embodiment of the present invention.
  • FIG 3 is a plan view schematically illustrating an antenna of an antenna module according to an embodiment of the present invention.
  • FIG. 4 is a perspective view schematically illustrating a portion of an antenna module according to an embodiment of the present invention.
  • FIG. 5 is a side view schematically illustrating a portion of an antenna module according to an embodiment of the present invention.
  • FIG. 6 is a perspective view schematically illustrating an antenna of an antenna module according to an embodiment of the present invention.
  • FIG. 7 is a perspective view schematically illustrating a first antenna and a second antenna of an antenna module according to an embodiment of the present invention.
  • FIG. 8 is a plan view schematically illustrating a first antenna and a second antenna of an antenna module according to an embodiment of the present invention.
  • FIG. 9 is a side view schematically illustrating a first antenna and a second antenna of an antenna module according to an embodiment of the present invention.
  • FIG. 10 is a perspective view schematically illustrating an antenna module according to an embodiment of the present invention.
  • FIG. 11 is a plan view schematically illustrating an antenna module according to an embodiment of the present invention.
  • FIG. 12 is a side view schematically illustrating an antenna module according to an embodiment of the present invention.
  • 13 is a gain comparison graph obtained by simulating and testing a module between a conventional vertically stacked square patch dual-band antenna and a dual-band antenna according to the present invention for L1 band (1.5754 GHz).
  • FIG. 14 is a gain comparison graph obtained by simulating and testing a module of a conventional vertically stacked square patch dual-band antenna and a dual-band antenna of the present invention for L5 band (1.17645 GHz).
  • 15 is a perspective view schematically illustrating an antenna of an antenna module according to another embodiment of the present invention.
  • 16 is a side view schematically illustrating an antenna of an antenna module according to another embodiment of the present invention.
  • 17 is a plan view schematically illustrating an antenna of an antenna module according to another embodiment of the present invention.
  • FIG. 18 is a perspective view schematically illustrating a portion of an antenna module according to another embodiment of the present invention.
  • FIG. 19 is a side view schematically illustrating a portion of an antenna module according to another embodiment of the present invention.
  • FIG. 20 is a perspective view schematically illustrating an antenna of an antenna module according to another embodiment of the present invention.
  • 21 is a perspective view schematically illustrating a first antenna and a second antenna of an antenna module according to another embodiment of the present invention.
  • FIG. 22 is a plan view schematically illustrating a first antenna and a second antenna of an antenna module according to another embodiment of the present invention.
  • FIG. 23 is a side view schematically illustrating a first antenna and a second antenna of an antenna module according to another embodiment of the present invention.
  • FIG. 24 is a perspective view schematically illustrating an antenna module according to another embodiment of the present invention.
  • 25 is a plan view schematically illustrating an antenna module according to another embodiment of the present invention.
  • 26 is a side view schematically illustrating an antenna module according to another embodiment of the present invention.
  • FIG. 1 is a perspective view schematically showing an antenna of an antenna module according to an embodiment of the present invention
  • FIG. 2 is a side view schematically showing an antenna of an antenna module according to an embodiment of the present invention
  • FIG. It is a plan view schematically showing an antenna of an antenna module according to an embodiment
  • FIG. 4 is a perspective view schematically showing a part of an antenna module according to an embodiment of the present invention
  • FIG. 5 is an antenna module according to an embodiment of the present invention. It is a side view schematically showing a part.
  • An antenna module includes a grounding unit and an antenna, but the antenna includes a transmission/reception conductive unit and a transmission/reception wing unit.
  • the antenna of the antenna module according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5 .
  • the antenna includes a transmit/receive conductive unit 100 and a transmit/receive wing unit 300 .
  • the transmitting/receiving unit 100 has a predetermined length and is spaced apart from the upper side of the grounding unit, but has a shape in which the distance from the grounding unit is minimized at one end and the other end.
  • the transmission/reception unit 100 has a form in which the distance D1 from one end to the other end is shorter than the total length from one end to the other end, and one end and the other end are close to the ground. You can also.
  • the 'c' shape consisting of an arch shape or a height portion 110 and a horizontal portion 150
  • the inclined surface portion 130 which is an inclined surface between the height portion 110 and the horizontal portion 150
  • a shape consisting of only two inclined surface portions 130 as the same shape as the two sides of a triangle is also sufficiently possible.
  • the height H1 of the transmitting/receiving unit 100 is the vertical distance from one end or the other end to the highest part of the transmitting/receiving unit 100, and from one end to the other end of the transmitting/receiving unit 100. It may be set according to the frequency band to be corresponded to the transmission/reception unit 100 together with the distance D1 of .
  • the total length of the transmitting/receiving unit 100 may be determined according to the first frequency band in which the transmitting/receiving unit 100 transmits/receives. there is.
  • the first frequency band is any one of the L1 band (1.5754 GHz), L2 band (1.2276 GHz), L3 band (1.38105 GHz), L4 band (1.379913 GHz), and L5 band (1.17645 GHz), for example, of the GPS system. It may be a frequency band of.
  • the transmitting/receiving unit 100 may be made of a conductor.
  • the transmission/reception unit 100 may radiate radio waves in space according to electrical signals transmitted from the outside. Contrary to this, the transmission/reception unit 100 can receive radio waves transmitted in space, and the received radio waves are electrical signals located at the lower side via one end or the other end of the transmission/reception unit 100 and spaced apart by a predetermined interval. It is transmitted to the power supply pin 25 located there.
  • the power supply pins 25 spaced apart from one end or the other end of the transmission/reception unit 100 downward by a predetermined interval may have various shapes for impedance matching. Also, as referenced in FIGS. 4 and 5 , the power supply pin 25 may be mounted on the ground portion 20 to have a fixed position.
  • the feed pin 25 may have a monopole shape as in this example.
  • a feed pad having a part in the form of a pad, or a feed arm or feed wire having an arbitrary length is also possible, and is not necessarily limited to a specific shape.
  • an electrical signal can be transmitted from one end or the other end of the transmitting/receiving unit 100 to the power supply pin 25 provided at the lower side.
  • an electrical signal may be received from the power supply pin 25 .
  • a current, voltage, or electrical signal transmitted from the outside to the power supply pin 25 through the coaxial line 27 is transmitted to the transmission/reception unit 100 through the power supply pin 25.
  • the power supply pin 25 and the transmission/reception unit 100 are spaced apart, and an indirect power supply method may be used as a method of transmitting power to the transmission/reception unit 100 through the power supply pin 25.
  • the transmitting and receiving wing unit 300 has a predetermined length, and extends in a direction perpendicular to the longitudinal direction of the transmitting and receiving unit 100 or in a direction parallel to the upper surface of the ground unit 20, and the transmitting and receiving unit ( 100) is connected to one end or the other end.
  • Transmitting and receiving wings 300 are preferably spaced apart at regular intervals upward from the reference horizontal plane.
  • the reference horizontal plane may be viewed as an upper side surface of the ground portion 20 .
  • the length of the transmitting and receiving wing unit 300 may be set during manufacture according to the corresponding frequency band, and fine adjustment for the frequency of the first frequency band is possible through the setting of the length of the transmitting and receiving wing unit 300.
  • the transmission/reception wing 300 may have the shape of an arc having a center point CP as a vertex, which is half of the distance from one side end to the other end of the transmission/reception conduction unit 100 when viewed in plan view.
  • the transmission/reception wing unit 300 is not limited to the shape of an arc centered on the center point (CP), and may have a straight line shape at least in part.
  • the straight shape is a straight line when viewed from a plan view, and is a flat surface with an arbitrary width when viewed from the side.
  • the transmit/receive wing unit 300 is connected to the transmit/receive conductive unit 100 in the center and has a symmetrical shape on both sides with the transmit/receive conductive unit 100 as the center, as referenced in the drawings.
  • reference numeral A indicates an angle between one side end and the other side end of the transmitting and receiving wing unit 300 with the center point (CP) as the center.
  • Transmitting and receiving wings 300 may be provided in a form connected to one side and the other side of the transmitting and receiving conductive unit 100, respectively, as shown in the drawing.
  • the transmitting and receiving wings 300 provided on one side and the other side of the transmitting and receiving conducting unit 100 form a symmetrical shape with the center point CP in between.
  • the transmit/receive conductive unit 100 and the transmit/receive wing 300 as described above are included in the antenna.
  • the antenna including the transmit/receive conductive unit 100 and the transmit/receive wing unit 300 is spaced apart at a predetermined interval upward on one side of the ground unit 20.
  • the power supply pin 25 is provided in the grounding unit 20 as a lower side of the transmitting/receiving unit 100. And the power supply pin 25 is electrically connected to the coaxial line 27.
  • the coaxial line 27 may be connected to the side of the external electronic device.
  • a spaced gap G1 is provided between the power supply pin 25 and the transmission/reception conductive unit 100, and as mentioned above, the transmission/reception conductive unit 100 or the transmission/reception wing unit ( 300), power or an electrical signal may be transferred.
  • a form in which a dummy pin 23 is disposed between the power supply pin 25 and the ground portion 20 is also possible.
  • the dummy pin 23 plays a role of mediating coupling so that the power supply pin 25 can be mounted on the ground part 20 or the PCB.
  • the coupling between the power supply pin 25 and the ground part 20 may be made through the dummy pin 23.
  • the dummy pin 23 serves to fix the antenna module together with the power supply pin 25 by being coupled to the ground portion 20 or the PCB. That is, the coupling between the antenna module and the ground unit 20 or the PCB may be performed through the power supply pin 25 and the dummy pin 23.
  • the dummy pin 23 may assist in forming the antenna radiation pattern symmetrically.
  • These dummy pins 23 may be made of a conductive material.
  • the indirect power feeding method is performed while maintaining the distance G1 between the transmitting/receiving conductive unit 100 and the power feeding pin 25, and the transmitting/receiving conductive unit 100 and the power feeding pin 25 maintain their shape on the ground unit 20.
  • a dielectric unit 600 may be further provided to help. The dielectric unit 600 will be described later with reference to FIGS. 10 to 12 .
  • the antenna includes a plurality of transmit/receive conductors, and the description of this form will be continued with further reference to FIG. 6 .
  • the antenna may include two transmit/receive conductors 100 and 200 . That is, as shown in FIG. 6, the antenna includes a first transmit/receive conductor 100 and a second transmit/receive conductor 200.
  • the first transmission/reception unit 100 is the same as the previously described transmission/reception unit 100, and may be referred to as the first transmission/reception unit 100 for convenience in order to distinguish it from the second transmission/reception unit 200.
  • the second transmission/reception unit 200 is substantially the same as the first transmission/reception unit 100 described above. However, a partially stepped portion may be provided in the horizontal portion 250 of the second transmission/reception conductor 200 so that the second transmission/reception conductor 200 does not come into direct physical contact with the first transmission/reception conductor 100. There is a slight difference in that there is
  • the height portion 210 and the inclined surface portion 230 of the second transmission/reception conductive unit 200 are the same as those of the height portion 110 and the inclined surface portion 130 of the transmission/reception conductive unit described above with reference to FIGS. 1 to 3. . Since the second transmission/reception unit 200 is also basically the same as the above-described transmission/reception unit, the same parts will be replaced with those described above in order to avoid repeated description. However, since the arrangement relationship between the first transmit/receive unit 100 and the second transmit/receive unit 200 has not been described above, it will be described.
  • the second transmission/reception conductor 200 has a predetermined length and is spaced apart from the upper side of the grounding unit 20, but the distance from the grounding unit 20 is the minimum at one end and the other end. It has a form, and the longitudinal direction is disposed in a direction perpendicular to or crossed with respect to the longitudinal direction of the first transmission/reception conductive unit 100. In this way, the first transmission/reception unit 100 and the second transmission/reception unit 200 are arranged so that the longitudinal direction of the second transmission/reception unit 200 is placed in a direction perpendicular to or crossed with the longitudinal direction of the first transmission/reception unit 100. If the arrangement relationship is set, the polarization of radio waves transmitted and received from the antenna can be formed in a linear or circular shape by adjusting the phase of the signal supplied.
  • the transmit/receive wing 300 connected to the second transmit/receive conductive portion 200 has a predetermined length, and is perpendicular to the longitudinal direction of the second transmit/receive portion 200 or on the upper side of the ground portion 20. It is connected to one end or the other end of the second transmission/reception conductive part in a form extending in a direction parallel to the first transmission/reception unit.
  • These transmitting and receiving wing unit 300 is the same as the one described above, so it can be replaced with the one described above.
  • the antenna shown in FIG. 6 is referred to as the first antenna 30 corresponding to the first frequency band, and a form in which a second antenna corresponding to the second frequency band is further provided is also possible, and FIGS. It will be explained with reference to 9.
  • FIG. 7 is a perspective view schematically illustrating a first antenna and a second antenna of an antenna module according to an embodiment of the present invention
  • FIG. 8 is a perspective view showing a first antenna and a second antenna of an antenna module according to an embodiment of the present invention
  • 9 is a schematic plan view
  • FIG. 9 is a side view schematically illustrating a first antenna and a second antenna of an antenna module according to an embodiment of the present invention.
  • the antenna module according to an embodiment of the present invention may further include a second antenna 40.
  • the second antenna 40 is the antenna corresponding to the second frequency band.
  • the second frequency band is a frequency band different from the first frequency band, and in the GPS system, for example, L1 band (1.5754 GHz), L2 band (1.2276 GHz), L3 band (1.38105 GHz), L4 band (1.379913 GHz) and L5 band (1.17645 GHz).
  • the first antenna 30 may be an antenna operating in correspondence with the L1 band (1.5754 GHz) and the second antenna 40 may be an antenna operating in correspondence with the L5 band (1.17645 GHz).
  • the second antenna 40 is supported by the grounding unit 20, has a predetermined length and is spaced apart from the upper side of the grounding unit 20.
  • a third transmission/reception conductor 400 having a shape and having a predetermined length, extending in a direction perpendicular to the longitudinal direction of the third transmission/reception conductor or in a direction parallel to the grounding portion 20, the transmission/reception conductor (400), one side end or the other end connected to the transmitting and receiving wing unit 300; includes.
  • This third transmit/receive unit 400 is substantially the same as the description of the first transmit/receive unit 100 described above, and can be replaced with the one described above.
  • the third transmission/reception unit 400 is also referred to as a transmission/reception unit and is distinguished from the first transmission/reception unit 100 described above for convenience of understanding.
  • Transmitting and receiving wing unit 300 is also the same as the description of the transmitting and receiving wing unit 300 described above, and may be replaced with the one described above.
  • the fourth transmission/reception unit 500 may be the same as the description of the second transmission/reception unit 200 described above, and may be replaced with the description of the second transmission/reception unit 200 described above.
  • the arrangement between the third transmit/receive unit 400 and the fourth transmit/receive unit 500 is between the first transmit/receive unit 100 and the second transmit/receive unit 200 described above with reference to FIG. It can be said that it is the same as the layout type.
  • the fourth transmit/receive unit 500 has a predetermined length and is spaced apart from the upper side of the ground unit 20, but has a shape in which the distance away from the ground unit 20 is minimized at one end and the other end, and has a length direction It is preferable to arrange in a direction perpendicular or staggered with respect to the longitudinal direction of the third transmit/receive unit 400 .
  • the second antenna 40 including the third transmit/receive unit 400 and the fourth transmit/receive unit 500 is disposed above the first antenna 30 as referred to in FIG. 7 or the first antenna 30 ) can be said to be disposed outside or inside of.
  • the antenna module 10 in which the first antenna 30 and the second antenna 40 are disposed on the ground portion 20 and coupled to the dielectric portion 600 is shown in FIGS. 10 to 12 .
  • FIG. 10 is a perspective view schematically showing an antenna module according to an embodiment of the present invention
  • FIG. 11 is a plan view schematically showing an antenna module according to an embodiment of the present invention
  • FIG. It is a side view schematically showing the antenna module according to.
  • the antenna module 10 is in contact with the first antenna 30 and the second antenna 40 previously described with reference to FIGS. 7 to 9 It includes a support portion 20 and further includes a dielectric portion 600 .
  • the first antenna 30 and the second antenna 40 as shown in FIG. 7 are disposed on the upper side of the ground portion 20 .
  • Transmitting and receiving conductive parts (100, 200, 400, 500), transmitting and receiving wings 300 and parts for the power supply pin 25 are as described above with reference to FIGS. 4 and 5, so they can be replaced with those described above.
  • the display of the coaxial line is omitted.
  • the dielectric unit 600 is located on the upper side of the ground unit 20, and as shown in FIG. 10, the transmitting and receiving conductive units 100, 200, 400, and 500 or the transmitting and receiving wings 300 are embedded in a form embedded.
  • the power supply pin 25 may also be formed in a form embedded in the dielectric unit 600 .
  • the aforementioned dummy pin 23 may also be formed in a form embedded in the dielectric unit 600 .
  • a form in which all of the transmitting and receiving wings 300 are buried inside the dielectric unit 600 so that the transmission and reception wings 300 are not exposed is also possible.
  • FIG. 13 is a gain comparison graph of a simulation test of a conventional vertically stacked square patch dual-band antenna and a dual-band antenna module according to the present invention for L1 band (1.5754 GHz)
  • FIG. 14 is a gain comparison graph for L5 band (1.17645 GHz) It is a gain comparison graph of a simulation test of the vertical stacked square patch dual-band antenna and the dual-band antenna module of the present invention.
  • black indicates results of the conventional dual-band antenna
  • red indicates simulation results of the dual-band antenna module according to the present invention.
  • the conventional dual-band antenna is a dual-band antenna in which an L1 band simple planar square patch antenna and an L5 band simple planar square patch antenna are vertically stacked.
  • FIG. 15 is a perspective view schematically showing an antenna of an antenna module according to another embodiment of the present invention
  • FIG. 16 is a side view schematically showing an antenna of an antenna module according to another embodiment of the present invention
  • FIG. 18 is a perspective view schematically showing a part of an antenna module according to another embodiment of the present invention
  • FIG. 19 is an antenna according to another embodiment of the present invention. It is a side view schematically showing a part of the module.
  • An antenna module according to another embodiment of the present invention includes a grounding unit and an antenna, but the antenna includes a transmission/reception conductive unit and a transmission/reception wing unit.
  • the antenna of the antenna module according to another embodiment of the present invention will be described with reference to FIGS. 15 to 19 .
  • the antenna includes a transmit/receive conductive unit 100 and a transmit/receive wing unit 300 .
  • a coupling part 350 may be further included.
  • the transmit/receive conductor 100 has a predetermined length and is spaced apart from the ground part 20, but has a shape in which the spaced distance from the ground part 20 is minimized at one end and the other end.
  • the transmitting/receiving unit 100 has a distance D1 from one side end to the other side end that is shorter than the total length from one side end to the other side end, and it can be said that one side end and the other side end have an arrangement form close to the grounding part. there is.
  • the distance between the transmission and reception conductive part 100 is minimized at one end and the other end
  • the distance between the ground part 20 and the other end is 'consisting of an arch shape or a height part 110 and a horizontal part 150'
  • an inclined surface portion 130 having an inclined surface between the height portion 110 and the horizontal portion 150 may also have a form provided.
  • a shape consisting of only two inclined surface portions 130 in the same shape as the two sides of a triangle is also sufficiently possible.
  • the height H1 of the transmitting/receiving conducting unit 100 is the vertical distance from one end or the other end to the highest part of the transmitting/receiving conducting unit 100, and from one end to the other end of the transmitting/receiving conducting unit 100. It may be set according to the frequency band to be corresponded to the transmission/reception unit 100 together with the distance D1 of .
  • the total length of the transmitting/receiving unit 100 may be determined according to the first frequency band in which the transmitting/receiving unit 100 transmits/receives. there is.
  • the first frequency band is any one of the L1 band (1.5754 GHz), L2 band (1.2276 GHz), L3 band (1.38105 GHz), L4 band (1.379913 GHz), and L5 band (1.17645 GHz), for example, of the GPS system. It may be a frequency band of.
  • the transmitting/receiving unit 100 may be made of a conductor.
  • the transmission/reception unit 100 may radiate radio waves in space according to electrical signals transmitted from the outside.
  • the transmission/reception unit 100 can receive radio waves transmitted in space, and the received radio waves are electrical signals provided in the grounding unit 20 via one or the other end of the transmission/reception unit 100. is forwarded to
  • the coupling unit 350 which may be provided at one end or the other end of the transmission/reception unit 100, may have various forms for impedance matching with a power supply unit provided at the ground unit 20.
  • the coupling unit 350 may be provided as needed to adjust the amount of coupling with the power supply unit provided on the ground unit 20 side, and may improve the ease of power supply.
  • the coupling unit 350 has a shape parallel to the top surface of the ground unit 20 or has a shape that is inclined at a predetermined angle with respect to the longitudinal direction of the transmission/reception conductive unit 100 and extended.
  • an electrical signal may be transmitted to a power supply unit provided on the grounding unit 20 through the coupling unit 350 provided at one end and the other end of the transmission/reception unit 100 .
  • an electrical signal may be received from a power supply unit provided in the ground unit 20 through the coupling unit 350 .
  • the coupling unit 350 is connected to one end or the other end of the transmission/reception unit 100, and a power supply pad provided on the side of the ground unit 20 so that power can be easily fed to the transmission/reception unit 100 It is coupled with the same power supply means.
  • the coupling unit 350 receives a current, voltage, or electrical signal transmitted through the microstrip power supply pad 25, which is a power supply means provided on the side of the ground unit 20, and transfers it to the transmitting/receiving unit 100.
  • the microstrip power supply pad 25 and the coupling part 350 are spaced apart, and an indirect power supply method may be used as a method of transmitting power to the coupling part 350 through the microstrip power supply pad 25.
  • the transmitting and receiving wing unit 300 has a predetermined length, and extends in a direction perpendicular to the longitudinal direction of the transmitting and receiving unit 100 or in a direction parallel to the upper surface of the ground unit 20, and the transmitting and receiving unit ( 100) is connected to one end or the other end.
  • Transmitting and receiving wings 300 are also preferably spaced apart at a predetermined interval upward from the reference horizontal plane.
  • the length of the transmitting and receiving wing unit 300 may be set during manufacture according to the corresponding frequency band, and fine adjustment for the frequency of the first frequency band is possible through the setting of the length of the transmitting and receiving wing unit 300.
  • the transmission/reception wing 300 may have the shape of an arc having a center point CP as a vertex, which is half of the distance from one end to the other end of the transmission/reception conduction unit 100 when viewed in plan view.
  • the transmission/reception wing unit 300 is not limited to the shape of an arc centered on the center point (CP), and may have a straight line shape at least in part.
  • the straight shape is a straight line when viewed from a plan view, and is a flat surface with an arbitrary width when viewed from the side.
  • the transmit/receive wing unit 300 is connected to the transmit/receive conductive unit 100 in the center and has a symmetrical shape on both sides with the transmit/receive conductive unit 100 as the center, as referenced in the drawings.
  • reference numeral A denotes an angle between one end and the other end of the transmitting and receiving wing 300 with the center point CP as the center.
  • Transmitting and receiving wings 300 may be provided in a form connected to one side and the other side of the transmitting and receiving conductive unit 100, respectively, as shown in the drawing.
  • the transmitting and receiving wings 300 provided on one side and the other side of the transmitting and receiving conducting unit 100 form a symmetrical shape with the center point CP therebetween.
  • the transmitting and receiving conductive unit 100 and the transmitting and receiving wing unit 300 as described above are included in the antenna, and a coupling unit 350 may be further included.
  • the antenna including the transmit/receive conductive unit 100, the transmit/receive wing unit 300, and the coupling unit 350 are disposed spaced apart on one side of the ground unit 20.
  • the grounding unit 20 has a micro-strip power supply pad 25 provided on one side thereof as a power supply means.
  • the microscrip power supply pad 25 is electrically connected to the coaxial line 27.
  • the coaxial line 27 may be connected to the side of the external electronic device.
  • a spaced gap (G1) is provided between the microscrip power supply pad 25 and the coupling unit 350, and as mentioned above, the transmission and reception conduction unit 100 or the transmission and reception wing Power or electrical signals may be transmitted to the unit 300 .
  • An indirect power supply method is performed while maintaining the spaced distance (G1) between the transmitting/receiving conductive unit 100 and the micro-strip power supply pad 25, and it can help the transmitting/receiving conductive unit 100 maintain its shape on the ground unit 20.
  • a dielectric unit 600 may be further provided, and the dielectric unit 600 will be described later with reference to FIGS. 24 to 26 .
  • the antenna includes a plurality of transmit/receive conductors, and the description of this form will be continued with further reference to FIG. 20 .
  • the antenna may include two transmit/receive conductors. That is, as shown in FIG. 20, the antenna includes a first transmit/receive conductor 100 and a second transmit/receive conductor 200.
  • the first transmit/receive unit 100 is the same as the previously described transmit/receive unit, and may be referred to as the first transmit/receive unit 100 for convenience in order to distinguish it from the second transmit/receive unit 200.
  • the second transmission/reception unit 200 is substantially the same as the first transmission/reception unit 100 described above. However, a partially stepped portion may be provided in the horizontal portion 250 of the second transmission/reception conductor 200 so that the second transmission/reception conductor 200 does not come into direct physical contact with the first transmission/reception conductor 100. There is a slight difference in that there is
  • the height portion 210 and the inclined surface portion 230 of the second transmission/reception conductive unit 200 are the same as the description of the height portion 110 and the inclined surface portion 130 of the transmission/reception conductive portion previously described with reference to FIGS. 15 to 17. . Since the second transmission/reception unit 200 is also basically the same as the above-described transmission/reception unit, the same parts will be replaced with those described above in order to avoid repeated description. However, since the arrangement relationship between the first transmit/receive unit 100 and the second transmit/receive unit 200 has not been described above, it will be described.
  • the second transmit/receive unit 200 has a predetermined length and is spaced apart from the upper side of the ground unit 20, but the distance from the ground unit 20 is the minimum at one end and the other end. It has a form, and the longitudinal direction is disposed in a direction perpendicular to or crossed with respect to the longitudinal direction of the first transmission/reception conductive unit 100. In this way, the first transmission/reception unit 100 and the second transmission/reception unit 200 are arranged so that the longitudinal direction of the second transmission/reception unit 200 is placed in a direction perpendicular to or crossed with the longitudinal direction of the first transmission/reception unit 100. If the arrangement relationship is set, the polarization of radio waves transmitted and received from the antenna can be formed in a linear or circular shape by adjusting the phase of the signal supplied.
  • the antenna shown in FIG. 6 is referred to as the first antenna 30 corresponding to the first frequency band, and a form in which a second antenna corresponding to the second frequency band is further provided is also possible, and FIGS. 21 to 23 Reference will be made to explain.
  • FIG. 21 is a perspective view schematically showing a first antenna and a second antenna of an antenna module according to another embodiment of the present invention
  • FIG. 22 is a perspective view showing a first antenna and a second antenna of an antenna module according to another embodiment of the present invention
  • 23 is a schematic plan view
  • FIG. 23 is a side view schematically illustrating a first antenna and a second antenna of an antenna module according to another embodiment of the present invention.
  • the antenna module according to another embodiment of the present invention may further include a second antenna 40.
  • the second antenna 40 is the antenna corresponding to the second frequency band.
  • the second frequency band is a frequency band different from the first frequency band, and in the GPS system, for example, L1 band (1.5754 GHz), L2 band (1.2276 GHz), L3 band (1.38105 GHz), L4 band (1.379913 GHz) and L5 band (1.17645 GHz).
  • the first antenna 30 may be an antenna operating in correspondence with the L1 band (1.5754 GHz) and the second antenna 40 may be an antenna operating in correspondence with the L5 band (1.17645 GHz).
  • the second antenna 40 is supported by the grounding unit 20, has a predetermined length, and is spaced apart from the upper side of the grounding unit 20, but the distance from the grounding unit 20 is one end and the other.
  • the third transmission/reception conductor 400 having a minimum shape at the side end and having a predetermined length, in a direction perpendicular to the longitudinal direction of the third transmission/reception conductor 400 or in a direction parallel to the grounding unit 20 It includes a transmitting and receiving wing 300 connected to one end or the other end of the third transmitting and receiving conductive unit 400 in an extended form. And, the coupling part 350 as described above may also be further included.
  • This third transmit/receive unit 400 is substantially the same as the description of the first transmit/receive unit 100 described above, and can be replaced with the one described above.
  • the third transmission/reception unit 400 is also referred to as a transmission/reception unit and is distinguished from the first transmission/reception unit 100 described above for convenience of understanding.
  • Transmitting and receiving wing unit 300 is also the same as the description of the transmitting and receiving wing unit 300 described above, and may be replaced with the one described above.
  • the fourth transmission/reception unit 500 may be the same as the description of the second transmission/reception unit 200 described above, and may be replaced with the description of the second transmission/reception unit 200 described above.
  • the arrangement between the third transmit/receive unit 400 and the fourth transmit/receive unit 500 is between the first transmit/receive unit 100 and the second transmit/receive unit 200 described above with reference to FIG. 20. It can be said that it is the same as the layout type.
  • the fourth transmit/receive unit 500 has a predetermined length and is spaced apart from the upper side of the ground unit 20, but has a shape in which the distance away from the ground unit 20 is minimized at one end and the other end, and has a length direction It is preferable to arrange in a direction perpendicular or staggered with respect to the longitudinal direction of the third transmit/receive unit 400 .
  • the second antenna 40 including the third transmit/receive unit 400 and the fourth transmit/receive unit 500 is disposed above the first antenna 30 as referred to in FIG. 21 or the first antenna 30 ) can be said to be disposed outside or inside of.
  • the coupling unit 350 connected to the third transmission/reception unit 400 or the fourth transmission/reception unit 500 of the second antenna 40 is the coupling unit 350 of the first antenna 30 as referenced in FIG. ) can be placed at a relatively low position compared to That is, the coupling part 350 of the second antenna 40 may be disposed relatively closer to the upper side of the ground part 20 than the coupling part 350 of the first antenna 30. .
  • the antenna module 10 in which the first antenna 30 and the second antenna 40 are disposed on the ground portion 20 and coupled to the dielectric portion 600 is shown in FIGS. 24 to 26 .
  • FIG. 24 is a perspective view schematically showing an antenna module according to another embodiment of the present invention
  • FIG. 25 is a plan view schematically showing an antenna module according to another embodiment of the present invention
  • FIG. It is a side view schematically showing the antenna module according to.
  • the antenna module 10 is in contact with the first antenna 30 and the second antenna 40 described above with reference to FIGS. 21 to 23 It includes a support portion 20 and further includes a dielectric portion 600 .
  • the first antenna 30 and the second antenna 40 as shown in FIG. 21 are disposed on the upper side of the ground portion.
  • microstrip power supply pad which is a power supply means provided in the ground unit 20, and the coupling unit 350, and power is fed in an indirect power supply method between the coupling unit 350 and the microstrip power supply pad.
  • the parts for the coupling part 350 and the microstrip feeding pad 25 have been described with reference to FIGS. 18 and 19, they can be replaced with those described above.
  • the microstrip feeding pad 25 corresponding to each coupling part 350 is independently on the ground part 20. It may be provided separately and, if necessary, may be provided in a common form. For reference, in FIGS. 24 to 26, the display of the coaxial line is omitted.
  • the dielectric unit 600 is located on the upper side of the ground unit 20, and as referenced in FIG. 24, the transmission/reception conductive unit or transmission/reception wing unit 300 is embedded in a buried form.
  • the coupling part 350 may also be formed in the form of being embedded in the dielectric part 600 .
  • a part of the transmit/receive wing 300 of the first antenna 30 inherent in the dielectric unit 600 or a portion of the transmit/receive wing 300 of the second antenna 40 Some parts may protrude from the dielectric part 600 and have an exposed shape.
  • a form in which all of the transmitting and receiving wings 300 are buried inside the dielectric unit 600 so that the transmission and reception wings 300 are not exposed is also possible.
  • the dielectric unit 600 assists indirect power feeding between the coupling unit 350 and the microstrip feeding pad 25, and the first antenna 30 and the second antenna 40 on the upper surface of the ground unit 20 ) to maintain its shape.
  • the antenna module according to the embodiment of the present invention has a three-dimensional structure, the radiation gain for multi-frequency bands is increased, and since efficient use of space is possible, design freedom is guaranteed and performance improvement is easy. .
  • grounding part 23 dummy pin
  • feed pin 27 coaxial line
  • first transmission/reception unit 200 second transmission/reception unit

Landscapes

  • Waveguide Aerials (AREA)

Abstract

La présente invention concerne un module d'antenne. Selon la présente invention, le module d'antenne comprend : une partie de mise à la terre ; et une première antenne qui est disposée sur un côté de la partie de mise à la terre et transmet/reçoit des ondes radio dans une première bande de fréquences, la première antenne comprenant : une partie conductrice d'émission/réception qui a une longueur donnée, est disposée au-dessus de la partie de mise à la terre tout en étant espacée de celle-ci, et a une forme dans laquelle l'espacement à partir de la partie de mise à la terre est minimal au niveau d'une extrémité et l'autre extrémité de celle-ci ; et une partie aile d'émission/réception qui a une forme s'étendant dans une direction parallèle à la partie de mise à la terre et qui est reliée à une extrémité ou à l'autre extrémité de la partie conductrice d'émission/réception. En conséquence, l'invention concerne une technologie qui peut augmenter le gain de rayonnement pendant un fonctionnement multibande.
PCT/KR2022/007633 2021-06-18 2022-05-30 Module d'antenne Ceased WO2022265261A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2021-0079222 2021-06-18
KR20210079222 2021-06-18
KR1020210158217A KR102539987B1 (ko) 2021-06-18 2021-11-17 안테나 모듈
KR10-2021-0158217 2021-11-17

Publications (1)

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WO2022265261A1 true WO2022265261A1 (fr) 2022-12-22

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PCT/KR2022/007633 Ceased WO2022265261A1 (fr) 2021-06-18 2022-05-30 Module d'antenne

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WO (1) WO2022265261A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030007716A (ko) * 2000-05-31 2003-01-23 배 시스템즈 인포메이션 앤드 일렉트로닉 시스템즈 인티크레이션, 인크. 협대역, 교차 요소, 오프셋-동조된 이중 대역, 이중 모드굽은 선 부하 안테나
KR101302580B1 (ko) * 2013-04-01 2013-09-03 충남대학교산학협력단 역 l 형과 t 형 무급전 소자를 이용한 소형 다중대역 마이크로스트립 안테나
US20190036220A1 (en) * 2017-07-25 2019-01-31 Apple Inc. Millimeter Wave Antennas Having Cross-Shaped Resonating Elements
CN109994828A (zh) * 2019-03-06 2019-07-09 上海微波技术研究所（中国电子科技集团公司第五十研究所） 一种宽带缝隙耦合天线
CN112003007A (zh) * 2020-07-16 2020-11-27 中山大学 一种基于加载短路钉的风车型印刷Alford环天线

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030007716A (ko) * 2000-05-31 2003-01-23 배 시스템즈 인포메이션 앤드 일렉트로닉 시스템즈 인티크레이션, 인크. 협대역, 교차 요소, 오프셋-동조된 이중 대역, 이중 모드굽은 선 부하 안테나
KR101302580B1 (ko) * 2013-04-01 2013-09-03 충남대학교산학협력단 역 l 형과 t 형 무급전 소자를 이용한 소형 다중대역 마이크로스트립 안테나
US20190036220A1 (en) * 2017-07-25 2019-01-31 Apple Inc. Millimeter Wave Antennas Having Cross-Shaped Resonating Elements
CN109994828A (zh) * 2019-03-06 2019-07-09 上海微波技术研究所（中国电子科技集团公司第五十研究所） 一种宽带缝隙耦合天线
CN112003007A (zh) * 2020-07-16 2020-11-27 中山大学 一种基于加载短路钉的风车型印刷Alford环天线

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