WO2017183934A1 - Module d'antenne à trois axes et système d'entrée sans clé comprenant celui-ci - Google Patents

Module d'antenne à trois axes et système d'entrée sans clé comprenant celui-ci Download PDF

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Publication number
WO2017183934A1
WO2017183934A1 PCT/KR2017/004263 KR2017004263W WO2017183934A1 WO 2017183934 A1 WO2017183934 A1 WO 2017183934A1 KR 2017004263 W KR2017004263 W KR 2017004263W WO 2017183934 A1 WO2017183934 A1 WO 2017183934A1
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WO
WIPO (PCT)
Prior art keywords
main body
coil
antenna module
axis
thickness
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/KR2017/004263
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English (en)
Korean (ko)
Inventor
우봉식
김철한
주현태
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amogreentech Co Ltd
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Amogreentech Co Ltd
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
Priority claimed from KR1020160123461A external-priority patent/KR20170120479A/ko
Application filed by Amogreentech Co Ltd filed Critical Amogreentech Co Ltd
Publication of WO2017183934A1 publication Critical patent/WO2017183934A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
    • B60R25/34—Detection related to theft or to other events relevant to anti-theft systems of conditions of vehicle components, e.g. of windows, door locks or gear selectors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/14—Specially controlled locking actions in case of open doors or in case of doors moved from an open to a closed position, e.g. lock-out prevention or self-cancelling
    • E05B77/18—Keyless locking with self-cancellation, e.g. resulting in an unlocking action when the door is being closed
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

Definitions

  • the present invention relates to a three-axis antenna module and a keyless entry system including the same.
  • the keyless entry system is a system for releasing the door lock without the operation of a separate key or a remote controller. When the driver holds the key, the key is automatically unlocked while the key and the electronic authentication device inside the vehicle are authenticated.
  • the antenna module used in the keyless entry system is generally implemented in a form in which a coil is wound around a rod-shaped ferrite core, and a plurality of antenna modules are mounted at predetermined positions.
  • the receiving antenna of the smart key is composed of a single antenna coil
  • the communication distance distance to receive data from the vehicle side
  • the communication distance becomes extremely short or worst depending on the direction of the magnetic field generated by the transmitting antenna of the vehicle. In this case, there was a problem that communication did not work.
  • the reception antenna embedded in the smart key has the best reception sensitivity when the axial direction of the antenna coil and the magnetic field generated by the transmission antenna of the vehicle are parallel, and the reception sensitivity is deteriorated when they are orthogonal to each other.
  • the receiving antenna is configured through a plurality of antenna coils
  • the installation space of the receiving antenna can be increased. Therefore, when the plurality of antenna coils are approached and arranged in a confined space such as a smart key, communication performance can be reduced by mutual interference between these antenna coils. There is a problem that can be degraded.
  • the present invention has been made in view of the above, and an object thereof is to provide a three-axis antenna module and a keyless entry system including the same capable of realizing a thinning in a forward direction.
  • the three coils are arranged around each of the X axis, Y axis and Z axis orthogonal to each other, made of a material having a magnetic material, the first winding around the X axis At least one accommodating space for accommodating the thickness of the one coil and the second coil wound around the Y axis, the magnetic core supporting the third coil wound along the circumferential direction around the Z axis; And a plurality of terminals formed on at least one surface of the magnetic core for electrical connection with the outside.
  • the magnetic core may further include a main body supporting the first coil and the second coil; And a plurality of guide parts formed integrally with the main body and spaced apart along the circumferential direction of the main body, wherein the guide parts may protrude from the main body so as to surround the top, side, and bottom surfaces of the main body.
  • the guide portion may include a wing portion formed to extend outward in a direction parallel to the XY plane on the lower side.
  • the guide portion includes another wing portion extending outward in a direction parallel to the XY plane on the upper side, the third coil is wound in the receiving space formed between the other wing portion, the side of the guide portion and the wing portion Can be arranged.
  • the plurality of terminals may be formed on a bottom surface of the guide part.
  • the upper and lower surfaces of the main body is formed in a horizontal plane, the first coil and the second coil disposed to be orthogonal to each other on the upper and lower surfaces of the main body is accommodated by the thickness of the protrusion of the guide portion protruding from the main body Can be.
  • the protrusion thickness of the guide portion protruding from the top and bottom surfaces of the main body may be formed to have a size equal to or greater than the thickness of the winding thickness of the first coil and the winding thickness of the second coil.
  • the main body includes a protrusion that protrudes to surround the top, side, and bottom of the main body between a pair of guide parts spaced apart along the Y-axis direction, wherein the first coil includes The coil may be wound to directly contact the upper surface, the side surface, and the bottom surface, and the second coil may be wound to directly contact the side surface of the protrusion and the main body.
  • the protrusion thickness of the protrusion protruding from the main body may have a size smaller than the protrusion thickness of the guide unit protruding from the main body.
  • the above-described three-axis antenna module may be embedded in a smart key or embedded in a portable terminal, or may be embedded in a wearable device such as a smart watch.
  • the above-described three-axis antenna module among a receiver and a transmitter constituting a keyless entry system may be embedded in the receiver to implement a keyless entry system.
  • three coils each of which are wound in three axes, are directly supported by the magnetic core to increase electrical characteristics.
  • the present invention can implement a thinning by receiving the thickness of the coil through the receiving space. Through this, it is possible to apply to light and thin handheld terminal.
  • FIG. 1 is a schematic diagram showing a three-axis antenna module according to an embodiment of the present invention
  • FIG. 2 is a view of FIG. 1 viewed from the bottom;
  • FIG. 3 is a view illustrating one form of a magnetic core that may be applied to FIG. 1;
  • FIG. 4 is a partial cutaway view of FIG.
  • FIG. 5 is a conceptual diagram for explaining a region relationship between a main body, a guide part, and a wing part in FIG. 4;
  • FIG. 5 is a conceptual diagram for explaining a region relationship between a main body, a guide part, and a wing part in FIG. 4;
  • FIG. 6 is a view showing another form of the magnetic core that can be applied to Figure 1,
  • FIG. 7 is a partial cutaway view of FIG. 6, FIG.
  • FIG. 8 is a conceptual view illustrating a region relationship of a main body, a guide part, a protrusion part, and a wing part in FIG. 7;
  • FIG. 9 is a schematic diagram showing a three-axis antenna module according to another embodiment of the present invention.
  • FIG. 10 is a view of FIG. 9 from the bottom
  • FIG. 11 is a view illustrating one form of a magnetic core that may be applied to FIG. 9;
  • FIG. 12 is a partial cutaway view of FIG. 11;
  • FIG. 13 is a conceptual view illustrating a region relationship of a main body, a guide part, and a wing part in FIG. 12;
  • FIG. 15 is a partial cutaway view of FIG. 14;
  • FIG. 16 is a conceptual view for explaining a region relationship of a main body, a guide part, a protrusion part, and a wing part in FIG. 15;
  • FIG. 17 is an exemplary view showing a state in which a three-axis antenna module according to the present invention is applied to a smart key, and,
  • FIG. 18 is an exemplary view showing a state in which the three-axis antenna module according to the present invention is applied to a portable terminal.
  • the triaxial antenna module 100, 200, 300, 400 includes a plurality of coils 111, 112, 113, magnetic cores 120, 220, 320, 420, and terminals 130 as shown in FIGS. 1 and 9.
  • the coil is for performing wireless communication using a predetermined frequency band, and may be provided in plurality.
  • the coil may include a first coil 111, a second coil 112, and a third coil 113.
  • the three coils may be disposed to surround the magnetic cores 120, 220, 320, and 420, and are wound in the magnetic cores 120, 220, 320, and 420 about the X, Y, and Z axes that are orthogonal to each other. Can be.
  • the first coil 111 may be wound a plurality of times around an X axis
  • the second coil 112 may be wound a plurality of times around a Y axis
  • the third coil 113 may be Z. It may be wound around a shaft a plurality of times.
  • the three-axis antenna module (100, 200, 300, 400) according to the present invention is arranged so that the three coils (111, 112, 113) orthogonal to each other around the magnetic core (120, 220, 320, 420) is always in a stable state regardless of the inflow direction of the signal transmitted from the outside A wireless signal can be received.
  • the plurality of coils 111, 112, and 113 may be enameled wires having enamel insulation formed on the outside of a copper wire having a predetermined wire diameter, but are not limited thereto. It is noted that this is possible and all known coils used for wireless communication can be applied.
  • the magnetic cores 120, 220, 320, and 420 are disposed inside three coils 111, 112, and 113 that are wound in directions perpendicular to each other to support the three coils 111, 112, and 113 so that the three coils are always vertically disposed. .
  • the magnetic cores 120, 220, 320, and 420 may be made of a material having magnetic properties to perform the role of the inductor core.
  • the magnetic cores 120, 220, 320, and 420 may be sintered ferrites such as Mn-Zn, Ni-Zn, and Ni-Cu-Zn, but are not limited thereto. Dust cores may be used, and amorphous or nanocrystalline structures may be used. It should be noted that any soft material may be used and any known material may be used as long as it is a material having magnetic properties to form an inductor core.
  • the three-axis antenna module (100, 200, 300, 400) according to the present invention may be wound on the magnetic core (120, 220, 320, 420) so that three coils disposed perpendicular to each other directly contact the magnetic core (120, 220, 320, 420). Accordingly, the three coils 111, 112, and 113 are all disposed in direct contact with the magnetic material, thereby improving electrical characteristics of the coils.
  • the three-axis antenna module (100, 200, 300, 400) reduces the overall thickness by accepting the thickness of the first coil 111 and the second coil 112 or the winding thickness of the coil wound on the magnetic core (120, 220, 320, 420) Thinning can be achieved.
  • the three-axis antenna module (100, 200, 300, 400) according to the present invention can realize the thinning by accepting the thickness of the coils while winding each coil directly in contact with the magnetic core (120,220,320,420) can simultaneously increase the electrical characteristics of the coils.
  • the magnetic core (120,220,320,420) is formed integrally with the main body 121 and the main body 121, as shown in Figs. 3, 6, 11 and 14 and the edge side of the main body 121 It may include a plurality of guide portion 122 spaced apart in the circumferential direction.
  • the main body 121 may be formed in a substantially rectangular parallelepiped shape, and the plurality of guide parts 122 may be formed at corners of the main body 121, respectively.
  • the shape of the magnetic cores 120, 220, 320, and 420 is not limited thereto, and the body 121 may have a shape of a disc or a cylinder having a predetermined thickness, and the plurality of coils may be wound in a state perpendicular to each other. Note that the shape can be changed in various ways.
  • the plurality of guide portions 122 simultaneously the top, side and bottom surfaces of the main body 121 at four corners of the main body 121 as shown in FIGS. 4, 7, 12, and 15. It may be formed to have a cross-section having a substantially 'C' shape so as to surround, and may be formed to protrude to a predetermined thickness from the top, side and bottom of the main body 121, respectively.
  • the top and bottom surfaces of the main body 121 may be formed as a step surface with the top and bottom surfaces of the guide portion 122, respectively, the side of the main body 121 and the side of the guide portion 122 It may be formed in stepped surface with each other. Accordingly, the magnetic cores 120, 220, 320, and 420 have accommodation spaces S1 for accommodating the thicknesses of the first coil 111 and / or the second coil 112 on the top and four sides and the bottom of the body 121. , S2, S3, S4 may be formed respectively.
  • the protrusion thicknesses t1 and t2 of portions of the guide portion 122 protruding from the top and bottom surfaces of the main body 121 are the winding thicknesses of the first coils 111 wound around the magnetic cores 120, 220, 320, and 420.
  • the winding thickness of the second coil 112 may have a size equal to or greater than the thickness of the sum of the winding thicknesses.
  • the protrusion thickness t1 of the portion of the guide portion 122 protruding from the upper surface of the main body 121 may have the same size as the protrusion thickness t2 of the portion protruding from the bottom surface of the main body 121. It may be of different sizes.
  • the protrusion thickness t3 of the portion of the guide portion 122 protruding from the side surface of the main body 121 in a direction parallel to the X-axis direction is the same as the thickness or winding thickness of the second coil 112. It may have a larger or larger size
  • the protrusion thickness (t4) of the portion of the guide portion 122 protruding in a direction parallel to the Y-axis direction from the side of the main body 121 is the first coil 111 It may have the same size as or larger than the thickness or winding thickness.
  • the first coil 111 is wound around the X axis to surround the top, side, and bottom of the main body 121, and the first coil 111 is wound around the Y axis to surround the top, side, and bottom of the main body 121.
  • a part of the second coil 112 may be stacked in a direction perpendicular to the upper portion of the first coil 111 on the upper and lower surfaces of the main body 121, the main body
  • the thicknesses or winding thicknesses of the first coil 111 and the second coil 112 wound on the 121 are protruding thicknesses t1, t2, t3, and t4 of the guide part 122 protruding from the main body 121.
  • the first coil 111 and the second coil 112 wound around the main body 121 may not protrude outward from the top, side, and bottom surfaces of the guide part 122.
  • the magnetic cores 120, 220, 320, and 420 applied to the present invention may have the top and bottom surfaces of the main body 121 formed in a horizontal plane, as shown in FIGS. 3 and 11, but as shown in FIGS. 6 and 14.
  • the top and bottom surfaces of the main body 121 may be formed as stepped surfaces.
  • the main body 121 has a predetermined thickness t11 and t21 from at least one of the upper and lower surfaces of the main body 121 between the pair of guide parts 122 spaced apart along the Y-axis direction.
  • Protrusions 123a and 123b may be formed.
  • the protrusions 123a and 123b may have a predetermined length in a direction parallel to the Y-axis direction, and may be provided as a pair formed integrally on the upper and lower surfaces of the main body 121.
  • the protrusion thicknesses t11 and t21 of the protrusions 123a and 123b protruding from the top and bottom surfaces of the main body 121 are projected from the guide portions 122 protruding from the top and bottom surfaces of the main body 121, respectively. It may have a size relatively smaller than the thickness (t1, t2). In addition, the protrusion thicknesses t11 and t21 of the protrusions 123a and 123b protruding from the top and bottom surfaces of the main body 121 may have the same size or relative to the thickness or winding thickness of the first coil 111.
  • the step height (t12, t22) between one surface of the protrusions (123a, 123b) perpendicular to the Z-axis direction and the upper and lower surfaces of the guide portion 122 is the second coil It may be formed to have approximately the same size as the thickness or winding thickness of 112 or have a relatively larger size.
  • the receiving spaces S5 and S6 defined by the protrusions 123a and 123b and the guide portion 122 are formed between the pair of guide portions 122 spaced apart along the Y-axis direction.
  • the second coil 112 may accommodate the thickness of the two coils 112 or the winding thickness, and the second coils 112 wound around the magnetic cores 120, 220, 320, and 420 around the Y axis may be formed on one surface of the protrusions 123a and 123b and the body 121. It can be wound to directly contact the side.
  • the amount of the magnetic material constituting the magnetic cores 220 and 420 is increased as compared with the upper and lower surfaces of the main body 121 to form a horizontal surface, thereby further improving the electrical characteristics, and the protrusion 123a. , 123b may serve as a reinforcing rib to reinforce the strength of the body 121, thereby improving structural strength of the magnetic cores 220 and 420.
  • the protrusions 123a and 123b are formed on the upper and lower surfaces of the main body 121, respectively, but are not limited thereto.
  • the protrusions 123a and 123b may be the main body 121. It may be formed only on one surface of the upper and lower surfaces of.
  • the step height t12 between one surface of the protrusions 123a and 123b perpendicular to the Z axis and the top surface of the guide part 122 may include one surface of the protrusions 123a and 123b perpendicular to the Z axis and the guide part ( It may have the same size as the step height t22 between the bottom of the 122, or may have a different size.
  • the plurality of guide parts 122 support the third coil 113 wound around the Z axis along the circumferential direction of the magnetic cores 120, 220, 320, and 420, specifically, the body 121.
  • the receiving spaces S1, S2, S3, S4, S5 and S6 for accommodating the thicknesses of the first coil 111 and the second coil 112.
  • the plurality of guides 122 may be spaced apart along the circumferential direction of the main body 121 as described above, and the main body (B) may simultaneously surround the top, side, and bottom of the main body 121. 121 may be protruded.
  • the plurality of guide parts 122 may be formed at four corners of the main body 121, respectively, and protrude outward from the main body 121.
  • the third coil 113 when the third coil 113 is wound to simultaneously surround the plurality of guide parts 122 around the Z axis, the third coil 113 is wound to directly contact the side surface of the guide part 122.
  • the first coil 111 and the second coil 112 wound around the main body 121 may be perpendicular to each other.
  • each guide portion 122 is formed to protrude a predetermined thickness from the top, bottom and side of the main body 121 to the outside so that the first coil 111 is wound orthogonal to each other on the side of the main body 121 and Receiving spaces S3 and S4 for accommodating any one of the winding thicknesses of the second coil 112 may be formed, respectively.
  • the receiving space defined by the protruding portion of the guide portion 122 protruding in the X-axis direction and the side of the main body 121 in the side of the side of the main body 121 is disposed in the direction perpendicular to the X-axis (S3) may be formed, the protruding portion of the guide portion 122 protruding in the Y-axis direction and the side of the main body 121 on the side of the side of the main body 121 is disposed in the direction perpendicular to the Y-axis
  • the accommodation space S4 defined by the can be formed.
  • the thickness of the first coil 111 disposed on the side surface of the main body 121 among the first coils 111 wound around the main body 121 about the X axis is accommodated by the accommodation space S4.
  • the thickness of the second coil 112 disposed on the side surface of the main body 121 among the second coils 112 wound around the main body 121 about the Y axis may be defined by the accommodation space S3. Can be accommodated.
  • the total thickness of each coil (111, 112, 113) wound on the magnetic core 120 may be a wire diameter of the coil (111, 112, 113) itself, each coil 111, 112, 113 along the magnetic core 120 When winding to overlap a plurality of layers may be the total thickness of the wound coil.
  • the guide portion 122 may include at least one wing portion (122a, 122b) extending in a predetermined length from the side portion to the outside in a direction parallel to the XY plane.
  • the wing portions 122a and 122b support the one surface of the third coil 113 wound on the magnetic cores 120, 220, 320 and 420 around the Z axis so that the third coil 113 is separated from the magnetic cores 120, 220, 320 and 420. Can be prevented.
  • the wing parts 122a and 122b may be made of a magnetic material similarly to the main body and the wing part to improve the electrical characteristics of the third coil 113 by limiting the moving direction of the magnetic field induced in the third coil 113. Can be.
  • the wings 122a and 122b may have a size extending from the guide 122 and having a size equal to or larger than the thickness or winding thickness of the third coil 113 wound around the Z axis. have.
  • Such wings may be provided as one, or may be provided in a pair spaced apart from each other along the height direction of the guide portion 122.
  • the wing portion 122a may be provided as one, as shown in FIGS. 1 to 8, and may be formed to extend outward from the lower side of the guide portion 122. Accordingly, the wing portion 122a may prevent the third coil 113 from being separated from the magnetic cores 120 and 220 by supporting the side or the side of the third coil 113 wound around the Z axis. Electrical characteristics of the third coil 113 may be improved.
  • the magnetic cores 120 and 220 may be easily separated or taken out from the mold in the process of manufacturing the magnetic cores 120 and 220. Productivity can be increased.
  • the wing portion 122a is formed on the lower side of the guide portion 122 and the magnetic core (120,220)
  • the bonding force with the circuit board can be improved. That is, when the terminal 130 is formed to include the bottom surface of the guide portion 122 and the bottom surface of the wing portion 122a, the formation area and the length of the terminal 130 may be increased, thereby providing a circuit board 12. It is possible to simultaneously improve the stability and bonding strength of the electrical connection with the.
  • the wing portion when the wing portion is provided with one shown as extending from the lower side of the guide portion 122, but not limited to this, may extend from the upper side of the side of the guide portion 122 or the guide portion Note that one of the sides of 122 may extend outward from the middle of the height.
  • the wings may be provided in pairs at the side of the guide portion 122 as shown in FIGS. 9 to 16.
  • the pair of wings 122a and 122b are spaced apart from each other along the Z-axis direction on the side surface of the guide 122 and the pair of wings 122a and 122b and the guide.
  • An accommodation space S7 defined by the side of the portion 122 may be formed.
  • the pair of wings 122a and 122b may be formed at an upper side and a lower side of the guide portion 122, respectively.
  • the third coil 113 wound along the side surfaces of the magnetic cores 320 and 420 is accommodated in the accommodation space S7 to minimize the portion of the third coil 113 exposed to the outside from the external environment.
  • the third coil 113 may be protected.
  • all three surfaces except for one surface of the third coil 113 may be surrounded by a magnetic material, thereby further improving electrical characteristics of the third coil 113.
  • the terminal 130 is for electrical connection with the outside, and is provided to match each of the coils 111, 112, and 113 wound on the magnetic core 120 so that both end sides of the coils 111, 112, and 113 are connected one-to-one. (Not shown), the power supplied from the outside can be supplied to the coil side.
  • the terminal 130 may be formed on the bottom surface of the magnetic cores 120, 220, 320, and 420, and may be formed on the bottom surface of the guide portion 122 among the bottoms of the magnetic cores 120, 220, 320, and 420.
  • the 122 includes the wing portion 122a
  • the bottom surface of the guide portion 122 and the bottom surface of the wing portion 122a may be simultaneously included.
  • the terminal 130 may be formed to surround the side surface of the wing portion 122a together with the bottom surface of the guide portion 122 and the bottom surface of the wing portion 122a.
  • the terminal 130 is the bottom surface of the guide portion 122 as described above and Since it is formed to include the bottom surface of the wing portion 122a, the formation area and the length of the terminal 130 may be increased to simultaneously improve stability and coupling force of the electrical connection with the circuit board.
  • the plurality of terminals 130 may be formed on the bottom surface of each guide portion 122, or may be selectively formed only on a part of the plurality of guide portions 122.
  • the total number of terminals 130 formed on the bottom surfaces of the plurality of guide parts 122 is found to be sufficient if the two ends of the three coils 111, 112, and 113 that are orthogonal to each other are individually connected to each other. .
  • the terminal 130 may be electrically connected to the circuit board 12 through the SMD method.
  • the terminal 130 may be formed directly on the surface of the magnetic core (120,220,320,420) by a conductive material or a method of plating or thermal spraying, and a metal member such as Cu, Ag or the like may be formed on the surface of the magnetic core (120,220,320,420). It may be provided in a form to be attached.
  • the three-axis antenna module (100, 200, 300, 400) is the terminal 130 for the electrical connection to the outside is directly formed on one surface of the magnetic core (120, 220, 320, 420) to energize the plurality of coils (111, 112, 113) and the circuit board Since a separate structure is not required, the overall configuration is simple, and the thicknesses of the coils, in particular, the first coil 111 and the second coil 112, are accommodated through the accommodation spaces S1, S2, S3, S4, S5, S6, and S7. The thickness can be reduced by accommodating the thickness of the coil corresponding to the thickness of the coil accommodated in the accommodation space (S1, S2, S3, S4, S5, S6).
  • the terminal 130 is directly formed on one surface of the magnetic core 120, the manufacturing process is simple, and the production cost can be reduced.
  • any one of the plurality of guide portion 122 may be formed with at least one mark portion (not shown) for displaying a reference position.
  • the reference position may be a position where any one terminal directly connected to the first coil 111 is formed.
  • the mark portion (not shown) may be provided in the form of a receiving groove having a predetermined depth on the upper surface of the guide portion 122, the terminal 130 is formed directly connected to the first coil 111.
  • the mark unit is not limited thereto, and any mark can be used as long as it can be easily identified by the operator, such as a leader line, a color, and a figure.
  • the above-described three-axis antenna module 100, 200, 300, 400 may be mounted on one surface of the circuit board 12 by the SMD method. Accordingly, since the circuit board and the plurality of coils 111, 112, and 113 are energized through the terminal 130, power supplied from the outside may be supplied to the respective coils 111, 112, and 113 through the circuit board.
  • a connection terminal (not shown) corresponding to the plurality of terminals 130 may be formed on one surface of the circuit board.
  • the three-axis antenna module (100, 200, 300, 400) may include a separate protective member (not shown) for preventing the plurality of coils (111, 112, 113) to be exposed to the outside on at least one surface.
  • the protective member may be provided in the form of a protective film having flexibility, may be made of a material having rigidity, or may be a molded body using an insulating resin.
  • the protection member may be provided to cover only one surface, for example, only the upper surface of the three-axis antenna module (100,200,300,400), that is, other than the terminal 130 formed on the lower surface of the guide portion 122, namely It may be provided in a form covering both the upper surface and the side.
  • the three-axis antenna module 100, 200, 300, 400 according to the present invention described above may be applied to a keyless entry system including a low frequency transmitter and a low frequency receiver.
  • the three-axis antenna module (100, 200, 300, 400) may be installed in a key fob (KEY FOB) embedded in the smart key 10 that the user carries, as shown in FIG.
  • KEY FOB key fob
  • the key fob may include a low frequency (LF) receiver, a 3D active immobilizer, and a microcontroller including the above-described triaxial antenna modules 100, 200, 300, and 400.
  • LF low frequency
  • 3D active immobilizer 3D active immobilizer
  • microcontroller including the above-described triaxial antenna modules 100, 200, 300, and 400.
  • wireless communication using a predetermined frequency band is performed between the key fob mounted on the smart key 10 and the control unit mounted on the vehicle to wirelessly perform at least one of the door or steering of the vehicle. Locking or unlocking can be controlled.
  • the above-described three-axis antenna module (100,200,300,400) is a keyless start that allows the driver to operate the vehicle by starting, operating and stopping the engine in the electronic authentication state without the insertion or manipulation of a separate mechanical key Note that it can also be applied to systems.
  • the above-described three-axis antenna module 100, 200, 300, 400 may be implemented as a low frequency transmitter constituting a keyless entry system.
  • the above-described three-axis antenna module (100, 200, 300, 400) may be built in a portable terminal such as a smart phone as shown in Figure 18 may be driven in the form of interworking with the app, or may be embedded in a wearable device such as a smart watch It should be noted that the present invention can be applied to all of the known electronic devices that are accompanied by wireless communication such as VR devices and AR devices.

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Abstract

L'invention concerne un module d'antenne à trois axes et un système d'entrée sans clé comprenant celui-ci. Le module d'antenne à trois axes, selon un exemple de mode de réalisation de la présente invention, comporte trois bobines disposées de manière enroulée respectivement autour d'un axe X, d'un axe Y et d'un axe Z qui sont mutuellement orthogonaux, et comprend : un noyau magnétique qui est constitué d'un matériau magnétique, comporte au moins un espace de réception formé sur celui-ci pour recevoir les épaisseurs de la première bobine enroulée autour de l'axe X et de la deuxième bobine est enroulée autour de l'axe Y, et supporte la troisième bobine enroulée autour de l'axe Z le long de la direction circonférentielle; et de multiples bornes qui sont formées sur au moins une surface du noyau magnétique afin de permettre une connexion électrique avec l'extérieur.
PCT/KR2017/004263 2016-04-21 2017-04-21 Module d'antenne à trois axes et système d'entrée sans clé comprenant celui-ci Ceased WO2017183934A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20160048970 2016-04-21
KR10-2016-0048970 2016-04-21
KR10-2016-0123461 2016-09-26
KR1020160123461A KR20170120479A (ko) 2016-04-21 2016-09-26 저주파 안테나 모듈 및 이를 포함하는 키리스 엔트리 시스템
KR10-2017-0019474 2017-02-13
KR1020170019474A KR20170120492A (ko) 2016-04-21 2017-02-13 3축 안테나 모듈 및 이를 포함하는 키리스 엔트리 시스템

Publications (1)

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WO2017183934A1 true WO2017183934A1 (fr) 2017-10-26

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PCT/KR2017/004263 Ceased WO2017183934A1 (fr) 2016-04-21 2017-04-21 Module d'antenne à trois axes et système d'entrée sans clé comprenant celui-ci

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WO (1) WO2017183934A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3525286A1 (fr) * 2018-02-09 2019-08-14 SUMIDA Components & Modules GmbH Antenne tige de ferrite et unité émettrice et réceptrice pourvue d'antenne tige de ferrite correspondante

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060152427A1 (en) * 2002-03-05 2006-07-13 Hozumi Ueda Antenna coil
KR20060121991A (ko) * 2004-03-12 2006-11-29 스미다 코포레이션 3축 안테나, 안테나 유닛 및 수신장치
JP2013165368A (ja) * 2012-02-10 2013-08-22 Toko Inc 複合アンテナ
EP2911244A1 (fr) * 2014-02-25 2015-08-26 Premo, S.L. Antenne et procédé de fabrication d'antenne
JP2015220512A (ja) * 2014-05-15 2015-12-07 日立金属株式会社 ３軸アンテナ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060152427A1 (en) * 2002-03-05 2006-07-13 Hozumi Ueda Antenna coil
KR20060121991A (ko) * 2004-03-12 2006-11-29 스미다 코포레이션 3축 안테나, 안테나 유닛 및 수신장치
JP2013165368A (ja) * 2012-02-10 2013-08-22 Toko Inc 複合アンテナ
EP2911244A1 (fr) * 2014-02-25 2015-08-26 Premo, S.L. Antenne et procédé de fabrication d'antenne
JP2015220512A (ja) * 2014-05-15 2015-12-07 日立金属株式会社 ３軸アンテナ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3525286A1 (fr) * 2018-02-09 2019-08-14 SUMIDA Components & Modules GmbH Antenne tige de ferrite et unité émettrice et réceptrice pourvue d'antenne tige de ferrite correspondante

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